ES2831624T3 - Realimentación de CSI MIMO 3D basada en puertos de elevación virtuales - Google Patents
Realimentación de CSI MIMO 3D basada en puertos de elevación virtuales Download PDFInfo
- Publication number
- ES2831624T3 ES2831624T3 ES14746148T ES14746148T ES2831624T3 ES 2831624 T3 ES2831624 T3 ES 2831624T3 ES 14746148 T ES14746148 T ES 14746148T ES 14746148 T ES14746148 T ES 14746148T ES 2831624 T3 ES2831624 T3 ES 2831624T3
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- elevation
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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
-
- 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
- H04B7/0479—Special codebook structures directed to feedback optimisation for multi-dimensional arrays, e.g. horizontal or vertical pre-distortion matrix index [PMI]
-
- 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
- H04B7/0617—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 for beam forming
-
- 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
- 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
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
- H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
-
- 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
- H04W88/08—Access point devices
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2013/071178 WO2014117352A1 (en) | 2013-01-31 | 2013-01-31 | 3d mimo csi feedback based on virtual elevation ports |
| PCT/CN2014/071869 WO2014117748A1 (en) | 2013-01-31 | 2014-02-07 | 3d mimo csi feedback based on virtual elevation ports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2831624T3 true ES2831624T3 (es) | 2021-06-09 |
Family
ID=51261407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES14746148T Active ES2831624T3 (es) | 2013-01-31 | 2014-02-07 | Realimentación de CSI MIMO 3D basada en puertos de elevación virtuales |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9497002B2 (https=) |
| EP (1) | EP2951933B1 (https=) |
| JP (1) | JP6227675B2 (https=) |
| KR (1) | KR101735092B1 (https=) |
| BR (1) | BR112015018024B1 (https=) |
| ES (1) | ES2831624T3 (https=) |
| WO (2) | WO2014117352A1 (https=) |
Families Citing this family (84)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10193665B2 (en) | 2013-03-21 | 2019-01-29 | Texas Instruments Incorporated | Reference signal for 3D MIMO in wireless communication systems |
| US20140295869A1 (en) * | 2013-03-31 | 2014-10-02 | Tejas Networks Limited | Method and System of creating virtual sector within physical sector to avoid the interference and maximize the system throughput |
| WO2014175696A1 (en) * | 2013-04-25 | 2014-10-30 | Samsung Electronics Co., Ltd. | Method and system for acquiring high frequency carrier in a wireless communication network |
| CN105210402B (zh) * | 2013-05-09 | 2018-11-16 | 富士通株式会社 | 移动台和报告方法 |
| CN103825664B (zh) * | 2014-02-21 | 2016-05-18 | 电信科学技术研究院 | 信道状态信息测量方法和装置、以及信号传输方法和装置 |
| KR102169662B1 (ko) * | 2014-03-10 | 2020-10-23 | 삼성전자주식회사 | 무선 통신 시스템에서 빔 결정 장치 및 방법 |
| JP6438203B2 (ja) * | 2014-03-20 | 2018-12-12 | 株式会社Nttドコモ | 基地局及びユーザ装置 |
| JP6121931B2 (ja) | 2014-03-20 | 2017-04-26 | 株式会社Nttドコモ | 移動通信システム、基地局、およびユーザ装置 |
