Communication method and apparatus
A communication method performed by a network device comprises: sending first indication information, wherein the first indication information is used for indicating, to a terminal device, resource configuration information for processing a cross-link interference measurement signal. The first indication information may include time-frequency domain resource allocation information.
1 . A communication method, performed by a network device, the method comprising:
sending first indication information based on a radio resource control (RRC) signaling, wherein the first indication information is configured to indicate resource allocation information for processing a cross link interference measurement signal to a terminal device;
sending second indication information based on a media access control (MAC) control element (CE), wherein the second indication information is configured to indicate the terminal device to activate one or more pieces of the resource allocation information for processing the cross link interference measurement signal, or the second indication information is configured to indicate the terminal device to deactivate one or more pieces of the resource allocation information for processing the cross link interference measurement signal; and
sending third indication information based on downlink control information (DCI), wherein the third indication information is configured to indicate the terminal device to trigger one or more pieces of the resource allocation information for processing the cross link interference measurement signal.
2 . The method according to claim 1 , wherein the first indication information comprises at least one of:
time-frequency domain resource allocation information for sending the cross link interference measurement signal;
a sending beam group for sending the cross link interference measurement signal;
time-frequency domain resource allocation information for measuring the cross link interference measurement signal;
time-frequency domain resource allocation information for receiving the cross link interference measurement signal;
a receiving beam group for receiving the cross link interference measurement signal; or,
a reporting threshold for a number of cross link interference measurements;
wherein the cross link interference measurement signal comprises at least one of: a physical uplink shared channel (PUSCH) signal; a physical uplink control channel (PUCCH) signal; a sounding reference signal (SRS); or a specified cross link interference measurement signal; and
wherein the sending beam group for sending the cross link interference measurement signal is indicated by any one of: a specified set of synchronization signal blocks (SSBs), or a specified set of channel state information (CSI) reference signals (RSs).
3 . A communication method, performed by a first terminal device, the method comprising:
receiving first indication information based on a radio resource control (RRC) signaling, wherein the first indication information is configured to indicate resource allocation information for sending a cross link interference measurement signal to the first terminal device;
receiving second indication information based on a media access control (MAC) control element (CE), wherein the second indication information is configured to indicate the first terminal device to activate one or more pieces of the resource allocation information for sending the cross link interference measurement signal, or the second indication information is configured to indicate the first terminal device to deactivate one or more pieces of the resource allocation information for sending the cross link interference measurement signal; and
receiving third indication information based on downlink control information (DCI), wherein the third indication information is configured to indicate the first terminal device to trigger one or more pieces of the resource allocation information for sending the cross link interference measurement signal.
4 . The method according to claim 3 , wherein the first indication information comprises at least one of:
time-frequency domain resource allocation information for sending the cross link interference measurement signal; or
a sending beam group for sending the cross link interference measurement signal;
wherein the cross link interference measurement signal comprises at least one of: a physical uplink shared channel (PUSCH) signal; a physical uplink control channel (PUCCH) signal; a sounding reference signal (SRS); or a specified cross link interference measurement signal; and
wherein the sending beam group for sending the cross link interference measurement signal is indicated by any one of: a specified set of synchronization signal blocks (SSBs), or a specified set of channel state information (CSI) reference signals (RSS).
5 . The method according to claim 4 , further comprising one of:
determining an uplink beam corresponding to an optimal receiving beam in the specified set of SSB as a sending beam of the cross link interference measurement signal; or,
determining an uplink beam corresponding to an optimal receiving beam in a specified set of CSI RSs as a sending beam of the cross link interference measurement signal.
6 . A communication method, performed by a second terminal device, comprising:
receiving first indication information based on a radio resource control (RRC) signaling, wherein the first indication information is configured to indicate resource allocation information for processing a cross link interference measurement signal to the second terminal device;
receiving second indication information based on a media access control (MAC) control element (CE), wherein the second indication information is configured to indicate the second terminal device to activate one or more pieces of the resource allocation information for processing the cross link interference measurement signal, or the second indication information is configured to indicate the second terminal device to deactivate one or more pieces of the resource allocation information for processing the cross link interference measurement signal; and
receiving third indication information based on downlink control information (DCI), wherein the third indication information is configured to indicate the second terminal device to trigger one or more pieces of the resource allocation information for processing the cross link interference measurement signal.
7 . The method according to claim 6 , wherein the first indication information comprises at least one of:
time-frequency domain resource allocation information for measuring the cross link interference measurement signal;
time-frequency domain resource allocation information for receiving the cross link interference measurement signal;
a receiving beam group for receiving the cross link interference measurement signal; or,
a reporting threshold for a number of cross link interference measurements; and
wherein the cross link interference measurement signal comprises at least one of: a physical uplink shared channel (PUSCH) signal; a physical uplink control channel (PUCCH) signal; a sounding reference signal (SRS); or a specified cross link interference measurement signal.
8 . The method according to claim 7 , further comprising one of:
receiving the cross link interference measurement signal by using a receiving beam of a physical downlink control channel (PDCCH); or,
receiving the cross link interference measurement signal by using a receiving beam of a physical downlink shared channel (PDSCH); or,
receiving the cross link interference measurement signal by using a receiving beam configured by a network device.