CN102388628A - 基于克罗内克积的空间信道状态信息反馈的方法和系统 - Google Patents
基于克罗内克积的空间信道状态信息反馈的方法和系统 Download PDFInfo
- Publication number
- CN102388628A CN102388628A CN2011800017562A CN201180001756A CN102388628A CN 102388628 A CN102388628 A CN 102388628A CN 2011800017562 A CN2011800017562 A CN 2011800017562A CN 201180001756 A CN201180001756 A CN 201180001756A CN 102388628 A CN102388628 A CN 102388628A
- Authority
- CN
- China
- Prior art keywords
- csi
- component
- matrix
- index
- ula
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000011159 matrix material Substances 0.000 claims description 69
- 238000007493 shaping process Methods 0.000 claims description 17
- 239000013598 vector Substances 0.000 claims description 14
- 238000011002 quantification Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010295 mobile communication Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 8
- 101150069124 RAN1 gene Proteins 0.000 description 5
- 101100355633 Salmo salar ran gene Proteins 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000005388 cross polarization Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 235000021186 dishes Nutrition 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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
- H04B7/06—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
- 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
- H04B7/06—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
- H04B7/0663—Feedback reduction using vector or matrix manipulations
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
- H04L2025/03802—Signalling on the reverse channel
- H04L2025/03808—Transmission of equaliser coefficients
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (32)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28227510P | 2010-01-12 | 2010-01-12 | |
US61/282,275 | 2010-01-12 | ||
PCT/US2011/020165 WO2011087933A1 (en) | 2010-01-12 | 2011-01-05 | Method and system for spatial channel state information feedback based on a kronecker product |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102388628A true CN102388628A (zh) | 2012-03-21 |
CN102388628B CN102388628B (zh) | 2014-12-24 |
Family
ID=44258507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180001756.2A Active CN102388628B (zh) | 2010-01-12 | 2011-01-05 | 基于克罗内克积的空间信道状态信息反馈的方法和系统 |
Country Status (10)
Country | Link |
---|---|
US (1) | US8488725B2 (zh) |
EP (1) | EP2404455B1 (zh) |
JP (2) | JP2013517647A (zh) |
KR (1) | KR101819078B1 (zh) |
CN (1) | CN102388628B (zh) |
BR (1) | BRPI1106098A2 (zh) |
HK (1) | HK1168494A1 (zh) |
MX (1) | MX2011010548A (zh) |
RU (1) | RU2519332C2 (zh) |
WO (1) | WO2011087933A1 (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103812545A (zh) * | 2012-11-06 | 2014-05-21 | 上海贝尔股份有限公司 | 信道状态信息的反馈方法与装置 |
CN105406911A (zh) * | 2014-09-10 | 2016-03-16 | 三星电子株式会社 | 用于高级无线通信系统的具有基扩展的信道状态信息报告 |
CN106664125A (zh) * | 2014-08-18 | 2017-05-10 | 诺基亚通信公司 | 传输权重向量的克罗内克近似和标量量化 |
WO2019029289A1 (zh) * | 2017-08-10 | 2019-02-14 | 电信科学技术研究院有限公司 | 一种信道状态信息csi反馈方法和资源分配方法及设备 |
