Author
Ercan, Ali Özer, Sunay, M. O., Akyildiz, I. F.
Publication Date
2018-07-01
Publication Place
-
IEEE
Subject
Cellular IoT, 5G Systems, Energy Harvesting Systems, Energy Transferring Systems
Type
Periodical
Language
English
Digital
Yes
Manuscript
No
Library
Özyeğin University
Library Asset ID
1536-1233
Record ID
24697014-ab6a-4651-a6f0-3d315cf87371
Library Location
Electrical & Electronics Engineering
Date
2018-07-01
Notes
TÜBİTAK ; Argela of Argela 5G Center of Excellence Collaborations Program
Sample Text
This paper proposes an energy and spectrum efficient IoT network for 5G systems where spectrum is shared with the cellular system for spectrum efficiency and energy harvesting and energy transfer are utilized for energy efficiency. The IoT network, which consists of sensor nodes and a cluster head with a reliable energy source, reuses part of the cellular band whenever the cellular network does not utilize it. The cluster head performs spectrum sensing, random scheduling of the sensor nodes, and schedules some idle time for energy transfer. The sensor nodes harvest RF energy from the cellular traffic and the transferred energy from the cluster head. Provided the sensor nodes have sufficient energy, they transmit collected sensory data when scheduled. The inter-play between the cellular and IoT network introduces trade-offs between the spectrum availability, energy availability, information and energy transfer. This paper shows that for the same cellular traffic level, as the number of sensor nodes in the network increases, the IoT network utilization increases resulting in a multi-user gain thanks to the broadcast nature of the energy transfer. The results offer insights into different operational regimes and exposes what type of IoT applications may be feasible with such networks.
DOI
10.1109/TMC.2017.2740378
Cilt
17
