TY - GEN
T1 - A Parallel Carrier Recovery Scheme for an 8Gbps Terahertz Communication System
AU - Wang, Yuli
AU - Qin, Zhen
AU - Ma, Yunsi
AU - Qi, Yuanjing
AU - Wu, Nan
N1 - Publisher Copyright:
© 2020 IEEE.
PY - 2020/8/9
Y1 - 2020/8/9
N2 - In this paper, a parallel carrier recovery scheme with a large frequency acquisition range of about ±50% of the symbol rate is proposed for terahertz communication systems. The proposed scheme is divided into two parts: the frequency offset acquisition based on Mengali and Morelli (MM) algorithm and the frequency offset tracking employing a decision feedback phase-locked loop. Then, we also design its efficient hardware implementation architecture on Field Programmable Gate Array (FPGA) platform. To improve the utilization of hardware resources, two independent frequency offset compensation modules of the acquisition stage and of the tracking stage are integrated into one offset compensation module. Moreover, an 8 Gbps communication system relying on the proposed parallel carrier recovery scheme is implemented on a Zynq UltraScale+ RFSoC ZUC111 Evaluation Kit. The simulation and implementation results show that the proposed parallel carrier recovery scheme performs well in large carrier frequency offset scenarios and its bit error rate (BER) performance can approach the theoretical curve under 16-ary quadrature amplitude modulation (16-QAM).
AB - In this paper, a parallel carrier recovery scheme with a large frequency acquisition range of about ±50% of the symbol rate is proposed for terahertz communication systems. The proposed scheme is divided into two parts: the frequency offset acquisition based on Mengali and Morelli (MM) algorithm and the frequency offset tracking employing a decision feedback phase-locked loop. Then, we also design its efficient hardware implementation architecture on Field Programmable Gate Array (FPGA) platform. To improve the utilization of hardware resources, two independent frequency offset compensation modules of the acquisition stage and of the tracking stage are integrated into one offset compensation module. Moreover, an 8 Gbps communication system relying on the proposed parallel carrier recovery scheme is implemented on a Zynq UltraScale+ RFSoC ZUC111 Evaluation Kit. The simulation and implementation results show that the proposed parallel carrier recovery scheme performs well in large carrier frequency offset scenarios and its bit error rate (BER) performance can approach the theoretical curve under 16-ary quadrature amplitude modulation (16-QAM).
KW - Parallel carrier recovery scheme
KW - large carrier frequency offset
KW - terahertz communication systems
UR - http://www.scopus.com/inward/record.url?scp=85097551388&partnerID=8YFLogxK
U2 - 10.1109/ICCC49849.2020.9238875
DO - 10.1109/ICCC49849.2020.9238875
M3 - Conference contribution
AN - SCOPUS:85097551388
T3 - 2020 IEEE/CIC International Conference on Communications in China, ICCC 2020
SP - 1308
EP - 1313
BT - 2020 IEEE/CIC International Conference on Communications in China, ICCC 2020
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2020 IEEE/CIC International Conference on Communications in China, ICCC 2020
Y2 - 9 August 2020 through 11 August 2020
ER -