A Joint MAC and Physical Layer Analytical Model for IEEE 802.11a Networks Operating under RTS/CTS Access Scheme

Roger Hoefel

It is proposed an analytical cross-layer saturation goodput model for the IEEE 802.11a physical (PHY) and medium access control (MAC) layers. It is assumed an ad hoc network operating under the distributed coordination function (DCF) using the request-to-send/clear-to-send (RTS/CTS) operational mode. The proposed analytical expressions, which are validated by simulation, allow assessing the effects on the system performance of channel load, contention window resolution algorithm, distinct modulation schemes, forward error corrector (FEC) coding schemes, receivers structures and channel models.

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