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Zhihui Shang, Tao Zhang, Yueming Cai, Weiwei Yang, Hao Wu, Yu Zhang and Liwei Tao
This paper studies the secure transmission in the dual-hop cognitive wiretap networks, where the secondary transmitter (Alice) aims to transmit confidential information to the secondary receiver (Bob) in the face of a multi-antenna relay (Relay), while t...
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Xin Song, Yue Ni, Xiuwei Han, Lei Qin and Li Dong
In this paper, we propose an optimal time and power allocation scheme in a wireless power supply full-duplex (FD) relay system, where we consider the number of relay antennas in the energy harvesting stage. At the same time, the energy efficiency optimiz...
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Duy-Hung Ha, Si Thien Chau Dong, Tan N. Nguyen, Tran Thanh Trang and Miroslav Voznak
In this paper, we introduce a half-duplex (HD) energy harvesting (EH) relay network over the different fading environment with the effect of hardware impairment (HI). The model system was investigated with the amplify-and-forward (AF) and the power split...
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