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TOAesti mation algorithm based on multi-search
引用本文:周非,杨铁军,黄顺吉. TOAesti mation algorithm based on multi-search[J]. 系统工程与电子技术(英文版), 2005, 16(3)
作者姓名:周非  杨铁军  黄顺吉
作者单位:Univ .of Electronic Science and Technology of China,Henan Univ .of Technology,Univ .of Electronic Science and Technology of China Chengdu 610054,P. R. China,Zhengzhou 471003,P. R. China,Chengdu 610054,P. R. China
摘    要:1 .INTRODUCTIONWith theincessant development of wireless communi-cation, wireless location already became a newissue .The former researchers proposed many location algo-rithms . Those algorithms can be separated two kindsbasically: One is ti me of arrival /ti me difference ofarrival (TOA/TDOA) technology; another is angleof arrival ( AOA) technology[1]. However ,for therealization of AOAtechnology need the array anten-na ,it is i mpractical in current communication net-work,especiall…


TOA estimation algorithm based on multi-search
Zhou Fei,Yang Tiejun,Huang Shunji. TOA estimation algorithm based on multi-search[J]. Journal of Systems Engineering and Electronics, 2005, 16(3)
Authors:Zhou Fei  Yang Tiejun  Huang Shunji
Affiliation:1. Univ.of Electronic Science and Technology of China,Chengdu 610054,P.R.China
2. Henan Univ.of Technology,Zhengzhou 471003,P.R.China
Abstract:A new time of arrival (TOA) estimation algorithm is proposed. The algorithm computes the optimal sub correlation length based on the SNR theory. So the robust of TOA acquirement is guaranteed very well. Then, according to the actual transmission environment and network system, the multi search method is given. From the simulation result, the algorithm shows a very high application value in the realization of wireless location system (WLS).
Keywords:wireless location system   time of arrival   SNR.
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