Method and apparatus for small cell discovery in heterogeneous networks
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United States of America Patent
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Jun 16, 2015
Grant Date -
Oct 18, 2012
app pub date -
Apr 13, 2012
filing date -
Apr 13, 2011
priority date (Note) -
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Abstract
A method for acquiring and applying offload area information for offloading a wireless transmit/receive unit (WTRU) to a small cell in a different frequency layer is disclosed. The WTRU may enter a region or a macro cell and receive offload area information of the region in which a small cell in the vicinity of the macro cell is located. The offload information may be received in a system information block (SIB), dedicated signaling, or any other radio signal. The WTRU may perform measurements to determine the location of the WTRU and to determine whether it has entered any offload areas. Upon a determination that the offload area information is no longer valid, the WTRU may delete the offload area information.
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