Redline Communications SC1000E RedMax 4C Remote Radio Headend User Manual 70 00100 01 00 DRAFT

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WiMAX FMC
(Fixed Mobile Convergence)
Base Station
User Manual
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Copyright Information
All rights reserved January 7, 2009. The information in this document is proprietary to
Redline Communications Inc. This document may not in whole or in part be copied,
reproduced, or reduced to any medium without prior consent, in writing, from Redline
Communications Incorporated.
Contact Information:
Redline Communications Inc.
302 Town Centre Blvd. Suite 100
Markham, ON
Canada L3R 0E8
Web site:
http://www.redlinecommunications.com
Sales Inquiries:
North American
nainfo@redlinecommunications.com
Toll-free sales
1-866-633-6669
International
intlinfo@redlinecommunications.com
Support:
www.redlinecommunications.com/support/support_portal.html
Document Control:
70-00100-01-00-4C_BaseStation_UserManual-20080709a_rrh removed.docx
Disclaimer
The statements, configurations, technical data, and recommendations in this document
are believed to be accurate and reliable, but are presented without express or implied
warranty. Additionally, Redline makes no representations or warranties, either expressed
or implied, regarding the contents of this product. Redline Communications shall not be
liable for any misuse regarding this product. The information in this document is subject
to change without notice.
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TABLE OF CONTENTS
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
1.10
Safety & Service Notices ........................................................................ 7
Safety Recommendations ......................................................................... 7
Important Warning Symbols ...................................................................... 7
IC RF Exposure Warnings ......................................................................... 7
Safety Advisories ....................................................................................... 8
Frequency Selection .................................................................................. 8
Deployment in the USA -- FCC Notices .................................................... 9
Electrical Safety ......................................................................................... 9
Handling Static Sensitive Devices ........................................................... 10
Security Features .................................................................................... 10
WEEE Product Return Process ............................................................... 11
Overview................................................................................................. 12
Services .............................................................................................. 12
Equipment .......................................................................................... 12
Network .............................................................................................. 12
2.1
Feature Summary .................................................................................... 13
2.2
WiMAX Forum Defined Architecture ........................................................ 13
2.3
Feature Details ........................................................................................ 14
2.3.1 IEEE 802.16e / WiMAX Compliance ....................................................... 14
2.3.2 High Availability Features ........................................................................ 14
2.3.3 PHY Specification ................................................................................... 14
2.3.4 OFDMA ................................................................................................... 14
2.3.5 Privacy .................................................................................................... 14
2.3.6 Time Division Duplexing (TDD) ............................................................... 14
2.3.7 CTC (Convolutional Turbo Codes) and Coding Rates ............................ 15
2.3.8 Modulation ............................................................................................... 15
2.3.9 Channelization ........................................................................................ 15
2.3.10 Service Flows .......................................................................................... 15
Physical Description ............................................................................. 17
3.1
Block Diagram ......................................................................................... 17
3.2
Base Station Chassis .............................................................................. 18
3.3
PWM - Power Module (Chassis) ............................................................. 19
3.3.1 Module Description ................................................................................. 19
3.3.2 Front Panel Interface ............................................................................... 20
3.3.3 LED Indicators ......................................................................................... 20
3.4
TCM - Transport, Clock & Control Module .............................................. 22
3.4.1 Module Description ................................................................................. 22
3.4.2 Module Description ................................................................................. 22
3.4.3 LED Indicators ......................................................................................... 23
3.5
BBM - Baseband Module......................................................................... 24
3.5.1 Module Description ................................................................................. 24
3.5.2 Front Panel Interface ............................................................................... 24
3.5.3 LED Indicators ......................................................................................... 25
3.6
RRH - Remote Radio Headend ............................................................... 26
3.6.1 Module Description ................................................................................. 26
3.6.2 A2500 Radio Interface ............................................................................ 27
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3.7
3.7.1
3.7.2
3.7.3
3.8
3.8.1
3.8.2
3.8.3
3.8.4
3.8.5
3.8.6
3.9
3.9.1
3.9.2
3.9.3
3.10
4.1.1
4.1.2
4.1.3
4.1.4
5.1
5.2
5.2.1
5.2.2
6.1
6.2
6.3
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
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CM - Cooling Module ............................................................................... 28
Module Description ................................................................................. 28
Front Panel Interface ............................................................................... 28
LED Indicators ......................................................................................... 28
PSU - Power Unit (PSU) .......................................................................... 30
Module Description ................................................................................. 30
Mounting Shelf.................................................................................... 30
Rectifier Modules ................................................................................ 30
Monitoring and Control Module .......................................................... 31
PSU Module Wiring ................................................................................. 31
Front Panel Interface ............................................................................... 31
Rear Panel Interface ............................................................................... 32
LED Indicators ......................................................................................... 32
Hot-Swap states LED Indicators ............................................................. 32
Grounding and Surge Protection ............................................................. 33
Base Station Chassis and Modules ........................................................ 33
Outside Radio Module and Cabling ........................................................ 33
Installation Environment .......................................................................... 33
Antenna Systems .................................................................................... 33
CLI Interface ........................................................................................... 34
Physical Connections .............................................................................. 34
User Names and Passwords ................................................................... 35
Telnet Connection ................................................................................... 35
SSH Connection ...................................................................................... 35
Operational Notes.................................................................................. 36
Synchronization ....................................................................................... 36
Examples of 3-Sector Configurations ...................................................... 36
No Redundancy ...................................................................................... 37
Basic Redundancy .................................................................................. 38
Troubleshooting .................................................................................... 39
Factory Default Settings .......................................................................... 39
Recovering a Lost IP Address ................................................................. 40
System Log Messages ............................................................................ 41
Appendices ............................................................................................ 42
System Technical Specifications ............................................................. 42
Data Cable Specifications (Optical and Copper) ..................................... 45
PSU - Power Supply Unit ........................................................................ 46
System Throughput ................................................................................. 48
Power Requirements ............................................................................... 49
Heat dissipation (Shelf) ........................................................................... 49
Heat dissipation (Remote Radio Head) ................................................... 49
RF Sensitivity........................................................................................... 50
Single Omnidirectional Node Station ....................................................... 50
Spectral Efficiency ................................................................................... 50
GPS Synchronization .............................................................................. 51
Model 1 (Standard) – External GPS Unit ............................................ 51
Model 2 – Embedded GPS Daughterboard) ....................................... 53
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7.12
Base Station Part Numbers ..................................................................... 55
Abbreviations......................................................................................... 57
LIST OF TABLES
Table 1: Overview - Base Station Service Class Types ...................................... 15
Table 2: Phy - Chassis: Weight and Dimensions ................................................ 18
Table 3: Phy - PWM: Power Module Types ........................................................ 19
Table 4: Phy - PWM: Front Panel Interface......................................................... 20
Table 5: Phy - PWM: Power Input Pinout (A & B) ............................................... 20
Table 6: Phy - PWM: Power Module LED Indicators........................................... 20
Table 7: Phy - TCM: Controller Module Types .................................................... 22
Table 8: Phy - TCM: Front Panel Interface.......................................................... 22
Table 9: Phy - TCM: LED Indicators.................................................................... 23
Table 10: Phy - BBM: Module Types................................................................... 24
Table 11: Phy - BBM: Front Panel Interface........................................................ 24
Table 12: Phy - BBM: LED Indicators.................................................................. 25
Table 13: Phy - RRH: Module Types................................................................... 26
Table 14: Phy - RRH: Front Panel Interface........................................................ 27
Table 15: Phy - CM: Front Panel Interface .......................................................... 28
Table 16: Phy - CM: Cooling Module LED Indicators .......................................... 28
Table 17: Phy - PSU: Front Panel Interface ........................................................ 31
Table 18: Phy - PSU: Rear Panel Interface......................................................... 32
Table 19: Phy - PSU: Mini Pack Power Module LEDs ........................................ 32
Table 20: BS Maint. L Hot-Swap States and LED Indications ............................. 32
Table 21: Phy - Base Station Default IP Addresses ............................................ 34
Table 22: Phy - Base Station Default Usernames and Passwords ..................... 35
Table 23: 3-Sector with No Redundancy ............................................................. 37
Table 24: 3-Sector with Basic Redundancy + Standby BBM .............................. 38
Table 25: Troubleshooting - Factory Default Settings ......................................... 39
Table 26: Troubleshooting - Event Log Messages .............................................. 41
Table 27: Spec.: Base Station ............................................................................. 42
Table 28: Spec.: Transport, Clock & Control Module (TCM) ............................... 44
Table 29: Spec.: Baseband Module (BBM) ......................................................... 44
Table 30: Spec.: SFP Module – Copper.............................................................. 44
Table 31: Spec.: SFP Module – Fiber ................................................................. 45
Table 32: Spec.: Power Module .......................................................................... 45
Table 33: Spec.: Cooling Module (CM) ............................................................... 45
Table 34: Phy - BBM: Data Cable Specifications ................................................ 45
Table 35: Spec.: PSU Power Shelf Specifications .............................................. 46
Table 36: Spec.: PSU Power Module Specifications........................................... 46
Table 37: Spec.: RedMAX 4C Physical Layer Throughput to CPEs (Mbps) ....... 48
Table 38: Spec.: RedMAX 4C Power Dissipation (Watts) ................................... 49
Table 39: Spec.: Heat Dissipation for SC-1000 Shelf (IDU) in BTU/Hour ........... 49
Table 40: Spec.: Heat Dissipation for RRH (ODU) in BTU/Hour ......................... 49
Table 41: Spec.: RedMAX Receive Sensitivity (dBm) ......................................... 50
Table 42: Spec.: Op - Total TDD Ethernet Throughput per Sector ..................... 50
Table 43: Spec.: RedMAX 4C Spectral Efficiency (5 MHz / 10 MHz) ................. 50
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Table 44: Spec.: External GPS Unit Specifications ............................................. 52
Table 45: Spec.: Internal GPS Unit Specifications .............................................. 53
LIST OF FIGURES
Figure 1 Overview - Base Station Network Architecture ..................................... 13
Figure 2: Overview - Base Station Simple Block Diagram .................................. 17
Figure 3: Phy - MicroTCA Chassis ...................................................................... 18
Figure 4: Phy - PWM: Power Module .................................................................. 19
Figure 5: Phy - TCM: MicroTCA Controller Hub Front Panel Interface ............... 22
Figure 6: Phy - BBM: Baseband Module (BBM2000) .......................................... 24
Figure 7: Phy - RRH: A2500 Remote Radio Headend ........................................ 26
Figure 8: Phy - CM: Cooling Module Front Panel................................................ 28
Figure 9: Phy - PSU: Integrated Power Supply Unit ............................................ 30
Figure 10: Phy - PSU: Rectifier Module .............................................................. 30
Figure 11: Phy - PSU: Power Monitor and Control Module ................................. 31
Figure 12: CLI - Management Terminal Connections ......................................... 34
Figure 13: 3-Sector No Redundancy ................................................................... 37
Figure 14: 3-Sector Basic Redundancy ............................................................... 38
Figure 15: Op - Management Terminal Connections .......................................... 40
Figure 16: Spec.: External GPS Clock ................................................................ 51
Figure 17: Spec.: Internal GPS Clock ................................................................. 53
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Chapter
Safety & Service Notices
1.1
Safety Recommendations
Redline strongly recommends that end-users of the equipment observe all warnings and
cautions during operation, installation, and maintenance of the system.
Failure to comply with these warnings and cautions, or with specific warnings and
cautions elsewhere in the manuals, or displayed directly on system equipment, violates
the safety standards incorporated into the design, manufacture, and intended use of the
system equipment.
Redline Communications assumes no liability for the customer’s failure to comply with
these requirements.
