Secrecy signal and artificial noise designs in cellular network

Author

Hui-Ming Wang ; Feng Liu

Author_Institution

Sch. of Electron. & Inf. Eng., Xi´an Jiaotong Univ., Xi´an, China

fYear

2015

fDate

12-15 July 2015

Firstpage

273

Lastpage

277

Abstract

In this paper, we propose a new method of secrecy signal and artificial noise (AN) transmission for a MISO wiretap channel in wireless cellular networks. We first design the secrecy signal beamformer such that its power leakage to the unintended directions is minimized, then we concentrate the AN on the directions with higher risk of information leakage, rather than broadcast it isotropically, such that the transmission secrecy can be guaranteed while the interference of AN to users in the adjacent cells is greatly reduced. The simulation results verify the proposed scheme.

Keywords

array signal processing; cellular radio; radiofrequency interference; telecommunication security; AN transmission; MISO wiretap channel; artificial noise designs; information leakage; power leakage; secrecy signal beamformer; transmission secrecy; wireless cellular networks; Approximation methods; Communication system security; Interference; Noise; Resource management; Simulation; Wireless communication; Physical layer security; artificial noise; beamformer; cellular network; optimization;

fLanguage

English

Publisher

ieee

Conference_Titel

Signal and Information Processing (ChinaSIP), 2015 IEEE China Summit and International Conference on

Conference_Location

Chengdu

Type

conf

DOI

10.1109/ChinaSIP.2015.7230406

Filename

7230406