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Multi-Way Massive MIMO with Maximum-Ratio Processing and Imperfect CSI
Queens Univ Belfast, North Ireland.
Linköpings universitet, Institutionen för systemteknik, Kommunikationssystem. Linköpings universitet, Tekniska fakulteten. Queens Univ Belfast, North Ireland.
Queens Univ Belfast, North Ireland.
Queens University Belfast, Belfast, Ireland.
2017 (engelsk)Inngår i: 2017 25TH EUROPEAN SIGNAL PROCESSING CONFERENCE (EUSIPCO), IEEE , 2017, s. 1704-1708Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

This paper considers a multi-way massive multiple-input multiple-output amplify-and-forward relaying system, where single-antenna users exchange their information-bearing signals with the assistance of one relay station equipped with unconventionally many antennas. The relay first estimates the channels to all users through the pilot signals transmitted from them. Then, the relay uses maximum-ratio processing (i.e. maximum-ratio combining in the multiple-access phase and maximum-ratio transmission in the broadcast phase) to process the signals. A rigorous closed-form expression for the spectral efficiency is derived. We show that by deploying massive antenna arrays at the relay and simple maximum-ratio processing, we can serve many users in the same time-frequency resource, while maintaining a given quality-of-service for each user.

sted, utgiver, år, opplag, sider
IEEE , 2017. s. 1704-1708
Serie
European Signal Processing Conference, ISSN 2076-1465
Emneord [en]
Channel state information; massive MIMO; multi-way relay networks
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-147481DOI: 10.23919/EUSIPCO.2017.8081500ISI: 000426986000344ISBN: 978-0-9928-6267-1 (tryckt)OAI: oai:DiVA.org:liu-147481DiVA, id: diva2:1199546
Konferanse
25th European Signal Processing Conference (EUSIPCO)
Merknad

Funding Agencies|Binh Duong government, Vietnam [3811/QD-UBND]; U.K. EPSRC [EP/P019374/1]; U.K. Royal Academy of Engineering [RF1415\14\22]; EPSRC [EP/P000673/1]; Swedish Research Council (VR); ELLIIT

Tilgjengelig fra: 2018-04-20 Laget: 2018-04-20 Sist oppdatert: 2018-05-03

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