CN115039350A - 一种数据传输方法及装置 - Google Patents

一种数据传输方法及装置 Download PDF

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Publication number
CN115039350A
CN115039350A CN202080095872.4A CN202080095872A CN115039350A CN 115039350 A CN115039350 A CN 115039350A CN 202080095872 A CN202080095872 A CN 202080095872A CN 115039350 A CN115039350 A CN 115039350A
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CN
China
Prior art keywords
quasi
reference signals
frequency offset
doppler frequency
information
Prior art date
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Pending
Application number
CN202080095872.4A
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English (en)
Inventor
李翔
戴喜增
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.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN115039350A publication Critical patent/CN115039350A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • 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
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems

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

Abstract

本申请公开了一种数据传输方法及装置，可以提高数据传输的准确性。该方法包括：接收一用于指示控制信道或数据信道的准共址信息的指示信息，该准共址信息指示控制信道或数据信道与多个参考信号具有准共址关系。根据与多个参考信号之间的准共址信息进行多普勒频偏估计，得到综合的多普勒频偏估计结果，并基于综合的多普勒频偏估计结果解调来自多个网络设备的控制信道或数据信道。通过将准共址信息与多个参考信号关联，即数据信道或控制信道与多个参考信号存在准共址关系，从而终端设备可以在多径信号存在的情况下，可以根据多个参考信号估计出较准确的信道信息和多普勒频偏，进而可以提高信道估计的精度。

Description

PCT国内申请，说明书已公开。

Claims (21)

  1. PCT国内申请，权利要求书已公开。
CN202080095872.4A 2020-02-10 2020-02-10 一种数据传输方法及装置 Pending CN115039350A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/074670 WO2021159258A1 (zh) 2020-02-10 2020-02-10 一种数据传输方法及装置

Publications (1)

Publication Number Publication Date
CN115039350A true CN115039350A (zh) 2022-09-09

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ID=77293104

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080095872.4A Pending CN115039350A (zh) 2020-02-10 2020-02-10 一种数据传输方法及装置

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EP (1) EP4092925A4 (zh)
JP (1) JP2023513291A (zh)
CN (1) CN115039350A (zh)
WO (1) WO2021159258A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220070823A1 (en) * 2020-08-28 2022-03-03 Qualcomm Incorporated Techniques for flexible reference signal patterns in wireless communications systems
CN117676793A (zh) * 2022-08-22 2024-03-08 华为技术有限公司 一种通信方法及设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101917363B (zh) * 2010-08-10 2013-04-24 上海华为技术有限公司 一种多普勒频移的估算方法、装置
WO2013119073A1 (ko) * 2012-02-11 2013-08-15 엘지전자 주식회사 채널상태정보를 보고하기 위한 방법, 이를 지원하기 위한 방법 및 이들을 위한 장치
EP3242416B1 (en) * 2012-02-11 2020-09-02 LG Electronics Inc. Method for receiving downlink data channels in multicell-based wireless communication systems and apparatus for same
WO2017024558A1 (zh) * 2015-08-12 2017-02-16 华为技术有限公司 信道估计方法、基站、用户设备和系统
CN108352865A (zh) * 2015-11-09 2018-07-31 英特尔Ip公司 高速移动场景下用于单频网络的机制
US10644777B2 (en) * 2017-05-05 2020-05-05 Huawei Technologies Co., Ltd. Channel state information reference signal (CSI-RS) for layer-3 (L3) mobility
CN116346299A (zh) * 2017-08-09 2023-06-27 中兴通讯股份有限公司 参考信号配置信息的指示方法、基站及终端
EP3637669B1 (en) * 2018-08-06 2022-02-16 LG Electronics Inc. Method for receiving signal in coreset of wireless communication system, and apparatus using method

Also Published As

Publication number Publication date
JP2023513291A (ja) 2023-03-30
WO2021159258A1 (zh) 2021-08-19
EP4092925A4 (en) 2023-01-11
EP4092925A1 (en) 2022-11-23

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