CN112655253A - 信号传输的方法、终端设备和网络设备 - Google Patents

信号传输的方法、终端设备和网络设备 Download PDF

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Publication number
CN112655253A
CN112655253A CN201880097315.9A CN201880097315A CN112655253A CN 112655253 A CN112655253 A CN 112655253A CN 201880097315 A CN201880097315 A CN 201880097315A CN 112655253 A CN112655253 A CN 112655253A
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CN
China
Prior art keywords
dmrs
end device
pdcch
subcarrier
random access
Prior art date
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Pending
Application number
CN201880097315.9A
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English (en)
Inventor
唐海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of CN112655253A publication Critical patent/CN112655253A/zh
Pending legal-status Critical Current

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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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • 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) or DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

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

Abstract

本申请实施例提供了一种信号传输的方法、发射端设备和接收端设备，在可利用资源受限时，可以实现对非授权频段的初始接入子带的NR‑U参考信号做统一的设计，供终端设备解调NR‑U参考信号中的PBCH、PDCCH、PDSCH等信道时按需利用。这种统一设计，有利于非授权频段初始接入子带中对有限时频资源的有效利用，以及对有限LBT成功机会的有效利用。该方法包括：发射端设备在第一子带上向接收端设备发送第一参考信号，所述第一参考信号为用于辅助所述接收端设备估计所述第一子带的信道质量的参考信号。

Description

PCT国内申请，说明书已公开。

Claims (82)

  1. PCT国内申请，权利要求书已公开。
CN201880097315.9A 2018-09-21 2018-09-21 信号传输的方法、终端设备和网络设备 Pending CN112655253A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/107122 WO2020056774A1 (zh) 2018-09-21 2018-09-21 信号传输的方法、终端设备和网络设备

Publications (1)

Publication Number Publication Date
CN112655253A true CN112655253A (zh) 2021-04-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880097315.9A Pending CN112655253A (zh) 2018-09-21 2018-09-21 信号传输的方法、终端设备和网络设备

Country Status (4)

Country Link
US (1) US12052740B2 (zh)
EP (1) EP3855819A4 (zh)
CN (1) CN112655253A (zh)
WO (1) WO2020056774A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112655253A (zh) 2018-09-21 2021-04-13 Oppo广东移动通信有限公司 信号传输的方法、终端设备和网络设备
CN110971353B (zh) * 2018-09-28 2021-12-28 华为技术有限公司 通信方法及装置

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* Cited by examiner, † Cited by third party
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CN102076076B (zh) * 2009-11-20 2015-11-25 夏普株式会社 一种解调参考信号的资源分配通知方法
US9144045B2 (en) * 2011-10-06 2015-09-22 Telefonaktiebolaget L M Ericsson (Publ) Time and frequency synchronization
WO2015172364A1 (zh) * 2014-05-15 2015-11-19 华为技术有限公司 一种基站、用户设备及通信信号的发送、接收方法
EP3136778B1 (en) * 2014-05-16 2020-01-01 Huawei Technologies Co. Ltd. Information processing method, base station, and user equipment
KR101899034B1 (ko) * 2014-07-18 2018-09-14 엘지전자 주식회사 무선 통신 시스템에서 상향링크 데이터의 전송 방법 및 이를 위한 장치
US10129870B2 (en) * 2015-09-01 2018-11-13 Qualcomm Incorporated Separation of control and data subbands in unlicensed spectrum
CN106572506B (zh) * 2015-10-13 2021-03-30 华为技术有限公司 一种子带切换的方法、设备及系统
CN116170264A (zh) * 2016-03-03 2023-05-26 北京三星通信技术研究有限公司 基于滤波的信号发送、接收方法及相应的发射机与接收机
EP3496502B1 (en) * 2016-08-05 2025-07-23 LG Electronics Inc. Method for transmitting and receiving signal in wireless communication system supporting unlicensed band, and devices supporting same
CN108023704B (zh) * 2016-11-04 2021-10-26 华为技术有限公司 一种传输参考信号的方法、网络侧设备和用户设备
CN108024348B (zh) * 2016-11-04 2024-05-07 华为技术有限公司 一种载波传输的方法、基站、用户设备和系统
CN108289331B (zh) * 2017-01-09 2021-11-19 华为技术有限公司 一种上行传输方法、终端、网络侧设备
US10187189B2 (en) * 2017-01-13 2019-01-22 Qualcomm Incorporated Reference signal placement within different subbands of the same OFDM symbol
US10554262B2 (en) * 2017-05-12 2020-02-04 Qualcomm Incorporated Cross-sub-band quasi co-location signaling
WO2018227572A1 (en) * 2017-06-16 2018-12-20 Qualcomm Incorporated Frequency selective uplink precoding for new radio
US11218350B2 (en) * 2017-10-09 2022-01-04 Qualcomm Incorporated Downlink demodulation reference signal sharing for short transmission time intervals
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CN118368721A (zh) * 2018-02-13 2024-07-19 交互数字专利控股公司 无线发送接收单元和在无线发送接收单元中实现的方法
RU2747272C1 (ru) * 2018-02-23 2021-05-04 Идак Холдингз, Инк. Система и способ для работы с частью ширины полосы
CN112655253A (zh) 2018-09-21 2021-04-13 Oppo广东移动通信有限公司 信号传输的方法、终端设备和网络设备

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EP3855819A1 (en) 2021-07-28
US20210212079A1 (en) 2021-07-08
EP3855819A4 (en) 2021-08-18
US12052740B2 (en) 2024-07-30
WO2020056774A1 (zh) 2020-03-26

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