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cs.IT2021
Joint Beamforming and Reconfigurable Intelligent Surface Design for Two-Way Relay Networks
Jun Wang, Ying-Chang Liang, Jingon Joung +2
In this paper, we consider a reconfigurable intelligent surface (RIS)-assisted two-way relay network, in which two users exchange information through the base station (BS) with the…
cs.IT2009
Spectrum Sensing in Low SNR Regime via Stochastic Resonance
Kun Zheng, Husheng Li, Seddik M. Djouadi +1
Spectrum sensing is essential in cognitive radio to enable dynamic spectrum access. In many scenarios, primary user signal must be detected reliably in low signal-to-noise ratio (S…