Method and apparatus of indicating aggregation number in a wireless communication system

1. A method of a User Equipment (UE), the method comprising:

receiving a message associated with Physical Downlink Shared Channel (PDSCH) parameter configuration, wherein:

the message comprises a first parameter indicative of a first list of entries associated with time resource allocation for multiple PDSCHs;

the message comprises a second parameter indicative of reception of multiple repetitions for a single PDSCH;

the message comprises a third parameter indicative of a second list of entries associated with time resource allocation;

each entry in the second list is indicative of a single time resource allocation; and

at least one of the first list, the second list or the second parameter are used for determining a repetition number;

receiving, if the UE receives a first Downlink Control Information (DCI) indicative of a first entry in the first list, a plurality of PDSCHs based on a plurality of time resource allocations indicated by the first entry, wherein a first repetition number for the plurality of PDSCHs is determined to be one; and

receiving, if the UE receives a second DCI indicative of a second entry in the second list, one or more PDSCHs with repetition based on a single time resource allocation indicated by the second entry, wherein a second repetition number for the one or more PDSCHs is determined based on the second parameter.

2. The method of claim 1 , wherein at least one of:

a number of PDSCHs of the plurality of PDSCHs is based on a number of time resource allocations of the plurality of time resource allocations;

the number of PDSCHs of the plurality of PDSCHs is equal to the number of time resource allocations of the plurality of time resource allocations; or

the number of PDSCHs of the plurality of PDSCHs is determined to be the number of time resource allocations of the plurality of time resource allocations.

3. The method of claim 1 , wherein a number of PDSCHs of the one or more PDSCHs is equal to a number of repetitions of the multiple repetitions associated with the second parameter.

4. The method of claim 1 , wherein at least one of:

the first DCI is DCI format 1_1; or

the second DCI is not DCI format 1_1.

5. The method of claim 1 , wherein at least one of:

the first repetition number corresponds to a number of time occasions for each PDSCH of the plurality of PDSCHs; or

the second repetition number corresponds to a second number of time occasions for each PDSCH of the one or more PDSCHs.

6. The method of claim 1 , wherein at least one of:

one PDSCH corresponds to one Transport Block (TB);

PDSCHs of the plurality of PDSCHs correspond to different TBs;

PDSCHs of the plurality of PDSCHs are associated with different Hybrid Automatic Repeat Request (HARQ) process numbers;

PDSCHs of the plurality of PDSCHs are associated with time resource allocations of the plurality of time resource allocations indicated by the first DCI;

each PDSCH of the plurality of PDSCHs is associated with a time occasion;

each PDSCH of the plurality of PDSCHs is associated with a slot; or

the UE receives the plurality of PDSCHs without applying the multiple repetitions associated with the second parameter.

7. The method of claim 1 , wherein at least one of:

each PDSCH of the one or more PDSCHs corresponds to one Transport Block (TB);

each PDSCH of the one or more PDSCHs is associated with a same Hybrid Automatic Repeat Request (HARQ) process number;

each PDSCH of the one or more PDSCHs is associated with a time occasion;

each PDSCH of the one or more PDSCHs is associated with a slot; or

each PDSCH of the one or more PDSCHs is associated with the single time resource allocation indicated by the second entry.

8. The method of claim 1 , wherein at least one of:

a time resource allocation of the plurality of time resource allocations corresponds to at least one of a starting Orthogonal Frequency Division Multiplexing (OFDM) symbol, a length of consecutive OFDM symbols or a mapping type;

a time resource allocation of the plurality of time resource allocations corresponds to a start and length indicator value (SLIV);

a time resource allocation of the plurality of time resource allocations corresponds to a SLIV and a mapping type;

the single time resource allocation indicated by the second entry corresponds to at least one of a starting OFDM symbol, a length of consecutive OFDM symbols or a mapping type;

the single time resource allocation indicated by the second entry corresponds to a SLIV; or

the single time resource allocation indicated by the second entry corresponds to a SLIV and a mapping type.

9. The method of claim 1 , wherein at least one of:

the first list is associated with time resource allocation for downlink transmission;

the second list is associated with time resource allocation for downlink transmission;

each entry in the first list is indicative of at most eight time resource allocations;

time resource allocations of the plurality of time resource allocations correspond to at least one of different starting Orthogonal Frequency Division Multiplexing (OFDM) symbols, different lengths of consecutive OFDM symbols or different mapping types;

time resource allocations of the plurality of time resource allocations correspond to at least one of a same starting OFDM symbol, a same length of consecutive OFDM symbols or a same mapping type; or

time resource allocations of the plurality of time resource allocations correspond to at least one of different slots or different time occasions.

10. The method of claim 1 , wherein at least one of:

the second parameter is pdsch-AggregationFactor;

the multiple repetitions associated with the second parameter is associated with configuring at least one of consecutive transmissions, consecutive time occasions or consecutive slots for transmitting a single Transport Block (TB);

the multiple repetitions is associated with at least one of slot aggregation or transmission aggregation for a single TB;

the multiple repetitions is associated with downlink transmission; or

the multiple repetitions is updated based on Radio Resource Control (RRC) signaling.