1.2
Important Warning Symbols
The following symbols may be encountered during installation or troubleshooting. These
warning symbols mean danger. Bodily injury may result if you are not aware of the safety
hazards involved in working with electrical equipment and radio transmitters. Familiarize
yourself with standard safety practices before continuing.
Electro-Magnetic Radiation
1.3
Important Safety Notice
High Voltage
IC RF Exposure Warnings
: To satisfy IC RF exposure requirements for RF
transmitting devices, where an externally mounted antenna is employed in point-tomultipoint applications, each antenna must be separated from all persons by a distance
of at least 230 centimeters. To ensure compliance, operations at closer than this distance
is not recommended. The antenna used for this transmitter must not be collocated in
conjunction with any other antenna or transmitter.
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1.4
Safety Advisories
1.
Read this manual and follow all operating and safety
instructions.
2. Installation of the antenna and transceiver must be performed by professional trained
installers.
3.
4.
5.
6.
Position power cables to avoid possible damage to the cables.
Disconnect power before cleaning.
Protect the unit by disconnecting the power if it is not used for long periods.
DC power supply connection warning:
DC Power Supply Connections: Warning to Service Personnel
Units are not equipped with power switches and
activate immediately when connected to a
Caution for all models:
power source.
7. Mount the base station shelf securely in a 19-inch rack.
8. The radio transceiver units must not be located near power lines or other electrical
power circuits.
9. The system must be properly grounded to protect against power surges and
accumulated static electricity. It is the user’s responsibility to install this device in
accordance with the local electrical codes: correct installation procedures for
grounding of the transceiver unit, mast, lead-in wire and discharge unit, location of
discharge unit, size of grounding conductors and connection requirements for
grounding electrodes.
10. DC input source must be an isolated secondary DC SELV supply (60V DC max).
11. This equipment must be installed in compliance with relevant articles in National
Electric Code-NEC including chapter 8 (and equiv. Canadian Electrical Code CEC).
12. Keep all product information for future reference.
1.5
Frequency Selection
Operation in the FWA band is subject to license. The radio power and channel frequency
selections must be set correctly before the installed system is allowed to transmit. The
installed system must comply with all governing local, regional, and national regulations.
Contact authorities in the country of installation for complete information regarding the
licensing regime and operating restrictions for that regulatory domain.
Declarations of conformity are available at the following web site address:
http://www.redlinecommunications.com/conformance/
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1.6
Deployment in the USA -- FCC Notices
1. The model SC-1000 base station, radio transceiver, and antenna system must be
professionally installed.
2.
WARNING -- FCC RF Exposure Warning:
To satisfy FCC RF exposure requirements for RF transmitting devices, a minimum
distance of 230 cm should be maintained between any antenna of this device and
persons during device operation. To ensure compliance, operation at closer than this
distance is not recommended.
3. The antenna system must be fixed-mounted on permanent structures and must not
be collocated in combination with the antenna of any other equipment.
4. FCC Information to Users @ FCC 15.21 & 15.105:
This equipment has been tested and found to comply with the limits for a Class A
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses, and can
radiate radio frequency energy, and if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications.
5. FCC Information to Users @ FCC Part 27:
Allowable frequency settings are 2498.5 - 2687.25 MHz (5 MHz channel only).
6. The 2498.5 - 2687.25 MHz frequency range is a licensed band and operators must
have a valid spectrum license to operate the Redline SC-1000 base station
equipment using this band in the USA.
7. This device has been designed to operate with antenna systems having a
recommended gain of 17 dBi. The required antenna impedance is 50 ohms.
The RF output power and selection must be professionally programmed and the
equipment must be installed by the manufacturer or a trained professional installer.
8. Warning: Changes or modifications of equipment not expressly approved by Redline
Communications could void the user’s authority to operate the equipment.
1.7
Electrical Safety
1. To minimize shock hazard, the equipment chassis and enclosure must be connected
to an electrical ground. All power outlets and plugs must meet International
Electrotechnical Commission (IEC) safety standards.
2. Do not operate the system equipment in the presence of flammable gases or fumes.
Operation of any electrical equipment in such an environment constitutes a definite
safety hazard.
3. Only qualified maintenance personnel may remove equipment covers to replace
internal subassemblies, components, or perform internal adjustments.
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4. Disconnect power and discharge circuits before touching them. Do not replace
components with power cable connected -- dangerous voltages may exist even when
the power cable fusing has been removed.
5. Do not attempt internal service or adjustment, without backup personnel available,
capable of rendering first aid and resuscitation.
1.8
Handling Static Sensitive Devices
Electrostatic Discharge (ESD) must be avoided to prevent damaging or destroy static
sensitive components. Please observe proper ESD handling procedures.
Metal oxide semiconductor (MOS) devices may be susceptible to damage from
electrostatic charge. Charges can be created by the use of nylon overalls, friction, and
by pushing hands into some types of insulation packing material, or ungrounded
soldering irons.
Observe the following precautions when handling electronic components:
- Always wear a ground strap connected to the electrostatic point on the equipment.
- Cotton clothing produces less static than nylon and other synthetic materials.
- Use a grounded metal surface or anti-static mat. Wipe clean with an anti-static cloth.
- Use all-metal tools and place on grounded surface when not being used.
- Use caution when removing components connected to electrostatic sensitive devices.
The components may provide protection from static shock.
- Do not remove the replacement device from its protective packaging until actual
installation of the device. It may be necessary to replace foam with wire, due to space
constraints.
- Printed circuit boards (PCBs) should always be handled with care. Handle only by the
edges and do not directly touch connectors, tracks, or pins.
1.9
Security Features
Redline Communications wireless systems provide security setting that can be adjusted
by the operator to meet specific applications. Redline recommends these parameters be
set according to industry recognized security practices. Considerations include
confidentiality, integrity, and availability of information. Implementation of these
recommendations and the final responsibility for the system security is the responsibility
of the system administrator and operators.
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1.10
WEEE Product Return Process
In EU countries, dispose of equipment in accordance with the WEEE (Waste from
Electrical and Electronic Equipment) directive, 2002/96/EC, Redline Communications
equipment is marked with the logo shown below. The WEEE directive seeks to increase
recycling and re-use of electrical and electronic equipment. This symbol indicates that
this product should not be disposed of as part of the local municipal waste program.
Contact your local sales representative for additional information.
In non-EU countries, dispose of equipment in accordance with national and regional
regulations.
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Chapter
Overview
Congratulations on your purchase of the Redline Communications RedMAX 4C wireless
broadband base station. Redline Communications is a world leader in design and
production of Broadband Wireless (BFW) systems. The RedMAX 4C base station is a
complete Mobile WiMAX (IEEE 802.16e-2005) compliant broadband wireless base
station. Fully designed as a WiMAX-based solution, the base station has demonstrated
interoperability with an emerging base of WiMAX subscriber equipment.
Services
The base station is (part of) the IEEE 802.16e-2005 definition of a base station. A base
station functions as a central hub or concentrator, connected to a WAN network access
point, and managing wireless links for remote subscribers. The base station enforces the
Quality of Service (QoS) settings over the air interface by controlling all uplink and
downlink traffic scheduling -- providing non-contention based traffic with predictable
transmission characteristics.
The base station delivers fixed, nomadic, portable, and mobile services. Portable
services provide limited handover for users moving within and across neighboring
sectors and base stations. Mobile services provide full roaming capability to maintain all
QoS (quality of service) and SLAs (service level agreements) while moving at vehicular
speeds through WiMAX coverage areas.
Equipment
The base station consists of an indoor chassis and outdoor transceiver and antenna.
Each operational wireless broadband network segment is comprised of a base station
and one or more WiMAX Forum Certified™ subscribers. Each subscriber registers and
establishes a bi-directional data link with the base station.
The base station operates under the control of an ASN gateway providing supporting
management functions including: Accounting, Inter-Base Station Mobility, Base Station
Management, Admission Control, and Access Authentication.
Network
High reliability is provided through comprehensive OAM&P (Operation, Administration,
Maintenance and Provisioning) features including: fault tolerance, alarms and TCAs
(Threshold Crossing Alerts), performance and inventory reports, and software
management. Chassis management can be performed (via the SOAP/XML interfaces)
using the Redline Management Suite (RMS) or a third party Element Management
System (EMS). The RMS uses the TMF 814 NBI (Northbound Interface) to the OSS
(Operations Support System) and SNMP MIBs.
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2.1
Feature Summary
Mobile WiMAX base station
- Compliant with IEEE 802.16e-2005
- Compliant with Certification Wave II Profile
Modular components
- PICMG standard MicroTCA AMC form factor
- Multiple chassis sizes and configurations
OBSAI architecture (Open Base Station Architecture Initiative)
- Contains the main components of the OBSAI architecture
- Implements standard OBSAI interface specifications
Scalable
- Deployment in one to six sector configuration
High-availability
- Complies with the Service Availability Forum requirements
2.2
WiMAX Forum Defined Architecture
The ASN Controller performance monitoring features allow the ISP/NSP to analyze,
troubleshoot, and plan network upgrades. The ASN Controller monitors radio and IP
network performance to collect key performance indicators including RSSI, CINR, HO
activity, QoS requirements and fulfillment, IP bandwidth usage, and then forwards
performance data to an EMS/NMS. The ASN Controller also supports TCA (Threshold
Crossing Alerts) which enable the network administrator to react to network performance
problems in real-time.
Figure 1 Overview - Base Station Network Architecture
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2.3
2.3.1
Feature Details
IEEE 802.16e / WiMAX Compliance
The RedMAX 4C base station supports the following Certification Wave II Mobile WiMAX
System Profile:
- WiMAX Certification Wave 2: Profile 3A: 2.5-2.7 GHz, 5/10 MHz, TDD
2.3.2
High Availability Features
The modular design of the base station chassis provides the following High Availability
(HA) features:
- Hot-swap capability for field replaceable modules
- Parallel paths with no single point of failure
- In-service software upgrade
- Fault Management: monitoring, detection, and reporting
- Checkpoint service
2.3.3
PHY Specification
The base station is designed for 2-11 GHz operation based on the WirelessMANOFDMA PHY definition in the IEEE 802.16e-2005 specifications. Refer to the system
specifications for supported frequency ranges.
2.3.4
OFDMA
Orthogonal Frequency Division Multiple Access (OFDMA) is a multi-user version of the
OFDM digital modulation scheme. Multiple access is achieved in OFDMA by assigning
subsets of subcarriers to individual users - allowing simultaneous transmission from
several users.
OFDMA uses the Fast Fourier Transform (FFT) algorithm to implement modulation and
demodulation functions. Using adequate channel coding and bit-interleaving, OFDMA
can perform very well in severe multipath environments, mitigate frequency selective
fading and provide high spectral efficiency.
2.3.5
Privacy
The base station implements IEEE 802.16e-2005 Privacy Sublayer and the NWG
Standalone Model Security Architecture. The base station provides an Authentication
Relay function to manage exchanges with an Authenticator in the ASN (Authentication
Relay Protocol-EAP), and a Supplicant function in the CPE (PKMv2-EAP). This
standards-based framework provides user/device authentication and services
authorization using off-the-shelf AAA servers.
2.3.6
Time Division Duplexing (TDD)
The base station system uses time division duplexing (TDD) to transmit and receive on
the same RF channel, or separate RF channels using HD-FDD (half-duplex FDD).
These are both non-contention based methods for providing an efficient and predictable
two-way PTP or PMP cell deployment. All uplink and downlink transmission scheduling
is managed by the base station. The base station sends data traffic to subscribers, polls
for grant requests, and sends grant acknowledgements based on the total of all traffic to
all subscribers.
