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On Energy Efficiency of Prioritized IoT Systems
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.ORCID iD: 0000-0002-6614-5208
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Radio Systems Laboratory (RS Lab).ORCID iD: 0000-0003-0525-4491
2017 (English)In: Globecom 2017 - 2017 IEEE Global Communications Conference, IEEE, 2017Conference paper, Published paper (Refereed)
Abstract [en]

The inevitable deployment of 5G and the Internet of Things (IoT) sheds the light on the importance of the energy efficiency (EE) performance of Device-to- Device (DD) communication systems. In this work, we address a potential IoT application, where different prioritized DD system, i.e., Low-Priority (LP) and High-Priority (HP) systems, co-exist and share the spectrum. We maximize the EE of each system by proposing two schemes. The first scheme optimizes the individual transmission power and the spatial density of each system. The second scheme optimizes the transmission power ratio of both systems and the spatial density of each one. We also construct and analytically solve a multi- objective optimization problem that combines and jointly maximizes both HP and LP EE performance. Unique structures of the addressed problems are verified. Via numerical results we show that the system which dominates the overall EE (combined EEs of both HP and LP) is the system corresponding to the lowest power for low/high power ratio (between HP and LP systems). However, if the power ratio is close to one, the dominating EE corresponds to the system with higher weight.

Place, publisher, year, edition, pages
IEEE, 2017.
Series
IEEE Global Communications Conference, ISSN 2334-0983
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-211447DOI: 10.1109/GLOCOM.2017.8254464ISI: 000428054302059Scopus ID: 2-s2.0-85046356072ISBN: 978-1-5090-5019-2 (print)OAI: oai:DiVA.org:kth-211447DiVA, id: diva2:1129231
Conference
2017 IEEE Global Communications Conference, GLOBECOM 2017, Marina Bay Sands Convention Centre, Singapore, Singapore, 4 December 2017 through 8 December 2017
Note

QC 20170811

Available from: 2017-08-01 Created: 2017-08-01 Last updated: 2018-06-01Bibliographically approved

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Alabbasi, AbdulrahmanCavdar, Cicek

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