Cisco Systems 2305-BTS2-R1 Base Station Transmitter User Manual Ripwave Base Station I C Guide
Cisco Systems, Inc Base Station Transmitter Ripwave Base Station I C Guide
Contents
Manual part 2
Navini Networks, Inc. Ripwave Base Station I&C Guide Glossary of Terms & Abbreviations Term 802.11 Stands For.... 802.11 Standard ACC ACK Access Channel or Access Code Channel Acknowledge AP Access Point AMI Alternate Mark Inversion ARP Address Resolution Protocol ARQ Automatic Repeat reQuest ASYNCH Asynchronous AWG American Wire Gauge ATM Asynchronous Transfer Mode B8ZS Biploar 8-Zero Substitution BB BBU Broadband Battery Backup Unit BCC BoM Broadcast Code (or Control) Channel Bill of Materials BS Base Station BTS Base Transceiver Station BW Bandwidth BYTE Byte Meaning An IEEE LAN standard for wireless Ethernet replacement technology in the ISM band. Runs at up to 10 Mbps. AKA, Paging Channel. The signal path that tells a mobile to prepare for an incoming call. Positive message sent by a protocol to acknowledge reception of a transmitted packet Wireless LAN transceiver that acts as a center point of an allwireless network or as a connection point between wireless and wired networks. Old method for encoding data on a 64 kbps channel, which requires 8 kbps to maintain synchronization, leaving only 56 kbps available to transmit data The function of the ARP is to match higher-level network IP addresses with the physical hardware address of a piece of equipment. A protocol for error control in data transmission that automatically requests the transmitter to resend a packet when the receiver detects an error in the packet. Not occurring at regular intervals, as in data piped over a network A measure of thickness of copper, aluminum or other wiring in the U.S. Transporting a broad range of user data at irregular intervals over network facilities An encoding method used on T1 circuits that inserts two successive ones of the same voltage - referred to as a bipolar violation - into a signal whenever eight consecutive zeros are transmitted. RF system with constant data rate of 1.5 Mbps or higher. Equipment used to keep a BTS operating in the event of a power outage A channel of data transmitted by one entity and received by many devices. List of the actual equipment to be manufactured and shipped to the installation site. Network Access equipment and software that transmits and receives, as well as processes, voice or data calls from mobile units to network connections. A Ripwave Base Station consists of the Base Transceiver Station (BTS) and the Radio Frequency Subsystem (RFS), or antenna, plus a Global Positioning System (GPS) antenna for timing. The Ripwave BTS is a two-shelf rack that holds the RF modules and digital circuit cards that interpret radio signals into computer language and sends messages to and from the local or wide area network. It functions between the RFS and the EMS to handle the signaling. Frequency spectrum usable for data transfers. It describes the maximum data rate that a signal can attain on the medium without encountering significant loss of power. Usually expressed in bits per second (digital) or Hertz (analog). 8 bits 12 Navini Networks, Inc. Term CAM CBR CC CD CDMA CD-ROM CDVT CHP CLEC CLI CORBA CPE D4 dB dBd Ripwave Base Station I&C Guide Stands For.... Meaning Configuration & Alarm Manager or 1An EMS functionality that is handled through a Graphical User Interface for purposes of configuring elements in the Content Addressable Memory system and handling other OAM requirements. 2Module of the BTS software used to provide mappings of users to channels. Constant Bit Rate One of the two service categories available for the Management PVC in the ATM/T1 BTS configuration (the other one is UBR) Communications Controller or A type of circuit card that resides in the Digital shelf of the Ripwave BTS. It handles all interfaces between BTS and Cross-check network. 2An EMS functionality that allows the system to perform an automated sanity check of the datafill. Compact Disk or 2Change Directory 1An optical disk capable of storing large amounts of data (700x floppy disk). It can be inserted into most PCs and “read” to load files onto a computer 2A software programming term in “C” language that tells the computer to go to a different location in the computer’s memory. Code Division Multiple Access Digital cellular technology that uses a spread-spectrum technique where individual conversations are encoded with a random digital sequence. Increases capacity and speed of communications messages between mobile units over other types of wireless networks. Compact Disk - Read Only Memory See “CD.” If a CD is not Read Only, computers can write data to it with that capability. Cell Delay Variation Tolerance Delay variation parameter required by UBR and CBR. Channel Processor Card A card in the digital shelf of the BTS that performs the first stage of signal processing for up to 4 antennae. One Navini 2.4 GHz BTS has 8 antennae. The card performs digital-to-analog conversion (DAC) and analog-to-digital conversion (ADC) for up to 10 carriers. Competitive Local Exchange Carrier A telephone company that competes with an incumbent Local Exchange Carrier (LEC). Command Line Interface A text-based programming language through which a user