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CTC (Convolutional Turbo Codes) and Coding Rates
Turbo codes are used for error correction. When used in combination with parity-check
codes, these techniques can approach the theoretical limit (Shannon limit) of maximum
information transfer rate over a noisy channel.
As part of the error correction technique, each burst of data transmitted over the wireless
interface is padded with redundant information, making it more resistant to potential
over-the-air errors. The coding rate is the ratio of user data to the total data transmitted
including the redundant error correction data. The base station supports coding rates of
1/2, 2/3, 3/4, and 5/6.
2.3.8
Modulation
The modulation technique specifies how the data is coded within the OFDMA carriers.
The base station supports BPSK, QPSK, 16 QAM (Quadrature Amplitude Modulation),
and 64 QAM modulation.
2.3.9
Channelization
The base station is a frequency-specific system, with the frequency band defined by the
transceiver unit. The base station divides the available frequency band into channels.
Allocation of channels during deployment is dependent on spectrum availability in the
licensed FWA band and local licensing requirements and conditions. Channel selection
allows planners to obtain the maximum geographic coverage, while avoiding frequency
contention in adjacent sectors.
2.3.10 Service Flows
A Service Flow represents a unidirectional data flow with separate QoS settings for
uplink and downlink. Service flows provide the ability to set up multiple connections to
each subscriber in a sector. Separate service flows can be established for uplink and
downlink traffic, where each service flow is assigned a unique service level category and
separate QoS settings. This feature allows segregation of high-speed/high-priority traffic
from less time-critical flows.
Table 1: Overview - Base Station Service Class Types
Service Class
UGS
Unsolicited Grant Service
RT-VR
Real Time –Variable Rate
Service
ERT-VR
NRT-VR
BE
Extended Real Time –
Variable Rate Service
Non-Real Time – Variable
Rate Service
Best Effort
Description
Provides the most stringent scheduling, maintaining
guarantees on throughput, latency, and jitter to the
levels necessary for Time Division Multiplexed (TDM)
services.
Provides guarantees on throughput and latency, but
greater tolerance on latency. Applicable for VoIP and
video conferencing applications.
Provides services as RT-VR, except that committed
maximum rate can be changed on the fly as requested
by subscriber signaling.
Guarantees throughput only. Applicable to mission critical
data applications that are not latency-dependent.
No guaranteed minimum throughput. Does allow setting a
maximum data rate.
QoS is guaranteed by a unique prioritization and rate-limiting algorithm that dynamically
adapts to wireless conditions, adjusting data throughput to maintain prioritization of
traffic. Up to five classes of service to be assigned to each subscriber.
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Payloads can be classified by multiple parameters including L2 MAC source and
destination address, 802.1p/Q settings, DSCP and TOS bits, L3 IP source and
destination address, and L4 TCP/UDP port number. Ingress classification for payload
admission into the Service Flow architecture is performed at the subscriber/MS for uplink
forwarding, and at the ASN-GW for downlink forwarding.
Requests for specific QoS settings can originate from the subscriber, a host connected
to the subscriber, or a source outside the WiMAX network (e.g., an intermediate server).
Unique QoS settings can be applied for individual users.
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Chapter
Physical Description
3.1
Block Diagram
The base station design uses modular building blocks based on Open Base Station
Architecture Initiative (OBSAI). This standard defines the main base station modules.
Figure 2: Overview - Base Station Simple Block Diagram
The main base station components are:
TCM:
Transport, clock & control module provides traffic aggregation, control and
clock functions.
BBM:
Baseband module is the WiMAX wireless modem.
RRH:
Radio module is a MIMO-ready dual-head radio/antenna system.
PWM:
Chassis power supply module controls power for the base station modules
and the cooling module.
CM:
Cooling module contains fans providing all forced-air cooling for the base
station chassis.
PSU:
PSU provides conditioned power for the base station chassis and/or the
outdoor RRH.
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3.2
Base Station Chassis
The base station chassis is a carrier grade PICMG compliant MicroTCA telecom
platform. The front-loading shelf supports redundant power modules and up to 14
PICMG AMC (Advanced Mezzanine Card) modules. All cards may be inserted in any
slot with the exception of the power and MicroTCA Carrier Hub modules.
Figure 3: Phy - MicroTCA Chassis
Table 2: Phy - Chassis: Weight and Dimensions
Description
Excluding Cable Tray
Including Cable Tray
Height
266.7 mm / 10.5 in
266.7 mm / 10.5 in
Width
482.6 mm / 10.5 in
482.6 mm / 19 in
Depth
237.0 mm / 9.33 in
277.0 mm / 10.35 in
Empty Chassis - (incl. fans)
12.5 Kg / 27.5 lb
12.5 Kg / 27.5 lb
Full Chassis
19 Kg / 42 lb
19 Kg / 42 lb
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3.3
PWM - Power Module (Chassis)
The PWM power module provides regulated DC power for all modules in the base
station chassis.
3.3.1
Module Description
The PWM features redundant inputs, allowing power to be supplied from two
independent DC sources. A second PWM module may be installed to provide
redundancy. When two PWM modules are installed and operating normally, the failure of
one PWM module will not affect operation of the base station.
The PWM module is fully 'hot swappable' and the standby unit may be removed and
installed without affecting operation of the base station (refer to 'Using the Hot-Swap
Feature' in the installation guidelines).
The TCM manages the power for each uTCA module. The uTCA Power Module
incorporates a MicroTCA EMMC (Enhanced Module Management Controller) that can
operate independently or be controlled by the TCM module. The EMMC reports voltage
and current levels, faulty power conditions, and local temperature status to the TCM.
Table 3: Phy - PWM: Power Module Types
Model
PWM 380
PWM 760
Description
-48 VDC power supply. Maximum power output is 380 Watts.
-48 VDC power supply. Maximum power output is 760 Watts.
Figure 4: Phy - PWM: Power Module
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Front Panel Interface
The following ports and controls are provided:
Table 4: Phy - PWM: Front Panel Interface
Label
Type
[Handle]
SPST
Diagnostic
Power I/P
A/B
USB
D-Sub
7W2
Description
Hot-Swap request handle
Completely inserted – the module is mechanically locked and is
requesting activation
Extracted half way – the module is mechanically locked and is
requesting deactivation
Completely extracted – the module is mechanically unlocked and
can be removed when the blue led is solid on
The port is used only for factory diagnostics.
Dual input MicroTCA standard module accepts -48 VDC (nominal
battery range) from two independent sources.
Table 5: Phy - PWM: Power Input Pinout (A & B)
Pin
A2
A1
3.3.3
Description
- Ve
Connected to pin 2
Connected to pin 1
Not Used
Not Used
Not Used
+ Ve
LED Indicators
The PWM module has the following front panel LED indicators:
Table 6: Phy - PWM: Power Module LED Indicators
LED
Color
OOS
Red
RDY
Green
HSMA
Amber
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Description
Out of Service Indicator
Solid On - one or more input or output voltages are below normal
level or the module temperature is exceeding critical threshold
Solid Off – the module is functional.
Power Supply Ready Indicator
Solid On – the module is operational and selected as active (for
redundant configurations)
Long Blink – the module is operational and designated as
standby for redundancy
Fast Blink – the module is operational only for TCM and CM
power channels
Solid Off – the module is not operational
Hardware System Management Activity (HSMA)
Blink - indicates that the PWM is communicating with the TCM
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Table 6: Phy - PWM: Power Module LED Indicators
LED
Color
HS
Blue
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Description
Hot-Swap Ready Indicator
Solid ON – the module is deactivated and can safely be extracted
Long Blink – module activation in progress
Short Blink – module deactivation in progress
Solid Off – the module is activated and unsafe for extraction
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3.4
TCM - Transport, Clock & Control Module
The Transport, Clock & Control Module (TCM) is a multi-purpose card combining the
OBSAI Transport Block and Control & Clock Block functions.
3.4.1
Module Description
The transport function manages traffic aggregation and the control and clock functions
provide synchronization between the base station modules. Downstream data traffic
received from the core network is distributed to the baseband modules for transmission
over the wireless network, while upstream traffic from the wireless system is aggregated
and sent over the backhaul connection to the core network.
The base station clock is synchronized by a GPS reference signal. Clock signals are
sent through the backplane to the other base station modules.
The shelf may contain up to two TCM modules for redundancy. The TCM module is fully
'hot swappable' and the standby unit may be removed and installed without affecting
operation of the base station (refer to 'Using the Hot-Swap Feature' in the installation
guidelines).
The following TCM models are available:
Table 7: Phy - TCM: Controller Module Types
TCM 1000
The TCM 1000 is the first generation base station controller module.
Figure 5: Phy - TCM: MicroTCA Controller Hub Front Panel Interface
3.4.2
Module Description
The following ports and controls are provided:
Table 8: Phy - TCM: Front Panel Interface
Label
Type
[Handle]
SPST
Antenna
Push-toMake
SMA
PPS
SMA
I2C Bus
USB
DB-9
Micro
Reset
Serial 1
Doc #70-00100-01-00-DRAFT
Description
Hot-Swap request handle
Inserted completely – the module is mechanically locked and is
requesting activation
Extracted half way – the module is mechanically locked and is
requesting deactivation
Extracted completely – the module is mechanically unlocked and
can be removed when the blue led is solid on
Press this switch to reboot the module.
GPS antenna input for Trimble Bullet III or equivalent antenna.
External 1 PPS GPS clock signal (LvTTL pulse). Currently not
supported by the module.
Factory diagnostics only. Do not connect USB devices !
RS-232 port accepts a standard GPS 1 PPS synchronization signal.
DTE pinout - requires cross over cables.
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Table 8: Phy - TCM: Front Panel Interface
Label
Serial 2
Description
RS-232 port for out-of-band management. DCE pinout – requires
direct cables.
Ethernet 1
RJ-45
8P8C
10/100Base-T Ethernet port. This port has an associated MAC
address. Used for out-of-band management, base station
configuration and remote power supply management.
Ethernet 2
RJ-45
8P8C
10/100Base-T Ethernet port. This port has an associated MAC
address. Used for managing a remote PSU power supply.
GbE
3.4.3
Type
DB-9
Micro
SFP
Main transport connection between the base station and the
core/backhaul network. This port has an associated MAC address.
Copper: 100/1000Base-T
Optical: 1000Base-X
LED Indicators
The TCM module has the following front panel LED indicators:
Table 9: Phy - TCM: LED Indicators
LED
Color
Hot Swap
Blue
Fault
Red
Active/
Standby
Green
Amber
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Description
Hot-Swap Ready Indicator
Solid ON – the module is deactivated and can safely be extracted
Long Blink – module activation in progress
Short Blink – module deactivation in progress
Solid Off – the module is activated and unsafe for extraction
Out of Service Indicator
Solid ON – the module is out of service due to a hardware fault
detection or the module temperature is exceeding critical threshold
Long Blink – the module is out of service due to the missing
reference clock or missing synchronization frame from the GPS
Solid Off – the module is functional
TCM Ready Indicator
Green Solid ON – the module is performing startup and is selected
as active (for redundant configurations)
Amber Solid ON – the module is performing startup and is selected
as standby for redundancy
Green Long Blink – the module is operational and is selected as
active (for redundant configurations)
Amber Long Blink – the module is operational and is selected as
standby for redundancy
Solid Off – the module is not receiving power from the PWM
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3.5
BBM - Baseband Module
The baseband module (BBM) is a WiMAX wireless modem (IEEE 802.16e PHY and
MAC).
3.5.1
Module Description
Downstream data traffic received from the core network is distributed to the baseband
modules for transmission over the wireless network, while upstream traffic from the
wireless system is aggregated and sent over the backhaul connection to the core
network. This port has an associated MAC address.
