German scientists rewrite LED visible light communication data transmission records

German scientists rewrite LED visible light communication data transmission records

German researchers have created a new record of 500 megabytes of visible light communication transmission per second.

The German Siemens company issued a communiqué on the 15th that scientists of the company and the Heinrich Hertz Institute flickered light-emitting diodes (LEDs) at high frequencies by special means, and the nearby photodetectors will convert this light signal into Electric pulse, its information transmission speed reaches 500 trillion per second.

Previously, the maximum transmission speed of visible light communication was 200 megabits per second, which was also jointly created by Siemens and the Heinrich Hertz Institute.

Compared with wireless local area networks, visible light communication technology can use fluorescent lights or light-emitting diodes and other indoor lighting equipment to emit signals. Using computers and mobile information terminals with the functions of receiving and sending information, users can download and upload data wherever indoor lights are exposed. This technology has high security. As long as the curtain is used to block the light, the information will not be leaked to the outside, reducing the possibility of data theft.

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