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Interference Alignment in Frequency — a Measurement Based Performance Analysis
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-7724-5896
Ericsson Research.
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-3599-5584
2012 (English)In: 2012 19th International Conference on Systems, Signals and Image Processing, IWSSIP 2012, IEEE conference proceedings, 2012, 227-230 p.Conference paper, Published paper (Refereed)
Abstract [en]

The idea of interference alignment (IA) has shown great promise in many theoretical studies. Yet it is not clear under what operating conditions it will perform better than traditional multiple access schemes under realistic network conditions. Here, we use measured channels to evaluate a number of different IA schemes and related methods, focusing on wideband single-antenna transmission, using frequency extensions for the IA. The radio channels were measured jointly from three base station sites in an urban macrocell scenario, over a 20 MHz bandwidth, allowing to emulate a scenario with 3 interfering cells (i.e. 3 interfering transmit/receive pairs). The numerical results show clear gains using IA related methods, compared to frequency planning with frequency reuse 3 and to uncoordinated transmission, even at low to moderate SNR.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2012. 227-230 p.
Keyword [en]
interference alignment, frequency extension, channel measurements, performance analysis
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-81410Scopus ID: 2-s2.0-84863921208ISBN: 978-320002328-4 (print)OAI: oai:DiVA.org:kth-81410DiVA: diva2:497432
Conference
2012 19th International Conference on Systems, Signals and Image Processing, IWSSIP 2012; Vienna; Austria; 11 April 2012 through 13 April 2012
Projects
HIATUS
Funder
ICT - The Next Generation
Note

(c) 2012 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

QC 20120416

Available from: 2012-04-16 Created: 2012-02-10 Last updated: 2014-05-14Bibliographically approved

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Brandt, RasmusBengtsson, Mats

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