WO2011126243A3 - 채널상태정보 피드백 장치와 그 방법, 기지국 - Google Patents

채널상태정보 피드백 장치와 그 방법, 기지국 Download PDF

Info

Publication number
WO2011126243A3
WO2011126243A3 PCT/KR2011/002310 KR2011002310W WO2011126243A3 WO 2011126243 A3 WO2011126243 A3 WO 2011126243A3 KR 2011002310 W KR2011002310 W KR 2011002310W WO 2011126243 A3 WO2011126243 A3 WO 2011126243A3
Authority
WO
WIPO (PCT)
Prior art keywords
base station
state information
channel state
feedback device
information feedback
Prior art date
Application number
PCT/KR2011/002310
Other languages
English (en)
French (fr)
Other versions
WO2011126243A2 (ko
Inventor
박경민
리지안준
서성진
홍성권
Original Assignee
(주)팬택
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 (주)팬택 filed Critical (주)팬택
Priority to US13/639,451 priority Critical patent/US8908490B2/en
Publication of WO2011126243A2 publication Critical patent/WO2011126243A2/ko
Publication of WO2011126243A3 publication Critical patent/WO2011126243A3/ko

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
    • H04B7/04—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
    • 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
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • 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
    • 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
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection

Abstract

본 발명의 실시예는 무선통신시스템에 관한 것으로서, 송수신단 모두에서 다중입력 다중출력 안테나(MIMO)를 이용하는 무선통신시스템에 관련된 것이다.
PCT/KR2011/002310 2010-04-05 2011-04-04 채널상태정보 피드백 장치와 그 방법, 기지국 WO2011126243A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/639,451 US8908490B2 (en) 2010-04-05 2011-04-04 Channel state information feedback device, method thereof, and base station

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0031146 2010-04-05
KR1020100031146A KR20110111855A (ko) 2010-04-05 2010-04-05 채널상태정보 피드백 장치와 그 방법, 기지국

Publications (2)

Publication Number Publication Date
WO2011126243A2 WO2011126243A2 (ko) 2011-10-13
WO2011126243A3 true WO2011126243A3 (ko) 2012-03-15

Family

ID=44763370

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/002310 WO2011126243A2 (ko) 2010-04-05 2011-04-04 채널상태정보 피드백 장치와 그 방법, 기지국

Country Status (3)

