CN107852707A - 解调参考信号的传输方法、装置以及通信系统 - Google Patents

解调参考信号的传输方法、装置以及通信系统 Download PDF

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Publication number
CN107852707A
CN107852707A CN201580081851.6A CN201580081851A CN107852707A CN 107852707 A CN107852707 A CN 107852707A CN 201580081851 A CN201580081851 A CN 201580081851A CN 107852707 A CN107852707 A CN 107852707A
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CN
China
Prior art keywords
symbol
subframe
reference signal
demodulated reference
dmrs
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Pending
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CN201580081851.6A
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English (en)
Inventor
周华
郤伟
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Fujitsu Ltd
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Fujitsu Ltd
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Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of CN107852707A publication Critical patent/CN107852707A/zh
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04L5/0078—Timing of allocation
    • H04L5/0085—Timing of allocation when channel conditions change
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]

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

Abstract

一种解调参考信号的传输方法、装置以及通信系统。所述传输方法包括：发送端向接收端发送解调参考信号；其中在每个子帧中传输所述解调参考信号的符号被配置为1个或者多于2个。由此，在每个子帧中配置多于2个的用于传输DMRS的符号，可以增加DMRS的传输密度，满足新业务例如V2X对移动速度的需求；或者在每个子帧中配置单个用于发送DMRS的符号，可以满足慢速移动业务例如Cellular IOT的需求，并且可以减少开销。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN201580081851.6A 2015-08-21 2015-08-21 解调参考信号的传输方法、装置以及通信系统 Pending CN107852707A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/087753 WO2017031625A1 (zh) 2015-08-21 2015-08-21 解调参考信号的传输方法、装置以及通信系统

Publications (1)

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CN107852707A true CN107852707A (zh) 2018-03-27

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US (1) US20180167184A1 (zh)
CN (1) CN107852707A (zh)
WO (1) WO2017031625A1 (zh)

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CN113472491A (zh) * 2020-03-30 2021-10-01 中国电信股份有限公司 数据传输方法、信息交互设备、基站及存储介质

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CN107318086B (zh) * 2016-04-26 2020-03-20 华为技术有限公司 分配时频资源的方法和装置
CN108811106B (zh) * 2017-05-04 2021-05-18 电信科学技术研究院 一种调度传输方法和装置
WO2019203609A1 (ko) * 2018-04-19 2019-10-24 엘지전자 주식회사 무선 통신 시스템에서 dm-rs (demodulation-reference signal) 전송 자원을 통해 dm-rs를 전송하는 방법 및 단말과 상기 dm-rs 전송 자원을 설정하는 방법 및 기지국
CN110417524B (zh) 2018-04-28 2022-02-25 华为技术有限公司 一种传输参数配置方法和装置
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CN113472491A (zh) * 2020-03-30 2021-10-01 中国电信股份有限公司 数据传输方法、信息交互设备、基站及存储介质
CN113472491B (zh) * 2020-03-30 2023-05-02 中国电信股份有限公司 数据传输方法、信息交互设备、基站及存储介质

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