WO2011046317A3 - 다중-셀 협력 통신 모드 및 단일-셀 mimo 통신 모드 간의 모드 스위칭 방법 및 장치 - Google Patents
다중-셀 협력 통신 모드 및 단일-셀 mimo 통신 모드 간의 모드 스위칭 방법 및 장치 Download PDFInfo
- Publication number
- WO2011046317A3 WO2011046317A3 PCT/KR2010/006792 KR2010006792W WO2011046317A3 WO 2011046317 A3 WO2011046317 A3 WO 2011046317A3 KR 2010006792 W KR2010006792 W KR 2010006792W WO 2011046317 A3 WO2011046317 A3 WO 2011046317A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- communication mode
- cell
- mode
- switching
- mimo
- Prior art date
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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
-
- 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
- H04B7/0482—Adaptive codebooks
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
-
- 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
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020127006375A KR101753589B1 (ko) | 2009-10-14 | 2010-10-05 | 다중-셀 협력 통신 모드 및 단일-셀 mimo 통신 모드 간의 모드 스위칭 방법 및 장치 |
US13/497,248 US8665817B2 (en) | 2009-10-14 | 2010-10-05 | Method and apparatus for mode switching between a multi-cell coordinated communication mode and a single-cell MIMO communication mode |
EP10823556.5A EP2490345B1 (en) | 2009-10-14 | 2010-10-05 | Method and apparatus for mode switching between a multi-cell coordinated communication mode and a single-cell mimo communication mode |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25167009P | 2009-10-14 | 2009-10-14 | |
US61/251,670 | 2009-10-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011046317A2 WO2011046317A2 (ko) | 2011-04-21 |
WO2011046317A3 true WO2011046317A3 (ko) | 2011-09-09 |
Family
ID=43876669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2010/006792 WO2011046317A2 (ko) | 2009-10-14 | 2010-10-05 | 다중-셀 협력 통신 모드 및 단일-셀 mimo 통신 모드 간의 모드 스위칭 방법 및 장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8665817B2 (ko) |
EP (1) | EP2490345B1 (ko) |
KR (1) | KR101753589B1 (ko) |
WO (1) | WO2011046317A2 (ko) |
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CN101997587B (zh) * | 2009-08-14 | 2014-11-05 | 中兴通讯股份有限公司 | 多点协作传输中的cqi值确定方法及装置 |
US20110153668A1 (en) * | 2009-12-18 | 2011-06-23 | Research In Motion Limited | Accessing a data item stored in an unavailable mobile communication device |
WO2011083431A2 (en) * | 2010-01-11 | 2011-07-14 | Koninklijke Philips Electronics N.V. | A method for configuring a transmission mode in a wireless network |
US8705392B2 (en) * | 2010-04-05 | 2014-04-22 | Nec Laboratories America, Inc. | MU-MIMO-OFDMA multi-rank CQI and precoder signaling schemes |
US10090982B2 (en) | 2010-09-29 | 2018-10-02 | Qualcomm Incorporated | Systems and methods for communication of channel state information |
US9602298B2 (en) | 2010-09-29 | 2017-03-21 | Qualcomm Incorporated | Methods and apparatuses for determining a type of control field |
US9831983B2 (en) | 2010-09-29 | 2017-11-28 | Qualcomm Incorporated | Systems, methods and apparatus for determining control field and modulation coding scheme information |
US9374193B2 (en) | 2010-09-29 | 2016-06-21 | Qualcomm Incorporated | Systems and methods for communication of channel state information |
US9806848B2 (en) * | 2010-09-29 | 2017-10-31 | Qualcomm Incorporated | Systems, methods and apparatus for determining control field and modulation coding scheme information |
US9882624B2 (en) | 2010-09-29 | 2018-01-30 | Qualcomm, Incorporated | Systems and methods for communication of channel state information |
US9077498B2 (en) | 2010-09-29 | 2015-07-07 | Qualcomm Incorporated | Systems and methods for communication of channel state information |
US9813135B2 (en) | 2010-09-29 | 2017-11-07 | Qualcomm, Incorporated | Systems and methods for communication of channel state information |
CN102546080B (zh) * | 2010-12-21 | 2014-06-25 | 华为技术有限公司 | 一种下行基带信号生成方法及相关设备、系统 |
JP5421299B2 (ja) * | 2011-01-07 | 2014-02-19 | 株式会社Nttドコモ | 移動端末装置、無線基地局装置、及び無線通信方法 |
CN102611536A (zh) * | 2011-01-20 | 2012-07-25 | 夏普株式会社 | 信道状态信息反馈方法和用户设备 |
US9100985B2 (en) * | 2011-02-15 | 2015-08-04 | Htc Corporation | Coordinated multi-point communications system and methods for controlling coordinated multi-point transmission and reception |
CN102695182B (zh) * | 2011-03-24 | 2017-03-15 | 株式会社Ntt都科摩 | 一种通信处理方法及基站 |
CN102752083B (zh) * | 2011-04-22 | 2017-12-12 | 株式会社Ntt都科摩 | 一种实现多点协作传输配置的方法 |
US8798011B2 (en) * | 2011-04-29 | 2014-08-05 | Nec Laboratories America, Inc. | Enhancement of download multi-user multiple-input multiple-output wireless communications |
CN103138821B (zh) * | 2011-11-30 | 2017-02-08 | 华为技术有限公司 | 一种数据传输方法、装置及系统 |