| US10219232B2 (en) * | 2014-04-17 | 2019-02-26 | Samsung Electronics Co., Ltd. | Apparatus and method searching neighboring cells in wireless communication system |
| US10181964B2 (en) * | 2014-05-02 | 2019-01-15 | Lg Electronics Inc. | Method and apparatus for channel estimation |
| WO2016044994A1 (zh) * | 2014-09-23 | 2016-03-31 | 华为技术有限公司 | 波束配置方法、基站及用户设备 |
| CN105517108B (zh) | 2014-09-26 | 2019-03-22 | 电信科学技术研究院 | 一种小区接入方法及装置 |
| CN105530036B (zh) | 2014-09-28 | 2019-04-02 | 电信科学技术研究院 | 信道状态信息反馈方法、设备及系统 |
| CN105530037B (zh) * | 2014-10-24 | 2019-04-19 | 电信科学技术研究院 | 一种信道状态信息的反馈、获取方法及装置 |
| US10476563B2 (en) * | 2014-11-06 | 2019-11-12 | Futurewei Technologies, Inc. | System and method for beam-formed channel state reference signals |
| JP6536159B2 (ja) | 2014-11-20 | 2019-07-03 | 住友電気工業株式会社 | 無線通信装置およびウェイト行列の決定方法 |
| US9621243B2 (en) * | 2014-12-03 | 2017-04-11 | Texas Instruments Incorporated | Method and apparatus for CSI feedback in a MIMO wireless communication system with elevation beamforming |
| WO2016108483A1 (ko) * | 2014-12-30 | 2016-07-07 | 엘지전자(주) | 무선 통신 시스템에서 채널 추정을 수행하기 위한 방법 및 이를 위한 장치 |
| KR102274645B1 (ko) * | 2015-01-19 | 2021-07-07 | 퀄컴 인코포레이티드 | Fd-mimo 를 위한 향상된 csi 피드백 |
| CN105991483B (zh) * | 2015-01-28 | 2020-08-07 | 索尼公司 | 无线通信设备和无线通信方法 |
| CN105991171B (zh) * | 2015-02-15 | 2019-05-10 | 电信科学技术研究院 | 一种三维信道状态信息确定方法及装置 |
| EP3273717A4 (en) * | 2015-03-16 | 2018-11-14 | NTT DoCoMo, Inc. | User device, base station, and communication method |
| US10368354B2 (en) | 2015-03-25 | 2019-07-30 | Lg Electronics Inc. | Channel state information feedback method in multi-antenna wireless communication system and apparatus therefor |
| CN104836647B (zh) * | 2015-04-14 | 2018-05-01 | 北京邮电大学 | 信道状态信息测量方法和装置 |
| CN106160952B (zh) * | 2015-04-17 | 2019-06-25 | 中国移动通信集团公司 | 一种信道信息反馈方法及装置 |
| CN106301490B (zh) * | 2015-05-15 | 2021-08-13 | 索尼公司 | 无线通信系统以及无线通信系统中的装置和方法 |
| US10389509B2 (en) * | 2015-07-30 | 2019-08-20 | Futurewei Technologies, Inc. | Multi-user, full duplex in-band communication in wireless networks |
| US10931342B2 (en) | 2015-08-13 | 2021-02-23 | Samsung Electronics Co., Ltd. | Reference signal measurement method and apparatus for use in mobile communication system |
| US10038530B2 (en) * | 2015-08-14 | 2018-07-31 | Industrial Technology Research Institute | Method of transmitting and receiving CSI-RS and related apparatuses using the same |
| WO2017030300A1 (ko) * | 2015-08-18 | 2017-02-23 | 엘지전자 주식회사 | 무선 통신 시스템에서 코드북을 이용한 빔 스캐닝 수행 방법 |
| CN106470063B (zh) * | 2015-08-21 | 2021-05-04 | 北京三星通信技术研究有限公司 | 信道方向信息的获取方法和设备 |
| WO2017034227A1 (en) * | 2015-08-21 | 2017-03-02 | Samsung Electronics Co., Ltd. | Channel direction information acquisition method and device |
| CN107925458B (zh) * | 2015-08-27 | 2021-12-24 | 英特尔公司 | 利用接收波束成形的波束采集 |
| US10171154B2 (en) | 2015-09-11 | 2019-01-01 | Lg Electronics Inc. | Method for reporting beam index for 3D MIMO transmission in wireless communication system, and device therefor |
| WO2017088896A1 (en) * | 2015-11-23 | 2017-06-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Antenna system configuration |
