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Base station subsystem, the Glossary

The base station subsystem (BSS) is the section of a traditional cellular telephone network which is responsible for handling traffic and signaling between a mobile phone and the network switching subsystem.^[1]

63 relations: A-law algorithm, Adaptive differential pulse-code modulation, Adjacent-channel interference, Air interface, Amplifier, Antenna (radio), Authentication, Authorization, Base station, Base transceiver station, Broadcast control channel, Broadcasting, Carrier wave, Cell site, Cellular network, Cellular repeater, Co-channel interference, Concentrator, Directional antenna, Encryption, Enhanced Data rates for GSM Evolution, Ericsson, Fading, Federal Communications Commission, Frequency, Frequency modulation, Frequency-hopping spread spectrum, Frequency-shift keying, G.711, Gaussian filter, General Packet Radio Service, GPRS core network, GSM, Handover, Ireland, LAPDm, Long-term prediction (communications), Low-pass filter, Minimum-shift keying, Mobile phone, Mobile station, Multipath propagation, Network switching subsystem, Nokia, OpenBTS, Pager, Phase-shift keying, Picocell, Power control, Public switched telephone network, ... Expand index (13 more) »

A-law algorithm

An A-law algorithm is a standard companding algorithm, used in European 8-bit PCM digital communications systems to optimize, i.e. modify, the dynamic range of an analog signal for digitizing.

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Adaptive differential pulse-code modulation

Adaptive differential pulse-code modulation (ADPCM) is a variant of differential pulse-code modulation (DPCM) that varies the size of the quantization step, to allow further reduction of the required data bandwidth for a given signal-to-noise ratio.

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Adjacent-channel interference

Adjacent-channel interference (ACI) is interference caused by extraneous power from a signal in an adjacent channel.

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Air interface

The air interface, or access mode, is the communication link between the two stations in mobile or wireless communication.

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Amplifier

An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or current).

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Antenna (radio)

In radio engineering, an antenna (American English) or aerial (British English) is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver.

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Authentication

Authentication (from authentikos, "real, genuine", from αὐθέντης authentes, "author") is the act of proving an assertion, such as the identity of a computer system user.

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Authorization or authorisation (see spelling differences) is the function of specifying access rights/privileges to resources, which is related to general information security and computer security, and to access control in particular.

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Base station

Base station (or base radio station) is – according to the International Telecommunication Union's (ITU) Radio Regulations (RR) – a "land station in the land mobile service." The term is used in the context of mobile telephony, wireless computer networking and other wireless communications and in land surveying. Base station subsystem and base station are telecommunications infrastructure.

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Base transceiver station

A base transceiver station (BTS) or a baseband unit (BBU) is a piece of equipment that facilitates wireless communication between user equipment (UE) and a network.

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Broadcast control channel

A broadcast control channel (BCCH) is a point to multipoint, unidirectional (downlink) channel used in the Um interface of the GSM cellular standard. Base station subsystem and broadcast control channel are GSM standard.

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Broadcasting

Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum (radio waves), in a one-to-many model.

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Carrier wave

In telecommunications, a carrier wave, carrier signal, or just carrier, is a periodic waveform (usually sinusoidal) that carries no information that has one or more of its properties modified (the called modulation) by an information-bearing signal (called the message signal or modulation signal) for the purpose of conveying information.

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Cell site

A cell site, cell phone tower, cell base tower, or cellular base station is a cellular-enabled mobile device site where antennas and electronic communications equipment are placed (typically on a radio mast, tower, or other raised structure) to create a cell, or adjacent cells, in a cellular network. Base station subsystem and cell site are telecommunications infrastructure.

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Cellular network

A cellular network or mobile network is a telecommunications network where the link to and from end nodes is wireless and the network is distributed over land areas called cells, each served by at least one fixed-location transceiver (typically three cell sites or base transceiver stations). Base station subsystem and cellular network are telecommunications infrastructure.

