DocumentCode :
431784
Title :
Novel wireless location approach for W-CDMA systems based on multiple sliding correlators
Author :
Urruela, Andreu ; StröM, Erik ; Rydström, Mats
Author_Institution :
Signal Process. for Commun. Group, Tech. Univ. of Catalonia, Barcelona, Spain
Volume :
3
fYear :
2005
fDate :
18-23 March 2005
Abstract :
Mobile locationing using time difference of arrival (TDOA) measurements has received considerable attention over the last few years. The classical two-step approach consists of acquiring TDOA measurements followed by a separate computation of the mobile position. This approach suffers from issues such as high outlier probabilities in the TDOA measurement acquisition. The paper presents an approach to estimating the mobile´s position in one single step, improving the performance of the classical approach. Numerical simulations show the gain in terms of outlier probability and positioning accuracy.
Keywords :
cellular radio; code division multiple access; correlation methods; correlators; probability; radio direction-finding; W-CDMA systems; cellular communication networks; mobile locationing; multiple sliding correlators; outlier probability; positioning accuracy; time difference of arrival; wireless location; Correlators; Delay estimation; Mobile communication; Mobile computing; Multiaccess communication; Numerical simulation; Position measurement; Signal processing; Time difference of arrival; Time measurement;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2005. Proceedings. (ICASSP '05). IEEE International Conference on
ISSN :
1520-6149
Print_ISBN :
0-7803-8874-7
Type :
conf
DOI :
10.1109/ICASSP.2005.1415867
Filename :
1415867
Link To Document :
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