AU2011211579B2 - Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas - Google Patents
Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennasInfo
- Publication number
- AU2011211579B2 AU2011211579B2 AU2011211579A AU2011211579A AU2011211579B2 AU 2011211579 B2 AU2011211579 B2 AU 2011211579B2 AU 2011211579 A AU2011211579 A AU 2011211579A AU 2011211579 A AU2011211579 A AU 2011211579A AU 2011211579 B2 AU2011211579 B2 AU 2011211579B2
- Authority
- AU
- Australia
- Prior art keywords
- csi
- rss
- group
- antenna ports
- groups
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
- H04B7/0413—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]
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (7)
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 | ||
KR10-2010-0104630 | 2010-10-26 | ||
KR1020100104630A KR101241916B1 (ko) | 2010-02-07 | 2010-10-26 | 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치 |
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2011211579A1 AU2011211579A1 (en) | 2012-07-26 |
AU2011211579B2 true AU2011211579B2 (en) | 2013-08-29 |
Family
ID=44928925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2011211579A Active AU2011211579B2 (en) | 2010-02-07 | 2011-01-05 | Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas |
Country Status (7)
Country | Link |
---|---|
JP (2) | JP5779595B2 (ru) |
KR (2) | KR101241916B1 (ru) |
CN (2) | CN102754357B (ru) |
AU (1) | AU2011211579B2 (ru) |
BR (1) | BR112012019651B1 (ru) |
MX (1) | MX2012008309A (ru) |
RU (1) | RU2518405C2 (ru) |
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 |
JP6158834B2 (ja) * | 2012-01-11 | 2017-07-05 | エルジー エレクトロニクス インコーポレイティド | 無線接続システムにおけるチャネル状態情報の送受信方法及びそのための装置 |
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 |
CN103347298B (zh) | 2012-12-31 | 2019-02-19 | 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 |
US9936486B2 (en) | 2013-02-08 | 2018-04-03 | Lg Electronics Inc. | Method and user equipment for reporting demodulation reference signal information and method and base station for receiving demodulation reference signal information |
KR20150121002A (ko) | 2013-02-21 | 2015-10-28 | 엘지전자 주식회사 | 무선 통신 시스템에서 대규모 mimo를 위한 안테나 포트 간 qcl 설정 방법 및 이를 위한 장치 |
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 |
US9680552B2 (en) | 2013-04-16 | 2017-06-13 | Lg Electronics Inc. | Method and apparatus for reporting channel state information in wireless communication system |
EP3028389B1 (en) * | 2013-07-30 | 2018-12-12 | LG Electronics Inc. | Method for performing antenna shuffling using partial antenna array based beamforming in wireless communication system |
RU2635348C1 (ru) | 2013-12-04 | 2017-11-13 | Телефонактиеболагет Лм Эрикссон (Пабл) | Сокращение подфрейма нисходящего канала передачи в системах дуплексной передачи с разделением ао времени (TDD) |
EP3557784B1 (en) | 2013-12-04 | 2020-09-30 | Telefonaktiebolaget LM Ericsson (publ) | Uplink 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 |
CN111212477B (zh) * | 2014-06-13 | 2023-10-10 | 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 |
KR101909037B1 (ko) * | 2014-07-15 | 2018-10-17 | 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 |
CN112383337B (zh) * | 2015-04-10 | 2023-11-03 | 阿里斯卡尔股份有限公司 | 发送csi-rs的方法和报告csi的方法 |
US10469138B2 (en) | 2015-05-14 | 2019-11-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Measurement procedures for DRS with beamforming |
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 |
WO2017048107A1 (ko) | 2015-09-18 | 2017-03-23 | 삼성전자 주식회사 | 무선 통신 시스템에서 피드백 신호를 송수신하는 방법 및 장치 |
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 |
WO2017188591A1 (ko) | 2016-04-25 | 2017-11-02 | 엘지전자 주식회사 | 무선 통신 시스템에서 위상 잡음 추정을 위한 신호 전송 방법 |
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 |
ES2968689T3 (es) | 2016-09-30 | 2024-05-13 | Ericsson Telefon Ab L M | Diseños de CSI-RS basados en CDM8 para MIMO |
US10812155B2 (en) | 2016-11-04 | 2020-10-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Enhancements to mobility reference signals for radio link monitoring in a beam-based system |
CN109891977B (zh) | 2016-11-04 | 2023-06-20 | 瑞典爱立信有限公司 | 在基于波束的系统中重用移动性参考信号以执行无线电链路监控 |
