ES2904934T3 - Procedimiento y aparato para habilitar la presentación de informes csi de múltiples resoluciones en sistemas de comunicación inalámbricos avanzados - Google Patents
Procedimiento y aparato para habilitar la presentación de informes csi de múltiples resoluciones en sistemas de comunicación inalámbricos avanzados Download PDFInfo
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- ES2904934T3 ES2904934T3 ES17874595T ES17874595T ES2904934T3 ES 2904934 T3 ES2904934 T3 ES 2904934T3 ES 17874595 T ES17874595 T ES 17874595T ES 17874595 T ES17874595 T ES 17874595T ES 2904934 T3 ES2904934 T3 ES 2904934T3
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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
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
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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
- 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
- H04B7/0456—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
- H04B7/0413—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
- H04B7/0619—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
- H04B7/06—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
- H04B7/0634—Antenna weights or vector/matrix coefficients
-
- 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
-
- 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
- H04B7/10—Polarisation diversity; Directional diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Un equipo de usuario, UE (111-116), para la retroalimentación de información de estado del canal, CSI, en un sistema de comunicación inalámbrica, el UE (111-116), que comprende: un transceptor (310) configurado para recibir, desde una estación base, BS (101-103), información de configuración de retroalimentación CSI para un indicador de matriz de precodificación, PMI, retroalimentación asociada a una matriz de precodificación de combinación lineal, LC, que corresponde a una combinación lineal de una pluralidad de haces L y una pluralidad de coeficientes, en el que: cada uno de la pluralidad de coeficientes comprende al menos un coeficiente de amplitud y un coeficiente de fase, el PMI comprende un primer PMI i1 y un segundo PMI i2 que indican los componentes de banda ancha, WB, y de subbanda, SB, de la matriz de precodificación LC, respectivamente, el primer PMI i1 incluye un primer y un segundo conjuntos de indicadores que indican componentes comunes del BM para todas las capas de al menos una capa y componentes independientes del BM para cada capa de la al menos una capa, respectivamente, y el segundo PMI i2 incluye un conjunto de indicadores que indican componentes SB independientes para cada capa de la al menos una capa, y la al menos una capa se determina en base a un valor υ asociado a un indicador de rango, RI; y al menos un procesador (340) configurado para determinar el primer PMI i1y el segundo PMI i2, en el que el transceptor (310) está configurado además para transmitir, a la BS (101-103), la retroalimentación CSI incluyendo el primer PMI i1y el segundo PMI i2en un canal de enlace ascendente, en el que la información de configuración de la retroalimentación CSI incluye un número de puertos de antena en una primera dirección, N1, y una segunda dirección, N2, un número de haces L, un valor de NPSK, configurado como uno de 4 u 8, para el coeficiente de fase, e información que indique si se realiza una retroalimentación de amplitud WB o una retroalimentación de amplitud WB y SB, en el que los L haces se identifican por las cantidades q1,q2, n1, n2, indicadas por el primer PMI i1 en el que **(Ver fórmula)** , O1 y O2 son factores de sobremuestreo en la primera y segunda dirección, respectivamente, de un libro de códigos DFT con haces DFT O1N1 x O2N2, y en caso de que (N1,N2) = (2,1), n1= [0,1] y n2= [0,0], n1 y n2 no se informan, en caso de que (N1,N2) = (4,1) y L = 4, n1= [0,1,2,3] y n2= [0,0,0,0], no se informa de n1y n2, y en caso de que (N1,N2) = (2,2) y L = 4, n1= [0,0,1,1] y n2=[0,1,0,1], no se informa de n1y n2.
