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We first propose a discrete-time Markov queueing model for a wireless lossy butterfly network which employs opportunistic network coding and dynamic buffer allocation at the bottlenecked relay node. Unlike earlier studies - which assume two or more static buffers at the relay, one for each packet flow - we propose that the relay dynamically allocate buffer space to incoming packets without assuming...
We study the effect of the field size on the performance of random linear network coding for time division duplexing channels proposed in [1]. In particular, we study the case of a node broadcasting to several receivers. We show that the effect of the field size can be included in the transition probabilities of the Markov chain model of the system. Also, an improved upper bound on the mean number...
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