Communication method including a physical uplink shared channel (PUSH) based on a synchronization signal broadcast block (SSB) and apparatus
A communication method and an apparatus includes a terminal device that receives a first SSB, determines a PUSCH occasion corresponding to the first SSB, and sends uplink information by using the PUSCH occasion corresponding to the first SSB; and further, the terminal device receives, based on a spatial reception parameter of the first SSB, downlink information sent by a network device.
1. A communication method, wherein the method is applied to a terminal device:
receiving a first synchronization signal broadcast channel block (SSB);
determining a physical uplink shared channel (PUSCH) occasion corresponding to the first SSB; and
sending uplink information, through use of the PUSCH occasion;
determining a correspondence between M SSBs and a plurality of PUSCH occasions, wherein the M SSBs include the first SSB, and M is a positive integer; and
the determining a PUSCH occasion corresponding to the first SSB comprises:
determining, based on the correspondence between the M SSBs and the plurality of PUSCH occasions, the PUSCH occasion corresponding to the first SSB.
2. The method according to claim 1 , further comprising:
receiving downlink information from a network device based on a spatial reception parameter of the first SSB.
3. The method according to claim 1 , wherein:
the PUSCH occasion corresponding to the first SSB includes a time domain resource; and
the determining the correspondence between the M SSBs and the plurality of PUSCH occasions comprises:
determining the correspondence between the M SSBs and the plurality of PUSCH occasions based on indexes of slots in which the plurality of PUSCH occasions are located; or
determining the correspondence between the M SSBs and the plurality of PUSCH occasions based on indexes of time domain resources of the plurality of PUSCH occasions and the indexes of slots in which the plurality of PUSCH occasions are located.
4. The method according to claim 3 , wherein:
the PUSCH occasion is associated with a demodulation reference signal (DMRS) resource that includes DMRS port information and/or DMRS sequence information; and
the determining the correspondence between the M SSBs and the plurality of PUSCH occasions comprises:
determining the correspondence between the M SSBs and the plurality of PUSCH occasions further based on DMRS resources associated with the plurality of PUSCH occasions.
5. The method according to claim 1 , wherein:
the plurality of PUSCH occasions are in a preset time period.
6. An apparatus, applied for a terminal device, comprises:
at least one processor; and
a memory storing instructions for execution by the at least one processor;
wherein, when executed, the instructions cause the at least one processor to perform operations to:
receive a first synchronization signal broadcast channel block (SSB);
determining a physical uplink shared channel (PUSCH) occasion corresponding to the first SSB; and
send uplink information through use of the PUSCH occasion, wherein:
in response to being executed, the instructions cause the at least one processor to perform operations to:
determine a correspondence between M SSBs and a plurality of PUSCH occasions, wherein the M SSBs include the first SSB, and M is a positive integer; and
the determining a PUSCH occasion corresponding to the first SSB comprises:
determine, based on the correspondence between the M SSBs and the plurality of PUSCH occasions, the PUSCH occasion corresponding to the first SSB.
7. The apparatus according to claim 6 , wherein:
in response to being executed, the instructions cause the at least one processor to perform operations to:
receive downlink information from a network device based on a spatial reception parameter of the first SSB.
8. The apparatus according to claim 6 , wherein:
the PUSCH occasion corresponding to the first SSB includes a time domain resource; and
the determining the correspondence between the M SSBs and the plurality of PUSCH occasions comprises:
determine the correspondence between the M SSBs and the plurality of PUSCH occasions based on indexes of slots in which the plurality of PUSCH occasions are located; or
determine the correspondence between the M SSBs and the plurality of PUSCH occasions based on indexes of time domain resources of the plurality of PUSCH occasions and the indexes of slots in which the plurality of PUSCH occasions are located.
9. The apparatus according to claim 8 , wherein:
the PUSCH occasion is associated with a demodulation reference signal (DMRS) resource that includes DMRS port information or DMRS sequence information; and
the determining the correspondence between the M SSBs and the plurality of PUSCH occasions comprises:
determining the correspondence between the M SSBs and the plurality of PUSCH occasions further based on DMRS resources associated with the plurality of PUSCH occasions.
10. The apparatus according to claim 6 , wherein:
the plurality of PUSCH occasions are in a preset time period.
11. A non-transitory memory storage medium, comprising:
computer-executable instructions that, when executed, facilitate a terminal device carrying out operations to:
receive a first synchronization signal broadcast channel block (SSB);
determine a physical uplink shared channel (PUSCH) occasion corresponding to the first SSB; and
send uplink information through use of the PUSCH occasion, wherein:
in response to the instructions being executed, carrying out operations to:
determine a correspondence between M SSBs and a plurality of PUSCH occasions, wherein the M SSBs includes the first SSB, and M is a positive integer; and
the determining the PUSCH occasion corresponding to the first SSB comprises:
determine, based on the correspondence between the M SSBs and the plurality of PUSCH occasions, the PUSCH occasion corresponding to the first SSB.
12. The non-transitory memory storage medium according to claim 11 , wherein:
in response to the instructions being executed, carrying out operations to:
receive downlink information from a network device based on a spatial reception parameter of the first SSB.
13. The non-transitory memory storage medium according to claim 11 , wherein:
the PUSCH occasion corresponding to the first SSB includes a time domain resource; and
the determining the correspondence between the M SSBs and the plurality of PUSCH occasions comprises:
determine the correspondence between the M SSBs and the plurality of PUSCH occasions based on indexes of slots in which the plurality of PUSCH occasions are located; or
determine the correspondence between the M SSBs and the plurality of PUSCH occasions based on indexes of time domain resources of the plurality of PUSCH occasions and the indexes of slots in which the plurality of PUSCH occasions are located.
14. The non-transitory memory storage medium according to claim 13 , wherein:
the PUSCH occasion is associated with a demodulation reference signal (DMRS) resource that includes DMRS port information and/or DMRS sequence information; and
the determining the correspondence between the M SSBs and the plurality of PUSCH occasions comprises:
determine the correspondence between the M SSBs and the plurality of PUSCH occasions further based on DMRS resources associated with the plurality of PUSCH occasions.
15. The non-transitory memory storage medium according to claim 11 , wherein:
the plurality of PUSCH occasions are in a preset time period.