NDLI: Cluster oriented resource allocation and power optimisation for D2D network in cellular communications

Content Provider	IET Digital Library
Author	Gour, Radhika Tyagi, Anshul
Abstract	This work proposes a cluster oriented channel assignment and difference of two convex functions (d.c.) programming based power optimisation algorithm for the downlink device-to-device (D2D) communication underlaying cellular networks. The authors' objective is to maximise D2D throughput while protecting the performance of existing cellular users (CUs) whose channel is reused among multiple D2D pairs, by imposing a minimum rate requirement constraint on each CU. The joint channel and power optimisation problem is a mixed integer non-linear programming problem that is NP-hard to solve. Therefore, a three stage solution is proposed: cluster formation to minimise the interference among the D2D pairs followed by an optimal channel assignment using the Hungarian algorithm and then an iterative power optimisation algorithm based on d.c. programming. Moreover, the transmission power of base station and D2D users is optimised on the same channel while considering the mutual interference among D2D pairs. Numerical results verify the effectiveness of the proposed resource allocation scheme in terms of the D2D sum rate and the number of successful transmission of D2D users. Moreover, the iterative power optimisation algorithm shows a fast convergence behaviour. In addition to this, the energy efficiency is also analysed with respect to various parameters.
Starting Page	170
Ending Page	179
Page Count	10
ISSN	20474954
Volume Number	9
e-ISSN	20474962
Issue Number	Issue 4, Jul (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-net/9/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-net.2019.0091
Journal	IET Networks
Publisher Date	2020-05-27
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Base Station Cellular Communication Cellular Network Cellular Radio Cellular Transmission Cellular User Channel Allocation Cluster Formation Cluster Oriented Channel Assignment Convex Programming D2D Maximum Transmit Power D2D Sum Rate Dc Programming Based Power Optimisation Algorithm Difference of Two Convex Function Downlink Device-to-device Communication Hungarian Algorithm Integer Programming Interpolation And Function Approximation Iterative Method Iterative Power Optimisation Algorithm Minimum Rate Requirement Constraint Mixed Integer Nonlinear Programming Problem Mobile Radio System Multiple D2D Pairs Nonlinear Programming Numerical Analysis Optimal Channel Assignment Optimisation Technique Power Optimisation Problem Resource Allocation Resource Allocation Scheme Transmission Power
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Management Science and Operations Research Computer Networks and Communications

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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