Near-optimal Downlink precoding of a MISO system for a secondary network under the SINR constraints of a primary network

Handle URI:
http://hdl.handle.net/10754/564698
Title:
Near-optimal Downlink precoding of a MISO system for a secondary network under the SINR constraints of a primary network
Authors:
Park, Kihong ( 0000-0002-6867-4277 ) ; Alouini, Mohamed-Slim ( 0000-0003-4827-1793 )
Abstract:
In this paper, we study a multiple-input single-output cognitive radio (CR) system where only the primary base station (BS) has multiple antennas. We consider a rate maximization problem of the secondary network under signal-to-interference-plus-noise-ratio constraints on the primary network in order to guarantee the quality-of-service for the latter network. While the interference due to the secondary transmission in the conventional underlay CR approach may severely degrade the performance of the primary network, we propose a primary BS-aided approach in which the primary BS helps relay the secondary users' signals instead of allowing them to communicate with each other via a direct path between them. In addition, an algorithm to find a near-optimal beamforming solution at the primary BS is proposed. Finally, based on some selected numerical results, we show that the proposed scheme outperforms the conventional underlay CR configuration over a wide transmit power range. © 2013 IEEE.
KAUST Department:
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division; Electrical Engineering Program; Communication Theory Lab
Publisher:
Institute of Electrical and Electronics Engineers (IEEE)
Journal:
2013 IEEE Wireless Communications and Networking Conference (WCNC)
Conference/Event name:
2013 IEEE Wireless Communications and Networking Conference, WCNC 2013
Issue Date:
Apr-2013
DOI:
10.1109/WCNC.2013.6554953
Type:
Conference Paper
ISSN:
15253511
ISBN:
9781467359399
Appears in Collections:
Conference Papers; Electrical Engineering Program; Communication Theory Lab; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorPark, Kihongen
dc.contributor.authorAlouini, Mohamed-Slimen
dc.date.accessioned2015-08-04T07:12:55Zen
dc.date.available2015-08-04T07:12:55Zen
dc.date.issued2013-04en
dc.identifier.isbn9781467359399en
dc.identifier.issn15253511en
dc.identifier.doi10.1109/WCNC.2013.6554953en
dc.identifier.urihttp://hdl.handle.net/10754/564698en
dc.description.abstractIn this paper, we study a multiple-input single-output cognitive radio (CR) system where only the primary base station (BS) has multiple antennas. We consider a rate maximization problem of the secondary network under signal-to-interference-plus-noise-ratio constraints on the primary network in order to guarantee the quality-of-service for the latter network. While the interference due to the secondary transmission in the conventional underlay CR approach may severely degrade the performance of the primary network, we propose a primary BS-aided approach in which the primary BS helps relay the secondary users' signals instead of allowing them to communicate with each other via a direct path between them. In addition, an algorithm to find a near-optimal beamforming solution at the primary BS is proposed. Finally, based on some selected numerical results, we show that the proposed scheme outperforms the conventional underlay CR configuration over a wide transmit power range. © 2013 IEEE.en
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en
dc.titleNear-optimal Downlink precoding of a MISO system for a secondary network under the SINR constraints of a primary networken
dc.typeConference Paperen
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Divisionen
dc.contributor.departmentElectrical Engineering Programen
dc.contributor.departmentCommunication Theory Laben
dc.identifier.journal2013 IEEE Wireless Communications and Networking Conference (WCNC)en
dc.conference.date7 April 2013 through 10 April 2013en
dc.conference.name2013 IEEE Wireless Communications and Networking Conference, WCNC 2013en
dc.conference.locationShanghaien
kaust.authorPark, Kihongen
kaust.authorAlouini, Mohamed-Slimen
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