DE69834943D1 - Schaltung zur Trägerrückgewinnung - Google Patents

Schaltung zur Trägerrückgewinnung

Info

Publication number
DE69834943D1
DE69834943D1 DE69834943T DE69834943T DE69834943D1 DE 69834943 D1 DE69834943 D1 DE 69834943D1 DE 69834943 T DE69834943 T DE 69834943T DE 69834943 T DE69834943 T DE 69834943T DE 69834943 D1 DE69834943 D1 DE 69834943D1
Authority
DE
Germany
Prior art keywords
circuit
carrier recovery
recovery
carrier
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.)
Expired - Lifetime
Application number
DE69834943T
Other languages
English (en)
Other versions
DE69834943T2 (de
Inventor
Hisakazu Katoh
Akinori Hashimoto
Tomohiro Saito
Fumiaki Minematsu
Kenichi Shiraishi
Akihiro Horii
Shoji Matsuda
Soichi Shinjo
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.)
Kenwood KK
Original Assignee
Kenwood KK
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 Kenwood KK filed Critical Kenwood KK
Publication of DE69834943D1 publication Critical patent/DE69834943D1/de
Application granted granted Critical
Publication of DE69834943T2 publication Critical patent/DE69834943T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE69834943T 1997-12-26 1998-12-25 Schaltung zur Trägerrückgewinnung Expired - Lifetime DE69834943T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP36690697 1997-12-26
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 (2)

Publication Number Publication Date
DE69834943D1 true DE69834943D1 (de) 2006-07-27
DE69834943T2 DE69834943T2 (de) 2007-03-15

Family

ID=18487988

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69834943T Expired - Lifetime DE69834943T2 (de) 1997-12-26 1998-12-25 Schaltung zur Trägerrückgewinnung
DE1039710T Pending DE1039710T1 (de) 1997-12-26 1998-12-25 Schaltung zur trägerrückgewinnung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1039710T Pending DE1039710T1 (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) DE69834943T2 (de)
WO (1) WO1999034569A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6920190B2 (en) * 2000-11-21 2005-07-19 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)

* Cited by examiner, † Cited by third party
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
DE69217140T2 (de) * 1991-08-07 1997-07-03 Toshiba Ave Kk 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

Also Published As

Publication number Publication date
DE1039710T1 (de) 2001-04-19
EP1039710A1 (de) 2000-09-27
CA2314877C (en) 2007-09-18
JPH11196147A (ja) 1999-07-21
JP3084363B2 (ja) 2000-09-04
DE69834943T2 (de) 2007-03-15
EP1039710A4 (de) 2005-09-28
CN1099180C (zh) 2003-01-15
CN1283354A (zh) 2001-02-07
CA2314877A1 (en) 1999-07-08
WO1999034569A1 (fr) 1999-07-08
US6700940B1 (en) 2004-03-02
EP1039710B1 (de) 2006-06-14

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