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This paper investigates the impact of the imperfect channel state information that is caused by the channel estimation errors on physical layer security. The investigation considers a dual-hop single amplify-and-forward (AF) based untrustworthy half/full-duplex bi-directional relay with a finite number of friendly jammers in the system model. According to Monte-Carlo simulation results, the channel...
This paper investigates the effect of imperfect channel state information (CSI) on the outage performance of cooperative distributed beamforming (DBF). The acquisition of perfect CSI is disturbed by outdated CSI and channel estimation errors. Decode-and-forward relays are considered with individual power constraints at each relay. Considering a training-and-feedback strategy to acquire CSI, a closed-form...
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