Sony patents method to reduce wireless interference using random timing
Sony describes a system for wireless devices that share the same communication channel. It uses a technique called non-orthogonal multiple access to layer signals on top of each other. To prevent these layers from clashing, the device picks a random spot in time or frequency to send its data.
In the filing’s own words
Interference is suppressed in a wireless control device that performs multiplexing by a NOMA system. A wireless communication system includes a first communication terminal and a second communication terminal. The first communication terminal transmits a predetermined signal subjected to non-orthogonal multiple access (NOMA). The second communication terminal includes a control unit that determines a transmission position in at least one of a frequency domain or a time domain of a NOMA signal multiplexed to the signal subjected to NOMA by a NOMA system on the basis of a random value.
What exactly they claim (claim 1)
1. A wireless control device comprising: a control unit that determines a transmission position in at least one of a frequency domain or a time domain of a NOMA signal multiplexed to a signal subjected to NOMA by a non-orthogonal multiple access (NOMA) system on a basis of a random value.
Facts
- Company
- Sony (SONY GROUP CORPORATION)
- Official title
- WIRELESS CONTROL DEVICE, COMMUNICATION SYSTEM, PROGRAM, AND METHOD FOR CONTROLLING WIRELESS CONTROL DEVICE
- Publication number
- US20260281981A1
- Application number
- 18877912
- Filed
- Apr 27, 2023
- Published
- Sep 17, 2026
- Inventors
- 2
- Claims
- 17
Classified under
H04W 72/0446 Electricity & electronicsH04W 72/0453 Electricity & electronicsH04L 5/0005 Electricity & electronicsMore from Sony 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.