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convolutional code

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convolutional code
A type of channel coding that adds patterns of redundancy to the data in order to improve the signal-to-noise ratio (SNR) for more accurate decoding at the receiving end. The Viterbi algorithm is used to decode a particular type of convolutional code. See Viterbi decoder.
convolutional code [‚kän·vəlü·shən·əl ′kōd]
(communications)
An error-correcting code that processses incoming bits serially rather than in large blocks.


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Conventional channel code, such as convolutional code with a single transmit antenna, is used in the serial signal transmitter.
Chapters Include: 1 Information, Channel Capacity and Channel Modelling 2 Basic Principles of Non-Binary Codes 3 Non-Binary Block Codes 4 Algebraic-Geometric Codes 5 List Decoding 6 Non-Binary Low Density Parity Check Codes 7 Non-Binary Convolutional Codes 8 Non-binary Turbo codes For more information visit http://www.
Comtech AHA's products include the AHA4540, a single chip Turbo Product Code encoder/decoder that achieves up to 155 Mbps throughput and up to 2-4 dB improvement over conventional FEC schemes, such as Reed-Solomon or convolutional codes.
 
 
 
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