KR20040006308A - 수신 시스템 - Google Patents
수신 시스템 Download PDFInfo
- Publication number
- KR20040006308A KR20040006308A KR1020020040327A KR20020040327A KR20040006308A KR 20040006308 A KR20040006308 A KR 20040006308A KR 1020020040327 A KR1020020040327 A KR 1020020040327A KR 20020040327 A KR20020040327 A KR 20020040327A KR 20040006308 A KR20040006308 A KR 20040006308A
- Authority
- KR
- South Korea
- Prior art keywords
- noise
- frequency
- signal
- domain equalizer
- equalizer
- Prior art date
Links
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims (2)
- 송신 시스템으로부터 RF 신호를 수신하여 변환, 복원하는 복조기와;상기 송신 시스템으로부터 수신 시스템까지 도달하는 동안 발생하는 페이딩을 보상하는 주파수 영역 등화기와;상기 주파수 영역 등화기에서 발생되는 잡음 증가를 제거하는 잡음 제거기를 포함하여 구성되는 것을 특징으로 하는 수신 시스템.
- 제 1항에 있어서,상기 잡음 제거기는 보상해야 하는 기준 잡음을 만드는 제 1 감산기와, 상기 기준 잡음에서 추정한 잡음을 빼서 그 차이를 오차로 사용하는 제 2 감산기와, 입력 신호에서 추정한 잡음을 뺌으로써 상기 등화기 출력에서 잡음 증가로 인해 증가한 잡음을 제거하는 제 3 감산기와, LMS(least mean square) 방식의 계수 갱신 방식을 사용하는 LMS 필터와, VSB 슬라이스를 포함하여 구성되는 것을 특징으로 하는 수신 시스템.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0040327A KR100474911B1 (ko) | 2002-07-11 | 2002-07-11 | 수신 시스템 |
US10/614,932 US7324610B2 (en) | 2002-07-11 | 2003-07-07 | VSB reception system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0040327A KR100474911B1 (ko) | 2002-07-11 | 2002-07-11 | 수신 시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040006308A true KR20040006308A (ko) | 2004-01-24 |
KR100474911B1 KR100474911B1 (ko) | 2005-03-10 |
Family
ID=30113134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0040327A KR100474911B1 (ko) | 2002-07-11 | 2002-07-11 | 수신 시스템 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7324610B2 (ko) |
KR (1) | KR100474911B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100451750B1 (ko) * | 2002-10-31 | 2004-10-08 | 엘지전자 주식회사 | 디지털 텔레비전 수신기의 채널 등화 장치 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0629080B1 (en) * | 1993-06-09 | 2000-02-23 | STMicroelectronics S.r.l. | Adaptive method to remove ghosts in video signals |
KR100320450B1 (ko) * | 1994-12-16 | 2002-06-20 | 구자홍 | 고선명티브이수상기의수신기동작상황검출장치 |
KR0165507B1 (ko) * | 1996-01-09 | 1999-03-20 | 김광호 | 기준신호를 이용한 등화방법과 등화기 |
US7020189B2 (en) * | 1999-02-22 | 2006-03-28 | Godigital Networks Corporation | Method and apparatus for implementing digital filters in the data path of a PCM modem for efficient transition of a second analog-to-digital conversion process |
EP1145475A1 (en) * | 1999-10-21 | 2001-10-17 | Koninklijke Philips Electronics N.V. | An adaptive digital beamforming receiver to improve signal reception |
US6816204B2 (en) * | 2000-01-19 | 2004-11-09 | Allen Le Roy Limberg | Ghost cancellation reference signals for broadcast digital television signal receivers and receivers for utilizing them |
-
2002
- 2002-07-11 KR KR10-2002-0040327A patent/KR100474911B1/ko active IP Right Grant
-
2003
- 2003-07-07 US US10/614,932 patent/US7324610B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100451750B1 (ko) * | 2002-10-31 | 2004-10-08 | 엘지전자 주식회사 | 디지털 텔레비전 수신기의 채널 등화 장치 |
Also Published As
Publication number | Publication date |
---|---|
US20040008801A1 (en) | 2004-01-15 |
US7324610B2 (en) | 2008-01-29 |
KR100474911B1 (ko) | 2005-03-10 |
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