NDLI: Time evolutionary wideband propagation channel model for user positioning in UMTS

Content Provider	IEEE Xplore Digital Library
Author	Cabrera, M. Vidal, J. Munoz, O.
Copyright Year	2001
Description	Author affiliation: Dept. de Teoria del Senyal i Comunicacions, Univ. Politecnica de Catalunya, Barcelona, Spain (Cabrera, M.)
Abstract	A new time variant wideband propagation channel model is presented for user location applications in third generation mobile environments. The model considers evolutionary angle of arrival (AOA) and evolutionary time of arrival (TOA), based on the real instantaneous relative user equipment and base station position. The channel model proposed is used also in a link level simulator (LLS) to estimate realistic delay and angle of arrival coherence time, that is, the time in which position and time delay and angle of arrival for the received signal remain almost constant. In order to increase the time integration period and consequently reduce the error in geographical positioning, the maximum coherence time has to be known in the time delay and angle estimating process. The new wideband propagation channel model will provide the delay and angle estimating process with realistic coherence time and Doppler spread. The model also provides spatial correlation matrices for different diversity base station (BS) antenna schemes and compares them with experimental results.
Starting Page	1442
Ending Page	1446
File Size	429385
Page Count	5
File Format	PDF
ISBN	0780370058
ISSN	10903038
DOI	10.1109/VTC.2001.956435
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-10-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wideband 3G mobile communication Delay effects Delay estimation Propagation delay Coherence Azimuth Base stations Mobile communication Transmitting antennas
Content Type	Text
Resource Type	Article

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