WO2020192790A1 (en) * | 2019-03-28 | 2020-10-01 | Huawei Technologies Co., Ltd. | System and method for reduced csi feedback and reporting using tensors and tensor decomposition |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8942306B2 (en) * | 2007-03-07 | 2015-01-27 | Marvell World Trade Ltd. | Codebook selection for transmit beamforming |
US8125884B1 (en) * | 2007-07-11 | 2012-02-28 | Marvell International Ltd. | Apparatus for pre-coding using multiple codebooks and associated methods |
US9300371B1 (en) | 2008-03-07 | 2016-03-29 | Marvell International Ltd. | Beamforming systems and methods |
EP2374221B1 (en) | 2009-01-05 | 2019-09-11 | Marvell World Trade Ltd. | Precoding codebooks for mimo communication systems |
US8699528B2 (en) * | 2009-02-27 | 2014-04-15 | Marvell World Trade Ltd. | Systems and methods for communication using dedicated reference signal (DRS) |
US8917796B1 (en) | 2009-10-19 | 2014-12-23 | Marvell International Ltd. | Transmission-mode-aware rate matching in MIMO signal generation |
CN102550079B (zh) | 2009-11-09 | 2015-10-21 | 马维尔国际贸易有限公司 | 用于经协调的发射系统的非对称反馈 |
JP5637486B2 (ja) * | 2009-12-17 | 2014-12-10 | マーベル ワールド トレード リミテッド | 交差偏波アンテナ用のmimoフィードバックスキーム |
JP5258002B2 (ja) | 2010-02-10 | 2013-08-07 | マーベル ワールド トレード リミテッド | Mimo通信システムにおける装置、移動通信端末、チップセット、およびその方法 |
CN101854236B (zh) * | 2010-04-05 | 2015-04-01 | 中兴通讯股份有限公司 | 一种信道信息反馈方法和系统 |
JP2012100254A (ja) | 2010-10-06 | 2012-05-24 | Marvell World Trade Ltd | Pucchフィードバックのためのコードブックサブサンプリング |
US8798551B2 (en) * | 2011-01-07 | 2014-08-05 | Zte (Usa) Inc. | Method and system for spatial CSI feedback for coordinated multi-point processing (CoMP) |
US9048970B1 (en) | 2011-01-14 | 2015-06-02 | Marvell International Ltd. | Feedback for cooperative multipoint transmission systems |
US8861391B1 (en) | 2011-03-02 | 2014-10-14 | Marvell International Ltd. | Channel feedback for TDM scheduling in heterogeneous networks having multiple cell classes |
CN103548284B (zh) | 2011-03-31 | 2017-07-21 | 马维尔国际贸易有限公司 | 用于协作多点传输的信道反馈 |
CN102938663B (zh) * | 2011-08-15 | 2014-12-17 | 上海贝尔股份有限公司 | 生成交叉极化阵列码本及提供码字索引信息的方法和装置 |
US9054767B2 (en) * | 2011-09-27 | 2015-06-09 | Futurewei Technologies, Inc. | Robust transceiver design |
US9020058B2 (en) | 2011-11-07 | 2015-04-28 | Marvell World Trade Ltd. | Precoding feedback for cross-polarized antennas based on signal-component magnitude difference |
WO2013068916A1 (en) | 2011-11-07 | 2013-05-16 | Marvell World Trade Ltd. | Codebook sub-sampling for frequency-selective precoding feedback |
WO2013068974A1 (en) | 2011-11-10 | 2013-05-16 | Marvell World Trade Ltd. | Differential cqi encoding for cooperative multipoint feedback |
FR2983666B1 (fr) * | 2011-12-01 | 2014-01-03 | Cassidian Sas | Procede d'estimation d'un canal radioelectrique |
US9220087B1 (en) | 2011-12-08 | 2015-12-22 | Marvell International Ltd. | Dynamic point selection with combined PUCCH/PUSCH feedback |
US8902842B1 (en) | 2012-01-11 | 2014-12-02 | Marvell International Ltd | Control signaling and resource mapping for coordinated transmission |
