4Want R, Hopper A, Falcao V,et al. The active badge location system[ J ]. ACM Transactions on Office Information Systems, 1992, 10 ( 1 ) :91 -102.
5Ward A,Jones A. Harper A. A new location technique for the active office [ J ]. IEEE Personal Communications,1997,4 (5) :42 -47.
6Priyant ha N B, Chakraborty A, Balakrishnan H. The cricket location-support system. [ C ]//Proceedings of MOBICOM 2000, Boston, MA, ACM,ACM Press,2000:32 -43.
7Abdalkarim Awad, Thorsten Frunzke, Falko Dressier. Adaptive distance estimation and localization in WSN using RSSI measures[ C]//IEEE 10th Euromicro Conference on Digital System Design Architectures Methods and Tools,2007,2007:471 -478.
8Hirokazu M, Kazuhiko H, Noriyuki M, et al. Indoor Localiza- tion for Mobile Node Based on RSSI [ C ]//11 th International Conferenceon Knowledge- Based Intelligent Information and Engineering Systems. Berlin Heidelberg : Springer - Verlag, 2007 : 1065-1072.
9Pahlavan K, Levesque A. Wireless Information Networks [ M ]. New York: John Wiley & Sons ,Inc , 1995.
10Bulusu N, Heidemann J, Estrin D. GPS-les Low Cost Outdoor Location for Very Small Devices [ J ]. IEEE Personal Commu- nications Magazine ,2000,7 ( 5 ) :28-34.