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Energy Efficiency and Sum Rate when Massive MIMO meets Device-to-Device Communication
KTH Royal Institute of Technology, Sweden.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.
CentraleSupelec, France.
KTH Royal Institute of Technology, Sweden.
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2015 (English)Conference paper (Refereed)
Abstract [en]

This paper considers a scenario of short-range communication, known as device-to-device (D2D) communication, where D2D users reuse the downlink resources of a cellular network to transmit directly to their corresponding receivers. In addition, multiple antennas at the base station (BS) are used in order to simultaneously support multiple cellular users using multiuser or massive MIMO. The network model considers a fixed number of cellular users and that D2D users are distributed according to a homogeneous Poisson point process (PPP). Two metrics are studied, namely, average sum rate (ASR) and energy efficiency (EE). We derive tractable expressions and study the tradeoffs between the ASR and EE as functions of the number of BS antennas and density of D2D users for a given coverage area.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2015. 627-632 p.
National Category
Communication Systems Signal Processing Telecommunications
Identifiers
URN: urn:nbn:se:liu:diva-128641DOI: 10.1109/ICCW.2015.7247251ISI: 000380459900106OAI: oai:DiVA.org:liu-128641DiVA: diva2:930955
Conference
IEEE International Conference on Communication Workshop (ICCW)
Available from: 2016-05-26 Created: 2016-05-26 Last updated: 2016-09-25

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Björnson, Emil
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Communication SystemsFaculty of Science & Engineering
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ReferencesLink to record
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