An iterative algorithm for downlink multi-cell beam-forming

Conference item

Le, T. and Nakhai, M. 2011. An iterative algorithm for downlink multi-cell beam-forming. 2011 IEEE Global Telecommunications Conference. Houston, TX, USA 05 - 09 Dec 2011 IEEE. pp. 1-6 https://doi.org/10.1109/GLOCOM.2011.6133913
TitleAn iterative algorithm for downlink multi-cell beam-forming
AuthorsLe, T. and Nakhai, M.
Abstract

In this paper, we address the problem of severe performance degradation of cell-edge users in conventional cellular networks via multicell processing with improved spectral efficiency. Using uplink-downlink duality, we propose an iterative multicell beamforming algorithm that minimises the total transmit power within a virtual cell of 3 adjacent sectors of 3 neighbouring BSs. We derive and employ a channel model that includes the angular spread caused by random local scatterers in the vicinity of a user. Simulation results confirm that the proposed algorithm converges fast to the optimal solution.

KeywordsMulticell processing; coordinated multipoint transmission
Conference2011 IEEE Global Telecommunications Conference
Page range1-6
Proceedings Title2011 IEEE Global Telecommunications Conference - GLOBECOM 2011
SeriesIEEE Global Telecommunications Conference (GLOBECOM)
ISSN1930-529X
Electronic1930-529X
ISBN
Electronic9781424492688
Hardcover9781424492664
Electronic9781424492671
PublisherIEEE
Publication dates
Print05 Dec 2011
Online19 Jan 2012
Publication process dates
Deposited08 Jun 2015
Output statusPublished
Digital Object Identifier (DOI)https://doi.org/10.1109/GLOCOM.2011.6133913
Web of Science identifierWOS:000300509002041
Web address (URL) of conference proceedingshttps://ieeexplore.ieee.org/xpl/conhome/6132211/proceeding
LanguageEnglish
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