CN1754363A - 自动频率控制电路以及自动频率控制方法 - Google Patents

自动频率控制电路以及自动频率控制方法 Download PDF

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Publication number
CN1754363A
CN1754363A CN200480004970.3A CN200480004970A CN1754363A CN 1754363 A CN1754363 A CN 1754363A CN 200480004970 A CN200480004970 A CN 200480004970A CN 1754363 A CN1754363 A CN 1754363A
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CN
China
Prior art keywords
mentioned
amount
phase rotation
signal
symbol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN200480004970.3A
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English (en)
Chinese (zh)
Inventor
大久保政二
后藤健太郎
佐野裕康
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.)
Mitsubishi Electric Corp
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Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN1754363A publication Critical patent/CN1754363A/zh
Pending legal-status Critical Current

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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
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • 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
    • H04L2027/0028—Correction of carrier offset at passband 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
    • H04L2027/0046—Open loops
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CN200480004970.3A 2004-04-28 2004-04-28 自动频率控制电路以及自动频率控制方法 Pending CN1754363A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2004/006182 WO2005107203A1 (ja) 2004-04-28 2004-04-28 自動周波数制御回路および自動周波数制御方法

Publications (1)

Publication Number Publication Date
CN1754363A true CN1754363A (zh) 2006-03-29

Family

ID=35242033

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200480004970.3A Pending CN1754363A (zh) 2004-04-28 2004-04-28 自动频率控制电路以及自动频率控制方法

Country Status (3)

Country Link
JP (1) JPWO2005107203A1 (ja)
CN (1) CN1754363A (ja)
WO (1) WO2005107203A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102332972A (zh) * 2010-05-31 2012-01-25 索尼公司 相位同步设备、相位同步方法和相位同步程序

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8335438B2 (en) * 2009-10-30 2012-12-18 Fujitsu Limited Estimating frequency offset using a feedback loop

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2986254B2 (ja) * 1991-08-13 1999-12-06 沖電気工業株式会社 Ａｆｃ装置
JP2643792B2 (ja) * 1993-09-14 1997-08-20 日本電気株式会社 復調装置
JPH09266499A (ja) * 1996-01-26 1997-10-07 Oki Electric Ind Co Ltd デジタル復調回路、最大値検出回路及び受信装置
JP2000022613A (ja) * 1998-07-06 2000-01-21 Matsushita Electric Ind Co Ltd 最大比合成ダイバーシティ受信装置
JP3866908B2 (ja) * 2000-07-31 2007-01-10 三菱電機株式会社 無線通信用受信装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102332972A (zh) * 2010-05-31 2012-01-25 索尼公司 相位同步设备、相位同步方法和相位同步程序

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Publication number Publication date
JPWO2005107203A1 (ja) 2008-03-21
WO2005107203A1 (ja) 2005-11-10

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SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication