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Because of specific characteristics of underwater acoustic channel and real acoustic modems, it is challenging to design an appropriate medium access control (MAC) protocol for the underwater acoustic sensor network (UWASN). In this paper, we propose a pre-scheduling-based MAC protocol for the UWASN. In our proposed MAC protocol, the nodes with data packets to be transmitted reserve the channel in...
Due to the specific characteristics in terms of long propagation delay, high bit-error-rate and limited available bandwidth in the underwater environment, designing the medium access control (MAC) protocol in underwater acoustic sensor networks (UWASNs) is a challenging issue. Considering a UWASN for data collection, data generated at sensor nodes are transmitted to the sink node hop by hop. Since...
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