Performance Analysis of MAC for Power-Line Communications

We investigate the IEEE 1901 MAC protocol, the dominant protocol for high data rate power-line communications. 1901 employs a CSMA/CA mechanism similar to – but much more complex than – the backoff mechanism of 802.11. Because of this extra complexity, and although this mechanism is the only widely used MAC layer for power-line networks, there are few analytical results on its performance. We propose a model for the 1901 MAC that comes in the form of a single fixed-point equation for the collision probability. We prove that this equation admits a unique solution, and we evaluate the accuracy of our model by using simulations.


Presented at:
ACM SIGMETRICS 2014 (poster session), Austin, Texas, USA, 16-20 June, 2014
Year:
2014
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 Record created 2014-04-01, last modified 2018-09-13

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