CN1189729A - 数字解调器的符号定时恢复电路 - Google Patents
数字解调器的符号定时恢复电路 Download PDFInfo
- Publication number
- CN1189729A CN1189729A CN97114164A CN97114164A CN1189729A CN 1189729 A CN1189729 A CN 1189729A CN 97114164 A CN97114164 A CN 97114164A CN 97114164 A CN97114164 A CN 97114164A CN 1189729 A CN1189729 A CN 1189729A
- Authority
- CN
- China
- Prior art keywords
- signal
- interpolation
- output
- timing error
- filter
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M5/00—Conversion of the form of the representation of individual digits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
- H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
- H04L7/0029—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
k(=t/Ti) | Ti/Ts+μk+1 | Δmk | 小数间隔存储器57的输入值(μk) | 临时存储器61的输入值 | 有效数据指示信号 |
-1 | 0 | 0 | 1 | ||
0 | 1.3 | 1 | 0.3 | 1 | 1 |
1 | 1.6 | 1 | 0.6 | 1 | 1 |
2 | 1.9 | 1 | 0.9 | 1 | 1 |
3 | 2.2 | 2 | 0.2 | 2 | 0 |
4 | 2.2 | 2 | 0.2 | 1 | 1 |
5 | 1.5 | 1 | 0.5 | 1 | 1 |
6 | 1.8 | 1 | 0.8 | 1 | 1 |
7 | 2.1 | 2 | 0.1 | 2 | 0 |
8 | 2.1 | 2 | 0.1 | 1 | 1 |
9 | 1.4 | 1 | 0.4 | 1 | 1 |
10 | 1.7 | 1 | 0.7 | 1 | 1 |
11 | 2.0 | 2 | 0 | 2 | 0 |
12 | 2.0 | 2 | 0 | 1 | 1 |
13 | 1.3 | 1 | 0.3 | 1 | 1 |
Claims (4)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960043230A KR100195756B1 (ko) | 1996-09-30 | 1996-09-30 | 가변 레이트 복조기의 심볼 타이밍 복원 회로 |
KR43230/96 | 1996-09-30 | ||
KR43230/1996 | 1996-09-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1189729A true CN1189729A (zh) | 1998-08-05 |
CN1161921C CN1161921C (zh) | 2004-08-11 |
Family
ID=19475757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB971141649A Expired - Fee Related CN1161921C (zh) | 1996-09-30 | 1997-09-30 | 数字解调器的符号定时恢复电路 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6055284A (zh) |
JP (1) | JP3811873B2 (zh) |
KR (1) | KR100195756B1 (zh) |
CN (1) | CN1161921C (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1842070B (zh) * | 2005-03-28 | 2010-04-14 | 富士通微电子株式会社 | 具有多级的定时恢复电路 |
CN102377557A (zh) * | 2010-08-23 | 2012-03-14 | 联咏科技股份有限公司 | 时序恢复控制器及其操作方法 |
CN110247751A (zh) * | 2018-11-15 | 2019-09-17 | 浙江大华技术股份有限公司 | 正交幅度调制qam信号位同步的方法、装置及存储介质 |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100463507B1 (ko) * | 1997-12-31 | 2005-09-30 | 엘지전자 주식회사 | 에이치디티브이의 타이밍 북구장치 |
US6452948B1 (en) * | 1998-06-10 | 2002-09-17 | Sicom, Inc. | Method for baud-clock phase synchronization in a TDMA digital communications system and apparatus therefor |
KR100287867B1 (ko) * | 1998-12-31 | 2001-05-02 | 구자홍 | 디지털 텔레비전의 타이밍 복원 장치 |
KR100330236B1 (ko) * | 1998-12-31 | 2002-08-08 | 삼성전자 주식회사 | 무선통신시스템에서 수신단의 타이밍 복구회로 |
KR100652563B1 (ko) * | 1999-12-17 | 2006-12-01 | 엘지전자 주식회사 | 디지탈 심볼 복구용 보간기 |
WO2001067745A2 (en) * | 2000-03-03 | 2001-09-13 | Avaz Networks | Synchronization for digital cable network |
US6879623B2 (en) * | 2001-03-28 | 2005-04-12 | Motorola, Inc. | Method and apparatus for timing recovery in a communication device |
KR100374648B1 (ko) * | 2001-06-28 | 2003-03-03 | 삼성전자주식회사 | 전자파를 감소시키기 위한 위상동기루프회로 및 그의제어방법 |
US7006457B2 (en) * | 2001-08-30 | 2006-02-28 | Thomson Licensing | Modem front-end apparatus and method |
AU2002349638A1 (en) * | 2001-11-20 | 2003-06-10 | Sanyo Electric Co., Ltd. | Radio reception apparatus, symbol timing control method, and symbol timing control program |
US6775341B2 (en) | 2001-11-30 | 2004-08-10 | Motorola, Inc. | Time recovery circuit and method for synchronizing timing of a signal in a receiver to timing of the signal in a transmitter |
KR100438519B1 (ko) * | 2001-12-28 | 2004-07-03 | 한국전자통신연구원 | 순방향 구조로 심볼 타이밍을 추정하는 수신 시스템 및 그타이밍 추정방법 |
KR100937404B1 (ko) * | 2002-07-13 | 2010-01-18 | 엘지전자 주식회사 | 타이밍 복원 장치 |
KR20040006661A (ko) * | 2002-07-13 | 2004-01-24 | 엘지전자 주식회사 | 타이밍 복원 장치 |
KR100493026B1 (ko) * | 2002-09-09 | 2005-06-07 | 삼성전자주식회사 | 전화선 모뎀을 위한 강건한 심벌 타이밍 복구 회로 |
US7576779B2 (en) * | 2003-07-07 | 2009-08-18 | Fujifilm Corporation | Control apparatus and controlled apparatus utilized in system supporting both command-based model and user-interface export model, control system and computer used in said system |
US7486747B1 (en) | 2004-07-09 | 2009-02-03 | L-3 Communications Corporation | Digital timing recovery operable at very low or less than zero dB Eb/No |
