BEAM FORMING MQAM
2016-08-23
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Uncoded adaptive M-QAM transmission over flat
Rayleigh fading channels is here optimized in a novel way in the
presence of channel prediction errors. The modulation rate is
determined based on the predicted channel state. The modulation
rate limits are adjusted by maximizing the throughput in errorfree
link-level frames, averaged over the pdf of the true channel
state. No bit error rate constraint is imposed. This approach is
appropriate when fast link-level retransmissions can be used to
attain required error levels. The resulting scheme is evaluated
Rayleigh fading channels is here optimized in a novel way in the
presence of channel prediction errors. The modulation rate is
determined based on the predicted channel state. The modulation
rate limits are adjusted by maximizing the throughput in errorfree
link-level frames, averaged over the pdf of the true channel
state. No bit error rate constraint is imposed. This approach is
appropriate when fast link-level retransmissions can be used to
attain required error levels. The resulting scheme is evaluated
matlab
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形成
MQAM
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