Each BBM connects to one RRH (one sector) and supports two SISO channels or one
MIMO channel. Up to six BBM (plus two standby) modules may operate concurrently.
The BBM is frequency agnostic (frequency band determined by RRH). The base station
shelf supports an N+1 redundancy configuration. The OBSAI RP3-01 interface cabling
must be provided from each standby BBM module to a radio.
The BBM module is fully 'hot swappable' and may be removed and installed without
powering off the chassis. Removing and replacing a BBM module will not affect
operation of the base station.
Table 10: Phy - BBM: Module Types
BBM 1000
BBM 2000
SISO-based baseband module.
MIMO-based baseband module.
Figure 6: Phy - BBM: Baseband Module (BBM2000)
3.5.2
Front Panel Interface
The following ports and controls are provided:
Table 11: Phy - BBM: Front Panel Interface
Label
Type
[Handle]
SPST
A, B, C, D
SFP
Reset
Push-toMake
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Description
Hot-Swap request handle
Inserted completely – the module is mechanically locked and is
requesting activation
Extracted half way – the module is mechanically locked and is
requesting deactivation
Extracted completely – the module is mechanically unlocked and
can be removed when the blue led is solid on
Connection from the base station RRH.
Optical: 1000Base-X, 100/1000Base-T
50/125 UM Fiber Optic, Type OFNR, -40°C to +75°C
Outdoor Rated – 7 mm (0.28 in) OD. X 91 m (300 ft) max. length
Max. allowable cable signal loss: 8 dB
Press this switch to reboot the module.
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Table 11: Phy - BBM: Front Panel Interface
Label
Ethernet
Serial
3.5.3
Type
RJ-45
8P8C
D-Sub-9
Description
10/100Base-T Ethernet port. Used only for factory diagnostics.
RS-232 serial port. Used only for factory diagnostics.
LED Indicators
The module has the following front panel LED indicators:
Table 12: Phy - BBM: LED Indicators
LED
Color
Hot Swap
Blue
Fault
Red
Active/
Standby
Green/
Amber
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Description
Hot-Swap Ready Indicator
Solid ON – the module is deactivated and can safely be extracted
Long Blink – module activation in progress
Short Blink – module deactivation in progress
Solid Off – the module is activated and unsafe for extraction
Out of Service Indicator
Solid ON – the module is out of service due to a hardware fault
detection or the module temperature is exceeding the critical
threshold
Long Blink – the module is out of service due to the missing
reference clock or missing synchronization frame from TCM
Solid Off – the module is functional
BBM Ready Indicator
Green Solid ON – the module is performing startup and is selected
as active (for redundant configurations)
Amber Solid ON – the module is performing startup and is selected
as standby for redundancy
Green Long Blink – the module is operational and selected as
active (for redundant configurations)
Amber Long Blink – the module is operational and selected as
standby for redundancy
Solid Off – the module is not receiving power from PWM
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3.6
RRH - Remote Radio Headend
The Remote Radio Headend (RRH) is the outdoor radio transceiver.
3.6.1
Module Description
The RRH contains an OBSAI RP3-01 interface and two identical TDD RF head-ends
(RFHEs). Each RRH supports two SISO channels or one MIMO channel. Frequency
bands and power are determined by the RRH (the BBM is frequency band agnostic).
The RRH interfaces to one baseband module (BBM) using the OBSAI RP3-01 optical
interface to exchange data and control signals. Power is supplied to each RRH through
separate cabling from dedicated power modules (not base station PWM). The RRH may
be mounted up to 300 m (984 ft) away from the base station chassis. This distance can
be extended based on the fiber type and method of supplying power to the RRH.
Each RRH module has two optical interfaces. These interfaces may be used in one of
the following configurations:
- Connect RRH to a standby BBM module. The optical interface cabling must be
provided from the standby BBM modules to the radios.
- Interconnect two RRH modules (daisy-chain) to provide 1+1 redundancy or 4-branch
MIMO (future option).
Each RRH module contains two RF head-ends. The failure of one radio within the RRH
enclosure results in graceful degradation, but not loss of service.
Table 13: Phy - RRH: Module Types
RRH R2500
2.5 GHz MIMO Radio
Figure 7: Phy - RRH: A2500 Remote Radio Headend
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A2500 Radio Interface
The following ports and controls are provided:
Table 14: Phy - RRH: Front Panel Interface
Label
Type
Antenna RF Port
N-type, female
DC Power
TBD
Fuse
Ground Lug
TBD
TBD
Optical Data &
Mgmt
TBD
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Description
Connection to external antenna. One output port
for each (2) radio.
Power supply input. The RF Module receives - 48
VDC power compliant to ETS300132-2.
External access to replaceable primary fuse.
Connect earth ground to this lug.
Interface to BBM or another radio (daisy chain).
The RRH module uses the OBSAI RP3-01 optical
interface to exchange data and management
signals with the BBM.
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3.7
CM - Cooling Module
The cooling module (CM) provides forced-air cooling for the MicroTCA chassis.
3.7.1
Module Description
The CM is integral with the base station chassis and installs in a special slot below the
MicroTCA modules. The CM contains a processing system that monitors the fan
operation and reports alarm conditions. Detected component failures and predictive
failure status is logged as a system alarm event and annunciated on the front panel
LEDs.
The shelf contains multiple fans for redundancy. The CM module is fully 'hot swappable'
and may be removed and installed without powering off the chassis. Removing and
replacing a CM module will not affect operation of the base station. It is important to note
that the CM is disabled (not cooling) when the blue Hot-Swap LED is on. The base
station chassis may be safely operated for up to 10 minutes with the cooling module
disabled or removed from the chassis.
Figure 8: Phy - CM: Cooling Module Front Panel
3.7.2
Front Panel Interface
The following ports and controls are provided:
Table 15: Phy - CM: Front Panel Interface
Label
Type
Hot-Swap
Request
Pushbutton
Push-toMake
SPST
Ground
Lug
Description
Hot-Swap Request toggle pushbutton
Push and release completely - module is requesting
deactivation/activation
Use this ground plug to connect an anti-static wrist strap when
servicing the base station modules.
Correct grounding procedures are essential to preventing damage to base station
electronic modules.
3.7.3
LED Indicators
The module has the following front panel LED indicators:
Table 16: Phy - CM: Cooling Module LED Indicators
Label
Color
Fan Status
(1 & 3)
Green
Red
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Description
Fan Status Indicator for fans 1 & 3
Green Solid On – the module is operational, the fans are spinning
under TCM control
Green Blinking Red – the module is operational, the fans are spinning
without TCM control
Red Solid On – the module is not operational, the fans are not
spinning
Solid Off – the module is not receiving power from the PWM
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Table 16: Phy - CM: Cooling Module LED Indicators
Label
Color
Fan Status
(2 & 4)
Green
Red
Hot-Swap
Blue
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Description
Fan Status Indicator for fans 2 & 4
Green Solid On – the module is operational, the fans are spinning
under TCM control
Green Blinking Red – the module is operational, the fans are spinning
without TCM control
Red Solid On – the module is not operational, the fans are not
spinning
Solid Off – the module is not receiving power from the PWM
Hot-Swap Ready Indicator
Solid ON – the module is deactivated and can safely be extracted
Long Blink - module activation in progress
Short Blink - module deactivation in progress
Solid Off – the module is activated and unsafe for extraction
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3.8
PSU - Power Unit (PSU)
The PSU provides regulated DC power to the base station power module (PWM) and/or
the outdoor remote radio headend (RRH).
Complete installation, operation, and maintenance information is provided in the original
equipment manufacturers (OEM) documentation supplied with the product. Read all
information in these manuals carefully before installing and operating this equipment.
3.8.1
Module Description
The PSU can be configured to provide one or two channels of regulated 48 VDC power.
The PSU features redundant inputs, allowing power to be supplied from two independent
240 VAC sources. The PSU can also be configured in a redundant output configuration
with an optional second rectifier module installed for each DC output. When two rectifier
modules are installed and operating normally, the failure of one module will not affect the
DC power output for that channel.
Mounting Shelf
The Power Monitoring and Control module and rectifier modules mount in the PSU shelf.
This 2U assembly is suitable for installation in a standard 19 inch TELCO rack.
Figure 9: Phy - PSU: Integrated Power Supply Unit
Rectifier Modules
Each rectifier is powered by one or two 240 VAC supplies, and provides a single 48 VDC
output. Up to four rectifier modules can be installed in redundant pairs. All rectifier
modules are supervised by the Power Monitoring and Control Module.
Figure 10: Phy - PSU: Rectifier Module
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Monitoring and Control Module
All rectifier input and output voltages are supervised locally by the Power Monitor and
Control Module. The base station supervises the PSU remotely using an Ethernet
connection to the module.
Figure 11: Phy - PSU: Power Monitor and Control Module
3.8.2
PSU Module Wiring
All PSU wiring connections are located inside the PSU chassis. The PSU features a
front pull-out shelf providing access to all terminal blocks.
Power input cables should have the following minimum ratings:
16 AWG/2 conductors, copper stranded, shielded, -40 C to 90 C, 8 mm (0.31 in) O.D.
3.8.3
Front Panel Interface
The following ports and controls are provided:
Table 17: Phy - PSU: Front Panel Interface
Label
[none]
USB
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Type
LCD Display
USB
Description
Display system status messages.
The USB port is used only for factory diagnostics.
Push-to-make
Up button to control the LCD display.
Push-to-make
Down button to control the LCD display.
Push-to-make
Enter button to control the LCD display.
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Rear Panel Interface
The following ports and controls are provided:
Table 18: Phy - PSU: Rear Panel Interface
Label
CAN1
CON1
CON2
CON3
CON4
CON5
3.8.5
Type
RJ-45, 8P8C
Mini Power, 10 pin
RJ-45, 8P8C
DB-15P
DB-15P
DB-15S
Description
CAN controller Port 1 and 2.
Alarm I/O connections.
Ethernet connection to base station (TCM module).
Battery connections
Battery connections
System connections
LED Indicators
The PSU module has the following front panel LED indicators:
Table 19: Phy - PSU: Mini Pack Power Module LEDs
Label
3.8.6
Color
Description
Green
Power on
Yellow
Minor Alarm
Red
Major Alarm
Hot-Swap states LED Indicators
The base station chassis supports redundant hot-swappable power modules. To ensure
operation of the base station is not interrupted, the defective power supply can be
replaced while the alternate power supply is installed and powered on.
Table 20: BS Maint. L Hot-Swap States and LED Indications
BLUE LED
N/A
On
Slow Blink
Off
Fast Blink
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Mode
Module Not
Installed
Module Inactive
Module Activation
Requested
Module Active
Module
Deactivation
Requested
Description
The module is not present in the system (extracted
or waiting to be extracted).
Module is powered on and initializing.
Detected handle closed – waiting for activation by
shelf manager.
Module is fully operational
Detected handle opened – waiting for deactivation
by shelf manager.
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3.9
3.9.1
Grounding and Surge Protection
Base Station Chassis and Modules
- A ground lug is provided on the base station chassis (cooling module) for connection
to earth ground.
- Individual base station modules are grounded through the chassis backplane.
3.9.2
Outside Radio Module and Cabling
- A lug is provided on the RRH (Remote Radio Headend) for connection to earth
ground.
3.9.3
Installation Environment
- The base station mounting rack must be properly grounded.
- External AC and/or DC power sources must be properly grounded.
- Power and signal cables running between the indoor and outdoor equipment must be
bonded to ground at recommended intervals.
Important: Grounding connections are provided on all Redline base station and radio
equipment. It is the user’s responsibility to install proper grounding to protect against
power surges and accumulated static electricity. The base station equipment must be
installed in accordance with the local electrical codes: correct installation procedures for
grounding of the transceiver unit, mast, lead-in wire and discharge unit, location of
discharge unit, size of grounding conductors and connection requirements for grounding
electrodes.
