Systems and methods for signaling starting symbols in multiple PDSCH transmission occasions

1. A method performed by a wireless communication device, the method comprising:

receiving an indication of a plurality of transmission occasions for a respective plurality of downlink transmissions to the wireless communication device, wherein:

at least two of the plurality of downlink transmissions are associated to different transmission configuration indication (TCI) states;

the plurality of transmission occasions is a plurality of Physical Downlink Shared Channel transmission occasions; and

the plurality of downlink transmissions is a plurality of repetitions of a same data transmission;

receiving an indication of a starting symbol and a length of a first transmission occasion of the plurality of transmission occasions in a time domain resource allocation (TDRA) field in a downlink control information (DCI) that schedules the plurality of PDSCH transmission occasions, wherein the starting symbol and the length comprise a single starting symbol and a single length that are contained in a row indexed by the TDRA field in a TDRA table;

receiving an indication of a particular offset value that is to be applied for determining a starting symbol of a second transmission occasion of the plurality of transmission occasions wherein:

the indication of the particular offset value is signaled in a separate message from the indication of the starting symbol and the length of the first transmission occasion; and

the second transmission occasion has a same length as the first transmission occasion; and

determining the starting symbol of the second transmission occasion based on the starting symbol of the first transmission occasion, the length of the first transmission occasion, and the particular offset value.

2. The method of claim 1 wherein determining the starting symbol of the second transmission occasion comprises determining the starting symbol of the second transmission occasion is S+L+K, where S is the starting symbol of the first transmission occasion, L is the length of the first transmission occasion, and K is the particular offset value.

3. The method of claim 1 wherein receiving the indication of the plurality of transmission occasions comprises receiving the indication of the plurality of transmission occasions via a TCI field in the DCI, the TCI field indicating more than one TCI state and thus more than one transmission occasion.

4. The method of claim 1 wherein:

the plurality of transmission occasions are in a same slot.

5. The method of claim 1 , wherein the indication of the particular offset value is signaled via Radio Resource Control (RRC) signaling.

6. The method of claim 1 , further comprising:

transmitting, by the wireless communication device to a network node prior to receiving the indication of the plurality of transmission occasions and the indication of the starting symbol and the length of the first transmission occasion, a minimum offset value between the end of the first transmission occasion and the start of the second transmission occasion of the plurality of downlink transmissions that the wireless communication device is capable of receiving.

7. The method of claim 1 , wherein:

the TDRA table comprises a plurality of rows or sets of time domain resource allocation parameters; and

each row or set comprises a starting symbol and a length for a transmission occasion.

8. A wireless communication device comprising:

one or more transmitters;

one or more receivers; and

processing circuitry associated with the one or more transmitters and the one or more receivers, the processing circuitry configured to cause the wireless communication device to:

receive an indication of a plurality of transmission occasions for a respective plurality of downlink transmissions to the wireless communication device, wherein:

at least two of the plurality of downlink transmissions are associated to different transmission configuration indication states;

the plurality of transmission occasions is a plurality of Physical Downlink Shared Channel transmission occasions; and

the plurality of downlink transmissions is a plurality of repetitions of a same data transmission;

receive an indication of a starting symbol and a length of a first transmission occasion of the plurality of transmission occasions in a time domain resource allocation (TDRA) field in a downlink control information (DCI) that schedules the plurality of PDSCH transmission occasions, wherein the starting symbol and the length are contained in a single row indexed by the TDRA field in a single TDRA table;

receive an indication of a particular offset value that is to be applied for determining a starting symbol of a second transmission occasion of the plurality of transmission occasions, wherein:

the indication of the particular offset value is signaled in a separate message from the indication of the starting symbol and the length of the first transmission occasion; and

the second transmission occasion has a same length as the first transmission occasion; and

determine a starting symbol of the second transmission occasion based on the starting symbol of the first transmission occasion, the length of the first transmission occasion, and the particular offset value.

9. The wireless communication device of claim 8 wherein determining the starting symbol of the second transmission occasion comprises determining the starting symbol of the second transmission occasion is S+L+K, where S is the starting symbol of the first transmission occasion, L is the length of the first transmission occasion, and K is the particular offset value.

10. The wireless communication device of claim 8 wherein receiving the indication of the plurality of transmission occasions comprises receiving the indication of the plurality of transmission occasions via a Transmission Configuration Indication (DCI) field in the DCI, the TCI field indicating more than one TCI state and thus more than one transmission occasion.

11. The wireless communication device of claim 8 wherein:

the plurality of transmission occasions are in a same slot.

12. The wireless communication device of claim 8 , wherein the indication of the particular offset value is signaled via Radio Resource Control (RRC) signaling.

13. The wireless communication device of claim 8 , wherein the processing circuitry is further configured to cause the wireless communication device to transmit, to a network node prior to receiving the indications, a minimum offset value between the end of the first transmission occasion and the start of the second transmission occasion of the plurality of downlink transmissions that the wireless communication device is capable of receiving.

14. The wireless communication device of claim 8 , wherein:

the TDRA table comprises a plurality of rows or sets of time domain resource allocation parameters; and

each row or set comprises a starting symbol and a length for a transmission occasion.

