无线传感器网络-软件学报.PDF

1000-9825/2003/14(07)1282 ©2003 Journal of Software 软 件 学 报 Vol.14, No.7 ∗ 无线传感器网络 1+ 2 1 任丰原 , 黄海宁 , 林 闯 1(清华大学 计算机科学与技术系,北京 100084) 2( 中国科学院 声学研究所,北京 100080) Wireless Sensor Networks 1+ 2 1 REN Feng-Yuan , HUANG Hai-Ning , LIN Chuang 1(Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China) 2(Institute of Acoustics, The Chinese Academy of Sciences, Beijing 100080, China) + Corresponding author: Phn: 86- 10 Fax: 86-10 E-mail: renfy@ / Received 2002-10-21; Accepted 2003-03-11 Ren FY, Huang HN, Lin C. Wireless sensor networks. Journal of Software, 2003,14(7):1282~1291. /1000-9825/14/1282.htm Abstract: Sensor network, which is made by the convergence of sensor, micro-electro-mechanism system and networks technologies, is a novel technology about acquiring and processing information . In this paper, the architecture of wireless sensor network is briefly introduced. Next, some valuable applications are explained and forecasted. Combining with the existing work, the hot spots including power-aware routing and media access control schemes are discussed and presented in detail. Finally, taking account of application requirements, several future research directions are put forward. Key words: sensor network; low power; routing technology 摘 要: 集成了传感器、微机电系统和网络三大技术而形成的传感器网络是一种全新的信息获取和处理技术. 在简要介绍传感器网络体系结构的基础上,分析和展望了一些有价值的应用领域.结合已有研究,总结并详细阐 述了包括低功耗路由技术和介质访问控制方法等在内的热点研究问题.最后,针对应用需求,提出了几点研究 设想. 关键词: 传感器网络;低功耗;路由技术 中图法分类号: TP393 文献标识码: A 更小、更廉价的低功耗计算设备代表的“后PC 时代”冲破了传统台式计算机和高性能服务器的设计模式; 普遍的网络化带来的计算处理能力是难以估量的;微机电系统(micro-electro-mechanism system,简称MEMS) 的 ∗ Supported by th