CN104871624A - 解调参考信号的配置、映射方法、信道估计方法和装置 - Google Patents

解调参考信号的配置、映射方法、信道估计方法和装置 Download PDF

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Publication number
CN104871624A
CN104871624A CN201380065918.8A CN201380065918A CN104871624A CN 104871624 A CN104871624 A CN 104871624A CN 201380065918 A CN201380065918 A CN 201380065918A CN 104871624 A CN104871624 A CN 104871624A
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China
Prior art keywords
dmrs
groups
group
ofdm symbol
reference signal
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CN201380065918.8A
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English (en)
Inventor
张磊
王轶
周华
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Fujitsu Ltd
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Fujitsu Ltd
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Publication of CN104871624A publication Critical patent/CN104871624A/zh
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本发明实施例提供了一种解调参考信号的配置、映射方法、信道估计方法和装置，其中，所述方法包括：在一个物理资源块对(PRB pair)中，通过4个正交频分复用(OFDM)符号承载解调参考信号(DMRS)，其中，所述4个OFDM符号被分为两组，每组由两个相邻的OFDM符号组成，且所述两组OFDM符号之间的距离大于5个OFDM符号。通过本发明实施例的方法和装置，可以提高LTE高版本(Release 12及以后版本)中基于DMRS的信道估计性能。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201380065918.8A 2013-01-08 2013-01-08 解调参考信号的配置、映射方法、信道估计方法和装置 Pending CN104871624A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/070202 WO2014107838A1 (zh) 2013-01-08 2013-01-08 解调参考信号的配置、映射方法、信道估计方法和装置

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CN104871624A true CN104871624A (zh) 2015-08-26

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CN201380065918.8A Pending CN104871624A (zh) 2013-01-08 2013-01-08 解调参考信号的配置、映射方法、信道估计方法和装置

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Country Link
US (1) US20150341931A1 (zh)
EP (1) EP2945443A4 (zh)
JP (1) JP2016507958A (zh)
KR (1) KR20150097637A (zh)
CN (1) CN104871624A (zh)
WO (1) WO2014107838A1 (zh)

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CN106922024A (zh) * 2015-12-28 2017-07-04 夏普株式会社 解调参考信令的资源配置方法、基站和用户设备
CN108111266A (zh) * 2017-05-05 2018-06-01 中兴通讯股份有限公司 解调参考信号的配置方法、通信装置及通信节点
CN108282877A (zh) * 2017-01-06 2018-07-13 华为技术有限公司 一种参考信号的配置方法、装置及系统
CN109150461A (zh) * 2017-06-16 2019-01-04 华为技术有限公司 一种发送解调参考信号的方法和装置、解调方法和装置
CN114362903A (zh) * 2017-11-20 2022-04-15 深圳传音控股股份有限公司 解调参考信号的发送方法、接收方法及基站、用户设备

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PT2941080T (pt) 2013-01-25 2018-06-20 Huawei Tech Co Ltd Transmissão de sinais de referência de demodulação num novo tipo de portadora
CN104125186B (zh) * 2013-04-28 2019-08-30 中兴通讯股份有限公司 一种解调参考信号图样信息的选取方法、系统及装置
US10547427B2 (en) * 2015-12-24 2020-01-28 Lg Electronics Inc. Method for transmitting demodulation reference signal in wireless communication system that supports narrow band IoT and apparatus for supporting the same
CN108934074B (zh) * 2017-05-27 2022-04-08 中国移动通信有限公司研究院 一种下行控制信道的配置方法、装置和基站
CN109150447B (zh) * 2017-06-16 2022-09-27 中兴通讯股份有限公司 信息发送、数据解调方法及装置、通信节点、网络侧设备
JP7229159B2 (ja) * 2017-08-10 2023-02-27 三菱電機株式会社 送信装置
CN110035527B (zh) 2018-01-12 2023-11-10 华为技术有限公司 资源指示方法、终端设备和网络设备

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106922024A (zh) * 2015-12-28 2017-07-04 夏普株式会社 解调参考信令的资源配置方法、基站和用户设备
CN108282877A (zh) * 2017-01-06 2018-07-13 华为技术有限公司 一种参考信号的配置方法、装置及系统
US11764928B2 (en) 2017-01-06 2023-09-19 Huawei Technologies Co., Ltd. Reference signal configuration method, apparatus, and system
CN108282877B (zh) * 2017-01-06 2023-12-01 华为技术有限公司 一种参考信号的配置方法、装置及系统
CN108111266A (zh) * 2017-05-05 2018-06-01 中兴通讯股份有限公司 解调参考信号的配置方法、通信装置及通信节点
CN108111266B (zh) * 2017-05-05 2022-08-19 中兴通讯股份有限公司 解调参考信号的配置方法、通信装置及通信节点
CN109150461A (zh) * 2017-06-16 2019-01-04 华为技术有限公司 一种发送解调参考信号的方法和装置、解调方法和装置
CN114362903A (zh) * 2017-11-20 2022-04-15 深圳传音控股股份有限公司 解调参考信号的发送方法、接收方法及基站、用户设备
CN114362903B (zh) * 2017-11-20 2024-04-12 深圳传音控股股份有限公司 解调参考信号的发送方法、接收方法及基站、用户设备

Also Published As

Publication number Publication date
EP2945443A1 (en) 2015-11-18
JP2016507958A (ja) 2016-03-10
EP2945443A4 (en) 2016-07-06
WO2014107838A1 (zh) 2014-07-17
US20150341931A1 (en) 2015-11-26
KR20150097637A (ko) 2015-08-26

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Application publication date: 20150826