CN105684373B - 具有频率偏移校正和匹配滤波器组解码的cpfsk接收机 - Google Patents

具有频率偏移校正和匹配滤波器组解码的cpfsk接收机 Download PDF

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CN105684373B
CN105684373B CN201480033398.7A CN201480033398A CN105684373B CN 105684373 B CN105684373 B CN 105684373B CN 201480033398 A CN201480033398 A CN 201480033398A CN 105684373 B CN105684373 B CN 105684373B
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frequency
filter
carrier frequency
phase
matched
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CN105684373A (zh
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斯韦勒·维驰隆德
爱文德·肖格伦·奥尔森
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Nordic Semiconductor ASA
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2334—Demodulator circuits; Receiver circuits using non-coherent demodulation using filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
    • H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
    • 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
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/148—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using filters, including PLL-type filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/003—Correction of carrier offset at baseband only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0057—Closed loops quadrature phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0085—Signalling arrangements with no special signals for synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • H04L2027/0095—Intermittant signals in a preamble or similar structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Circuits Of Receivers In General (AREA)
CN201480033398.7A 2013-04-12 2014-04-09 具有频率偏移校正和匹配滤波器组解码的cpfsk接收机 Active CN105684373B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1306694.9 2013-04-12
GB1306694.9A GB2512935A (en) 2013-04-12 2013-04-12 Digital Radio Transmissions
PCT/GB2014/051098 WO2014167318A2 (en) 2013-04-12 2014-04-09 Digital radio transmissions

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CN105684373A CN105684373A (zh) 2016-06-15
CN105684373B true CN105684373B (zh) 2020-04-14

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US (1) US9729366B2 (enExample)
EP (1) EP2984802B1 (enExample)
JP (1) JP2016522604A (enExample)
KR (1) KR20150143645A (enExample)
CN (1) CN105684373B (enExample)
GB (1) GB2512935A (enExample)
TW (1) TWI650983B (enExample)
WO (1) WO2014167318A2 (enExample)

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GB2545260A (en) 2015-12-11 2017-06-14 Nordic Semiconductor Asa Signal processing
GB2545489A (en) 2015-12-18 2017-06-21 Nordic Semiconductor Asa Radio communication
GB2557300A (en) 2016-12-05 2018-06-20 Nordic Semiconductor Asa Demodulation
GB201620669D0 (en) * 2016-12-05 2017-01-18 Nordic Semiconductor Asa Digital radio communication
CN108055221B (zh) * 2017-11-22 2020-07-17 西南电子技术研究所（中国电子科技集团公司第十研究所） Cpfsk信号载波频率捕获方法
GB201800101D0 (en) * 2018-01-04 2018-02-21 Nordic Semiconductor Asa Matched-filter radio receiver
GB201806730D0 (en) 2018-04-25 2018-06-06 Nordic Semiconductor Asa Matched filter bank
DE102018220204A1 (de) * 2018-11-23 2020-05-28 Diehl Metering Gmbh Verschleierung von umwelteinflüssen auf den sendeparametern
GB202008616D0 (en) 2020-06-08 2020-07-22 Nordic Semiconductor Asa Frequency offset estimation
GB202009149D0 (en) 2020-06-16 2020-07-29 Nordic Semiconductor Asa Demodulating modulated signals
GB202009141D0 (en) 2020-06-16 2020-07-29 Nordic Semiconductor Asa Demodulating frequency-modulated signals
US12294473B2 (en) * 2020-11-23 2025-05-06 Shenzhen University Signal processing method and related devices
CN112710899B (zh) * 2021-03-29 2021-07-13 国网江西省电力有限公司供电服务管理中心 一种改进增益有限脉冲响应滤波的电网信号频率检测方法
GB2602683B (en) 2021-05-06 2023-03-08 Nordic Semiconductor Asa Radio receiver synchronization
US12439355B2 (en) 2021-05-06 2025-10-07 Nordic Semiconductor Asa Radio receiver synchronization
EP4277218A1 (en) * 2022-05-11 2023-11-15 Nokia Solutions and Networks Oy Frequency offset estimation and reduction
GB202211122D0 (en) 2022-07-29 2022-09-14 Nordic Semiconductor Asa Demodulation
CN117192488B (zh) * 2023-09-01 2024-03-19 扬州宇安电子科技有限公司 一种基于fpga的初始信号处理系统及方法

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CN102316058A (zh) * 2011-03-18 2012-01-11 中国科学院上海微系统与信息技术研究所 非静止轨道卫星dqpsk通信的相干解调装置

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US4490722A (en) * 1982-04-20 1984-12-25 Teledyne Industries, Inc. Radio navigation system
JPH063946B2 (ja) * 1984-05-22 1994-01-12 松下電器産業株式会社 受信装置
US5239585A (en) * 1991-07-30 1993-08-24 Texas Instruments Incorporated Devices, systems, and methods for composite signal decoding
JP2948479B2 (ja) * 1994-07-15 1999-09-13 エヌ・ティ・ティ移動通信網株式会社 移動無線機
SE519682C2 (sv) * 1998-05-26 2003-04-01 Nera Asa Digital demodulator i ett flerkanalssystem
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Publication number Publication date
JP2016522604A (ja) 2016-07-28
GB201306694D0 (en) 2013-05-29
TW201440462A (zh) 2014-10-16
WO2014167318A3 (en) 2014-12-04
EP2984802B1 (en) 2017-12-27
EP2984802A2 (en) 2016-02-17
GB2512935A (en) 2014-10-15
WO2014167318A2 (en) 2014-10-16
US9729366B2 (en) 2017-08-08
CN105684373A (zh) 2016-06-15
KR20150143645A (ko) 2015-12-23
TWI650983B (zh) 2019-02-11
US20160072652A1 (en) 2016-03-10

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