2Khalaf-Allah M, Kyamakya K. Database Correlation using Bayes Filter for Mobile Terminal Localization in GSM Suburban Environments [C].VTC 2006 Spring.Vehicular Technology Conference,2006:798-802.
3Ding_bing Lin. Mobile Location Estimation Based on Differ- ences of Signal Attenuations for GSM Systems [J].Vehiculav Technology.IEEE,2005,54(4): 1447-1454.
4Cheung K W, So H C, Ma W K, et al. Received Signal Strength Based Mobile Positioning via Constrained Weighted Least Squares [J]. Acoustics, Speech, and Signal Processing.ICASSP, 2003,5:137-140.
5Brida P, Machaj J, Benikovsky J, et al. An Experimental Evaluation of AGA Algorithm for RSS Positioning in GSM Networks [J].Electronics and Electrical Engineering,2010,8 (104): 113-118.
6Bhandare S,S., M.R.Dixit. Positioning of Mobile in GSM Net- work using Received Signal Strength and Angle of Arrival[J].IJETTCS,2013,2(3):400-403.
7Bahillo.A,Mazuelas.S, et al. Hybrid RSS-RTT Localization Scheme for Wireless Networks [C].IPIN. International Conference, 2010:1-7.
8Siemens, AT Command Set.http://www.wh.net.cn/index0/tc35i/ pdf/tc35i_atc_v0301.pdf,2005,9.
10Brida P, Machaj J, Benikovsky J. On the Accuracy of AGA Positioning Algorithm in Multipath Environment[J].Intematinal Jounal of Physical Sciences,2011,6(14):3409-3418.
3Reed J,Rappaport T.An Overview of the Challenges and Progress in Meeting the E-911 Requirement for Location service[J].IEEE Communication Magazine,1998(4):30-37.
5MahmoodM.Zonoozi,PremDassanayake.Shadow Fading in Mobile Raido Channel[J].IEEE 0-7803-3692-5/96,1996:291-295.
6Martin H,RudolfM,Markus S.Estimating position and velovity of mobiles in a cellular radio network[J].IEEE Trans on Vehicular Technology,1997,2(1):65-71.
7Rabacy J J, Ammer M J, da Silva Jr J L,et al. Picorodio Supports Ad Hoc Ultra - low Power Wireless Networking [J]. Computer,2000,33(7):42 - 48.
8He T,Huang C D,Blum B M,et al. Range - Free Loealiza tion Schemes in Large Scale Sensor Networks[A]. In: Proe. of the 9th Annual Int'l Conf. on Mobile Computing and Net working[C]. San Diego: ACM Press, 2003: 81 - 95.
9Elson J, Griod L, Esrein D. Fine - grained Network Time Synchronization Using Reference Broadcasts[A]. In.. Proc. 5th Syrup. Operating Systems Design and Implementation (OSDI 2002)[C]. Boston,MA. 2002.
10Liu Chong,Wu Kui, He Tian. Sensor Localization with Ring Overlapping Based on Comparison of Received Signal Strength Indicator[A]. 2004 IEEE International Conference on Mobile Ad - Hoc and Sensor Systems[C]. 2004.