communicates with an operating system or an application. Common Object Request Broker A standard for Network Management Systems that allows Agent integration with NMS regardless of programming language or Operating System. Customer Premise Equipment Communications equipment (Modem) that resides at the customer’s location. D4 A framing standard for traditional time-division multiplexing, which standard describes user channels multiplexed onto a trunk that has been segmented (framed) into 24 bytes of 8 bits each. (See also ESF.) Decibel A logarithmic expression of the ratio between two signal power, voltage, or current levels. A decibel is one-tenth of a Bel, a seldom-used unit named for Alexander Graham Bell, inventor of the telephone. Decibel/Dipole A ratio, measured in decibels, of the effective gain of an antenna compared to a dipole antenna (2 horizontal rods in line with each other). The greater the dBd value the higher the gain and therefore the more acute the angle of coverage. 13 Navini Networks, Inc. Term dBi DHCP DiffServ DIR DL DNS DS-1 DSL DSP EID EMS enet ERP ESF FCC FE FEC FTP Ripwave Base Station I&C Guide Stands For.... Decibel/Isotropic Meaning A ratio, measured in decibels, of the effective gain of an antenna compared to an isotropic antenna (measured along axes in all directions). The greater the dBi value the higher the gain and therefore the more acute the angle of coverage. Dynamic Host Configuration A protocol for dynamically assigning IP addresses to devices Protocol on a network. Differentiated Service Different Quality of Service (QoS) descriptions for different types of traffic, i.e., voice, video, email. The DiffServ table is where each level of QoS is defined. Equivalent to Class of Service (COS) in POTS. Directory A special kind of file used to organize other files into a hierarchical structure. DownLink In this case, data messages transmitted from the BTS to the Modem. Domain Name Server TCP/IP networking term that is a protocol for matching objects to network (IP) addresses. Digital Signal - 1 Also “T1” or “E1”. Digital transmission equipment that can handle up to 1.544 Mbps. Digital Subscriber Line A type of service whereby users gain access to the Internet through high-speed data networks. Digital Signal Processing/Processor Compressing or manipulating analog signals to digital signals and vice-versa. Equipment Identifier Field in EMS for assigning IP address or name to individual pieces of equipment for purposes of configuring the system. Element Management System An application that allows the user to define and manipulate managed objects as a system within an overall network. Ethernet The most widely-installed local area network (LAN) technology. Ethernet is specified in the IEEE 802.3 standard and typically uses coaxial cable or special grade of twisted pair wires. Effective Radiated Power The actual power in Watts radiated from a transmitter’s antenna. Extended Superframe In T-carrier, a synchronization frame that delineates 24 DS1 frames Note: ESF requires less frequent synchronization than the T-carrier D4 superframe format. (See also D4.) Federal Communications United States government regulatory agency that supervises, Commission licenses and otherwise controls electronic and electromagnetic transmission standards. Far End A relative term that refers to the receiving element in a network, as opposed to the near-end element that is transmitting data. Forward Error Correction or A system of error control for data transmission wherein the receiving device has the capability to detect and correct any Fast Ethernet Controller character or code block that contains fewer than a predetermined number of symbols in error. 2A process created and attached during BTS booting for the 10/100 Ethernet ports on the BTS. File Transfer Protocol A TCP/IP method consisting of a client and server and used to transfer files between two or more sites or elements in a network. 14 Navini Networks, Inc. Term Gain Stands For.... Gain Gb GB GHz Gigabit Gigabyte Gigahertz GPS Global Positioning System GUI Graphical User Interface HW Hz I&C Hardware Hertz Installation & Commissioning IEC Inter-exchange Carrier IF Interface Card IMA Inverse Multiplexing over ATM inet Internet IP Internet Protocol ISM ISP Kb KB KHz L1 Industrial, Scientific and Medical Internet Service Provider Kilobit Kilobyte Kilohertz Layer 1 L2 Layer 2 L3 Layer 3 LAN Local Area Network Ripwave Base Station I&C Guide Meaning Ratio of the output amplitude of a signal to the input amplitude of a signal, expressed in decibels (dB). One billion (1,000,000,000) bits. One billion (1,000,000,000) bytes. One billion (1,000,000,000) hertz - cycles per second. Ultra high frequency (UHF) signals, including microwave signals. A constellation of 24 well-spaced satellites that orbit the earth and enable users with GPS antennas to pinpoint their exact geographical position. A graphic rather than purely text based user interface to a computer or computing system. Physical, tangible equipment 1 cycle per second. Term used to describe the procedures of physically installing technical equipment then powering up the equipment to make sure it will operate (to put it “into commission”). Also IXC. Public switching network service provider (carrier) that connects across and between local exchange carriers (LEC). Card on the digital shelf of the Ripwave BTS that takes the analog signal from the Channel Processor card (CHP) and converts it to a baseband signal before sending it on to the RF modules for transmission (forward link), and vice-versa (reverse link). A method of building dynamic routes of 2 or more T1s to increase bandwidth so that PVCs can share the IMA resources, as needed, for data transmissions. A worldwide system of computer networks in which users at any one computer can, if they have permission, get information from any other computer (and sometimes talk directly to users at other computers.) A TCP/IP protocol used to route data from its source to its destination. Unlicensed band around 2.4 MHz A company that provides access to the Internet. 