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Unformatted text preview: There are certain places that the GPS signals are not available and the Wi-Fi signals are also not available; therefore, its very hard to locate where exactly the smart card is. In case of emergency, the rescue squad will take longer time to get to the place because of the unknown location. Nevertheless, the updating period of the location is also another concern. We have to decide when would be the perfect updating period; we dont want to update it very often because it would cost a lot of power, but if we dont update often, the location will not be accurate....
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This note was uploaded on 10/31/2009 for the course ECE 492 taught by Professor Pachowicz,p during the Spring '08 term at George Mason.
- Spring '08