NDLI: Covariance-Based Spatial Channel Structure Emulation for MIMO OTA Testing

Content Provider	IEEE Xplore Digital Library
Author	Tsakalaki, E. Alrabadi, O.N. Wei Fan Pedersen, G.F.
Copyright Year	1997
Abstract	The paper presents a general framework for recreating the spatial channel structure in a MIMO over-the-air (OTA) multiprobe anechoic chamber testing setup. The idea is to find the power weights of the spatial taps (antenna probes) that minimize a certain distance between the spatial channel covariance matrix corresponding to the desired (continuous) channel and the covariance related to the emulated (discrete) channel within the test area. Unlike previous methods that merely rely on the spatial correlation coefficient, the proposed approach properly accounts for emulating the power imbalance among the antennas-under-test by considering the whole spatial covariance structure. The simulation results validate the improved performance of the suggested approach in terms of emulation accuracy compared to the key emulation methods proposed in the literature.
Starting Page	205
Ending Page	208
Page Count	4
File Size	191330
File Format	PDF
ISSN	10897798
Volume Number	18
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Emulation Probes MIMO Covariance matrices Correlation Antennas Testing convex optimization Multiple-input-multiple-output (MIMO) systems over-the-air (OTA) testing spatial covariance matrix power azimuth spectrum
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Modeling and Simulation Computer Science Applications

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