Full-Duplex OFDM Relaying Systems with Energy Harvesting in Multipath Fading Channels

Jiaman Li, Le Chung Tran, Farzad Safaei
2019 2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall)  
Farzad, "Full-duplex OFDM relaying systems with energy harvesting in multipath fading channels" (2019). Faculty of Engineering and Information Sciences -Papers: Part B. 3350. Abstract Abstract In this paper, the performance of in-band fullduplex OFDM relaying systems with energy-harvesting and selfinterference cancellation in the polarization domain is analyzed. Specifically, we use the time switching-based relaying protocol to implement energy harvesting. The harvested energy is used by the
more » ... ay to forward the transmitted information from the source. To cancel the self-interference, the polarization-enabled digital self-interference cancellation scheme is deployed at the relay. Our simulation results show that the full-duplex OFDM energy harvesting relaying system almost doubles the throughput, while maintaining the same bit error performance by a modest increase in the signal-to-noise ratio compared to the half-duplex OFDM energy harvesting relaying system. It is also revealed that the optimal time splitting factor should be less than 0.3 to maximize the full-duplex system throughput. Abstract-In this paper, the performance of in-band fullduplex OFDM relaying systems with energy-harvesting and selfinterference cancellation in the polarization domain is analyzed. Specifically, we use the time switching-based relaying protocol to implement energy harvesting. The harvested energy is used by the relay to forward the transmitted information from the source. To cancel the self-interference, the polarization-enabled digital self-interference cancellation scheme is deployed at the relay. Our simulation results show that the full-duplex OFDM energy harvesting relaying system almost doubles the throughput, while maintaining the same bit error performance by a modest increase in the signal-to-noise ratio compared to the half-duplex OFDM energy harvesting relaying system. It is also revealed that the optimal time splitting factor should be less than 0.3 to maximize the full-duplex system throughput.
doi:10.1109/vtcfall.2019.8891119 dblp:conf/vtc/LiTS19 fatcat:mh5xwntmjrcv7j3icavhazmzgq