US9143951B2 (en) | 2012-04-27 | 2015-09-22 | Marvell World Trade Ltd. | Method and system for coordinated multipoint (CoMP) communication between base-stations and mobile communication terminals |
EP3651375A1 (en) * | 2012-06-14 | 2020-05-13 | Huawei Technologies Co., Ltd. | Method for determining precoding matrix indicator, user equipment, and base station evolved node b |
CN103795489B (zh) * | 2012-10-29 | 2017-05-24 | 电信科学技术研究院 | 传输编码指示信息和确定预编码矩阵的方法、系统及设备 |
EP2942880B1 (en) | 2013-04-03 | 2020-12-30 | Huawei Technologies Co., Ltd. | Methods and devices for reporting and receiving channel state information |
KR101955679B1 (ko) | 2013-05-10 | 2019-03-07 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 프리코딩 행렬 지시자를 결정하는 방법, 사용자 장비 및 기지국 |
WO2015018030A1 (zh) | 2013-08-08 | 2015-02-12 | 华为技术有限公司 | 确定预编码矩阵指示的方法、接收设备和发送设备 |
US9106284B1 (en) * | 2013-12-05 | 2015-08-11 | Sprint Communications Company L.P. | Antenna system driven in beamforming and MIMO transmission modes |
US10419095B2 (en) * | 2015-01-05 | 2019-09-17 | Lg Electronics Inc. | Method for configuring channel state information using polarization characteristics of antenna in wireless communication system and device therefor |
MX365866B (es) | 2015-01-14 | 2019-06-17 | Ericsson Telefon Ab L M | Señalizacion de restriccion de subconjunto de libro de codigos. |
CN108337026B (zh) * | 2016-11-04 | 2019-03-26 | 华为技术有限公司 | 信息反馈方法、用户设备和网络设备 |
RU2742463C1 (ru) | 2017-08-11 | 2021-02-08 | Телефонактиеболагет Лм Эрикссон (Пабл) | Усовершенствованная сигнализация ограничений по поднаборам таблиц кодирования на основе лучей |
CN110535497B (zh) * | 2018-08-10 | 2022-07-19 | 中兴通讯股份有限公司 | Csi发送、接收方法及其装置、通信节点及存储介质 |
KR102660181B1 (ko) * | 2019-04-04 | 2024-04-24 | 노키아 테크놀로지스 오와이 | 업링크 제어 정보의 통신 |
KR102496501B1 (ko) * | 2021-07-14 | 2023-02-07 | 주식회사 신한에이아이 | 시뮬레이션 데이터를 이용한 자산 배분 정보 산출 방법 및 시뮬레이션 데이터를 이용한 자산 배분 정보 산출 장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101129037A (zh) * | 2005-01-14 | 2008-02-20 | 诺基亚公司 | 经由特征坐标变换的酉矩阵码本的改进Hochwald构造 |
US20080165044A1 (en) * | 2007-01-09 | 2008-07-10 | Mark Kent | Method and system for an efficient channel quantization method for mimo pre-coding systems |
CN101567716A (zh) * | 2009-06-09 | 2009-10-28 | 华中科技大学 | 一种基于部分信道信息反馈的正交随机波束成型传输方法 |
US20090274230A1 (en) * | 2008-05-01 | 2009-11-05 | Futurewei Technologies, Inc. | Progressive Feedback For High Resolution Limited Feedback Wireless Communication |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE513728C2 (sv) * | 1999-03-26 | 2000-10-30 | Goesta Granlund | Förfarande och system för artificiellt seende |
US8320301B2 (en) * | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
US7298805B2 (en) * | 2003-11-21 | 2007-11-20 | Qualcomm Incorporated | Multi-antenna transmission for spatial division multiple access |
KR101050603B1 (ko) * | 2004-06-23 | 2011-07-19 | 삼성전자주식회사 | 무선 통신 시스템에서 다중 안테나를 이용한 패킷 데이터송/수신 장치 및 방법 |
US7362822B2 (en) * | 2004-09-08 | 2008-04-22 | Intel Corporation | Recursive reduction of channel state feedback |
