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Cost-Delay Trade off of Network Coding in Asymmetric Two-Way Relay Networks

Cost-Delay Trade off of Network Coding in Asymmetric Two-Way Relay Networks,10.1109/ISNETCOD.2011.5978917,Lianghui Ding,Feng Yang,Liang Qian,Lu Liu,Pi

Cost-Delay Trade off of Network Coding in Asymmetric Two-Way Relay Networks  
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In this paper, we analyze and evaluate the cost- delay trade off of opportunistic network coding in a two-way relay network with asymmetric arrival rates. We first formulate the variance of the queue into a Markov chain and derive the transition probability and the stationary distribution. Then we analyze the average power cost and delay, formulate the optimal power-delay trade off, and propose a heuristic discrete solution. After that, we present numerical results on the performance of the discrete solution. Keywords—Cost-Delay Trade Off, Network Coding, Two-Way Relay Networks
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