METHOD AND APPARATUS TO SUPPORT CHANNEL REFINEMENT AND MULTI-STREAM TRANSMISSION IN MILLIMETER WAVE SYSTEMS

Title:

METHOD AND APPARATUS TO SUPPORT CHANNEL REFINEMENT AND MULTI-STREAM TRANSMISSION IN MILLIMETER WAVE SYSTEMS

Document Type and Number:

WIPO Patent Application WO/2014/027824

Kind Code:

A1

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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Inventors:

JOSIAM KAUSHIK MORAPAKKAM (US)
STIRLING-GALLACHER RICHARD (US)
PI ZHOUYUE (US)

Application Number:

PCT/KR2013/007287

Publication Date:

February 20, 2014

Filing Date:

August 13, 2013

Export Citation:

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Assignee:

SAMSUNG ELECTRONICS CO LTD (KR)

International Classes:

H04B7/04; H04W24/10; H04L1/06

Foreign References:

US20120051451A1	2012-03-01
US20120020230A1	2012-01-26
KR20090095756A	2009-09-10
US20120115521A1	2012-05-10
US20100215012A1	2010-08-26

Other References: