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논문 기본 정보

자료유형
학술저널
저자정보
Taeho Kang (Pohang University of Science and Technology) Xiang Li (Cleveland State University) Chansu Yu (Cleveland State University) Jong Kim (Pohang University of Science and Technology)
저널정보
Korean Institute of Information Scientists and Engineers Journal of Computing Science and Engineering Journal of Computing Science and Engineering Vol.7 No.3
발행연도
2013.9
수록면
187 - 197 (11page)

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초록· 키워드

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Security has long been a challenging problem in wireless networks, mainly due to its broadcast nature of communication. This opens up simple yet effective measures to thwart useful communications between legitimate radios. Spread spectrum technologies, such as direct sequence spread spectrum (DSSS), have been developed as effective countermeasures against, for example, jamming attacks. This paper surveys previous research on securing a DSSS channel even further, using physical layer attributes?keyless DSSS mechanisms, and watermarked DSSS (WDSSS) schemes. The former has been motivated by the fact that it is still an open question to establish and share the secret spread sequence between the transmitter and the receiver without being noticed by adversaries. The basic idea of the latter is to exploit the redundancy inherent in DSSS’s spreading process to embed watermark information. It can be considered a counter measure (authentication) for an intelligent attacker who obtains the spread sequence to generate fake messages. This paper also presents and evaluates an adaptive DSSS scheme that takes both jam resistance and communication efficiency into account.

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Abstract
I. INTRODUCTION
II. DIRECT SEQUENCE SPREAD SPECTRUM
III. JAMMING AND ANTI-JAMMING
IV. KEYLESS SPREAD SPECTRUM COMMUNICATION
V. SPREAD SEQUENCE LENGTH AND COMMUNICATION EFFICIENCY ADAPTATION
VI. PHY LAYER WATERMARKING
VII. CONCLUSION AND FUTURE WORK
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