IP Library Granted Patent US 12,432,749
Granted Patent B2
US 12,432,749 · App. 17/598,158 · Granted Sep 30, 2025

Method for processing delay for PDCCH repetitions

Inventors: Yushu Zhang (Cupertino, CA); Chunxuan Ye (Beijing, CN); Dawei Zhang (Cupertino, CA); Haitong Sun (Cupertino, CA); Hong He (Cupertino, CA); Huaning Niu (Cupertino, CA); Sigen Ye (Cupertino, CA); Wei Zeng (Cupertino, CA); Weidong Yang (Cupertino, CA)
Assignee: Apple Inc.
H04W72/231H04L5/0053H04W72/1273H04W72/51H04W72/566
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Quick Facts
Patent No.
US 12,432,749
App. No.
17/598,158
Granted
Sep 30, 2025
Kind
B2
Abstract

Disclosed are methods and apparatus to process delay for PDCCH repetition. A transmission of a physical downlink control channel (PDCCH) repetition may be monitored. A multiplexing pattern of the PDCCH repetition and a physical downlink shared channel (PDSCH) within an overlapping symbol may be determined. A processing delay for a decoding of the PDCCH repetition, a decoding of the scheduled PDSCH, and an acknowledgement (ACK) preparation based on the multiplexing pattern of the PDCCH repetition and the PDSCH within the overlapping symbol may be determined. The PDSCH may be monitored after receiving the PDCCH repetition.

Claims (62)

1. A baseband processor of a user equipment (UE) configured to perform operations comprising:

monitoring a transmission of a physical downlink control channel (PDCCH) repetition;

determining a multiplexing pattern of the PDCCH repetition and a physical downlink shared channel (PDSCH) within an overlapping symbol;

determining a processing delay for a decoding of the PDCCH repetition, a decoding of a scheduled PDSCH, and an acknowledgement (ACK) preparation based on the multiplexing pattern of the PDCCH repetition and the PDSCH within the overlapping symbol, the determining of the processing delay comprising:

selecting the PDCCH repetition that starts later in time compared to other PDCCH repetitions in a group of PDCCH repetitions; and

determining a number of symbols associated with the one PDCCH repetition that overlaps with the PDSCH; and

monitoring the PDSCH after receiving the PDCCH repetition.

2. The baseband processor of claim 1 , wherein the multiplexing pattern of the PDCCH repetition and the PDSCH within the overlapping symbol includes one PDCCH repetition and the PDSCH.

3. The baseband processor of claim 2 , wherein the operations of determining the processing delay based on the multiplexing pattern further comprise:

selecting the PDCCH repetition that starts earlier in time compared to other PDCCH repetitions in a group of PDCCH repetitions; and

determining a number of symbols associated with the one PDCCH repetition that overlaps with the PDSCH.

4. The baseband processor of claim 2 , wherein the operations of determining the processing delay based on the multiplexing pattern further comprise:

selecting the PDCCH repetition that ends later in time compared to other PDCCH repetitions in a group of PDCCH repetitions; and

determining a number of symbols associated with the one PDCCH repetition that overlaps with the PDSCH.

5. The baseband processor of claim 2 , wherein the operations of determining the processing delay based on the multiplexing pattern further comprise:

selecting the PDCCH repetition that ends earlier in time compared to other PDCCH repetitions in a group of PDCCH repetitions; and

determining a number of symbols associated with the one PDCCH repetition that overlaps with the PDSCH.

6. The baseband processor of claim 1 , wherein the multiplexing pattern of the PDCCH repetition and the PDSCH within the overlapping symbol includes two PDCCH repetitions and the PDSCH.

7. The baseband processor of claim 6 , wherein the operations of determining the processing delay based on the multiplexing pattern further comprise:

determining a number of symbols associated with the two PDCCH repetitions that overlap with the PDSCH as one symbol.

8. The baseband processor of claim 6 , wherein the operations of determining the processing delay based on the multiplexing pattern further comprise:

determining a number of symbols associated with the two PDCCH repetitions that overlap with the PDSCH as two symbols.

9. A baseband processor of a user equipment (UE) configured to perform operations comprising:

monitoring a transmission of a physical downlink control channel (PDCCH) repetition;

determining a multiplexing pattern of the PDCCH repetition and a physical downlink shared channel (PDSCH) within an overlapping symbol;

determining a processing delay for a decoding of the PDCCH repetition, a decoding of a scheduled PDSCH, and an acknowledgement (ACK) preparation based on the multiplexing pattern of the PDCCH repetition and the PDSCH within the overlapping symbol, wherein determining the processing delay is based on control resource set (CORESET) symbols when a number of symbols for the PDSCH is smaller than a number of symbols for the CORESET associated with a linked search space (SS), and the CORESET symbols include two PDCCH repetitions; and

monitoring the PDSCH after receiving the PDCCH repetition.

