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Reseach Article

Increase Security in DS/CDMA UWB using Hybrid Method of CDMA

by Bayan M. Sabbar, Ula Mohsen Taher
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 90 - Number 5
Year of Publication: 2014
Authors: Bayan M. Sabbar, Ula Mohsen Taher

Bayan M. Sabbar, Ula Mohsen Taher . Increase Security in DS/CDMA UWB using Hybrid Method of CDMA. International Journal of Computer Applications. 90, 5 ( March 2014), 29-35. DOI=10.5120/15571-4156

@article{ 10.5120/15571-4156,
author = { Bayan M. Sabbar, Ula Mohsen Taher },
title = { Increase Security in DS/CDMA UWB using Hybrid Method of CDMA },
journal = { International Journal of Computer Applications },
issue_date = { March 2014 },
volume = { 90 },
number = { 5 },
month = { March },
year = { 2014 },
issn = { 0975-8887 },
pages = { 29-35 },
numpages = {9},
url = { },
doi = { 10.5120/15571-4156 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
%0 Journal Article
%1 2024-02-06T22:10:16.214588+05:30
%A Bayan M. Sabbar
%A Ula Mohsen Taher
%T Increase Security in DS/CDMA UWB using Hybrid Method of CDMA
%J International Journal of Computer Applications
%@ 0975-8887
%V 90
%N 5
%P 29-35
%D 2014
%I Foundation of Computer Science (FCS), NY, USA

ULTRA-WIDEBAND (UWB) is a new technology that provides high data rate and low power consumption. The physical layer built in of DS/CDMA UWB is provided by short pulses of nanosecond, the low output power and the absence of carrier signal. CDMA methods are considered as the main proposed method in this paper by integrating cryptographic techniques into the transceiver design. The two main methods that used in enhancement physical layer of CDMA are proposed to be used in DS/CDMA UWB in this paper. The first one is hidden direct sequence for encrypting spreading code. The second one is secure scrambling method at chip rate, which is based on Advanced Encryption Standard (AES) and Output Feedback Mode (OFB). The hybrid method is found much stronger than using anyone of the above method individually.

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Index Terms

Computer Science
Information Sciences


Ultra-Wideband (UWB) Code Division Multiple Access (CDMA) Advanced Encryption Standard (AES) Output Feedback Mode (OFB) and Initialization vector (IV).