An Adaptive Energy-Efficient and Low-Latency MAC Protocol for Wireless Sensor Networks

被引：5
|
作者：
Liu, Hao [1 ]
Yao, Guoliang [1 ]
Wu, Jianhui
Shi, Longxing [1 ]
机构：
[1] Southeast Univ, Natl ASIC Syst Engn Res Ctr, Sch Elect Sci & Engn, Nanjing, Jiangsu, Peoples R China
来源：
JOURNAL OF COMMUNICATIONS AND NETWORKS | 2010年 / 12卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Burst transmission; selective wake-up schedule; variable load adaptive (VLA)-MAC; wireless sensor networks; MEDIUM ACCESS-CONTROL; DUTY-CYCLE;
D O I：
10.1109/JCN.2010.6388497
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, an adaptive MAC protocol (variable load adaptive (VLA)-MAC) is proposed for wireless sensor networks. This protocol can achieve high energy efficiency and provide low latency under variable-traffic-load conditions. In the case of VLA-MAC, traffic load is measured online and used for adaptive adjustment. Sensor nodes transmit packets in bursts under high load conditions to alleviate packet accumulation and reduce latency. This also removes unnecessary listen action and decreases energy consumption in low load conditions. Simulation results show that the energy efficiency, latency, and throughput achieved by VLA-MAC are higher than those achieved by some traditional approaches.
引用
收藏
页码：510 / 517
页数：8
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