NDLI: Improving spectrum access using a beam-forming relay scheme for cognitive radio transmissions

Content Provider	IET Digital Library
Author	Jaafar, Wael Ajib, Wessam Haccoun, David
Abstract	Cognitive radio (CR) systems allow unlicensed secondary users to transmit on the licensed frequency bands without degrading the transmissions of licensed primary users. Combining CR with other emerging techniques such as multi-antenna relaying may bring many benefits for the secondary transmissions. In this study, the authors propose and investigate a new relay-based cooperation scheme for a CR network to improve the secondary access to the licensed spectrum band without causing additional interference to the simultaneous primary transmission. The proposed scheme considers one multi-antenna relay node that can assist either the primary or the secondary transmission using beam-forming (BF). In the proposed new scheme, the BF weights are designed in the presence of imperfect channel state information (CSI). Simulation results show that the secondary's channel capacity is significantly improved and outperforms conventional transmission schemes. The results also reveal the impact of imperfect CSI on the primary outage performance and the efficiency of the proposed solution for minimising the interference due to imperfect CSI.
Starting Page	1094
Ending Page	1103
Page Count	10
ISSN	17518628
Volume Number	8
e-ISSN	17518636
Issue Number	Issue 7, May (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/8/7
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2013.0646
Journal	IET Communications
Publisher Date	2014-03-19
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Array Signal Processing Beamforming Relay Cognitive Radio Cognitive Radio Transmissions Cooperative Communication Imperfect Channel State Information Licensed Spectrum Band Multiantenna Relay Node Primary Outage Performance Radio Link And Equipment Relay Based Cooperation Relay Network Secondary Access Secondary Transmission Signal Processing And Detection Spectrum Access Telecommunication
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

Sl.	Authority	Responsibilities	Communication Details
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

Adaptive relaying scheme for cognitive radio networks

Analysis of energy harvesting cognitive relay network with cooperative spectrum sensing

Asymptotic throughput analysis of random beamforming for multi-antenna cognitive broadcast networks

Securing cognitive radio with a combined approach of beamforming and cooperative jamming

On outage secrecy minimisation in an energy harvesting relay assisted cognitive radio networks

Filter-and-forward transceiver design for cognitive two-way relay networks

Robust secure switching transmission in multi-antenna relaying systems: cooperative jamming or decode-and-forward beamforming

Underlay spectrum-sharing non-orthogonal multiple access network with imperfect successive interference cancellation

Secrecy sum rate maximisation in multi-antenna two-way relay networks

Improving spectrum access using a beam-forming relay scheme for cognitive radio transmissions

Similar Documents

Adaptive relaying scheme for cognitive radio networks

Analysis of energy harvesting cognitive relay network with cooperative spectrum sensing

Asymptotic throughput analysis of random beamforming for multi-antenna cognitive broadcast networks

Securing cognitive radio with a combined approach of beamforming and cooperative jamming

On outage secrecy minimisation in an energy harvesting relay assisted cognitive radio networks

Filter-and-forward transceiver design for cognitive two-way relay networks

Robust secure switching transmission in multi-antenna relaying systems: cooperative jamming or decode-and-forward beamforming

Underlay spectrum-sharing non-orthogonal multiple access network with imperfect successive interference cancellation

Secrecy sum rate maximisation in multi-antenna two-way relay networks

Improving spectrum access using a beam-forming relay scheme for cognitive radio transmissions