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On The Error of Kronecker Structure Based MIMO Channel Model
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0002-3599-5584
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0003-2298-6774
2004 (English)In: Proceedings of Nordic Radio Symposium, NRS 2004, 2004Conference paper, Published paper (Other academic)
Abstract [en]

Herein, we investigate the mismatch of the Kronecker structure based MIMO channel model. Finding the minimum mismatch is trivial and the result is always 0. The maximization problem, on the other hand, is not convex in general. Therefore we combine semidefinite programming with a grid search, to find a lower bound of the maximum mismatch. Numerical examples show that the bound is tight even for moderate number of points in the grid. The resulting worst case model error, is much larger than the model error previously observed in measurement campaigns, which confirms that the channel correlation matrix can, indeed, be well approximated by the Kronecker product of the correlation matrices at the transmitter and receiver for the measured NLOS indoor scenarios.

Place, publisher, year, edition, pages
2004.
Keyword [en]
MIMO, channel correlation matrix, NLOS
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-46717OAI: oai:DiVA.org:kth-46717DiVA: diva2:454048
Conference
Proceedings of Nordic Radio Symposium. Aug. 2004.
Note
QC 20111107Available from: 2011-11-04 Created: 2011-11-04 Last updated: 2012-06-06Bibliographically approved

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Bengtsson, MatsOttersten, Björn

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