A polling-based channel access control mechanism to prolong a lifetime of IEEE 802.15.4 LR-WPAN with a main-powered PAN coordinator

Abstract

It is well known that CSMA/CA shows good performance in case of a few devices and low traffic rate but the more the number of devices and traffic rate increase, the more the performance decreases dramatically because of too much contention among the devices. It leads to increasing the retransmission rate it, as a result, brings about high energy consumption… (More)

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