Method and apparatus for concatenated channel coding with variable code rate and coding gain in a data transmission system
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United States of America Patent
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Nov 13, 2007
Grant Date -
May 12, 2005
app pub date -
Dec 17, 2004
filing date -
Dec 24, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system with one or more base stations is described having an outer code encoder to generate an outer code based, at least in part, on a plurality of data elements using an (N,K) Reed-Solomon (RS) code over FG(2.sup.m). N represents the length of the RS code, K the length of a message, and m the length of a symbol. The system includes an inner code encoder to generate an inner code based, at least partly, on the outer code using a (m+1, m) parity-check code. The system includes a radio frequency transmitter to transmit a signal based, at least in part, on the inner code and includes a plurality of customer premises equipment (CPE) stations. The CPE stations have a radio frequency receiver to receive the signal and a decoder to decode at least a portion of the data elements based, at least partly, on the received signal.
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