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Researchers have developed a hybrid technology that combines Wi-Fi with Long Range Technology (LoRa). The so-called WiLo would be particularly interesting for Internet of Things applications. “Today’s WiFi
Researchers have developed a hybrid technology that combines Wi-Fi with Long Range Technology (LoRa). The so-called WiLo would be particularly interesting for Internet of Things applications.
“Today’s WiFi networks still have too many problems with long-distance communication and excessive power consumption,” said university professor Demin Gao in IEEE Spectrum. LoRa, on the other hand, is able to work over long distances with limited consumption. The technology is widely used in Internet of Things applications, such as networks of remote sensors used in agriculture or cities.
WiLo combines the two communication protocols to get the most benefit from both without the need to use additional devices. In indoor and outdoor tests at various distances up to 500 meters, the WiLo technology was successful in 96 percent of cases.
In principle, WiLo already works perfectly on existing routers, but this option is limited by the mandatory emulation of WLAN signals. The researchers use emulation to manipulate the frequency of data transmission via WLAN. This corresponds to the frequency of the long-distance network, because this is the only way WLAN devices can communicate over long distances.
The biggest disadvantage is that WiFi devices must be able to perform regular communication and signal emulation at the same time. This results in high peaks in power consumption. Only after this stumbling point has been addressed and optimized can they make the technology publicly available.
“To commercialize WiLo, greater optimization of energy consumption, data speed and resilience to disruption is required,” says Gao. “The next steps in our development will ensure that the system meets industry standards and security measures are in place for communication with various technologies.”
Long-range WiFi is on the rise. Morse Micro recently set a new Wi-Fi distance world record of no less than 15.9 kilometers using HaLow technology. It reached a top speed of 2 Mbit/s. The HaLow remote technology was developed for large outdoor locations with a short range. Who knows, maybe one day WiLo will set a world record.
Source: IT Daily
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