Interference-Aware Probabilistic Routing for Wireless Sensor Networks

Interference-Aware Probabilistic Routing for Wireless Sensor Networks
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无线传感器网络的干扰感知概率路由

DOI:
10.1109/tst.2012.6314533
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发表时间:
2012-09
影响因子:
6.6
通讯作者:
Xiaoming Wang
Xiaoming Wang
中科院分区:
计算机科学2区
文献类型:
--
作者:
Junling Lu;Xiaoming Wang

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无线通信容易受到干扰,部署在复杂环境中的无线传感器网络节点间的数据传输具有明显的不确定性。本文采用概率论的思想对已有的干扰模型进行扩展,提出了一种干扰分析模型,并通过跨层的方法加以实现。此外,还证明了干扰感知路由度量的保序性。在此基础上,提出了一种概率路由算法,并分析了其正确性和时空复杂度。仿真结果表明,与Adhoc按需距离矢量(AODV)算法相比,在不同负载下,该算法在保证平均路径长度的前提下,能够在密集部署下获得更好的分组投递率、吞吐量、抖动和平均时延。
Wireless communications are prone to the interference, so the data transmission among the nodes in wireless sensor networks deployed in complex environments has the obvious uncertainty. This paper adopts probability theory to extend the existed interference model, and gives an interference analysis model and implements it through the cross-layer method. In addition, the isotonic property of the interference-aware routing metric is proved. Then, a probabilistic routing algorithm is proposed and its correctness and time-space complexity are analyzed. Simulation results show that the proposed algorithm can achieve better packet delivery ratio, throughput, jitter and average delay in dense deployment under the different loads at the expense of the comparable average length of paths compared with the Adhoc On-Demand Distance Vector (AODV) algorithm.
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期刊: Journal of Control Theory and Applications
影响因子: --
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