Reconstructing a Linear Scrambler with Improved Detection Capability and in the Presence of Noise

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Title Reconstructing a Linear Scrambler with Improved Detection Capability and in the Presence of Noise
Author Liu, Xiao-Bei; Koh, Soo Ngee; Wu, Xin-Wen; Chui, Chee-Cheon
Journal Name IEEE Transactions on Information Forensics and Security
Editor IEEE
Year Published 2012
Place of publication United States
Publisher IEEE
Abstract In this paper, the problem of reconstruction of the feedback polynomial in a linear scrambler is studied. Our work contains two parts. In the first part, schemes to improve the performance of an existing reconstruction algorithm are proposed. Simulation results show that both the detection capability and speed of the existing algorithm are significantly improved by using our proposed schemes. In the second part, the reconstruction of linear scramblers in the presence of channel noise is investigated. We consider flipped bits due to noise as well as insertion of bits in the scrambled bit sequence. For both cases, factors which affect the performance of the reconstruction algorithm are discussed.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1109/TIFS.2011.2169790
Volume 7
Issue Number 1
Page from 208
Page to 218
ISSN 1556-6013
Date Accessioned 2012-02-04; 2012-09-20T22:41:52Z
Research Centre Institute for Integrated and Intelligent Systems
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Data Format
URI http://hdl.handle.net/10072/46934
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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