10. The baseband processor of claim 9 , wherein the operations of determining the processing delay based on the multiplexing pattern further comprise:

determining a number of symbols associated with the two PDCCH repetitions as one symbol.

11. The baseband processor of claim 9 , wherein the operations of determining the processing delay based on the multiplexing pattern further comprise:

determining a number of symbols associated with the two PDCCH repetitions as two symbols.

12. A baseband processor of a user equipment (UE) configured to perform operations comprising:

monitoring a transmission of a physical downlink control channel (PDCCH) repetition;

determining a multiplexing pattern of the PDCCH repetition and a physical downlink shared channel (PDSCH) within an overlapping symbol;

determining a processing delay for a decoding of the PDCCH repetition, a decoding of a scheduled PDSCH, and an acknowledgement (ACK) preparation based on the multiplexing pattern of the PDCCH repetition and the PDSCH within the overlapping symbol, wherein determining the processing delay is based on CORESET symbols when a number of symbols for the PDSCH is smaller than a number of symbols for the CORESET associated with a linked SS, and wherein the CORESET symbols include one PDCCH repetition; and

monitoring the PDSCH after receiving the PDCCH repetition.

13. The baseband processor of claim 1 , wherein the operations of determining the processing delay based on the multiplexing pattern further comprise:

monitoring a second SS if a first SS of a linked SS is dropped.

14. The baseband processor of claim 13 , wherein the UE is configured to monitor the second SS via radio resource control (RRC) signaling.

15. The baseband processor of claim 13 , wherein the operations of monitoring the second SS if the first SS of the linked SS is dropped further comprise:

decoding downlink control information (DCI) in the second SS is based on a single transmission/reception point (TRP) operation.

16. The baseband processor of claim 13 , wherein the operations of monitoring the second SS if the first SS of the linked SS is dropped further comprise:

decoding DCI in the second SS is based on a multi-TRP operation.

17. The baseband processor of claim 13 , wherein the operations of monitoring the second SS if the first SS of the linked SS is dropped further comprise:

reporting a UE capability to indicate a DCI is decoded based on a single TRP operation or a multi-TRP operation.

18. The baseband processor of claim 17 , wherein the operations of monitoring the second SS if the first SS of the linked SS is dropped further comprise:

determining that one PDCCH candidate of an independent SS shares a same configuration as a first PDCCH candidate for the PDCCH repetition; and

determining that the one PDCCH candidate belongs to the independent SS or the linked SS.

19. A baseband processor of a user equipment (UE) configured to perform operations comprising:

monitoring a transmission of a physical downlink control channel (PDCCH) repetition;

determining a multiplexing pattern of the PDCCH repetition and a physical downlink shared channel (PDSCH) within an overlapping symbol;

determining a processing delay for a decoding of the PDCCH repetition, a decoding of a scheduled PDSCH, and an acknowledgement (ACK) preparation based on the multiplexing pattern of the PDCCH repetition and the PDSCH within the overlapping symbol, wherein determining the processing delay comprises determining an additional delay associated with processing PDCCH repetition, wherein the additional delay is reported by a UE capability; and

monitoring the PDSCH after receiving the PDCCH repetition.

20. A user equipment (UE) device comprising:

at least one antenna; at least one radio, wherein the at least one radio is configured to communicate with a second UE device of a communication network using the at least one antenna; and

at least one processor coupled to the at least one radio, wherein the at least one processor is configured to perform operations comprising:

monitoring a transmission of a physical downlink control channel (PDCCH) repetition;

determining a multiplexing pattern of the PDCCH repetition and a physical downlink shared channel (PDSCH) within an overlapping symbol;

determining a processing delay for a decoding of the PDCCH repetition, a decoding of a scheduled PDSCH, and an acknowledgement (ACK) preparation based on the multiplexing pattern of the PDCCH repetition and the PDSCH within the overlapping symbol, the determining of the processing delay comprising:

selecting the PDCCH repetition that starts later in time compared to other PDCCH repetitions in a group of PDCCH repetitions; and

determining a number of symbols associated with the one PDCCH repetition that overlaps with the PDSCH; and

monitoring the PDSCH after receiving the PDCCH repetition.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 17, 2024
From: ZHANG, YUSHU; YE, SIGEN; HE, HONG; NIU, HUANING; YANG, WEIDONG; ZENG, WEI; YE, CHUNXUAN; ZHANG, DAWEI; SUN, HAITONG
To: APPLE INC.
Reel/Frame 067451/0944 →
Continuity (1)
Related Publication 20240430904A1 · Dec 26, 2024
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