Distributed Beamforming for Physical-Layer Security of Two-Way Relay Networks

In this paper, we address the security of a two-way relay network in the presence of an eavesdropper, where each node is only equipped with single antenna. We propose two-phase distributed analog network coding, or distributed beamforming and power allocation to enhance the secrecy sum rate of the d...

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Vydáno v:	IEEE transactions on signal processing Ročník 60; číslo 7; s. 3532 - 3545
Hlavní autoři:	Wang, Hui-Ming, Yin, Qinye, Xia, Xiang-Gen
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York, NY IEEE 01.07.2012 Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	Algorithms Analog network coding Applied sciences Array signal processing Beamforming Detection, estimation, filtering, equalization, prediction distributed beamforming Educational institutions Exact sciences and technology Information, signal and communications theory Leakage Mathematical analysis Mathematical models Noise Physical layer physical layer security Protocols Relay networks Relays second-order cone programming secrecy rate Security Signal and communications theory Signal, noise Studies Telecommunications and information theory Terminals two-way relay networks Performance evaluation Second order Parameter estimation Relay Relay network Power allocation Convex programming Information dissemination Beam forming Information loss Analog network coding Channel estimation Safety two-way relay networks Antenna second-order cone programming Packet switching Interior point method Global optimum Information transmission Signal processing Network coding Numerical simulation Objective function physical layer security distributed beamforming secrecy rate Service quality Secrecy
ISSN:	1053-587X, 1941-0476
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