NDLI: Cognitive wireless powered communication networks with secondary user selection and primary QoS constraint

Content Provider	IET Digital Library
Author	Zhang, Jinghua Kundu, Chinmoy Nguyen, Nam Phong Palacios, Emiliano Garcia Nguyen, Sang Quang
Abstract	In this research, the authors investigate the outage probability (OP) of the secondary network in a cognitive wireless powered communication network. Energy-constrained secondary users harvest energy from a hybrid access-point (H-AP) and the primary transmitter in the first phase. In the second phase, they select a secondary user based on two different schemes, namely the best uplink channel selection (UCS) and the minimal interference channel selection (MICS), to transfer information to the H-AP. The secondary network can share the same spectrum with the primary network ensuring that a desired OP constraint in the primary network is always met. This constraint represents the quality-of-service (QoS) of the primary network. The analytical expressions and asymptotic expressions of the OP of the secondary network are derived. The result shows that increasing the number of secondary users can considerably improve system performance. The transmit power of the selected secondary user, energy harvesting time and relaxing the QoS constraint of the primary network have a significant impact on the OP of the secondary network. The results show that UCS outperforms MICS.
Starting Page	1873
Ending Page	1879
Page Count	7
ISSN	17518628
Volume Number	12
e-ISSN	17518636
Issue Number	Issue 15, Sep (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/12/15
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.5552
Journal	IET Communications
Publisher Date	2018-07-24
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Analytical Expressions Asymptotic Expressions Cognitive Radio Cognitive Wireless Powered Communication Network Electromagnetic Compatibility Energy Harvesting Energy Harvesting Time Energy-constrained Secondary User H-AP Hybrid Access-point Interference MICS Minimal Interference Channel Selection OP Constraint Outage Probability Primary QoS Constraint Primary Transmitter Probability Probability Theory Quality of Service Radio Frequency Interference Radio Link And Equipment Radio Spectrum Management Radio Transmitters Secondary Network Secondary User Selection Spectrum Sharing Statistics Stochastic Linearised SCUC Telecommunication Power Management UCS Uplink Channel Selection Wireless Channel
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
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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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