US7778826B2 (en) * | 2005-01-13 | 2010-08-17 | Intel Corporation | Beamforming codebook generation system and associated methods |
US7630886B2 (en) * | 2005-01-14 | 2009-12-08 | Nokia Corporation | Hochwald construction of unitary matrix codebooks via eigen coordinate transformations |
KR101505825B1 (ko) * | 2007-06-21 | 2015-03-25 | 코닌클리케 필립스 엔.브이. | 벡터들을 인코딩하기 위한 방법 |
US20090046807A1 (en) * | 2007-08-16 | 2009-02-19 | Samsung Electronics Co., Ltd. | Method and system for beamforming communication in wireless communication systems |
CN102868498B (zh) * | 2009-06-18 | 2015-12-09 | 华为技术有限公司 | 码本生成方法、数据传输方法及装置 |
US8873650B2 (en) * | 2009-10-12 | 2014-10-28 | Motorola Mobility Llc | Configurable spatial channel information feedback in wireless communication system |
JP5637486B2 (ja) * | 2009-12-17 | 2014-12-10 | マーベル ワールド トレード リミテッド | 交差偏波アンテナ用のmimoフィードバックスキーム |
CN102088340B (zh) * | 2010-01-11 | 2013-04-17 | 电信科学技术研究院 | 一种多天线系统发送、接收信息的方法及装置 |
-
2011
- 2011-01-05 BR BRPI1106098A patent/BRPI1106098A2/pt not_active Application Discontinuation
- 2011-01-05 RU RU2011140623/08A patent/RU2519332C2/ru active
- 2011-01-05 KR KR1020117023653A patent/KR101819078B1/ko active IP Right Grant
- 2011-01-05 MX MX2011010548A patent/MX2011010548A/es active IP Right Grant
- 2011-01-05 WO PCT/US2011/020165 patent/WO2011087933A1/en active Application Filing
- 2011-01-05 CN CN201180001756.2A patent/CN102388628B/zh active Active
- 2011-01-05 JP JP2012548082A patent/JP2013517647A/ja active Pending
- 2011-01-05 US US12/984,969 patent/US8488725B2/en active Active
- 2011-01-05 EP EP11733198.3A patent/EP2404455B1/en active Active
-
2012
- 2012-09-19 HK HK12109209.4A patent/HK1168494A1/zh unknown
-
2014
- 2014-09-16 JP JP2014187874A patent/JP5881090B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101129037A (zh) * | 2005-01-14 | 2008-02-20 | 诺基亚公司 | 经由特征坐标变换的酉矩阵码本的改进Hochwald构造 |
US20080165044A1 (en) * | 2007-01-09 | 2008-07-10 | Mark Kent | Method and system for an efficient channel quantization method for mimo pre-coding systems |
US20090274230A1 (en) * | 2008-05-01 | 2009-11-05 | Futurewei Technologies, Inc. | Progressive Feedback For High Resolution Limited Feedback Wireless Communication |
CN101567716A (zh) * | 2009-06-09 | 2009-10-28 | 华中科技大学 | 一种基于部分信道信息反馈的正交随机波束成型传输方法 |
Non-Patent Citations (2)
Title |
---|
KAIBIN HUANG等: "Space Division Multiple Access With a Sum Feedback Rate Constraint", 《IEEE TRANSACTIONS ON SIGNAL PROCESSING》, vol. 55, no. 7, 31 July 2007 (2007-07-31), XP011185823, DOI: doi:10.1109/TSP.2007.894245 * |
MOTOROLA: "Low-Overhead Feedback of Spatial Covariance Matrix", 《3GPP R1-094844》, 13 November 2009 (2009-11-13), pages 2 - 4 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103812545A (zh) * | 2012-11-06 | 2014-05-21 | 上海贝尔股份有限公司 | 信道状态信息的反馈方法与装置 |
CN103812545B (zh) * | 2012-11-06 | 2018-11-16 | 上海诺基亚贝尔股份有限公司 | 信道状态信息的反馈方法与装置 |
CN106664125A (zh) * | 2014-08-18 | 2017-05-10 | 诺基亚通信公司 | 传输权重向量的克罗内克近似和标量量化 |
CN105406911A (zh) * | 2014-09-10 | 2016-03-16 | 三星电子株式会社 | 用于高级无线通信系统的具有基扩展的信道状态信息报告 |
