3Want R,Hopper A,Falcao V,et al.The active badge location system[J].ACM Transactions on Information Systems,1992,10 (1):91-102.
4Harter A,Hopper A,Steggles P,et al.The anatomy of a contextaware application[A].Proceedings of Mobile Computing and Networking(MOBICOM'99)[C],Seattle,Washington,USA:ACM Press,1999,59-68.
5Priyantba N B,The cricket indoor location system[D].PhD Thesis,Massachusetts Institute of Technology,2005.
7Savvides A,Han C C,Srivnstava M B.Dynamic fine-grained localization in Ad-Hoc networks of sensors[A].Proceedings of Mobile Computing and Networking (MOBICOM'01)[C].Rome,Italy:ACM Press,2001,166-179.
8Whitehouse C D.The Design of Calamari:an Ad-hoc localization system for sensing networks[D].Master's Thesis,University of California at Berkeley,2002.
10Crepaldi R,Cnsari P,Zanella A,et al.Testbed implementation and refinement of a range-based localization algorithm for wireless sensor networks[J].ACM 2006 1-59593-519-3.