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MAC protocol is one of the key technologies of the underwater acoustic networks. In order to improve the performance, this paper puts forward a modified multiple access protocol UTRAMACA. The protocol adopts parallel transmission mode and handshaking method that are different from tradition's. By this way, it improves channel utilization rate both in space and time, and it is simulated by the Matlab...
Unlike terrestrial wireless communication which uses radio waves, underwater communication relies on acoustic waves. The long latency and limited bandwidth pose great challenges in underwater Media Access Control (MAC) protocol design. As a result, terrestrial MAC protocols perform inefficiently when deployed directly in an underwater environment. In this paper, we examine how an existing asynchronous...
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