Scheduling request transmitting method, scheduling request receiving method, terminal, and network device

1. A scheduling request transmitting method, comprising:

in a case that a first trigger condition is met, transmitting by a terminal a scheduling request (SR) to a network device; and

in a case that a second trigger condition is met, canceling by the terminal transmission of the SR, or skipping transmission of the SR for N times, wherein N is an integer greater than 1;

wherein before the transmitting by the terminal the scheduling request (SR) to the network device, the method further comprises:

in a case that a beam failure is detected, triggering by the terminal a first medium access control control element (MAC CE), wherein the first MAC CE is used to transmit BFRQ information; or

in a case that a beam failure is detected and a new beam is identified, triggering by the terminal a first MAC CE, wherein the first MAC CE is used to transmit BWRQ information.

2. The method according to claim 1 , wherein the first trigger condition comprises at least one of the following:

a beam failure is detected by the terminal;

a beam failure is detected by the terminal and a new beam is identified by the terminal; and

the terminal has pending beam failure recovery request (BFRQ) information, but no uplink resource is available for transmitting the pending BFRQ information.

3. The method according to claim 2 , wherein that a beam failure is detected comprises at least one of the following:

a beam failure is detected in a cell;

a beam failure is detected in a bandwidth part (BWP); and

a beam failure is detected at a transmission reception point (TRP).

4. The method according to claim 2 , wherein that a beam failure is detected and a new beam is identified comprises at least one of the following:

a beam failure is detected in a cell, and a new beam is identified in the cell in which the beam failure is detected;

a beam failure is detected in a bandwidth part (BWP), and a new beam is identified in the BWP in which the beam failure is detected; and

a beam failure is detected at a transmission reception point (TRP), and a new beam is identified at the TRP at which the beam failure is detected.

5. The method according to claim 1 , wherein the first MAC CE is in a pending state.

6. The method according to claim 1 , wherein the second trigger condition comprises any one of the following:

BFRQ information is sent to the network device;

beam failure recovery is completed;

at least one of radio resource control (RRC), a medium access control control element (MAC CE), and downlink control information (DCI) is received from the network device;

a cell in which a beam failure has occurred is released or deactivated;

a bandwidth part (BWP) in which a beam failure has occurred is released or deactivated;

a transmission reception point (TRP) in which a beam failure has occurred is released or deactivated;

switching to a new cell is performed;

switching to a new bandwidth part (BWP) is performed;

switching to a new transmission reception point (TRP) is performed; and

switching to a new beam is performed.

7. The method according to claim 1 , wherein after the transmitting by the terminal the scheduling request (SR) to the network device, the method further comprises:

transmitting, by the terminal on an uplink grant resource configured or indicated by the network device, beam failure recovery request (BFRQ) information to the network device.

8. The method according to claim 7 , wherein the BFRQ information is carried by a MAC CE.

9. The method according to claim 7 , wherein in a case that the second trigger condition is met, the method further comprises:

canceling, by the terminal, transmission of the BFRQ information.

10. The method according to claim 1 , wherein the SR is an SR dedicated to beam failure recovery.

11. A terminal, comprising a memory, a processor, and a program stored in the memory and capable of running on the processor, wherein when the program is executed by the processor, the following steps are implemented:

in a case that a first trigger condition is met, transmitting a scheduling request (SR) to a network device; and

in a case that a second trigger condition is met, canceling transmission of the SR, or skipping transmission of the SR for N times, wherein N is an integer greater than 1;

wherein before the transmitting the scheduling request (SR) to the network device, the method further comprises:

in a case that a beam failure is detected, triggering a first medium access control control element (MAC CE), wherein the first MAC CE is used to transmit BFRQ information; or

in a case that a beam failure is detected and a new beam is identified, triggering a first MAC CE, wherein the first MAC CE is used to transmit BFRQ information.

12. The terminal according to claim 11 , wherein the first trigger condition comprises at least one of the following:

a beam failure is detected by the terminal;

a beam failure is detected by the terminal and a new beam is identified by the terminal; and

the terminal has pending beam failure recovery request (BFRQ) information, but no uplink resource is available for transmitting the pending BFRQ information.

13. The terminal according to claim 12 , wherein that a beam failure is detected comprises at least one of the following:

a beam failure is detected in a cell;

a beam failure is detected in a bandwidth part (BWP); and

a beam failure is detected at a transmission reception point (TRP).

14. The terminal according to claim 11 , wherein the second trigger condition comprises any one of the following:

BFRQ information is sent to the network device;

beam failure recovery is completed;

at least one of radio resource control (RRC), a medium access control control element (MAC CE), and downlink control information (DCI) is received from the network device;

a cell in which a beam failure has occurred is released or deactivated;

a bandwidth part (BWP) in which a beam failure has occurred is released or deactivated;

a transmission reception point (TRP) in which a beam failure has occurred is released or deactivated;

switching to a new cell is performed;

switching to a new bandwidth part (BWP) is performed;

switching to a new transmission reception point (TRP) is performed; and

switching to a new beam is performed.

15. The terminal according to claim 11 , wherein after the transmitting the scheduling request (SR) to the network device, the method further comprises:

transmitting, on an uplink grant resource configured or indicated by the network device, beam failure recovery request (BFRQ) information to the network device.