CN100418366C - 基于载波恢复的解调 - Google Patents
基于载波恢复的解调 Download PDFInfo
- Publication number
- CN100418366C CN100418366C CNB2004800120991A CN200480012099A CN100418366C CN 100418366 C CN100418366 C CN 100418366C CN B2004800120991 A CNB2004800120991 A CN B2004800120991A CN 200480012099 A CN200480012099 A CN 200480012099A CN 100418366 C CN100418366 C CN 100418366C
- Authority
- CN
- China
- Prior art keywords
- signal
- recovers
- demodulator
- pass filter
- band pass
- 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 - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/24—Homodyne or synchrodyne circuits for demodulation of signals wherein one sideband or the carrier has been wholly or partially suppressed
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/2281—Homodyne or synchrodyne circuits using a phase locked loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
- H04L27/066—Carrier recovery circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/455—Demodulation-circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Noise Elimination (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03101244 | 2003-05-05 | ||
EP03101244.6 | 2003-05-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1784891A CN1784891A (zh) | 2006-06-07 |
CN100418366C true CN100418366C (zh) | 2008-09-10 |
Family
ID=33427168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800120991A Expired - Fee Related CN100418366C (zh) | 2003-05-05 | 2004-04-29 | 基于载波恢复的解调 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7529535B2 (zh) |
EP (1) | EP1623571A1 (zh) |
JP (1) | JP2006526331A (zh) |
KR (1) | KR20060010778A (zh) |
CN (1) | CN100418366C (zh) |
TW (1) | TW200501550A (zh) |
WO (1) | WO2004100537A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101486352B1 (ko) | 2007-06-18 | 2015-01-26 | 엘지전자 주식회사 | 무선 통신 시스템의 단말에서의 상향링크 동기 상태 제어방법 |
KR101341515B1 (ko) | 2007-06-18 | 2013-12-16 | 엘지전자 주식회사 | 무선 통신 시스템에서의 반복 전송 정보 갱신 방법 |
KR101490253B1 (ko) | 2007-08-10 | 2015-02-05 | 엘지전자 주식회사 | 무선 통신 시스템에서의 제어정보 전송 및 수신 방법 |
KR101513033B1 (ko) | 2007-09-18 | 2015-04-17 | 엘지전자 주식회사 | 다중 계층 구조에서 QoS를 보장하기 위한 방법 |
KR101591824B1 (ko) | 2007-09-18 | 2016-02-04 | 엘지전자 주식회사 | 무선 통신 시스템에서의 폴링 과정 수행 방법 |
KR101594359B1 (ko) | 2008-01-31 | 2016-02-16 | 엘지전자 주식회사 | 랜덤 접속에서 백오프 정보를 시그널링하는 방법 |
EP2086276B1 (en) | 2008-01-31 | 2016-11-02 | LG Electronics Inc. | Method for signaling back-off information in random access |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3750026A (en) * | 1971-07-27 | 1973-07-31 | Nippon Tt Public Corp | Intersymbol interference component eliminating system |
US4253189A (en) * | 1978-03-10 | 1981-02-24 | Compagnie Industrielle Des Telecommunications Cit-Alcatel | Circuit for recovering the carrier of an amplitude modulated synchronous digital signal |
US4272845A (en) * | 1978-10-18 | 1981-06-09 | Societa Italiana Telecomunicazion Siemens Spa | Receiver for data-transmission system operating with single-sideband amplitude modulation |
US4933767A (en) * | 1988-05-30 | 1990-06-12 | Mitsubishi Denki Kabushiki Kaisha | Video intermediate frequency signal processing circuit |
CN1146267A (zh) * | 1994-03-21 | 1997-03-26 | Rca汤姆森许可公司 | 残留边带信号的载波恢复系统 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4177430A (en) * | 1978-03-06 | 1979-12-04 | Rockwell International Corporation | Adaptive noise cancelling receiver |
JPH01296704A (ja) * | 1988-05-24 | 1989-11-30 | Matsushita Electric Ind Co Ltd | Fm復調装置 |
JPH0372796A (ja) * | 1989-04-28 | 1991-03-27 | Matsushita Electric Ind Co Ltd | テレビジョン信号処理装置 |
IT1297278B1 (it) * | 1997-09-15 | 1999-08-09 | Italtel Spa | Radioricevitore digitale a larga banda per segnale multiportante |
US6433835B1 (en) * | 1998-04-17 | 2002-08-13 | Encamera Sciences Corporation | Expanded information capacity for existing communication transmission systems |
-
2004
- 2004-04-29 JP JP2006506928A patent/JP2006526331A/ja active Pending
- 2004-04-29 EP EP04730352A patent/EP1623571A1/en not_active Withdrawn
- 2004-04-29 US US10/555,269 patent/US7529535B2/en not_active Expired - Lifetime
- 2004-04-29 WO PCT/IB2004/050553 patent/WO2004100537A1/en active Application Filing
- 2004-04-29 CN CNB2004800120991A patent/CN100418366C/zh not_active Expired - Fee Related
- 2004-04-29 KR KR1020057020873A patent/KR20060010778A/ko not_active Application Discontinuation
- 2004-04-30 TW TW093112309A patent/TW200501550A/zh unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3750026A (en) * | 1971-07-27 | 1973-07-31 | Nippon Tt Public Corp | Intersymbol interference component eliminating system |
US4253189A (en) * | 1978-03-10 | 1981-02-24 | Compagnie Industrielle Des Telecommunications Cit-Alcatel | Circuit for recovering the carrier of an amplitude modulated synchronous digital signal |
US4272845A (en) * | 1978-10-18 | 1981-06-09 | Societa Italiana Telecomunicazion Siemens Spa | Receiver for data-transmission system operating with single-sideband amplitude modulation |
US4933767A (en) * | 1988-05-30 | 1990-06-12 | Mitsubishi Denki Kabushiki Kaisha | Video intermediate frequency signal processing circuit |
CN1146267A (zh) * | 1994-03-21 | 1997-03-26 | Rca汤姆森许可公司 | 残留边带信号的载波恢复系统 |
Also Published As
Publication number | Publication date |
---|---|
TW200501550A (en) | 2005-01-01 |
US20060232330A1 (en) | 2006-10-19 |
KR20060010778A (ko) | 2006-02-02 |
JP2006526331A (ja) | 2006-11-16 |
US7529535B2 (en) | 2009-05-05 |
CN1784891A (zh) | 2006-06-07 |
EP1623571A1 (en) | 2006-02-08 |
WO2004100537A1 (en) | 2004-11-18 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: NXP CO., LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20071214 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20071214 Address after: Holland Ian Deho Finn Applicant after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Applicant before: Koninklijke Philips Electronics N.V. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: KALAI HANXILE CO., LTD. Free format text: FORMER OWNER: KONINKL PHILIPS ELECTRONICS NV Effective date: 20120104 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120104 Address after: American Delaware Patentee after: NXP BV Address before: Holland Ian Deho Finn Patentee before: Koninkl Philips Electronics NV |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20130429 |