METHOD FOR ENERGY-EFFICIENT SCANNING TO ENABLE SEAMLESS LAYER-2 VERTICAL HANDOFFFS BETWEEN WIRELESS BROADBAND NETWORKS
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United States of America Patent
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Issued Date -
May 24, 2012
app pub date -
Feb 6, 2011
filing date -
Feb 10, 2010
priority date (Note) -
Abandoned
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Abstract
A mechanism that minimizes the frequency and interval of mobile device scans while not impacting the ability of the devices to seamlessly move across disparate wireless networks is disclosed. More specifically the method involves creating a map of tower/network identifiers and channels of operation between different wireless networks. Using this information a mobile device can schedule its scans on multiple wireless interfaces in an energy-efficient and on-demand manner.
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