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CN114631292A - 一种信号发送方法、信号接收方法及装置 - Google Patents

一种信号发送方法、信号接收方法及装置 Download PDF

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Publication number
CN114631292A
CN114631292A CN201980101711.9A CN201980101711A CN114631292A CN 114631292 A CN114631292 A CN 114631292A CN 201980101711 A CN201980101711 A CN 201980101711A CN 114631292 A CN114631292 A CN 114631292A
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time domain
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modulation data
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CN201980101711.9A
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CN114631292B (zh
Inventor
胡远洲
汪凡
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Huawei Technologies Co Ltd
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Huawei Technologies Co 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
    • 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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • 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
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/264—Pulse-shaped multi-carrier, i.e. not using rectangular window
    • H04L27/26412—Filtering over the entire frequency band, e.g. filtered orthogonal frequency-division multiplexing [OFDM]
    • 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
    • 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
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0062—Avoidance of ingress interference, e.g. ham radio channels

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

Abstract

一种信号发送方法、信号接收方法及装置，以解决影响信道估计性能的问题。通过一个或者多个连续的符号上发送参考信号，并在发送参考信号的时域上前后相邻的符号上发送调制数据，发送参考信号符号的前一个发送调制数据的符号和参考信号符号的后一个发送调制数据的符号分别承载的调制数据之和为零或者相同，从而在经过时域滤波后，参考信号不会受到相邻调制数据的干扰，进而可以保证信道估计性能。

Description

PCT国内申请，说明书已公开。

Claims (23)

  1. PCT国内申请，权利要求书已公开。
CN201980101711.9A 2019-10-31 2019-10-31 一种信号发送方法、信号接收方法及装置 Active CN114631292B (zh)

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PCT/CN2019/114758 WO2021081902A1 (zh) 2019-10-31 2019-10-31 一种信号发送方法、信号接收方法及装置

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CN114631292A true CN114631292A (zh) 2022-06-14
CN114631292B CN114631292B (zh) 2024-04-23

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US (1) US12199904B2 (zh)
EP (1) EP4033709A4 (zh)
CN (1) CN114631292B (zh)
WO (1) WO2021081902A1 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115913826A (zh) * 2021-08-05 2023-04-04 华为技术有限公司 一种通信方法及相关装置

Citations (5)

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WO2008007019A2 (fr) * 2006-07-12 2008-01-17 France Telecom Procedes d'emission et de reception d'un signal multiporteuse a modulation oqam, et preamble particulier
CN109150463A (zh) * 2017-06-16 2019-01-04 华为技术有限公司 信息发送、接收方法及装置
CN109474402A (zh) * 2017-09-08 2019-03-15 华为技术有限公司 一种发送、接收物理上行控制信道的方法及设备
CN109802792A (zh) * 2017-11-17 2019-05-24 华为技术有限公司 接收参考信号的方法和发送参考信号的方法
CN110213191A (zh) * 2019-05-30 2019-09-06 哈尔滨工业大学（深圳） Fbmc-oqam定时及信道估计训练序列设计方法

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EP2497309A1 (en) * 2009-11-03 2012-09-12 Nokia Siemens Networks OY Method and apparatus for interference-resistant wireless communications
CN103888406B (zh) * 2014-03-28 2017-02-15 华中科技大学 一种滤波器组多载波系统的数据传输方法
CN106165360B (zh) * 2014-04-08 2019-06-07 杜塞尔多夫华为技术有限公司 用于滤波器组多载波通信的发射机、接收机以及系统
WO2018134850A1 (en) * 2017-01-20 2018-07-26 Wisig Networks Private Limited Method and system for providing code cover to ofdm symbols in multiple user system
EP3605980A4 (en) * 2017-03-23 2020-11-25 NTT DoCoMo, Inc. USER TERMINAL AND WIRELESS COMMUNICATION PROCESS
US10674522B2 (en) * 2017-03-23 2020-06-02 Qualcomm Incorporated Scheduling request for one or more uplink transmissions using narrowband communications
CN110971555B (zh) 2018-09-29 2021-04-20 华为技术有限公司 一种数据传输方法及装置
EP3675444A1 (en) * 2018-12-28 2020-07-01 INTEL Corporation Methods and devices for communications in device-to-device networks

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008007019A2 (fr) * 2006-07-12 2008-01-17 France Telecom Procedes d'emission et de reception d'un signal multiporteuse a modulation oqam, et preamble particulier
CN109150463A (zh) * 2017-06-16 2019-01-04 华为技术有限公司 信息发送、接收方法及装置
CN109474402A (zh) * 2017-09-08 2019-03-15 华为技术有限公司 一种发送、接收物理上行控制信道的方法及设备
CN109802792A (zh) * 2017-11-17 2019-05-24 华为技术有限公司 接收参考信号的方法和发送参考信号的方法
CN110213191A (zh) * 2019-05-30 2019-09-06 哈尔滨工业大学（深圳） Fbmc-oqam定时及信道估计训练序列设计方法

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Publication number Publication date
EP4033709A4 (en) 2022-10-12
WO2021081902A1 (zh) 2021-05-06
CN114631292B (zh) 2024-04-23
US20220329379A1 (en) 2022-10-13
US12199904B2 (en) 2025-01-14
EP4033709A1 (en) 2022-07-27

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