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 |
JP7197488B2 (ja) * | 2017-02-03 | 2022-12-27 | 株式会社Nttドコモ | ユーザ端末、無線通信方法、基地局及び通信システム |
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) |
WO2018231011A2 (ko) | 2017-06-15 | 2018-12-20 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치 |
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 |
CN111095852B (zh) * | 2017-07-21 | 2022-11-18 | Lg电子株式会社 | 无线通信系统中在参考信号之间进行复用的方法及其装置 |
CN117061068A (zh) * | 2018-01-10 | 2023-11-14 | 交互数字专利控股公司 | 短物理上行链路控制信道(sPUCCH)结构 |
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 (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100958636B1 (ko) * | 2006-01-19 | 2010-05-20 | 삼성전자주식회사 | 무선통신 시스템에서 변조 및 코드율 레벨에 따른 전용 파일롯의 송수신 제어 방법 및 장치 |
MX2008013080A (es) * | 2006-04-12 | 2009-01-14 | Lg Electronics Inc | Metodo para asignar señales de referencia en sistema de mimo. |
KR101265632B1 (ko) * | 2006-12-12 | 2013-05-22 | 엘지전자 주식회사 | 참조 신호 전송, 참조 신호 전송 패턴 설정, 자원 블록설정 및 할당을 위한 방법 및 장치 |
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 |
-
2010
- 2010-10-26 KR KR1020100104630A patent/KR101241916B1/ko active IP Right Grant
-
2011
- 2011-01-05 AU AU2011211579A patent/AU2011211579B2/en active Active
- 2011-01-05 RU RU2012138168/07A patent/RU2518405C2/ru active
- 2011-01-05 CN CN201180008624.2A patent/CN102754357B/zh active Active
- 2011-01-05 MX MX2012008309A patent/MX2012008309A/es active IP Right Grant
- 2011-01-05 CN CN201510006914.3A patent/CN104485984B/zh active Active
- 2011-01-05 JP JP2012551902A patent/JP5779595B2/ja active Active
- 2011-01-05 BR BR112012019651-0A patent/BR112012019651B1/pt active IP Right Grant
-
2012
- 2012-07-25 KR KR1020120081179A patent/KR101276862B1/ko active IP Right Grant
-
2015
- 2015-07-10 JP JP2015138845A patent/JP6100843B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Non-Patent Citations (1)
Title |
---|
SAWAHASHI. M. et al., "Broadband Radio Access: LTE and LTE-Advanced", 2009 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2009), 7-9 December 2009 * |
Also Published As
Publication number | Publication date |
---|---|
JP2013519287A (ja) | 2013-05-23 |
CN104485984B (zh) | 2018-01-23 |
KR20110091839A (ko) | 2011-08-16 |
MX2012008309A (es) | 2012-08-03 |
CN102754357B (zh) | 2015-02-04 |
BR112012019651B1 (pt) | 2021-11-16 |
CN102754357A (zh) | 2012-10-24 |
KR101276862B1 (ko) | 2013-06-18 |
BR112012019651A2 (pt) | 2016-05-03 |
RU2518405C2 (ru) | 2014-06-10 |
JP5779595B2 (ja) | 2015-09-16 |
KR101241916B1 (ko) | 2013-03-11 |
JP2016001880A (ja) | 2016-01-07 |
RU2012138168A (ru) | 2014-03-27 |
KR20120100857A (ko) | 2012-09-12 |
CN104485984A (zh) | 2015-04-01 |
AU2011211579A1 (en) | 2012-07-26 |
JP6100843B2 (ja) | 2017-03-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2011211579B2 (en) | Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas | |
US9780936B2 (en) | Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas | |
KR102219351B1 (ko) | 무선 통신 시스템에서 상향링크 송수신 방법 및 이를 위한 장치 | |
KR101715397B1 (ko) | 무선 통신 시스템에서 참조신호 전송 장치 및 방법 | |
US20190165903A1 (en) | Apparatus and method for transmitting a reference signal in a wireless communication system | |
KR101755038B1 (ko) | 무선 통신 시스템에서 참조신호 전송 장치 및 방법 | |
US8842623B2 (en) | Method and apparatus for transmitting reference signals in uplink multiple input multiple output (MIMO) transmission | |
US8982978B2 (en) | Method and apparatus for transceiving a precoded signal in a multiple antenna supported wireless communication system | |
JP5897580B2 (ja) | 多重アンテナ支援無線通信システムにおいて効率的なフィードバック方法及び装置 | |
US20120127948A1 (en) | Method and apparatus for transmitting uplink signals in wireless communication system for supporting multiple antenna transmission | |
KR20110030372A (ko) | 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치 | |
EP3567786B1 (en) | Indication method and device | |
WO2013055120A1 (ko) | 협력 멀티 포인트 통신 시스템에서 피드백 방법 및 장치 | |
KR20130106260A (ko) | 다중 사용자 mimo(mu-mimo) 방식을 지원하는 무선 통신 시스템에서 신호 수신 방법 및 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FGA | Letters patent sealed or granted (standard patent) |