Handover of device-to-device (D2D) user equipment (UE) devices using D2D subframes with cell identifiers
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United States of America Patent
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Jun 5, 2018
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N/A
app pub date -
Dec 18, 2014
filing date -
Dec 20, 2013
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Abstract
A Device-to-device (D2D) user equipment (UE) device communicating with another D2D UE device within a first cell transmits a D2D subframe that includes a cell identifier a second cell when the UE device moves from the first cell to the second cell. After a handover to the second cell is initiated, the D2D UE device can suspend D2D communication. The D2D UE device transmits the D2D subframe, such as D2D discovery subframe, identifying the second cell when the handover is complete. The other D2D UE device identifies the second cell to the base station providing the first cell. The base stations providing the first cell and the second cell coordinate to determine resources for D2D communication between the D2D UE devices.
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