Cubic Global Tracking Solutions RSU3 Asset Tracking Equipment User Manual NGWC Mesh Network User Guide

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Document ID	1417874
Application ID	WclAA/KLde3eNME6OmY8Sg==
Document Description	User Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	61.86kB (773299 bits)
Date Submitted	2011-02-17 00:00:00
Date Available	2011-02-17 00:00:00
Creation Date	2010-11-14 16:38:14
Producing Software	Microsoft® Office Word 2007
Document Lastmod	2010-11-14 16:38:14
Document Title	NGWC Mesh Network User Guide
Document Creator	Microsoft® Office Word 2007
Document Author:	Steve Leonard

RSU-3 User Guide
November 14, 2010
Cubic Global Tracking Solutions
2570 West El Camino Real, Suite 100
Mountain View, CA 94040
USA
http://www.impeva.com
Copyright © 2010 by Cubic GTS
Notice of Ownership
Use of this information shall be limited to persons having a need to know, within the
appropriate project organizations, as defined within the nondisclosure agreement (NDA)
between Cubic Global Tracking Solutions and its customers.
Disclosure of the material in this document to outside organizations shall only be made
with the written consent of an authorized Cubic GTS corporate officer.
This document contains information that is considered proprietary and confidential to
Cubic Global Tracking Solutions (CGTS). No information contained in this document
may be released, re-printed, or redistributed without the permission of CGTS. The
information contained in this document is subject to change without notice.
If you have questions or comments about this document, please direct them to
info.cgts@cubic.com.
Copyright © 2010 by Cubic GTS
Revision History
Revision
Date
Author(s)
Notes
1.0
11/14/10
Bryan Shah
Initial release.
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Copyright © 2009-2010 by Cubic GTS
Table of Contents
REGULATORY COMPLIANCE ........................................................................................................ 4
INTRODUCTION TO THE CGTS MESH NETWORK................................................................. 5
3.1
REMOTE SENSOR UNIT..............................................................................................................................5
3.2
CGTS MESH NETWORK OVERVIEW .........................................................................................................5
3.3
THE DEVICE MANAGEMENT CENTER .....................................................................................................5
3.4
CGTS MESH NETWORK OPERATION .......................................................................................................5
3.4.1 RSU Network Processes ......................................................................................................................... 6
REMOTE SENSOR UNIT.................................................................................................................. 7
4.1
RSU ..............................................................................................................................................................7
4.2
RSU LEDS ...................................................................................................................................................7
4.3
RSU SAMPLING AND REPORTING BEHAVIOR ........................................................................................7
4.4
INSTALLING A RSU ....................................................................................................................................8
4.5
CONFIGURING A RSU .................................................................................................................................8
4.6
MAINTAINING A RSU.................................................................................................................................8
4.6.1 Replacing a RSU Battery ....................................................................................................................... 8
4.7
RSU 2.4GHZ ANTENNA PATTERN .........................................................................................................8
4.8
RSU SENSOR CHARACTERISTICS .............................................................................................................9
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2 Regulatory Compliance
FCC STATEMENT:
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. Operation
of this equipment in a residential area is likely to cause harmful interference in which
case the user will be required to correct the interference at his/her own expense.
Changes or modifications not expressly approved by Cubic Global Tracking Solutions for
compliance could void the user’s authority to operate the equipment.
EUROPEAN UNION:
This product complies with the R&TTE Directive and the EMC
Directive (89/336/EEC) issued by the Commission of the
European Community
This product has been tested to verify compliance to the following
European Standards:
EN 300 328 – Technical Requirements for Radio Equipment
EN 301 489 –EMC Emissions and Immunity
INDUSTRY CANADA:
This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.
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3 Introduction to the CGTS mesh network
The CGTS mesh network enables end-to-end security and management of your mobile
assets through continuous monitoring and near real-time reporting.
Cubic GTS designed the Next Generation Wireless Communication for Logistics
