Information sending, information determining and relationship determining methods and devices

A wireless device comprising a memory for storing computer instructions and a processor in communication with the memory, wherein, when the processor executes the computer instructions, the processor is configured to cause the wireless device to:

• receive M parameter sets via high-layer signaling, M being an integer greater than 1, wherein:
• each parameter set comprises quasi-co-location (QCL) Non-Zero Power (NZP) Channel State Information Reference Signal (CSI-RS) indication information indicating a QCL NZP CSI-RS configuration, and comprises a frequency range information indicating a frequency range associated with the QCL NZP CSI-RS configuration, the QCL NZP CSI-RS configuration being used by the terminal to acquire a large-scale characteristic of a channel;
• receive parameter set selection information via a physical layer control signal;
• and
• determine, according to the parameter set selection information and the QCL NZP CSI-RS indication information of a parameter set among the M parameter sets corresponding to the parameter set selection information, QCL CSI-RS configuration of a de-Modulation Reference Signal (DMRS).

An information sending method, performed by a base station, the method comprising:

• sending M parameter sets via high-layer signaling, M being an integer greater than 1, wherein:
• each parameter set comprises QCL NZP CSI-RS indication information indicating a QCL NZP CSI-RS configuration, and comprises a frequency range information indicating a frequency range associated with the QCL NZP CSI-RS configuration, the QCL NZP CSI-RS configuration being used by a terminal to acquire a large-scale characteristic of a channel;
• and
• sending parameter set selection information via a physical layer control signal, wherein:
• the terminal is triggered by the parameter set selection information to determine, according to the parameter set selection information and the QCL NZP CSI-RS indication information of a parameter set among the M parameter sets corresponding to the parameter set selection information, QCL CSI-RS configuration of a DMRS.

A wireless communication node comprising a memory for storing computer instructions and a processor in communication with the memory, wherein, when the processor executes the computer instructions, the processor is configured to cause the wireless communication node to:

• send M parameter sets via high-layer signaling, M being an integer greater than 1, wherein:
• each parameter set comprises QCL NZP CSI-RS indication information indicating a QCL NZP CSI-RS configuration, and comprises a frequency range information indicating a frequency range associated with the QCL NZP CSI-RS configuration, the QCL NZP CSI-RS configuration being used by a terminal to acquire a large-scale characteristic of a channel;
• and
• send parameter set selection information via a physical layer control signal, wherein:
• the terminal is triggered by the parameter set selection information to determine, according to the parameter set selection information and the QCL NZP CSI-RS indication information of a parameter set among the M parameter sets corresponding to the parameter set selection information, QCL CSI-RS configuration of a DMRS.