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Sony patents method to reduce wireless signal interference using relay devices

Sony describes a method where a network node sends signals to multiple devices while adjusting the strength of each transmission. It uses a relay device to help one device receive a signal without interfering with another device's connection. The system calculates the best signal strength for all paths at once to minimize noise.

Why it mattersThis technique could help improve data reliability in crowded wireless networks by better managing how signals overlap.

In the filing’s own words

Disclosed is a method, performed by a network node, for enabling mitigation of interference at a first wireless device. The interference is caused by a first signal intended for a second wireless device served by the network node. The method comprises transmitting the first signal, to the first wireless device, using a first gain associated with a first channel between the network node and the first wireless device. The method comprises transmitting the first signal, to the first wireless device, via a coverage enhancing device, CED, using a third gain associated with a third channel between the network node and the first wireless device via the CED. The method comprises transmitting to the second wireless device, using a second gain associated with a second channel between the network node and the second wireless device. The first gain, the second gain, and the third gain are jointly determined.

What exactly they claim (claim 1)

1. A method, performed by a network node, for enabling mitigation of interference at a first wireless device caused by a first signal intended for a second wireless device served by the network node, the method comprising: transmitting the first signal, to the first wireless device, using a first gain associated with a first channel between the network node and the first wireless device, and via a coverage enhancing device (CED) using a third gain associated with a third channel between the network node and the first wireless device via the CED, and to the second wireless device, using a second gain associated with a second channel between the network node and the second wireless device; wherein the first gain, the second gain, and the third gain are jointly determined.

Facts

Company
Sony (Sony Group Corporation)
Official title
A METHOD FOR ENABLING MITIGATION OF INTERFERENCE AT A WIRELESS DEVICE, A RELATED NETWORK NODE, AND A RELATED WIRELESS DEVICE
Publication number
US20260269955A1
Application number
19165362
Filed
Mar 18, 2024
Published
Sep 10, 2026
Inventors
4
Claims
20

Classified under

H04B 15/00 Electricity & electronicsH04W 52/243 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.