USER DEVICE PROCESSING TIME FOR PDSCH REPEAT IN THE SAME SLOT

DE602021031108T2Active Publication Date: 2025-05-21QUALCOMM INC
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Patent Information

Application Number
DE602021031108
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2021-02-18
Filing Date
2021-02-19
Publication Date
2025-05-21
Estimated Expiration
2041-02-19

AI Technical Summary

Technical Problem

Current wireless communication systems face challenges in determining the overall processing time for user equipment (UE) when receiving a physical downlink shared channel (PDSCH) with multiple transmission occasions within the same slot, which affects the scheduling of hybrid automatic repeat request acknowledgement (HARQ-ACK) in wireless communication networks.

Method used

The system determines the overall processing time by calculating a first portion based on UE processing capability and subcarrier spacing, and a second portion based on the length and overlap of transmission occasions, allowing for accurate scheduling of HARQ-ACK after the last symbol of the PDSCH, even with repetition of PDSCH within a single slot.

Benefits of technology

This approach enables efficient scheduling of HARQ-ACK, ensuring timely transmission and improving the reliability and efficiency of wireless communication systems by accounting for multiple transmission occasions within a single slot.

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Abstract

In some implementations, a method of wireless communication includes receiving, at a user equipment (UE) from a base station, a downlink control information (DCI) scheduling a physical downlink shared channel (PDSCH). The PDSCH includes a first transmission occasion and a second transmission occasion following the first transmission occasion during a single slot. The method further includes determining, at the UE, an overall processing time following a last symbol of the PDSCH.
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