Granted Patent B1

US 12,245,269 · App. 18/934,998 · Granted Mar 4, 2025

Inventors: Mahmoud Taherzadeh Boroujeni (San Diego, CA); Oghenekome Oteri (San Diego, CA); Shahrokh Nayeb Nazar (San Diego, CA); Faris Alfarhan (Montreal, CA); Paul Marinier (Brossard, CA); Ghyslain Pelletier (Montreal, CA)

Assignee: InterDigital Patent Holdings, Inc.

H04W72/569H04W72/0446H04W72/0453H04W72/1263H04W72/20H04W72/23H04W72/56

Abstract

Claims (42)

1. A wireless transmit/receive unit (WTRU) comprising a processor configured to:

receive, via radio resource control (RRC) signaling, an indication of a set of reference frequency resources for which uplink cancellation could occur, an indication of at least one priority for which uplink cancellation is applicable, and an allocation for a configured grant, the allocation for the configured grant comprising a frequency allocation for the configured grant, a time allocation for the configured grant, and a priority index for the configured grant;

receive a physical downlink control channel (PDCCH) transmission, the PDCCH comprising downlink control information (DCI), the DCI comprising cancellation indication (CI) information, wherein the CI information indicates that a subset of the set of reference frequency resources is subject to uplink cancellation in one or more time symbols; and

cancel at least part of an uplink transmission associated with the configured grant based on the CI information, the frequency allocation for the configured grant, the time allocation for the configured grant, the priority index for the configured grant, and the indication of the at least one priority for which uplink cancellation is applicable received in the RRC signaling.

2. The WTRU of claim 1 , wherein the processor being configured to cancel at least part of the uplink transmission associated with the configured grant based on the CI information, the frequency allocation for the configured grant, the time allocation for the configured grant, the priority index for the configured grant, and the indication of the at least one priority for which uplink cancellation is applicable received in the RRC signaling comprises the processor being configured to:

cancel at least part of the uplink transmission associated with the configured grant on a condition that the CI information is received, that at least one frequency resource of the subset of the set of reference frequency resources overlaps with the frequency allocation for the configured grant, that at least one time symbol of the one or more time symbols overlaps with the time allocation for the configured grant, and that the priority index for the configured grant is determined to be an applicable priority for cancelation.

3. The WTRU of claim 2 , wherein the processor being configured to cancel at least part of the uplink transmission associated with the configured grant on a condition that the CI information is received, that at least one frequency resource of the subset of the set of reference frequency resources overlaps with the frequency allocation for the configured grant, that at least one time symbol of the one or more time symbols overlaps with the time allocation for the configured grant, and that the priority index for the configured grant is determined to be an applicable priority for cancelation comprises the processor being configured to:

determine a first part of the uplink transmission associated with the configured grant that overlaps with the at least one frequency resource of the subset of the set of reference frequency resources and the at least one time symbol of the one or more time symbols, and a second part of the uplink transmission associated with the configured grant that does not overlap with the at least one frequency resource of the subset of the set of reference frequency resources and the at least one time symbol of the one or more time symbols;

cancel the first part of the uplink transmission associated with the configured grant; and

transmit the second part of the uplink transmission associated with the configured grant.

4. The WTRU of claim 2 , wherein the processor being configured to cancel at least part of the uplink transmission associated with the configured grant on a condition that the CI information is received, that at least one frequency resource of the subset of the set of reference frequency resources overlaps with the frequency allocation for the configured grant, that at least one time symbol of the one or more time symbols overlaps with the time allocation for the configured grant, and that the priority index for the configured grant is determined to be an applicable priority for cancelation comprises the processor being configured to:

cancel the entirety of the uplink transmission associated with the configured grant.

5. The WTRU of claim 2 , wherein the priority index for the configured grant is determined to be an applicable priority for cancelation based on the indication of the at least one priority for which uplink cancellation is applicable received in the RRC signaling and a value of the priority index.

6. The WTRU of claim 5 , wherein the priority index for the configured grant is determined to be an applicable priority for cancelation on a condition that the priority index for the configured grant is lower than or equal to the at least one priority for which uplink cancellation is applicable indicated in the RRC signaling.

7. The WTRU of claim 1 , wherein the at least one priority for which uplink cancellation is applicable indicated in the RRC signaling comprises an applicable maximum priority.

8. The WTRU of claim 1 , wherein the processor is further configured to, on a condition that the priority index for the configured grant indicates a priority higher than the at least one priority for which uplink cancellation is applicable indicated in the RRC signaling, transmit the uplink transmission.

9. The method of claim 1 , wherein the uplink transmission is one of: for transmission on a physical uplink control channel (PUCCH), for transmission on a physical uplink shared channel (PUSCH), an ultra-reliable low latency (URLLC) transmission, or an enhanced massive mobile broadband (eMBB) transmission.

