FPGA implementation of a time-frequency synchronization algorithm for mmWave OFDM system

Zihan Jiao; Xi Hong; Jiancun Fan; Xinmin Luo

doi:10.1117/12.3009264

11 October 2023 FPGA implementation of a time-frequency synchronization algorithm for mmWave OFDM system

Zihan Jiao, Xi Hong, Jiancun Fan, Xinmin Luo

Proceedings Volume 12918, Fourth International Conference on Computer Science and Communication Technology (ICCSCT 2023); 1291802 (2023) https://doi.org/10.1117/12.3009264
Event: International Conference on Computer Science and Communication Technology (ICCSCT 2023), 2023, Wuhan, China

Abstract

Due to the extremely high symbol rate and large bandwidth, orthogonal frequency division multiplexing (OFDM) signal on millimeter wave (mmWave) band often suffers a heavy computation and hardware resource burden for timing and frequency synchronization. Meanwhile, they also bring in a long processing latency, and lots of memory resources have to be paid to receiver. In order to deal with the above complexity and resource limitation problems of mmWave OFDM, many efforts have been taken in transmitter and receiver respectively: in transmitter, a training sequence (TS) with repeated properties is well designed, and it could be able to provide coarse and fine time delays and frequency offsets easily; in receiver, by using the signal structure, the receiving signal can be divided into several parallel transmission, and a two-stage timing and frequency synchronization method is proposed and realized on our field programmable gate array (FPGA) platform. Both the simulation and FPGA implementation show that the proposed method has a good synchronization performance with very low latency and hardware complexity.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Zihan Jiao, Xi Hong, Jiancun Fan, and Xinmin Luo "FPGA implementation of a time-frequency synchronization algorithm for mmWave OFDM system", Proc. SPIE 12918, Fourth International Conference on Computer Science and Communication Technology (ICCSCT 2023), 1291802 (11 October 2023); https://doi.org/10.1117/12.3009264

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KEYWORDS

Field programmable gate arrays

Education and training

Orthogonal frequency division multiplexing

Design and modelling

Monte Carlo methods

Receivers

Tunable filters

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