KR101241916B1 - 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치 - Google Patents
다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치 Download PDFInfo
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- KR101241916B1 KR101241916B1 KR1020100104630A KR20100104630A KR101241916B1 KR 101241916 B1 KR101241916 B1 KR 101241916B1 KR 1020100104630 A KR1020100104630 A KR 1020100104630A KR 20100104630 A KR20100104630 A KR 20100104630A KR 101241916 B1 KR101241916 B1 KR 101241916B1
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- csi
- antenna ports
- subcarriers
- ofdm symbols
- candidates
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- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- 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]
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- 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
-
- 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
- H04B7/0658—Feedback reduction
- H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
- H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
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- 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
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012551902A JP5779595B2 (ja) | 2010-02-07 | 2011-01-05 | 多重アンテナを支援する無線通信システムにおいてダウンリンク参照信号を伝送する方法及び装置 |
PCT/KR2011/000045 WO2011096646A2 (en) | 2010-02-07 | 2011-01-05 | Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas |
AU2011211579A AU2011211579B2 (en) | 2010-02-07 | 2011-01-05 | Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas |
CN201510006914.3A CN104485984B (zh) | 2010-02-07 | 2011-01-05 | 发送csi‑rs、测量信道状态信息的方法和设备 |
CN201180008624.2A CN102754357B (zh) | 2010-02-07 | 2011-01-05 | 在支持多个天线的无线通信系统中发送下行链路基准信号的方法和设备 |
MX2012008309A MX2012008309A (es) | 2010-02-07 | 2011-01-05 | Metodo y aparato para transmitir señal de referencia de enlace descendente en sistma de comunicacion inalambrica que soporta multiples antenas. |
BR112012019651-0A BR112012019651B1 (pt) | 2010-02-07 | 2011-01-05 | Método e estação base para transmitir sinais de referência de informação de estado de canal (csi-rss) para oito ou menos portas de antena, e método e equipamento de usuário para medir informação de canal a partir de sinais de referência de informação de estado de canal (csi-rss) para oito ou menos portas de antena |
RU2012138168/07A RU2518405C2 (ru) | 2010-02-07 | 2011-01-05 | Способ и устройство для передачи опорного сигнала нисходящей линии связи в системе беспроводной связи, поддерживающей множество антенн |
US13/006,879 US8494006B2 (en) | 2010-02-07 | 2011-01-14 | Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas |
US13/932,895 US9345034B2 (en) | 2010-02-07 | 2013-07-01 | Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas |
JP2015138845A JP6100843B2 (ja) | 2010-02-07 | 2015-07-10 | 多重アンテナを支援する無線通信システムにおいてダウンリンク参照信号を伝送する方法及び装置 |
US15/099,423 US9577806B2 (en) | 2010-02-07 | 2016-04-14 | Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas |
US15/412,391 US9780936B2 (en) | 2010-02-07 | 2017-01-23 | Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30216610P | 2010-02-07 | 2010-02-07 | |
US61/302,166 | 2010-02-07 | ||
US30939010P | 2010-03-01 | 2010-03-01 | |
US61/309,390 | 2010-03-01 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020120081179A Division KR101276862B1 (ko) | 2010-02-07 | 2012-07-25 | 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치 |
