Invention Grant
- Patent Title: Method for signaling control information for coordinated multipoint transmission in wireless communication system
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Application No.: US14438975Application Date: 2013-09-26
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Publication No.: US11653377B2Publication Date: 2023-05-16
- Inventor: Young Jo Ko , Jae Young Ahn
- Applicant: Electronics and Telecommunications Research Institute
- Applicant Address: KR Daejeon
- Assignee: Electronics and Telecommunications Research Institute
- Current Assignee: Electronics and Telecommunications Research Institute
- Current Assignee Address: KR Daejeon-si
- Priority: KR 20120107619 2012.09.27 KR 20120110777 2012.10.05 KR 20120111108 2012.10.08 KR 20120121250 2012.10.30 KR 20120122812 2012.11.01 KR 20130114172 2013.09.26
- International Application: PCT/KR2013/008635 2013.09.26
- International Announcement: WO2014/051356A 2014.04.03
- Date entered country: 2015-04-28
- Main IPC: H04W72/12
- IPC: H04W72/12 ; H04B7/024 ; H04L5/00 ; H04B7/06 ; H04W72/1273

Abstract:
Disclosed is a method for signaling control information for coordinated multipoint (CoMP) transmission in a wireless communication system. The control information signaling method for CoMP transmission is performed by a base station and comprises providing, through RRC signaling, a terminal with setup information on each CSI-RS resource of a CoMP measurement group which is set in the terminal; and selectively providing, through DCI, the terminal with control information which indicates mapping of the PDSCH resource element corresponding to terminal and at least either pseudo-same positionality information of CSI-RS or pseudo-same positionality information of DM-RS. Thus, control information signaling for coordinated multipoint transmission can be efficiently performed.
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