Title :
Sensor Localization under Limited Measurement Capabilities
Author :
Wang, Chen ; Xiao, Li
Author_Institution :
Michigan State Univ., East Lansing, MI
Abstract :
In this article we survey the latest progress on sensor localization, focusing on distance measurement techniques and localization algorithms for a sensor to determine its own location. We illustrate why inaccurate distance measurements, arising from tight hardware design constraints, raise challenges in sensor localization and how proposed approaches strive to overcome these challenges. We conclude that sensor localization algorithms must be designed to accommodate different application requirements in terms of costs, energy consumption, and localization accuracy
Keywords :
distance measurement; wireless sensor networks; distance measurement techniques; hardware design constraints; limited measurement capabilities; sensor localization; Clocks; Costs; Distance measurement; Frequency synchronization; Radio frequency; Receivers; Signal processing; Spread spectrum communication; Ultrasonic imaging; Ultrasonic variables measurement;
Journal_Title :
Network, IEEE
DOI :
10.1109/MNET.2007.364254