CN110326239A - 信号发射方法、信号接收方法、相关设备及系统 - Google Patents

信号发射方法、信号接收方法、相关设备及系统 Download PDF

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Publication number
CN110326239A
CN110326239A CN201780086939.6A CN201780086939A CN110326239A CN 110326239 A CN110326239 A CN 110326239A CN 201780086939 A CN201780086939 A CN 201780086939A CN 110326239 A CN110326239 A CN 110326239A
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signal
spreading code
data
road
modulator
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CN201780086939.6A
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CN110326239B (zh
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余毅
黄远达
李良川
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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
    • 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
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/54—Intensity modulation
    • H04B10/541—Digital intensity or amplitude modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/61—Coherent receivers
    • H04B10/616—Details of the electronic signal processing in coherent optical receivers
    • H04B10/6161—Compensation of chromatic dispersion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)

Abstract

本发明实施例提供了一种信号发射方法、信号接收方法、相关设备及系统，其中，所述信号发射方法包括：生成单波长光载波；将所述单波长光载波分束为波长相同的N路子载波；对应每一路所述子载波生成扩频码，得到N路扩频码；其中，每一路所述扩频码的带宽均小于或者等于预设阈值；将待传输数据信号串并转换为N路子数据信号；根据N路子数据信号和所述N路扩频码，对所述N路子载波进行调制，得到N路调制信号；将所述N路调制信号合路为一路合路信号输出。可以看出，本方案能够降低每一路信号对ENOB的需求，从而能够有效降低DAC的量化噪声和其他电器件的电噪声带来的影响，提升高阶QAM的性能。

Description

PCT国内申请，说明书已公开。

Claims (19)

  1. PCT国内申请，权利要求书已公开。
CN201780086939.6A 2017-03-10 2017-03-10 信号发射方法、信号接收方法、相关设备及系统 Active CN110326239B (zh)

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PCT/CN2017/076341 WO2018161355A1 (zh) 2017-03-10 2017-03-10 信号发射方法、信号接收方法、相关设备及系统

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CN110326239B CN110326239B (zh) 2020-11-17

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EP (1) EP3584969B1 (zh)
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WO2020076924A1 (en) * 2018-10-10 2020-04-16 Kyocera Corporation Cdma based reservation channel transmission in v2v communications
US11075694B2 (en) * 2019-03-04 2021-07-27 Infinera Corporation Frequency division multiple access optical subcarriers
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EP3955566B1 (en) 2020-08-14 2023-06-07 Alpsentek GmbH Image sensor with configurable pixel circuit and method
CN114095056B (zh) * 2021-11-04 2023-07-11 深圳供电局有限公司 数据传输方法、装置、设备及存储介质

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EP3584969A4 (en) 2020-03-11
US20200014418A1 (en) 2020-01-09
CN110326239B (zh) 2020-11-17
EP3584969A1 (en) 2019-12-25
US10911093B2 (en) 2021-02-02
WO2018161355A1 (zh) 2018-09-13
EP3584969B1 (en) 2023-10-04

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