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Cellular repeater

A cellular repeater (also known as cell phone signal booster or cell phone signal amplifier) is a type of bi-directional amplifier used to improve cell phone reception. Base station subsystem and cellular repeater are telecommunications infrastructure.

See Base station subsystem and Cellular repeater

Co-channel interference

Co-channel interference or CCI is crosstalk from two different radio transmitters using the same channel.

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Concentrator

In telecommunication, the term concentrator has the following meanings.

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Directional antenna

A directional antenna or beam antenna is an antenna which radiates or receives greater radio wave power in specific directions.

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Encryption

In cryptography, encryption is the process of transforming (more specifically, encoding) information in a way that, ideally, only authorized parties can decode.

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Enhanced Data rates for GSM Evolution

Enhanced Data rates for GSM Evolution (EDGE), also known as 2.75G, Enhanced GPRS (EGPRS), IMT Single Carrier (IMT-SC), and Enhanced Data rates for Global Evolution, is a 2G digital mobile phone technology for data transmission. Base station subsystem and Enhanced Data rates for GSM Evolution are GSM standard.

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Ericsson

Telefonaktiebolaget LM Ericsson, commonly known as Ericsson, is a Swedish multinational networking and telecommunications company headquartered in Stockholm.

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Fading

In wireless communications, fading is the variation of signal attenuation over variables like time, geographical position, and radio frequency.

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Federal Communications Commission

The Federal Communications Commission (FCC) is an independent agency of the United States government that regulates communications by radio, television, wire, satellite, and cable across the United States.

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Frequency

Frequency (symbol f), most often measured in hertz (symbol: Hz), is the number of occurrences of a repeating event per unit of time.

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Frequency modulation

Frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave.

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Frequency-hopping spread spectrum

Frequency-hopping spread spectrum (FHSS) is a method of transmitting radio signals by rapidly changing the carrier frequency among many frequencies occupying a large spectral band.

See Base station subsystem and Frequency-hopping spread spectrum

Frequency-shift keying

Frequency-shift keying (FSK) is a frequency modulation scheme in which digital information is encoded on a carrier signal by periodically shifting the frequency of the carrier between several discrete frequencies.

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G.711

G.711 is a narrowband audio codec originally designed for use in telephony that provides toll-quality audio at 64 kbit/s.

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Gaussian filter

In electronics and signal processing, mainly in digital signal processing, a Gaussian filter is a filter whose impulse response is a Gaussian function (or an approximation to it, since a true Gaussian response would have infinite impulse response).

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General Packet Radio Service

General Packet Radio Service (GPRS), also called 2.5G, is a mobile data standard on the 2G cellular communication network's global system for mobile communications (GSM).

See Base station subsystem and General Packet Radio Service

GPRS core network

The GPRS core network is the central part of the general packet radio service (GPRS) which allows 2G, 3G and WCDMA mobile networks to transmit Internet Protocol (IP) packets to external networks such as the Internet. Base station subsystem and GPRS core network are telecommunications infrastructure.

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GSM

The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation (2G) digital cellular networks used by mobile devices such as mobile phones and tablets. Base station subsystem and GSM are GSM standard.

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Handover

In cellular telecommunications, handover, or handoff, is the process of transferring an ongoing call or data session from one channel connected to the core network to another channel.

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Ireland

Ireland (Éire; Ulster-Scots: Airlann) is an island in the North Atlantic Ocean, in north-western Europe.

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LAPDm

LAPDm in telecommunications is a data link layer protocol used in GSM cellular networks.

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Long-term prediction (communications)

In GSM, a Regular Pulse Excitation-Long Term Prediction (RPE-LTP) scheme is employed in order to reduce the amount of data sent between the mobile station (MS) and base transceiver station (BTS). Base station subsystem and Long-term prediction (communications) are GSM standard.

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Low-pass filter

A low-pass filter is a filter that passes signals with a frequency lower than a selected cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency.

