电子学报2013，Vol.41Issue(5)：960-965,6.DOI:10.3969/j.issn.0372-2112.2013.05.020
水下传感器网络时间同步技术综述
Review on Time Synchronization Techniques in Underwater Acoustic Sensor Networks
摘要
Abstract
Time synchronization is the basis for collaboration across multiple sensor nodes.Underwater sensor networks (UWSNs) have different characteristics from the terrestrial wireless sensor networks,where communication is primarily via acoustic signals,producing new challenges to time synchronization.This paper first illustrates the definitions of the problem and algorithm of time synchronization,describes the major differences between underwater acoustic communication and terrestrial wireless communication,and discusses the influences to time synchronization causing by these differences;then reviews the terrestrial time synchronization algorithms,pointing out the reasons why such algorithms cannot be applied to underwater environment.Afterwards,a thorough review of the research progress on time synchronization for UWSNs has been presented with the performance comparison among four major algorithms through simulations.Finally,we summarize the crucial issues on time synchronization for UWSNs,and indicate the future research directions.关键词
时间同步/高时延网络/水下传感器网络/声学通信Key words
time synchronization/ high-latency network/ underwater sensor networks/ acoustic communication分类
信息技术与安全科学引用本文复制引用
洪锋,张玉亮,杨博真,郭瑛,郭忠文..水下传感器网络时间同步技术综述[J].电子学报,2013,41(5):960-965,6.基金项目
国家自然科学基金(No.60933011,No.61103196,No.61170258) （No.60933011,No.61103196,No.61170258）
山东省优秀中青年科学家奖励基金(No.BS2012DX011) （No.BS2012DX011）
青岛市科技发展计划(No.10-3-4-1-6-jch) （No.10-3-4-1-6-jch）
