METHOD AND APPARATUS FOR TRANSMITTING DATA IN DEVICE-TO-DEVICE SERVICE SYSTEM
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United States of America Patent
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Issued Date -
May 16, 2013
app pub date -
Nov 15, 2012
filing date -
Nov 15, 2011
priority date (Note) -
Abandoned
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Abstract
A method for transmitting data in a second device that performs a Device-to-Device (D2D) service is provided. The method includes determining cooperative communication, if a value indicating a channel condition between a first device and a third device is less than or equal to a predetermined threshold, overhearing data transmitted from the first device to the third device and overhearing a response signal transmitted from the third device to the first device, to identify a transmission-failed data block of the first device, and if there are data transmission resources left at a predetermined scheduled data transmission time, transmitting the transmission-failed data block of the first device to the third device by piggybacking the transmission-failed data block on transmission data of the second device.
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