" /> Li-fi and wi-fi hybrid networks with dynamic radio frequency and cell configuration — Edinburgh Innovations

Li-fi and wi-fi hybrid frequency and cell configuration

A novel way of using li-fi technology to provide high-speed network connectivity and dynamic network-wide control of multiple wi-fi access points. This invention provides for combinations of multiple communication technologies including li-fi, wi-fi, bluetooth, and other radio frequency (RF) protocols, as well as network level system controls for optimizing bandwidth delivery. The concepts employed can be extended to other combinations of inter-networking wireless technologies.

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Easily integrated into single-user and multi-user scenarios in:

  • Internet of Things (IoT)
  • Sensor networks
  • Low energy communication systems


Access will be provided following acceptance of the University’s Open Technology standard terms and conditions.


Wi-fi networks run out of bandwidth when dense populations of users or devices attempt to utilize services. Network frequencies become congested and sufficient scalability without interference is difficult and in some cases cannot be achieved. Li-fi network solutions can provide new spectrum and additional high bandwidth connectivity to overcome this problem (without causing mutual interference between RF and li-fi systems), but current technology limits deployment of practical bi-directional solutions since li-fi transmitters and receivers are not yet integrated into commercial end user devices. Environments like trains, cars and aircraft cabins pose difficulties when it comes to deploying multi-cellular RF systems. Unlike RF, li-fi base systems do not suffer from excessive interference in such environments.



This invention employs a combination of technologies and algorithms to provide a new and novel approach to delivering high levels of bandwidth density. Further, while this patent specifically provides for the combination of li-fi, wi-fi, Bluetooth, and other RF protocols as well as network level system controls for optimizing bandwidth delivery, these concepts can also extend to other combinations of inter-networking wireless technologies.



  • Interoperability between wireless communications User Equipment is significantly improved by implementation of a Visible Light Communication system in combination with other wireless RF protocols and systems
  • Enables scalability without interference, and facilitates RF protocol users to access high-speed communication without requiring dedicated li-fi transceivers

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