Redirecting a wireless communication device to a different frequency
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United States of America Patent
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-
Sep 2, 2014
Grant Date -
Sep 13, 2012
app pub date -
Mar 10, 2011
filing date -
Mar 10, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A wireless communication device (WCD) may be able to acquire wireless service from preferred wireless coverage areas that are managed by the WCD's service provider. In some cases, the WCD may instead use wireless service from non-preferred wireless coverage areas of the service provider's roaming partners. In order to save roaming fees, the service provider's RAN may determine when the WCD is likely to roam to a non-preferred wireless coverage area. In response to this determination, the RAN may transmit a redirect message to the WCD, causing the WCD to switch from one preferred wireless coverage area to another preferred wireless coverage area. In some situations, the RAN may transmit such a redirect message because the WCD has reported that it has a low remaining battery life.
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