Please use this identifier to cite or link to this item: http://localhost/handle/Hannan/580794
Title: Co-Ordinated Secure Beamforming in K User Interference Channel With Multiple Eavesdroppers
Authors: Tiejun Lv;Hui Gao;Ruohan Cao;Jian Zhou
subject: Science & Technology
Year: 2016
Publisher: IEEE
Abstract: In this letter, we consider secrecy communications over multiple-input single-output K-user interference channel in the presence of multiple eavesdroppers. Each legitimate data link is wiretapped by several eavesdroppers. To keep the eavesdroppers ignorant of the confidential messages, we propose a co-ordinated secure beamforming scheme for maximizing the secrecy sum-rate subject to the individual power constraint of each transmitter. To solve the resultant nonconvex problem, we approximate it into a few semidefinite programs (SDPs) by employing the semidefinite relaxation (SDR) technique and a conservative convex approximation. It is demonstrated experimentally that the proposed algorithm converges within a few iterations. Furthermore, we prove that the SDP problem obtained via SDR always yields a rank-one solution such that the SDR is tight. Simulations show the efficacy of the proposed scheme.
URI: http://localhost/handle/Hannan/164848
http://localhost/handle/Hannan/580794
ISSN: 2162-2337
2162-2345
volume: 5
issue: 2
Appears in Collections:2016

Files in This Item:
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Title: Co-Ordinated Secure Beamforming in K User Interference Channel With Multiple Eavesdroppers
Authors: Tiejun Lv;Hui Gao;Ruohan Cao;Jian Zhou
subject: Science & Technology
Year: 2016
Publisher: IEEE
Abstract: In this letter, we consider secrecy communications over multiple-input single-output K-user interference channel in the presence of multiple eavesdroppers. Each legitimate data link is wiretapped by several eavesdroppers. To keep the eavesdroppers ignorant of the confidential messages, we propose a co-ordinated secure beamforming scheme for maximizing the secrecy sum-rate subject to the individual power constraint of each transmitter. To solve the resultant nonconvex problem, we approximate it into a few semidefinite programs (SDPs) by employing the semidefinite relaxation (SDR) technique and a conservative convex approximation. It is demonstrated experimentally that the proposed algorithm converges within a few iterations. Furthermore, we prove that the SDP problem obtained via SDR always yields a rank-one solution such that the SDR is tight. Simulations show the efficacy of the proposed scheme.
URI: http://localhost/handle/Hannan/164848
http://localhost/handle/Hannan/580794
ISSN: 2162-2337
2162-2345
volume: 5
issue: 2
Appears in Collections:2016

Files in This Item:
File Description SizeFormat 
7387725.pdf181.97 kBAdobe PDFThumbnail
Preview File
Title: Co-Ordinated Secure Beamforming in K User Interference Channel With Multiple Eavesdroppers
Authors: Tiejun Lv;Hui Gao;Ruohan Cao;Jian Zhou
subject: Science & Technology
Year: 2016
Publisher: IEEE
Abstract: In this letter, we consider secrecy communications over multiple-input single-output K-user interference channel in the presence of multiple eavesdroppers. Each legitimate data link is wiretapped by several eavesdroppers. To keep the eavesdroppers ignorant of the confidential messages, we propose a co-ordinated secure beamforming scheme for maximizing the secrecy sum-rate subject to the individual power constraint of each transmitter. To solve the resultant nonconvex problem, we approximate it into a few semidefinite programs (SDPs) by employing the semidefinite relaxation (SDR) technique and a conservative convex approximation. It is demonstrated experimentally that the proposed algorithm converges within a few iterations. Furthermore, we prove that the SDP problem obtained via SDR always yields a rank-one solution such that the SDR is tight. Simulations show the efficacy of the proposed scheme.
URI: http://localhost/handle/Hannan/164848
http://localhost/handle/Hannan/580794
ISSN: 2162-2337
2162-2345
volume: 5
issue: 2
Appears in Collections:2016

Files in This Item:
File Description SizeFormat 
7387725.pdf181.97 kBAdobe PDFThumbnail
Preview File