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Coping with collisions is one of the biggest challenges in the design of MAC algorithms for wireless networks. Recent advances in MIMO communications have provided the possibility of simple detection of colliding packets. In this paper, we introduce a new MIMO/MPR-aware cross-layer MAC/PHY design that is capable of combating collisions through the use of a multiple packet reception technique. Analytical...
This paper proposes a novel backoff algorithm to enhance the distributed coordination function (DCF) function in IEEE 802.11 based wireless networks. The proposed algorithm, known as pause count backoff (PCB) algorithm, observes the number of backoff counter pauses during the channel access contention and sets the appropriate contention window, based on the estimated results. We evaluate the performance...
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