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On the Principles of Multicell Precoding with Centralized and Distributed Cooperation
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: 0000-0003-2298-6774
2009 (English)In: 2009 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS AND SIGNAL PROCESSING (WCSP 2009), NEW YORK: IEEE , 2009, 1644-1648 p.Conference paper, Published paper (Refereed)
Abstract [en]

Cooperative precoding is an attractive way of improving the performance in multicell downlink scenarios. By serving each terminal through multiple surrounding base stations, inter-cell interference can be coordinated and higher spectral efficiency achieved, especially for terminals at cell edges. The optimal performance of multicell precoding is well-known as it can be treated as a single cell with distributed antennas. However, the requirements on backhaul signaling and computational power scales rapidly in large and dense networks, which often makes such fully centralized approaches impractical. In this paper, we review and generalize some recent work on multicell precoding with both centralized and distributed cooperation. We propose practical precoding strategies under Rician channel conditions, and illustrate how the major gain of multicell precoding originates from having good base station synchronization and not from making centralized precoding decisions.

Place, publisher, year, edition, pages
NEW YORK: IEEE , 2009. 1644-1648 p.
Keyword [en]
Array signal processing, Base stations, Computer networks, Downlink, Interference, Paper technology, Performance gain, Rician channels, Signal to noise ratio, Transmitters
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-32266DOI: 10.1109/WCSP.2009.5371760ISI: 000288686400359Scopus ID: 2-s2.0-77749311420ISBN: 978-1-4244-4856-2 (print)OAI: oai:DiVA.org:kth-32266DiVA: diva2:409816
Conference
International Conference on Wireless Communications and Signal Processing
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 20110411, Best Paper Award

Available from: 2011-10-26 Created: 2011-04-11 Last updated: 2013-02-25Bibliographically approved

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