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ZigBee Sensor Networks - Wireless Congestion |
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Thursday, 15 September 2005 |
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An interesting quote from a spokesperson for ZenSys, (makers of the Z-Wave home automation system)... "Networks that operate in the 2.4GHz band, such as that offered by Zigbee, will become congested and slow as this frequency is also used by Wi-Fi and other networks" As interest in these wireless technologies increases for the smart home users, it looks like wireless "congestion" is going to be a major issue. Reliable tracking of people as they move around a house would bring great benefits for any home automation system. Interesting, at this years Defcon meeting, hackers showed a passive RFID tag was able to be read from a distance of over 69 feet. Perhaps more passive devices are a better option for the future. Source : Defcon RFID Record
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