A TDMA-Based MAC Protocol for Mobile Sensor Networks

M. Ordouei, M. Shalmani
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引用次数: 5

Abstract

Although many Medium Access Control (MAC) protocols have been specifically designed for WSNs where energy awareness is an essential consideration, only a few of them have considered the presence of mobile nodes or dynamic network topology in their protocols. However, they have usually considered occasional mobility, in which a few number of nodes may start moving at very low speeds and then remained immobile for a long period of time. In this paper, we propose a modified version of LMAC as Mobile-LMAC (M-LMAC) to improve its performance in the scenarios include continuous mobility. The protocol is compared to SMAC and LMAC by simulation. The results show that the proposed M-LMAC protocol has much better performance in terms of packet delivery ratio, network life time and end-to-end delay in presence of mobile nodes.
基于tdma的移动传感器网络MAC协议
虽然许多介质访问控制(MAC)协议是专门为wsn设计的,其中能量感知是一个重要的考虑因素,但只有少数协议考虑了移动节点或动态网络拓扑的存在。然而,他们通常考虑偶尔的移动性,其中少数节点可能以非常低的速度开始移动,然后长时间保持不动。本文提出了一种改进的LMAC,即移动-LMAC (M-LMAC),以提高其在连续移动等场景下的性能。通过仿真将该协议与SMAC和LMAC协议进行了比较。结果表明,在移动节点存在的情况下,所提出的M-LMAC协议在分组传输率、网络生存时间和端到端延迟方面都有较好的性能。
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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