Iterative decoding for superposition modulation-based cooperative transmission

Authors:
Tao Yang;Jinhong Yuan
Affiliations:
University of NSW, Sydney, Australia;University of NSW, Sydney, Australia
Venue:
ISIT'09 Proceedings of the 2009 IEEE international conference on Symposium on Information Theory - Volume 1
Year:
2009

Citing 7
Cited 0

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Abstract

We propose a new superposition modulation-based cooperative diversity scheme and investigate receivers with iterative detection and decoding for the scheme, where we focus on a interference cancellation (IC) detector. We analyze the bit-error-probability (BEP) of the scheme and find the optimal power allocation. Simulation results are shown to be very close to the analytical results for a wide range of signal-to-noise ratios (SNRs). It is also demonstrated that the proposed scheme is about 2-3.5 dB better than the system previously proposed in the literature.