NDLI: Joint user selection, mode assignment, and power allocation in cognitive radio-assisted D2D networks

Content Provider	IET Digital Library
Author	Ahmad, Mushtaq Naeem, Muhammad Iqbal, Muhammad Ejaz, Waleed Anpalagan, Alagan
Abstract	Device to device (D2D) communications are emerging as an essential part of technological solutions to boost data rates in the next generation networks. Cognitive radio (CR) opportunistically utilises spectrum to boost spectral efficiency. CR-assisted D2D networks will bring the benefits of both D2D as well as CR together in futuristic cellular networks. This study proposes to opportunistically use TV spectrum white spaces. A joint user selection, mode assignment, and power allocation in CR-assisted D2D networks can definitely yield higher data rates. The proposed study maximises data rate together with users' selection fulfilling various users' power, base station's transmit power, quality of service, and interference related thresholds. This problem is mixed integer non-linear programming and considered non-deterministic polynomial time (NP)-complete. Due to the discrete variables in the problem, finding an optimal solution with the help of an exhaustive search algorithm (ESA) becomes very challenging. The problem gets exponentially complex with the increasing number of user pairs. Thus, the need of another method becomes imperative that yields near optimal solution. Mesh adaptive direct search (MADS) algorithm is considered for solution in the CR-assisted D2D network resource management problem. Simulation results using MADS yield near optimal solution confirming the suitability of MADS for CR-assisted D2D networks.
Starting Page	1207
Ending Page	1214
Page Count	8
ISSN	17518628
Volume Number	12
e-ISSN	17518636
Issue Number	Issue 10, Jun (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/12/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2017.1206
Journal	IET Communications
Publisher Date	2018-03-08
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Base Station Cellular Radio Cognitive Radio Cognitive Radio-assisted D2D Network Computational Complexity CR-assisted D2D Network CR-assisted D2D Network Resource Management Problem D2D Network Resource Management Problem Data Rate Device-to-device Communication Electromagnetic Compatibility ESA Exhaustive Search Algorithm Futuristic Cellular Network Integer Programming Interference Interference Related Thresholds Joint User Selection MADS Algorithm Mesh Adaptive Direct Search Algorithm Mixed Integer Nonlinear Programming Mobile Radio System Mode Assignment Next Generation Network Nonlinear Programming NP-complete Optimal Solution Optimisation Technique Power Allocation Quality of Service Radio Frequency Interference Search Problem Spectral Efficiency Transmit Power TV Spectrum White Space User Pairs User Selection
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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