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The Impact of beamforming and coordination on spectrum pooling in mmWave Cellular networks
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-6737-0266
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9810-3478
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2016 (English)In: Signals, Systems and Computers, 2016 50th Asilomar Conference on, Institute of Electrical and Electronics Engineers (IEEE), 2016, article id 7868986Conference paper, Published paper (Refereed)
Abstract [en]

Spectrum pooling is not typically used in current cellular networks, because it only provides a slight performance improvement while requiring heavy coordination among different cellular operators. However, these problems can be potentially overcome in millimeter-wave (mmWave) networks, thanks to the use of beamforming both at base stations and at user equipments. In this paper, we develop a joint beamforming and cell association optimization problem to characterize the performance gain that can be obtained when spectrum pooling is used, as a function of the underlying beamforming and coordination strategies. Our performance analysis reveals that beamforming can substantially reduce the need for coordination and simplify the implementation of spectrum pooling. These benefits are more prominent at higher mmWave frequencies (for example, 73 GHz) due to the possibility of having antenna arrays with more elements within the radome. The results of this paper provides useful insights on the feasibility of spectrum pooling at mmWave networks.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2016. article id 7868986
Series
Conference Record of the Asilomar Conference on Signals Systems and Computers, ISSN 1058-6393
Keywords [en]
Spectrum pooling, millimeter wave networks, coordination, beamforming
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-199610DOI: 10.1109/ACSSC.2016.7868986ISI: 000406057400004Scopus ID: 2-s2.0-85016273681ISBN: 9781538639542 (print)OAI: oai:DiVA.org:kth-199610DiVA, id: diva2:1063772
Conference
50th Asilomar Conference on Signals, Systems and Computers, ACSSC 2016, Asilomar Hotel and Conference GroundsPacific Grove, United States, 6 November 2016 through 9 November 2016
Funder
Swedish Research CouncilSwedish Foundation for Strategic Research , SM13-0008
Note

QC 20170113

Available from: 2017-01-10 Created: 2017-01-10 Last updated: 2017-08-28Bibliographically approved

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