Publications (2)
Publication Number | Publication Date |
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KR20110091839A KR20110091839A (ko) | 2011-08-16 |
KR101241916B1 true KR101241916B1 (ko) | 2013-03-11 |
Family
ID=44928925
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020100104630A KR101241916B1 (ko) | 2010-02-07 | 2010-10-26 | 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치 |
KR1020120081179A KR101276862B1 (ko) | 2010-02-07 | 2012-07-25 | 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020120081179A KR101276862B1 (ko) | 2010-02-07 | 2012-07-25 | 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치 |
Country Status (7)
Country | Link |
---|---|
JP (2) | JP5779595B2 (zh) |
KR (2) | KR101241916B1 (zh) |
CN (2) | CN102754357B (zh) |
AU (1) | AU2011211579B2 (zh) |
BR (1) | BR112012019651B1 (zh) |
MX (1) | MX2012008309A (zh) |
RU (1) | RU2518405C2 (zh) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9407409B2 (en) | 2010-02-23 | 2016-08-02 | Qualcomm Incorporated | Channel state information reference signals |
CN104041131B (zh) | 2012-01-11 | 2018-04-13 | Lg电子株式会社 | 在无线接入系统中收发信道状态信息的方法和用于该方法的装置 |
US9119209B2 (en) | 2012-03-30 | 2015-08-25 | Samsung Electronics Co., Ltd. | Apparatus and method for channel-state-information pilot design for an advanced wireless network |
CN103781160B (zh) * | 2012-10-23 | 2017-06-20 | 华为技术有限公司 | 数据的传输方法及装置 |
CN103795514B (zh) * | 2012-11-02 | 2017-11-28 | 中兴通讯股份有限公司 | ePDCCH发送、接收方法及基站、用户设备 |
CN109743148B (zh) | 2012-12-31 | 2021-11-19 | 上海华为技术有限公司 | 参考信号配置方法和参考信号发送方法及相关设备 |
WO2014123398A1 (ko) * | 2013-02-08 | 2014-08-14 | 엘지전자 주식회사 | 복조 참조 신호 정보 보고 방법 및 사용자기기와, 복조 참조 신호 정보 수신 방법 및 기지국 |
WO2014129716A1 (en) | 2013-02-21 | 2014-08-28 | Lg Electronics Inc. | Method and apparatus for configuring qcl between antenna ports for massive mimo in a wireless communication system |
CN104038320B (zh) * | 2013-03-04 | 2019-03-01 | 中兴通讯股份有限公司 | 资源映射、接收方法及装置、信令通知、获取方法及装置 |
WO2014171658A1 (ko) * | 2013-04-16 | 2014-10-23 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널 상태 정보 보고 방법 및 장치 |
KR102179822B1 (ko) * | 2013-07-30 | 2020-11-17 | 엘지전자 주식회사 | 무선 통신 시스템에서 부분 안테나 어레이 기반 빔포밍을 안테나 셔플링 수행 방법 및 이를 위한 장치 |
EP4311127A3 (en) | 2013-12-04 | 2024-04-10 | Telefonaktiebolaget LM Ericsson (publ) | Uplink subframe shortening in time-division duplex (tdd) systems |
US9954666B2 (en) * | 2013-12-04 | 2018-04-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Downlink subframe shortening in time-division duplex (TDD) systems |
CN104767592B (zh) * | 2014-01-02 | 2019-01-01 | 中国移动通信集团公司 | 一种csi-rs的端口配置、csi-rs传输的方法和设备 |
CN105471552B (zh) * | 2014-06-13 | 2020-01-10 | 北京三星通信技术研究有限公司 | 一种数据传输方法和设备 |
WO2016010291A1 (ko) | 2014-07-15 | 2016-01-21 | 엘지전자 주식회사 | Mimo 수신기가 re 그룹 단위로 복수의 레이어를 정렬하여 수신 신호를 처리하는 방법 |
WO2016018100A1 (ko) * | 2014-08-01 | 2016-02-04 | 엘지전자 주식회사 | 채널 상태 보고를 위한 방법 및 이를 위한 장치 |
KR102294742B1 (ko) | 2015-03-09 | 2021-08-27 | 삼성전자 주식회사 | 멀티캐리어 시스템에서의 기준 신호 패턴 디자인 방법 및 장치 |
US10256963B2 (en) * | 2015-04-10 | 2019-04-09 | Technology In Ariscale, Llc | Method and apparatus for transmitting and receiving channel state information reference signal in full dimension MIMO wireless communication system |
CN107852201B (zh) * | 2015-05-14 | 2021-10-29 | 瑞典爱立信有限公司 | 用于采用波束成形的drs的测量规程 |
US10142068B2 (en) * | 2015-05-22 | 2018-11-27 | Futurewei Technologies, Inc. | Methods and device for communications of OFDM signals over wideband carrier |
