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A MIMO framework for 4G systems: WINNER concept and results
Ericsson Research, Stockholm, Sweden.
Technische Universit¨at Ilmenau (TUI), Ilmenau, Germany.
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
Alcatel-Lucent, Germany.
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2007 (English)In: 2007 IEEE 8th Workshop on Signal Processing Advances in Wireless Communications, IEEE , 2007, 798-802 p.Conference paper (Refereed)
Abstract [en]

In this paper, the MIMO framework within WINNER for fourth generation radio systems is further developed and assessed for various deployment scenarios. The emphasis is on radio network system aspects of multi-antenna techniques where preferred configurations for three basic deployment scenarios are given. In the wide area scenario which aims to provide ubiquitous coverage for rural, suburban and urban areas, the scheme selection depends on the user density of spatially separated users. It ranges from grid of fixed beams (GoB) (TDMA based) in case of few users to SDMA with a fixed linear precoding codebook, and finally to adaptive beams with SDMA for highly dense system. In the metropolitan area scenario which is targeting system deployments in large urban environments, multi-user (MU) MIMO precoding performs very well for slow moving users. For higher velocities, per antenna rate control (PARC) or adaptive linear dispersion codes (LDCs) are better choices. In the local area scenario which is characterized by isolated sites, the combination of SDMA and spatial multiplexing achieved by MU-MIMO precoding provides high spectral efficiency.

Place, publisher, year, edition, pages
IEEE , 2007. 798-802 p.
Keyword [en]
MIMO, OFDM, spatial processing, spatial user grouping, WINNER
National Category
URN: urn:nbn:se:kth:diva-36419DOI: 10.1109/SPAWC.2007.4401432ISI: 000255431000160ScopusID: 2-s2.0-48049123695ISBN: 978-1-4244-0954-9OAI: diva2:430747
8th IEEE Signal Processing Advances in Wireless Communications, SPAWC 2007; Helsinki; Finland; 17 June 2007 through 20 June 2007

QC 20110712

Available from: 2011-07-12 Created: 2011-07-12 Last updated: 2014-10-29Bibliographically approved

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Jorswieck, Eduard A.
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Signal ProcessingACCESS Linnaeus Centre

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