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Resolving Persistent Packet Collisions through Broadcast Feedback in Cellular V2X Communication

Author

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  • Youngjoon Yoon

    (Department of Computer Science and Engineering, Korea University, Anam-ro 145, Seongbug-gu, Seoul 02841, Korea)

  • Hyogon Kim

    (Department of Computer Science and Engineering, Korea University, Anam-ro 145, Seongbug-gu, Seoul 02841, Korea)

Abstract

The Third Generation Partnership Project (3GPP) Release 16 defines the sensing-based semi-persistent scheduling (SPS) as the resource allocation scheme for Sidelink Mode 2 in New Radio (NR)-based vehicle-to-everything (V2X) communication. A well-known issue in Mode 2 is the persistent packet collision that results from two or more vehicles repeatedly using the same resource for transmission. It may create serious safety problems when the vehicles are in a situation where only the broadcast safety beacons can assist in driving. To resolve this issue, a solution that relies on the feedback from neighboring vehicles is proposed, through which the vehicles suffering from persistent packet collisions can quickly part and select other resources. Extensive simulations show that the proposed broadcast feedback scheme reduces persistent packet collisions by an order of magnitude compared to SPS, and it is achieved without sacrificing the average packet reception ratio (PRR). Namely, it is the quality aspect (i.e., burstiness) of the packet collisions that the proposed scheme addresses rather than the quantity (i.e., total number of collision losses). By preventing extended packet loss events, the proposed scheme is expected to serve NR V2X better, which requires stringent QoS in terms of the information update delay thereby helping to reduce the chances of vehicle crashes.

Suggested Citation

  • Youngjoon Yoon & Hyogon Kim, 2021. "Resolving Persistent Packet Collisions through Broadcast Feedback in Cellular V2X Communication," Future Internet, MDPI, vol. 13(8), pages 1-21, August.
    • Handle: RePEc:gam:jftint:v:13:y:2021:i:8:p:211-:d:615600
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    References listed on IDEAS

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    1. Alessandro Bazzi & Giammarco Cecchini & Michele Menarini & Barbara M. Masini & Alberto Zanella, 2019. "Survey and Perspectives of Vehicular Wi-Fi versus Sidelink Cellular-V2X in the 5G Era," Future Internet, MDPI, vol. 11(6), pages 1-20, May.
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    Cited by:

    1. Teguh Indra Bayu & Yung-Fa Huang & Jeang-Kuo Chen, 2023. "Reinforcement Learning Approach for Adaptive C-V2X Resource Management," Future Internet, MDPI, vol. 15(10), pages 1-15, October.
    2. Zhixi Hu & Yi Zhu & Xiaoying Chen & Yu Zhao, 2022. "Safety Verification of Driving Resource Occupancy Rules Based on Functional Language," Future Internet, MDPI, vol. 14(2), pages 1-15, February.

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