| EP3391555B1 (en) * | 2015-12-22 | 2023-02-22 | Samsung Electronics Co., Ltd. | Scheme for configuring reference signal and communicating channel state information in a wireless communication system using multiple antenna ports |
| EP3400740A4 (en) | 2016-01-07 | 2019-11-06 | Qualcomm Incorporated | IMPROVED CSI FEEDBACK FOR FD-MIMO |
| WO2017123060A1 (en) * | 2016-01-14 | 2017-07-20 | Samsung Electronics Co., Ltd. | System, method, and apparatus of beam-tracking and beam feedback operation in a beam-forming based system |
| US10602440B2 (en) | 2016-03-07 | 2020-03-24 | Telefonaktiebolabet Lm Ericsson (Publ) | Method and access node for supporting UE as well as a UE and corresponding method carried out by the UE in a wireless communication system |
| JP6542143B2 (ja) * | 2016-03-11 | 2019-07-10 | 株式会社Nttドコモ | 基地局 |
| US10277338B2 (en) | 2016-03-23 | 2019-04-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Efficient scheduling of beam quality measurement signals to multiple wireless devices |
| JP6709492B2 (ja) * | 2016-04-01 | 2020-06-17 | 国立大学法人東北大学 | 送信装置、送信方法及び送信プログラム |
| WO2017173201A1 (en) * | 2016-04-01 | 2017-10-05 | Intel IP Corporation | Csi (channel state information) enhancements for fd (full dimension)-mimo (multiple input multiple output) |
| US11791882B2 (en) | 2016-04-13 | 2023-10-17 | Qualcomm Incorporated | System and method for beam management |
| US10425200B2 (en) | 2016-04-13 | 2019-09-24 | Qualcomm Incorporated | System and method for beam adjustment request |
| US10615862B2 (en) | 2016-04-13 | 2020-04-07 | Qualcomm Incorporated | System and method for beam adjustment request |
| US10237857B2 (en) * | 2016-04-19 | 2019-03-19 | Qualcomm Incorporated | Beam reference signal based narrowband channel measurement and CQI reporting |
| KR20170123960A (ko) * | 2016-04-29 | 2017-11-09 | 삼성전자주식회사 | 다수의 배열 안테나를 사용하는 이동통신 시스템에서 기준신호 설정 및 전송을 위한 방법 및 장치 |
| WO2017193331A1 (en) | 2016-05-12 | 2017-11-16 | Qualcomm Incorporated | Hybrid class b fd-mimo |
| US10651899B2 (en) | 2016-05-26 | 2020-05-12 | Qualcomm Incorporated | System and method for beam switching and reporting |
| US10181891B2 (en) | 2016-05-26 | 2019-01-15 | Qualcomm Incorporated | System and method for beam switching and reporting |
| US10541741B2 (en) * | 2016-05-26 | 2020-01-21 | Qualcomm Incorporated | System and method for beam switching and reporting |
| US10498406B2 (en) | 2016-05-26 | 2019-12-03 | Qualcomm Incorporated | System and method for beam switching and reporting |
| US10382115B2 (en) * | 2016-06-30 | 2019-08-13 | Futurewei Technologies, Inc. | System and method for hybrid beamforming diversity |
| WO2018020078A1 (en) * | 2016-07-26 | 2018-02-01 | Nokia Technologies Oy | Signaling rx/tx beamforming linkage for mimo systems |
| JP7082109B2 (ja) | 2016-08-11 | 2022-06-07 | コンヴィーダ ワイヤレス, エルエルシー | New radioのためのcsiフィードバック設計 |
| WO2018027994A1 (en) * | 2016-08-12 | 2018-02-15 | Qualcomm Incorporated | Techniques for channel state information acquisition in new radio technology |
| WO2018055746A1 (ja) * | 2016-09-23 | 2018-03-29 | 富士通株式会社 | 端末、無線装置、通信システムおよび通信方法 |
| CN108023629A (zh) * | 2016-11-03 | 2018-05-11 | 株式会社Ntt都科摩 | 波束确定方法、下行传输解调方法、用户设备和基站 |
