Cache with variable lifetime for storing overhead messages for femto deployments
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United States of America Patent
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Jun 4, 2013
Grant Date -
Mar 18, 2010
app pub date -
Jun 8, 2009
filing date -
Sep 15, 2008
priority date (Note) -
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Abstract
Methods and apparatus for using separate caches to retain overhead information while a device is in idle mode. A first cache can be associated with a first timer and can be utilized when a device is performing idle handoff. A second cache, associated with a second timer, can be utilized when a device is not performing idle handoff. The second timer can have a longer period of validity than the first timer. The separate caches can be utilized in networks that include femto cell topography, wherein re-use of pilot PN codes are at a greater frequency than the re-use frequency in macro cell topography.
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