CN115987342A - 用于上行链路(ul)信道相互性的方法、装置、系统和过程 - Google Patents
用于上行链路(ul)信道相互性的方法、装置、系统和过程 Download PDFInfo
- Publication number
- CN115987342A CN115987342A CN202211348340.4A CN202211348340A CN115987342A CN 115987342 A CN115987342 A CN 115987342A CN 202211348340 A CN202211348340 A CN 202211348340A CN 115987342 A CN115987342 A CN 115987342A
- Authority
- CN
- China
- Prior art keywords
- wtru
- precoding
- channel
- beamforming
- information
- 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.)
- Pending
Links
Images
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
- H04B7/0456—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
- H04B7/0417—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
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
-
- 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
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
- H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662373203P | 2016-08-10 | 2016-08-10 | |
| US62/373,203 | 2016-08-10 | ||
| US201662400969P | 2016-09-28 | 2016-09-28 | |
| US62/400,969 | 2016-09-28 | ||
| US201662416476P | 2016-11-02 | 2016-11-02 | |
| US62/416,476 | 2016-11-02 | ||
| US201762445941P | 2017-01-13 | 2017-01-13 | |
| US62/445,941 | 2017-01-13 | ||
| CN201780060464.3A CN109792285B (zh) | 2016-08-10 | 2017-08-03 | 用于上行链路(ul)信道相互性的方法、装置、系统和过程 |
| PCT/US2017/045293 WO2018031367A1 (en) | 2016-08-10 | 2017-08-03 | Methods, apparatus, systems and procedures for uplink (ul) channel reciprocity |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780060464.3A Division CN109792285B (zh) | 2016-08-10 | 2017-08-03 | 用于上行链路(ul)信道相互性的方法、装置、系统和过程 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115987342A true CN115987342A (zh) | 2023-04-18 |
Family
ID=59631870
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211348340.4A Pending CN115987342A (zh) | 2016-08-10 | 2017-08-03 | 用于上行链路(ul)信道相互性的方法、装置、系统和过程 |
| CN201780060464.3A Active CN109792285B (zh) | 2016-08-10 | 2017-08-03 | 用于上行链路(ul)信道相互性的方法、装置、系统和过程 |
| CN202211349032.3A Pending CN115987343A (zh) | 2016-08-10 | 2017-08-03 | 用于上行链路(ul)信道相互性的方法、装置、系统和过程 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780060464.3A Active CN109792285B (zh) | 2016-08-10 | 2017-08-03 | 用于上行链路(ul)信道相互性的方法、装置、系统和过程 |
| CN202211349032.3A Pending CN115987343A (zh) | 2016-08-10 | 2017-08-03 | 用于上行链路(ul)信道相互性的方法、装置、系统和过程 |
Country Status (7)
| Country | Link |
|---|---|
| US (4) | US10826573B2 (https=) |
| EP (1) | EP3497811A1 (https=) |
| JP (3) | JP2019528613A (https=) |
| KR (2) | KR20190050764A (https=) |
| CN (3) | CN115987342A (https=) |
| RU (1) | RU2739395C2 (https=) |
| WO (1) | WO2018031367A1 (https=) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115987342A (zh) | 2016-08-10 | 2023-04-18 | Idac控股公司 | 用于上行链路(ul)信道相互性的方法、装置、系统和过程 |
| WO2018027936A1 (en) * | 2016-08-12 | 2018-02-15 | Qualcomm Incorporated | Uplink multiple-input multiple-output (mimo) scheduling using beamformed reference signals |
| CN113422678B (zh) * | 2016-12-30 | 2025-04-01 | 华为技术有限公司 | 传输上行测量参考信号的方法、装置和系统 |
| KR102373474B1 (ko) * | 2017-03-23 | 2022-03-11 | 삼성전자주식회사 | 무선 통신 시스템에서 데이터를 전송하기 위한 장치 및 방법 |
| CN110771056B (zh) * | 2017-06-14 | 2022-06-03 | 索尼公司 | 操作终端装置和基站的方法、终端装置和基站 |
| CN111108707B (zh) * | 2017-09-22 | 2022-10-18 | 高通股份有限公司 | 用于基于非pmi的csi反馈的信令设计 |
| US11159214B2 (en) * | 2017-12-22 | 2021-10-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Wireless communications system, a radio network node, a machine learning UNT and methods therein for transmission of a downlink signal in a wireless communications network supporting beamforming |
