MAC Protocols in Underwater Wireless Sensor Networks: Issues and Simulations

Editorial

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1 Department of Computer Engineering and Information Technology, Shiraz University of Technology, Shiraz, Iran

2 Department of Computer Engineering and Information Technology, Shiraz University of Technology, Shiraz, Iran

Abstract

Underwater Acoustic Wireless Sensor Network (UAWSN) use acoustic signals to transmit data. Acoustic signals in underwater environment have high bit error rate, long propagation delay and limited bandwidth. Another constraint in UWASN is energy. Due to these constraints, design of energy and bandwidth efficient and propagation delay aware MAC protocol is a great challenge in UWASN. Underwater sensor nodes have to share medium. The main role of the MAC layer protocol is to decide when a node accesses a shared medium and to resolve any conflicts between nodes. In this paper, we evaluate the performance of three famous underwater MAC protocols UWAN-MAC[1], R-MAC[2] and Slotted FAMA[3] in terms of packet drop rate, throughput and energy consumption. We have used Aquasim simulator to evaluate MAC protocols.

Keywords

Journal of Advances in Computer Research
Volume 5, Issue 2 - Serial Number 2
Spring 2014
Pages 97-109

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