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662426099P | 2016-11-23 | 2016-11-23 | |
US201762444101P | 2017-01-09 | 2017-01-09 | |
US201762447668P | 2017-01-18 | 2017-01-18 | |
US201762504645P | 2017-05-11 | 2017-05-11 | |
US201762538636P | 2017-07-28 | 2017-07-28 | |
US201762539865P | 2017-08-01 | 2017-08-01 | |
US201762543115P | 2017-08-09 | 2017-08-09 | |
US201762543447P | 2017-08-10 | 2017-08-10 | |
US15/796,584 US10200103B2 (en) | 2016-11-23 | 2017-10-27 | Method and apparatus to enable multi-resolution CSI reporting in advanced wireless communication systems |
PCT/KR2017/013354 WO2018097600A1 (en) | 2016-11-23 | 2017-11-22 | Method and apparatus to enable multi-resolution csi reporting in advanced wireless communication systems |
Publications (1)
Publication Number | Publication Date |
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ES2904934T3 true ES2904934T3 (es) | 2022-04-06 |
Family
ID=62144043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES17874595T Active ES2904934T3 (es) | 2016-11-23 | 2017-11-22 | Procedimiento y aparato para habilitar la presentación de informes csi de múltiples resoluciones en sistemas de comunicación inalámbricos avanzados |
Country Status (6)
Country | Link |
---|---|
US (2) | US10200103B2 (es) |
EP (1) | EP3529912B1 (es) |
KR (1) | KR102392749B1 (es) |
CN (2) | CN116366115A (es) |
ES (1) | ES2904934T3 (es) |
WO (1) | WO2018097600A1 (es) |
Families Citing this family (74)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10659118B2 (en) | 2016-04-19 | 2020-05-19 | Samsung Electronics Co., Ltd. | Method and apparatus for explicit CSI reporting in advanced wireless communication systems |
US11025310B2 (en) * | 2017-01-09 | 2021-06-01 | Apple Inc. | Codebook design for new radio (NR) systems |
US10742290B2 (en) * | 2017-04-13 | 2020-08-11 | Samsung Electronics Co., Ltd. | High-resolution CSI reporting based on unequal bit allocation in advanced wireless communication systems |
CN108418612B (zh) | 2017-04-26 | 2019-03-26 | 华为技术有限公司 | 一种指示及确定预编码向量的方法和设备 |
CN116800311A (zh) * | 2017-05-05 | 2023-09-22 | 华为技术有限公司 | 传输预编码矩阵的指示方法和设备 |
US10924163B2 (en) * | 2017-06-06 | 2021-02-16 | Apple Inc. | Codebook subset restriction for CSI |
WO2019028860A1 (en) * | 2017-08-11 | 2019-02-14 | Qualcomm Incorporated | SCALABLE METHOD FOR BEAM SELECTION INDICATION |
US10879973B2 (en) * | 2017-10-02 | 2020-12-29 | Lenovo (Singapore) Pte. Ltd. | Method and apparatus for using a determined compression matrix to form a set of composite beams |
US10305568B1 (en) * | 2017-12-15 | 2019-05-28 | Motorola Mobility Llc | Coding main beam information in CSI codebook |
CN108616346B (zh) | 2018-01-12 | 2019-04-19 | 华为技术有限公司 | 一种用于终端设备能力传输的方法、装置及系统 |
CN109891924B (zh) * | 2018-01-19 | 2020-09-15 | Oppo广东移动通信有限公司 | 一种配置网络切片标识的方法、设备及计算机存储介质 |
US10715275B2 (en) | 2018-05-11 | 2020-07-14 | At&T Intellectual Property I, L.P. | Configuring channel quality indicator for communication service categories in wireless communication systems |
CN110581724B (zh) * | 2018-06-08 | 2020-11-06 | 电信科学技术研究院有限公司 | 信道状态信息反馈方法、预编码矩阵确定方法及装置 |
WO2019237339A1 (en) * | 2018-06-15 | 2019-12-19 | Nec Corporation | Csi reporting for multiple trp transmission/panel |
US10492212B1 (en) | 2018-06-22 | 2019-11-26 | At&T Intellectual Property I, L.P. | Scheduling ultra-reliable low latency communications in wireless communication systems |
