Joint power allocation and relay selection strategy for 5G network: a step towards green communication

Akshita Abrol (), Rakesh Kumar Jha (), Sanjeev Jain () and Preetam Kumar ()
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Akshita Abrol: Shri Mata Vaishno Devi University
Rakesh Kumar Jha: Shri Mata Vaishno Devi University
Sanjeev Jain: Shri Mata Vaishno Devi University
Preetam Kumar: Indian Institute of Technology, Patna

Telecommunication Systems: Modelling, Analysis, Design and Management, 2018, vol. 68, issue 2, No 6, 215 pages

Abstract: Abstract Green communication has emerged as the most important concept for the next generation networks. Along with improved data rate and capacity, the upcoming 5G networks aim at improving energy efficiency without compromising on the user experience. In this paper, we have used amplify and forward relays in the heterogeneous network topology consisting of low power and high power nodes. A three layered system model for power optimization is discussed using a relay selection strategy for power optimization with the aim to improve energy efficiency of the network. Further, we have used Hidden Markov Model for training and maintaining of base station, relay and SCA with the aim of probabilistic power allocation to client nodes in order to solve the power optimization problem. We have also used adaptive modulation schemes for lowering the power consumption of the network to meet our goal of green communication for the next generation network.

Keywords: 5G; Energy efficiency; HMM; Green communication; Relay; Small-cell (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s11235-017-0385-1

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