Scholarlink

In the pursuit of fully realizing the vision of 5G New Radio (NR), which aims to accommodate a diverse array of devices, services and deployment scenarios, the introduction of sidelink represents a significant milestone. Sidelink communication is integrated to bolster the ability of NR for facilitating device-to-device (D2D) communication, and thus bringing in a host of enhancements, such as latency reduction, spectrum efficiency improvement, and reliability enhancement. This strategic evolution aligns with the overarching objective of fortifying 5G connectivity to meet the demands of varied and dynamic usage scenarios. This paper firstly introduces the development history and research status of NR sidelink. Then, an in-depth design of PSSCH (physical sidelink shared channel) is summarized, from the perspective of data multiplexing, resource allocation, DMRS configuration, etc. In order to evaluate the link level performance, a baseband algorithm for PSSCH is designed, and corresponding simulation results are provided under different conditions.

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An Overview of Physical Sidelink Shared Channel Design and Link Level Performance Evaluation

  • 会议论文

  • 发表日期：

    2025年

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  • Jiawang Chen,
  • Huamin Chen,
  • Hui Li,
  • Yuxin Zhang

摘要

In the pursuit of fully realizing the vision of 5G New Radio (NR), which aims to accommodate a diverse array of devices, services and deployment scenarios, the introduction of sidelink represents a significant milestone. Sidelink communication is integrated to bolster the ability of NR for facilitating device-to-device (D2D) communication, and thus bringing in a host of enhancements, such as latency reduction, spectrum efficiency improvement, and reliability enhancement. This strategic evolution aligns with the overarching objective of fortifying 5G connectivity to meet the demands of varied and dynamic usage scenarios. This paper firstly introduces the development history and research status of NR sidelink. Then, an in-depth design of PSSCH (physical sidelink shared channel) is summarized, from the perspective of data multiplexing, resource allocation, DMRS configuration, etc. In order to evaluate the link level performance, a baseband algorithm for PSSCH is designed, and corresponding simulation results are provided under different conditions.