IN2014KN00961A - - Google Patents

Info

Publication number
IN2014KN00961A
IN2014KN00961A IN961KON2014A IN2014KN00961A IN 2014KN00961 A IN2014KN00961 A IN 2014KN00961A IN 961KON2014 A IN961KON2014 A IN 961KON2014A IN 2014KN00961 A IN2014KN00961 A IN 2014KN00961A
Authority
IN
India
Prior art keywords
feedback
information
csi
transmitting
channel estimation
Prior art date
Application number
Inventor
Hyo Jin Lee
Youn Sun Kim
Ki Il Kim
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority claimed from PCT/KR2012/008319 external-priority patent/WO2013055152A1/en
Publication of IN2014KN00961A publication Critical patent/IN2014KN00961A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • 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
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • 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
    • 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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • 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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Abstract

A method and apparatus for transmitting feedback information by a User Equipment (UE) in a mobile communication system are provided. The method includes receiving information about at least one Channel State Information Reference Signal (CSI RS); performing channel estimation based on the information about at least one CSI RS; receiving information about at least one feedback; and transmitting at least one feedback including a channel estimation result using the information about at least one feedback wherein the information about at least one feedback includes information about a transmission timing and a feedback mode for at least one feedback.
IN961KON2014 2011-10-12 2012-10-12 IN2014KN00961A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201161546294P 2011-10-12 2011-10-12
US201161547294P 2011-10-14 2011-10-14
KR20110113894 2011-11-03
KR20110117483 2011-11-11
KR1020120008868A KR20130039644A (en) 2011-10-12 2012-01-30 Method and apparatus for transmitting and receiving feedback in communication system
US201261636989P 2012-04-23 2012-04-23
PCT/KR2012/008319 WO2013055152A1 (en) 2011-10-12 2012-10-12 Method and apparatus for transmitting and receiving feedback information in a mobile communication system

Publications (1)

Publication Number Publication Date
IN2014KN00961A true IN2014KN00961A (en) 2015-10-09

Family

ID=48439781

Family Applications (1)

Application Number Title Priority Date Filing Date
IN961KON2014 IN2014KN00961A (en) 2011-10-12 2012-10-12

Country Status (8)

Country Link
JP (2) JP5969037B2 (en)
KR (4) KR20130039644A (en)
CN (2) CN107682137B (en)
AU (1) AU2012321480B2 (en)
CA (1) CA2851480C (en)
IN (1) IN2014KN00961A (en)
RU (1) RU2597241C2 (en)
ZA (1) ZA201402930B (en)

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US8797966B2 (en) 2011-09-23 2014-08-05 Ofinno Technologies, Llc Channel state information transmission
US8885569B2 (en) 2011-12-19 2014-11-11 Ofinno Technologies, Llc Beamforming signaling in a wireless network
CN103490865B (en) * 2012-06-11 2017-09-01 电信科学技术研究院 A kind of feedback method of coordinated multipoint transmission, apparatus and system
KR102122814B1 (en) * 2013-07-10 2020-06-16 삼성전자 주식회사 method and apparatus for measurement of MU-MIMO interference in a cellular system
CN105991244A (en) * 2015-01-29 2016-10-05 北京三星通信技术研究有限公司 Method and equipment for measuring and reporting channel state information
CN107370531A (en) * 2016-05-11 2017-11-21 北京信威通信技术股份有限公司 It is a kind of to mix the method and device for reporting different type CSI
KR20180013811A (en) * 2016-07-29 2018-02-07 아서스테크 컴퓨터 인코포레이션 Method and apparatus for channel state information report for beam operation in a wireless communication system
RU2735309C1 (en) * 2016-09-30 2020-10-29 Телефонактиеболагет Лм Эрикссон (Пабл) Aperiodic channel state information (csi) and organization of pool of resources of csi-reference signal (rs)
CN108631956A (en) * 2017-03-23 2018-10-09 株式会社Ntt都科摩 Feedback method and communication equipment
CN108809394A (en) * 2017-05-04 2018-11-13 株式会社Ntt都科摩 A kind of mixed channel mass measuring method and user equipment
RU2742064C1 (en) * 2017-05-05 2021-02-02 Хуавэй Текнолоджиз Ко., Лтд. Wireless communication method, network device and terminal device
EP3711429B1 (en) * 2017-11-13 2021-06-02 Telefonaktiebolaget LM Ericsson (publ) Network node and method in a mesh network
WO2019157737A1 (en) * 2018-02-14 2019-08-22 华为技术有限公司 Method and device for transmitting reference signal
CN112335282A (en) * 2018-06-28 2021-02-05 株式会社Ntt都科摩 User terminal and radio base station
US11637732B2 (en) * 2018-07-18 2023-04-25 Samsung Electronics Co., Ltd. Method and apparatus for high-resolution CSI reporting in advanced wireless communication systems
CN115134822A (en) * 2021-03-24 2022-09-30 华为技术有限公司 Communication cooperation method and device
CN113703441B (en) * 2021-08-04 2023-03-10 北京三快在线科技有限公司 Control method, device and system of unmanned equipment

