Until now, the 802.11 standard only included wireless data transmission technology from the WiFi segment. Now, with IEEE 802.11bb, a new standard is coming, behind which lies a new technology. Light is used instead of radio.
Das Institute of Electrical and Electronics Engineers (IEEE) has brought it IEEE 802.11bb A first standard for LiFi. Recently, the technology was back in the limelight after Harald Haas, the father of transmission technology, announced that LiFi is now ready for the mass market. Accordingly, the first smartphone with proper integration could hit the market in two to three years. A LiFi module ready for series production has already been presented by the company pureLiFi at the MWC in Barcelona.
LiFi falls into the field of optical short-range communication and uses WiFi as opposed to the well-known well of light. This will enable faster and above all, more stable data transmission than WiFi However, there is an obvious disadvantage, because there is always a gap between the transmitter and the receiver unit Visual communication The resulting technology is therefore not suitable for WLAN networks. Indoor use is conceivable, for example as a supplement to WiFi and 5G. LiFi may be an alternative to Ethernet at this point. “Lightbulb to Internet” was envisioned by a Chinese research team about 10 years ago.
The new standard enables data transfer speeds 224 Gbit/s (28 GB/s) – at least under laboratory conditions. LiFi modules shown for smartphones limit speeds to 1 Gbit/s (125 MB/s). It is not yet clear which smartphone manufacturer will be the first to adapt the transition technology. What remains interesting is what LiFi is ultimately used for.
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