DE1039710T1 - Schaltung zur trägerrückgewinnung - Google Patents
Schaltung zur trägerrückgewinnungInfo
- Publication number
- DE1039710T1 DE1039710T1 DE1039710T DE98961593T DE1039710T1 DE 1039710 T1 DE1039710 T1 DE 1039710T1 DE 1039710 T DE1039710 T DE 1039710T DE 98961593 T DE98961593 T DE 98961593T DE 1039710 T1 DE1039710 T1 DE 1039710T1
- Authority
- DE
- Germany
- Prior art keywords
- recovery circuit
- carrier recovery
- carrier
- circuit
- recovery
- 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
Links
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
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP09366906A JP3084363B2 (ja) | 1997-12-26 | 1997-12-26 | キャリア再生回路 |
PCT/JP1998/005949 WO1999034569A1 (fr) | 1997-12-26 | 1998-12-25 | Circuit de reproduction de porteuses |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1039710T1 true DE1039710T1 (de) | 2001-04-19 |
Family
ID=18487988
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1039710T Pending DE1039710T1 (de) | 1997-12-26 | 1998-12-25 | Schaltung zur trägerrückgewinnung |
DE69834943T Expired - Lifetime DE69834943T2 (de) | 1997-12-26 | 1998-12-25 | Schaltung zur Trägerrückgewinnung |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69834943T Expired - Lifetime DE69834943T2 (de) | 1997-12-26 | 1998-12-25 | Schaltung zur Trägerrückgewinnung |
Country Status (7)
Country | Link |
---|---|
US (1) | US6700940B1 (de) |
EP (1) | EP1039710B1 (de) |
JP (1) | JP3084363B2 (de) |
CN (1) | CN1099180C (de) |
CA (1) | CA2314877C (de) |
DE (2) | DE1039710T1 (de) |
WO (1) | WO1999034569A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2363377C (en) * | 2000-11-21 | 2005-09-27 | Research In Motion Limited | System and method for inverting automatic frequency control (afc) |
US20050138194A1 (en) * | 2003-12-23 | 2005-06-23 | Texas Instruments Incorporated | Methods and systems for multi-protocol communication |
US20050169261A1 (en) * | 2004-02-03 | 2005-08-04 | Texas Instruments Incorporated | Method of signaling the length of OFDM WLAN packets |
US7710856B2 (en) * | 2004-02-13 | 2010-05-04 | Texas Instruments Incorporated | Methods and systems for implementing a pseudo-noise signaling mechanism in wireless communication |
US8582418B2 (en) * | 2009-10-26 | 2013-11-12 | Electronics And Telecommunications Research Institute | Packet mode auto-detection in multi-mode wireless communication system, signal field transmission for the packet mode auto-detection, and gain control based on the packet mode |
CN111010169B (zh) * | 2018-10-08 | 2024-01-19 | 中兴通讯股份有限公司 | 相位检测方法、装置、存储介质及电子装置 |
KR200497146Y1 (ko) * | 2020-10-30 | 2023-08-11 | 김남두 | 낚시용품 지지대 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5855709B2 (ja) | 1977-05-07 | 1983-12-10 | 三菱電機株式会社 | 位相復調装置 |
JPH07114424B2 (ja) * | 1988-04-15 | 1995-12-06 | 日本電信電話株式会社 | 搬送波同期復調装置 |
EP0526836B1 (de) * | 1991-08-07 | 1997-01-29 | Kabushiki Kaisha Toshiba | QPSK-Demodulator mit automatischer Frequenznachregelung |
JP3300040B2 (ja) * | 1992-07-09 | 2002-07-08 | 富士通株式会社 | 位相不確定除去装置 |
JPH0746218A (ja) * | 1993-07-28 | 1995-02-14 | Sony Corp | ディジタル復調装置 |
US5675572A (en) * | 1993-07-28 | 1997-10-07 | Sony Corporation | Orthogonal frequency division multiplex modulation apparatus and orthogonal frequency division multiplex demodulation apparatus |
JP3276282B2 (ja) | 1995-12-28 | 2002-04-22 | 日本放送協会 | 絶対位相検出器およびディジタル変調波復調装置 |
JPH1056486A (ja) * | 1996-08-09 | 1998-02-24 | Fujitsu Ltd | 復調装置 |
US6285654B1 (en) * | 1996-08-22 | 2001-09-04 | Tellabs Operations, Inc. | Apparatus and method for symbol alignment in a multi-point OFDM or DMT digital communications system |
US5940450A (en) * | 1997-02-28 | 1999-08-17 | Hitachi America, Ltd. | Carrier recovery method and apparatus |
JP3080601B2 (ja) * | 1997-06-06 | 2000-08-28 | 株式会社ケンウッド | 搬送波再生回路 |
-
1997
- 1997-12-26 JP JP09366906A patent/JP3084363B2/ja not_active Expired - Lifetime
-
1998
- 1998-12-25 US US09/581,212 patent/US6700940B1/en not_active Expired - Lifetime
- 1998-12-25 CA CA002314877A patent/CA2314877C/en not_active Expired - Fee Related
- 1998-12-25 WO PCT/JP1998/005949 patent/WO1999034569A1/ja active IP Right Grant
- 1998-12-25 CN CN98812621.4A patent/CN1099180C/zh not_active Expired - Fee Related
- 1998-12-25 DE DE1039710T patent/DE1039710T1/de active Pending
- 1998-12-25 EP EP98961593A patent/EP1039710B1/de not_active Expired - Lifetime
- 1998-12-25 DE DE69834943T patent/DE69834943T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3084363B2 (ja) | 2000-09-04 |
JPH11196147A (ja) | 1999-07-21 |
CA2314877A1 (en) | 1999-07-08 |
DE69834943D1 (de) | 2006-07-27 |
EP1039710A4 (de) | 2005-09-28 |
WO1999034569A1 (fr) | 1999-07-08 |
CN1283354A (zh) | 2001-02-07 |
EP1039710A1 (de) | 2000-09-27 |
US6700940B1 (en) | 2004-03-02 |
CN1099180C (zh) | 2003-01-15 |
DE69834943T2 (de) | 2007-03-15 |
CA2314877C (en) | 2007-09-18 |
EP1039710B1 (de) | 2006-06-14 |
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