Wireless transmission with variable code rate
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United States of America Patent
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Issued Date -
Feb 2, 2006
app pub date -
Jan 20, 2003
filing date -
Jan 18, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A wireless communication system uses an adaptive air interface in which burst parameters are variable on a burst-by-burst basis, based on the reception quality of previous bursts and/or properties of the receiver or receivers of the burst. The parameter values are selected as sets which represent only some of the possible combinations of parameter values, to avoid redundancy in performance characteristics. Coding rates are selected to give a substantially constant increment in gain. Each burst may contain multiple FEC blocks with different coding rates. A unique word indicates the FEC coding rate of the first block and the first block identifies the coding rate of each of the subsequent blocks.
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