Country Link
US (1) US8908490B2 (ko)
KR (1) KR20110111855A (ko)
WO (1) WO2011126243A2 (ko)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8391392B2 (en) 2009-01-05 2013-03-05 Marvell World Trade Ltd. Precoding codebooks for MIMO communication systems
US8385441B2 (en) 2009-01-06 2013-02-26 Marvell World Trade Ltd. Efficient MIMO transmission schemes
US8238483B2 (en) 2009-02-27 2012-08-07 Marvell World Trade Ltd. Signaling of dedicated reference signal (DRS) precoding granularity
EP3512219B1 (en) * 2009-04-06 2022-05-04 Marvell Asia Pte, Ltd. Improved feedback strategies for multi-user mimo communication systems
KR101670744B1 (ko) 2009-04-13 2016-11-09 엘지전자 주식회사 최적화된 랭크 3 코드북을 이용한 상향링크 신호 송수신
WO2010122432A1 (en) * 2009-04-21 2010-10-28 Marvell World Trade Ltd Multi-point opportunistic beamforming with selective beam attenuation
US8675794B1 (en) 2009-10-13 2014-03-18 Marvell International Ltd. Efficient estimation of feedback for modulation and coding scheme (MCS) selection
US8917796B1 (en) 2009-10-19 2014-12-23 Marvell International Ltd. Transmission-mode-aware rate matching in MIMO signal generation
US8325860B2 (en) 2009-11-09 2012-12-04 Marvell World Trade Ltd. Asymmetrical feedback for coordinated transmission systems
EP2514181B1 (en) 2009-12-17 2018-10-03 Marvell World Trade Ltd. Mimo feedback schemes for cross-polarized antennas
CN102687456B (zh) 2010-01-07 2015-04-15 马维尔国际贸易有限公司 专用参考信号(drs)预编码粒度信令的方法和装置
JP5258002B2 (ja) 2010-02-10 2013-08-07 マーベル ワールド トレード リミテッド Ｍｉｍｏ通信システムにおける装置、移動通信端末、チップセット、およびその方法
US8687741B1 (en) 2010-03-29 2014-04-01 Marvell International Ltd. Scoring hypotheses in LTE cell search
US8615052B2 (en) 2010-10-06 2013-12-24 Marvell World Trade Ltd. Enhanced channel feedback for multi-user MIMO
JP2012100254A (ja) * 2010-10-06 2012-05-24 Marvell World Trade Ltd Ｐｕｃｃｈフィードバックのためのコードブックサブサンプリング
US9048970B1 (en) 2011-01-14 2015-06-02 Marvell International Ltd. Feedback for cooperative multipoint transmission systems
US8861391B1 (en) 2011-03-02 2014-10-14 Marvell International Ltd. Channel feedback for TDM scheduling in heterogeneous networks having multiple cell classes
EP2692068B1 (en) 2011-03-31 2019-06-19 Marvell World Trade Ltd. Channel feedback for cooperative multipoint transmission
US8781018B2 (en) * 2011-04-25 2014-07-15 Texas Instruments Incorporated Six transmit antenna codebook design
WO2013068916A1 (en) 2011-11-07 2013-05-16 Marvell World Trade Ltd. Codebook sub-sampling for frequency-selective precoding feedback
WO2013068915A2 (en) 2011-11-07 2013-05-16 Marvell World Trade Ltd. Precoding feedback for cross-polarized antennas with magnitude information
US9031597B2 (en) 2011-11-10 2015-05-12 Marvell World Trade Ltd. Differential CQI encoding for cooperative multipoint feedback
US9220087B1 (en) 2011-12-08 2015-12-22 Marvell International Ltd. Dynamic point selection with combined PUCCH/PUSCH feedback
US8902842B1 (en) 2012-01-11 2014-12-02 Marvell International Ltd Control signaling and resource mapping for coordinated transmission
EP2842361B1 (en) 2012-04-27 2019-03-27 Marvell World Trade Ltd. Coordinated multipoint (comp) communication between base-stations and mobile communication terminals
US9720716B2 (en) * 2013-03-12 2017-08-01 Intel Corporation Layered virtual machine integrity monitoring
US9762995B2 (en) * 2013-10-16 2017-09-12 Samsung Electronics Co., Ltd. Stochastic transmission/reception method and apparatus for MU-MIMO scheme in MIMO radio communication system
JP6392893B2 (ja) 2014-04-30 2018-09-19 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． チャネル測定方法、チャネル測定装置、ユーザ機器およびシステム
US9742480B1 (en) * 2016-05-25 2017-08-22 Futurewei Technologies, Inc. Channel-state information determination in wireless networks
US10079629B2 (en) * 2017-02-17 2018-09-18 Futurewei Technologies, Inc. Apparatus and method for pre-coding data based on channel statistics
CN112821927B (zh) * 2019-11-15 2022-06-07 江苏雷奥生物科技有限公司 一种基于后向内外级联预编码的干扰管理方法及其装置
US11863259B2 (en) 2021-10-22 2024-01-02 Lenovo (Singapore) Pte. Ltd. Determining a precoder for wireless communications
US11616611B1 (en) 2021-10-22 2023-03-28 Lenovo (Singapore) Pte. Ltd. Precoding wireless communications

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8654715B2 (en) * 2008-10-24 2014-02-18 Qualcomm Incorporated Systems and methods providing mobile transmit diversity
EP2182653A1 (en) * 2008-10-31 2010-05-05 Nokia Siemens Networks GmbH & Co. KG Method of transmitting data in a radio network, radio network and receiving station.
KR101582685B1 (ko) * 2008-12-03 2016-01-06 엘지전자 주식회사 다중안테나를 이용한 데이터 전송장치 및 방법
KR101608779B1 (ko) * 2009-02-13 2016-04-20 엘지전자 주식회사 2안테나 시스템에서 상향링크 프리코딩 수행 방법
EP2469724B1 (en) * 2009-08-18 2014-05-14 Alcatel Lucent Precoding method and device
KR101621376B1 (ko) * 2009-10-06 2016-05-31 주식회사 팬택자산관리 무선 통신 시스템에서의 프리코딩 및 피드백 채널 정보

