Method for categorization of multiple providers in a wireless communication service environment
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United States of America Patent
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Apr 7, 2015
Grant Date -
Mar 29, 2012
app pub date -
Dec 7, 2011
filing date -
Jun 28, 1996
priority date (Note) -
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Abstract
A communication device locates a preferable wireless service provider in a multi-service provider environment using a frequency band search schedule. Initially, the communications device registers with a less preferred service provider in a first frequency band. While remaining registered with the less preferred service provider, the device examines several frequency bands in the order specified by the frequency band search schedule. A frequency band is examined by dividing the frequency band into many sub-bands, and by locating the strongest signal above a threshold within the sub-band being examined. The examination continues until a second frequency band having a more preferred service provider is located. The communication device then registers with the more preferred service provider. The category of service provider may be identified and displayed on the communication device.
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