CN111656742A - 一种信道估计方法和装置 - Google Patents
一种信道估计方法和装置 Download PDFInfo
- Publication number
- CN111656742A CN111656742A CN201980009887.1A CN201980009887A CN111656742A CN 111656742 A CN111656742 A CN 111656742A CN 201980009887 A CN201980009887 A CN 201980009887A CN 111656742 A CN111656742 A CN 111656742A
- Authority
- CN
- China
- Prior art keywords
- frequency
- space
- vector
- matrix
- vectors
- 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
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
- H04B7/0478—Special codebook structures directed to feedback optimisation
-
- 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
- H04L25/0202—Channel estimation
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
-
- 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
- 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
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
-
- 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
- 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
- H04L25/0202—Channel estimation
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
- H04L25/0246—Channel estimation channel estimation algorithms using matrix methods with factorisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
本申请实施例公开了一种信道估计方法和装置,涉及通信技术领域,有助于降低指示开销。该方法可以包括:生成并发送指示信息,指示信息用于指示M个N维预编码向量,每个预编码向量应用于M个频带中的一个频带,M个N维预编码向量构成一个空频矩阵,空频矩阵由多个空频分量矩阵加权合并生成;空频矩阵是一个M×N维空频向量或者X×Y的空频矩阵,其中X和Y分别为M和N之中的一个和另一个,M≥1,N≥2,M和N均是整数。
Description
PCT国内申请,说明书已公开。
Claims (21)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810075250.XA CN110086732B (zh) | 2018-01-25 | 2018-01-25 | 一种信道估计方法和装置 |
CN201810075250X | 2018-01-25 | ||
PCT/CN2019/070904 WO2019144801A1 (zh) | 2018-01-25 | 2019-01-08 | 一种信道估计方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111656742A true CN111656742A (zh) | 2020-09-11 |
CN111656742B CN111656742B (zh) | 2022-02-25 |
Family
ID=67395213
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810075250.XA Active CN110086732B (zh) | 2018-01-25 | 2018-01-25 | 一种信道估计方法和装置 |
CN202010944111.3A Pending CN112165439A (zh) | 2018-01-25 | 2018-01-25 | 一种信道估计方法和装置 |
CN201980009887.1A Active CN111656742B (zh) | 2018-01-25 | 2019-01-08 | 一种信道估计方法和装置 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810075250.XA Active CN110086732B (zh) | 2018-01-25 | 2018-01-25 | 一种信道估计方法和装置 |
CN202010944111.3A Pending CN112165439A (zh) | 2018-01-25 | 2018-01-25 | 一种信道估计方法和装置 |
Country Status (7)
Country | Link |
---|---|
US (4) | US11139869B2 (zh) |
EP (1) | EP3737052A4 (zh) |
JP (1) | JP7046203B2 (zh) |
KR (1) | KR102342608B1 (zh) |
CN (3) | CN110086732B (zh) |
BR (1) | BR112020015087A2 (zh) |
WO (1) | WO2019144801A1 (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110086732B (zh) * | 2018-01-25 | 2020-09-29 | 华为技术有限公司 | 一种信道估计方法和装置 |
CN113271130B (zh) * | 2018-05-11 | 2024-04-09 | 华为技术有限公司 | 信道估计方法和装置 |
CN112636802B (zh) | 2018-10-16 | 2021-11-19 | 华为技术有限公司 | 指示预编码向量的方法和装置、通信装置及计算机可读存储介质 |
CN112583501B (zh) * | 2019-09-30 | 2023-09-22 | 华为技术有限公司 | 信道测量方法和通信装置 |
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 |
