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Google patents faster delivery of small data to phones in standby mode

This filing describes a method for cell towers to handle small amounts of data sent to phones that are in a low-power standby state. It allows the tower's data-handling part to recognize specific small data packets and signal the control part to process them efficiently without fully waking up the phone's connection.

Why it mattersThis improves how mobile networks manage background updates and notifications, potentially saving battery life by avoiding unnecessary full connection setups for tiny data transfers.

In the filing’s own words

A central unit (CU) of a distributed base station including the CU and a distributed unit (DU) receives ( 404), at a user plane (UP) entity of the CU (CU-UP) from a control plane (CP) entity of the CU (CU-CP), a request to modify a bearer context for a user equipment (UE), the request including information related to mobile-terminated small data transmission (MT-SDT); receives ( 410), at the CU-UP and in an inactive state of a radio connection between the UE and a radio access network (RAN), downlink (DL) data for the UE; and transmits ( 412), from the CU-UP to the CU-CP, an indication of the DL data, the indication including an MT-SDT indication, based on the information related to the MT-SDT received from the CU-CP.

What exactly they claim (claim 1)

1. A method implemented in a central unit (CU) of a distributed base station including the CU and a distributed unit (DU), the method comprising: receiving, at a user plane (UP) entity of the CU (CU-UP) from a control plane (CP) entity of the CU (CU-CP), a request to modify a bearer context for a user equipment (UE), the request including information related to mobile-terminated small data transmission (MT-SDT); receiving, at the CU-UP and in an inactive state of a radio connection between the UE and a radio access network (RAN), downlink (DL) data for the UE; and transmitting, from the CU-UP to the CU-CP, an indication of the DL data, the indication including an MT-SDT indication, based on the information related to the MT-SDT received from the CU-CP.

Facts

Company
Google (GOOGLE LLC)
Official title
MANAGING NETWORK-INITIATED SMALL DATA TRANSMISSION
Publication number
US20260282152A1
Application number
19471341
Filed
Mar 31, 2024
Published
Sep 17, 2026
Inventors
1
Claims
15

Classified under

H04W 76/20 Electricity & electronicsH04W 28/0252 Electricity & electronicsH04W 88/085 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.