PROJECT TITLE :
Markov Modeling for Practical Two-Way Relay With Finite Relay Buffer
Two-approach XOR relaying enables the hidden nodes to communicate at high information rates, and the buffer allocation plays a vital role in improving the system performance. This letter investigates the practical two-means relay protocol with an enhanced transmission scheduling, that takes a joint consideration of the finite relay buffer, signalling overhead, and lossy link. Based mostly on the queue state transitions and also the link qualities, an analytic Markov chain model is proposed to analyse this scheme, and therefore the closed-form expressions for the throughput and queueing delay are derived. Simulations demonstrate the accuracy of the analytic model, and additionally show that the enhanced scheme will improve transmission efficiency and prevent buffer overflow. Our analytic model can additionally be used as an on-line tool to configure a cheap buffer resource to achieve a better throughput beneath an acceptable delay.
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