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SamsungPatent applicationCars & transportInterest 3/10

Samsung patents backup channel for car-to-car radio checks

Samsung describes a method for vehicles to send confirmation signals when communicating directly with each other without using a cellular network. If the primary channel is busy or blocked, the system automatically switches to a backup channel to ensure the message gets through.

Why it mattersThis improves the reliability of direct vehicle communication, which is a key part of future self-driving and traffic safety systems.

In the filing’s own words

According to an embodiment of the present disclosure, a system and a method may include receiving, by a first user equipment (UE), configuration information for physical sidelink feedback channel (PSFCH) resources; performing, by the first UE in response to the receiving, a first listen-before-talk (LBT) sensing for a first PSFCH resource of the PSFCH resources; and determining that the first LBT sensing failed and in response, transmitting a signal over a second PSFCH resource of the PSFCH resources

What exactly they claim (claim 1)

1 - 20. (canceled)

Facts

Company
Samsung (Samsung Electronics Co., Ltd.)
Official title
SYSTEMS AND METHODS FOR PERFORMING HARQ FEEDBACK FOR UNLICENSED SIDELINK COMMUNICATIONS
Publication number
US20260270023A1
Application number
19658283
Filed
Apr 24, 2026
Published
Sep 10, 2026
Inventors
3
Claims
21

Classified under

H04L 5/0055 Electricity & electronicsH04L 1/1812 Electricity & electronicsH04W 74/0808 Electricity & electronicsH04W 92/18 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.