Wednesday, January 31, 2007

Never lost 'em again: WiFi and RFID to the rescue

Ever lost your precious child in the store, on the playing grounds on in the theme park? If not just trust my words - there's nothing outta there that could make you to try and repeat such a situation ever again. Kids tend to get lost and understaffed malls, parks, etc. are struggling and stretching their dwindling task force to the limits just to find them out. But there's some technological improvements which could reduce the workload (and costs involved) drastically - for example installing WiFi access points on location and providing active RFID tags for the visitors. Managing companies could even charge some small change for a tag just to offset the costs.

What's Active RFID tag?
Unlike passive RFID, active RFID tags do not require an external power source or signal trigger, in order to transmit signal. Instead, the tag, which has its own power supply, sends a short wireless signal constantly, which is received by a standard Wi-Fi hotspot. So, the technology enables real-time monitoring at a much greater range.

Schools could use it to track students and ensure that they get home safely, hospitals would never lost their troublesome patients, theme park guides could easily spot a missed kid. And a huge range of services could be built upon the data this kind of monitoring generates. Interactive games, vital marketing statistics, traffic optimisation - possibilities are unlimited.

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