NDLI: Optimal power control and spectrum sensing for throughput maximisation in cognitive radio systems under PUEA

Content Provider	IET Digital Library
Author	Karimi, Mohammad Dehghani, Ziba Sadough, Seyed Mohammad Sajad Torabi, Mohammad
Abstract	The authors propose an optimal joint power control and multi-band spectrum sensing scheme for cognitive radio (CR) systems to increase the spectral efficiency and to overcome the spectrum-sensing errors, in the presence of primary user emulation attacker (PUEA). This optimisation problem is solved to maximise the opportunistic CR data rate under interference and power budget constraints. To solve the formulated optimisation problem, they convert it to a convex problem, and then derive an optimal strategy for joint power control and spectrum access in the considered CR system. They show that the optimal strategy follows a quasi-underlay signaling, which is equipped with spectrum sensing. They evaluate the performance of the optimised scheme for the CR system in the presence of PUEA, and compare it with the conventional underlay scheme. For more comparison, they compare the proposed approach to that of a similar system, which does not consider the PUEA in the formulation of the joint spectrum sensing and power allocation. They show that the proposed optimal joint power control and spectrum sensing can significantly improve the system performance in terms of average achievable CR data rates compared with the considered conventional methods.
Starting Page	2735
Ending Page	2742
Page Count	8
ISSN	17518628
Volume Number	13
e-ISSN	17518636
Issue Number	Issue 17, Oct (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/13/17
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2019.0224
Journal	IET Communications
Publisher Date	2019-07-17
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Average Achievable CR Data Rates Cognitive Radio Cognitive Radio System Considered CR System Conventional Underlay Scheme Convex Problem Equal Power Allocation Formulated Optimisation Problem Interference Joint Spectrum Sensing Multiband Spectrum Sensing Scheme Opportunistic CR Data Rate Optimal Joint Power Control Optimal Power Control Optimal Strategy Optimisation Optimisation Technique Optimised Scheme Power And Energy Control Power Budget Constraint Power Control Primary User Emulation Attacker PUEA Radio Link And Equipment Radio Spectrum Management Signal Detection Spectrum Access Spectrum-sensing Error System Performance Telecommunication Security Throughput Maximisation
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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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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