Optimality Properties and Low-Complexity Solutions to Coordinated Multicell Transmission

Björnson, Emil; Bengtsson, Mats; Ottersten, Björn

doi:10.1109/GLOCOM.2010.5683353

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Optimality Properties and Low-Complexity Solutions to Coordinated Multicell Transmission

Björnson, Emil; Bengtsson, Mats; Ottersten, Björn

2010 • In Global Telecommunications Conference (GLOBECOM 2010), 2010 IEEE

Peer reviewed

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https://hdl.handle.net/10993/7523

DOI
10.1109/GLOCOM.2010.5683353

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Abstract :

[en] Base station cooperation can theoretically improve the throughput of multicell systems by coordinating interference and serving cell edge terminals through multiple base stations. In practice, the extent of cooperation is limited by the increase in backhaul signaling and computational demands. To address these concerns, we propose a novel distributed cooperation structure where each base station has responsibility for the interference towards a set of terminals, while only serving a subset of them with data. Weighted sum rate maximization is considered, and conditions for beamforming optimality and the optimal transmission structure are derived using Lagrange duality theory. This leads to distributed low-complexity transmission strategies, which are evaluated on measured multiantenna channels in a typical urban multicell environment.

Disciplines :

Computer science
Computer science

Identifiers :

UNILU:UL-ARTICLE-2010-611

Author, co-author :

Björnson, Emil

Bengtsson, Mats

Ottersten, Björn ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)

Language :

English

Title :

Optimality Properties and Low-Complexity Solutions to Coordinated Multicell Transmission

Publication date :

2010

Event name :

Global Telecommunications Conference (GLOBECOM 2010), 2010 IEEE

Event place :

Miami, FL, United States

Event date :

6-10 Dec. 2010

Audience :

International

Main work title :

Global Telecommunications Conference (GLOBECOM 2010), 2010 IEEE

Publisher :

IEEE

ISBN/EAN :

978-1-4244-5636-9

Pages :

1-6

Peer reviewed :

Peer reviewed

Available on ORBilu :

since 03 October 2013

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