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基于无线传感器网络中链路检测和节点协作调度的节能且高度可靠的地理路由

Energy-Efficient and Highly Reliable Geographic Routing Based on Link Detection and Node Collaborative Scheduling in WSN.

作者信息

Wang Minghua, Zhu Ziyan, Wang Yan, Xie Shujing

机构信息

School of Electrical Engineering, University of South China, Hengyang 421001, China.

出版信息

Sensors (Basel). 2024 May 21;24(11):3263. doi: 10.3390/s24113263.

DOI:10.3390/s24113263
PMID:38894056
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11174472/
Abstract

Energy efficiency and data reliability are important indicators to measure network performance in wireless sensor networks. In existing research schemes of routing protocols, the impact of node coverage on the network is often ignored, and the possibility that multiple sensor nodes may sense the same spatial point is not taken into account, which results in a waste of network resources, especially in large-scale networks. Apart from that, the blindness of geographic routing in data transmission has been troubling researchers, which means that the nodes are unable to determine the validity of data transmission. In order to solve the above problems, this paper innovatively combines the routing protocol with the coverage control technique and proposes the node collaborative scheduling algorithm, which fully considers the correlation characteristics between sensor nodes to reduce the number of active working nodes and the number of packets generated, to further reduce energy consumption and network delay and improve packet delivery rate. In order to solve the problem of unreliability of geographic routing, a highly reliable link detection and repair scheme is proposed to check the communication link status and repair the invalid link, which can greatly improve the packet delivery rate and throughput of the network, and has good robustness. A large number of experiments demonstrate the effectiveness and superiority of our proposed scheme and algorithm.

摘要

能量效率和数据可靠性是衡量无线传感器网络中网络性能的重要指标。在现有的路由协议研究方案中，节点覆盖对网络的影响常常被忽视，并且没有考虑多个传感器节点可能感知同一空间点的可能性，这导致网络资源的浪费，尤其是在大规模网络中。除此之外，地理路由在数据传输中的盲目性一直困扰着研究人员，这意味着节点无法确定数据传输的有效性。为了解决上述问题，本文创新性地将路由协议与覆盖控制技术相结合，提出了节点协作调度算法，该算法充分考虑了传感器节点之间的相关特性，以减少活跃工作节点的数量和生成的数据包数量，进一步降低能耗和网络延迟，并提高数据包交付率。为了解决地理路由不可靠的问题，提出了一种高度可靠的链路检测和修复方案，以检查通信链路状态并修复无效链路，这可以大大提高网络的数据包交付率和吞吐量，并具有良好的鲁棒性。大量实验证明了我们提出的方案和算法的有效性和优越性。

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