NDLI: Throughput maximisation by optimising detection thresholds in full-duplex cognitive radio networks

Content Provider	IET Digital Library
Author	Tuan, Pham Viet Koo, Insoo
Abstract	Herein the authors consider throughput maximisation for a secondary user (SU) in a full-duplex cognitive radio network (FD-CRN) when the SU has two separate antennas and a self-interference suppression capability. In the FD-CRN, the SU can simultaneously sense the spectrum throughout the whole time slot and transmit data. They propose algorithms based on brute-force search and particle swarm optimisation methods to help the SU achieve optimal detection thresholds for spectrum sensing in two different FD-CRN scenarios. In the first scenario, the SU individually performs spectrum sensing, whereas in the second scenario the SU's sensing results are improved by means of cooperative spectrum sensing. Theoretical and simulation results herein show that, for certain values of the system parameters in the above two scenarios, the system under consideration provides much higher throughput than previously proposed systems in conditions of high-transmission power or low signal-to-noise ratio of the primary signal.
Starting Page	1355
Ending Page	1364
Page Count	10
ISSN	17518628
Volume Number	10
e-ISSN	17518636
Issue Number	Issue 11, Jul (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/10/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2015.1186
Journal	IET Communications
Publisher Date	2016-07-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Antenna Brute-force Search Method Cognitive Radio Combinatorial Mathematics Cooperative Communication Cooperative Spectrum Sensing Detection Threshold Optimization Electromagnetic Compatibility FD-CRN Full-duplex Cognitive Radio Network High-transmission Power Interference Interference Suppression Low Signal-to-noise Ratio Optimisation Technique Particle Swarm Optimisation Particle Swarm Optimisation Method Radio Link And Equipment Radio Spectrum Management Search Problem Secondary User Self-interference Suppression Capability Signal Detection Single Antenna Throughput Maximisation
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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