CN110635883B (zh) | 2018-06-25 | 2022-09-27 | 中兴通讯股份有限公司 | 信息反馈方法及装置,存储介质,电子装置 |
US11637732B2 (en) * | 2018-07-18 | 2023-04-25 | Samsung Electronics Co., Ltd. | Method and apparatus for high-resolution CSI reporting in advanced wireless communication systems |
CN112514275B (zh) * | 2018-07-27 | 2023-11-28 | Lg 电子株式会社 | 用于在无线通信系统中报告信道状态信息的方法和装置 |
CN110535496B (zh) * | 2018-08-10 | 2022-05-03 | 中兴通讯股份有限公司 | Csi处理及获取方法、装置、设备、系统及存储介质 |
JP6987336B2 (ja) * | 2018-09-14 | 2021-12-22 | シャープ株式会社 | 基地局装置、端末装置および通信方法 |
WO2020061928A1 (en) * | 2018-09-27 | 2020-04-02 | Qualcomm Incorporated | Subband-granularity linear combination for a csi codebook |
WO2020065882A1 (ja) * | 2018-09-27 | 2020-04-02 | 株式会社Nttドコモ | ユーザ端末及び無線通信方法 |
US11223407B2 (en) * | 2018-11-13 | 2022-01-11 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Method and apparatuses for reducing feedback overhead |
US20200162142A1 (en) * | 2018-11-15 | 2020-05-21 | Samsung Electronics Co., Ltd. | Method and apparatus to enable csi reporting in wireless communication systems |
US11888564B2 (en) * | 2018-11-21 | 2024-01-30 | Ntt Docomo, Inc. | Method for quantization of combination coefficients associated with frequency domain compression |
WO2020118549A1 (en) * | 2018-12-12 | 2020-06-18 | Qualcomm Incorporated | Coefficients report for compressed csi feedback |
WO2020118728A1 (zh) * | 2018-12-14 | 2020-06-18 | 华为技术有限公司 | 通信方法及装置 |
WO2020118731A1 (en) * | 2018-12-14 | 2020-06-18 | Qualcomm Incorporated | Channel state information feedback compression |
WO2020124492A1 (en) * | 2018-12-20 | 2020-06-25 | Qualcomm Incorporated | Configurations and feedback schemes for compressed channel state information (csi) |
EP3672096A1 (en) * | 2018-12-22 | 2020-06-24 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Methods and apparatuses for feedback reporting in a wireless communications network |
WO2020132788A1 (en) * | 2018-12-24 | 2020-07-02 | Qualcomm Incorporated | Coefficient determination for measurement report feedback in multi-layer beamformed communications |
WO2020142882A1 (zh) | 2019-01-07 | 2020-07-16 | Oppo广东移动通信有限公司 | 一种码本处理方法、终端设备及网络设备 |
WO2020142974A1 (en) * | 2019-01-10 | 2020-07-16 | Qualcomm Incorporated | Feedback for type ii channel state information |
EP3909142B1 (en) * | 2019-01-11 | 2023-12-27 | Lenovo (Singapore) Pte. Ltd. | Generating a channel state information ("csi") report |
WO2020147025A1 (en) | 2019-01-16 | 2020-07-23 | Qualcomm Incorporated | User equipment override for enhanced type-ii channel state information |
US10992354B2 (en) | 2019-01-17 | 2021-04-27 | Mediatek Singapore Pte. Ltd. | Differential quantization of precoder matrix |
WO2020147104A1 (en) * | 2019-01-18 | 2020-07-23 | Qualcomm Incorporated | Layer-specific coefficient quantity and/or quantization scheme reporting for type ii channel state information compression |
WO2020150936A1 (en) * | 2019-01-23 | 2020-07-30 | Qualcomm Incorporated | Precoder matrix quantization for compressed csi feedback |
WO2020160687A1 (en) * | 2019-02-06 | 2020-08-13 | Qualcomm Incorporated | Reporting rank indication and layer-specific coefficient quantities for type ii channel state information (csi) compression using two-part csi |
US20220182120A1 (en) * | 2019-02-14 | 2022-06-09 | Apple Inc. | Method of type ii csi reporting for multiple spatial layers |
