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IEICE TRANSACTIONS on Fundamentals

Information Security of Spread Spectrum Systems

Hideki IMAI, Ryuji KOHNO, Tsutomu MATSUMOTO

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Summary :

Spread spectrum systems have been recently studied and developed for commercial applications, because they have some advantages such as robustness against interference and a noise, low probability of intercept, realization of code-division multiple access, high accuracy ranging and so on. In this paper we analyze the information security of spread spectrum systems into confidentiality, untraceability, authenticity, and antijamming property and present some measures to achieve these properties using cryptographic techniques. We show that the spreading sequences play central role in the information security issues of spread spectrum systems. A generation method of the spreading sequence having high-security property is proposed.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E74-A No.3 pp.488-505
Publication Date
1991/03/25
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Type of Manuscript
INVITED PAPER
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