湖北民族学院学报（自然科学版）2016，Vol.34Issue(4)：435-441,7.DOI:10.13501/j.cnki.42-1569/n.2016.12.017
基于并行分层时间间隔测量的TDOA定位算法研究
The TDOA Localization Algorithm Based on Parallel Hierarchical Measurement
摘要
Abstract
The precise time synchronization technology is required by the time difference of arrival (TDOA) positioning algorithm.Under the low precision of traditional time synchronization technology,this paper proposes a joint positioning algorithm gain ratio of arrival based on the TDOA and GROA of a paral-lel hierarchical time interval measurement. Firstly, we establish the optimization equation containing La-grange coefficient based on TDOA and GROA joint positioning model.And then we solve the equation by constrained weighted least squares algorithm ( TSWLS);at the same time,we use the method of parallel hierarchical time interval measurement to control the time synchronization of positioning model.The exper-iment and analysis show that the proposed algorithm accuracy increases by 25 dB compared with the tradi-tional TDOA location algorithm,which has relatively stable and high positioning precision.关键词
时间同步/到达时间差(TDOA)/到达信号增益比(GROA)/最小二乘/并行分层测量Key words
time synchronization/time differences of arrival(TDOA)/gain ratios of arrival(GROA)/least squares/parallel hierarchical measurement分类
计算机与自动化引用本文复制引用
邹东尧,刘碧微,杨威,向家钰..基于并行分层时间间隔测量的TDOA定位算法研究[J].湖北民族学院学报（自然科学版）,2016,34(4):435-441,7.基金项目
河南省高等学校重点科研项目(15A520109)；河南省科技厅科技攻关项目(112102210321)；河南省产学研合作项目(122107000022)；研究生科技创新基金项目 （15A520109）
