/Patent Tracker
ApplePatent applicationNetworks & wirelessInterest 3/10

Apple patents method to resend specific data chunks in wireless links

Patent drawing
Patent drawing from the official filing.

Apple describes a way for a device to check a group of data packets sent over a wireless connection. If a specific condition is met, the system identifies which individual packets need to be sent again and triggers that retransmission.

Why it mattersThis is a routine improvement to how data is reliably delivered over wireless networks, ensuring that small errors in transmission are corrected without resending the entire file.

In the filing’s own words

Provided is a method for a first communication device. The method includes obtaining a first protocol data unit (PDU) set comprising multiple Radio Link Control (RLC) PDUs for transmission to a second communication device; in response to a determination that a first criterion is met for the first PDU set, identifying, from the first PDU set, at least one PDU for retransmission; and triggering an RLC retransmission for the at least one PDU to the second communication device.

What exactly they claim (claim 1)

1.- 20. (canceled)

Facts

Company
Apple (Apple Inc.)
Official title
PDU SET BASED RLC RETRANSMISSION
Publication number
US20260332305A1
Application number
19102339
Filed
Aug 8, 2022
Published
Oct 22, 2026
Inventors
4
Claims
21

Classified under

H04L 1/08 Electricity & electronics
Read the full filing (official PDF) ↗ Open in the Patent Tracker

More from Apple in Networks & wireless

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.