3.10
Antenna Systems
The base station supports multi-channel SISO, MIMO Matrix A (STC), and MIMO Matrix
B (2x2 DL, Collaborative MIMO UL). The system also implements Maximal Rate
Combining (MRC) diversity on uplink channels (when MIMO Matrix B is not used). A
selection of 60o to 360o antennas are available for the 2.5 GHz and 3.5 GHz ranges.
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Chapter
CLI Interface
The base station can be monitored and configured using the Command Line Interface
(CLI) commands. This section describes the procedures for establishing a local console
or Telnet connection, the CLI command structure, and descriptions of individual CLI
commands.
The base station CLI operates in modes. This feature simplifies usage by grouping
related commands together under a specific level. After changing to the desired mode,
the user does not need to preface each command with the full pathname.
4.1.1
Physical Connections
Local management is performed through the TCM serial/console interface (Serial 2).
Remote management can be performed through the TCM Ethernet port (Ethernet 1) or
Gigabit Ethernet port (GbE).
The following diagram illustrates the management connection to the base station.
Figure 12: CLI - Management Terminal Connections
Table 21: Phy - Base Station Default IP Addresses
Port
Ethernet 2
GbE
Doc #70-00100-01-00-DRAFT
IP Address
10.100.2.10
192.168.0.221
Description
Connect the Redline supplied Ethernet cable (R4C-04) to the
TCM board Ethernet 1 port. Terminate the other end of this
cable to a computer or network.
Connect the Redline supplied Ethernet cable (R4C-05) to the
TCM board GbE port. Terminate the other end of this cable
to a computer or network.
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Table 21: Phy - Base Station Default IP Addresses
4.1.2
Ethernet 1
192.168.25.221
Serial 2
N/A
Out-of-band management
Connect the Redline supplied serial console cable (R4C-03)
to the TCM board Serial 2 port. If the host does not have a
serial connector, use an RS-232-to-USB converter. Settings:
Baud rate: 115200; Data bits: 8; Flow Control: None; Parity:
None; Stop Bits: 1
User Names and Passwords
The base station is shipped from factory with the following default user names and
passwords. It is suggested that during commissioning, the system administrator should
perform a system audit and assign new user names and passwords to all accounts.
Table 22: Phy - Base Station Default Usernames and Passwords
Account
Administrator
4.1.3
Username
Cli
Password
Cli
Telnet Connection
Type telnet followed by the IP address for the selected system access port and press
ENTER. Enter the account and password when prompted.
Example for GbE port:
telnet 192.168.25.221 [ENTER]
cli [ENTER]
cli [ENTER]
Result:
Copyright (c) 2006-2007 Redline Communications Inc.
http://www.redlinecommunications.com
SC1000>
Telnet Logout: To exit from the telnet session, type quit [ENTER].
4.1.4
SSH Connection
SSH login:
To begin an ssh session, type ssh followed by the IP address for the selected system
access port and press ENTER. Type the account and password when prompted.
Example:
ssh cli@192.168.25.221 [ENTER]
cli [ENTER]
Result:
Copyright (c) 2006-2007 Redline Communications Inc.
http://www.redlinecommunications.com
SC1000>
SSH logout: To exit from an ssh session, type exit then press ENTER.
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Chapter
Operational Notes
5.1
Synchronization
In TDD mode, the base station and the subscribers transmit at the same frequency, and
require precise base station synchronization (timing between downlink and uplink bursts)
to minimize potential interference and ensure good performance. The IEEE 802.16
standard calls for the use of global positioning system (GPS) receivers to provide the
precise time reference for synchronization of WiMAX networks.
5.2
Examples of 3-Sector Configurations
The modularity of the base station, combined with the OBSAI capabilities, provides a
wide selection of configuration options to meet the requirements and budget of the
network carrier.
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5.2.1
No Redundancy
This deployment scenario provides maximum economy without redundancy. In this
configuration, failure of the TCM or PWM module will cause the system to be
unavailable. Failure of a BBM will result in a loss of service for the affected sector.
Failure of a sector radio will revert to SISO for the affected sector or a loss of the sector
(based on the type of failure).
Table 23: 3-Sector with No Redundancy
Module
PWM
TCM
BBM
Quantity
RRH
Failure Mode
Failure of PWM
Failure of TCM
Failure of BBM
Failure of one RF PCB
Failure of digital PCB
System Action
System unavailable
System unavailable
Sector unavailable
Sector reverts to SISO
Sector unavailable
Figure 13: 3-Sector No Redundancy
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BASE STATION
Basic Redundancy
Basic redundancy is provided by adding standby transport, clock and control (TCM) and
power (PWM) modules. Baseband-radio link redundancy is achieved by installing a
standby BBM module with optical interface cables connecting to each sector RRH.
In this configuration, failure of a PWM or TCM module will switch to the dedicated
standby. If any single BBM fails, the system will switch to the standby BBM module. If
any single RFHE RF component fails the radio will operate in SISO mode for that sector.
Table 24: 3-Sector with Basic Redundancy + Standby BBM
Module
PWM
TCM
BBM
RRH
Redundancy
1+1
1+1
Up to 4+1
Not provided.
Failure Mode
Failure of active PWM
Failure of active TCM
Failure of one active BBM
Failure of active RFHE
System Action
Switch to standby PWM
Switch to standby TCM
Switch to standby BBM
Revert to SISO operation
Figure 14: 3-Sector Basic Redundancy
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Chapter
Troubleshooting
6.1
Factory Default Settings
The table lists some important factory default settings for the base station chassis.
Table 25: Troubleshooting - Factory Default Settings
Setting
Ethernet Interface
Management
Interface Eth 1
Wireless Interface
Wireless Interface
Wireless Interface
Wireless Interface
Wireless Interface
Wireless Interface
Wireless Interface
Wireless Interface
Wireless Interface
Wireless Interface
Wireless Interface
Wireless Interface
Admin Login
Guest login
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Sub
Field
Management
IP Address
Value
Via Data port (integrated)
192.168.25.221
RF
RF
RF
PHY
PHY
PHY
PHY
MAC
MAC
MAC
MAC
MAC
Frequency
Reference RSSI
-69 dBm
Tx Power
36 dBm
Channel size
5 MHz
Guard Interval
1/8
Number of Symbols in DL
29
Number of Symbols in UL
18
Adaptive DL/UL Ratio
Disabled
Cell Range Km
DL Ratio
54
Frame Duration
5 msec
Synchronization Mode
Free Run
Login
admin
Password
admin
Login
guest
Password
guest
*Based on 3.4 - 3.6 GHz RRH (radio).
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6.2
Recovering a Lost IP Address
Use a serial cable to access the base station serial console. The configuration of the
serial port should be 115,200 bps, no parity, 8 data bits, and 1 stop bit. Use the CLI
commands to restore the IP address to a known value.
Figure 15: Op - Management Terminal Connections
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6.3
System Log Messages
Table 26: Troubleshooting - Event Log Messages
Log Message
Input Overdrive
TX Gain Failure
Frequency Lock
TX Pre-distortion alarm
RX Failure Alarm
Temperature Alarm
Software Download
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Description
The RRH raises an alarm if the IQ TX stream is causing
an input overdrive.
The RRH monitors the transmit gain and raises an alarm
if the gain is outside the programmable gain limits.
The RRH monitors the lock status of all PLL's and raises
an alarm if an out of lock alarm occurs for a
programmable time threshold.
The RRH monitors the digital pre-distortion system and
raises an alarm if a failure is detected, e.g. TX-SRX
correlation failure etc.
The RRH monitors the RX performance and raises an
alarm if a RX failure is detected.
The RRH monitors the internal temperature of critical
sub-assemblies and raises an alarm when a
temperature exceeds a programmable threshold.
The RRH raises an alarm if a new SW image download
fails. Unit continues to operate with the previous
software image.
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Chapter
Appendices
7.1
System Technical Specifications
Table 27: Spec.: Base Station
Capacity:
Scalable from one to six sectors
Cell-based PMP deployment
802.16e-2005 compliant PMP
802.16e-2005 IP CS
Ethernet CS
QoS: UGS, RT-VR, ERT-VR, NRT-VR, BE
IEEE 802.16e-2005 S-OFDMA (WiMAX MTG compliant)
Dynamic Time Division Duplex (TDD)
512/1024 FFT
3.5, 5, 7, 10 MHz (125 KHz channel center resolution)
MRC Receive Diversity
PUSC, FUSC, AMC 2x3 permutation
Dynamic Adaptive Modulation (bi-directional)
Auto-select modulation: QPSK, 16 QAM, 64 QAM
Auto-select coding: 1/2, 2/3, 3/4, 5/6
Channel Coding: Convolutional Turbo Codes (CTC), multiple
repetitions
Chase Combining Hybrid ARQ with CTC
MIMO: Matrix A (STC), Matrix B (2x2 downlink, Collaborative MIMO
uplink)
MAC:
PHY:
Interfaces - Logical:
Interfaces - Physical:
Redundancy:
Encryption:
Management:
Network Attributes:
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Management: HTTP (Web server), Telnet (CLI)
R1: Base station over-the-air to CPE (IEEE 802.16e-2005 )
R3: Core Network Interface
R6: ASN connectivity
Management: 10/100 Ethernet (RJ-45), RS-232 (Sub DB-9)
Radio: OBSAI RP3-01 optical interface
Synchronization: 1 PPS TTL (GPS satellite clock)
WAN: Copper: 10/100/1000Base-T
Optical: 1000Base-X, 10/100/1000Base-T
N+1 for baseband module
1+1 for radio, control, and power modules
Message Authentication Code Mode (CMAC)
802.16 Authorization Policy Support
PKMv2 Support
EAP-based authorization
Cryptographic suites: CCM-Mode 128-bit AES
TEK encryption:
128-bit AES
Full management by Redline RMS (SOAP/XML)
Transparent bridge
802.1Q VLAN
802.1p network traffic prioritization
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Table 27: Spec.: Base Station
Power Requirements:
Power Consumption:
Reliability (MTBF):
Standards/Compliance:
Dimensions:
Operating
Temperature:
Storage Temperature:
Weight:
Power Cable:
Optical Cable:
RF Jumper Cable
GPS Antenna Cable
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DHCP client pass-through
-48 VDC (Auto-sensing 18-60 VDC)
Optional 120/240 VAC (Auto-sensing 90 - 264 VAC 50/60 Hz)
280 W for single sector without redundancy
1410 W for fully redundant six-sector configuration.
Availability:
99.999%
Base Station:
> 400 000 hours (estimated)
Base Station modules: >400 000 hours (estimated)
EMC: ETSI EN 301 489-1, EN 301 489-4, EN 55022/CISPR 22
Safety: IEC 60950-1, EN 60950-1, UL 60950-1;
FCC: CFR 47, Part 15, Part 27
19” rack mount 6U MicroTCA Shelf
482.6 x 266.7 x 237 mm (19.00 x 10.50 x 9.33 in) W x H x D
0 C to +40 C (up to 90% humidity non-condensing)
> 40 C for 5 hours (+55 C max.)
-5 C to +45 C (Δ15 C/hr, 10-95% humidity non-condensing)
12.5 kg (27.5 lb) empty, with fan tray
19 kg (42 lb) fully equipped
16 AWG/2 conductors, copper stranded, shielded
Max. allowable cable signal loss: 8 VDC
BBM to RRH:
50/125 UM Fiber Optic, Type OFNR, -40°C to +75°C
Outdoor Rated – 7 mm (0.28 in) OD. X 91 m (300 ft) max. length
Max. allowable cable signal loss: 8 dB
2 meter (6.5 ft) LMR-400 coaxial cable.
