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Samsung patents method for coordinating 5G handoffs in dual connectivity

Samsung describes a method for managing how a phone switches between two different 5G base stations when using dual connectivity. The primary base station determines which frequencies the secondary station should use and sends this information to coordinate the handoff process.

Why it mattersThis filing improves the efficiency of data transmission in 5G networks by streamlining how devices maintain a connection when moving between different network nodes.

In the filing’s own words

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The present disclosure relates to a method of performing lower Layer (L1/L2 layers) Triggered Mobility (LTM) coordination in dual connectivity is disclosed. The method comprises a master node (MN) determining frequency information to be used by a Secondary Node (SN) for the terminal for LTM and L3 mobility. Further, the method comprises transmitting an inter node message comprising frequency information to the SN. Furthermore, the method comprises receiving at least one of configuration information associated with LTM measurements and LTM candidate cells, configured by SN for the terminal based on the inter node message. Further, the method comprises determining measurement gaps and LTM candidate cell configuration for the terminal. Thereafter, the method comprises transmitting the measurement gaps and LTM candidate cell configuration to the SN and the terminal.

What exactly they claim (claim 1)

1. A method performed by a Master Node (MN) ( 102) for lower Layer (L1/L2 layers) Triggered Mobility (LTM) coordination in dual connectivity, the method comprising: determining associated with a terminal ( 106), frequency information to be used by a Secondary Node (SN) ( 104) for the terminal ( 106) for LTM and L3 mobility; transmitting an inter node message comprising the frequency information, to the SN ( 104); receiving at least one of configuration information associated with LTM measurements and LTM candidate cells, configured by SN ( 104) for the terminal ( 106) based on the inter node message; determining at least one of measurement gaps and LTM candidate cell configuration for the terminal ( 106), based on at least one of the configuration information of the LTM measurement and the LTM candidate cell received from the SN ( 104); and transmitting the at least one of measurement gaps and LTM candidate cell configuration to the SN ( 104) and the terminal ( 106).

Facts

Company
Samsung (Samsung Electronics Co., Ltd.)
Official title
METHOD AND APPARATUS FOR PERFORMING LTM COORDINATION IN DUAL CONNECTIVITY
Publication number
US20260281843A1
Application number
19166686
Filed
Mar 21, 2024
Published
Sep 17, 2026
Inventors
2
Claims
15

Classified under

H04W 36/0085 Electricity & electronicsH04W 36/0069 Electricity & electronics

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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.