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Receive Beamforming Design Based on a Multiple-state Interference Model
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.
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: 2011 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC), IEEE , 2011, 1-6 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, we propose a multiple-state other-cell interference (OCI) model, which takes into account the interference variability and uncertainty created by scheduling and other fast resource allocation adaptivity. This situation is modeled by a set of states, each described by a spatial covariance matrix and a probability. In order to illustrate the usefulness of such a model, we study two receive beamforming design problems, one maximizing the average data rate and one maximizing the worst-case data rate. We compare the resulting performance with what can be obtained when state information is not available. We show theoretically and numerically that exploring the multiple-state OCI structure can improve the receive beamforming design efficiency, especially for cell-edge users in a interference-limited system.

Place, publisher, year, edition, pages
IEEE , 2011. 1-6 p.
Series
IEEE International Conference on Communications, ISSN 1550-3607
Keyword [en]
Array signal processing, Colored noise, Data models, Hidden Markov models, Interference, Receivers, Signal to noise ratio
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-45663DOI: 10.1109/icc.2011.5963392ISI: 000296057105104Scopus ID: 2-s2.0-80052155137ISBN: 978-1-61284-232-5 (print)OAI: oai:DiVA.org:kth-45663DiVA: diva2:452792
Conference
IEEE International Conference on Communications (ICC) Location: Kyoto, JAPAN Date: JUN 05-09, 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 20111031Available from: 2011-10-31 Created: 2011-10-31 Last updated: 2012-01-02Bibliographically approved

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Bengtsson, Mats

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