| US10797913B2 (en) * | 2018-01-22 | 2020-10-06 | Samsung Electronics Co., Ltd. | Reciprocity based FDD FD-MIMO DL channel CSI acquisition |
| US10511363B2 (en) * | 2018-05-04 | 2019-12-17 | Samsung Electronics Co., Ltd. | Precoding for advanced wireless communication systems |
| US11329848B2 (en) | 2018-06-13 | 2022-05-10 | Cohere Technologies, Inc. | Reciprocal calibration for channel estimation based on second-order statistics |
| US12081471B2 (en) * | 2018-07-27 | 2024-09-03 | Nec Corporation | Uplink transmission |
| US12278678B2 (en) * | 2018-08-09 | 2025-04-15 | Qualcomm Incorporated | Methods for full duplex beamforming and online calibration in millimeter wave systems |
| MX2021002304A (es) * | 2018-08-29 | 2021-04-28 | Fraunhofer Ges Forschung | Receptor, transmisor, sistema y metodo que emplean precodificacion de retardo espacial. |
| US10588089B1 (en) * | 2018-09-21 | 2020-03-10 | Qualcomm Incorporated | Mitigation of calibration errors |
| US10868605B2 (en) * | 2018-09-26 | 2020-12-15 | Samsung Electronics Co., Ltd. | Method and apparatus for channel state information estimation |
| CN110972324B (zh) * | 2018-09-28 | 2021-09-24 | 上海朗帛通信技术有限公司 | 一种被用于无线通信的基站中的方法和装置 |
| US11394437B2 (en) * | 2018-12-14 | 2022-07-19 | Qualcomm Incorporated | Beamforming codebook adaptation for flexible wireless devices |
| US11569886B2 (en) * | 2019-04-01 | 2023-01-31 | Qualcomm Incorporated | Network-sensitive transmit diversity scheme |
| WO2021026675A1 (en) * | 2019-08-09 | 2021-02-18 | Qualcomm Incorporated | Uplink precoding resource block group for non-codebook based frequency-selective uplink precoding |
| WO2021077336A1 (en) * | 2019-10-23 | 2021-04-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for multi-user multi-antenna transmission |
| CN111130607B (zh) * | 2019-12-26 | 2024-01-23 | 中兴通讯股份有限公司 | 上行传输、信号接收方法、装置、终端、服务节点及介质 |
| US11490452B2 (en) * | 2020-01-20 | 2022-11-01 | Rockwell Collins, Inc. | Ad-hoc HF time frequency diversity |
| US11211994B2 (en) | 2020-04-06 | 2021-12-28 | Samsung Electronics Co., Ltd. | Angular sparse channel recovery using history measurements |
| US11616563B2 (en) * | 2020-04-06 | 2023-03-28 | Samsung Electronics Co., Ltd. | Systems and methods for updating beamforming codebooks for angle-of-arrival estimation using compressive sensing in wireless communications |
| AU2021293186A1 (en) * | 2020-06-15 | 2023-01-05 | Cohere Technologies, Inc. | Spectral sharing wireless systems |
| US12483904B2 (en) * | 2020-07-20 | 2025-11-25 | Qualcomm Incorporated | Channel state information reporting techniques for wide beams |
| US11283507B2 (en) | 2020-07-23 | 2022-03-22 | Samsung Electronics Co., Ltd. | Transmitter beamforming at base station with partial channel information and UE feedback |
| CN112135288B (zh) * | 2020-09-17 | 2025-03-11 | 中兴通讯股份有限公司 | 信号传输方法、装置、接入节点、处理单元、系统及介质 |
| US20220094414A1 (en) * | 2020-09-18 | 2022-03-24 | Qualcomm Incorporated | Techniques for transformation of analog beamforming codebooks |
| US11589355B2 (en) * | 2020-11-25 | 2023-02-21 | Qualcomm Incorporated | UE null space report |
| CN116438747B (zh) | 2020-11-27 | 2026-01-16 | 华为技术有限公司 | 通信方法及装置 |
| EP4030634B1 (en) * | 2021-01-14 | 2025-05-14 | Nokia Technologies Oy | Uplink frequency selective precoder |
| US20220278717A1 (en) * | 2021-03-01 | 2022-09-01 | At&T Intellectual Property I, L.P. | Method and system for artificial intelligence (ai)-based monitoring and controlling of network parameters |