See Base station subsystem and Low-pass filter

Minimum-shift keying

In digital modulation, minimum-shift keying (MSK) is a type of continuous-phase frequency-shift keying that was developed in the late 1950s by Collins Radio employees Melvin L. Doelz and Earl T. Heald.

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Mobile phone

A mobile phone or cell phone is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area, as opposed to a fixed-location phone (landline phone).

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Mobile station

A mobile station (MS) comprises all user equipment and software needed for communication with a mobile network. Base station subsystem and mobile station are telecommunications infrastructure.

See Base station subsystem and Mobile station

Multipath propagation

In radio communication, multipath is the propagation phenomenon that results in radio signals reaching the receiving antenna by two or more paths.

See Base station subsystem and Multipath propagation

Network switching subsystem

Network switching subsystem (NSS) (or GSM core network) is the component of a GSM system that carries out call out and mobility management functions for mobile phones roaming on the network of base stations. Base station subsystem and network switching subsystem are GSM standard and telecommunications infrastructure.

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Nokia

Nokia Corporation (natively Nokia Oyj in Finnish and Nokia Abp in Swedish, referred to as Nokia) is a Finnish multinational telecommunications, information technology, and consumer electronics corporation, originally established as a pulp mill in 1865.

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OpenBTS

OpenBTS (Open Base Transceiver Station) is a software-based GSM access point, allowing standard GSM-compatible mobile phones to be used as SIP endpoints in Voice over IP (VoIP) networks. Base station subsystem and OpenBTS are GSM standard.

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A pager, also known as a beeper or bleeper, is a wireless telecommunications device that receives and displays alphanumeric or voice messages.

See Base station subsystem and Pager

Phase-shift keying

Phase-shift keying (PSK) is a digital modulation process which conveys data by changing (modulating) the phase of a constant frequency carrier wave.

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Picocell

A picocell is a small cellular base station typically covering a small area, such as in-building (offices, shopping malls, train stations, stock exchanges, etc.), or more recently in-aircraft.

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Power control

Power control, broadly speaking, is the intelligent selection of transmitter power output in a communication system to achieve good performance within the system.

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Public switched telephone network

The public switched telephone network (PSTN) is the aggregate of the world's telephone networks that are operated by national, regional, or local telephony operators.

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Pulse-code modulation

Pulse-code modulation (PCM) is a method used to digitally represent analog signals.

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Radio propagation

Radio propagation is the behavior of radio waves as they travel, or are propagated, from one point to another in vacuum, or into various parts of the atmosphere.

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Siemens

Siemens AG is a German multinational technology conglomerate.

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Signal transmission

In telecommunications, transmission is the process of sending or propagating an analog or digital signal via a medium that is wired, wireless, or fiber-optic.

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Signalling System No. 7

Signalling System No.

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Telecom infrastructure sharing

Due to economy of scale property of telecommunication industry, sharing of telecom infrastructure among telecom service providers is becoming the requirement and process of business in the telecom industry where competitors are becoming partners in order to lower their increasing investments. Base station subsystem and telecom infrastructure sharing are telecommunications infrastructure.

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Time-division multiple access

Time-division multiple access (TDMA) is a channel access method for shared-medium networks.

See Base station subsystem and Time-division multiple access

Time-division multiplexing

Time-division multiplexing (TDM) is a method of transmitting and receiving independent signals over a common signal path by means of synchronized switches at each end of the transmission line so that each signal appears on the line only a fraction of time according to agreed rules, e.g. with each transmitter working in turn.

See Base station subsystem and Time-division multiplexing

References

[1] https://en.wikipedia.org/wiki/Base_station_subsystem

Also known as Base Station Controller, Base Transciever Station, Base-station subsystem, Packet Control Unit.

, Pulse-code modulation, Radio propagation, Siemens, Signal transmission, Signalling System No. 7, Telecom infrastructure sharing, Time-division multiple access, Time-division multiplexing, Transceiver, Transcoding, TRAU, Um interface, Wavelength.

Base station subsystem, the Glossary

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References