Study on Secure Distributed Transmission in Two-Way Wireless Communication Links
Masaaki Yamanaka, Zou Jingbo, Shûichi Ohno, Shinichi Miayamoto, Seiichi Sampei · 2017
We proposed a secure distributed transmission method by providing multiple transmission routes to a destination. In the scheme, the transmitted information is divided into pieces of shared information by a secret-sharing method, and the shared pieces of information are separately transmitted to the destination through different transmission routes with individually-controlled antenna directivities. Although the method increases the secrecy of the transmitted information, it does not perform well in the vicinity of the receiver where all of the shared pieces of information assemble. In this paper, we propose a method to provide a key link from the receiver to the transmitter in advance of message transmission, and send an encryption key as a one-time pad to impose another secret-sharing transmission in the link. Computer simulation shows the effectiveness of the proposed method.