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Securing acoustics-based short-range communication systems:an overview

Journal of Communications and Information Networks 2016年第4期1卷 44-51页

作者： CHEN Si QIN Zhan XING Guoliang REN Kui West Chester University of Pennsylvania West Chester PA 19383USA State University of New York at Buffalo Buffalo NY 14260USA Michigan State University East Lansing MI 48824USA

Mobile devices such as smartphones and tablets have continued to grow in recent ***,people rely on these ubiquitous smart devices and carry them everywhere in their daily *** signal,as a simple and prevalent transmitting vector for end-to-end communication,shows unique characteristics comparing with another popular communication method,i.e.,optical signal,especially on the applications performed over smart *** signal does not require line-of-sight when transmission,the computational power of most smart devices are sufficient to modulate/demodulate acoustic signal using software acoustic modem only,which can be easily deployed on current off-the-shelf smart ***,many acoustics-based short range communication systems have been developed and are used in sensitive applications such as building access control and mobile payment ***,past work shows that an acoustic eavesdropper snooping on the communication between a transmitter and its legitimate receiver can easily break their communication protocol and decode the transmitted *** solve this problem,many solutions have been proposed to protect the acoustic signal against *** this overview,we explore the designs of existing solutions,the corresponding implementations,and their methodologies to protect acoustic signal *** each dependable and secure acoustics-based short range communication system,we present the major technical hurdles to be overcome,the state-of-the-art,and also offer a vision of the future research issues on this promising technology.

关键词： acoustic eavesdropper short-range communication ICA BSS randomize channel motion source usability

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