WO2019029289A1 (zh) * | 2017-08-10 | 2019-02-14 | 电信科学技术研究院有限公司 | 一种信道状态信息csi反馈方法和资源分配方法及设备 |
WO2020192790A1 (en) * | 2019-03-28 | 2020-10-01 | Huawei Technologies Co., Ltd. | System and method for reduced csi feedback and reporting using tensors and tensor decomposition |
Also Published As
Publication number | Publication date |
---|---|
JP2013517647A (ja) | 2013-05-16 |
MX2011010548A (es) | 2012-09-28 |
EP2404455A4 (en) | 2012-09-12 |
JP5881090B2 (ja) | 2016-03-09 |
RU2011140623A (ru) | 2013-04-20 |
US20110170638A1 (en) | 2011-07-14 |
RU2519332C2 (ru) | 2014-06-10 |
HK1168494A1 (zh) | 2012-12-28 |
EP2404455A1 (en) | 2012-01-11 |
CN102388628B (zh) | 2014-12-24 |
BRPI1106098A2 (pt) | 2017-06-13 |
EP2404455B1 (en) | 2017-12-20 |
KR20130009921A (ko) | 2013-01-24 |
KR101819078B1 (ko) | 2018-01-16 |
WO2011087933A1 (en) | 2011-07-21 |
US8488725B2 (en) | 2013-07-16 |
JP2015053681A (ja) | 2015-03-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102388628B (zh) | 基于克罗内克积的空间信道状态信息反馈的方法和系统 | |
CN102870362B (zh) | 信道状态信息上报方法及设备 | |
US8761289B2 (en) | MIMO feedback schemes for cross-polarized antennas | |
US8594161B2 (en) | Method and system for beamforming in a multiple user multiple input multiple output (MIMO) communication system using a codebook | |
CN106464334B (zh) | 在多天线无线通信系统中改进的波束成形方法和用于其的装置 | |
JP5591399B2 (ja) | プリコーディング行列を獲得するための方法およびデバイス | |
EP3800798B1 (en) | Information feedback method, user equipment, and network device | |
US9020058B2 (en) | Precoding feedback for cross-polarized antennas based on signal-component magnitude difference | |
US8243582B2 (en) | Feedback for transmit precoding in wireless networks | |
US20130272206A1 (en) | Terminal and base station, method thereof in wireless communication system | |
AU2016207288A1 (en) | Method and apparatus for reduced feedback FD-MIMO | |
CN101834707B (zh) | 一种获取信道状态信息的方法及相应的通信系统 | |
CN103004160A (zh) | 在通信系统中选择波束组和波束子集的装置、方法和计算机程序产品 | |
CN103944621A (zh) | 确定适用于4Tx交叉极化天线配置的两级码本集合的方法 | |
US20150372732A1 (en) | Efficient feedback transmission method in multi-antenna wireless communication system and device for same | |
US20140105316A1 (en) | Method and system for spatial channel state information feedback for multiple-input multiple-output (mimo) | |
CN102696180B (zh) | 空间信道状态反馈方法和装置 | |
CN103493393A (zh) | 用于多输入多输出(mimo)的空间信道状态信息反馈的方法和系统 | |
CN103326812B (zh) | 量化信道状态信息的方法与装置 | |
CN101515906B (zh) | 一种用于数据流与波束之间映射的预编码方法 | |
US10805020B2 (en) | Method and apparatus for implementing framework for enhanced channel feedback | |
CN102130751B (zh) | 一种多天线系统发送/接收信息的方法、系统及装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1168494 Country of ref document: HK |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1168494 Country of ref document: HK |
|
TR01 | Transfer of patent right |
Effective date of registration: 20230831 Address after: Texas, USA Patentee after: Advanced Standard Communications Co.,Ltd. Address before: Texas, USA Patentee before: ZTE (USA) Inc. |
|
TR01 | Transfer of patent right |