Full-Duplex vs. Half-Duplex Secret-Key Generation
作者： Hendrik Vogt , Zohaib Hassan Awan , Aydin Sezgin
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摘要: Full-duplex (FD) communication is regarded as a key technology in future 5G and Internet of Things (IoT) systems. In addition to high data rate constraints, the success these systems depends on ability allow for confidentiality security. Secret-key agreement from reciprocal wireless channels can be valuable supplement security at physical layer. this work, we study role FD conjunction with secret-key agreement. We first introduce two complementary generation models half-duplex (HD) settings compare performance by introducing key-reconciliation function. Furthermore, impact so called probing-reconciliation trade-off, strong eavesdropper analyze system SNR regime. show that under certain conditions, mode enforces deteriorating capabilities offers several advantages terms over conventional HD setups. Our analysis reveals an interesting insight perfect self-interference cancellation not necessary order obtain gains mode.
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