Maximum allowable cable signal loss: 0.5 dB
15 meter (50 ft) RG-59 coaxial cable.
Refer to manufacturers recommendations for cable types and
maximum allowable cable signal loss.
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Table 28: Spec.: Transport, Clock & Control Module (TCM)
Module:
OBSAI Function:
Dimensions:
Functions:
Interfaces:
Opt. Redundancy:
Hot-Swappable:
Transport, Clock & Control Module (TCM 1000)
Transport and Control & Clock Function
Double Width-Full Height Advanced Mezzanine Card (AMC)
29 x 150 x 180 mm (1.14 x 5.90 x 7.08 in) W x H x D
Classify traffic from core network and distribute to air interface
Aggregation of traffic from air interface to core network
Shelf control functionality (OAM&P)
System clock (Stratum 3 holdover of max +-0.37 ppm per 24 hrs)
Core network data transport port up to GbE with GBIC (SFP Gigabit
Interface Converter) or 10/100/1000 (SFP copper adapter)
Core network management port (10/100 Ethernet)
GPS synchronization input port
Operator serial console port (RS-232)
Operator network console port (10/100 Ethernet)
1+1
Yes
Table 29: Spec.: Baseband Module (BBM)
Module:
OBSAI Function:
Dimensions:
Functions:
Interfaces:
Opt. Redundancy:
Hot-Swappable:
Baseband Module (BBM 1000)
Baseband Block
Double Width-Full Height Advanced Mezzanine Card (AMC)
29 x 150 x 180 mm (1.14 x 5.90 x 7.08 in) W x H x D
WiMAX 802.16e-2005 modem (one BBM per sector)
Optical SFP port to RRH
Operator local console port (RS-232)
Operator network console port (10/100 Ethernet)
N + 1 per 3 sectors
Yes
Table 30: Spec.: SFP Module – Copper
The LCP-1250RJ3SR-S is 3.3V copper small form-factor plug-able (SFP) transceiver. It offers
full duplex 1000Mb/s Ethernet by transporting data over standard CAT 5 UTP cable (category 5
unshielded twisted pair), with RJ-45 connection. It takes signals from both CAT 5 UTP cable
and the SFP SerDes interface. The system host (MAC) must enable SGMII auto-negotiation
while LCP-1250RJ3SR-S is operated to setup the partner linking at one speed of
10/100/1000Mbps by 1000Base-T auto-negotiation.
- Compatible with specifications for IEEE 802.3z/Gigabit Ethernet
- Compliant with MSA specifications for Small Form Factor Pluggable (SFP) Ports
- Hot-Pluggable SFP footprint
- Compliant with industry standard RFT electrical connector and cage
- EEPROM with serial ID functionality
- Auto-Negotiation follows IEEE 802.3u Clause 28 (1000BASE-T) and Cisco SGMII Spec.
- Compatible with the Cisco specification of SGMII interface.
- LCP-1250RJ3SR-S supports SGMII interface without clock on MAC side
- Gigabit PHY device is integrated internally
- Internal PHY IC is configurable by host system software via SFP 2-wire-interface
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Table 31: Spec.: SFP Module – Fiber
Single Wavelength Transceiver
4 Gigabit Short-Wavelength SFP Transceiver (FTRJ8524P2xNy)
FTRJ8524P2xNy SFP transceiver is compatible with the Small Form Factor Pluggable MSA,
and Gigabit Ethernet and Fiber Channel.
- Up to 4.25 Gbps bi-directional data links
- Hot-pluggable SFP footprint
- Built-in digital diagnostic functions
- 850 nm Oxide VCSEL laser transmitter
- Duplex LC connector
- Up to 500 m on 50/125 µm MMF, 300 m on 62.5/125 µm MMF
- Extended operating temperature range: -20°C to 85°C
Table 32: Spec.: Power Module
Module:
OBSAI Function:
Dimensions:
Functions:
Interfaces:
Opt. Redundancy:
Hot-Swappable:
Power Module (PWM 380/760)
Power
Single Width-Full Height Advanced Mezzanine Card (AMC)
29 x 75 x 180 mm (1.14 x 2.95 x 7.08 in) W x H x D
Power for the base station chassis modules and the fan chassis
PWM 380 -- 380 Watts
PWM 760 -- 760 Watts
DC input: -48 VDC
AC input: 120/240 VAC (optional)
1+1
Yes
Table 33: Spec.: Cooling Module (CM)
Module:
Dimensions:
Functions:
Interfaces:
Hot-Swappable:
7.2
Cooling Module (CM)
431.8 x 44.5 x 196.9 mm (17 x 1.75 x 7.75 in) W x H x D
Integrated in chassis
Forced air cooling (four fans in tray)
Monitor fan operation and report alarm conditions (signaling and LEDs)
Alarm signaling to the TCM (via the backplane).
Yes
Data Cable Specifications (Optical and Copper)
Table 34: Phy - BBM: Data Cable Specifications
Optical
Copper
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50/125 UM Fiber Optic, Type OFNR, -40°C to +75°C
Outdoor Rated – 7 mm (0.28 in) OD. X 91 m (300 ft) max. length
Max. allowable cable signal loss: 8 dB
Standard CAT 5 UTP for data link up to 100 m (330 ft).
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7.3
PSU - Power Supply Unit
Table 35: Spec.: PSU Power Shelf Specifications
AC Input
Voltage:
Frequency:
Surge protection:
Monitoring
Local operation:
Remote operation:
Alarm output:
DC Output
Voltage:
Power:
DC Distribution Options
No. of Load breaker:
No. of Battery fuse:
Programmable LVD:
2 x AC feeds (85-300 VAC 1 ph)
45 to 66 Hz
Internal fuses (L & N)
Disconnect above 300 VAC
Menu driven software via keypads and LCD or PC
Eltek PowerSuite via modem or Monitoring via Eltek WebPower
(WEB Interface, SNMP protocol and email)
6 relays
48 VDC
3.2 kW (66.7A at 48 VDC)
Up to 10 mini MCB type (2-30A)
Up to 4 MCB type (60A)
LVBD: 125 A
Optional LVLD: 80A
Connection options in blocks of 2 breakers (2-8, 4-6, 6-4 or 8-2)
Connections
System extractable from frame for easy access
Battery connection:
Screw terminals (up to 35 mm lug)
Load:
MCB connections
Terminal blocks (up to 4 mm2)
Alarm connection:
Terminal blocks (up to 1.5 mm2)
Other Specifications
Isolation:
3.0 KVAC – input and output
1.5 KVAC – input earth
0.5 KVDC – output earth
Operating temp:
-40 to 75°C (-40 to 167°F)
Storage temp:
-40 to 80°C (-40 to 176°F)
Dimension:
19” mounting (446 mm + brackets)
2U height and 250 mm depth
Rec. cabinet depth:
300 mm min.
Weight (excl. rectifiers:
Approx. 4.38 Kg (9.66 lbs)
Applicable Standards
Electrical safety:
IEC 60950-1
UL 60950-1
EMC:
ETSI EN 300 386 V.1.3.2 (telecommunication network)
EN 61000-6-1 (immunity, light industry)
EN 61000-6-2 (immunity, industry)
EN 61000-6-3 (emission, light industry)
EN 61000-6-4 (emission, industry)
Environment:
ETSI EN 300 019-2
ETSI EN 300 132-2
Table 36: Spec.: PSU Power Module Specifications
AC Input
Maximum Current:
Power Factor:
THD:
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Input: 4.9 A RMS maximum at nominal input and full load
Earth leakage: 1.7 mA at 250 VAC/50 Hz
0.98 at 30% load or more
3.1% (230 VAC)
2.1% (115 VAC)
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Input Protection:
Transient protection
Mains fuse in both lines
Disconnect above 300 VAC
DC Output
Nominal output:
53.5 VDC
Float/Boost range:
48 – 57.6 VDC
Standby test range:
43.5 – 48 VDC
Output Power:
800 W at nominal input / 350W at 85 VAC
Maximum Current:
16.7 Amps at 48 VDC and nominal input
Current Sharing:
±5% from true average current between modules
Static voltage regulation:
±1.0% from 5% to 100% load
Dynamic voltage regulation: ±5.0% for 25-100% load variation, regulation time < 10 ms
Hold up time:
> 20 ms; output voltage > 43.0 VDC at 80% load
Ripple and Noise:
< 100 mV peak to peak, 20 MHz bandwidth
< 2 mV RMS psophometric
Output Protection:
Overvoltage shutdown
Blocking diode
Short circuit proof
High temperature protection
DC Output
Efficiency:
Typ. 91% at 60-100% load
Isolation:
3.0 KVAC – input and output
1.5 KVAC – input earth
0.5 KVDC – output earth
Alarms:
Low mains shutdown (<85 VAC)
High temperature shutdown
Rectifier Failure
Overvoltage shutdown on output
Low voltage alarm at 43.0V
CAN bus failure
Warnings:
Rectifier in power derate mode
Remote battery current limit activated
Input voltage out of range, flashing at overvoltage
Loss of CAN communication with control unit, stand alone mode
Visual indications:
Green LED: ON, no faults
Red LED: rectifier failure
Yellow LED : rectifier warning
Operating temp:
-40 to 75 C (-40 to 167°F)
Derating above 55 C linear to 450W at +65 C
Storage temp:
-40 to 80 C (-40 to +176°F)
Cooling:
1 fan (front to back airflow)
Fan Speed:
Temperature and current regulated
MTBF:
> 300, 000 hours Telcordia SR-332
Issue I, method III (a) (T ambient : 25°C)
Acoustic Noise:
< 45 dBA at nominal input and full load
Humidity Operating:
5% to 95% RH non-condensing
Storage:
0% to 99% RH non-condensing
Dimensions:
42.5 x 88.9 x 250 mm (1.67 x 3.5 x 9.84”) (W x H x D)
Weight 1.08 kg (2.38 lbs)
AC Input
Voltage:
2 x AC feeds (85-300 VAC 1 ph)
Frequency:
45 to 66 Hz
Surge protection: Internal fuses (L & N)
Disconnect above 300 VAC
Monitoring
Local operation:
Menu driven software via keypads and LCD or PC
Remote operation: Eltek PowerSuite via modem or Monitoring via Eltek WebPower (WEB
Interface, SNMP protocol and email)
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Alarm output:
Visual indication:
6 relays
Green LED – System ON
Yellow LED – Minor alarm(s)
Red LED – Major alarm(s)
LCD – system status messages
Connections
Battery connection: Screw terminals (up to 35 mm2 lug)
Load:
MCB connections
Terminal blocks (up to 4 mm2)
Alarm connection: Terminal blocks (up to 1.5 mm2)
7.4
System Throughput
The base station uses TDD (Time Division Duplexing) for system uplink transmissions,
employing a single frequency for both the base station and the subscriber. The PMP
downlink is a broadcast medium shared and received by all subscribers in the sector.
Transmission priorities are adjustable during provisioning of WiMAX subscribers.
For each channel bandwidth (3.5, 5, 7, and 10 MHz), there are six possible modulation
and coding combinations. In the following tables, the Ethernet throughput is the rate that
can be achieved after burst overhead and acquisitions times are removed.
