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Items tagged with: WiFi


#WiFi Meets #LoRa For #Long Range


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What do you get when you cross WiFi and LoRa? Researchers in China have been doing this, and they call the result #WiLo. They claim to get reliable connections over about half a kilometer. Typical WiFi runs 40 to 60 meters, barring any Pringle’s cans or other exotic tricks.

According to [Michelle Hampson] writing in IEEE Spectrum, the researchers manipulated Wi-Fi’s OFDM multiplexing to emulate LoRa’s chirp-spreading signal. The advantage is that existing WiFi hardware can use the protocol to increase range.

While LoRa is known for being economical with power, this might not be the case with repurposed WiFi devices. The researchers plan to explore ways to make WiLo more energy efficient. You can read the research paper you want to dig into the details.

Source: https://hackaday.com/2024/10/07/wifi-meets-lora-for-long-range/


Wardriving Tools In The Modern Era


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#wirelesshacks #wardriving #wifi #wireless #hackaday
posted by pod_feeder_v2


When you're travelling on a train on the Elizabeth line take a look at the line diagrams posted around the inside of the train. In top right hand corner is a little message about "Wi-Fi data collection".

If you want to opt-out then you need to remember to turn off WiFi on your phone every time you travel.

https://tfl.gov.uk/wifi-data-collection

#Tfl #ElizabethLine #WiFiDataCollection #WiFi
A sign that says: "Wi-Fi data collection TfL collects Wi-Fi connection data at some stations the Elizabeth line to better understand journey patterns and improve TfL services. TfL will not identify individuals. You can opt out by turning off your device's Wi-Fi. For more information visit tfl.gov.uk/wifi-data-collection"


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