1,024 bits 1,024 bytes 1,000 hertz. Physical Layer. Part of the OSI rules and standards for network management. L1 describes the physical layer, or electrical and mechanical port-to-port connections, in the network. Data Link Layer. Part of the OSI rules and standards for network management. L2 describes the data link layer where data is set up and torn down in a specific format (frames), through the overall network. Also responsible for detecting and correcting errors by requesting retransmission. Network Layer. Part of the OSI rules and standards for network management. L3 describes the network addressing that gets data to its destination within the network, i.e., IP addressing. A data network of interconnected computers, servers, printers, and other peripherals that communicate at high speeds over short distances, usually within the same building. Also allows for sharing of resources. 15 Navini Networks, Inc. Term LCP Stands For.... Link Control Protocol LED Light-emitting Diode LLC Logical Link Controller LOS Line-of-sight MAC Media Access Control Mb MB Mbps MCBS MDM Megabit Megabyte Megabits Per Second Multi-Carrier Beam Forming Synchronized Modem Card MHz Megahertz MIB Management Information Base MMDS NE Multipoint Multi-channel Distribution Service Near-end or 2Network Element NEC National Electrical Code NIC Network Interface Card NLOS Non Line-of-site NMS Network Management System NOC Network Operations Center Ripwave Base Station I&C Guide Meaning Basis of the Point-to-Point Protocol (PPP) scheme for negotiating and establishing connections. An electronic device that lights up when electricity passes through it. Often used to indicate equipment or system state. A protocol that governs the transition of frames between data stations regardless of how the medium is shared. It’s the upper sub-layer that further defines the Media Access Control (MAC) protocol. It provides the basis for an unacknowledged connectionless service on a LAN - i.e., error correction, multiplexing, broadcasting. Describes laser, microwave, RF, and infrared transmission systems that require no obstruction in a direct path between the transmitter and the receiver. Protocol that governs access to a network in order to transmit data between nodes. In a wireless LAN, the MAC is the radio controller protocol (L2). One million (1,000,000) bits. One million bytes. Literally - 1,048,576 bytes. Transmission speed at rate of one million bytes per second. Multiple Access technology used by Navini Ripwave systems A card in the Navini BTS that converts digital signals into analog so the signals can be transmitted over telephone lines, and viceversa. Modem stands for modulator/demodulator. One million (1,000,000) hertz - cycles per second. Normally used to refer to how fast a microprocessor can execute instructions. A collection of managed objects used in SNMP-based networks. MIBs carry information in a standard format so external tools can analyze network management and performance. Fixed wireless, high-speed local service that operates at 2.1 - 2.7 GHz. Speed 10 Mbps. Originally conceived for cable TV service. The transmitting end, versus the receiving end, of a signal transmission. 2 A router, switch, or hub in an ISDN network. Official rules and regulations that apply to the installation of electrical equipment in the U.S. A computer circuit board or card that is installed in a computer so that it can be connected to a network. Network interface cards provide a dedicated, full-time connection to a network. Describes laser, microwave, RF, and infrared transmission systems that can penetrate obstructions in the path between the transmitter and the receiver. A product that helps manage a network generally hosted on a well-equipped computer such as an engineering workstation. The system tracks network statistics and resources. A centralized point, much like a traffic control tower, where technicians or engineers can monitor network activity, alarms, and statistics, as well as make network configuration and other changes dynamically. For Internet, the NOC is often a hub for ISP services. 