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In this paper, we present a new MAC protocol satisfying with both high energy efficiency and low transmission latency at the same time over wireless sensor network, named as medium reservation preamble based MAC (MRPM). The proposed MRPM is a synchronized duty cycle MAC protocol. MRPM has three main features. The first feature is that MRPM does not have separate time frames for Sync and data traffics...
In this paper, we present the new energy efficient MAC protocol for WSN, named as medium reservation preamble based MAC (MRPM). Inspired by S-MAC, the proposed MRPM is also a synchronized duty cycle MAC protocol. However, unlike S-MAC, the proposed protocol doesn't have separate time frame for Sync and data traffics. Both traffics are integrated in a short listen period. The listen period is further...
We consider the design of cognitive medium access control (MAC) protocols enabling an unlicensed (secondary) transmitter-receiver pair to communicate over the idle periods of a set of licensed channels, i.e., the primary network. The objective is to maximize data throughput while maintaining the synchronization between secondary users and avoiding interference with licensed (primary) users. No statistical...
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