Model-Based Pilot and Data Power Adaptation in PSAM with Periodic Delayed Feedback
We consider the optimum design of pilot-symbolassisted modulation (PSAM) schemes with feedback. The received signal is periodically fed back to the transmitter through a noiseless delayed link and the time-varying channel is modeled as a Gauss-Markov process. We optimize a lower bound on the channel capacity which incorporates the PSAM parameters and Kalman-based channel estimation and prediction. The parameters available for the capacity optimization are the data power adaptation strategy,...[Show more]
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|Source:||IEEE Transactions on Wireless Communications|
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