15. A method performed by a wireless communication device, the method comprising:

receiving a Downlink Control Information (DCI) that schedules a plurality of transmission occasions for a respective plurality of downlink transmissions to the wireless communication device in a single slot, wherein:

the DCI comprises:

information that indicates that at least two of the plurality of downlink transmissions are associated to different transmission configuration indication states; and

information that indicates a starting symbol and a length of a first transmission occasion of the plurality of transmission occasions;

the plurality of transmission occasions is a plurality of Physical Downlink Shared Channel transmission occasions; and

the plurality of downlink transmissions is a plurality of repetitions of a same data transmission, wherein the plurality of repetitions have a same length; and

determining a starting symbol of a second transmission occasion of the plurality of transmission occasions based on the starting symbol of the first transmission occasion, the length of the first transmission occasion, and a particular offset value, wherein the particular offset value is:

a value indicated to the wireless communication device in a separate message from the DCI if the wireless communication device has received an indication of the particular offset value; and

a predefined value if the wireless communication device has not received an indication of the particular offset value.

16. The method of claim 15 wherein the separate message is signaled via Radio Resource Control (RRC) signaling.

17. The method of claim 15 , further comprising transmitting, to a network node prior to receiving the DCI, a minimum offset value between the end of the first transmission occasion and the start of the second transmission occasion of the plurality of downlink transmissions that the wireless communication device is capable of receiving.

18. The method of claim 15 , wherein the predefined value is a value of zero (0).

19. A wireless communication device comprising:

one or more transmitters;

one or more receivers; and

processing circuitry associated with the one or more transmitters and the one or more receivers, the processing circuitry configured to cause the wireless communication device to:

receive a Downlink Control Information (DCI) that schedules a plurality of transmission occasions for a respective plurality of downlink transmissions to the wireless communication device in a single slot, wherein:

the DCI comprises:

information that indicates that at least two of the plurality of downlink transmissions are associated to different transmission configuration indication states; and

information that indicates a starting symbol and a length of a first transmission occasion of the plurality of transmission occasions;

the plurality of transmission occasions is a plurality of Physical Downlink Shared Channel (PDSCH) transmission occasions; and

the plurality of downlink transmissions is a plurality of repetitions of a same data transmission, wherein the plurality of repetitions have a same length; and

determine a starting symbol of a second transmission occasion of the plurality of transmission occasions based on the starting symbol of the first transmission occasion, the length of the first transmission occasion, and a particular offset value, wherein the particular offset value is:

a value indicated to the wireless communication device in a separate message from the DCI if the wireless communication device has received an indication of the particular offset value; and

a predefined value if the wireless communication device has not received an indication of the particular offset value.

20. The wireless communication device of claim 19 , wherein the separate message is signaled via Radio Resource Control (RRC) signaling.

21. The wireless communication device of claim 19 , wherein the processing circuitry is further configured to cause the wireless communication device to transmit, to a network node prior to receiving the DCI, a minimum offset value between the end of the first transmission occasion and the start of the second transmission occasion of the plurality of downlink transmissions that the wireless communication device is capable of receiving.

22. The wireless communication device of claim 19 , wherein the predefined value is a value of zero (0).

23. A method performed by a wireless communication device, the method comprising:

receiving an indication of a plurality of transmission occasions for a respective plurality of downlink transmissions to the wireless communication device, wherein:

at least two of the plurality of downlink transmissions are associated to different transmission configuration indication (TCI) states;

the plurality of transmission occasions is a plurality of Physical Downlink Shared Channel (PDSCH) transmission occasions; and

the plurality of downlink transmissions is a plurality of repetitions of a same data transmission;

receiving an indication of a starting symbol and a length of a first transmission occasion of the plurality of transmission occasions in a time domain resource allocation (TDRA) field in a downlink control information (DCI) that schedules the plurality of PDSCH transmission occasions, wherein the starting symbol and the length comprise a single starting symbol and a single length that are contained in a row indexed by the TDRA field in a TDRA table;

determining that an indication of a particular offset value that is to be applied for determining a starting symbol of a second transmission occasion of the plurality of transmission occasions is not signaled; and

responsive to determining that the indication of the particular offset value is not signaled, determining the starting symbol of the second transmission occasion based on the starting symbol of the first transmission occasion, the length of the first transmission occasion, and an offset value of zero (0).

24. A wireless communication device comprising:

one or more transmitters;

one or more receivers; and

processing circuitry associated with the one or more transmitters and the one or more receivers, the processing circuitry configured to cause the wireless communication device to:

receive an indication of a plurality of transmission occasions for a respective plurality of downlink transmissions to the wireless communication device, wherein:

at least two of the plurality of downlink transmissions are associated to different transmission configuration indication states;

the plurality of transmission occasions is a plurality of Physical Downlink Shared Channel (PDSCH) transmission occasions; and

the plurality of downlink transmissions is a plurality of repetitions of a same data transmission;

receive an indication of a starting symbol and a length of a first transmission occasion of the plurality of transmission occasions in a time domain resource allocation (TDRA) field in a downlink control information (DCI) that schedules the plurality of PDSCH transmission occasions, wherein the starting symbol and the length are contained in a single row indexed by the TDRA field in a single TDRA table;

determine that an indication of a particular offset value that is to be applied for determining a starting symbol of a second transmission occasion of the plurality of transmission occasions is not signaled; and

responsive to determining that the indication of the particular offset value is not signaled, determine the starting symbol of the second transmission occasion based on the starting symbol of the first transmission occasion, the length of the first transmission occasion, and an offset value of zero (0).