| US10154496B2 (en) * | 2016-11-10 | 2018-12-11 | Futurewei Technologies, Inc. | System and method for beamformed reference signals in three dimensional multiple input multiple output communications systems |
| US10924956B2 (en) * | 2017-01-03 | 2021-02-16 | Lg Electronics Inc. | Beam information reporting method for multi-user MIMO transmission in wireless communication system and apparatus therefor |
| US11140706B2 (en) * | 2017-02-01 | 2021-10-05 | Qualcomm Incorporated | Data transmissions during base station beamsweep |
| US10779273B2 (en) | 2017-03-10 | 2020-09-15 | Qualcomm Incorporated | NR uplink transmit beam selection based on PDCCH/PDSCH receive beams |
| US10602520B2 (en) | 2017-03-24 | 2020-03-24 | Qualcomm Incorporated | Multi-link control beam switching |
| US10484066B2 (en) * | 2017-04-04 | 2019-11-19 | Qualcomm Incorporated | Beam management using synchronization signals through channel feedback framework |
| US11888771B2 (en) | 2017-05-05 | 2024-01-30 | Qualcomm Incorporated | Beam procedure information for channel state information reference signals (CSI-RS) |
| CN109004958B (zh) * | 2017-06-06 | 2021-05-25 | 财团法人工业技术研究院 | 用户设备及其操作方法,网络装置及其操作方法 |
| CN109005548B (zh) * | 2017-06-06 | 2023-09-29 | 华为技术有限公司 | 一种信道质量信息的上报方法及装置 |
| JP6984189B2 (ja) * | 2017-06-14 | 2021-12-17 | ソニーグループ株式会社 | 基地局装置、基地局装置の制御方法、端末装置及び端末装置の制御方法 |
| ES2965197T3 (es) * | 2017-08-01 | 2024-04-11 | Ericsson Telefon Ab L M | Método, estación base y equipo de usuario para seleccionar un conjunto de haces para ser monitorizados por dicho UE |
| CN109391296A (zh) * | 2017-08-11 | 2019-02-26 | 索尼公司 | 用于无线通信的电子设备、方法和介质 |
| CN111771339A (zh) * | 2017-09-19 | 2020-10-13 | 苹果公司 | 波束估计辅助的波束采集 |
| CN109660284A (zh) * | 2017-10-11 | 2019-04-19 | 索尼公司 | 无线通信系统中的电子设备、通信方法和存储介质 |
| EP3718360A4 (en) * | 2017-11-27 | 2021-08-11 | Nokia Technologies Oy | LINK BEAM NOTIFICATION FOR WIRELESS NETWORKS |
| US11284396B2 (en) | 2018-03-19 | 2022-03-22 | Qualcomm Incorporated | Techniques for determining beams for beamforming wireless communications |
| EP4170922A1 (en) * | 2018-05-04 | 2023-04-26 | Telefonaktiebolaget LM ERICSSON (PUBL) | Beam management |
| CN110581727A (zh) | 2018-06-08 | 2019-12-17 | 英国电讯有限公司 | 无线电信网络 |
| JP7248096B2 (ja) * | 2018-07-06 | 2023-03-29 | 日本電気株式会社 | 通信で実行される方法、端末機器及びネットワーク機器 |
| CN110753400A (zh) * | 2018-07-24 | 2020-02-04 | 索尼公司 | 用户设备、电子设备、无线通信方法和存储介质 |
| CN114208050B (zh) | 2019-08-01 | 2023-04-11 | 华为技术有限公司 | 用于多天线网络实体和无线通信装置的自适应克罗内克积mimo预编码及相应方法 |
| WO2022211685A1 (en) * | 2021-03-30 | 2022-10-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatus for identifying a tilt angle for a wireless device |
| KR20230020356A (ko) * | 2021-08-03 | 2023-02-10 | 현대자동차주식회사 | 비-지상 네트워크에서 타이밍 조절을 위한 방법 및 장치 |
| US12126466B2 (en) * | 2022-03-09 | 2024-10-22 | Qualcomm Incorporated | Channel state feedback using demodulation reference signals |
| US12355532B2 (en) * | 2022-08-19 | 2025-07-08 | Samsung Electronics Co., Ltd. | CSI report for spatial domain network adaptation |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101137185B (zh) * | 2007-01-18 | 2010-04-14 | 中兴通讯股份有限公司 | 一种智能天线技术应用于无线通信系统的方法 |
