Facility and method for wireless transmission of location data in a voice channel of a digital wireless telecommunications network
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United States of America Patent
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-
May 8, 2007
Grant Date -
May 1, 2003
app pub date -
Nov 1, 2001
filing date -
Nov 1, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A wireless communication facility and method employs a mobile unit having a number of alternative modes of digital wireless communication. The unit may be a battery pack or other accessory device attachable to a wireless telephone handset. The mobile unit is operated to assess some characteristic of each of the alternative modes, and based on the assessment, a preferred mode is determined. Data is transmitted via the preferred mode. The unit may include a GPS locator, so that the transmitted data may include the location of the unit. A call center is connected via the modes, and receives the data for processing, such as to return information to the user about the location.
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