Secret Group Key Generation in Physical Layer for Mesh Topology
作者： Chan Dai Truyen Thai , Jemin Lee , Tony Q. S. Quek
DOI: 10.1109/GLOCOM.2015.7417477
关键词:
摘要: Secret group key generation based on physical layer in wireless communications has a lot of practical applications. A few studies focused the theoretical bounds secret rate sets received signals rather than particular scheme. We propose scheme for an arbitrary number legitimate nodes, n, mesh topology presence passive eavesdropper. In scheme, after general pilot signal transmissions at all each node broadcasts weighted combination its with optimized coefficients, so that nodes can obtain information channels used while eavesdropper cannot. also apply different quantization schemes quantizing and encoding estimated into keys. To provide detailed processing steps generation, we describe proposed 4-node case. The simulation results show achieves higher lower disagreement benchmark
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