CN105262574B (zh) * | 2015-09-17 | 2018-12-18 | 北京北方烽火科技有限公司 | 一种csi-rs端口映射方法和装置 |
US10972164B2 (en) * | 2015-09-18 | 2021-04-06 | Samsung Electronics Co., Ltd | Method and device for transmitting and receiving feedback signal in wireless communication system |
KR102443053B1 (ko) * | 2015-10-30 | 2022-09-14 | 삼성전자주식회사 | 무선 통신 시스템에서 데이터 송수신 방법 및 장치 |
CN106656445B (zh) * | 2015-11-04 | 2019-10-22 | 中国移动通信集团公司 | 发送信道状态信息参考信号的方法、装置、基站及终端 |
WO2017164688A1 (ko) | 2016-03-24 | 2017-09-28 | 엘지전자(주) | 무선 통신 시스템에서 채널 상태 정보 참조 신호 송수신 방법 및 이를 위한 장치 |
EP3451601B1 (en) * | 2016-04-25 | 2021-10-06 | LG Electronics Inc. | Signal transmission method for estimating phase noise in wireless communication system |
CN107370584B (zh) * | 2016-05-13 | 2021-12-10 | 中兴通讯股份有限公司 | 一种导频信息的发送方法和装置以及接收方法和装置 |
WO2018010162A1 (en) | 2016-07-15 | 2018-01-18 | Qualcomm Incorporated | Port indexing for csi-rs with larger number of antenna ports for efd-mimo |
CN109792360B (zh) | 2016-09-30 | 2022-01-14 | 瑞典爱立信有限公司 | 用于基于cdm8的csi-rs设计的方法和设备 |
MX2019005229A (es) | 2016-11-04 | 2019-08-05 | Ericsson Telefon Ab L M | Reutilizacion de señales de referencia de movilidad para llevar a cabo monitoreo de enlace de radio en un sistema basado en haces. |
EP4096139A1 (en) | 2016-11-04 | 2022-11-30 | Telefonaktiebolaget LM Ericsson (publ) | Enhancements to mobility reference signals for radio link monitoring in a beam-based system |
US10187189B2 (en) * | 2017-01-13 | 2019-01-22 | Qualcomm Incorporated | Reference signal placement within different subbands of the same OFDM symbol |
US11005629B2 (en) * | 2017-02-01 | 2021-05-11 | Lg Electronics Inc. | Method for transreceiving channel state information-reference signal in wireless communication system and apparatus for same |
EP3577837B1 (en) * | 2017-02-03 | 2022-12-14 | NTT DoCoMo, Inc. | User equipment and wireless communication method |
PL3619872T3 (pl) * | 2017-05-05 | 2024-03-04 | Apple Inc. | Sygnalizacja konfiguracji mapowania sygnału referencyjnego informacji o stanie kanału (CSI-RS) dla systemu New Radio (NR) |
JP6756913B2 (ja) * | 2017-06-15 | 2020-09-16 | エルジー エレクトロニクス インコーポレイティド | 無線通信システムにおけるチャンネル状態情報を報告する方法及びそのための装置 |
BR112019026710A2 (pt) * | 2017-06-16 | 2020-06-30 | Telefonaktiebolaget Lm Ericsson (Publ) | sondagem de enlace ascendente de múltiplos recursos e transmissão em subconjuntos de antena |
EP3657719B1 (en) * | 2017-07-21 | 2023-11-01 | LG Electronics Inc. | Method for multiplexing between reference signals in wireless communication system, and apparatus for same |
EP3738242A1 (en) * | 2018-01-10 | 2020-11-18 | IDAC Holdings, Inc. | Short physical uplink control channel (spucch) structure |
CN110391884B (zh) * | 2018-04-19 | 2022-03-25 | 中兴通讯股份有限公司 | 一种sdma资源复用的方法、设备及存储介质 |
JP6723424B1 (ja) | 2019-06-21 | 2020-07-15 | 株式会社横須賀テレコムリサーチパーク | 送受信方法および送受信システム |
CN112804167B (zh) * | 2019-10-28 | 2022-06-24 | 上海交通大学 | 适用于lte通信系统的rs插入及其发送方法及系统 |
US11750431B2 (en) * | 2020-08-31 | 2023-09-05 | Qualcomm Incorporated | Peak reduction tones for full duplex communication |
CN112752291B (zh) * | 2020-12-15 | 2022-12-13 | 中国联合网络通信集团有限公司 | 一种上行速率的评估方法及装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070077008A (ko) * | 2006-01-19 | 2007-07-25 | 삼성전자주식회사 | 셀룰러 통신 시스템에서 낮은 변조 및 코드율 레벨 사용시전용 파일롯의 전송 방법 및 장치 |
KR20080054164A (ko) * | 2006-12-12 | 2008-06-17 | 엘지전자 주식회사 | 참조 신호 전송, 참조 신호 전송 패턴 설정, 자원 블록설정 및 할당을 위한 방법 및 장치 |