Table 37: Spec.: RedMAX 4C Physical Layer Throughput to CPEs (Mbps)
3.5 MHz Channel
Throughput (Mbps) per Sector
5 MHz Channel
7 MHz Channel
10 MHz Channel
Modulation/
Code
DL
UL
DL
UL
DL
UL
DL
UL
BPSK 1/2
0.7
0.4
1.0
0.5
1.4
0.7
2.0
1.1
QPSK 1/2
1.4
0.7
2.0
1.0
2.9
1.5
4.0
2.1
QPSK 3/4
2.2
1.1
3.0
1.6
4.3
2.2
6.0
3.2
16 QAM 1/2
2.9
1.4
4.0
2.1
5.8
2.9
8.1
4.3
16 QAM 3/4
4.3
2.1
6.0
3.1
8.6
4.4
12.1
6.4
64 QAM 2/3
5.8
2.8
8.1
4.1
11.5
5.8
16.1
8.5
64 QAM 3/4
6.5
3.2
9.1
4.7
13.0
6.6
18.1
9.6
7.2
3.5
14.4
7.3
10.1
5.2
20.2
Note: PUSC, Excludes RTG & TTG; includes all layer 2 overhead,
Assumptions: 60:40 traffic split, 5 msec frame, cyclic prefix = 1/8.
10.6
64 QAM 5/6
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7.5
Power Requirements
The DC wide mouth power supply supports from -18 VDC to -60 VDC. The optional AC
power supply is auto-sensing in the 90 to 132 V and 180 to 264 V ranges.
Table 38: Spec.: RedMAX 4C Power Dissipation (Watts)
7.6
Modules
BBM
TCM
Cooling Module
RRH
50
30
50
150
Total
280
Sectors without
Redundancy
150
200
30
30
50
50
450
600
680
880
300
30
50
900
Sectors with Redundancy
& Diversity
100
200
300
400
60
60
60
60
100
100
100
100
150
450
600
900
1280
410
810
1060
1460
Heat dissipation (Shelf)
Table 39: Spec.: Heat Dissipation for SC-1000 Shelf (IDU) in BTU/Hour
7.7
Modules
BBM
TCM
Fan Tray (CU)
170
100
170
Total
440
Sectors without
Redundancy
510
680
100
100
170
170
780
950
1020
100
170
Sectors with Redundancy
& Diversity
340
680
1020
1360
200
200
200
200
170
170
170
170
1290
710
1050
1390
1730
Heat dissipation (Remote Radio Head)
Table 40: Spec.: Heat Dissipation for RRH (ODU) in BTU/Hour
Modules
RRH
400
Total
400
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Sectors without
Redundancy
1200
1600
1200
1600
2400
Sectors with Redundancy
& Diversity
400
1200
1600
2400
2400
400
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7.8
RF Sensitivity
The RF sensitivity is provided in the following tables.
Table 41: Spec.: RedMAX Receive Sensitivity (dBm)
Modulation/Code
QPSK 1/2
QPSK 3/4
16 QAM 1/2
16 QAM 3/4
64 QAM 2/3
64 QAM 3/4
64 QAM 5/6
7.9
2.496-2.696 GHz Band
5 MHz
10 MHz
Channel
Channel
Receive Sensitivity
3.3-3.5 / 3.4-3.6 / 3.6-3.8 GHz Band
3.5 MHz
5 MHz
7 MHz
10 MHz
Channel
Channel
Channel
Channel
-99.5
-96.5
-101.0
-99.5
-97.9
-96.5
-96.1
-93.1
-97.6
-96.1
-94.5
-93.1
-93.8
-90.8
-95.3
-93.8
-92.2
-90.8
-89.7
-86.7
-91.2
-89.7
-88.1
-86.7
-85.5
-82.5
-87.0
-85.5
-83.9
-82.5
-84.4
-81.4
-85.9
-84.4
-82.8
-81.4
-82.5
-79.5
-84.0
-82.5
-80.9
-79.5
Single Omnidirectional Node Station
A single omnidirectional node base station can use one RF channel and one
omnidirectional type antenna. The capacity of the base station is dependent on the
channel size and is equivalent to one single channel.
Table 42: Spec.: Op - Total TDD Ethernet Throughput per Sector
Channel Bandwidth (Mbps)
7.10
Modulation Mode
3.5 MHz
5 MHz
7 MHz
10 MHz
QPSK ½ CTC, 6x
0.3
0.4
0.6
0.8
QPSK ½ CTC, 4x
0.6
0.8
1.1
1.6
QPSK ½ CTC, 2x
1.1
1.6
2.2
3.1
QPSK ½ CTC, 1x
2.2
3.1
4.5
6.2
QPSK ¾, CTC
3.3
4.7
6.7
9.4
16 QAM ½ , CTC
4.1
6.2
8.2
12.5
16 QAM ¾ , CTC
6.7
9.3
13.4
18.7
64 QAM ½, CTC
6.7
9.3
13.4
18.7
64 QAM 2/3, CTC
8.9
12.4
17.9
25.0
64 QAM ¾, CTC
10.0
14.0
20.1
28.1
Spectral Efficiency
The RF spectral efficiency is provided in the following tables.
Table 43: Spec.: RedMAX 4C Spectral Efficiency (5 MHz / 10 MHz)
Rates (Mbps)
Bit Efficiency (Bits/Hz)
Modulation
Over-Air
Eth Net
Over-Air
Eth Net
64 QAM 3/4
22.9 / 45.7
14.1 / 28.1
4.6 / 4.6
2.8 / 2.8
64 QAM 2/3
22.9 / 45.7
12.5 / 25.0
4.6 / 4.6
2.5 / 2.5
16 QAM 3/4
15.3 / 30.4
9.4 / 18.7
3.1 / 3.0
1.9 / 1.9
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BASE STATION
7.11
16 QAM 1/2
15.3 / 30.4
6.2 / 12.5
3.1 / 3.0
1.2 / 1.3
QPSK 3/4
7.6 / 15.3
4.7 / 9.4
1.5 / 1.5
0.9 / 0.9
QPSK 1/2
7.6 / 15.3
3.1 / 6.2
1.5 / 1.5
0.6 / 0.6
BPSK 1/2
3.9 / 7.6
1.6 / 3.1
0.8 / 0.8
0.3 / 0.3
GPS Synchronization
Important: To minimize inter-sector RF interference, synchronization must be
used to coordinate RF transmissions of base stations.
The IEEE 802.16 standard calls for the use of GPS (Global Positioning System)
receivers to provide the precise time reference for synchronization of WiMAX networks.
Operating in TDD mode, the base station and the subscribers transmit at the same
frequency, and require precise synchronization between downlink and uplink
transmissions. Proper coordination of these activities is required to minimize interference
and ensure the best overall system performance.
The base station uses the GPS 1 PPS signal to set the frequency of the TCM onboard
clock. This TCM reference clock is used when broadcasting a radio frame
synchronization signal to all BBM and RRH modules. If the 1 PPS signal becomes
unavailable at any base station, that TCM enters 'holdover mode' to maintain the highest
accuracy until the GPS signal can be restored.
GPS reference clock systems require that a receiver be placed at each base station and
that the GPS antenna have line-of-sight satellite access. Ideally, a GPS antenna should
be mounted on a rooftop with a full 360º view of the sky, but often an antenna mounted
on the side of a building or a tower with a 180º view of the sky is adequate.
The base station provides the following synchronization schemes.
Model 1 (Standard) – External GPS Unit
The GPS component is an integrated GPS receiver/antenna module. Signal input is
through an RS-232 cable connected to the Serial 1 port on the TCM front panel.
Recommended for short cable runs (~20m).
Figure 16: Spec.: External GPS Clock
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BASE STATION
Table 44: Spec.: External GPS Unit Specifications
Mechanical
Dimensions
Weight
60 mm dia. x 34.2 mm H
50g
Connector
RS232: DB9F
Mounting
Shock
¾” Thru hole or Mast bracket
Vertical axis 50G, other axis 30G
3 axis sweep = 15 minutes
(10-200 Hz log sweep)
Vibration
Environmental
Operating Temp
Storage Temp
Humidity
Electrical
Voltage
Current
Antenna Response
Frequency
Gain
Polarization
Axial Ratio
Out-of-band rejection
-40 to +85 C
-45 to +85 C
95% max (non-condensing)
+/-25 V
<100 mA
1575.42 MHz
@ 90 3 dBic
@ 20 -2.0 dBic
Right Hand Circular
@ 90 4 dB
@ 20 6 dB
+/- 20 MHz: 10 dB
+/- 30 MHz: 32 dB
GPS Performance
Frequency
Channels
L1, 1575.42 MHz
12 channels parallel
Sensitivity
-146 dBm (min. tracked signal)
Position Accuracy
< 30 meters SPS
Autonomous start < 90 sec
Cold start < 45 sec
Warm start < 7 sec
Re-acquisition < 1 sec
NMEA messages
4800 baud: GGA5, VTG, GSA, GSV on UTC second
57,600 baud: GGA5, GSA, GSV, RMC, on UTC second
Time to First Fix
Serial Protocol: RS232
1 PPS
Resolution
Accuracy
Reporting
Doc #70-00100-01-00-DRAFT
+/- 31 nanoseconds
50 nanoseconds
Proprietary NMEA message TG format
Proprietary Redline Communications © 2009
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BASE STATION
Model 2 – Embedded GPS Daughterboard)
The GPS component is a daughter card on the TCM module. Signal input is through an
RJ-59 RF cable from the GPS antenna to the Antenna input (SMA) on the TCM front
panel. Recommended for short cable runs (up to 22m).
Figure 17: Spec.: Internal GPS Clock
Table 45: Spec.: Internal GPS Unit Specifications
Physical
Dimensions
Weight
Environmental
Operating Temp
Storage Temp
Vibration
Humidity
Altitude
Electrical
Prime Power
Power Consumption
Ripple Noise
Antenna Fault Protection
Interface
Connectors
Serial Port
PPS
Doc #70-00100-01-00-DRAFT
66.3 mm L x 32.1 mm W x 8.5 mm H
(2.6” L x 1.3” W x 0.33” H)
Approx 12.5 grams (0.4 ounce)
–40 C to +85 C
–55 C to +105 C
0.008 g2/Hz
5 Hz to 20 Hz
0.05 g2/Hz
20 Hz to 100 Hz
–3 dB/octave 100 Hz to 900 Hz
5% to 95% R.H. non-condensing, at +60° C
–400 to 18,000 m max
+3.3 VDC ±0.3 VDC
GPS board only: 350 mW @ 3.3 V
Max 50 mV, peak to peak from 1 Hz to 1 MHz
Short-circuit/open detection and protection
I/O: 8-pin (2x4) 2 mm Male Header
RF: Right-angle SMB (SMA optional)
1 serial port (transmit/receive)
3.3 V CMOS-compatible TTL-level pulse, once per second
Rising edge of the pulse synchronized with GPS/UTC
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BASE STATION
Table 45: Spec.: Internal GPS Unit Specifications
TSIP @ 9600 baud, 8 bits
NMEA 0183 v3.0 @ 4800 baud, 8 bits
Protocols
Accessories
Rooftop Antenna
Transition cable
Rooftop Antenna Kits
Performance
L1 (1575.42 MHz) Frequency, C/A Code, 12-channel, paralleltracking receiver, DSP-based
TSIP @ 1 Hz; NMEA @ 1 HZ
Horizontal Position: <6 meters (50%), <9 meters (90%)
Altitude Position: <11 meters (50%), <18 meters (90%)
Velocity: 0.06 m/sec
PPS: within 15 ns to GPS/UTC (1 Sigma)
<5 ns with quantization error removed
Reacquisition: <2 sec. (90%)
Hot Start: <14 sec (50%), <18 sec (90%)
Warm Start: <41 sec (50%), <45 sec (90%)
Cold Start: <46 sec (50%), <50 sec (90%)
Acquisition –136 dBm
Tracking –141 dBm
General
Update Rate
Accuracy
Acquisition
Sensitivity
Operational (COCOM)
Limits
Doc #70-00100-01-00-DRAFT
Bullet III, TNC (F) 3.3 VDC with 30 dBi gain.
or Bullet III, F 5 VDC with 35 dBi gain
SMB to F
3 or 5 VDC
Altitude 18,000 m
Velocity 515 m/s
Proprietary Redline Communications © 2009
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BASE STATION
7.12
Base Station Part Numbers
Order Code
Image
Description
R4C-BBM-00001
MIMO capable base band modem with single optical
SFP for RRH connection.
