Phase noise in mmWave OTFS system: consequences and compensation

doi:10.23919/JSEE.2025.000127

Journal of Systems Engineering and Electronics ›› 2025, Vol. 36 ›› Issue (5): 1140-1145.doi: 10.23919/JSEE.2025.000127

• ELECTRONICS TECHNOLOGY • Previous Articles

Phase noise in mmWave OTFS system: consequences and compensation

Fuchen XU(), Huiyang QU(), Chengxiang LIU(), Ji ZHOU(), Guanghui LIU()

School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China

Received:2022-03-07 Online:2025-10-18 Published:2025-10-24
Contact: Guanghui LIU E-mail:fuchenxu@std.uestc.edu.cn;hyqu@std.uestc.cn;cxliu@std.uestc.edu.cn;zhouji@std.uestc.edu.cn;guanghuiliu@uestc.cn
About author:
XU Fuchen was born in 1998. He received his B.S. degree in communication engineering from University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2020, where he is currently pursuing his Ph.D. degree in UESTC. His research interests include faster-than-Nyquist signaling, multi-carrier waveform design, and index modulation. E-mail: fuchenxu@std.uestc.edu.cn

QU Huiyang was born in 1993. He received his B.S. degree from University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2015. He is currently working toward his Ph.D. degree in UESTC. His research interests include channel estimation and equalization, 5G and beyond waveform design and mmWave communication system. E-mail: hyqu@std.uestc.cn

LIU Chengxiang was born in 1998. He received his B.S. degree in electronic and information engineering from University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2020, where he is currently pursuing his Ph.D. degree in UESTC. His research interests include phase noise estimation and compensation, faster-than-Nyquist signaling, mmWave communication systems and machine learning. E-mail: cxliu@std.uestc.edu.cn

ZHOU Ji was born in 2000. He received his B.S degree in information and communication engineering from University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2022, where he is currently pursuing his M.S. degree. His research interests include amplitude and phase modulation, index modulation, and inter symbol interference cancellation. E-mail: zhouji@std.uestc.edu.cn

LIU Guanghui was born in 1976. He received his M.S. and Ph.D. degrees in electronic engineering from University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2002 and 2005, respectively. In 2005, he joined Samsung Electronics, South Korea, as a Senior Engineer. In 2009, he became an associate professor with the School of Electronics Engineering, UESTC, where he has been a full professor since 2014 and is currently with the School of Information and Communication Engineering. His general research interests include digital signal processing and telecommunications, with emphasis on digital video processing and transmission, 5G waveform design, and orthogonal frequency division multiplexing techniques. E-mail: guanghuiliu@uestc.cn
Supported by:
This work was supported by the National Natural Science Foundation of China (62071097) and the Sichuan Science and Technology Program (2023NSFSC0458).

Abstract

Abstract:

In this paper, we study the orthogonal time frequency space signal transmission over multi-path channel in the presence of phase noise (PHN) at both sides of millimeter wave (mmWave) communication links. The statistics characteristics of the PHN-induced common phase error and inter-Doppler interference are investigated. Then, a column-shaped pilot structure is designed, and training pilots are used to realize linear-complexity PHN tracking and compensation. Numerical results demonstrate that the proposed scheme enables the signal to noise ratio loss to be restrained within 1 dB in contrast to the no PHN case.

Key words: orthogonal time frequency space, phase noise (PHN), millimeter wave (mmWave), common phase error (CPE), inter-Doppler interference

Fuchen XU, Huiyang QU, Chengxiang LIU, Ji ZHOU, Guanghui LIU. Phase noise in mmWave OTFS system: consequences and compensation[J]. Journal of Systems Engineering and Electronics, 2025, 36(5): 1140-1145.

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References 16

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Algorithm	Complexity
CAs	2MN/D
CMs	O (N log (N)) + MN/D
CDs	(M+L)N

Phase noise in mmWave OTFS system: consequences and compensation

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