CN106464459A - 一种数据传输方法和装置 - Google Patents
一种数据传输方法和装置 Download PDFInfo
- Publication number
- CN106464459A CN106464459A CN201480077417.6A CN201480077417A CN106464459A CN 106464459 A CN106464459 A CN 106464459A CN 201480077417 A CN201480077417 A CN 201480077417A CN 106464459 A CN106464459 A CN 106464459A
- Authority
- CN
- China
- Prior art keywords
- precoding matrix
- value
- layers
- antenna ports
- determining
- 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
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
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
- H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas 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
- H04B7/0413—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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L23/00—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00
-
- 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
- H04L25/03891—Spatial equalizers
-
- 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
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
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)
Abstract
本发明实施例公开了一种数据传输方法、及实现该方法的通信系统实体。UE装置和eNB装置通过根据天线端口数及秩指示的值,计算水平方向和垂直方向预编码矩阵的层数,确定传输使用的预编码矩阵,避免了持续反馈所述水平方向和垂直方向预编码矩阵的层数,节省了信道资源。
Description
PCT国内申请,说明书已公开。
Claims (44)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2014/074073 WO2015143632A1 (zh) | 2014-03-26 | 2014-03-26 | 一种数据传输方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106464459A true CN106464459A (zh) | 2017-02-22 |
CN106464459B CN106464459B (zh) | 2020-02-14 |
Family
ID=54193875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201480077417.6A Active CN106464459B (zh) | 2014-03-26 | 2014-03-26 | 一种数据传输方法和装置 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN106464459B (zh) |
WO (1) | WO2015143632A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110830092A (zh) * | 2018-08-10 | 2020-02-21 | 华为技术有限公司 | 指示预编码矩阵和确定预编码矩阵的方法以及通信装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010147853A2 (en) * | 2009-06-16 | 2010-12-23 | Interdigital Patent Holdings, Inc. | Rank adaptive cyclic shift for demodulation reference signal |
WO2011043497A1 (en) * | 2009-10-06 | 2011-04-14 | Pantech Co., Ltd. | Precoding and feedback channel information in wireless communication system |
CN102412885A (zh) * | 2011-11-25 | 2012-04-11 | 西安电子科技大学 | Lte中的三维波束赋形方法 |
CN103634085A (zh) * | 2012-08-27 | 2014-03-12 | 电信科学技术研究院 | 一种反馈和接收pmi的方法、系统及设备 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102223212B (zh) * | 2010-04-16 | 2014-06-25 | 电信科学技术研究院 | 预编码矩阵索引上报方法和设备 |
-
2014
- 2014-03-26 WO PCT/CN2014/074073 patent/WO2015143632A1/zh active Application Filing
- 2014-03-26 CN CN201480077417.6A patent/CN106464459B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010147853A2 (en) * | 2009-06-16 | 2010-12-23 | Interdigital Patent Holdings, Inc. | Rank adaptive cyclic shift for demodulation reference signal |
WO2011043497A1 (en) * | 2009-10-06 | 2011-04-14 | Pantech Co., Ltd. | Precoding and feedback channel information in wireless communication system |
CN102412885A (zh) * | 2011-11-25 | 2012-04-11 | 西安电子科技大学 | Lte中的三维波束赋形方法 |
CN103634085A (zh) * | 2012-08-27 | 2014-03-12 | 电信科学技术研究院 | 一种反馈和接收pmi的方法、系统及设备 |
Non-Patent Citations (1)
Title |
---|
PENG FEI,ET AL.: ""3D-MIMO codebook aided multiple user pairing scheme in LTE-Advanced systems"", 《THE JOURNAL OF CHINA UNIVERSITY OF POSTS AND TELECOMMUNICATIONS》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110830092A (zh) * | 2018-08-10 | 2020-02-21 | 华为技术有限公司 | 指示预编码矩阵和确定预编码矩阵的方法以及通信装置 |
Also Published As
Publication number | Publication date |
---|---|
CN106464459B (zh) | 2020-02-14 |
WO2015143632A1 (zh) | 2015-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11152979B2 (en) | Method and apparatus for codebook design and signaling | |
US10374672B2 (en) | Method and apparatus for channel state information (CSI) reporting | |
US10432371B2 (en) | Data transmission method, user equipment, and base station | |
JP6038317B2 (ja) | Ri報告を制御するための方法および装置 | |
RU2647694C2 (ru) | Способы и устройства уведомления об информации, отчетности об информации и приема данных | |
US10383120B2 (en) | Device and method of reporting channel information according to beamforming | |
EP2961215A1 (en) | Methods and apparatuses for receiving and sending reference signal, user equipment, and base station | |
WO2017050084A1 (zh) | 信息通知方法及信道状态信息进程的执行方法 | |
US9960829B2 (en) | Channel state information feedback method and apparatus | |
US9781740B2 (en) | Method and device for scheduling resource in coordinated multi-point transmission | |
CN102017448A (zh) | 用于向无线电站用信令告知资源的方法及用于此的无线电站 | |
KR20180112796A (ko) | 채널 상태 정보(csi) 보고 방법 및 장치 | |
US10194455B2 (en) | Method for feeding back channel quality indicator, and method and apparatus for sending resource scheduling information | |
US10063403B2 (en) | Method of adjusting modulation and coding scheme | |
EP2717637A1 (en) | Transmission method for multiple user multiple input multiple output, user equipment and base station thereof | |
US11082108B2 (en) | Channel state information transmission method, access network device, and terminal device | |
CN104782070B (zh) | 确定预编码矩阵指示的方法、接收设备和发送设备 | |
CN106464459B (zh) | 一种数据传输方法和装置 | |
CN107078778B (zh) | 一种用于传输天线端口配置信息的方法、装置和系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |