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A Non-Time-Limited Channel Sounding Protocol for Key Generation
Wireless Personal Communications ( IF 2.2 ) Pub Date : 2021-05-18 , DOI: 10.1007/s11277-021-08490-4
Liu Jingmei , Shen Zhiwei , Ren Zhuangzhuang , Liu Jingwei , Gong Fengkui

The traditional channel sounding protocol requires that the whole sounding process must be completed within a coherent time. When the communication delay is close to or greater than the coherent time, the protocol will not work properly. In order to solve this problem, a novel Non-Time-Limited channel sounding protocol is proposed. The proposed channel sounding protocol does not need to guarantee the channel reciprocity, has no limit on the communication delay and has strong multi-relay scalability. At the same time, a relay-assisted security extension mechanism is proposed to prevent the collaborative eavesdropping of the neighboring attackers. Simulation experiments show that the Non-Time-Limited channel sounding protocol can get rid of the influence of channel change speed on key generation, effectively improve key consistency in high-speed mobile scenarios, and still maintain good key agreement rate performance in underwater acoustic communication.



中文翻译:

用于密钥生成的非限时信道探测协议

传统的信道探测协议要求整个探测过程必须在相干时间内完成。当通信延迟接近或大于相关时间时,该协议将无法正常工作。为了解决这个问题,提出了一种新颖的非限时信道探测协议。所提出的信道探测协议不需要保证信道互易性,对通信延迟没有限制,并且具有强大的多中继可扩展性。同时,提出了一种中继辅助的安全扩展机制,以防止相邻攻击者的协作窃听。仿真实验表明,无时限信道探测协议可以消除信道改变速度对密钥生成的影响,

更新日期:2021-05-18
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