Joint TOA Estimation and Localization Technique for UWB Sensor Network Applications

Author

Guvenc, Ismail ; Chong, Chia-Chin ; Watanabe, Fujio

Author_Institution

DoCoMo Commun. Lab. USA Inc., Palo Alto, CA

fYear

2007

fDate

22-25 April 2007

Firstpage

1574

Lastpage

1578

Abstract

In this paper, a novel joint time-of-arrival (TOA) estimation and localization technique for ultra-wideband (UWB) sensor network applications is proposed. To our best knowledge, most works reported in the literature set the threshold for a TOA estimator based on the parameters of the received signal only. In this work, we use the residual localization error as a metric to accurately choose the threshold values. A sub-optimal version of the proposed algorithm with lower computational complexity is also discussed and the improvements are demonstrated using Monte-Carlo simulations based on the IEEE 802.15.4a channel models.

Keywords

Monte Carlo methods; time-of-arrival estimation; ultra wideband communication; wireless sensor networks; IEEE 802.15.4a channel models; Monte-Carlo simulations; TOA estimation; UWB sensor network applications; localization technique; time-of-arrival estimation; ultra-wideband sensor network; AWGN; Computational complexity; Delay estimation; Error correction; Feedback; Signal processing algorithms; Signal to noise ratio; Time of arrival estimation; USA Councils; Ultra wideband technology;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 2007. VTC2007-Spring. IEEE 65th

Conference_Location

Dublin

ISSN

1550-2252

Print_ISBN

1-4244-0266-2

Type

conf

DOI

10.1109/VETECS.2007.328

Filename

4212756