New WiFi Standard (802.22) Could Reaches 100 Km!

Sooner or later, people will not rely on their local mobile network provider for accessing internet anymore. Reason? The WiFi standard is growing bigger, wider and could approach further distance than what the current standard could manage to cover. The latest standard for WiFi wireless connectivity has arrived at the new level – 802.22, which is the standard that could provide up to 100km (or 62 mile) of range from single base station. You don’t really need to spend more on mobile internet access via 3G (from your local network provider e.g. Sprint, Verizon) if this standard keep growing, do you?


This new standard should also troubleshoot any blank spot problem that is often found on the traditional 802.11 b/g/n WIFI connections. Imagine you can set your wireless internet connection from your home and access it remotely even you are far away from your home without having problem finding the connection. That is wonderful and I can obviously free myself from bringing any mobile modem for accessing internet through 3G connection on my laptop (unless the laptop has a built-in 3G modem).

Story aside, because the coverage area is wider, this new standard did come with one obvious downside. According to the specification, 802.22 WIFI standard can only transmits at the speed of 22mbps when the distance reaching 62 miles. This is pretty slow when comparing to what you can enjoy right now with WiFi b/g/n in an acceptable range.

802.22 standard is said to use the new broadcast spectrum, which will become available as soon as the analog TV extinct from the surface.

Wireless Regional Area Networks (WRANs) takes advantage of the favorable transmission characteristics of the VHF and UHF TV bands to provide broadband wireless access over a large area up to 100 km from the transmitter. Each WRAN will deliver up to 22 Mbps per channel without interfering with reception of existing TV broadcast stations, using the so-called white spaces between the occupied TV channels.

[via Ars Technica]

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