CN112751592B (zh) * | 2019-10-29 | 2021-11-19 | 华为技术有限公司 | 上报信道状态信息的方法和通信装置 |
CN114600384B (zh) * | 2019-10-30 | 2023-09-12 | 华为技术有限公司 | 一种信道测量方法和通信装置 |
WO2021179171A1 (zh) * | 2020-03-10 | 2021-09-16 | Oppo广东移动通信有限公司 | 码本反馈方法、网络设备、终端设备及计算机存储介质 |
WO2021189302A1 (zh) * | 2020-03-25 | 2021-09-30 | 华为技术有限公司 | 更新的方法和通信装置 |
WO2023010245A1 (zh) * | 2021-08-02 | 2023-02-09 | Oppo广东移动通信有限公司 | 无线通信的方法、终端和网络设备 |
WO2023245683A1 (zh) * | 2022-06-24 | 2023-12-28 | 北京小米移动软件有限公司 | 基向量类型的指示方法和装置 |
WO2024040610A1 (zh) * | 2022-08-26 | 2024-02-29 | 北京小米移动软件有限公司 | 参数指示方法、装置、设备及存储介质 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070115799A1 (en) * | 2005-10-18 | 2007-05-24 | Pang-An Ting | MIMO-OFDM system and pre-coding and feedback method therein |
CN102882575A (zh) * | 2011-07-13 | 2013-01-16 | 英特尔移动通信科技德累斯顿有限责任公司 | 用于确定信道状态信息的方法和装置 |
US20170302353A1 (en) * | 2016-04-19 | 2017-10-19 | Samsung Electronics Co., Ltd | Method and apparatus for explicit csi reporting in advanced wireless communication systems |
CN107508621A (zh) * | 2012-02-16 | 2017-12-22 | 太阳专利信托公司 | 通信装置、通信方法以及集成电路 |
CN110086732A (zh) * | 2018-01-25 | 2019-08-02 | 华为技术有限公司 | 一种信道估计方法和装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7782970B2 (en) * | 2003-02-27 | 2010-08-24 | Intel Corporation | Apparatus and associated methods to introduce diversity in a multicarrier communication channel |
CN101127747B (zh) | 2006-08-14 | 2010-09-08 | 大唐移动通信设备有限公司 | 一种时分双工复用***中实现频域调度的方法及*** |
US20080095259A1 (en) * | 2006-10-23 | 2008-04-24 | Dyer Justin S | Pre-coding for multiple-input-multiple-output communications |
CN101388699A (zh) * | 2007-09-12 | 2009-03-18 | 夏普株式会社 | 基于空时频域的信息反馈方法和***、用户设备及基站 |
KR101530559B1 (ko) * | 2009-06-04 | 2015-06-22 | 삼성전자 주식회사 | 무선통신 셀룰러 시스템에서 셀간 협력 전송을 위한 피드백 정보 송수신 방법 및 장치 |
CN101997649B (zh) * | 2009-08-21 | 2014-12-10 | 中兴通讯股份有限公司 | 一种基于正交分集的mu-mimo处理方法和装置 |
ES2750869T3 (es) * | 2010-04-07 | 2020-03-27 | Ericsson Telefon Ab L M | Una estructura de precodificador para precodificación MIMO |
EP2985923B1 (en) * | 2013-05-10 | 2019-04-03 | Huawei Technologies Co., Ltd. | Method for determining precoding matrix indicator, user equipment, and base station |
BR112016027908A2 (pt) * | 2014-05-30 | 2017-10-31 | Huawei Tech Co Ltd | método e aparelho para divulgação de informação csi de estado de canal, e antena de estação base. |
US9537552B2 (en) * | 2014-09-12 | 2017-01-03 | Samsung Electronics Co., Ltd. | Method and apparatus for channel state information based on antenna mapping and subsampling |
EP3334055A4 (en) * | 2015-08-24 | 2018-09-26 | Huawei Technologies Co., Ltd. | Precoding information sending and feedback method and apparatus |
KR102525770B1 (ko) * | 2016-06-15 | 2023-04-26 | 삼성전자주식회사 | 무선 통신 시스템에서 단말의 측위를 위한 장치 및 방법 |
CN109429550B (zh) * | 2016-08-05 | 2021-02-09 | 华为技术有限公司 | 数据处理方法、传输控制设备和接收端 |
-
2018
- 2018-01-25 CN CN201810075250.XA patent/CN110086732B/zh active Active
- 2018-01-25 CN CN202010944111.3A patent/CN112165439A/zh active Pending
-
2019
- 2019-01-08 CN CN201980009887.1A patent/CN111656742B/zh active Active
