channel coding

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channel coding

A way of encoding data in a communications channel that adds patterns of redundancy into the transmission path in order to lower the error rate. Such methods are widely used in wireless communications. See convolutional code and Viterbi decoder.
References in periodicals archive ?
Coded cooperation achieves space diversity by forwarding different segments of a channel code through different paths.
Adaptive modulation provides many parameters that can be adjusted relative to the channel fading, including data rate, transmit power, instantaneous BER, symbol rate, and channel code rate or scheme.
The CCDF statistical function allows a system's peak power and stress to be measured under different channel code conditions.
These words are encoded by the same linear channel code [GAMMA] into the codewords [c.
4] In the case of OVSF codes, this results in higher code domain noise for channels with code assignments consecutive to the active channel code.
In the QF scheme, the LDPC codes are the candidate of the proper channel code words used in this cooperation.
Legislative Environment - Reform of the Booking Channel Code of Conduct
The developed three schemes include: 1) Operational rate that incorporates the performance drop of a practical channel code which is inferior to an ideal code due to finite length and other design limitations.
The detector in the Bramante chip is a 16-state Trellis-Viterbi matched to the channel code.
Reliability for Heterogeneous Receivers: The FEC must provide different channel code rates for different receivers according to their channel conditions in order to achieve receiver fairness.
It also includes Traffic Message Channel codes on motorways in Austria, Denmark, Germany, Italy, The Netherlands, Sweden and Switzerland.