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London Wi-Fi isn't up to much
Posted by: eusty on Monday, December 04, 2006 - 07:35 AM
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Thinking of using one of London's free Wi-Fi hotspots to chatter over VoIP?
Then forget it!
According to a survey by WLAN analysis specialist AirMagnet they are just not
up to the job and can't support more that one call at a time with the hotspots
and also suffer from dropped or poor quality calls.
Of the 15 hotspots it looked at around Oxford Street and the City 11 of them
suffered from coverage problems with the most common being caused by being on
the same channel as a neighbouring network, while other hotspots suffered
interference from Bluetooth phones or a microwave oven.
"The hotspots were OK for data use,.......but network usage is
evolving, and now the infrastructure needs to evolve to keep up."
"The best place we found was a phonebox with BT OpenZone,"
"It was very well set up - it's somewhat ironic, given that it's a
phonebox and we were testing voice-over-Wi-Fi." |
| Ian Schenkel AirMagnet |
Most of the problems could have been resolved by using WLAN analysis software
and some tweaking or adding extra access points.
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