WO2020172768A1 (en) * | 2019-02-25 | 2020-09-03 | Qualcomm Incorporated | Number of non-zero coefficients reporting for type ii csi codebook with frequency compression |
CN109660288B (zh) * | 2019-03-05 | 2022-01-25 | 武汉虹信科技发展有限责任公司 | 一种信息上报方法及装置 |
CN113853757A (zh) * | 2019-03-22 | 2021-12-28 | 苹果公司 | Ii型信道状态信息(csi)的系数报告 |
CN111756417B (zh) * | 2019-03-27 | 2021-05-11 | 电信科学技术研究院有限公司 | 一种信道状态信息反馈方法及装置 |
KR102660181B1 (ko) * | 2019-04-04 | 2024-04-24 | 노키아 테크놀로지스 오와이 | 업링크 제어 정보의 통신 |
EP3954056A4 (en) * | 2019-04-08 | 2022-12-14 | Nokia Technologies Oy | COMMUNICATION EFFICIENCY IMPROVEMENT |
US11277247B2 (en) | 2019-04-10 | 2022-03-15 | Samsung Electronics Co., Ltd. | Method and apparatus to enable CSI reporting in wireless communication systems |
US11381293B2 (en) * | 2019-04-26 | 2022-07-05 | Samsung Electronics Co., Ltd. | Method and apparatus to enable high rank CSI reporting in wireless communication systems |
WO2020220333A1 (zh) * | 2019-04-30 | 2020-11-05 | Oppo广东移动通信有限公司 | 通信方法和设备 |
US10862570B1 (en) * | 2019-05-21 | 2020-12-08 | Qualcomm Incorporated | Methods and apparatus to facilitate adaptive precoder updating for channel state feedback |
EP3973737A4 (en) * | 2019-07-12 | 2022-06-22 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | USER DEVICE AND PROCEDURE FOR EXCLUSION AND SELECTION OF RESOURCES IN A NEW RADIO SIDELINK COMMUNICATION THEREOF |
CN114365425A (zh) * | 2019-07-19 | 2022-04-15 | 株式会社Ntt都科摩 | 终端以及无线通信方法 |
CN114514723B (zh) * | 2019-08-12 | 2024-03-01 | 株式会社Ntt都科摩 | 针对版本16类型ii信道状态信息(csi)的csi省略过程 |
CN110535509A (zh) * | 2019-08-16 | 2019-12-03 | 中兴通讯股份有限公司 | 一种信息反馈和接收方法、装置和存储介质 |
US11463142B2 (en) | 2019-09-06 | 2022-10-04 | Samsung Electronics Co., Ltd. | Method and apparatus for uplink control information omission |
CN112583551B (zh) * | 2019-09-29 | 2022-04-15 | 大唐移动通信设备有限公司 | Ue能力的指示方法、装置、电子设备及存储介质 |
WO2021073543A1 (en) * | 2019-10-14 | 2021-04-22 | Tcl Communication Limited | Channel state information reporting method, base station, and user equipment |
US11582002B2 (en) * | 2019-10-22 | 2023-02-14 | Qualcomm Incorporated | Coordination for partial reciprocity estimation |
EP3813270A1 (en) * | 2019-10-23 | 2021-04-28 | Nokia Solutions and Networks Oy | Coordinated link adaptation and packet scheduling in dynamic spectrum sharing |
CN114762265A (zh) * | 2019-10-29 | 2022-07-15 | 诺基亚技术有限公司 | 将窗口化fd基础映射到用于pmi报告和使用的组合指示 |
KR20210057576A (ko) * | 2019-11-12 | 2021-05-21 | 삼성전자주식회사 | 밀리미터파 대역의 다중 모드 장치를 위한 송수신 방법 및 장치 |
EP4106246A4 (en) * | 2020-02-14 | 2023-01-25 | Huawei Technologies Co., Ltd. | CHANNEL STATE INFORMATION FEEDBACK METHOD AND COMMUNICATION APPARATUS |
KR20210135874A (ko) * | 2020-05-06 | 2021-11-16 | 삼성전자주식회사 | 무선통신 시스템에서 채널 상태 보고 방법 및 장치 |
US11700593B2 (en) * | 2020-05-22 | 2023-07-11 | Qualcomm Incorporated | Frequency-selective single frequency network based on the modified type-II port selection codebook |
CN111669820B (zh) * | 2020-05-27 | 2022-02-11 | 南京邮电大学 | 一种密度峰值异常检测方法及智能无源室内定位方法 |
US11283507B2 (en) * | 2020-07-23 | 2022-03-22 | Samsung Electronics Co., Ltd. | Transmitter beamforming at base station with partial channel information and UE feedback |
CN116391445A (zh) * | 2020-10-14 | 2023-07-04 | 苹果公司 | 基于ue能力的csi报告配置 |
CN116671051A (zh) * | 2020-12-21 | 2023-08-29 | 联想(新加坡)私人有限公司 | 配置信道状态信息报告 |
CN115333586A (zh) * | 2021-05-11 | 2022-11-11 | 大唐移动通信设备有限公司 | 码本指示方法、装置及存储介质 |
CN115441911A (zh) * | 2021-06-01 | 2022-12-06 | 华为技术有限公司 | 通信处理方法和通信处理装置 |