US20090110038A1 (en) | 2007-10-30 | 2009-04-30 | Qualcomm Incorporated | Arrangement and method for transmitting control information in wireless communication systems |
US20090290538A1 (en) | 2008-04-21 | 2009-11-26 | Lg Electronics, Inc. | Method of transmitting control signal in wireless communication system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2648005C (en) * | 2006-04-12 | 2013-01-15 | Lg Electronics Inc. | Method for allocating reference signals in mimo system |
US8537790B2 (en) * | 2008-03-10 | 2013-09-17 | Motorola Mobility Llc | Hierarchical pilot structure in wireless communication systems |
RU2371850C1 (ru) * | 2008-08-01 | 2009-10-27 | Федеральное государственное унитарное предприятие "Научно-исследовательский институт специальных систем связи "Интеграл" | Мобильная станция наземной подвижной службы |
CN101505180B (zh) * | 2009-03-17 | 2013-12-04 | 中兴通讯股份有限公司 | 高级长期演进系统中csi参考信号的承载方法与装置 |
US8369206B2 (en) * | 2009-03-25 | 2013-02-05 | Samsung Electronics Co., Ltd | Cell-specific shifting of reference signals in multi-stream transmissions |
US8472539B2 (en) * | 2009-04-07 | 2013-06-25 | Lg Electronics Inc. | Method of transmitting power information in wireless communication system |
CN101635950B (zh) * | 2009-08-14 | 2015-06-10 | 中兴通讯股份有限公司 | 一种确定小区参考信号位置的方法及装置 |
US20110244877A1 (en) * | 2009-10-08 | 2011-10-06 | Qualcomm Incorporated | Method and apparatus for using channel state information reference signal in wireless communication system |
US9407409B2 (en) * | 2010-02-23 | 2016-08-02 | Qualcomm Incorporated | Channel state information reference signals |
JP5005082B2 (ja) * | 2010-10-04 | 2012-08-22 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局装置、移動端末装置及び通信制御方法 |
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- 2011-01-05 CN CN201510006914.3A patent/CN104485984B/zh active Active
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- 2011-01-05 MX MX2012008309A patent/MX2012008309A/es active IP Right Grant
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- 2011-01-05 BR BR112012019651-0A patent/BR112012019651B1/pt active IP Right Grant
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070077008A (ko) * | 2006-01-19 | 2007-07-25 | 삼성전자주식회사 | 셀룰러 통신 시스템에서 낮은 변조 및 코드율 레벨 사용시전용 파일롯의 전송 방법 및 장치 |
KR20080054164A (ko) * | 2006-12-12 | 2008-06-17 | 엘지전자 주식회사 | 참조 신호 전송, 참조 신호 전송 패턴 설정, 자원 블록설정 및 할당을 위한 방법 및 장치 |
US20090110038A1 (en) | 2007-10-30 | 2009-04-30 | Qualcomm Incorporated | Arrangement and method for transmitting control information in wireless communication systems |
US20090290538A1 (en) | 2008-04-21 | 2009-11-26 | Lg Electronics, Inc. | Method of transmitting control signal in wireless communication system |
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Publication number | Publication date |
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BR112012019651A2 (pt) | 2016-05-03 |
JP6100843B2 (ja) | 2017-03-22 |
CN104485984B (zh) | 2018-01-23 |
JP2013519287A (ja) | 2013-05-23 |
KR101276862B1 (ko) | 2013-06-18 |
BR112012019651B1 (pt) | 2021-11-16 |
AU2011211579A1 (en) | 2012-07-26 |
CN104485984A (zh) | 2015-04-01 |
AU2011211579B2 (en) | 2013-08-29 |
RU2518405C2 (ru) | 2014-06-10 |
RU2012138168A (ru) | 2014-03-27 |
KR20110091839A (ko) | 2011-08-16 |
CN102754357A (zh) | 2012-10-24 |
KR20120100857A (ko) | 2012-09-12 |
JP5779595B2 (ja) | 2015-09-16 |
JP2016001880A (ja) | 2016-01-07 |
MX2012008309A (es) | 2012-08-03 |
CN102754357B (zh) | 2015-02-04 |
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