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JP4976914B2 (en) * 2007-05-01 2012-07-18 株式会社エヌ・ティ・ティ・ドコモ Base station apparatus and communication control method
WO2009120048A2 (en) * 2008-03-28 2009-10-01 Lg Electronics Inc. Method for avoiding inter-cell interference in a multi-cell environment
US8385452B2 (en) * 2008-10-24 2013-02-26 Qualcomm Incorporated Method and apparatus for separable channel state feedback in a wireless communication system
CN101873601A (en) * 2009-04-27 2010-10-27 松下电器产业株式会社 Method and system for setting reference signal in wireless communication system
WO2010124473A1 (en) * 2009-04-30 2010-11-04 华为技术有限公司 Method for reporting channel state information, channel estimating method, terminal and base station
CN101888665B (en) * 2009-05-13 2013-03-13 普天信息技术研究院有限公司 Local scheduler-based multi-point cooperative transmission method
KR101568291B1 (en) * 2009-07-10 2015-11-20 삼성전자주식회사 Terminal device and base station and operating method of the terminal device
CN102036264B (en) * 2009-09-30 2013-12-04 华为技术有限公司 Method and device for measuring channel of cell
US8824384B2 (en) * 2009-12-14 2014-09-02 Samsung Electronics Co., Ltd. Systems and methods for transmitting channel quality information in wireless communication systems
WO2011085230A2 (en) * 2010-01-08 2011-07-14 Interdigital Patent Holdings, Inc. Channel state information transmission for multiple carriers
US8599708B2 (en) * 2010-01-14 2013-12-03 Qualcomm Incorporated Channel feedback based on reference signal
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Also Published As

Publication number Publication date
KR20130039644A (en) 2013-04-22
CN107682137A (en) 2018-02-09
CN104040907A (en) 2014-09-10
KR101946539B1 (en) 2019-02-11
RU2597241C2 (en) 2016-09-10
RU2014118580A (en) 2015-11-20
CN104040907B (en) 2017-11-17
JP2016195436A (en) 2016-11-17
ZA201402930B (en) 2015-11-25
KR20190015613A (en) 2019-02-13
JP6249503B2 (en) 2017-12-20
JP2014530580A (en) 2014-11-17
KR20140072884A (en) 2014-06-13
KR102130816B1 (en) 2020-07-06
AU2012321480B2 (en) 2016-07-28
CA2851480A1 (en) 2013-04-18
CA2851480C (en) 2021-05-11
JP5969037B2 (en) 2016-08-10
AU2012321480A1 (en) 2014-03-13
KR102077240B1 (en) 2020-02-14
KR20200017550A (en) 2020-02-18
CN107682137B (en) 2020-12-25

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