Multiuser MIMO downlink made practical: Application to IEEE 802.16m

Bruno Clerckx; David Mazzarese; Gil Kim; Sungjin Kim

doi:10.1109/VETECS.2009.5073705

Multiuser MIMO downlink made practical: Application to IEEE 802.16m

Bruno Clerckx, David Mazzarese, Gil Kim, Sungjin Kim

School of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

9 Citations (Scopus)

Abstract

Multi-User (MU) Muliple Input-Multiple Output (MIMO) has become an essential technology to achieve IMT advanced requirements. Performance of limited feedback MultiUser MIMO in spatially and time correlated channels are investigated in this paper. A special attention is drawn to the case where users have the opportunity to adapt their codebooks as a function of their own channel statistics (i.e. transmit correlation, time correlation or channel imbalance in dual-polarized scenarios). New codebook designs are provided for various propagation conditions. We show by analytical derivations (e.g. sum-rate analysis) and confirm by simulations how those channel statistics can be efficiently exploited in the design of Multi-User MIMO schemes with very low feedback overhead and low complexity. Those approaches are currently strong candidates to boost performance of IEEE 802.16m way beyond IEEE 802.16e and 3GPP LTE.

Original language	English
Title of host publication	VTC Spring 2009 - IEEE 69th Vehicular Technology Conference
DOIs	https://doi.org/10.1109/VETECS.2009.5073705
Publication status	Published - 2009
Event	VTC Spring 2009 - IEEE 69th Vehicular Technology Conference - Barcelona, Spain Duration: 2009 Apr 26 → 2009 Apr 29

Publication series

Name	IEEE Vehicular Technology Conference
ISSN (Print)	1550-2252

Other

Other	VTC Spring 2009 - IEEE 69th Vehicular Technology Conference
Country	Spain
City	Barcelona
Period	09/4/26 → 09/4/29

ASJC Scopus subject areas

Computer Science Applications
Electrical and Electronic Engineering
Applied Mathematics

Access to Document

10.1109/VETECS.2009.5073705

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Cite this

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abstract = "Multi-User (MU) Muliple Input-Multiple Output (MIMO) has become an essential technology to achieve IMT advanced requirements. Performance of limited feedback MultiUser MIMO in spatially and time correlated channels are investigated in this paper. A special attention is drawn to the case where users have the opportunity to adapt their codebooks as a function of their own channel statistics (i.e. transmit correlation, time correlation or channel imbalance in dual-polarized scenarios). New codebook designs are provided for various propagation conditions. We show by analytical derivations (e.g. sum-rate analysis) and confirm by simulations how those channel statistics can be efficiently exploited in the design of Multi-User MIMO schemes with very low feedback overhead and low complexity. Those approaches are currently strong candidates to boost performance of IEEE 802.16m way beyond IEEE 802.16e and 3GPP LTE.",

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