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Yeonghae Kim(김영해),Sudhanshu Arya,Yeon Ho Chung(정연호) 한국통신학회 2022 한국통신학회 학술대회논문집 Vol.2022 No.2
In this paper, we present a unique and novel transmission technique for ground-to-UAV communication link. In particular, we propose frequency-shift keying sub-carrier intensity modulation (FSK-SIM) equipped with switch-and-stay combining (SSC) diversity technique. We consider a realistic scenario with gamma-gamma distributed turbulence-induced fading over correlated optical channel. We analyze the impact of correlation on the performance of the ground-to-UAV link. We obtain the closed-form expression of the average bit error rate (BER).
Sudhanshu Arya,Yeonghae Kim(김영해),Yeon Ho Chung(정연호) 한국통신학회 2022 한국통신학회 학술대회논문집 Vol.2022 No.2
In this paper, we propose a novel game theoretic approach that permit to maximize the performance of an interference-limited photon-counting multiuser memoryless Poisson channel with asymptotically low transmit power considered. We consider a conflicting situation where multiple users share the same spectrum and attempt to maximize their throughput. The received signal is characterized by a photon-counting receiver. We consider the transmission at an asymptotically low-power regime. We present the Nash equilibrium beamformer. We show that, selfish but cooperative users can achieve maximum sum-rate performance.