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Yingsong Huang, Shiwen Mao and Yihan Li On downlink power allocation for multiuser variable-bit-rate video streaming Security and Communication Networks 6

Version of Record online: 9 NOV 2012 | DOI: 10.1002/sec.642

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In this paper, we study the problem of power allocation for streaming multiple variable-bit-rate videos in the downlink of a cellular network. We analyze the convexity conditions of the formulated problem on optimal downlink power allocation for the variable-bit-rate video sessions and propose a two-step greedy approach to solve the problem. A distributed algorithm based on dual decomposition is also developed, which can be incorporated into the two-step solution procedure.

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