US Patent 11177920 Resource indication method, and related device and system

This application discloses a resource indication method, and a related device and system. The method includes: generating resource indication information, where the resource indication information is used to indicate a reference signal resource allocated to a terminal device in a reference signal resource group in which the terminal device is located among a plurality of reference signal resource groups; and sending the resource indication information. According to the foregoing solution, flexibility of configuring the reference signal resource can be improved, so that better resource sharing is implemented and resource overheads are reduced.