NR-V2X sidelink PHY layer performance evaluation

Pin Zhao; Hongbin Qin; Yiying Wei; Xian Wu; Huipeng Li

doi:10.1117/12.2685641

28 July 2023 NR-V2X sidelink PHY layer performance evaluation

Pin Zhao, Hongbin Qin, Yiying Wei, Xian Wu, Huipeng Li

Proceedings Volume 12716, Third International Conference on Digital Signal and Computer Communications (DSCC 2023); 127160S (2023) https://doi.org/10.1117/12.2685641
Event: Third International Conference on Digital Signal and Computer Communications (DSCC 2023), 2023, Xi'an, China

Abstract

Vehicle-to-vehicle communication technology (V2V) can improve road safety by exchanging information with the surrounding environment. At present, both LTE-V2V and IEEE 802.11p can support the necessary security service requirements, and have been widely studied and tested. However, with the rapid development of intelligent connected vehicles, supporting only the necessary security services can no longer meet the needs of enhanced applications represented by autonomous driving, which poses new challenges to vehicle networking technology. The third-generation partnership project (3GPP) has carried out the second phase of research and standardization of cellular vehicle networking (C-V2X), focusing on new enhanced applications and performance improvements. Moreover, the IEEE 802.11bd task force is also developing the next phase of the V2X standard. This paper mainly evaluates the physical layer performance of these two technologies in V2V, namely NR-V2X Sidelink (SL) and IEEE 802.11bd technology. The results show that NR-V2X SL is superior to IEEE 802.1bd technology in data transmission rate when only considering the performance of physical layer in V2V communication. In terms of transmission distance, NR-V2X SL can achieve stable transmission at a longer distance. In terms of transmission delay, IEEE802.11bd can achieve lower transmission delay. In addition, the influence of variable subcarrier spacing (SCS) on the transmission performance of NR-V2X SL is also studied. The results show that NR-V2X SL has lower transmission delay and transmission rate with the increase of SCS.

Citation Download Citation

Pin Zhao, Hongbin Qin, Yiying Wei, Xian Wu, and Huipeng Li "NR-V2X sidelink PHY layer performance evaluation", Proc. SPIE 12716, Third International Conference on Digital Signal and Computer Communications (DSCC 2023), 127160S (28 July 2023); https://doi.org/10.1117/12.2685641

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KEYWORDS

Data transmission

Orthogonal frequency division multiplexing

Autonomous driving

Data communications

Modulation

Standards development

Autonomous vehicles

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