Invention Application
- Patent Title: METHOD AND APPARATUS FOR EFFICIENT FEEDBACK IN A WIRELESS COMMUNICATION SYSTEM SUPPORTING MULTIPLE ANTENNA
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Application No.: US15462714Application Date: 2017-03-17
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Publication No.: US20170195020A1Publication Date: 2017-07-06
- Inventor: Hyunsoo KO , Sunam KIM , Dongguk LIM , Moonil LEE , Jaehoon CHUNG
- Applicant: LG ELECTRONICS INC.
- Applicant Address: KR Seoul
- Assignee: LG ELECTRONICS INC.
- Current Assignee: LG ELECTRONICS INC.
- Current Assignee Address: KR Seoul
- Priority: KR10-2011-0095682 20110922
- Main IPC: H04B7/0456
- IPC: H04B7/0456 ; H04W72/04 ; H04L5/00
Abstract:
A method for transmitting channel status information (CSI) via uplink in a wireless communication system includes transmitting a first precoding matrix indicator (PMI) and a second PMI at a subframe. A subsampled codebook for each of a precoding codebook for Rank-1 and a precoding codebook for Rank-2 is determined based on at least the first PMI or the second PMI. In case of the Rank-1 or the Rank-2, a number of elements for the first PMI is 8.
Public/Granted literature
- US09819406B2 Method and apparatus for efficient feedback in a wireless communication system supporting multiple antenna Public/Granted day:2017-11-14
Information query
