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Combined power and rate adaptation for wireless cellular systems

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3 Author(s)
C. C. Chai ; Inst. for Infocomm Res., Singapore ; Tjeng Thiang Tjhung ; Leng Chye Leck

We extend the throughput optimization technique of Qiu and Chawla (1999) for adaptive modulation, to combine power and rate adaptation in wireless cellular systems. We develop new combined power and rate control algorithms for wireless multimedia systems, in which the transmitted powers and rates of different media users are adapted based on the signal-to-interference power ratio. Using simulations, we show that with appropriately chosen power and rate limits, our proposed combined power and rate control algorithms can achieve a higher throughput when compared to previously proposed algorithms with power control only.

Published in:

IEEE Transactions on Wireless Communications  (Volume:4 ,  Issue: 1 )