CN1309865A - 高清晰度电视信道均衡器 - Google Patents
高清晰度电视信道均衡器 Download PDFInfo
- Publication number
- CN1309865A CN1309865A CN99808654A CN99808654A CN1309865A CN 1309865 A CN1309865 A CN 1309865A CN 99808654 A CN99808654 A CN 99808654A CN 99808654 A CN99808654 A CN 99808654A CN 1309865 A CN1309865 A CN 1309865A
- Authority
- CN
- China
- Prior art keywords
- signal
- dff
- equalizer
- fff
- output signal
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/211—Ghost signal cancellation
Abstract
Description
运行模式 | Mux26到FFF、DFF | Mux28到DFF、Mux29 | |
系数控制 | 信号输入 | 输出 | |
初始转态 | 0 | 0 | ------ |
盲均衡 | CMA | 均衡输出 | ------ |
训练(场同步间隔) | 训练误差 | 参考PN信号 | 参考PN |
决策指导(非场同步间隔) | 限幅误差 | 限幅电路输出 | 限幅电路输出 |
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/102,885 US6816548B1 (en) | 1998-06-23 | 1998-06-23 | HDTV channel equalizer |
US09/102,885 | 1998-06-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1309865A true CN1309865A (zh) | 2001-08-22 |
CN1255983C CN1255983C (zh) | 2006-05-10 |
Family
ID=22292194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998086541A Expired - Lifetime CN1255983C (zh) | 1998-06-23 | 1999-06-02 | 高清晰度电视信道均衡器 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6816548B1 (zh) |
JP (1) | JP2002519895A (zh) |
KR (1) | KR100601207B1 (zh) |
CN (1) | CN1255983C (zh) |
AU (1) | AU4227099A (zh) |
HK (1) | HK1039014A1 (zh) |
MY (1) | MY124051A (zh) |
TW (1) | TW416245B (zh) |
WO (1) | WO1999067946A1 (zh) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6775334B1 (en) * | 1998-11-03 | 2004-08-10 | Broadcom Corporation | Equalization and decision-directed loops with trellis demodulation in high definition TV |
US6438164B2 (en) * | 1998-11-03 | 2002-08-20 | Broadcom Corporation | Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component |
DE10023690A1 (de) * | 2000-05-16 | 2001-11-22 | Philips Corp Intellectual Pty | Gerät mit einem Regelkreis |
KR100452860B1 (ko) * | 2000-06-20 | 2004-10-14 | 삼성전자주식회사 | 훈련 신호를 이용한 적응 등화기용 필터 탭 길이 조정장치 및 방법 |
KR100424496B1 (ko) * | 2000-08-31 | 2004-03-26 | 삼성전자주식회사 | 디지털 vsb시스템의 동기신호를 이용한 이퀄라이져 제어 방법 및 장치 |
US7027500B1 (en) * | 2000-12-12 | 2006-04-11 | Ati Research, Inc. | Linear prediction based initialization of a single-axis blind equalizer for VSB signals |
US6894728B2 (en) | 2001-04-16 | 2005-05-17 | Thomas Licensing S.A. | Method for equalizing a VSB high definition television signal in the presence of co-channel interference |
US6829297B2 (en) * | 2001-06-06 | 2004-12-07 | Micronas Semiconductors, Inc. | Adaptive equalizer having a variable step size influenced by output from a trellis decoder |
US7127019B2 (en) * | 2001-06-21 | 2006-10-24 | Hitachi, Ltd. | Methods and apparatus for implementing multi-tone receivers |
US7715437B2 (en) | 2001-09-27 | 2010-05-11 | Broadcom Corporation | Highly integrated media access control |
US7092438B2 (en) * | 2002-01-22 | 2006-08-15 | Siemens Communications, Inc. | Multilevel decision feedback equalizer |
JP3916480B2 (ja) * | 2002-02-22 | 2007-05-16 | 松下電器産業株式会社 | デジタル復調装置および同期検出方法 |
KR100442255B1 (ko) * | 2002-02-27 | 2004-07-30 | 엘지전자 주식회사 | 채널 등화 장치 |
