Source-Assisted Direction Estimation Inside Buildings

Published

April 11, 2006

Author(s)

Kamran Sayrafian, D Kaspar

Abstract

Source direction estimation inside building is a difficult and challenging task due to severe multipath signal propagation. Numerous algorithms and techniques exist that provide high-resolution direction estimation under certain conditions and channel models; however, to our knowledge they all perform poorly at indoor environments. Here, we propose a technique that enables a receiver to achieve greater reliability in estimating source direction through some collaboration with the source. We assume that the receiver and the transmitter are synchronized and they are equipped with circular phased array antennas that have beamforming capability. If the transmitter-receiver pair always steer their main lobes into opposite directions, the spatial spectrum of the received power can be used as a mean for estimating the direction of the transmitting source. In this paper, we investigate the feasibility of this methodology, and show the achieved improvement.

Proceedings Title

Conference| 25th

Conference Dates

April 23-29, 2006

Conference Title

25th Annual Conference on Computer Communications

Pub Type

Conferences

Download Paper

Local Download

Keywords

Direction Estimation, Circular Array Antenna, Beamforming

Citation

Sayrafian, K. and Kaspar, D. (2006), Source-Assisted Direction Estimation Inside Buildings, Conference| 25th, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=150572 (Accessed October 10, 2024)