16 Navini Networks, Inc. Term OAM OS OSI OTA PC PCB PDU Ping PPPoE Propagation PSK PSN PSTN PVC QAM QoS RAM RBW Ripwave Base Station I&C Guide Stands For.... Operation, Administration, Maintenance Meaning A set of network management functions. Also describes the human-machine interface tasks - i.e., to operate the system, to administer the system, and to maintain the system. Operating System A software program that manages the basic operation of a computer. Most Operating Systems are either based on Open Systems Interconnection An ISO model for worldwide communications that defines 7 layers of network protocol: L1 Physical Layer; L2 Data Link Layer; L3 Network Layer; L4 Transport Layer; L5 Session Layer; L6 Presentation Layer; L7 Application Layer. Over-the-Air A standard for the transmission and reception of applicationrelated information in a wireless communications system. Personal Computer Any IBM-compatible computer, so named because IBMs first commercial end user computer was called a PC. Printed Circuit Board A hardware module that holds electronic circuitry and usually fits into a larger frame where the various PCBs are interconnected electronically. Packet Data Unit or Protocol Data A data packet. Refers to that which is exchanged between peerUnit layer entities. Contains header, data, and trailer information. Ping Generalized term from sonar science, where a short sound burst is sent out and an echo or “ping” is received. Used to determine if signals or packets have been dropped, duplicated, or reordered. Point-to-point Protocol Over A protocol that allows dial-up Internet connections. Includes the Ethernet Link Control Protocol as well as Network Control Protocols. Propagation To spread out and affect a greater area; travel through space, as in radio waves. Phase Shift Keying Digital transmission term that means an angle modulation where the phase of the carrier varies in relation to a reference or former phase. An encoded shift. Each change of phase carries one bit of information, where the bit rate equals the modulation rate. Packet Switched Network A network in which data is transferred in units called packets. Packets can be routed individually and reassembled to form a complete message at the definition. Public Switched Telephone Typically used in the same context as POTS. Analogous to a Network network of major highways originally built by a single organization but added to and expanded by multiple organizations. AKA, backbone networks. Private Virtual Circuit A software-defined logical connection between end points in a network. Quadrature Amplitude ModulationA bandwidth conservation process routinely used in modems. Creates higher throughput but decreased coverage area. Quality of Service A guaranteed throughput for critical network applications, such as Voice over IP. Term primarily used in an ATM environment. Five classes of service: Class 1 Video; Class 2 Audio; Class 3 Data Connection. Random Access Memory or Computer memory that can be accessed randomly. 2A document created during the BTS installation and Commissioning, defining Responsibility Assign Matrix who is responsible for performing each task. Resolution Band Width A parameter set on the spectrum analyzer during insertion loss measurements 17 Navini Networks, Inc. Term RF RFS RH RMS RS RSSI Rx S-CDMA SELV SLIP SMDS SMS SNMP SNR SO/HO SoW SSI SW SYN SYNCH Ripwave Base Station I&C Guide Stands For.... Radio Frequency Meaning A portion of the electromagnetic spectrum in the frequency range between audio and infrared: 100 KHz to 20 GHz. RF measurements are expressed in Hz (unit for measuring frequency); MHz = 1 Million Hz; GHz = 1 Billion Hz. Radio Frequency Subsystem A term for the antenna portion of the base station. Relative Humidity The amount of water vapor in the air, given as the percent of saturation humidity, generally calculated in relation to saturated vapor density. Root mean Square The most common mathematical method of defining the effective voltage or current of an AC wave Reed-Solomon Reed-Solomon codes are block-based error correcting codes with a wide range of applications in digital communications. Receiver Signal Strength Indicator A term that describes the measure of the signal strength in kilohertz or gigahertz between the transmission and the receiving end. Receive An abbreviated way of expressing the term, receive, as in to receive a transmission. Synchronous Code Division Wireless technology based on data being transferred at a fixed Multiple Access rate using Code Division Multiple Access algorithms. Safety Extra Low Voltage A secondary circuit which is designed and protected in such a way that, under normal operative conditions or under a single fault condition, its voltage does not exceed a safe value. Serial Line Internet Protocol A TCP/IP protocol used for communication between two machines that are previously configured for communication with each other. Switched Multi-megabit Data Connectionless service for MAN/WAN based on 53-byte packets Service that target the interconnection of different LANs into a public switched network at speeds higher than T1. Short Message Service or A protocol that allows mobile users to send text-based messages from one device to another. The text appears on a device’s screen Systems Management Server and may be a maximum 160 characters in length. 