Improved taylor-series location algorithm for cooperation networks

doi:1005-8885 (2007) 02-0038-07

中国邮电高校学报(英文) ›› 2007, Vol. 14 ›› Issue (2): 38-44.doi: 1005-8885 (2007) 02-0038-07

Improved taylor-series location algorithm for cooperation networks

刘俊;崔琪楣;陶晓峰

Beijing University of Posts and Telecommunications

收稿日期:2006-10-12 修回日期:1900-01-01 出版日期:2007-06-30

Improved taylor-series location algorithm for cooperation networks

LIU Jun;CUI Qi-mei;TAO Xiao-feng

Beijing University of Posts and Telecommunications

Received:2006-10-12 Revised:1900-01-01 Online:2007-06-30

摘要/Abstract

摘要：

This article presents an iterative algorithm for estimating the location of the destination mobile station (DS) when some extra mobile stations around the DS are involved in and assist the base stations to complete the localization process. The proposed method is based on the taylor-series (TS) method and jointly estimates both the DS and the extra mobile stations, named reference mobile station (RS) in this article, positions simultaneously. Moreover, the time-differential-of-arrival (TDOA) measurements between DS and pairs of RSs are obtained by ultra-wide-band (UWB) signal, which is adept in accurate ranging application. According to the theoretic analysis, the Cramér-Rao lower bound (CRLB) of the modified TS algorithm reduces significantly. The actual performance, under a given simulation scenario, is enhanced by 25% at best.

关键词:

UWB;CRLB;TS;TDOA; least-square (LS)

Abstract:

Key words:

UWB;CRLB; TS;TDOA;least-square (LS)

中图分类号:

TN915.01

LIU Jun;CUI Qi-mei;TAO Xiao-feng. Improved taylor-series location algorithm for cooperation networks[J]. Acta Metallurgica Sinica(English letters), 2007, 14(2): 38-44.

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Improved taylor-series location algorithm for cooperation networks

Improved taylor-series location algorithm for cooperation networks

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