CPC H04B 7/0695 (2013.01) [H04W 76/19 (2018.02); H04W 80/02 (2013.01)] | 8 Claims |
1. A method for indicating beam failure recovery (BFR), the method comprising:
when a condition for triggering BFR is met, sending, by a terminal device, a media access control (MAC) control element (CE), the MAC CE indicating a beam index corresponding to a beam used for sending a feedback message by a network device; and
receiving, by the terminal device, the feedback message, the feedback message being sent by a network device based on the beam corresponding to the beam index indicated by the MAC CE,
wherein the method further comprises determining, by the terminal device, whether the BFR is successful based on the feedback message, further including:
determining, by the terminal device, that the BFR is successful when downlink scheduling information sent by the network device is received, wherein the downlink scheduling information is sent by the network device based on a physical downlink control channel (PDCCH) scrambled by a cell-radio network temporary identity (C-RNTI), and
wherein before sending, by the terminal device, the MAC CE, the method further comprises:
determining, by the terminal device, a downlink beam that meets a threshold condition; and
taking the downlink beam that meets the threshold condition as the beam corresponding to the beam index indicated by the MAC CE, wherein resources used by the terminal device to send the MAC CE are configured based on dynamic scheduling or by using semi-static resources.
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