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http://dx.doi.org/10.7840/kics.2016.41.11.1341

Enhanced Wireless Network Security in Military Environments  

Kim, Jin Woo (Department of IT Convergence Engineering, Kumoh National Institute of Technology)
Shin, Soo Young (Kumoh National Institute of Technology)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.41, no.11, 2016 , pp. 1341-1348 More about this Journal
Abstract
In this paper, we propose method to enhance security performance using HT-STBC with artificial noise under Wier-Tap channel model that exist with legitimate receiver and illegal eavesdropper. Conventional STBC with artificial noise scheme has a weakness that a limited increase in the BER of the difference between the receiver and an eavesdropper, when used over QPSK modulation. To solve this problem, we suggest HT-STBC combining hadamard transform and STBC with artificial noise for reduce BER of receiver than the conventional scheme and demonstrated through simulation that also increased BER difference between the receiver and an eavesdropper. By the simulation results, when used proposed scheme, showed approximately 3dB improvement in performance compared to the conventional scheme.
Keywords
Physical layer; STBC; Hadamard transform; Artificial noise; MIMO;
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Times Cited By KSCI : 3  (Citation Analysis)
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