Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2008-02-12
2011-12-06
Hsu, Alpus H (Department: 2465)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S338000, C370S401000, C455S088000, C455S436000, C455S439000
Reexamination Certificate
active
08072936
ABSTRACT:
A method and apparatus for handover of a dual mode wireless transmit/receive unit (WTRU) from an LTE system to a GERAN system uses measurements of the LTE and GERAN frequencies and a decision by a source evolved Node B to perform the handover. A GERAN access procedure includes PS attach messages exchanged between the WTRU and the target base station controller and a target SGSN. Alternatively, the GERAN access procedure uses RAN mobility information messages exchanged by the WTRU and the target base station controller and a relocation detect message by the source evolved Node B.
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Hsu Alpus H
InterDigital Technology Corporation
Volpe and Koenig P.C.
LandOfFree
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