TY - GEN
T1 - Digital Assisted Analog Cancellation in Full-Duplex System
AU - Cheng, Kexin
AU - Xing, Zhifang
AU - Du, Changhao
AU - Zhang, Zhongshan
N1 - Publisher Copyright:
© 2023 IEEE.
PY - 2023
Y1 - 2023
N2 - In full-duplex wireless communication system, self-interference is an important factor that can affect signal receiving. If the power of self-interference is too large, it affects the receiving of useful information, so the self-interference cancellation should be carried out in the full-duplex system. Self-interference cancellation is generally divided into three different domains: propagation, analog, and digital. A new digital assisted analog cancellation system in full-duplex is examined. The proposed full-duplex system consists of a 4-TAP analog cancellation stage, followed by a sixth-order cancellation algorithm based on LS accounting for the nonlinear distortion of the SI signal. Through simulation experiments, it is found that 50dB of analog cancellation stage and 57dB of digital auxiliary cancellation stage can be realized in 20MHz band, with a total cancellation effect of 107dB, which can meet the actual cancellation requirements.
AB - In full-duplex wireless communication system, self-interference is an important factor that can affect signal receiving. If the power of self-interference is too large, it affects the receiving of useful information, so the self-interference cancellation should be carried out in the full-duplex system. Self-interference cancellation is generally divided into three different domains: propagation, analog, and digital. A new digital assisted analog cancellation system in full-duplex is examined. The proposed full-duplex system consists of a 4-TAP analog cancellation stage, followed by a sixth-order cancellation algorithm based on LS accounting for the nonlinear distortion of the SI signal. Through simulation experiments, it is found that 50dB of analog cancellation stage and 57dB of digital auxiliary cancellation stage can be realized in 20MHz band, with a total cancellation effect of 107dB, which can meet the actual cancellation requirements.
KW - analog cancellation
KW - full-duplex
KW - nonlinear distortion
UR - http://www.scopus.com/inward/record.url?scp=85196086454&partnerID=8YFLogxK
U2 - 10.1109/FCN60432.2023.10543778
DO - 10.1109/FCN60432.2023.10543778
M3 - Conference contribution
AN - SCOPUS:85196086454
T3 - 2023 International Conference on Future Communications and Networks, FCN 2023 - Proceedings
BT - 2023 International Conference on Future Communications and Networks, FCN 2023 - Proceedings
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2023 International Conference on Future Communications and Networks, FCN 2023
Y2 - 17 December 2023 through 20 December 2023
ER -