2A Windows NT process that allows a network administrator to inventory all hardware and software on the network, then perform software distribution over the LAN. Simple Network Management Standard management request-reply protocol for managing Protocol TCP/IP networks. A device is said to be SNMP compatible if it can be monitored or controlled using SNMP messages. Signal-to-noise Ratio Related to RSSI, a measurement of the intended signal being transmitted against the other entities that can interfere with the signal. Small Office/Home Office Small, remote office with a MAN or WAN connection back to a larger corporate network and/or the Internet. Statement of Work A document outlining the general activities that must be conducted in order to complete the installation and commissioning tasks for a Ripwave Base Station Signal Strength Indicator See “RSSI”. Software Computer instructions or data. Synthesizer Card A circuit card in the Navini BTS digital shelf that provides a local oscillator and system clock with a single calibration transceiver. The card is used to calibrate the Base Station so that no external spectrum analyzer or signal generator is required. Synchronous Digital packets or signals that are sent at the same, precisely clocked fixed rate of speed. 18 Navini Networks, Inc. Term TCC TCP TCP/IP TDD TFFS TTL Tx UBR UDP UL USB VCC VCI VCL Vector VPC VP Ripwave Base Station I&C Guide Stands For.... Meaning Traffic Channel or 2Transmission 1A portion of a radio channel used to enable transmission of one Control Code direction of a digitized voice conversation (as opposed to the Voice Channel). 2A way of segregating traffic in order to define controlled communities of interest among subscribers. Transport Control Protocol A standardized transport protocol between IP-based network nodes that allows two hosts to establish a connection and exchange streams of data. TCP operates on top of Internet Protocols and handles the multiplexing of sessions, error recovery, reliability and flow; it guarantees packets are delivered in the same order in which they were sent. Transport Control A set of protocols that allows cooperating computers to share Protocol/Internet Protocol resources across the network. TCP provides the reliability in the transmission, while IP provides connectionless packet service. Time Division Duplex A digital transmission method that combines signals from multiple sources and allows a single channel to alternately carry data in each direction of a link. True Flash File System Memory in a computing device that does not lose its information when powered off. Available as a SIMM or PCMCIA card, it usually stores router Operating System (OS) software. Can be easily updated. Time-to-live A field in the Internet Protocol that specifies how many more hops a packet can travel before being discarded or returned. Transmit To send by wire or other medium electronically or through air via electromagnetic waves to a receiving communications device. Unspecified Bit Rate One of the two service categories available for the Management PVC in the ATM/T1 BTS configuration (the other one is CBR) User Datagram Protocol A communications protocol that offers a limited amount of service when messages are exchanged between computers in a network that uses the Internet Protocol (IP). UDP is an alternative to the Transmission Control Protocol (TCP.) UpLink Describes the direction of signal flow being sent from a subscriber to a network system, as in from a mobile device (Modem) to a base station. Universal Serial Bus An external bus standard for plug-and-play interfaces between a computer and add-on devices, such as a mouse, modem, keyboard, etc. One USB port can connect up to 127 devices. Virtual Channel Circuit AKA, Virtual Channel Connection or Virtual Circuit Connection. A logical circuit made up of Virtual Channel Links, which carry data between two end points in an ATM network. Virtual Channel Identifier A 16-bit value in the ATM cell header that provides a unique identifier for the Virtual Channel that carries that particular cell. Virtual Channel Link A connection between two ATM devices. Vector A quantity representative of both magnitude and direction (energy + orientation in space) Virtual Private Channel AKA, Virtual Path Connection. A grouping of Virtual Channel Connectors, which share one or more contiguous VPLs. Virtual Path A set of Virtual Channels grouped together between cross-points (i.e., switches). 19 Navini Networks, Inc. Term VPI VPL WAN WCS WEC Ripwave Base Station I&C Guide Stands For.... Virtual Path Identifier Meaning An 8-bit value in the cell header that identifies the VP as well as the VC to which the cell belongs. The VPI + VCI identify the next destination of a cell as it passes through a series of ATM switches. Virtual Path Link A group of unidirectional VCLs with the same end points in a Virtual Path. Grouping VCLs into VPLs reduces the number of connections to be managed. One or more VPLs makes up a VPC. Wide Area Network or A communications network that spans geographically separate areas and which provide long-haul services. Examples of interWireless Access Network networked connections are frame relay, SMDS, and X.25 protocols. 2 General term for any product primarily used to gain access to the Internet, as opposed to being part of the actual Internet devices or software. Wireless Communication Service Licensed band around 2.3 GHz WAN Ethernet Controller Process created during BTS booting and attached to the stack to perform RFC1483 Ethernet bridging onto the ATM interface. 20
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