Reference : Computational Framework for Optimal Robust Beamforming in Coordinated Multicell Systems

	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Computer science Engineering, computing & technology : Electrical & electronics engineering
	To cite this reference:	http://hdl.handle.net/10993/7503

Title :	Computational Framework for Optimal Robust Beamforming in Coordinated Multicell Systems
Language :	English
Author, co-author :	Björnson, Emil [> >]
	Bengtsson, Mats [> >]
	Zheng, Gan [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Ottersten, Björn [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Publication date :	2011
Main document title :	Computational Framework for Optimal Robust Beamforming in Coordinated Multicell Systems
Publisher :	IEEE
Pages :	245 - 248
Peer reviewed :	Yes
Audience :	International
Event name :	4th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)
Event date :	13-16 December 2011
Event organizer :	IEEE
Event place (city) :	San Juan
Event country :	PR
Abstract :	[en] Coordinated beamforming can significantly improve the performance of cellular systems through joint interference management. Unfortunately, such beamforming optimization problems are typically NP-hard in multicell scenarios, making heuristic beamforming the only feasible choice in practice. This paper proposes a new branch-reduce-and-bound algorithm that solves such optimization problems globally, with a complexity suitable for benchmarking and analysis. Compared to prior work, the framework handles robustness to uncertain intercell interference and numerical analysis shows higher efficiency.
Target :	Researchers ; Professionals ; Students ; Others
Permalink :	http://hdl.handle.net/10993/7503
DOI :	10.1109/CAMSAP.2011.6135994
Commentary :	Best Student Paper Award

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