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Model-Based Pilot and Data Power Adaptation in PSAM with Periodic Delayed Feedback

Lamahewa, Tharaka; Sadeghi, Parastoo; Kennedy, Rodney; Rapajic, Predrag


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]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: IEEE Transactions on Wireless Communications
DOI: 10.1109/TWC.2009.080526


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