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arXiv · 1912.06352

Random Access with Opportunity Detection in Wireless Networks

Jinho Choi·Seung-Woo Ko·Koji Yamamoto·Seong-Lyun Kim
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Abstract

This letter proposes a novel random medium access control (MAC) based on a transmission opportunity prediction, which can be measured in a form of a conditional success probability given transmitter-side interference. A transmission probability depends on the opportunity prediction, preventing indiscriminate transmissions and reducing excessive interference causing collisions. Using stochastic geometry, we derive a fixed-point equation to provide the optimal transmission probability maximizing a proportionally fair throughput. Its approximated solution is given in closed form. The proposed MAC is applicable to full-duplex networks, leading to significant throughput improvement by allowing more nodes to transmit.

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Jinho Choi, Seung-Woo Ko, Koji Yamamoto, Seong-Lyun Kim. 2019-12-13. Random Access with Opportunity Detection in Wireless Networks. https://doi.org/10.1109/lwc.2019.2921367

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