Invention Grant
- Patent Title: Method and apparatus to support channel refinement and multi-stream transmission in millimeter wave systems
- Patent Title (中): 在毫米波系统中支持信道细化和多流传输的方法和装置
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Application No.: US13963746Application Date: 2013-08-09
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Publication No.: US09439096B2Publication Date: 2016-09-06
- Inventor: Kaushik Morapakkam Josiam , Richard Stirling-Gallacher , Zhouyue Pi
- Applicant: Samsung Electronics Co., LTD
- Applicant Address: KR Suwon-si
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si
- Main IPC: H04W24/10
- IPC: H04W24/10 ; H04B7/04 ; H04B7/06 ; H04W72/12
Abstract:
Methods and apparatus for sending and receiving mobile station (MS) specific channel state indication reference symbols (CSI-RS) is provided. A common CSI-RS is sent from a base station (BS) and is received by an MS. First feedback is sent to the BS from the MS based on the common CSI-RS. A configuration of an MS-specific CSI-RS is sent from the BS and received by the MS. An MS specific CSI-RS is sent from the BS and is received by the MS. Second feedback is sent to the BS from the MS based on the MS specific CSI-RS.
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