CN112166581A - 射频发射机和信号处理方法 - Google Patents

射频发射机和信号处理方法 Download PDF

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Publication number
CN112166581A
CN112166581A CN201880093823.XA CN201880093823A CN112166581A CN 112166581 A CN112166581 A CN 112166581A CN 201880093823 A CN201880093823 A CN 201880093823A CN 112166581 A CN112166581 A CN 112166581A
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China
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signal
frequency
digital
conversion
analog
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CN201880093823.XA
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CN112166581B (zh
Inventor
高鹏
易岷
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN202210436389.9A priority Critical patent/CN114866097A/zh
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    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0416—Circuits with power amplifiers having gain or transmission power control

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Transmitters (AREA)

Abstract

本申请提供了一种射频发射机和信号处理方法，有利于减少失真信号对其他用户或系统的通信干扰。该射频发射机包括：数模转换器(210)、模拟基带处理器(220)和调制器(230)。其中，数据转换器(210)，用于将数字变频信号转换为第一模拟信号，该数字变频信号基于第一频率信号对数字基带信号进行数字变频得到；模拟基带处理器(220)，用于对该第一模拟信号进行滤波以及增益调节，得到第二模拟信号；调制器(230)，用于基于第二频率信号和该第二模拟信号进行上变频，得到射频信号，其中，该第二频率信号根据本振信号与第一频率信号确定。

Description

PCT国内申请，说明书已公开。

Claims (26)

  1. PCT国内申请，权利要求书已公开。
CN201880093823.XA 2018-05-31 2018-05-31 射频发射机和信号处理方法 Active CN112166581B (zh)

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CN202210436389.9A CN114866097A (zh) 2018-05-31 2018-05-31 射频发射机和信号处理方法

Applications Claiming Priority (1)

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PCT/CN2018/089409 WO2019227452A1 (zh) 2018-05-31 2018-05-31 射频发射机和信号处理方法

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EP (1) EP3793148A4 (zh)
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WO (1) WO2019227452A1 (zh)

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WO2023138242A1 (zh) * 2022-01-21 2023-07-27 华为技术有限公司 一种相位测距的方法及相关装置

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US11689226B2 (en) * 2021-03-19 2023-06-27 U-Blox Ag Methods and apparatus for transmitting signals
CN114244380B (zh) * 2021-12-31 2023-12-01 北京航天测控技术有限公司 一种模块化微波信号源系统
US20230238716A1 (en) * 2022-01-26 2023-07-27 Mediatek Inc. Wi-Fi DBDC RF Front-End Circuit Designs

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Also Published As

Publication number Publication date
CN112166581B (zh) 2022-04-29
CN114866097A (zh) 2022-08-05
US11563452B2 (en) 2023-01-24
WO2019227452A1 (zh) 2019-12-05
US20210083699A1 (en) 2021-03-18
EP3793148A4 (en) 2021-05-19
EP3793148A1 (en) 2021-03-17

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