Scholarlink

Sidelink communication technology is an innovative device-to-device communication method in 5G networks. It is primarily used for vehicle-to-everything (V2X), proximity service, public safety, and so on. 3GPP has been dedicated to developing the technical standards for sidelink. This paper mainly introduces the applications and developments of sidelink technology, and summarizes the detail design of the physical sidelink control channel (PSCCH). In addition, based on the application scenarios and communication requirements of sidelink and traditional wireless communication, the design differences between PSCCH and physical downlink control channel (PDCCH) at the physical layer are illustrated. It also explains the information, application scenarios and functions carried by the sidelink control information 1 (SCI1) transmitted on the PSCCH and the sidelink control information 2 (SCI2) transmitted on the physical sidelink shared channel (PSSCH). Finally, the PSCCH reception algorithm is proposed, and the performance simulation curves of SCI1 and SCI2 under specific parameters are provided, and their performance differences are analyzed.

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An Overview of PSCCH Design and Performance Evaluation

  • 会议论文

  • 发表日期：

    2025年

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  • Jinman Shen,
  • Hui Li,
  • Huamin Chen,
  • Peng Wang

摘要

Sidelink communication technology is an innovative device-to-device communication method in 5G networks. It is primarily used for vehicle-to-everything (V2X), proximity service, public safety, and so on. 3GPP has been dedicated to developing the technical standards for sidelink. This paper mainly introduces the applications and developments of sidelink technology, and summarizes the detail design of the physical sidelink control channel (PSCCH). In addition, based on the application scenarios and communication requirements of sidelink and traditional wireless communication, the design differences between PSCCH and physical downlink control channel (PDCCH) at the physical layer are illustrated. It also explains the information, application scenarios and functions carried by the sidelink control information 1 (SCI1) transmitted on the PSCCH and the sidelink control information 2 (SCI2) transmitted on the physical sidelink shared channel (PSSCH). Finally, the PSCCH reception algorithm is proposed, and the performance simulation curves of SCI1 and SCI2 under specific parameters are provided, and their performance differences are analyzed.