Invention Grant
- Patent Title: Method of transmitting channel state information-reference signal (CSI-RS), base station, and user equipment
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Application No.: US16651003Application Date: 2018-09-28
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Publication No.: US12176983B2Publication Date: 2024-12-24
- Inventor: Yuichi Kakishima , Chongning Na , Min Liu , Satoshi Nagata
- Applicant: NTT DOCOMO, INC. , DOCOMO INNOVATIONS, INC.
- Applicant Address: JP Tokyo; US CA Palo Alto
- Assignee: NTT DOCOMO, INC.,DOCOMO INNOVATIONS, INC.
- Current Assignee: NTT DOCOMO, INC.,DOCOMO INNOVATIONS, INC.
- Current Assignee Address: JP Tokyo; US CA Palo Alto
- Agency: Osha Bergman Watanabe & Burton LLP
- International Application: PCT/US2018/053283 WO 20180928
- International Announcement: WO2019/067825 WO 20190404
- Main IPC: H04B7/06
- IPC: H04B7/06 ; H04B7/08 ; H04L5/00 ; H04W16/28 ; H04W72/0446 ; H04W72/0453
Abstract:
A method of transmitting Channel State Information (CSI)-Reference Signals (RSs) in a wireless communication system that includes a base station (BS) and a user equipment (UE) includes transmitting, from the BS to the UE, first multiple CSI-RSs in a CSI-RS resource set that consists of CSI-RS resources. The first multiple CSI-RSs are transmitted using the CSI-RS resources, respectively. The CSI-RS resource set is repeated in a time domain or a frequency domain. The transmitting transmits second multiple CSI-RSs in the repeated CSI-RS resource set.
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