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"Rl-100190", 3GPP TSG-RAN WG1 #59, 18 January 2010 (2010-01-18), VALENCIA, SPAIN *
"Rl-101009", 3GPP TSG-RAN WG1 #60, 22 February 2010 (2010-02-22), SAN FRANCISCO, USA *
"Rl-101128", 3GPP TSG-RAN WG1 #60, 22 February 2010 (2010-02-22), SAN FRANCISCO, USA *
"Rl-101290", 3GPP TSG-RAN WG1 #60, 22 February 2010 (2010-02-22), SAN FRANCISCO, USA *

Also Published As

Publication number Publication date
WO2011126243A2 (ko) 2011-10-13
US20130028068A1 (en) 2013-01-31
KR20110111855A (ko) 2011-10-12
US8908490B2 (en) 2014-12-09

Similar Documents

Publication Publication Date Title
WO2011126243A3 (ko) 채널상태정보 피드백 장치와 그 방법, 기지국
WO2012005476A3 (ko) 송신장치 및 그 통신방법, 수신장치, 그 통신방법
WO2013002563A3 (ko) 채널상태정보 전송방법 및 사용자 기기, 그리고 채널상태정보 수신방법 및 기지국
WO2012002753A3 (ko) 채널정보 송수신방법 및 그 단말, 그 기지국
WO2011013977A3 (ko) 제어 정보를 전송하는 방법 및 이를 위한 장치
WO2011115421A3 (en) Method and apparatus for providing channel state information-reference signal (csi-rs) configuration information in a wireless communication system supporting multiple antennas
WO2010093166A2 (ko) 다중안테나 전송을 위한 단말 동작
WO2010018979A3 (ko) 무선 통신 시스템에서 정보 전송 방법 및 장치
WO2011140062A8 (en) Method and precoder information feedback in multi-antenna wireless communication systems
WO2012096476A3 (ko) 무선 통신 시스템에서 하향링크 참조 신호 송수신 방법 및 장치
WO2010143873A3 (ko) 무선 통신 시스템에서 채널 정보 전송 방법 및 장치
WO2010107609A3 (en) Spatial information feedback in wireless communication systems
EP2421176A4 (en) METHOD FOR CHANNEL INFORMATION FEEDBACKS, TERMINAL, BASE STATION AND MIMO SYSTEM
WO2011122902A3 (ko) 제어 정보를 전송하는 방법 및 이를 위한 장치
WO2010018977A3 (en) Method and apparatus of transmitting information in wireless communication system
WO2012008773A3 (ko) 무선 통신 시스템에서 상향링크 전송 전력 제어 방법 및 장치
WO2012036503A3 (ko) 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치
WO2011122783A3 (ko) Mimo 통신 시스템에서의 데이터 전송 방법 및 장치
WO2010143821A3 (en) Communication method using a carrier aggregation and apparatus therefore
WO2012036456A3 (ko) 상향링크 자원 할당을 위한 방법 및 장치
WO2014163576A3 (en) Radio base stations and wireless terminal for dual connectivity, methods therein and a system
WO2011065798A3 (en) Device and method for selecting transceiver in mobile communication system
WO2012150773A3 (ko) 무선 통신 시스템에서 하향링크 제어 정보를 송수신하는 방법 및 이를 위한 장치
WO2011053084A3 (ko) 채널 정보 피드백 장치 및 방법과 그를 이용하는 모드 전환 스위칭 방법과 통신단말장치 및 기지국 장치
WO2010011078A3 (en) Method of transmitting data in multiple antenna system

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11766094

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 13639451

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11766094

Country of ref document: EP

Kind code of ref document: A2