| WO2022242820A1 (en) * | 2021-05-17 | 2022-11-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Interference mitigation for full duplex communication |
| CN115442005A (zh) * | 2021-06-03 | 2022-12-06 | 中兴通讯股份有限公司 | 网络节点的控制方法、装置及计算机可读存储介质 |
| US11777568B2 (en) * | 2021-07-23 | 2023-10-03 | Samsung Electronics Co., Ltd. | PMI-based data beam nulling with a CSI report |
| JP7570988B2 (ja) * | 2021-08-11 | 2024-10-22 | Kddi株式会社 | 無線通信の遅延を低減する制御装置、制御方法、及びプログラム |
| US12028132B2 (en) * | 2021-11-12 | 2024-07-02 | Samsung Electronics Co., Ltd. | MIMO transmission apparatus and operating method thereof |
| US12126466B2 (en) * | 2022-03-09 | 2024-10-22 | Qualcomm Incorporated | Channel state feedback using demodulation reference signals |
| CN119072882A (zh) * | 2022-04-29 | 2024-12-03 | 高通股份有限公司 | 无线通信中的上行链路参数预测和指示 |
| WO2024049689A1 (en) * | 2022-09-02 | 2024-03-07 | Apple Inc. | Technologies for beam management using a hybrid beamforming architecture |
| US20240137086A1 (en) * | 2022-10-10 | 2024-04-25 | Nec Laboratories America, Inc. | Distributed hybrid beamforming |
| KR20240092878A (ko) * | 2022-12-15 | 2024-06-24 | 한국과학기술원 | 다수의 사용자를 위한 멀티 에이전트 심층 강화학습을 적용한 간섭 제어 및 하이브리드 빔포밍 방법 및 시스템 |
| CN116321322A (zh) * | 2023-03-30 | 2023-06-23 | 福建北峰通信科技股份有限公司 | 一种实现讲话方无损越区切换的方法 |
| WO2025037698A1 (ko) * | 2023-08-14 | 2025-02-20 | 삼성전자 주식회사 | 무선 통신 시스템에서 채널을 추정하는 방법 및 장치 |
| WO2025093118A1 (en) * | 2023-11-01 | 2025-05-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Device and method for downlink transmission in a mimo system |
Family Cites Families (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1998470B1 (en) * | 2007-05-29 | 2017-02-22 | Samsung Electronics Co., Ltd. | Apparatus and method for beamforming in multiple input multiple output wireless communication system |
| US8798183B2 (en) | 2007-08-13 | 2014-08-05 | Qualcomm Incorporated | Feedback and rate adaptation for MIMO transmission in a time division duplexed (TDD) communication system |
| EP2262307A1 (en) * | 2008-04-04 | 2010-12-15 | Panasonic Corporation | Wireless communication mobile station device and method for using precoding matrix |
| WO2010002772A2 (en) * | 2008-06-30 | 2010-01-07 | Interdigital Patent Holdings, Inc. | Method and apparatus for signaling precoding vectors |
| CN101394251A (zh) * | 2008-07-23 | 2009-03-25 | 中兴通讯股份有限公司 | 秩指示信息的发送方法和装置 |
| GB2467303B (en) | 2008-08-07 | 2012-07-11 | Icera Inc | Feedback in a wireless communication system |
| US20100195748A1 (en) | 2009-02-02 | 2010-08-05 | Samsung Electronics Co., Ltd. | Method and system for reference signal pattern design in resource blocks |
| CN101540631B (zh) | 2009-04-27 | 2014-03-12 | 中兴通讯股份有限公司 | 测量参考信号的多天线发送方法及装置 |
| US9184511B2 (en) * | 2009-07-10 | 2015-11-10 | Futurewei Technologies, Inc. | System and method for downlink channel sounding in wireless communications systems |
| US8472381B1 (en) * | 2009-08-14 | 2013-06-25 | Marvell International Ltd. | Methods and apparatus for antenna spoofing |
| JP5418598B2 (ja) | 2009-09-15 | 2014-02-19 | 富士通株式会社 | 無線通信システム、無線通信装置および無線通信方法 |
| US8605803B2 (en) | 2010-03-15 | 2013-12-10 | Industrial Technology Research Institute | Methods and apparatus for reducing uplink multi-base station interference |
| WO2011131127A1 (zh) * | 2010-04-20 | 2011-10-27 | 中国移动通信集团公司 | 发送与接收信道探测参考信号的方法、装置与系统 |
| CN102244557B (zh) * | 2010-05-12 | 2014-06-11 | 中国移动通信集团公司 | 发送与接收信道探测参考信号的方法及装置 |
| KR101231487B1 (ko) * | 2010-06-03 | 2013-02-07 | (주)휴맥스 | 차분 선부호화 방법 및 그 방법을 지원하는 기지국 |
