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 PDF

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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
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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
Application number
CN201480077417.6A
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English (en)
Other versions
CN106464459B (zh
Inventor
吴强
张雷鸣
刘建琴
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
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Publication of CN106464459A publication Critical patent/CN106464459A/zh
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Publication of CN106464459B publication Critical patent/CN106464459B/zh
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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)

  1. PCT国内申请，权利要求书已公开。
CN201480077417.6A 2014-03-26 2014-03-26 一种数据传输方法和装置 Active CN106464459B (zh)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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