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Distributed Multicell and Multiantenna Precoding: Characterization and Performance Evaluation
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
Mobile Communications Department EURECOM 06560 Sophia Antipolis, France.
Mobile Communications Department EURECOM 06560 Sophia Antipolis, France.
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0003-2298-6774
2009 (English)In: GLOBECOM 2009: 2009 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, VOLS 1-8 / [ed] Ulema M, IEEE , 2009, 1-6 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper considers downlink multiantenna communication with base stations that perform cooperative precoding in a distributed fashion. Most previous work in the area has assumed that transmitters have common knowledge of both data symbols of all users and full or partial channel state information (CSI). Herein, we assume that each base station only has local CSI, either instantaneous or statistical. For the case of instantaneous CSI, a parametrization of the beamforming vectors used to achieve the outer boundary of the achievable rate region is obtained for two multi-antenna transmitters and two single-antenna receivers. Distributed generalizations of classical beamforming approaches that satisfy this parametrization are provided, and it is shown how the distributed precoding design can be improved using the so-called virtual SINR framework [1]. Conceptually analog results for both the parametrization and the beamforming design are derived in the case of local statistical CSI. Heuristics on the distributed power allocation are provided in both cases, and the performance is illustrated numerically.

Place, publisher, year, edition, pages
IEEE , 2009. 1-6 p.
Series
IEEE Global Telecommunications Conference (Globecom), ISSN 1930-529X
Keyword [en]
precoding, Channel state information, virtual SINR framework
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-29617DOI: 10.1109/GLOCOM.2009.5425644ISI: 000280579101064Scopus ID: 2-s2.0-77951546342ISBN: 978-1-4244-4147-1 (print)OAI: oai:DiVA.org:kth-29617DiVA: diva2:401228
Conference
IEEE Global Telecommunications Conference (GLOBECOM 08)
Note
© 2009 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 20110301Available from: 2011-10-26 Created: 2011-02-11 Last updated: 2012-01-23Bibliographically approved

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Ottersten, Björn

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