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非直达波条件下的TDD高精度移动定位算法 被引量：3

A Non-Line-Of-Sight High-Resolution Location Algorithm Based on TDD for Mobile Station
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摘要 本文基于单次散射双向移动信道模型及信道参数联合估计,利用单基站测得的多条散射路径的到达时延、到达方向和离波方向进行定位,提出了一种非直达波条件下的TDD高精度移动定位算法 随后分析了其定位误差的分布特性。仿真结果验证了非直达波条件下该算法的有效性. A NLOS (Non line of sight) high-resolution location algorithm is proposed based on the parameters TOA(Time of Arrival) 、DOA(Direction of Arrival) and DOD (Direction Of Departure) of multiple propagation paths, which can be measured simultaneously under the scenarios where single scattering is dominant in the double-array mobile communication system. From the knowledge of DOD, the single scattering path can be reconstructed and so NLOS location problem becomes solvable. Error analysis disclosed the performance of this algorithm. Simulation shows its effectiveness when no line-of-sight propagation paths exist between the mobile station and the base station.
作者 刘申建 万群 彭应宁
机构地区 清华大学电子工程系
出处 《电子学报》 EI CAS CSCD 北大核心 2002年第9期1288-1291,共4页 Acta Electronica Sinica
基金 清华大学信息学院基础创新基金资助项目(NO.2001416)
关键词 TDD 非直达波 单次散射 离波 移动定位 移动通信 non-line-of-sight single scattering direction-of-departure mobile location
分类号 TN929.53 [电子电信—通信与信息系统]
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参考文献14

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同被引文献23

  • 1S Ahonen,H Laitinen.Database correlation method for UMTS location[A].In Proc IEEE 55th Vehicular Technology Conference[C].Birmingham,Alabama.2003.2696-2700.
  • 2H Laitinen,J Lahteenmaki,T Nordstrom.Database correlation method for GSM location[A].In Proc IEEE 53th Vehicular Technology Conference[C].Rhodes,Greece.2001.2504-2508.
  • 3S Al-Jazzar,J Jr Caffery.ML and Bayesian TOA location estimators for NLOS environments[A].In Proc IEEE 56th Vehicular Technology Conference[C].Vancouver BC,Canada.2002.1178-1181.
  • 4S S Woo,H H You,J A S Koh.The NLOS mitigation technique for position location using IS-95 CDMA networks[A].In Proc IEEE 52th Vehicular Technology Conference[C].Boston,USA.2000.2556-432.
  • 5L Liu,P Deng,P Z Fan.A TOA reconstruction method based on ring of scatterers model[A].In Proc.Fourth International Conference on Parallel and Distributed Computing,Applications and Technologies[C].Chengdu.2003.375-377.
  • 6Y T Chan,K C Ho.A Simple and Efficient Estimator for Hyperbolic Location[J].IEEE Transaction on Signal Processing,1994,42(8):1905-1915.
  • 7N Khajehnouri,A H Sayed.A non-line-of-sight equalization scheme for wireless cellular location[A].In Proc IEEE ICASSP'03[C].Hong Kong.2003.549-552.
  • 8J Jr Caffery.Wireless Location in CDMA Cellular Radio Systems[M].Kluwer Academic Publishers,1999.
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  • 10S S Woo,H H You,J A S Koh.The NLOS mitigation technique for position location using IS-95 CDMA networks[A].IEEE Vehicular Technology Conference[C].Tokyo,Japan:IEEE,2000.2556-432.

引证文献3

二级引证文献9

电子学报
2002年 第9期

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