WO2013022266A3 - Method and apparatus for transmitting and receiving channel state information - Google Patents

Method and apparatus for transmitting and receiving channel state information Download PDF

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Publication number
WO2013022266A3
WO2013022266A3 PCT/KR2012/006282 KR2012006282W WO2013022266A3 WO 2013022266 A3 WO2013022266 A3 WO 2013022266A3 KR 2012006282 W KR2012006282 W KR 2012006282W WO 2013022266 A3 WO2013022266 A3 WO 2013022266A3
Authority
WO
WIPO (PCT)
Prior art keywords
channel state
state information
transmitting
field
information
Prior art date
Application number
PCT/KR2012/006282
Other languages
French (fr)
Other versions
WO2013022266A2 (en
Inventor
Jian Jun Li
Kyoung Min PARK
Original Assignee
Pantech Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pantech Co., Ltd. filed Critical Pantech Co., Ltd.
Publication of WO2013022266A2 publication Critical patent/WO2013022266A2/en
Publication of WO2013022266A3 publication Critical patent/WO2013022266A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI

Abstract

Disclosed are a method and apparatus for transmitting and receiving channel state information. The method of transmitting channel state information includes receiving downlink control information including information field requesting aperiodic channel state information feedback, and transmitting channel state information configured according to the information field, wherein the information field is a channel state information request field, and each field value of the channel state information request field indicates a CoMP category as a target of triggering channel state information feedback. Channel state information can be effectively transmitted in a CoMP environment and overhead required for transmitting channel state information can be reduced.
PCT/KR2012/006282 2011-08-08 2012-08-08 Method and apparatus for transmitting and receiving channel state information WO2013022266A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0078798 2011-08-08
KR1020110078798A KR20130016701A (en) 2011-08-08 2011-08-08 Method and apparatus for transmitting and receiving chanel state information

Publications (2)

Publication Number Publication Date
WO2013022266A2 WO2013022266A2 (en) 2013-02-14
WO2013022266A3 true WO2013022266A3 (en) 2013-04-25

Family

ID=47669073

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/006282 WO2013022266A2 (en) 2011-08-08 2012-08-08 Method and apparatus for transmitting and receiving channel state information

Country Status (2)

Country Link
KR (1) KR20130016701A (en)
WO (1) WO2013022266A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9853786B2 (en) 2013-03-13 2017-12-26 Lg Electronics Inc. Method and device for reporting channel state information in wireless communication system
KR102186144B1 (en) * 2014-02-21 2020-12-03 삼성전자주식회사 Apparatus and method for transmitting/receiving information related to channel in multiple input multipel output system
CN105467038B (en) * 2015-12-29 2018-07-31 重庆三峡学院 The device and method that the continuous large sample of dynamic measures soil respiration rates and isotopics
CN112492640B (en) * 2015-12-31 2022-08-09 华为技术有限公司 Feedback method of channel measurement information, user equipment and base station
GB2558217B (en) * 2016-12-22 2020-08-19 Samsung Electronics Co Ltd Using feedback from user equipment to determine mode of joint transmission
GB2562098B (en) * 2017-05-05 2022-02-02 Samsung Electronics Co Ltd Improvements in and relating to channel state feedback in a telecommunication system
US10630453B2 (en) 2017-08-10 2020-04-21 At&T Intellectual Property I, L.P. Facilitating restriction of channel state information to improve communication coverage in 5G or other next generation networks
WO2022033654A1 (en) * 2020-08-10 2022-02-17 Nokia Technologies Oy Aperiodic channel state information reporting

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CATT: "Considerations on Design Criteria for DL CoMP, R1-093521", 3GPP RAN WG1 #58, 24 August 2009 (2009-08-24) *
PANTECH: "On aperiodic CSI triggering for CA, R1-110155", 3GPP RAN WG1 #63BIS, 17 January 2011 (2011-01-17) *

Also Published As

Publication number Publication date
WO2013022266A2 (en) 2013-02-14
KR20130016701A (en) 2013-02-18

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