11. A method for a User Equipment (UE), comprising:

receiving a configuration, from a network, for configuring a list associated with time resource allocation for multiple Physical Downlink Shared Channels (PDSCHs), wherein:

the list comprises a first entry and a second entry;

the first entry is indicative of a plurality of time resource allocations without repetition; and

the second entry indicates a single time resource allocation with repetition;

receiving a Downlink Control Information (DCI) indicative of an entry in the list; and

performing first reception based on the entry indicated by the DCI, wherein:

if the entry indicated by the DCI is the first entry, the first reception comprises receiving a plurality of Transport Blocks (TBs) without repetition based on the plurality of time resource allocations; and

if the entry indicated by the DCI is the second entry, the first reception comprises receiving a single TB with repetition based on the single time resource allocation.

12. The method of claim 11 , wherein the receiving the plurality of TBs without repetition based on the plurality of time resource allocations comprises performing one or more receptions on one or more time occasions, wherein a number of time occasions of the one or more time occasions is based on a number of time resource allocations of the plurality of time resource allocations.

13. The method of claim 12 , wherein at least one of:

for each TB of the plurality of TBs, the one or more receptions comprise a reception of the TB;

the one or more receptions comprise receiving TBs of the plurality of TBs in consecutive slots; or

each TB of the plurality of TBs is associated with a time resource allocation of the plurality of time resource allocations.

14. The method of claim 11 , wherein at least one of:

time resource allocations of the plurality of time resource allocations correspond to at least one of different starting Orthogonal Frequency Division Multiplexing (OFDM) symbols, different lengths of consecutive OFDM symbols or different mapping types;

time resource allocations of the plurality of time resource allocations correspond to at least one of a same starting OFDM symbol, a same length of consecutive OFDM symbols or a same mapping type; or

time resource allocations of the plurality of time resource allocations correspond to at least one of different slots or different time occasions.

15. The method of claim 11 , wherein the receiving the single TB with repetition based on the single time resource allocation comprises performing one or more receptions on one or more time occasions, wherein a number of time occasions of the one or more time occasions is based on a repetition number.

16. The method of claim 15 , wherein at least one of:

the repetition number is based on an aggregation factor;

the aggregation factor is associated with configuring at least one of consecutive transmissions, consecutive time occasions or consecutive slots for receiving a second single TB;

the aggregation factor is associated with at least one of slot aggregation or transmission aggregation for a third single TB; or

the aggregation factor is associated with downlink transmission.

17. The method of claim 11 , wherein at least one of:

a time resource allocation of one or more time resource allocations indicated by the list corresponds to at least one of a starting Orthogonal Frequency Division Multiplexing (OFDM) symbol, a length of consecutive OFDM symbols or a mapping type;

the first reception comprises performing one or more receptions on one or more time occasions;

a time occasion of the one or more time occasions is at least one of a slot, a mini-slot, a resource associated with a time resource allocation of the one or more time resource allocations or a PDSCH;

a time resource allocation of the one or more time resource allocations corresponds to a start and length indicator value (SLIV);

a time resource allocation of the one or more time resource allocations corresponds to a SLIV and a mapping type; or

a time resource allocation of the one or more time resource allocations indicates one or more symbols in a slot.

18. A User Equipment (UE), comprising:

a control circuit;

a processor installed in the control circuit; and

a memory installed in the control circuit and operatively coupled to the processor, wherein the processor is configured to execute a program code stored in the memory to perform operations, the operations comprising:

receiving a message associated with Physical Downlink Shared Channel (PDSCH) parameter configuration, wherein:

the message comprises a first parameter indicative of a first list of entries associated with time resource allocation for multiple PDSCHs;

the message comprises a second parameter indicative of reception of multiple repetitions for a single PDSCH;

the message comprises a third parameter indicative of a second list of entries associated with time resource allocation;

each entry in the second list is indicative of a single time resource allocation; and

at least one of the first list, the second list or the second parameter are used for determining a repetition number;

receiving, if the UE receives a first Downlink Control Information (DCI) indicative of a first entry in the first list, a plurality of PDSCHs based on a plurality of time resource allocations indicated by the first entry, wherein a first repetition number for the plurality of PDSCHs is determined to be one; and

receiving, if the UE receives a second DCI indicative of a second entry in the second list, one or more PDSCHs with repetition based on a single time resource allocation indicated by the second entry, wherein a second repetition number for the one or more PDSCHs is determined based on the second parameter.

19. The UE of claim 18 , wherein at least one of:

a number of PDSCHs of the plurality of PDSCHs is based on a number of time resource allocations of the plurality of time resource allocations;

the number of PDSCHs of the plurality of PDSCHs is equal to the number of time resource allocations of the plurality of time resource allocations; or

the number of PDSCHs of the plurality of PDSCHs is determined to be the number of time resource allocations of the plurality of time resource allocations.

20. The UE of claim 18 , wherein a number of PDSCHs of the one or more PDSCHs is equal to a number of repetitions of the multiple repetitions indicated by the second parameter.