Performance optimisation of multichannel MAC in large-scale wireless sensor network

被引：2
作者：
Dong, Chuchu [1 ]
Feng, Shengzhong [1 ]
Yu, Fengqi [1 ]
机构：
[1] Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen 518055, Peoples R China
来源：
INTERNATIONAL JOURNAL OF SENSOR NETWORKS | 2022年 / 38卷 / 01期
基金：
国家重点研发计划; 美国国家科学基金会;
关键词：
WSN; wireless sensor network; MAC protocol; multichannelMAC; channel assignment; energy efficiency; wireless collision; load balance; CHANNEL ASSIGNMENT; DATA-COLLECTION; LOW-POWER; PROTOCOL; DESIGN; ALLOCATION; WSNS; TIME; TREE;
D O I：
10.1504/IJSNET.2022.120271
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Efficient multichannel medium access control (MAC) protocols can significantly prolong the lifetime of sensor networks. In this paper, an energy-efficient prediction-based multichannel MAC protocol (PM-MAC) is proposed for large-scale wireless sensor networks (WSNs). PM-MAC minimises sensor node's idle listening time without introducing any multihop time synchronisation and channel assignment overhead by introducing a prediction mechanism of the target node'swakeup channel and wakeup time. PM-MAC introduces a dynamic channel allocation to achieve precise and quick resynchronisation when a prediction error occurs. In addition, inPM-MAC, the load can be well balanced on all channels. Finally, its prediction-based retransmission mechanism can achieve more energy efficiency in resolving severe wireless collisions caused by concurrent traffic in large-scale sensor network. The PM-MAC not only reduces multihop packet latency and energy consumption, but also increases network capacity and throughput. Experimental results confirm the outstanding performance of PM-MAC in all testbeds.
引用
收藏
页码：12 / 24
页数：13
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