User position aware multicell beamforming for a distributed antenna system

Conference paper

Le, T. and Nakhai, M. 2011. User position aware multicell beamforming for a distributed antenna system. IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications. Toronto, ON, Canada 11 - 14 Sep 2011 IEEE. pp. 1423-1427 https://doi.org/10.1109/PIMRC.2011.6139736
TypeConference paper
TitleUser position aware multicell beamforming for a distributed antenna system
AuthorsLe, T. and Nakhai, M.
Abstract

Implementing a distributed antenna system (DAS) improves system capacity and reduces transmit power. One challenge in a DAS is intercell interference due to simultaneously supporting multiple users with the same carrier frequency. We propose a multicell beamforming (MBF) technique to remove intercell interference amongst coordinated cells within a DAS. As the MBF technique requires circulations of users' data amongst groups of cells, we introduce a user position aware (UPA) MBF algorithm to reduce backhaul burden. Our proposed UPA MBF scheme guarantees a consistent quality of service to users irrespective of their locations within a cell with minimum total transmit power across base stations of a DAS. An effective sum rate formula is also derived to evaluate the backhaul effects on these schemes.

KeywordsCoordinated multi-point transmission; distributed antenna system
ConferenceIEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications
Page range1423-1427
Proceedings Title2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications
SeriesIEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC)
ISSN2166-9570
ISBN
Electronic9781457713484
Hardcover9781457713460
Electronic9781457713477
PublisherIEEE
Publication dates
Print11 Sep 2011
Online26 Jan 2012
Publication process dates
Deposited08 Jun 2015
Output statusPublished
Digital Object Identifier (DOI)https://doi.org/10.1109/PIMRC.2011.6139736
Web of Science identifierWOS:000300719700276
Web address (URL) of conference proceedingshttps://ieeexplore.ieee.org/xpl/conhome/6126164/proceeding
LanguageEnglish
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