Information indication method, node, and storage medium
Disclosed are an information indication method, a node and a storage medium. The information indication method includes: by a first communication node, generating a control command, and then transmitting the control command to a second communication node, wherein the control command carries control information or carries control information and pre-compensation parameter information. The pre-compensation parameter information is used to indicate a first parameter. The control information is used to indicate whether the first communication node performs pre-compensation for the first parameter of at least one of a PDCCH, a PDSCH and a CSI-RS according to a configured QCL relationship.
1. An information indication method, comprising:
generating a control command by a first communication node; and
transmitting, by the first communication node, the control command to a second communication node;
wherein the control command carries control information, the control information is used to indicate whether the first communication node performs pre-compensation for a first parameter of at least one of a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH) or a channel state information reference signal (CSI-RS) according to a configured quasi co-location (QCL) relationship.
2. The method of claim 1 , wherein the control command comprises at least one of a media access control control element (MAC CE), a physical downlink control channel downlink control indicator (PDCCH DCI) or a radio resource control (RRC) message.
3. The method of claim 1 , wherein the first parameter comprises at least one of a Doppler shift, an average delay, a Doppler spread, a delay spread or a spatial reception parameter.
4. The method of claim 2 , wherein the MAC CE is used to indicate whether the first communication node performs pre-compensation for the first parameter and indicate the second communication node to enable or disable a first parameter compensation operation between a first channel and a first signal.
5. The method of claim 4 , wherein the MAC CE comprises one or more 1-bit first parameter pre-compensation indication domains, the first parameter pre-compensation indication domain is used to indicate that the first communication node does not pre-compensate for the first parameter and indicate the second communication node to enable the first parameter compensation operation between the first channel and the first signal, or the first parameter pre-compensation indication domain is used to indicate that the first communication node performs pre-compensation for the first parameter and indicate the second communication node to disable the first parameter compensation operation between the first channel and the first signal.
6. The method of claim 2 , wherein the PDCCH DCI is a 1-bit first parameter pre-compensation indication field, the first parameter pre-compensation indication field is used to indicate that the first communication node does not pre-compensate for the first parameter and indicate the second communication node to enable a first parameter compensation operation between the first channel and the first signal, or the first parameter pre-compensation indication field is used to indicate that the first communication node performs pre-compensation for the first parameter and indicate the second communication node to disable the first parameter compensation operation between the first channel and the first signal.
7. The method of claim 2 , wherein the RRC message is used to indicate that the first communication node does not pre-compensate for the first parameter and indicate the second communication node to enable a first parameter compensation operation between the first channel and the first signal, or the RRC message is used to indicate that the first communication node performs pre-compensation for the first parameter and indicate the second communication node to disable the first parameter compensation operation between the first channel and the first signal.
8. The method of claim 5 , wherein the first channel comprises at least one of: a PDCCH, or a PDSCH; and
the first signal comprises at least one of: a synchronization signal and a physical broadcast channel, or a tracking reference signal.
9. The method of claim 5 , wherein 1 bit for indicating the second communication node to disable or enable the first parameter between the first channel and the first signal is a separate 1-bit command field or a reused DCI field.
10. An information indication method, comprising:
receiving a control command by a second communication node; and
enabling or disabling, by the second communication node, a first parameter compensation operation between a first channel and a first signal according to the control command;
wherein the control command carries control information, or the control command carries control information and pre-compensation parameter information, the control information is used to indicate whether the first communication node performs pre-compensation for a first parameter of at least one of a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH) or a channel state information reference signal (CSI-RS) according to a configured quasi co-location (QCL) relationship, and the pre-compensation parameter information is used to indicate the first parameter.
11. The method of claim 10 , wherein the control command comprises at least one of: a media access control control element (MAC CE), a physical downlink control channel downlink control indicator (PDCCH DCI) or a radio resource control (RRC) message.
12. The method of claim 10 , wherein the enabling or disabling, by the second communication node, a first parameter compensation operation between a first channel and a first signal according to the control command comprises:
enabling or disabling, by the second communication node, the first parameter compensation operation between the first channel and the first signal according to the control information and a predefined parameter, the predefined parameter being the first parameter carried in the control information.
13. The method of claim 12 , wherein the enabling or disabling, by the second communication node, the first parameter compensation operation between the first channel and the first signal according to the control information comprises:
in response to the second communication node determining according to the control information that the first communication node does not pre-compensate for the first parameter of at least one of the PDCCH, the PDSCH or the CSI-RS, enabling, by the second communication node, the first parameter compensation operation between the first channel and the first signal;
or, in response to the second communication node determining according to the control information that the first communication node performs pre-compensation for the first parameter of at least one of the PDCCH, the PDSCH or the CSI-RS, disabling, by the second communication node, the first parameter compensation operation between the first channel and the first signal.
14. The method of claim 12 , wherein the enabling or disabling, by the second communication node, the first parameter compensation operation between the first channel and the first signal according to the control information comprises:
in response to the second communication node determining according to the control information that the first communication node does not pre-compensate for the first parameter of at least one of the PDCCH, the PDSCH or the CSI-RS, enabling, by the second communication node, the first parameter compensation operation between the first channel and the first signal;
or, in response to the second communication node determining according to the control information that the first communication node performs pre-compensation for the first parameter of at least one of the PDCCH, the PDSCH or the CSI-RS, disabling, by the second communication node, the first parameter compensation operation between the first channel and the first signal.
15. The method of claim 10 , wherein the first parameter comprises at least one of: a Doppler shift, a Doppler spread, a delay spread, an average delay, or a spatial reception parameter.
16. The method of claim 15 , wherein the first channel comprises at least one of a PDCCH or a PDSCH; and
the first signal comprises at least one of: a synchronization signal and a physical broadcast channel, or a tracking reference signal.
17. The method of claim 12 , wherein, in response to the second communication node enabling the first parameter compensation operation between the first channel and the first signal, the second communication node compensates for the first parameter of at least one of the PDCCH, the PDSCH and the CSI-RS.
18. The method of claim 12 , wherein, in response to the second communication node disabling the first parameter compensation operation between the first channel and the first signal, the second communication node does not compensate for the first parameter of at least one of the PDCCH, the PDSCH and the CSI-RS.
19. A node, comprising: a processor, programs being used by the processor to implement an information indication method, comprising:
generating a control command by a first communication node; and
transmitting, by the first communication node, the control command to a second communication node;
wherein the control command carries control information, the control information is used to indicate whether the first communication node performs pre-compensation for a first parameter of at least one of a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH) or a channel state information reference signal (CSI-RS) according to a configured quasi co-location (QCL) relationship.
20. A node, comprising: a processor, programs being used by the processor to implement the information indication method of claim 10 .