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Frequency-division multiple access

Index Frequency-division multiple access

Frequency division multiple access (FDMA) is a channel access method used in multiple-access protocols as a channelization protocol. [1]

23 relations: Channel (broadcasting), Channel access method, Code-division multiple access, Communication channel, Communications satellite, COMSAT, Crosstalk, Data link layer, Demand assignment, Duplex (telecommunications), Frequency band, Frequency-division multiplexing, GSM, Intelsat, Multiplexing, Near–far problem, OSI model, Radio spectrum, Single channel per carrier, Space-division multiple access, Telecommunications link, Time-division multiple access, Transponder (satellite communications).

Channel (broadcasting)

In broadcasting, a channel or frequency channel is a designated radio frequency (or, equivalently, wavelength), assigned by a competent frequency assignment authority for the operation of a particular radio station, television station or television channel.

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Channel access method

In telecommunications and computer networks, a channel access method or multiple access method allows several terminals connected to the same multi-point transmission medium to transmit over it and to share its capacity.

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Code-division multiple access

Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies.

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Communication channel

A communication channel or simply channel refers either to a physical transmission medium such as a wire, or to a logical connection over a multiplexed medium such as a radio channel in telecommunications and computer networking.

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Communications satellite

A communications satellite is an artificial satellite that relays and amplifies radio telecommunications signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth.

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COMSAT

COMSAT (Communications Satellite Corporation) is a global telecommunications company, based in the United States, and with branches in Brazil, Argentina, Colombia, Mexico, Peru, Venezuela and several other countries in the Americas.

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Crosstalk

In electronics, crosstalk is any phenomenon by which a signal transmitted on one circuit or channel of a transmission system creates an undesired effect in another circuit or channel.

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Data link layer

The data link layer, or layer 2, is the second layer of the seven-layer OSI model of computer networking.

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Demand assignment

In telecommunication, a demand assignment is a method which several users share access to a communication channel on a real-time basis, i.e., a user needing to communicate with another user on the same network requests the required circuit, uses it, and when the call is finished, the circuit is released, making the circuit available to other users.

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Duplex (telecommunications)

A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in both directions.

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Frequency band

A frequency band is an interval in the frequency domain, delimited by a lower frequency and an upper frequency.

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Frequency-division multiplexing

In telecommunications, frequency-division multiplexing (FDM) is a technique by which the total bandwidth available in a communication medium is divided into a series of non-overlapping frequency bands, each of which is used to carry a separate signal.

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GSM

GSM (Global System for Mobile communications) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation digital cellular networks used by mobile devices such as tablets, first deployed in Finland in December 1991.

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Intelsat

Intelsat, S.A. is a communications satellite services provider.

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Multiplexing

In telecommunications and computer networks, multiplexing (sometimes contracted to muxing) is a method by which multiple analog or digital signals are combined into one signal over a shared medium.

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Near–far problem

The near–far problem or hearability problem is a situation that is common in wireless communication systems, in particular, CDMA.

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OSI model

The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology.

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Radio spectrum

The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3 000 GHz (3 THz).

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Single channel per carrier

Single channel per carrier (SCPC) refers to using a single signal at a given frequency and bandwidth.

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Space-division multiple access

Space-division multiple access (SDMA) is a channel access method based on creating parallel spatial pipes next to higher capacity pipes through spatial multiplexing and/or diversity, by which it is able to offer superior performance in radio multiple access communication systems.

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Telecommunications link

In telecommunications a link is a communication channel that connects two or more devices.

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Time-division multiple access

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

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Transponder (satellite communications)

A communications satellite's transponder is the series of interconnected units that form a communications channel between the receiving and the transmitting antennas.

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Redirects here:

FDMA, Frequency Division Multiple Access, Frequency division multiple access.

References

[1] https://en.wikipedia.org/wiki/Frequency-division_multiple_access

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