TDOA Mobile Terminal Positioning with Weight Control based on Received Power of Pilot Symbol in Taylor-Series Estimation

Author

Shimura, Ryuichiro ; Sasase, Iwao

Author_Institution

Dept. of Inf. & Comput. Sci., Keio Univ., Yokohama

fYear

2006

fDate

11-14 Sept. 2006

Firstpage

1

Lastpage

5

Abstract

The solution to TDOA (time difference of arrival) equation is obtained by linearizing the equations via a Taylor-series expansion. To achieve high accurate positioning, the first path timing should be estimated correctly. The path search algorithm has been proposed to estimate first path. However, the detection probability of the first path depends on the received power of the pilot symbols. In this paper we propose TDOA mobile terminal positioning with weight control based on received power of pilot symbol in Taylor-series estimation. Computer simulation results indicate the proposed system generally performs better than the conventional system, especially when the transmit power is not high

Keywords

direction-of-arrival estimation; mobile radio; probability; search problems; series (mathematics); telecommunication control; time-of-arrival estimation; TDOA mobile terminal positioning; Taylor-series estimation; detection probability; path search algorithm; pilot symbol; time difference of arrival equation; weight control; Computer simulation; Degradation; Difference equations; Global Positioning System; Nonlinear equations; Particle measurements; Satellites; Time measurement; Timing; Weight control;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 2006 IEEE 17th International Symposium on

Conference_Location

Helsinki

Print_ISBN

1-4244-0329-4

Electronic_ISBN

1-4244-0330-8

Type

conf

DOI

10.1109/PIMRC.2006.254059

Filename

4022281