Reference : On the Principles of Multicell Precoding with Centralized and Distributed Cooperation...

	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/10993/7578

Title :	On the Principles of Multicell Precoding with Centralized and Distributed Cooperation Björnson, Emi Ottersten, Björn
Language :	English
Author, co-author :	Björnson, Emil [> >]
	Ottersten, Björn [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Publication date :	2009
Main document title :	Wireless Communications & Signal Processing, 2009. WCSP 2009. International Conference on
Pages :	1-1
Peer reviewed :	Yes
Audience :	International
ISBN :	978-1-4244-4856-2
Event name :	Wireless Communications & Signal Processing, 2009. WCSP 2009. International Conference on
Event date :	13-15 November 2009
Event place (city) :	Nanjing
Event country :	China
Abstract :	[en] Cooperative precoding is an attractive way of improving the performance in multicell downlink scenarios. By serving each terminal through multiple surrounding base stations, inter-cell interference can be coordinated and higher spectral efficiency achieved, especially for terminals at cell edges. The optimal performance of multicell precoding is well-known as it can be treated as a single cell with distributed antennas. However, the requirements on backhaul signaling and computational power scales rapidly in large and dense networks, which often makes such fully centralized approaches impractical. In this paper, we review and generalize some recent work on multicell precoding with both centralized and distributed cooperation. We propose practical precoding strategies under Rician channel conditions, and illustrate how the major gain of multicell precoding originates from having good base station synchronization and not from making centralized precoding decisions.
Target :	Others
Permalink :	http://hdl.handle.net/10993/7578
DOI :	10.1109/WCSP.2009.5371760
Commentary :	Invited Paper

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