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 PDFInfo
- 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
- Authority
- 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
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Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
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)
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)
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)
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 |
-
2004
- 2004-04-28 JP JP2006519139A patent/JPWO2005107203A1/ja not_active Withdrawn
- 2004-04-28 CN CN200480004970.3A patent/CN1754363A/zh active Pending
- 2004-04-28 WO PCT/JP2004/006182 patent/WO2005107203A1/ja active Application Filing
Cited By (1)
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 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2005107203A1 (ja) | 2008-03-21 |
WO2005107203A1 (ja) | 2005-11-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
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 |