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Power Control for D2D Underlay in Multi-cell Massive MIMO Networks
Linköping University, Department of Electrical Engineering. Linköping University, Faculty of Science & Engineering. (Communication Systems)ORCID iD: 0000-0003-0581-1235
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-5954-434X
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-7599-4367
2018 (English)In: ITG-Fb. 276: WSA 2018: 22nd International ITG Workshop on Smart Antennas March 14-16, 2018, Bochum, Germany (CD-ROM), Berlin, Offenbach: VDE Verlag , 2018Conference paper, Published paper (Refereed)
Abstract [en]

This paper proposes a new power control and pilot allocation scheme for device-to-device (D2D) communication underlaying a multi-cell massive MIMO system. In this scheme, the cellular users in each cell get orthogonal pilots which are reused with reuse factor one across cells, while the D2D pairs share another set of orthogonal pilots. We derive a closed-form capacity lower bound for the cellular users with different receive processing schemes. In addition, we derive a capacity lower bound for the D2D receivers and a closed-form approximation of it. Then we provide a power control algorithm that maximizes the minimum spectral efficiency (SE) of the users in the network. Finally, we provide a numerical evaluation where we compare our proposed power control algorithm with the maximum transmit power case and the case of conventional multi-cell massive MIMO without D2D communication. Based on the provided results, we conclude that our proposed scheme increases the sum spectral efficiency of multi-cell massive MIMO networks.

Place, publisher, year, edition, pages
Berlin, Offenbach: VDE Verlag , 2018.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-149566ISBN: 9783800745418 (electronic)OAI: oai:DiVA.org:liu-149566DiVA, id: diva2:1231326
Conference
The 22nd International ITG Workshop on Smart Antennas (WSA 2018), March 14-16, Bochum, Germany
Projects
5Gwireless
Note

Published via CD-ROM.

Available from: 2018-07-06 Created: 2018-07-06 Last updated: 2019-06-28Bibliographically approved

Open Access in DiVA

Power Control for D2D Underlay in Multi-cell Massive MIMO Networks(303 kB)3 downloads
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Type fulltextMimetype application/pdf

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Ghazanfar, AminBjörnson, EmilLarsson, Erik G.

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Citation style
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Output format
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