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Registered METHOD FOR HARQ AND LINK ADAPTATION OF DEVICE TO DEVICE LINK IN DIRECT COMMUNICATION BETWEEN USER EQUIPMENTS AND RELAYING BY USER EQUIPMENT
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METHOD FOR HARQ AND LINK ADAPTATION OF DEVICE TO DEVICE LINK IN DIRECT COMMUNICATION BETWEEN USER EQUIPMENTS AND RELAYING BY USER EQUIPMENT
- Inventors
- Ahn Jae Young, Ko Young Jo, Noh Taegyun
- Application No.
- 13337646 (2011.12.27)
- Publication No.
- 20120163252 (2012.06.28)
- Registration No.
- 9014062 (2015.04.21)
- Country
- UNITED STATES
- Project Code
- 11VI1100, Development of B4G Mobile Communication Technologies for Smart Mobile Services, Park Nam Hoon
- Abstract
- Provided is a method of processing hybrid automatic repeat request (HARQ) and adaptive transmission of a device-to-device (D2D) link. In the method, an operation method of user equipment (UE) includes (a) receiving an initial transmission mode (TM) and transmission power for the D2D link from a base station, and performing data transmission through the D2D link, (b) determining, at the UE, a TM and transmission power of a succeeding subframe, or receiving a TM control value and a transmission power control value from counterpart UE of the D2D link and determining the TM and the transmission power of the succeeding subframe, and (c) performing the data transmission to the counterpart UE using the determined TM and transmission power. Here, (b) and (c) are repeated.
- KSP Keywords
- Adaptive Transmission, Automatic Repeat Request, Data transmission, Device to Device(D2D), Direct Communication, Hybrid automatic repeat request(HARQ), Link Adaptation(LA), Operation method, Power control(PC), Transmission mode, User equipment(UE), base station(BS), transmission power, transmission power control