Fraunhofer Heinrich-Hertz Institut, 5 April 2013

In visible light communication, the Fraunhofer Heinrich Hertz Institute HHI has set a further milestone on the way to highspeed internet from the ceiling lamp. Development of novel components for data transmission over LEDs means that significantly higher bandwidth can now be used in real-time with data throughput rates of up to 3 Gbit/s being reached in laboratory experiments. The new components will be presented at FOE 2013.

The technology developed by HHI makes it possible to use standard off-the-shelf LED room lights for data transmission. Data rates of up to 800 Mbit/s were reached by this optical WLAN under laboratory conditions, while a complete real-time system exhibited at trade fairs reached data throughput of 500 Mbit/s. The newly developed patent protected components have now achieved a transmission rate in laboratory experiments of over 1 Gbit/s per single light frequency. As off-the-shelf LEDs mainly use three light frequencies or light colors, speeds of up to 3 Gbit/s are feasible.

Read more