Velocity Measurement Algorithm Base on Correlation Over Multi-frame with IEEE 802.11 ad

LI Can; LIU Wei; ZHAO Sudun; LEI Jing

doi:10.11999/JEIT230807

Volume 45 Issue 11

Nov. 2023

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LI Can, LIU Wei, ZHAO Sudun, LEI Jing. Velocity Measurement Algorithm Base on Correlation Over Multi-frame with IEEE 802.11 ad[J]. Journal of Electronics & Information Technology, 2023, 45(11): 4026-4032. doi: 10.11999/JEIT230807

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LI Can, LIU Wei, ZHAO Sudun, LEI Jing. Velocity Measurement Algorithm Base on Correlation Over Multi-frame with IEEE 802.11 ad[J]. Journal of Electronics & Information Technology, 2023, 45(11): 4026-4032. doi: 10.11999/JEIT230807

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Velocity Measurement Algorithm Base on Correlation Over Multi-frame with IEEE 802.11 ad

doi: 10.11999/JEIT230807

The College of Electronic Science, National University of Defense Technology, Changsha 410005, China

Received Date: 2023-08-01
Rev Recd Date: 2023-10-09

Available Online: 2023-10-14

Publish Date: 2023-11-28

Abstract

Abstract

Waveform design is one of the critical technologies for achieving integrated sensing and communication, which is beneficial for alleviating the pressure of spectrum competition and saving resources. In this paper, a velocity measurement algorithm in Vehicle-to-everything(V2X) communications with IEEE 802.11ad wireless local area network waveform is proposed. Firstly, as the preamble in the physical layer frame structure has an ideal characteristic suitable for target sensing, the preambles of the received multi-frame signals are performed correlation operations at different moving steps, then the Doppler shift which is used for velocity measurement is obtained by converting Doppler frequency offset estimation into linear regression slope estimation. Secondly, in order to solve the problem of limited velocity measurement range caused by phase ambiguity, a phase compensation scheme is proposed. The simulation results show that the proposed algorithm can achieve centimeter-level accuracy in single target and LOS scenarios, and has lower velocity measurement error than the current similar algorithm.
- Integrated Sensing and Communication,
- Vehicle-to-everything (V2X),
- IEEE 802.11ad,
- Velocity Measurement

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References(20)

References

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