An efficient low-complexity method to mitigate the impact of some nonline-of-sight errors in AOA measurements for mobile localization

Author

Grosicki, Emmanuèle ; Abed-Meraim, Karim

Author_Institution

Signal & Image Process. Dept., Ecole Nat. Superieure des Telecommun., Paris, France

fYear

2004

fDate

11-14 July 2004

Firstpage

566

Lastpage

570

Abstract

A mobile station (MS) localization method is provided using angle of arrival (AOAs) measurements in UMTS-FDD systems. This method enhances the performances of existing algorithms based on a simple trilateration by taking into account possible ´large´ AOA error measurements caused by nonline-of-sight (NLOS) and near-far effect (NFE). The new method measures the ´coherence´ between the AOA estimates, in order to allow the mobile to select the two most reliable measures and not to use all measures equally. The proposed method has also the advantage to not require any change in the UMTS-FDD standard.

Keywords

3G mobile communication; frequency division multiplexing; mobility management (mobile radio); time-of-arrival estimation; AOA measurement; NFE; NLOS; UMTS-FDD system; angle of arrival; mobile station localization method; near-far effect; nonline-of-sight; simple trilateration; Character generation; Gold; Goniometers; Image processing; Interference; Performance evaluation; Signal processing; Tiles;

fLanguage

English

Publisher

ieee

Conference_Titel

Signal Processing Advances in Wireless Communications, 2004 IEEE 5th Workshop on

Print_ISBN

0-7803-8337-0

Type

conf

DOI

10.1109/SPAWC.2004.1439307

Filename

1439307