| KR20120010099A (ko) | 2010-07-22 | 2012-02-02 | 엘지전자 주식회사 | 상향링크 신호를 전송하는 방법 및 이를 위한 장치 |
| US8976770B2 (en) * | 2010-07-27 | 2015-03-10 | Lg Electronics Inc. | Method and device whereby base station allocates nodes to terminal in a semi-static fashion in multi-node system |
| US9014287B2 (en) | 2010-08-24 | 2015-04-21 | Qualcomm Incorporated | Open loop MIMO mode for LTE-A uplink |
| KR20120029338A (ko) * | 2010-09-16 | 2012-03-26 | 엘지전자 주식회사 | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 |
| JP5346970B2 (ja) * | 2011-03-04 | 2013-11-20 | 株式会社エヌ・ティ・ティ・ドコモ | 移動端末装置、無線基地局装置及び無線通信方法 |
| CN102170330B (zh) * | 2011-04-29 | 2017-08-08 | 中兴通讯股份有限公司 | 测量参考信号的发送方法及系统 |
| US9154205B2 (en) * | 2012-04-20 | 2015-10-06 | Lg Electronics Inc. | Method for downlink beamforming in wireless access system and device therefor |
| US9351288B2 (en) * | 2012-06-05 | 2016-05-24 | Samsung Electronics Co., Ltd. | Uplink channel sounding and channel state information estimation in mobile communication systems with multiple antennas |
| ES2756449T3 (es) * | 2012-06-14 | 2020-04-27 | Huawei Tech Co Ltd | Método, equipo de usuario y nodo evolucionado de estación base para determinar un indicador de matriz de precodificación |
| US9769677B2 (en) * | 2012-07-02 | 2017-09-19 | Industrial Technology Research Institute | Method and apparatus for bit-adaptive precoding matrix indicator feedback |
| US9912430B2 (en) * | 2012-07-06 | 2018-03-06 | Samsung Electronics Co. Ltd. | Method and apparatus for channel state information feedback reporting |
| US9596065B2 (en) * | 2012-10-24 | 2017-03-14 | Qualcomm Incorporated | Enhanced SRS transmission for MIMO operation in LTE-A |
| CN103905104B (zh) * | 2012-12-28 | 2017-12-19 | 中兴通讯股份有限公司 | 一种根据探测参考信号的多天线发送方法及终端及基站 |
| KR102043021B1 (ko) * | 2013-04-15 | 2019-11-12 | 삼성전자주식회사 | 이동 통신 시스템에서 빔포밍을 위한 스케쥴링 방법 및 장치 |
| KR102048880B1 (ko) * | 2013-04-29 | 2019-11-26 | 삼성전자주식회사 | 다단 빔포밍 시스템을 위한 통신 방법 및 장치 |
| US9432101B2 (en) * | 2013-06-07 | 2016-08-30 | Google Technology Holdings LLC | Methods for codebook sub-sampling |
| US9532256B2 (en) * | 2013-08-07 | 2016-12-27 | Broadcom Corporation | Receiver-aided multi-user MIMO and coordinated beamforming |
| CN104955061A (zh) * | 2014-03-28 | 2015-09-30 | 华为技术有限公司 | 波束选择方法及基站 |
| US20170311321A1 (en) | 2014-09-25 | 2017-10-26 | Ntt Docomo, Inc. | Base station and user equipment |
| 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 |
| TWI574456B (zh) * | 2014-12-03 | 2017-03-11 | 財團法人工業技術研究院 | 階層式波束成型方法及其基地台與使用者設備 |
| JP2016114696A (ja) | 2014-12-12 | 2016-06-23 | 株式会社リコー | 帯電装置及び画像形成装置 |
| KR20160082466A (ko) * | 2014-12-30 | 2016-07-08 | 한국전자통신연구원 | 다중 사용자 다중 송수신 시스템에서의 빔 포밍 기반 통신 방법 및 이를 지원하는 통신 시스템 |
| WO2016108482A1 (ko) * | 2014-12-30 | 2016-07-07 | 엘지전자(주) | 무선 통신 시스템에서 코드북을 이용하여 프리코딩을 수행하기 위한 방법 및 이를 위한 장치 |
| WO2016114696A1 (en) * | 2015-01-15 | 2016-07-21 | Telefonaktiebolaget Lm Ericsson (Publ) | A wireless device, a radio node, and methods therein |
| CN105991264B (zh) * | 2015-02-03 | 2019-11-26 | 中兴通讯股份有限公司 | 一种测量参考信号的发送方法、设备和系统 |
| US10763925B2 (en) * | 2015-11-11 | 2020-09-01 | Samsung Electronics Co., Ltd. | Method and apparatus for reduced feedback MIMO |
| US10172118B2 (en) * | 2015-12-09 | 2019-01-01 | Qualcomm Incorporated | Decoupled mode for a common uplink burst transmission in a time division duplex subframe structure |
| US20170264346A1 (en) * | 2016-03-09 | 2017-09-14 | Futurewei Technologies, Inc. | System and Method for Communicating in a Wireless Communications System with Precoding |
