An Enhanced CSMA-CA Algorithm for IEEE 802.15.4 LR-WPANs


Two mechanisms are proposed to enhance throughput and energy efficiency of IEEE 802.15.4 CSMA-CA. The first one is an enhanced collision resolution (ECR) mechanism that adjusts the backoff exponent (BE) based on both consecutive clear channel assessment (CCA) busy results and a packet transmission. The second one is an enhanced backoff (EB) mechanism that… (More)
DOI: 10.1109/LCOMM.2007.061891


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