| US8254487B2 (en) * | 2007-08-09 | 2012-08-28 | Samsung Electronics Co., Ltd. | Method and apparatus of codebook-based single-user closed-loop transmit beamforming (SU-CLTB) for OFDM wireless systems |
| US8027703B2 (en) | 2009-02-11 | 2011-09-27 | Amphenol Corporation | Multi-beam antenna with multi-device control unit |
| CN101877608B (zh) | 2010-06-30 | 2015-07-22 | 中兴通讯股份有限公司 | 一种针对协作波束赋型的优化加权csi反馈方法和装置 |
| US8442449B2 (en) * | 2010-11-08 | 2013-05-14 | Telefonaktiebolaget L M Ericsson (Publ) | Receiver and method for reducing an amount of channel state information feedback to a transmitter |
| EP2482582B1 (en) * | 2011-01-26 | 2013-01-16 | Alcatel Lucent | Base station, method of operating a base station, terminal and method of operating a terminal |
| EP2528290A1 (en) * | 2011-05-27 | 2012-11-28 | Alcatel Lucent | Feedback information transmission and scheduling in a radio access network |
| CN102857285B (zh) * | 2011-06-30 | 2017-11-03 | 中兴通讯股份有限公司 | 信道信息反馈方法及装置 |
| CN102938662B (zh) * | 2011-08-15 | 2015-09-16 | 上海贝尔股份有限公司 | 用于3d天线配置的码本设计方法 |
| CN102938688B (zh) * | 2011-08-15 | 2015-05-27 | 上海贝尔股份有限公司 | 用于多维天线阵列的信道测量和反馈的方法和设备 |
| EP2777172B1 (en) * | 2011-11-11 | 2017-03-15 | Telefonaktiebolaget LM Ericsson (publ) | Method, apparatus and system of antenna array dynamic configuration |
| US9059878B2 (en) * | 2012-03-30 | 2015-06-16 | Nokia Solutions And Networks Oy | Codebook feedback method for per-user elevation beamforming |
| US9438321B2 (en) * | 2012-07-12 | 2016-09-06 | Samsung Electronics Co., Ltd. | Methods and apparatus for codebook subset restriction for two-dimensional advanced antenna systems |
| US9473227B2 (en) * | 2012-08-26 | 2016-10-18 | Lg Electronics Inc. | Method and apparatus for transmitting codebook-based signal in wireless communication system |
| CN103684657A (zh) * | 2012-09-03 | 2014-03-26 | 夏普株式会社 | 预编码矩阵构造和索引值反馈方法及相关通信设备 |
| US8942302B2 (en) * | 2012-12-20 | 2015-01-27 | Google Technology Holdings LLC | Method and apparatus for antenna array channel feedback |
| EP2949055A1 (en) * | 2013-01-25 | 2015-12-02 | Interdigital Patent Holdings, Inc. | Methods and apparatus for vertical beamforming |
-
2013
- 2013-01-31 WO PCT/CN2013/071178 patent/WO2014117352A1/en not_active Ceased
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2014
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- 2014-02-07 BR BR112015018024-8A patent/BR112015018024B1/pt active IP Right Grant
- 2014-02-07 JP JP2015555581A patent/JP6227675B2/ja active Active
- 2014-02-07 KR KR1020157023034A patent/KR101735092B1/ko active Active
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|---|---|
| US9497002B2 (en) | 2016-11-15 |
| WO2014117352A1 (en) | 2014-08-07 |
| JP6227675B2 (ja) | 2017-11-08 |
| WO2014117748A1 (en) | 2014-08-07 |
| EP2951933B1 (en) | 2020-08-19 |
| EP2951933A1 (en) | 2015-12-09 |
| KR20150118165A (ko) | 2015-10-21 |
| JP2016511572A (ja) | 2016-04-14 |
| US20160028519A1 (en) | 2016-01-28 |
| BR112015018024A2 (pt) | 2017-07-11 |
| KR101735092B1 (ko) | 2017-05-12 |
| EP2951933A4 (en) | 2016-10-12 |
| BR112015018024B1 (pt) | 2023-03-28 |
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