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German research: LED lights are expected to become network equipment
by：ALLTOP
2021-04-13
Researchers from the Fraunhofer Institute for Applied Research in Germany combined wireless networking and optics to turn ordinary LED lights in the living room into network devices, helping users' smartphones or computers to receive or send data. It is said that this technology research and development can use flashing LED lights to transmit data from the air, so that the transmission speed can reach 1000 megabytes per second, and express different transmission data rates with three different colors of LED lights.
LED lights are very popular in daily life. You can find this product in rooms, offices, and streets. In addition to providing people with lighting, LED lights have more powerful functions?
Anagnostis Paraskevopoulos, a researcher at the Institute, said that he personally thinks that the initial trial use of this technology may be used in conference rooms, exhibitions, industrial production environments, and hospitals and other more professional places.
However, he also said that such technology will cause a series of problems. For example, if the LED light is powered by a battery, this means that it will be better to receive signals in a short range. Another problem is that strong sunlight will affect the signal receiver of the LED light, which will cause some damage to the LED equipment used outdoors. As the distance changes, its performance will change. The transmission speed outside the range of 20 meters is only 20 megabits per second.
In addition, this kind of visible light communication also requires line-of-sight communication conditions, after all, light cannot have the function of penetrating walls. However, through the coordination of all the LED lights in the room, users can still receive signals in any corner of the room.
The limitation of this research and development is that not every user wants to have a luminous LED light on his head when his mobile phone or computer receives signals. However, the research team said that future research and development may introduce infrared LED lights that are invisible to the naked eye.
LED lights are very popular in daily life. You can find this product in rooms, offices, and streets. In addition to providing people with lighting, LED lights have more powerful functions?
Anagnostis Paraskevopoulos, a researcher at the Institute, said that he personally thinks that the initial trial use of this technology may be used in conference rooms, exhibitions, industrial production environments, and hospitals and other more professional places.
However, he also said that such technology will cause a series of problems. For example, if the LED light is powered by a battery, this means that it will be better to receive signals in a short range. Another problem is that strong sunlight will affect the signal receiver of the LED light, which will cause some damage to the LED equipment used outdoors. As the distance changes, its performance will change. The transmission speed outside the range of 20 meters is only 20 megabits per second.
In addition, this kind of visible light communication also requires line-of-sight communication conditions, after all, light cannot have the function of penetrating walls. However, through the coordination of all the LED lights in the room, users can still receive signals in any corner of the room.
The limitation of this research and development is that not every user wants to have a luminous LED light on his head when his mobile phone or computer receives signals. However, the research team said that future research and development may introduce infrared LED lights that are invisible to the naked eye.
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