| CN115987342A (zh) * | 2016-08-10 | 2023-04-18 | Idac控股公司 | 用于上行链路(ul)信道相互性的方法、装置、系统和过程 |
| US10367550B2 (en) * | 2017-04-03 | 2019-07-30 | Cisco Technology, Inc. | Updating precoding matrix for MIMO transmissions |
-
2017
- 2017-08-03 CN CN202211348340.4A patent/CN115987342A/zh active Pending
- 2017-08-03 EP EP17752534.2A patent/EP3497811A1/en active Pending
- 2017-08-03 JP JP2019506682A patent/JP2019528613A/ja active Pending
- 2017-08-03 US US16/323,157 patent/US10826573B2/en active Active
- 2017-08-03 KR KR1020197003852A patent/KR20190050764A/ko not_active Ceased
- 2017-08-03 CN CN201780060464.3A patent/CN109792285B/zh active Active
- 2017-08-03 CN CN202211349032.3A patent/CN115987343A/zh active Pending
- 2017-08-03 WO PCT/US2017/045293 patent/WO2018031367A1/en not_active Ceased
- 2017-08-03 RU RU2019103549A patent/RU2739395C2/ru active
- 2017-08-03 KR KR1020237020294A patent/KR20230093532A/ko not_active Ceased
-
2020
- 2020-09-16 US US17/022,841 patent/US11489563B2/en active Active
-
2022
- 2022-09-22 US US17/950,688 patent/US12052070B2/en active Active
-
2023
- 2023-01-05 JP JP2023000584A patent/JP7473694B2/ja active Active
-
2024
- 2024-04-11 JP JP2024063997A patent/JP7832249B2/ja active Active
- 2024-06-18 US US18/746,374 patent/US20240340045A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| RU2019103549A (ru) | 2020-08-10 |
| JP2023052227A (ja) | 2023-04-11 |
| JP2019528613A (ja) | 2019-10-10 |
| US12052070B2 (en) | 2024-07-30 |
| RU2739395C2 (ru) | 2020-12-23 |
| WO2018031367A1 (en) | 2018-02-15 |
| CN109792285A (zh) | 2019-05-21 |
| US20210006302A1 (en) | 2021-01-07 |
| CN115987343A (zh) | 2023-04-18 |
| CN109792285B (zh) | 2022-11-18 |
| US20240340045A1 (en) | 2024-10-10 |
| RU2019103549A3 (https=) | 2020-10-20 |
| US20190190569A1 (en) | 2019-06-20 |
| US20230032986A1 (en) | 2023-02-02 |
| EP3497811A1 (en) | 2019-06-19 |
| JP7473694B2 (ja) | 2024-04-23 |
| BR112019002672A2 (pt) | 2019-05-14 |
| KR20190050764A (ko) | 2019-05-13 |
| KR20230093532A (ko) | 2023-06-27 |
| US10826573B2 (en) | 2020-11-03 |
| JP7832249B2 (ja) | 2026-03-17 |
| US11489563B2 (en) | 2022-11-01 |
| JP2024096857A (ja) | 2024-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7473694B2 (ja) | アップリンク(ul)チャネル相反性についての方法、装置、システム、および手順 | |
| JP7522150B2 (ja) | 大規模アンテナシステムにおけるチャネル状態情報報告のための方法 | |
| JP6735318B2 (ja) | 多次元アンテナ構成を使用する無線通信 | |
| US9854589B2 (en) | Interference management and interference alignment in wireless networks | |
| JP5934235B2 (ja) | ヘテロジニアスネットワークにおける逐次キャンセルによる干渉軽減のための方法および装置 | |
| JP2014502456A5 (https=) | ||
| TW201242293A (en) | Systems and methods for providing precoding and feedback | |
| US12231265B2 (en) | Methods and apparatus for channel estimation and precoding with incomplete channel observation and channel state information feedback | |
| BR112019002672B1 (pt) | Método de transmissão de enlace ascendente implementado por uma unidade de transmissão/recepção sem fio, e, unidade de transmissão/recepção sem fio | |
| WO2025256517A1 (zh) | 通信方法和通信装置 | |
| WO2026076072A1 (en) | Methods, apparatuses and systems related to enabling csi-based near field spot beams |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240401 Address after: Delaware, USA Applicant after: INTERDIGITAL PATENT HOLDINGS, Inc. Country or region after: U.S.A. Address before: Delaware, USA Applicant before: IDAC HOLDINGS, Inc. Country or region before: U.S.A. |
|
| TA01 | Transfer of patent application right |