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Wireless Sensor Networks

REN Feng-Yuan1+, HUANG Hai-Ning2, LIN Chuang1 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: 86-10-62783596, Fax: 86-10-62771138, E-mail: renfy@csnet1.cs.tsinghua.edu.cn  
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.
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