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Apple patents method for timing uplink data sends in multi-cell wireless networks

Patent drawing
Patent drawing from the official filing.

This filing describes a way for a phone to calculate the minimum time needed to prepare data for sending when a network signal instructs it to transmit on multiple frequency bands at once. It outlines how the device checks these timing limits to decide if it can physically send the data as scheduled.

Why it mattersThis is a routine technical improvement for managing data flow in complex 5G networks, ensuring devices do not attempt to send data faster than their hardware allows.

In the filing’s own words

Wireless communications systems using a single downlink control information (DCI) to schedule multiple physical uplink shared channels (PUSCHs) or multiple aperiodic (AP) sounding reference signals (SRSs) (AP-SRSs) on multiple cells at a user equipment (UE) are discussed. In the case of scheduling multiple PUSCHs, a K2 value restriction for each PUSCH may be calculated. In some cases, these are calculated independently, while in others, one or more determined values relative to one of the PUSCHs is used to calculate a K2 value restriction for all the PUSCHs scheduled by the DCI. In the case of scheduling multiple AP-SRSs, a time offset value restriction for each PUSCH may be calculated. In some cases, these are calculated independently, while in others, one or more determined values relative to one of the AP-SRSs is used to calculate a time offset value restriction for all the AP-SRSs scheduled by the DCI.

What exactly they claim (claim 1)

1. A method of a user equipment (UE), comprising: receiving, from a network, in a physical downlink control channel (PDCCH), a downlink control information (DCI) that schedules a plurality of physical uplink shared channels (PUSCHs); determining a plurality of K2 value restrictions corresponding to the plurality of PUSCHs, each K2 value restriction indicating a minimum permitted time between the PDCCH carrying the DCI and a corresponding one of the plurality of PUSCHs; and determining whether to transmit one or more of the plurality of PUSCHs as scheduled by the DCI based on the K2 value restrictions.

Facts

Company
Apple (APPLE INC.)
Official title
SYSTEMS AND METHODS FOR UPLINK PROCESSING TIME DETERMINATIONS FOR SINGLE DOWNLINK CONTROL INFORMATION SCHEDULING MULTIPLE CELLS
Publication number
US20260323637A1
Application number
18998714
Filed
Aug 9, 2022
Published
Oct 15, 2026
Inventors
8
Claims
21

Classified under

H04W 72/1273 Electricity & electronicsH04W 72/232 Electricity & electronics
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.