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Google patents method to manage phone handovers during network changes

Patent drawing
Patent drawing from the official filing.

This filing describes a way for a mobile network to handle a phone switching from one cell tower to another while the network is also changing the phone's settings. It outlines a specific rule where the network cancels the switch if a new instruction arrives before the process is fully ready.

Why it mattersIt improves the reliability of mobile connections by preventing conflicting instructions from causing dropped calls or data interruptions.

In the filing’s own words

A radio access network (RAN) for configuring a user equipment (UE) generates (i) a conditional configuration, and (ii) a condition to be satisfied before the UE applies the conditional configuration ( 1402), receives, from a core network (CN), an interface message indicating to configure the UE ( 1404), determines that the interface message affects the conditional configuration ( 1406), generates a message related to the conditional configuration in view of the received interface message ( 1408), and transmits the message to the UE ( 1410).

What exactly they claim (claim 1)

1. A method in a radio access network (RAN) for configuring a user equipment (UE), the method comprising: initiating, by a first node of the RAN, a preparation procedure for a conditional handover (CHO) procedure with a second node of the RAN by transmitting a Handover Request message, the CHO procedure including a condition that is to be satisfied before the UE applies a conditional configuration; generating, by the RAN, a conditional configuration and the condition to be satisfied before the UE applies the conditional configuration; receiving, at the first node of the RAN and from a core network (CN), an interface message to request to setup, modify, or release radio resources for the UE, the interface message affecting the conditional configuration; and when the receiving of the interface message at the first node occurs subsequent to the transmitting of the Handover Request message and prior to the first node receiving an acknowledgement from the second node during the preparation procedure, determining, by the first node, to not transmit the conditional configuration to the UE.

Facts

Company
Google (GOOGLE LLC)
Official title
MANAGING RADIO RESOURCES AND DOWNLINK TRANSMISSION DURING HANDOVER
Publication number
US20260304251A1
Application number
19704158
Filed
Jun 10, 2026
Published
Oct 1, 2026
Inventors
1
Claims
20

Classified under

H04W 36/0072 Electricity & electronicsH04W 36/362 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.