Information sending, information determining and relationship determining methods and devices
Information sending, information determining and relationship determining methods and devices are provided. According to the information sending method, a base station sends M parameter sets via high-layer signaling, wherein M>=1, M is a positive integer, each parameter set includes 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 sends parameter set selection information via a physical layer control signal, where 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 selection information, QCL CSI-RS configuration of a DMRS.
1. An information determining method, performed by a terminal, the method comprising:
receiving 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;
receiving parameter set selection information via a physical layer control signal; and
determining, 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).
2. The method of claim 1 , wherein the QCL NZP CSI-RS configuration indicated by the QCL NZP CSI-RS indication information in the each parameter set is applicable to the frequency range in the same parameter set.
3. The method of claim 1 , wherein the frequency range of the each parameter set comprises an integer multiple of one Resource Block (RB).
4. The method of claim 1 , wherein a same QCL NZP CSI-RS configuration corresponds to two or more parameter sets.
5. The method of claim 4 , wherein the two or more parameter sets associated with the same QCL NZP CSI-RS configuration comprise different frequency ranges.
6. The method of claim 1 , wherein the physical layer control signal comprises a downlink control indication (DCI) signal.
7. 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).
8. The wireless device of claim 7 , wherein the QCL NZP CSI-RS configuration indicated by the QCL NZP CSI-RS indication information in the each parameter set is applicable to the frequency range in the same parameter set.
9. The wireless device of claim 7 , wherein the frequency range of the each parameter set comprises an integer multiple of one Resource Block (RB).
10. The wireless device of claim 7 , wherein a same QCL NZP CSI-RS configuration corresponds to two or more parameter sets.
11. The wireless device of claim 10 , wherein the two or more parameter sets associated with the same QCL NZP CSI-RS configuration comprise different frequency ranges.
12. The wireless device of claim 7 , wherein the physical layer control signal comprises a downlink control indication (DCI) signal.
13. 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.
14. The method of claim 13 , wherein the QCL NZP CSI-RS configuration indicated by the QCL NZP CSI-RS indication information in the each parameter set is applicable to the frequency range in the same parameter set.
15. The method of claim 13 , wherein a same QCL NZP CSI-RS configuration corresponds to two or more parameter sets.
16. The method of claim 15 , wherein the two or more parameter sets associated with the same QCL NZP CSI-RS configuration comprise different frequency ranges.
17. 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.
18. The wireless communication node of claim 17 , wherein the QCL NZP CSI-RS configuration indicated by the QCL NZP CSI-RS indication information in the each parameter set is applicable to the frequency range in the same parameter set.
19. The wireless communication node of claim 17 , wherein a same QCL NZP CSI-RS configuration corresponds to two or more parameter sets.
20. The wireless communication node of claim 19 , wherein the two or more parameter sets associated with the same QCL NZP CSI-RS configuration comprise different frequency ranges.