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Optimal rate allocation for superposition coding in quasi-static fading channels

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4 Author(s)

Coding with a single fixed rate may not achieve the maximum throughput of a compound channel if the transmitter only has access to channel state statistics. Superposition coding for broadcast channels can be employed to increase the throughput. We study the optimal rate allocation for finite level superposition coding to maximize the throughput. Results show 2-level superposition coding is adequate to achieve most of the throughput gain in a quasi-static Rayleigh fading channel.

Published in:

Information Theory, 2002. Proceedings. 2002 IEEE International Symposium on

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