KR100988225B1 (ko) * | 2002-04-16 | 2010-10-18 | 톰슨 라이센싱 | 트렐리스 방식으로 디코딩된 데이터를 제공하는 장치 및 방법과, 등화기/트렐리스 디코더 시스템 |
KR100916378B1 (ko) * | 2002-04-17 | 2009-09-18 | 톰슨 라이센싱 | 등화기 모드 스위치 |
KR100446304B1 (ko) * | 2002-08-16 | 2004-08-31 | 삼성전자주식회사 | 고화질 텔레비전에 사용되는 등화기 및 등화 방법 |
KR20040025516A (ko) * | 2002-09-19 | 2004-03-24 | 삼성전자주식회사 | 단일반송파수신기의 채널등화기 및 그의 등화방법 |
KR100451750B1 (ko) * | 2002-10-31 | 2004-10-08 | 엘지전자 주식회사 | 디지털 텔레비전 수신기의 채널 등화 장치 |
TWI231673B (en) * | 2002-11-07 | 2005-04-21 | Realtek Semiconductor Corp | A modulator used for network transceiver and method thereof |
WO2004075469A2 (en) | 2003-02-19 | 2004-09-02 | Dotcast Inc. | Joint, adaptive control of equalization, synchronization, and gain in a digital communications receiver |
US20040230997A1 (en) * | 2003-05-13 | 2004-11-18 | Broadcom Corporation | Single-chip cable set-top box |
KR100505703B1 (ko) * | 2003-08-21 | 2005-08-03 | 삼성전자주식회사 | 채널 등화기 및 채널 등화 방법 |
US20050232347A1 (en) * | 2004-04-15 | 2005-10-20 | Mediatek Incorporation | Apparatus and method for noise enhancement reduction in an adaptive equalizer |
JP4773427B2 (ja) * | 2004-05-12 | 2011-09-14 | トムソン ライセンシング | Atsc−dtv受信器におけるデュアルモード等化器 |
US8239914B2 (en) * | 2004-07-22 | 2012-08-07 | Broadcom Corporation | Highly integrated single chip set-top box |
US7983354B2 (en) * | 2005-11-25 | 2011-07-19 | Samsung Electronics Co., Ltd. | Digital broadcast transmitter/receiver having an improved receiving performance and signal processing method thereof |
US7944964B2 (en) * | 2005-12-09 | 2011-05-17 | Electronics And Telecommunications Research Institute | Apparatus and method for stable DEF using selective FBF |
US7599449B2 (en) * | 2006-04-10 | 2009-10-06 | Montage Technology Group, Ltd | Hybrid modulus blind equalization for quadrature amplitude modulation (QAM) receivers |
US20070294738A1 (en) * | 2006-06-16 | 2007-12-20 | Broadcom Corporation | Single chip cable set-top box supporting DOCSIS set-top Gateway (DSG) protocol and high definition advanced video codec (HD AVC) decode |
EP2613488B1 (en) * | 2012-01-21 | 2016-01-20 | Huawei Technologies Co., Ltd. | Adaptive equalization method and adaptive equalizer |
WO2015077759A2 (en) * | 2013-11-25 | 2015-05-28 | University Of Utah Research Foundation | A multiple user communication network |
US10374844B1 (en) * | 2018-03-08 | 2019-08-06 | Nxp B.V. | Signal-equalization with noise-whitening filter |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5602602A (en) * | 1994-02-10 | 1997-02-11 | Philips Electronics North America Corporation | Method and apparatus for combating co-channel NTSC interference for digital TV transmission having a simplified rejection filter |
US5706057A (en) | 1994-03-21 | 1998-01-06 | Rca Thomson Licensing Corporation | Phase detector in a carrier recovery network for a vestigial sideband signal |
KR970008417B1 (ko) | 1994-04-12 | 1997-05-23 | 엘지전자 주식회사 | 에이치디티브이(hdtv)용 채널등화기 |
KR0124597B1 (ko) | 1994-04-12 | 1997-12-01 | 구자홍 | 에이치디티브이(hdtv)용 채널등화기 |
KR0165507B1 (ko) | 1996-01-09 | 1999-03-20 | 김광호 | 기준신호를 이용한 등화방법과 등화기 |
US5898731A (en) * | 1996-02-03 | 1999-04-27 | Lg Electronics Inc. | Auto-coefficient renewal digital channel equalizer |
