BEAMFORMING FOR DUAL-HOP SATELLITE COMMUNICATIONS AGAINST EAVESDROPPING | Zendy

Chunyan Yin | Zendy; Min Lin | Zendy; Zhi Lin | Zendy; Xiangshuai Tao | Zendy; Athanasios D. Panagopoulos | Zendy; Jian Ouyang | Zendy

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BEAMFORMING FOR DUAL-HOP SATELLITE COMMUNICATIONS AGAINST EAVESDROPPING

Author(s) -

Chunyan Yin,

Min Lin,

Zhi Lin,

Xiangshuai Tao,

Athanasios D. Panagopoulos,

Jian Ouyang

Publication year - 2018

Publication title -

progress in electromagnetics research m

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.216

H-Index - 31

ISSN - 1937-8726

DOI - 10.2528/pierm18041104

Subject(s) - eavesdropping , beamforming , computer science , hop (telecommunications) , communications satellite , computer network , telecommunications , dual (grammatical number) , satellite , computer security , aerospace engineering , engineering , art , literature

This paper proposes a secure beamforming (BF) scheme for a dual-hop satellite communication system, where a satellite acts as a relay using amplify-and-forward (AF) protocol to assists signal transmission between the terrestrial source and destination, where the target user is intercepted by an eavesdropper (Eve) in the downlink transmission. By assuming that the satellite is deployed with multiple antenna feeds, we first establish an optimization problem to minimize the on-board transmit power subject to the quality-of-service (QoS) and secrecy performance requirement of the destination. Then, based on the method of penalty function, we propose a secure BF scheme to obtain the optimal BF weight vector with analytical form. Finally, computer simulation results are given to demonstrate the effectiveness and superiority of the proposed algorithm.

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