Invention Grant
- Patent Title: Downlink signal reception method and user equipment, and downlink signal transmission method and base station
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Application No.: US15542051Application Date: 2016-01-06
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Publication No.: US10263747B2Publication Date: 2019-04-16
- Inventor: Hyangsun You , Yungjung Yi , 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/KR2016/000106 WO 20160106
- International Announcement: WO2016/111549 WO 20160714
- Main IPC: H04L5/00
- IPC: H04L5/00 ; H04L25/02 ; H04L27/26 ; H04L12/18 ; H04W24/08 ; H04W72/04 ; H04W88/02 ; H04W88/08
Abstract:
Provided are a method and an apparatus for transmitting or receiving a downlink reference signal. A cell-specific downlink reference signal (CRS) is transmitted in a partial frequency band of the entire downlink frequency band. Configuration information of the CRS transmitted in the partial frequency band is provided to user equipment. The CRS transmitted in the partial frequency band may be used in downlink channel measurement alone or together with a legacy CRS.
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