US9917629B2 (en) | 2011-12-14 | 2018-03-13 | Qualcomm Incoroporated | Multi-hypothesis channel quality indicator feedback |
US8953478B2 (en) * | 2012-01-27 | 2015-02-10 | Intel Corporation | Evolved node B and method for coherent coordinated multipoint transmission with per CSI-RS feedback |
CN103312451B (zh) * | 2012-03-14 | 2017-04-12 | 华为技术有限公司 | 用于传输数据的方法和用户设备 |
KR20130122201A (ko) * | 2012-04-30 | 2013-11-07 | 한국전자통신연구원 | 멀티 포인트 전송 환경에서의 무선 데이터 송수신 방법 |
KR20130134873A (ko) | 2012-05-31 | 2013-12-10 | 삼성전자주식회사 | 무선통신 시스템에서 송신 방법 및 장치 |
CN103490865B (zh) * | 2012-06-11 | 2017-09-01 | 电信科学技术研究院 | 一种多点协作传输的反馈方法、装置及系统 |
KR101970279B1 (ko) * | 2012-07-09 | 2019-04-18 | 삼성전자주식회사 | 무선 통신 시스템에서 상향 링크 전력 제어장치 및 방법 |
US9337973B2 (en) | 2012-09-11 | 2016-05-10 | Industrial Technology Research Institute | Method of cooperative MIMO wireless communication and base station using the same |
KR101980091B1 (ko) | 2012-10-18 | 2019-05-20 | 삼성전자주식회사 | 무선 통신 시스템에서 기지국 협력 통신 방법 및 장치 |
WO2014094917A1 (en) * | 2012-12-21 | 2014-06-26 | Huawei Technologies Co., Ltd. | Method and apparatus for providing generic hierarchical precoding codebooks |
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WO2014139148A1 (zh) * | 2013-03-15 | 2014-09-18 | 华为技术有限公司 | 一种发送设备和接收设备参数的调整方法及终端设备 |
WO2015016582A1 (ko) * | 2013-07-29 | 2015-02-05 | 엘지전자 주식회사 | 무선 통신 시스템에서 NIB CoMP 방법 및 장치 |
KR102131809B1 (ko) * | 2014-01-24 | 2020-07-08 | 에스케이텔레콤 주식회사 | 기지국장치 및 기지국장치의 동작 방법 |
US9503911B2 (en) * | 2014-07-24 | 2016-11-22 | Huawei Technologies Co., Ltd. | System and method for coordinated beamforming for overlapping basic service set in WLAN |
US9628999B2 (en) | 2014-07-24 | 2017-04-18 | Huawei Technologies Co., Ltd. | System and methods for enabling coordinated beamforming in overlapping basic service set in WLAN |
US9692494B2 (en) | 2014-08-12 | 2017-06-27 | Qualcomm Incorporated | Dynamic switching between wireless multiple access schemes |
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WO2017133772A1 (en) * | 2016-02-04 | 2017-08-10 | Telefonaktiebolaget Lm Ericsson (Publ) | A method for adapting a beam shape of a beam |
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US10057863B2 (en) * | 2016-10-07 | 2018-08-21 | Futurewei Technologies, Inc. | Apparatus, computer program, and method for setting a power of a cell node based on cell node gradient information |
WO2020060338A1 (ko) * | 2018-09-21 | 2020-03-26 | 엘지전자 주식회사 | 무선 통신 시스템에서 데이터를 송수신하는 방법 및 이에 대한 장치 |
US10778300B2 (en) * | 2018-12-03 | 2020-09-15 | Samsung Electronics Co., Ltd | Method and apparatus for high rank multiple-input multiple-output (MIMO) symbol detection |
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KR20090106975A (ko) * | 2008-04-07 | 2009-10-12 | 엘지전자 주식회사 | Mimo 시스템에서 모드 적응 방법 |
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SE0400370D0 (sv) * | 2004-02-13 | 2004-02-13 | Ericsson Telefon Ab L M | Adaptive MIMO architecture |
CN101651880B (zh) * | 2008-08-11 | 2013-12-25 | 株式会社Ntt都科摩 | 多小区协作发送方法 |
US20100074183A1 (en) * | 2008-09-25 | 2010-03-25 | Texas Instruments Incorporated | Mode switching for a downlink coordinated multipoint communication |
KR100964438B1 (ko) * | 2008-12-19 | 2010-06-16 | 성균관대학교산학협력단 | 효과적인 다중 셀 간섭 제어 서비스 방법 및 그 장치 |
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-
2010
- 2010-10-05 WO PCT/KR2010/006792 patent/WO2011046317A2/ko active Application Filing
- 2010-10-05 EP EP10823556.5A patent/EP2490345B1/en not_active Not-in-force
- 2010-10-05 US US13/497,248 patent/US8665817B2/en not_active Expired - Fee Related
- 2010-10-05 KR KR1020127006375A patent/KR101753589B1/ko active IP Right Grant
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US20090046801A1 (en) * | 2007-08-14 | 2009-02-19 | Interdigital Technology Corporation | Method and apparatus for creating a multi-user mimo codebook using a single user mimo codebook |
KR20090106975A (ko) * | 2008-04-07 | 2009-10-12 | 엘지전자 주식회사 | Mimo 시스템에서 모드 적응 방법 |
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Q. WANG ET AL.: "Coordinated Multiple Points Transmission for LTE-Advanced Systems", 5TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, 26 September 2009 (2009-09-26), pages 1 - 4, XP008154365 * |
See also references of EP2490345A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP2490345B1 (en) | 2019-04-17 |
EP2490345A4 (en) | 2017-03-29 |
WO2011046317A2 (ko) | 2011-04-21 |
KR20120112370A (ko) | 2012-10-11 |
US20120189077A1 (en) | 2012-07-26 |
EP2490345A2 (en) | 2012-08-22 |
US8665817B2 (en) | 2014-03-04 |
KR101753589B1 (ko) | 2017-07-04 |
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