Invention Grant
- Patent Title: Method and apparatus for delaying autonomous resource fallback for D2D operation in wireless communication system
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Application No.: US15113042Application Date: 2015-02-04
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Publication No.: US09936482B2Publication Date: 2018-04-03
- Inventor: Sunghoon Jung , Hanbyul Seo
- Applicant: LG ELECTRONICS INC.
- Applicant Address: KR Seoul
- Assignee: LG ELECTRONICS INC.
- Current Assignee: LG ELECTRONICS INC.
- Current Assignee Address: KR Seoul
- Agency: Lee Hong Degerman Kang Waimey
- International Application: PCT/KR2015/001157 WO 20150204
- International Announcement: WO2015/119428 WO 20150813
- Main IPC: H04W72/02
- IPC: H04W72/02 ; H04W72/08 ; H04W8/00 ; H04W88/04
Abstract:
A method and apparatus for performing device-to-device (D2D ) transmission in a wireless communication system is provided. A user equipment (UE) determines that it is out of coverage (OOC). Even though the UE is OOC, the UE continues to perform D2D transmission by using D2D resources for in-coverage under a specific condition. Based on a specific condition, if the UE determines that is in coverage before the specific condition is met, the UE performs D2D transmission by using the D2D resources for in-coverage. If the specific condition is met while the UE is OOC, the UE performs D2D transmission by using the D2D resources for OOC.
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