WO2020032631A3 - 무선 통신 시스템에서 채널 추정을 수행하기 위한 방법 및 이를 위한 장치 - Google Patents

무선 통신 시스템에서 채널 추정을 수행하기 위한 방법 및 이를 위한 장치 Download PDF

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Publication number
WO2020032631A3
WO2020032631A3 PCT/KR2019/009989 KR2019009989W WO2020032631A3 WO 2020032631 A3 WO2020032631 A3 WO 2020032631A3 KR 2019009989 W KR2019009989 W KR 2019009989W WO 2020032631 A3 WO2020032631 A3 WO 2020032631A3
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WO
WIPO (PCT)
Prior art keywords
dmrs
crs
channel estimation
wireless communication
communication system
Prior art date
Application number
PCT/KR2019/009989
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English (en)
French (fr)
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WO2020032631A2 (ko
Inventor
김재형
김선욱
박창환
신석민
안준기
양석철
황승계
Original Assignee
엘지전자 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to DE112019003997.0T priority Critical patent/DE112019003997T5/de
Priority to CN201980053098.8A priority patent/CN112567700B/zh
Priority to US17/266,949 priority patent/US20210306182A1/en
Publication of WO2020032631A2 publication Critical patent/WO2020032631A2/ko
Publication of WO2020032631A3 publication Critical patent/WO2020032631A3/ko

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Classifications

    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • 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
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]

Landscapes

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

Abstract

본 명세서는 기계 타입 통신(Machine Type Communication, MTC)을 지원하는 무선 통신 시스템에서 단말이 채널을 추정하는 방법을 제공한다. 구체적으로, 단말은 기지국으로부터 셀 특정 참조 신호(Cell Specific Reference Signal: CRS) 및 복조 참조 신호(Dedicated Demodulation Reference Signal: DMRS)의 수신을 위한 구성 정보를 수신하고, 상기 구성 정보에 기초하여 상기 CRS 수신한다. 이후, 단말은 MTC 하향링크 물리 제어 채널(MTC Physical Downlink Control Channel): MPDCCH)을 통해서 상기 DMRS 및 제어 정보를 수신하고, 상기 DMRS 및 상기 CRS에 기초하여 상기 MPDCCH에 대한 채널 추정을 수행하며, 상기 채널 추정에 기반하여 상기 제어 정보를 복조하되, 상기 DMRS는 상기 CRS에 적용된 복수 개의 후보 프리코더(precoder) 중 하나의 프리코더가 적용된다.
PCT/KR2019/009989 2018-08-09 2019-08-08 무선 통신 시스템에서 채널 추정을 수행하기 위한 방법 및 이를 위한 장치 WO2020032631A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112019003997.0T DE112019003997T5 (de) 2018-08-09 2019-08-08 Verfahren zur durchführung der kanalschätzung in einem drahtlosen kommunikationssystem und vorrichtung dafür
CN201980053098.8A CN112567700B (zh) 2018-08-09 2019-08-08 用于在无线通信系统中执行信道估计的方法及其设备
US17/266,949 US20210306182A1 (en) 2018-08-09 2019-08-08 Method for performing channel estimation in wireless communication system and device therefor

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US201862716968P 2018-08-09 2018-08-09
US62/716,968 2018-08-09
KR10-2018-0116636 2018-09-28
KR20180116636 2018-09-28
KR20180133981 2018-11-02
KR10-2018-0133981 2018-11-02
KR10-2019-0018212 2019-02-15
KR20190018212 2019-02-15

Publications (2)

Publication Number Publication Date
WO2020032631A2 WO2020032631A2 (ko) 2020-02-13
WO2020032631A3 true WO2020032631A3 (ko) 2020-03-26

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PCT/KR2019/009989 WO2020032631A2 (ko) 2018-08-09 2019-08-08 무선 통신 시스템에서 채널 추정을 수행하기 위한 방법 및 이를 위한 장치

Country Status (4)

Country Link
US (1) US20210306182A1 (ko)
CN (1) CN112567700B (ko)
DE (1) DE112019003997T5 (ko)
WO (1) WO2020032631A2 (ko)

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Publication number Priority date Publication date Assignee Title
WO2021026728A1 (zh) * 2019-08-12 2021-02-18 Oppo广东移动通信有限公司 数据的传输方法、装置、设备及存储介质
WO2021226860A1 (en) * 2020-05-13 2021-11-18 Qualcomm Incorporated Demodulation reference signal enhancements for control channel repetitions
CN113572709B (zh) * 2021-07-12 2022-05-17 华中科技大学 一种大规模mimo系统中基站端导频辅助信道估计方法和系统
CN114944895B (zh) * 2022-03-15 2023-09-19 上海大学 针对无人机非平稳信道场景的优化导频实现方法
WO2023173433A1 (zh) * 2022-03-18 2023-09-21 北京小米移动软件有限公司 一种信道估计方法/装置/设备及存储介质
WO2024092762A1 (en) * 2022-11-04 2024-05-10 Qualcomm Incorporated Accuracy indication for reference channel state information

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WO2012177047A2 (ko) * 2011-06-22 2012-12-27 엘지전자 주식회사 무선 통신 시스템에서 참조 신호 포트를 할당하는 방법 및 장치
KR20140124358A (ko) * 2012-02-11 2014-10-24 엘지전자 주식회사 채널상태정보를 보고하기 위한 방법, 이를 지원하기 위한 방법 및 이들을 위한 장치
US20150358132A1 (en) * 2014-02-10 2015-12-10 Telefonaktiebolaget L M Ericsson (Publ) Reference Signal Coupling in a Wireless Network

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Also Published As

Publication number Publication date
DE112019003997T5 (de) 2021-04-29
CN112567700B (zh) 2024-04-02
US20210306182A1 (en) 2021-09-30
WO2020032631A2 (ko) 2020-02-13
CN112567700A (zh) 2021-03-26

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