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How far from Kronecker can a MIMO channel be? Does it matter?
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-3599-5584
2011 (English)In: 17th European Wireless Conference 2011, EW 2011, IEEE , 2011, 212-218 p.Conference paper, Published paper (Refereed)
Abstract [en]

A common assumption in the design and analysis of many MIMO transmission schemes is the so-called Kronecker model. This model is often a crucial step to obtain mathematically tractable solutions, but has also been criticized for being unrealistic. In this paper, we present a numerical approach to determine a channel whose statistics is as far from being Kronecker as possible, keeping only an assumption of spatial stationarity. As a case study for the relevance of the Kronecker assumption, a numerical analysis is included of the performance of optimal pilot design for Kronecker and non-Kronecker channels. The numerical results indicate that for this particular application, the Kronecker assumption may be used in the algorithm design and provide performance that is close to optimal also for non-Kronecker channels.

Place, publisher, year, edition, pages
IEEE , 2011. 212-218 p.
Keyword [en]
Multiple input multiple output, Kronecker model, Semi-definite programming, Training sequence
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-46706Scopus ID: 2-s2.0-84907064477ISBN: 978-3-8007-3343-9 (print)OAI: oai:DiVA.org:kth-46706DiVA: diva2:454088
Conference
17th European Wireless Conference 2011, EW 2011, Vienna, Austria, 27 April 2011 through 29 April 2011
Note

© 2011 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. QC 20111124

Available from: 2011-11-24 Created: 2011-11-04 Last updated: 2015-04-22Bibliographically approved

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