CN109565485A - 解调参考信号的复用方法、装置以及通信系统 - Google Patents

解调参考信号的复用方法、装置以及通信系统 Download PDF

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CN109565485A
CN109565485A CN201680087992.3A CN201680087992A CN109565485A CN 109565485 A CN109565485 A CN 109565485A CN 201680087992 A CN201680087992 A CN 201680087992A CN 109565485 A CN109565485 A CN 109565485A
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demodulation reference
reference signals
frequency resource
user equipment
time
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CN201680087992.3A
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CN109565485B (zh
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张健
王昕�
郤伟
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Fujitsu Ltd
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Fujitsu Ltd
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    • 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
    • H04L27/26035—Maintenance of orthogonality, e.g. for signals exchanged between cells or users, or by using covering codes or sequences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/08—Arrangements for combining channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0003—Code application, i.e. aspects relating to how codes are applied to form multiplexed channels
    • 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
    • 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
    • H04L5/0001—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
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J2013/165—Joint allocation of code together with frequency or time
    • 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
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0016—Time-frequency-code

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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复用方法、装置以及通信系统，所述复用方法包括：使用一个或多个时频资源块传输数据和DM‑RS；其中，每一用户设备或者数据流的DM‑RS占用所述时频资源块的部分频域资源；部分用户设备或者数据流的DM‑RS采用FDM方式被叠加在相同的时域资源上，并且部分用户设备或者数据流的DM‑RS采用CDM方式被叠加在相同的时频资源上。由此，即使在大规模用户设备接入的情况下，也能将DM‑RS复用在既定时频资源内，并且仍然能够保证传输的性能。

Description

PCT国内申请，说明书已公开。

Claims (13)

  1. PCT国内申请，权利要求书已公开。
CN201680087992.3A 2016-08-12 2016-08-12 解调参考信号的复用方法、装置以及通信系统 Active CN109565485B (zh)

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PCT/CN2016/094890 WO2018027910A1 (zh) 2016-08-12 2016-08-12 解调参考信号的复用方法、装置以及通信系统

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US (1) US10911170B2 (zh)
JP (1) JP6816819B2 (zh)
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WO (1) WO2018027910A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN112335194B (zh) * 2018-08-10 2023-07-04 株式会社Ntt都科摩 解调参考信号的资源分配方法和基站
US11658780B2 (en) * 2019-01-09 2023-05-23 Qualcomm Incorporated Demodulation reference signal multiplexing scheme selection for uplink transmission
CN116867068A (zh) * 2022-03-24 2023-10-10 大唐移动通信设备有限公司 一种参考信号传输方法、装置及存储介质

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CN101989970A (zh) * 2009-08-07 2011-03-23 中国移动通信集团公司 一种解调导频信号的发送方法和设备
CN102882566A (zh) * 2011-07-12 2013-01-16 华为技术有限公司 降低多用户mimo系统中传输层间干扰的方法及设备
WO2014127676A1 (zh) * 2013-02-22 2014-08-28 中兴通讯股份有限公司 一种解调参考信号的传输方法及基站、用户设备
WO2015096081A1 (zh) * 2013-12-26 2015-07-02 华为技术有限公司 一种处理数据的方法、装置及系统

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WO2011085509A1 (en) * 2010-01-12 2011-07-21 Telefonaktiebolaget L M Ericsson (Publ) Layer-to dm rs port mapping for lte-advanced
KR101895947B1 (ko) * 2010-01-18 2018-09-07 엘지전자 주식회사 무선 통신 시스템에서 채널 품질 정보를 제공하는 방법 및 장치
JP5554799B2 (ja) 2012-03-19 2014-07-23 株式会社Ｎｔｔドコモ 無線基地局装置、ユーザ端末、無線通信システム及び無線通信方法
WO2016127309A1 (en) * 2015-02-10 2016-08-18 Qualcomm Incorporated Dmrs enhancement for higher order mu-mimo
US10243713B2 (en) * 2015-03-13 2019-03-26 Qualcomm Incorporated DMRS based DL for low latency
WO2017115948A1 (ko) * 2015-12-31 2017-07-06 엘지전자 주식회사 무선 통신 시스템에서 csi를 보고하는 방법 및 이를 위한 장치
EP3471313A4 (en) * 2016-08-08 2020-02-19 LG Electronics Inc. -1- REFERENCE SIGNAL WITH VARIABLE STRUCTURE

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101989970A (zh) * 2009-08-07 2011-03-23 中国移动通信集团公司 一种解调导频信号的发送方法和设备
CN102882566A (zh) * 2011-07-12 2013-01-16 华为技术有限公司 降低多用户mimo系统中传输层间干扰的方法及设备
WO2014127676A1 (zh) * 2013-02-22 2014-08-28 中兴通讯股份有限公司 一种解调参考信号的传输方法及基站、用户设备
WO2015096081A1 (zh) * 2013-12-26 2015-07-02 华为技术有限公司 一种处理数据的方法、装置及系统

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WO2018027910A1 (zh) 2018-02-15
JP2019532536A (ja) 2019-11-07
US10911170B2 (en) 2021-02-02
JP6816819B2 (ja) 2021-01-20
US20190165873A1 (en) 2019-05-30
CN109565485B (zh) 2021-08-17

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