Performance analysis of synchronous and receiver initiated MAC protocols under varying traffic density over Wireless Sensor Networks

2014 International Conference on Control, Instrumentation, Communication and Computational Technologies (ICCICCT) Pub Date : 2014-07-10 DOI:10.1109/ICCICCT.2014.6993148

Jobin Varghese, S. Rao

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引用次数: 3

Abstract

Wireless Sensor Networks (WSNs) are of great interest to researchers due to their various applications in areas such as environmental monitoring, process monitoring and tracking surveillance systems. Sensors are deployed in hostile in random fashion giving self-organized topology. Medium Access Control (MAC) plays a vital role in the power saving mechanism of WSNs. MAC schemes for WSNs are different from traditional wireless MAC scheme such as IEEE802.11. This paper provides comprehensive performance analysis of the existing synchronous and asynchronous MAC layer protocols. The widely used synchronous and asynchronous mechanisms in WSNs are SMAC and Receiver Initiated MAC (RI-MAC). The paper presents a comparison of the performance of SMAC and RI-MAC on flat grid topology with a single sensor node as the sink. Here multi-hop transmissions are considered and various performance metric factors such as throughput, energy and latency are evaluated. Ns2 simulation result shows that RI-MAC has better performance than SMAC upon taking various performance metric factors in WSNs.

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无线传感器网络中同步和接收端发起MAC协议在不同流量密度下的性能分析

无线传感器网络(WSNs)由于其在环境监测、过程监测和跟踪监测系统等领域的广泛应用而引起了研究人员的极大兴趣。传感器以随机方式敌对部署，给出自组织拓扑。介质访问控制(MAC)在无线传感器网络的节能机制中起着至关重要的作用。wsn的MAC方案不同于传统的无线MAC方案，如IEEE802.11。本文对现有的同步和异步MAC层协议进行了全面的性能分析。在无线传感器网络中广泛使用的同步和异步机制有SMAC和Receiver Initiated MAC (RI-MAC)。本文比较了SMAC和RI-MAC在单传感器节点为汇聚节点的平面网格拓扑下的性能。这里考虑了多跳传输，并评估了吞吐量、能量和延迟等各种性能度量因素。Ns2仿真结果表明，在考虑各种性能指标因素的情况下，RI-MAC比SMAC具有更好的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2014 International Conference on Control, Instrumentation, Communication and Computational Technologies (ICCICCT)

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