GB0421930D0 (en) * | 2004-10-01 | 2004-11-03 | Nokia Corp | Signal receiver |
US20090154626A1 (en) * | 2007-12-15 | 2009-06-18 | Anderson Warren R | Continuous receiver clock alignment and equalization optimization |
CN101610146B (zh) * | 2009-07-23 | 2011-11-16 | 西安空间无线电技术研究所 | 全数字解调中并行插值位同步系统及同步方法 |
CN103178805B (zh) * | 2011-12-20 | 2018-02-02 | 亚太卫星宽带通信(深圳)有限公司 | 插值滤波器输出控制方法、装置及系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4707841A (en) * | 1984-08-21 | 1987-11-17 | University Of Toronto, Innovations Foundation | Digital data receiver for preamble free data transmission |
CA1268523A (en) * | 1984-10-31 | 1990-05-01 | Nec Corporation | Synchronization circuit capable of establishing synchronism even when a sampling rate is invariable |
US5504785A (en) * | 1993-05-28 | 1996-04-02 | Tv/Com Technologies, Inc. | Digital receiver for variable symbol rate communications |
GB9511551D0 (en) * | 1995-06-07 | 1995-08-02 | Discovision Ass | Signal processing system |
-
1996
- 1996-09-30 KR KR1019960043230A patent/KR100195756B1/ko not_active IP Right Cessation
-
1997
- 1997-09-30 US US08/941,654 patent/US6055284A/en not_active Expired - Lifetime
- 1997-09-30 JP JP26622897A patent/JP3811873B2/ja not_active Expired - Fee Related
- 1997-09-30 CN CNB971141649A patent/CN1161921C/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1842070B (zh) * | 2005-03-28 | 2010-04-14 | 富士通微电子株式会社 | 具有多级的定时恢复电路 |
CN102377557A (zh) * | 2010-08-23 | 2012-03-14 | 联咏科技股份有限公司 | 时序恢复控制器及其操作方法 |
CN102377557B (zh) * | 2010-08-23 | 2014-08-27 | 联咏科技股份有限公司 | 时序恢复控制器及其操作方法 |
CN110247751A (zh) * | 2018-11-15 | 2019-09-17 | 浙江大华技术股份有限公司 | 正交幅度调制qam信号位同步的方法、装置及存储介质 |
CN110247751B (zh) * | 2018-11-15 | 2022-05-03 | 浙江芯昇电子技术有限公司 | 正交幅度调制qam信号位同步的方法、装置及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
US6055284A (en) | 2000-04-25 |
KR19980023730A (ko) | 1998-07-06 |
KR100195756B1 (ko) | 1999-06-15 |
JPH10200594A (ja) | 1998-07-31 |
JP3811873B2 (ja) | 2006-08-23 |
CN1161921C (zh) | 2004-08-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1161921C (zh) | 数字解调器的符号定时恢复电路 | |
CN1208922C (zh) | 数字解调器中的定时内插器 | |
JP3337424B2 (ja) | デジタル・フィルタ | |
JP3884115B2 (ja) | デジタルマッチドフィルタ | |
EP0256076B1 (en) | Analogue to digital conversion: method and apparatus therefor | |
CN1122367C (zh) | 重新抽样电路,使用该电路的调制器与控制该电路的方法 | |
CN101615996B (zh) | 下采样方法和下采样装置 | |
US6362755B1 (en) | Method and apparatus for sample rate conversion and applicants thereof | |
EP1603297B1 (en) | Method and system for analog and digital RF receiver interface | |
CN1241377C (zh) | 在正交相移键控解调器中自动增益控制的方法和装置 | |
US20060120497A1 (en) | Method for resampling at transmission and reception of a digital signal with digital band translation | |
EP0523307B1 (en) | Decimation filter for a sigma-delta converter and data circuit terminating equipment including the same | |
JP2004528742A (ja) | 高速フイルタ | |
CN104717051A (zh) | 一种并行解调位同步中的插值估计方法 | |
USRE39283E1 (en) | Method for selective filtering | |
CN1135780C (zh) | Qam分量定时恢复系统 | |
JP3602503B2 (ja) | 信号のオフセット補償を行う回路構成および方法 | |
EP0612454B1 (en) | Digital fsk demodulator | |
CN1250559A (zh) | 利用线移动的相关性估算信道脉冲响应 | |
CN1130881C (zh) | 信道估算装置 | |
US6874096B1 (en) | Apparatus and method for detecting packet arrival time | |
CN1192508C (zh) | 代码信号的微同步的装置 | |
CN1175581C (zh) | 相加-比较选择电路 | |
CN1165449A (zh) | 时钟信号发生装置和时钟信号发生方法 | |
CN101015183B (zh) | 用于将数字基带信号转换成模拟中频信号的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20030523 Address after: Seoul Applicant after: Daewoo Electronics Co., Ltd. Address before: Seoul Applicant before: Daewoo Electronics Co., Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: FENGYE VISION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DAEWOO ELECTRONICS CO., LTD. Effective date: 20130426 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130426 Address after: Ontario Patentee after: Fengye Vision Technology Co., Ltd. Address before: Seoul, South Kerean Patentee before: Daewoo Electronics Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040811 Termination date: 20150930 |
|
EXPY | Termination of patent right or utility model |