- 2019-01-08 JP JP2020540718A patent/JP7046203B2/ja active Active
- 2019-01-08 EP EP19743932.6A patent/EP3737052A4/en active Pending
- 2019-01-08 KR KR1020207024450A patent/KR102342608B1/ko active IP Right Grant
- 2019-01-08 WO PCT/CN2019/070904 patent/WO2019144801A1/zh unknown
- 2019-01-08 BR BR112020015087-8A patent/BR112020015087A2/pt unknown
-
2020
- 2020-07-24 US US16/938,582 patent/US11139869B2/en active Active
-
2021
- 2021-09-23 US US17/483,419 patent/US11658709B2/en active Active
-
2023
- 2023-04-20 US US18/304,132 patent/US11929801B2/en active Active
-
2024
- 2024-02-13 US US18/440,664 patent/US20240187053A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070115799A1 (en) * | 2005-10-18 | 2007-05-24 | Pang-An Ting | MIMO-OFDM system and pre-coding and feedback method therein |
CN102882575A (zh) * | 2011-07-13 | 2013-01-16 | 英特尔移动通信科技德累斯顿有限责任公司 | 用于确定信道状态信息的方法和装置 |
CN107508621A (zh) * | 2012-02-16 | 2017-12-22 | 太阳专利信托公司 | 通信装置、通信方法以及集成电路 |
US20170302353A1 (en) * | 2016-04-19 | 2017-10-19 | Samsung Electronics Co., Ltd | Method and apparatus for explicit csi reporting in advanced wireless communication systems |
CN110086732A (zh) * | 2018-01-25 | 2019-08-02 | 华为技术有限公司 | 一种信道估计方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
EP3737052A4 (en) | 2021-03-10 |
US20220014241A1 (en) | 2022-01-13 |
CN112165439A (zh) | 2021-01-01 |
EP3737052A1 (en) | 2020-11-11 |
CN111656742B (zh) | 2022-02-25 |
US20240187053A1 (en) | 2024-06-06 |
KR102342608B1 (ko) | 2021-12-22 |
US11139869B2 (en) | 2021-10-05 |
US20200358490A1 (en) | 2020-11-12 |
US20230299820A1 (en) | 2023-09-21 |
US11658709B2 (en) | 2023-05-23 |
BR112020015087A2 (pt) | 2020-12-08 |
CN110086732B (zh) | 2020-09-29 |
KR20200109377A (ko) | 2020-09-22 |
JP2021511747A (ja) | 2021-05-06 |
CN110086732A (zh) | 2019-08-02 |
US11929801B2 (en) | 2024-03-12 |
WO2019144801A1 (zh) | 2019-08-01 |
JP7046203B2 (ja) | 2022-04-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111656742B (zh) | 一种信道估计方法和装置 | |
CN110768700B (zh) | 信道估计方法和装置 | |
CN111510189B (zh) | 信息反馈方法及装置 | |
KR102150316B1 (ko) | 프리코딩 행렬 표시를 위한 피드백 방법 및 장치 | |
US20150318909A1 (en) | Method for feeding back channel state information, method for transmitting channel state information reference signal, ue and base station | |
CN111342912A (zh) | 一种信道测量方法和通信装置 | |
US20190103904A1 (en) | Method and Apparatus for Using a Determined Compression Matrix to Form a Set of Composite Beams | |
CN110474665B (zh) | 信道估计方法和装置 | |
CN111342873A (zh) | 一种信道测量方法和通信装置 | |
US12040855B2 (en) | Frequency time domain channel hardening and overhead reduction | |
CN111713054B (zh) | 通信方法、通信装置和*** | |
EP3806343A1 (en) | Information feedback method, terminal, base station, storage medium and electronic device | |
JP2018514994A (ja) | ビーム情報取得方法、装置及び通信システム | |
CN114710188A (zh) | 一种传输方法及装置 | |
US20170070272A1 (en) | Method and Apparatus for Measuring and Feeding Back Channel Information | |
CN116208201A (zh) | 预编码方法及装置 | |
CN115250139A (zh) | 一种通信方法及相关设备 |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant |