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DAA schemes are generally employed with the hardware of TPM to realize anonymous authentication. Basically, DAA schemes are based on group signatures. We propose a new DAA scheme based on a short group signature without encryption which departs from the traditional sign-encrypt-prove paradigm, and only adopts an anonymous signature and non-interactive zero-knowledge(NIZK) proofs. Compared to other...
Cooperative transmission is an emerging wireless communication technique that improves wireless channel capacity through multi-user cooperation in the physical layer. This paper is concerned with principles and implementation challenges of cooperative transmission in the realistic wireless sensor networks. Based on the given system model of cooperative transmission, the comparison of performance improvement...
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