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The Effects of Local Scattering on Direction of Arrival Estimation with MUSIC and ESPRIT
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0003-2298-6774
1998 (English)In: Acoustics, Speech and Signal Processing, ICASSP 98., IEEE , 1998, 3333-3336 p.Conference paper, Published paper (Refereed)
Abstract [en]

In wireless communication scenarios, multipath propagation from local scatterers in the vicinity of mobile sources may cause angular spreading as seen from a base station antenna array. This paper studies the effects of suchlocal scattering on direction of arrival (DOA) estimation with the MUSIC and ESPRIT algorithms. Previous work has considered rapidly time-varying scenarios, and concluded that local scattering has a minor effect on DOAestimation in such scenarios. This work considers the case in which the channel is time-invariant during theobservation period. The distribution of the DOA estimates is derived, and the results show that local scatteringhas a significant impact on DOA estimation in the time-invariant case. In addition, numerical examples are included to illustrate the analysis, and to demonstrate that the results may be used to formulate simple estimators of angular spread.

Place, publisher, year, edition, pages
IEEE , 1998. 3333-3336 p.
Keyword [en]
Antenna arrays, Antennas and propagation, Array signal processing, Base stations, Direction of arrival estimation, Fading, Mobile antennas, Multiple signal classification, Rayleigh scattering, Wireless communication
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-92552DOI: 10.1109/ICASSP.1998.679578OAI: oai:DiVA.org:kth-92552DiVA: diva2:513575
Conference
1998 IEEE International Conference on Acoustics, Speech and Signal Processing, 12-15 May 1998, Seattle, WA
Note
NR 20140805Available from: 2012-04-02 Created: 2012-04-02 Last updated: 2012-04-02Bibliographically approved

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  • apa
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