Abstract
We consider a combined power/code rate adaptation in Reed-Solomon (RS) coded frequency-hopped spread-spectrum multiple access (FH/SSMA) communications, where the transmission power and code rate are adapted simultaneously relative to the channel traffic and channel fading. We investigate the optimal transmission strategy that minimizes the required signal-to-noise ratio for a given error performance, and the performance improvement provided by the optimal strategy over adaptive code rate control and adaptive power control. We show that the combined power/rate control provides an asymptotic power gain of 5.67 dB over adaptive code rate control.
Published Version
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