EP4373009A2 (en) * | 2021-07-15 | 2024-05-22 | LG Electronics Inc. | Method and device for transmitting or receiving channel state information in wireless communication system |
CN115694722A (zh) * | 2021-07-30 | 2023-02-03 | 华为技术有限公司 | 一种通信方法及装置 |
US11984948B2 (en) * | 2021-08-05 | 2024-05-14 | Apple Inc. | Methods and apparatus for port selection codebook enhancement |
US11909472B2 (en) | 2021-11-16 | 2024-02-20 | Samsung Electronics Co., Ltd | Method and apparatus for selection of linear combination coefficients for precoding in frequency-selective channels |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2479377B (en) * | 2010-04-07 | 2013-08-14 | Toshiba Res Europ Ltd | Dual indicator scheme for channel state information feedback |
JP5357119B2 (ja) * | 2010-08-16 | 2013-12-04 | 株式会社エヌ・ティ・ティ・ドコモ | 移動端末装置及び無線通信方法 |
KR101863927B1 (ko) | 2010-09-26 | 2018-07-05 | 엘지전자 주식회사 | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 |
US9088323B2 (en) * | 2013-01-09 | 2015-07-21 | Lg Electronics Inc. | Method and apparatus for reporting downlink channel state |
US9143212B2 (en) * | 2013-02-25 | 2015-09-22 | Texas Instruments Incorporated | Codebook sub-sampling for CSI feedback on PUCCH for 4Tx MIMO |
US9401749B2 (en) * | 2013-03-08 | 2016-07-26 | Google Technology Holdings LLC | Method for codebook enhancement for multi-user multiple-input multiple-output systems |
ES2730298T3 (es) * | 2014-01-09 | 2019-11-11 | Huawei Tech Co Ltd | Método de determinación de conjunto de matriz de precodificación, método y aparato de envío de información de indicación de parámetro. |
US20160072562A1 (en) | 2014-09-10 | 2016-03-10 | Samsung Electronics Co., Ltd. | Channel state information reporting with basis expansion for advanced wireless communications systems |
US9654195B2 (en) | 2014-11-17 | 2017-05-16 | Samsung Electronics Co., Ltd. | Methods to calculate linear combination pre-coders for MIMO wireless communication systems |
WO2016080742A1 (en) * | 2014-11-17 | 2016-05-26 | Samsung Electronics Co., Ltd. | Csi feedback for mimo wireless communication systems with polarized active antenna array |
US10020860B2 (en) * | 2014-12-02 | 2018-07-10 | Samsung Electronics Co., Ltd. | Downlink signaling for partially precoded CSI-RS and CSI feedback |
US10505608B2 (en) * | 2015-02-26 | 2019-12-10 | Lg Electronics Inc. | Method for feeding back CSI information in wireless communication system, and apparatus therefor |
WO2016148464A1 (en) * | 2015-03-13 | 2016-09-22 | Samsung Electronics Co., Ltd. | Advanced feedback and reference signal transmissions for mimo wireless communication systems |
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2017
- 2017-10-27 US US15/796,584 patent/US10200103B2/en active Active
- 2017-11-22 KR KR1020197018202A patent/KR102392749B1/ko active IP Right Grant
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EP3529912B1 (en) | 2022-01-05 |
CN109983712A (zh) | 2019-07-05 |
KR102392749B1 (ko) | 2022-04-29 |
CN109983712B (zh) | 2023-04-07 |
US20180145737A1 (en) | 2018-05-24 |
EP3529912A1 (en) | 2019-08-28 |
US20190149214A1 (en) | 2019-05-16 |
US10476572B2 (en) | 2019-11-12 |
KR20190089933A (ko) | 2019-07-31 |
CN116366115A (zh) | 2023-06-30 |
US10200103B2 (en) | 2019-02-05 |
EP3529912A4 (en) | 2019-08-28 |
WO2018097600A1 (en) | 2018-05-31 |
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