Distributed synchronization in large-scale wireless sensor networks using group consensus protocol

被引：3
|
作者：
Jin, Yanliang [1 ]
Zhang, Xiaoshuai [1 ]
Yao, Bin [1 ]
机构：
[1] Shanghai Univ, Shanghai Inst Adv Commun & Data Sci, Joint Int Res Lab Specialty Fiber Opt & Adv Commu, Key Lab Specialty Fiber Opt & Opt Access Networks, Room 1211,Bldg Xingjian,149,Yanchang Rd, Shanghai 200444, Peoples R China
来源：
INTERNATIONAL JOURNAL OF DISTRIBUTED SENSOR NETWORKS | 2017年 / 13卷 / 11期
关键词：
Distributed synchronization; group consensus; large scale; wireless sensor network; dynamic topology; CLOCK SYNCHRONIZATION; OFFSET; SKEW;
D O I：
10.1177/1550147717718114
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This article analyzes the clock model of sensor nodes and the basic principle of time synchronization. Then, it systematically introduces the existing time synchronization mechanisms and compares their advantages and disadvantages. In order to solve the problems of consensus-based time synchronization, such as propagation delay and convergence speed, Group Consensus Time Synchronization algorithm is proposed. In this protocol, minimum data exchange is achieved for both frequency and phase offset compensation, and at the same time, the propagation delay is considered and compensated for. The simulation results show that the protocol can adapt to dynamic topology and be suitable to large-scale wireless sensor networks.
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页数：10
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