Abstract
An efficient MAC protocol can reduce the collision and increase the throughput of the wireless sensor networks. Due to the long propagation delay and the low data rate, many transmissions of control packets will occupy a lot of channel resources, power and transmission time. In this paper, we propose a receiver-initiated MAC protocol with packet train for UWSN called multi-receiver MAC protocol (MR-MAC). Our protocol will increase of the throughput and reduce of the transmission of control packet for handshaking. Our MR-MAC protocol can make more than two nodes to communicate in one handshake held by a main receiver. By scheduling the packet transmission time, the data packet will be sent in a packet train manner and the receiver can receive data packet without collision. Our simulation results show that our protocol can increase the throughput and decrease the packet delay than the other existing MAC protocols.
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