Samsung patents Wi-Fi method to keep connections stable during router switches
This filing describes a way for Wi-Fi routers to prepare a new connection before a device moves from one router to another. It involves sending specific signals to confirm that a new link is ready and that a previously inactive part of the router is now available for data transfer.
In the filing’s own words
Methods and apparatuses for link level feature handling procedures for seamless roaming. A method performed by a current access point (AP) multi-link device (MLD) comprises receiving, from a non-AP MLD via a preparation request frame, information indicating a link to be setup with a target AP MLD during a roam procedure for the non-AP MLD to roam from the current AP MLD to the target AP MLD. The method includes receiving, from the target AP MLD via a response frame, information indicating that the link has been setup and that an AP of the target AP MLD that was unavailable during a periodic unavailability operation (PUO) mode of operation can become available; and transmitting, to the non-AP MLD via a preparation response frame, information indicating that the link has been setup and that the AP of the target AP MLD can become available for frame exchanges with the non-AP MLD.
What exactly they claim (claim 1)
1. A method performed by a current access point (AP) multi-link device (MLD), the method comprising: receiving, from a non-AP MLD via a preparation request frame, information indicating a link to be setup with a target AP MLD during a roam procedure for the non-AP MLD to roam from the current AP MLD to the target AP MLD; receiving, from the target AP MLD via a response frame, information indicating that the link has been setup and that an AP of the target AP MLD that was unavailable during a periodic unavailability operation (PUO) mode of operation can become available; and transmitting, to the non-AP MLD via a preparation response frame, information indicating that the link has been setup and that the AP of the target AP MLD can become available for frame exchanges with the non-AP MLD.
Facts
- Company
- Samsung (Samsung Electronics Co., Ltd.)
- Official title
- LINK LEVEL FEATURE HANDLING FOR SEAMLESS ROAMING
- Publication number
- US20260292635A1
- Application number
- 19466170
- Filed
- Jan 30, 2026
- Published
- Sep 24, 2026
- Inventors
- 6
- Claims
- 20
Classified under
H04W 36/18 Electricity & electronicsH04W 36/0011 Electricity & electronicsH04W 84/12 Electricity & electronicsMore from Samsung in Networks & wireless
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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.