R4C-CFB-PL100
Amphenol fiber cable assembly for BBM to RRH
connection. Multimode outdoor fiber optic cable.
Amphenol PT connector on RRH side and LC
connector on BBM side. Length 100 ft
R4C-CFB-PL300
Amphenol fiber cable assembly for BBM to RRH
connection. Multimode outdoor fiber optic cable.
Amphenol PT connector on RRH side and LC
connector on BBM side. Length 300 ft
R4C-CPW-L0100
16 AWG/2 Conductors, Copper Stranded, Shielded DC
power cable with Amphenol-lite connector on RRH
side. Another side not connectorized. Length 100 ft
R4C-CPW-L0300
16 AWG/2 Conductors, Copper Stranded, Shielded DC
power cable with Amphenol-lite connector on RRH
side. Another side not connectorized. Length 300 ft
R4C-CRF-11021
Amphenol RF Jumper assembly. LMR-400 coaxial
cable with two N-male connectors. Length 6.5 ft
R4C-GPS-TR00S
Trimble Resolution T daughter card for TCM.
R4C-GPS-TRB00
Trimble Bullet III GPS antenna, 35 dB gain with TNCfemale connector
R4C-GPS-TRC15
15m of RG59 TNC-male to SMB-male for Trimble
Resolution T timing module.
R4C-PWM-EB000
Eltek battery backup kit
R4C-PWM-ER800
Eltek 800W power rectifier module
R4C-PWM-ESH01
Eltek power shelf with controller unit and single 800W
power rectifier module
R4C-SLF-AI00S
uTCA shelf Air Impedance Plate
Prevents horizontal heat transfer between modules
R4C-SLF-AL000
Alarm module for uTCA shelf
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BASE STATION
R4C-SLF-FL00S
uTCA shelf Fill Plate
R4C-SLF-FN00S
uTCA shelf Fan Tray
R4C-SLF-FT00S
uTCA shelf Filter Tray
R4C-SLF-PW380
-48 VDC, 380W power module for uTCA shelf with 3 ft
DC cable
R4C-SLF-PW720
-48 VDC, 720W power module for uTCA shelf with 3 ft
DC cable
R4C-SLF-uTCA0
PICMG-Compliant uTCA shelf with cooling unit
includes: (Shelf, Fan Tray, Filter Tray, Back Plate, Nine
Fill Plates, Air Impedance Plate). Power & alarm
modules are not included.
R4C-TCM-01SFP
CAT5 10/100/1000 Mbps Ethernet, replaceable SFP
equipped with RJ-45 connector
R4C-TCM-10SFP
Optical 1000 Mbps Ethernet, replaceable SFP
equipped with LC optical connector
R4C-TCM-G0001
Transport, control and clock card equipped with
integrated Trimble Resolution T timing module
REM-D00-3500M
Gemtek 3500 MHz MIMO capable outdoor CPE for 3.4
– 3.6 GHz frequency band. Only data capable.
RPM-D00-2500M
Gemtek 2500M MIMO capable indoor CPE for 2.5 –
2.7 GHz frequency band. Only data capable.
RPM-DP0-2500M
Gemtek 2500M MIMO capable indoor CPE for 2.5 –
2.7 GHz frequency band. Data and phone capable.
Equipped with two analog phone line connections.
Doc #70-00100-01-00-DRAFT
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8
Abbreviations
8P8C
8 Position 8 Contact
DB-15P
D-subminiature size B – 15 Pins
AAA
Authentication, Authorization and
Accounting
dBm
Decibels per milliwatt
DC
Direct Current
DHCP
Dynamic Host configuration Protocol
Dia
Diameter
DL
Down Link
DSCP
Differentiated Services Code Point
AC
Alternating Current
AES
Advanced Encryption Standard
AMC
Advanced Mezzanine Card
ARQ
Automatic Repeat Request
ASN
Access Service Network
ASP
Application Service Provider
AWG
Application Working Group
Base-T
Baseband Twisted Pair
BBM
Baseband Modem
BE
Best Effort
BFW
Broadband Fixed Wireless
BPSK
Binary Phase Shift Keying
BRAS
Broadband Remote Access Server
BS
Base Station
BTU
British Thermal Unit
C/A Code
(GPS)
Coarse Acquisition
CAN
Controller Area Network
CAT / UTP
CCM
DSP (GPS) Domain Specific Part
D-sub
D-subminiature
EAP
Extensible Authentication Protocol
EB
Excess Burst
EMC
Electro Magnetic Compatibility
EMMC
Enhanced Module Management Controller
EMS
Element Management System
EN
Engineering Notice
ERT-VR
Extended Real Time Variable Rate
ERT-VR
Extended Real Time – Variable Rate
Service
ESD
Electrostatic Discharge
ETSI
European Telecommunications Standard
Institute
Category / Unshielded Twisted Pair
FCC
Federal Communications Commission
Control and Clock Module
FDD
Frequency Division Duplex
CEC
Canadian Electrical Code
FFT
Fast Fourier Transform
CFR
Code of Federal Regulations
FTR
CINR
Carrier to Interference-plus-Noise Ratio
Federal Telecommunications
Recommendation
CLI
Command-line Interface
FUSC
Fully Used Sub-Channel / Sub-Carrier
CM
Cooling Module
FWA
Fixed-Wireless Access
Cipher-based Message Authentication
Code
Gravitational acceleration
CMAC
GbE
Gigabit Ethernet
COCOM
Complete Communication (Round Rock,
TX)
GBIC
Gigabit Interface Converter
CPE
Customer Premises Equipment
CPRI
Common Public Radio Interface
CS
Communications Slot
CSN
Connectivity Service Network
CTC
Convolutional Turbo Codes
dB
Decibel
DB
connector
Database Bus connector
GGA
GPS
Global Positioning System
GSA
Global mobile Suppliers Association
GW
Gateway
HA
Home Agent
HO
Hand Over
HS
Hot Swap
HSMA
Hardware System Management Activity
HTTP
70-00100-01-00-DRAFT
Proprietary Redline Communications © 2009
Hypertext Transfer Protocol
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BASE STATION
I/O
Input/ Output
IC
Integrated Circuit
IEC
International Electrotechnical Commission
IEEE
Institute of Electrical and Electronics
Engineers
IP
Internet Protocol
IPMI
Intelligent Platform Management Interface
IQ TX
Input Queuing Transmission
ISP
Internet Service Provider
KVAC
Kilovolts Alternating Current
KVDC
Kilovolts Direct Current
L&N
(fuse)
Live & Neutral
LC
Link Control
LCD
Liquid Crystal Display
LCP
Link Control Protocol
LED
Light-Emitting Diode
LMR
Land Mobile Radio
LVBD
Low Voltage Battery Disconnect
LVD
Low Voltage Disconnect
MAC
Media Access Control
MAN
Metropolitan Area Network
MCB
Main Circuit Breaker
MIBs
Management Information Bases
MIMO
Multiple Input Multiple Output
MMF
Multimode Fiber
MOS
Metal Oxide Semiconductor
MRC
Maximal Rate Combining
MS
Mobile Subscriber
MSA
Metropolitan Statistical Area
MTBF
Mean Time Between Failure
MTG
Mobility Task Group
NBI
Northbound Interface
NEC
National Electric Code
NMEA
National Marine Electronics Association
NMS
Network Management System
NRT-VR
Non-Real Time – Variable Rate Service
NRT-VR
Non-Real-Time Variable Rate
NSP
Network Service Provider
NWG
Network Working Group
OAM&P
Operation, Administration, Maintenance
and Provisioning
OBSAI
Open Base Station Architecture Initiative
Doc #70-00100-01-00-DRAFT
OBSAI
RP3
Open Base Station Architecture Initiative
Reference Point 3 Specification
OD
Outside Diameter
OFDMA
Orthogonal Frequency Division Multiple
Access
OFNR
Optical Fiber Non-conductive Riser
OOS
Out-of-Service Signaling
OP
Operation/Operational
OSS
Operations Support System
PCB
Printed Circuit Board
PCI
Peripheral Component Interconnect
PHY
Physical Layer
PICMG
PCI Industrial Computer Manufacturers
Group
PKM
Privacy Key Management
PLL
Phase-Locked Loop
PMP
Point to Multipoint
PMP
Paging Message Processor
PPM
Parts per Million
PPS
Packet Per Second
PSU
Power Supply Unit
PT
Payload Type
PUSC
Partially Used Sub-Carrier
PWM
Power Module
QAM
Quadrature Amplitude Modulation
QoS
Quality of Service
QPSK
Quadrature Phase Shift Keying
RDY
Ready
RF
Radio Frequency
RF IC
Radio Frequency Integrated Circuits
RFHE
Radio Frequency Head-End
RFT
Radio Frequency Transmitters
RH
Relative Humidity
RJ-45
Registered Jack-45
RMC
Remote Management Console
RMS
Resource Management System
RMS
Redline Management Suite
RRH
RRH - Remote Radio Headend
RS-232
Recommended Standard 232
RSS
Really Simple Syndication
RSSI
Relative Signal Strength Indicator
RTG
Receive/transmit Transition Gap
RT-VR
Real Time –Variable Rate
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BASE STATION
SC1000
Sector Controller 1000
SELV
Separated or safety extra-low voltage
UM (Fiber
Optic)
Micrometer (Micron)
SerDes
Serializer / Deserializer
USB
Universal Serial Bus
SFP
Small Formfactor Pluggable
UTC
Universal Time Coordinator (Coordinated
Universal Time)
SGMII
Serial Gigabit Media Independent
Interface
VAC
Voltage Alternating Current
VCSEL
Vertical Cavity Surface-Emitting Laser
VDC
Voltage Direct Current
VLAN
Virtual Local Area Network
VoD
Video on Demand
VOIP
Voice over IP
VTG
(serial)
Virtual Technology Gateway
SIP
Session Initiation Protocol
SISO
Single Input Single Output
SLA
Service Level Agreement
SMA
SubMiniature version A
SMA
connector
SubMiniature version A connector
SMB
SubMiniature version B
SNMP
Simple Network Management Protocol
WEEE
Directive
The Waste Electrical and Electronic
Equipment Directive
SNMP
MIBs
Simple Network Management Protocol
Management Information Bases
WiMAX
Worldwide Interoperability for Microwave
Access
SOAP
Simple Object Access Protocol
XML
Extensible Markup Language
SPS
Single Pull Station
SPST
Single-Pole, Single-Throw
SRX
Sampling Receiver
SSH
Secure Shell Protocol
STC
Space–Time Coding
TBD
To Be Defined/ Developed
TCA
Threshold Crossing Alerts
TCM
MicroTCA Carrier Hub ?
TCM
Transport, Clock & Control Module
TCP
Transmission Control Protocol
TDD
Time Division Duplexing
TDM
Time Division Multiplexing
Telco
Telephone Company
THD
TMF
Transport Multiplexing Function
TNC
(antenna)
Threaded Neill-Concelman
TOS
Type of Service
TS
Telecommunications Standard
TSIP
Trimble Standard Interface Protocol
TTG
Transmit/receive Transition Gap
TTL
Time To Live
TX
Transmission
UDP
User Datagram Protocol
UGS
Unsolicited Grant Service
UL
Up Link
Doc #70-00100-01-00-DRAFT
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