The feedback method and a device for the cooperation multipoint communication in a communications system

Title:

The feedback method and a device for the cooperation multipoint communication in a communications system

Document Type and Number:

Japanese Patent JP6141856

Kind Code:

B2

Abstract:

A feedback method, a user equipment device and a network device are provided for cooperative multi-point (CoMP) communication in a communication system, the feedback method comprising: receiving channel status information (CSI) report information; determining a number of bits of a CSI request field, based on a number of cells; receiving downlink control information (DCI) including the CSI request field; interpreting the CSI request field, based on the determined number of bits of the CSI request field; and triggering an aperiodic CSI report, based on the interpreted CSI request field and the received CSI report information.

Inventors:

Key Kim
Hyo-Jin Lee
Yeon-Sung Kim
Yong-Boon Kim
Hyun-Ju Ji
Sun-Hun Choi

Application Number:

JP2014539869A

Publication Date:

June 07, 2017

Filing Date:

October 31, 2012

Export Citation:

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Assignee:

Samsung Electronics Company Limited

International Classes:

H04W72/04; H04B7/04; H04J1/00; H04W24/10

Foreign References:

US20110199944

Other References:

Qualcomm Incorporated,Clarification of Ambiguous DCI Formats 0 and 1A,3GPP TSG-RAN WG1 #66 R1-112533,2011年 8月16日,pp.1-5
Texas Instruments,CSI Feedback for DL CoMP,3GPP TSG RAN WG1 Meeting #66bis R1-113249,2011年10月 4日,pp.1-3
Motorola Mobility,Discussion on UE demodulation and CSI requirements in CA,3GPP TSG-RAN WG4 meeting #58 R4-110656,2011年 3月 1日

Attorney, Agent or Firm:

Shinya Mitsuhiro

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