Applications (NGWC) mesh network to meet the U.S. Army NGWC requirements. The
Overview section explains the CGTS mesh network operation.
3.1 Remote Sensor Unit
The Remote Sensor Unit (RSU) provides identification, security and sensor monitoring.
The remote sensor can measure temperature, humidity, motion, light, battery charge,
shock, and door state. A RSU also provides connectivity for other RSUs through the
mesh network. For more information about the RSU, see the Remote Sensor Unit
section.
3.2 CGTS mesh network Overview
CGTS mesh network connects RSUs that act as remote sensing units to a web based
Device Management Center (DMC). The DMC collects information from the RSUs and
stores the data on the server. You can use the web access to the DMC to manage the
mesh network. Data is communicated securely between the RSUs and the DMC in
encrypted packets, and the DMC provides secure management of the collected data.
A gateway between the RSUs and the DMC provides communication between the RF
network of RSUs and the Internet. The RSUs communicate using the CGTS proprietary
protocol stack based on IEEE 802.15.4 physical layer at 2.4 GHz using all 16 channels.
3.3 The Device Management Center
The Device Management Center (DMC) is located at a Cubic GTS facility. The DMC
provides the following services:
Secure storage on the DMC for data that is transmitted securely from CGTS
mesh network devices.
Secure system management of the CGTS mesh network.
Worldwide health monitoring of the RSUs in the CGTS mesh network.
Event notification to individuals via email or short messaging service (SMS).
Software upgrade of deployed devices (future functionality).
3.4 CGTS mesh network Operation
The mesh network that is formed by the Remote Sensor Units (RSUs) and the gateways
operates independently of the Internet connection that forms the link between the
gateways and the Device Management Center (DMC). This section describes the
foundation of the mesh network operation between the gateways and the RSUs.
The CGTS mesh network allows for multiple paths between the RSUs and the gateways
in the network. Because the data path through the network is non-deterministic, the
CGTS mesh network is an ad hoc network.
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3.4.1 RSU Network Processes
The RSU software performs the following three tasks:
Searching, or scanning, for the presence of neighboring RSUs or gateways.
Announcing, or beaconing, the presence of this RSU.
Performing scheduled communication with other RSUs or sinks.
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4 Remote Sensor Unit
A Remote Sensor Unit (RSU) communicates with the DMC through RF signals to an
FMG or MMG. A RSU that includes GPS capability is called a RSU-GPS.
4.1 RSU
A RSU is shown in Figure 1. A RSU is packaged in a rugged IP66 production housing. It
has several mounting options which include built-in self tapping screws, glue-on
mounting sled, strap holes, optional magnet mounts. RSU can include up to four A size
lithium batteries, and has an integrated antenna. A RSU sensor measures temperature,
humidity, motion, and light, and monitors the state of magnetic door sensor. The battery
life varies based upon the RSU configuration, but the minimum battery life can be
guaranteed for any specific configuration.
Figure 1: Remote Sensor Unit (RSU)
4.2 RSU LEDs
The RSU LEDs function as follows by default:
Short blink (~20ms) red every 2.5 seconds if not connected to a network.
Short blink green every 2.5 seconds when connected to a network.
Long red blink on magnet transition (1s).
To control light pollution LED blinking can be slowed down and turned off.
4.3 RSU Sampling and Reporting Behavior
A RSU has the following sensor sampling behavior by default:
Door sensor and shock sensor cause immediate sampling.
Other sensor sampling is every 20 minutes.
A RSU has the following reporting behavior by default:
Sends a sensor report every 2 hours.
Sends a report on a magnet touches immediately or if default sensor thresholds
were surpassed during sampling.
Sends a GPS every 24 hours (RSU-GPS only).
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Sends a GPS report when transition from-motion-to-still is determined and
remains so for more than 10 minutes (RSU-GPS only).
4.4 Installing a RSU

4.5 Configuring a RSU

4.6 Maintaining a RSU

4.6.1 Replacing a RSU Battery

4.7 RSU 2.4GHz Antenna Pattern
RSU antenna is mostly omnidirectional and provides good communication regardless of
the orientation. However, RSU antenna plain Figure 2: RSU antenna plains shows 2
weak spots. Measured antenna patterns are presented on Figure 3 and Figure 4 .
Figure 2: RSU antenna plains
Elevation
Plain
Phi=0
Azimuth
Plain
Theta=0
Weak
Elevation
Plain
Phi=90
Weak
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Figure 3: RSU normalized to Max signal from all orientations
Azimuth Plane
Theta=0
Elevation Plane
Phi=0
Elevation Plane
Phi=90
Figure 4: RSU normalized to Max signal from individual orientation
Azimuth Plane
Theta=0
Elevation Plane
Phi=0
Elevation Plane
Phi=90
4.8 RSU Sensor Characteristics

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Title                           : NGWC Mesh Network User Guide
Author                          : Steve Leonard
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Create Date                     : 2010:11:14 16:38:14
Modify Date                     : 2010:11:14 16:38:14
Producer                        : Microsoft® Office Word 2007

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