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Abstract: We investigate physical-layer security of the full-duplex (FD) amplify-and-forward (AF) relay channel. We provide a new perspective on the problem and show that the processing time (delay) ...

Abstract: In this paper, we investigate the channel estimation problem for multiple-input multiple-output (MIMO) relay communication systems with time-varying channels. The time-varying characteristic ...

France came from last place to win the Olympic men’s biathlon relay for the first time on Tuesday by less than 10 seconds from stunned world and defending champion Norway. Sweden hung on for the ...

ANTERSELVA, Italy (AP) — France came from last place to win the Olympic men’s biathlon relay for the first time on Tuesday by less than 10 seconds from stunned world and defending champion Norway.