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Samsung patents 5G method for adjusting network priority based on service type

This patent describes a method for 5G or 6G devices to adjust how they choose which cell to connect to. When a device finds a cell that meets basic connection criteria but does not support the specific service group it needs, the device checks if the cell supports any other service groups. If it does not, the device lowers the priority of that frequency band to avoid connecting to a network that cannot handle its current task.

Why it mattersThis improves how mobile devices manage their connections by ensuring they prioritize networks that can actually support the specific service they are using, such as high-speed data or low-latency connections.

In the filing’s own words

The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting higher data rates. A method performed by a terminal performing a slice-based cell reselection in a wireless communication system is provided. The method includes obtaining information on a network slice access stratum group (NSAG) from a non-access stratum (NAS), in case that a cell in a frequency fulfils cell reselection criteria and does not support the NSAG, identifying whether the cell supports at least one NSAG other than the NSAG, and rederiving a reselection priority for the frequency based on a result of the identification.

What exactly they claim (claim 1)

1. A method performed by a terminal for performing a slice-based cell reselection in a wireless communication system, the method comprising: deriving at least one reselection priority for the slice-based cell reselection based on information on a network slice access stratum group (NSAG) obtained from a non access stratum (NAS); in case that a cell in a frequency fulfils cell reselection criteria and does not support the NSAG, identifying whether the cell supports at least one NSAG other than the NSAG; and in case that the cell does not support any NSAG other than the NSAG, rederiving a reselection priority for the frequency as if none of at least one NSAG provided by the NAS is supported.

Facts

Company
Samsung (Samsung Electronics Co., Ltd.)
Official title
Method and apparatus for re-deriving cell reselection priority in slice-based cell reselection in next-generation mobile communication system
Patent number
US12750748B2
Application number
18350370
Filed
Jul 11, 2023
Granted
Sep 29, 2026
Inventors
1
Claims
16

Classified under

H04W 36/13 Electricity & electronicsH04W 36/24 Electricity & electronicsH04W 36/36 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.