Method and device for cancelling uplink transmission in wireless communication system

PL4329253T3Active Publication Date: 2026-06-29WILUS INSTITUTE OF STANDARDS & TECHNOLOGY INC
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Patent Information

Authority / Receiving Office
PL · PL
Patent Type
Patents
Current Assignee / Owner
WILUS INSTITUTE OF STANDARDS & TECHNOLOGY INC
Filing Date
2020-10-07
Publication Date
2026-06-29

AI Technical Summary

Technical Problem

In wireless communication systems, particularly in 5G networks, there is a need for efficient cancellation of uplink transmission resources to prevent unnecessary energy consumption and interference, which existing technologies do not adequately address.

Method used

A user equipment (UE) is configured to receive configuration information for a physical downlink control channel (PDCCH) and downlink control information (DCI), where the DCI indicates time-frequency resources for cancelling uplink transmission, with the subcarrier spacing determined by the downlink bandwidth part of the cell, allowing for cancellation of specific resources including symbols for physical broadcast channels and synchronization signals, and the UE determines the number of symbols based on monitoring periodicity or predetermined values.

Benefits of technology

The UE effectively cancels uplink transmission as indicated, reducing energy consumption and preventing interference with other user equipment and the base station, thereby optimizing resource allocation and system performance.

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Abstract

Disclosed is a method in which a user equipment receives downlink control information in a wireless communication system. The user equipment may receive configuration information for reception of a physical downlink control channel (PDCCH) from a base station, and may receive a PDCCH including downlink control information (DCI) on the basis of the configuration information.
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