Invention Grant
US09332528B2 Method and device for feeding back precoding matrix indicator using interpolation
有权
使用插值反馈预编码矩阵指示器的方法和装置
- Patent Title: Method and device for feeding back precoding matrix indicator using interpolation
- Patent Title (中): 使用插值反馈预编码矩阵指示器的方法和装置
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Application No.: US13882526Application Date: 2011-11-02
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Publication No.: US09332528B2Publication Date: 2016-05-03
- Inventor: Hyungtae Kim , Hanbyul Seo , Kijun Kim
- Applicant: Hyungtae Kim , Hanbyul Seo , Kijun Kim
- Applicant Address: KR Seoul
- Assignee: LG Electronics Inc.
- Current Assignee: LG Electronics Inc.
- Current Assignee Address: KR Seoul
- Agency: Dentons US LLP
- International Application: PCT/KR2011/008296 WO 20111102
- International Announcement: WO2012/060631 WO 20120510
- Main IPC: H04W72/02
- IPC: H04W72/02 ; H04B7/02 ; H04B7/06 ; H04L1/06 ; H04L5/00 ; H04L25/03 ; H04L1/00 ; H04B7/04 ; H04W74/00
Abstract:
The present invention relates to a method and a device for feeding back a channel through precoding matrix indicator (PMI) interpolation. As one embodiment of the present invention, a method for feeding back a precoding matrix indicator (PMI) in a CoMP environment comprises the steps of: allowing a terminal to perform PMI interpolation by using PMIs that are included in the PMI window; allowing the terminal to select an optimum PMI by comparing the interpolated PMIs with a channel state of a current channel; and allowing the terminal to feed back the optimum PMI to a base station.
Public/Granted literature
- US20130242921A1 METHOD AND DEVICE FOR FEEDING BACK PRECODING MATRIX INDICATOR USING INTERPOLATION Public/Granted day:2013-09-19
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