US5799037A (en) * | 1996-02-16 | 1998-08-25 | David Sarnoff Research Center Inc. | Receiver capable of demodulating multiple digital modulation formats |
US5712873A (en) | 1996-06-04 | 1998-01-27 | Thomson Consumer Electronics, Inc. | Multi-mode equalizer in a digital video signal processing system |
US6069917A (en) * | 1997-05-23 | 2000-05-30 | Lucent Technologies Inc. | Blind training of a decision feedback equalizer |
-
1998
- 1998-06-23 US US09/102,885 patent/US6816548B1/en not_active Expired - Lifetime
-
1999
- 1999-04-27 TW TW088106749A patent/TW416245B/zh not_active IP Right Cessation
- 1999-06-02 WO PCT/US1999/012143 patent/WO1999067946A1/en active IP Right Grant
- 1999-06-02 AU AU42270/99A patent/AU4227099A/en not_active Abandoned
- 1999-06-02 KR KR1020007014516A patent/KR100601207B1/ko not_active IP Right Cessation
- 1999-06-02 CN CNB998086541A patent/CN1255983C/zh not_active Expired - Lifetime
- 1999-06-02 JP JP2000556498A patent/JP2002519895A/ja active Pending
- 1999-06-22 MY MYPI99002569A patent/MY124051A/en unknown
-
2002
- 2002-01-29 HK HK02100669A patent/HK1039014A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20010053055A (ko) | 2001-06-25 |
KR100601207B1 (ko) | 2006-07-13 |
WO1999067946A1 (en) | 1999-12-29 |
CN1255983C (zh) | 2006-05-10 |
HK1039014A1 (en) | 2002-04-04 |
MY124051A (en) | 2006-06-30 |
TW416245B (en) | 2000-12-21 |
US6816548B1 (en) | 2004-11-09 |
AU4227099A (en) | 2000-01-10 |
JP2002519895A (ja) | 2002-07-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1255983C (zh) | 高清晰度电视信道均衡器 | |
US6693958B1 (en) | Adaptive channel equalizer having a training mode | |
KR100540292B1 (ko) | 디지털비디오신호처리시스템내의다중-모드등화기 | |
EP0752173B1 (en) | Blind equalizer for a vestigial sideband signal | |
US5835532A (en) | Blind equalizer for a vestigial sideband signal | |
US6356598B1 (en) | Demodulator for an HDTV receiver | |
US7907691B2 (en) | Dual-mode equalizer in an ATSC-DTV receiver | |
CN1954569A (zh) | 具有改进采集的载波恢复结构 | |
Choi et al. | Adaptive blind equalization coupled with carrier recovery for HDTV modem | |
US20090296799A1 (en) | Channel identification, emulation, and frame synchronization for digital television signals | |
KR100273763B1 (ko) | 상이한 형태의 텔레비젼신호를 수신하는 동일 고스트 제거회로를 사용하는 텔레비젼신호 수신장치 | |
WO1999060745A1 (en) | Symbol sign directed phase detector | |
EP1253778B1 (en) | A blind equalization method for a high definition television signal | |
MXPA00012800A (en) | Hdtv channel equalizer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder |
Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: French Boulogne Patentee before: THOMSON LICENSING |
|
CP02 | Change in the address of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190131 Address after: Paris France Patentee after: International Digital Madison Patent Holding Co. Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING Effective date of registration: 20190131 Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING |
|
TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20060510 |
|
CX01 | Expiry of patent term |