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SamsungGranted patentChips & hardwareInterest 4/10

Samsung patents antenna switch system to share radio bands between chips

This patent describes a hardware setup that lets two different communication chips share a single antenna when they use overlapping radio frequencies. It uses a series of switches to route the signal to the correct chip, preventing interference when both systems try to use the same frequency band at the same time.

Why it mattersThis helps engineers design slimmer devices by allowing multiple wireless functions to coexist without needing separate antennas for every frequency band.

In the filing’s own words

Various embodiments relate to an apparatus and a method for managing coexistence of multiple communication schemes by an electronic device. The electronic device may include: a first communication circuit configured to support a first frequency band; a second communication circuit configured to support at least a part of the first frequency band and a second frequency band; a first switch connected to the first communication circuit; a second switch connected to the second communication circuit and the first switch; a first antenna connected to the first switch and configured to support the first frequency band; and a second antenna connected to the second switch and configured to support the second frequency band, wherein based on the second communication circuit using the first frequency band, the second communication circuit is configured to control the first switch and the second switch to selectively connect the first antenna to one of the first communication circuit or the second communication circuit.

What exactly they claim (claim 1)

1. An electronic device comprising: a first communication circuit configured to support a first frequency band; a second communication circuit configured to support at least a part of the first frequency band and a second frequency band different from the first frequency band; a first switch; a second switch; a first antenna electrically connected to the first switch and configured to support the first frequency band; and a second antenna electrically connected to the second switch and configured to support the second frequency band, wherein the first communication circuit is configured to select at least one of the first communication circuit or the second communication circuit, as a communication circuit, based on use of at least the part of the first frequency band by the second communication circuit, wherein the second communication circuit is configured to be connected to the first antenna via at least the first switch and the second switch connected in series based on the selection of the second communication circuit by the first communication circuit.

Facts

Company
Samsung (SAMSUNG ELECTRONICS CO., LTD.)
Official title
Electronic device for managing coexistence of multiple communication schemes and operating method thereof
Patent number
US12739869B2
Application number
18668364
Filed
May 20, 2024
Granted
Sep 15, 2026
Inventors
2
Claims
20

Classified under

H04W 72/56 Electricity & electronicsH04W 72/0453 Electricity & electronicsH04W 76/15 Electricity & electronicsH04W 88/06 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.