TY - GEN
T1 - Improved ComNet based on expectation propagation for CP-free OFDM system
AU - Zhang, Jing
AU - Yang, Xi
AU - Wen, Chao Kai
AU - Li, Xiao
AU - Jin, Shi
N1 - Publisher Copyright:
© 2019 IEEE.
PY - 2019/8
Y1 - 2019/8
N2 - To promote the performance of ComNet and OAMPNET for CP-free OFDM, improved ComNet based on expectation propagation (IComNet-EP) is proposed in this paper. The IComNet-EP receiver includes channel estimation network (CENET), expectation propagation equalization (EPE) block and demodulation module. The channel state information is estimated by a model-driven neural network, CE-NET. Due to inter-symbol interference (ISI), the EPE block removes the ISI by buffering the previous OFDM symbol first and then detects the signal by expectation propagation algorithm. The IComNet-EP has comparative complexity with the OAMP-NET and ComNet but has better robustness for the detection part. The simulation results show that the proposed scheme offers a much lower bit-error rate than competitive algorithms.
AB - To promote the performance of ComNet and OAMPNET for CP-free OFDM, improved ComNet based on expectation propagation (IComNet-EP) is proposed in this paper. The IComNet-EP receiver includes channel estimation network (CENET), expectation propagation equalization (EPE) block and demodulation module. The channel state information is estimated by a model-driven neural network, CE-NET. Due to inter-symbol interference (ISI), the EPE block removes the ISI by buffering the previous OFDM symbol first and then detects the signal by expectation propagation algorithm. The IComNet-EP has comparative complexity with the OAMP-NET and ComNet but has better robustness for the detection part. The simulation results show that the proposed scheme offers a much lower bit-error rate than competitive algorithms.
UR - https://www.scopus.com/pages/publications/85074098288
U2 - 10.1109/ICCChina.2019.8855840
DO - 10.1109/ICCChina.2019.8855840
M3 - 会议稿件
AN - SCOPUS:85074098288
T3 - 2019 IEEE/CIC International Conference on Communications in China, ICCC 2019
SP - 653
EP - 658
BT - 2019 IEEE/CIC International Conference on Communications in China, ICCC 2019
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2019 IEEE/CIC International Conference on Communications in China, ICCC 2019
Y2 - 11 August 2019 through 13 August 2019
ER -