10. The WTRU of claim 1 , wherein the processor is further configured to:

receive a second PDCCH transmission, the second PDCCH comprising second DCI, the second DCI comprising second CI information, wherein the second CI information indicates that a second subset of the set of reference frequency resources are subject to uplink cancellation in one or more second time symbols;

determine that a second uplink transmission associated with the configured grant does not overlap with the second subset of the set of reference frequency resources subject to uplink cancellation in the one or more second time symbols; and

transmit the second uplink transmission associated with the configured grant based on the determination that the second uplink transmission associated with the configured grant does not overlap with the set of reference frequency resources subject to uplink cancellation in the one or more second time symbols.

11. A method implemented in a wireless transmit/receive unit (WTRU), the method comprising:

receiving, via radio resource control (RRC) signaling, an indication of a set of reference frequency resources for which uplink cancellation could occur, an indication of at least one priority for which uplink cancellation is applicable, and an allocation for a configured grant, the allocation for the configured grant comprising a frequency allocation for the configured grant, a time allocation for the configured grant, and a priority index for the configured grant;

receiving a physical downlink control channel (PDCCH) transmission, the PDCCH comprising downlink control information (DCI), the DCI comprising cancellation indication (CI) information, wherein the CI information indicates that a subset of the set of reference frequency resources is subject to uplink cancellation in one or more time symbols; and

cancelling at least part of an uplink transmission associated with the configured grant based on the CI information, the frequency allocation for the configured grant, the time allocation for the configured grant, the priority index for the configured grant, and the indication of the at least one priority for which uplink cancellation is applicable received in the RRC signaling.

12. The method of claim 11 , wherein cancelling at least part of the uplink transmission associated with the configured grant based on the CI information, the frequency allocation for the configured grant, the time allocation for the configured grant, the priority index for the configured grant, and the indication of the at least one priority for which uplink cancellation is applicable received in the RRC signaling comprises:

cancelling at least part of the uplink transmission associated with the configured grant on a condition that the CI information is received, that at least one frequency resource of the subset of the set of reference frequency resources overlaps with the frequency allocation for the configured grant, that at least one time symbol of the one or more time symbols overlaps with the time allocation for the configured grant, and that the priority index for the configured grant is determined to be an applicable priority for cancelation.

13. The method of claim 12 , wherein cancelling at least part of the uplink transmission associated with the configured grant on a condition that the CI information is received, that at least one frequency resource of the subset of the set of reference frequency resources overlaps with the frequency allocation for the configured grant, that at least one time symbol of the one or more time symbols overlaps with the time allocation for the configured grant, and that the priority index for the configured grant is determined to be an applicable priority for cancelation comprises:

determining a first part of the uplink transmission associated with the configured grant that overlaps with the at least one frequency resource of the subset of the set of reference frequency resources and the at least one time symbol of the one or more time symbols, and a second part of the uplink transmission associated with the configured grant that does not overlap with the at least one frequency resource of the subset of the set of reference frequency resources and the at least one time symbol of the one or more time symbols;

cancelling the first part of the uplink transmission associated with the configured grant; and

transmitting the second part of the uplink transmission associated with the configured grant.

14. The method of claim 12 , wherein cancelling at least part of the uplink transmission associated with the configured grant on a condition that the CI information is received, that at least one frequency resource of the subset of the set of reference frequency resources overlaps with the frequency allocation for the configured grant, that at least one time symbol of the one or more time symbols overlaps with the time allocation for the configured grant, and that the priority index for the configured grant is determined to be an applicable priority for cancelation comprises:

cancelling the entirety of the uplink transmission associated with the configured grant.

15. The method of claim 12 , wherein the priority index for the configured grant is determined to be an applicable priority for cancelation based on the indication of the at least one priority for which uplink cancellation is applicable received in the RRC signaling and a value of the priority index.

16. The method of claim 15 , wherein the priority index for the configured grant is determined to be an applicable priority for cancelation on a condition that the priority index for the configured grant is lower than or equal to the at least one priority for which uplink cancellation is applicable indicated in the RRC signaling.

17. The method of claim 11 , wherein the at least one priority for which uplink cancellation is applicable indicated in the RRC signaling comprises an applicable maximum priority.

18. The method of claim 11 , further comprising, on a condition that the priority index for the configured grant indicates a priority higher than the at least one priority for which uplink cancellation is applicable indicated in the RRC signaling, transmitting the uplink transmission associated with the configured grant.

19. The method of claim 11 , wherein the uplink transmission associated with the configured grant is one of: for transmission on a physical uplink control channel (PUCCH), for transmission on a physical uplink shared channel (PUSCH), an ultra-reliable low latency (URLLC) transmission, or an enhanced massive mobile broadband (eMBB) transmission.

20. The method of claim 11 , further comprising:

receiving a second PDCCH transmission, the second PDCCH comprising second DCI, the second DCI comprising second CI information, wherein the second CI information indicates that a second subset of the set of reference frequency resources are subject to uplink cancellation in one or more second time symbols;

determining that a second uplink transmission associated with the configured grant does not overlap with the second subset of the set of reference frequency resources subject to uplink cancellation in the one or more second time symbols; and

transmitting the second uplink transmission associated with the configured grant based on the determination that the second uplink transmission associated with the configured grant does not overlap with the set of reference frequency resources subject to uplink cancellation in the one or more second time symbols.

Continuity (3)

References Cited (42)