KR101107112B1 - 디지털 수신기 장치 및 디지털 신호 수신 방법 - Google Patents
디지털 수신기 장치 및 디지털 신호 수신 방법 Download PDFInfo
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- KR101107112B1 KR101107112B1 KR1020047021029A KR20047021029A KR101107112B1 KR 101107112 B1 KR101107112 B1 KR 101107112B1 KR 1020047021029 A KR1020047021029 A KR 1020047021029A KR 20047021029 A KR20047021029 A KR 20047021029A KR 101107112 B1 KR101107112 B1 KR 101107112B1
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- Prior art keywords
- impulse
- wavelet
- impulse wavelet
- representation
- signal
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 2
- 230000002452 interceptive effect Effects 0.000 claims 5
- 238000001514 detection method Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000969 carrier Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0004—Modulated-carrier systems using wavelets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Feedback Control In General (AREA)
- Error Detection And Correction (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
Claims (16)
- 디지털 수신기 장치(28)에 있어서,튜너 회로(14)와,아날로그-디지털 변환 수단(16)과,임펄스 웨이브렛의 표현을 저장하는 수단(34)과,수신된 신호 내에 간섭 임펄스 웨이브렛이 존재하는지를 판정하는 수단(36)과,상기 수신된 신호 내에서 상기 간섭 임펄스 웨이브렛의 영향을 상쇄시키도록 상기 임펄스 웨이브렛의 상기 저장된 표현을 상기 수신된 신호 내의 상기 간섭 임펄스 웨이브렛에 도입하는 수단(38,40)을 포함하는디지털 수신기 장치.
- 제 1 항에 있어서,상기 수신된 신호 내에 상기 간섭 임펄스 웨이브렛이 존재하는지를 판정하는 상기 수단(36)은 상기 수신된 신호 내에서 발생하는 웨이브렛과 상기 임펄스 웨이브렛의 상기 저장된 표현을 비교하는 비교 수단을 포함하는 디지털 수신기 장치.
- 제 2 항에 있어서,상기 비교 수단은 교차 상관기(cross-correlator)를 포함하는 디지털 수신기 장치.
- 제 2 항에 있어서,상기 비교 수단은 최적 필터링 수단을 포함하는 디지털 수신기 장치.
- 제 1 항 내지 제 4 항 중의 어느 한 항에 있어서,상기 임펄스 웨이브렛의 상기 저장된 표현을 상기 수신된 신호 내의 상기 간섭 임펄스 웨이브렛에 도입하는 수단은 상기 간섭 임펄스 웨이브렛으로부터 상기 임펄스 웨이브렛의 상기 저장된 표현을 감산하기 위한 감산기 수단(40)을 포함하는 디지털 수신기 장치.
- 제 1 항 내지 제 4 항 중의 어느 한 항에 있어서,상기 임펄스 웨이브렛의 형상의 추정치(estimate)를 결정하고, 상기 임펄스 웨이브렛의 표현을 저장하는 상기 수단(34)에 상기 임펄스 웨이브렛의 형상의 추정치를 도입하는 수단을 포함하는 디지털 수신기 장치.
- 제 6 항에 있어서,상기 임펄스 웨이브렛의 형상의 추정치는 테스트 신호에 의해 생성되는 디지털 수신기 장치.
- 제 1 항 내지 제 4 항 중의 어느 한 항에 있어서,상기 임펄스 웨이브렛의 표현을 저장하는 수단(34)은 사전 프로그램된 상기 임펄스 웨이브렛의 표현을 수신하도록 배열되는 디지털 수신기 장치.
- 제 1 항 내지 제 4 항 중의 어느 한 항에 있어서,상기 임펄스 웨이브렛의 표현을 저장하는 수단(34) 내의 저장을 위해 임펄스 웨이브렛의 형상을 예측하는 예측 수단을 포함하는 디지털 수신기 장치.
- 제 1 항 내지 제 4 항 중의 어느 한 항에 있어서,상기 수신된 신호 내의 상기 임펄스 웨이브렛의 특성과 관련하여 상기 임펄스 웨이브렛의 상기 저장된 표현을 스케일링하는 수단(38)을 포함하는 디지털 수신기 장치.
- 제 10 항에 있어서,상기 특성은 상기 수신된 신호 내의 상기 임펄스 웨이브렛의 진폭 및 위상 중의 적어도 하나를 포함하는 디지털 수신기 장치.
- 디지털 신호 수신 방법에 있어서,상기 신호를 복조하는 단계와,상기 신호의 아날로그-디지털 변환을 수행하는 단계와,임펄스 웨이브렛의 표현을 저장하는 단계와,상기 신호 내에 임펄스 간섭 이벤트가 발견되는지를 판정하는 단계와,상기 임펄스 간섭 이벤트의 영향을 상쇄시키도록 상기 임펄스 간섭 이벤트에 상기 임펄스 웨이브렛의 상기 저장된 표현을 도입하는 단계를 포함하는디지털 신호 수신 방법.
- 제 12 항에 있어서,상기 판정 단계는 상기 신호 내의 웨이브렛과 상기 임펄스 웨이브렛의 상기 저장된 표현을 비교하는 단계를 포함하는 디지털 신호 수신 방법.
- 제 12 항 또는 제 13 항에 있어서,상기 신호 내의 상기 임펄스 간섭 이벤트로부터 상기 임펄스 웨이브렛의 상기 저장된 표현을 감산하는 단계를 포함하는 디지털 신호 수신 방법.
- 제 12 항 또는 제 13 항에 있어서,저장될 상기 임펄스 웨이브렛의 표현을 추정하는 단계를 포함하는 디지털 신호 수신 방법.
- 제 12 항 또는 제 13 항에 있어서,상기 신호의 특성에 응답하여 상기 임펄스 웨이브렛의 상기 저장된 표현을 스케일링하는 단계를 포함하는 디지털 신호 수신 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0214729.6 | 2002-06-26 | ||
GBGB0214729.6A GB0214729D0 (en) | 2002-06-26 | 2002-06-26 | Digital receiver arrangement and related method |
PCT/IB2003/002672 WO2004004143A1 (en) | 2002-06-26 | 2003-06-12 | Method and device for wavelet denoising |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050016631A KR20050016631A (ko) | 2005-02-21 |
KR101107112B1 true KR101107112B1 (ko) | 2012-01-30 |
Family
ID=9939305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020047021029A KR101107112B1 (ko) | 2002-06-26 | 2003-06-12 | 디지털 수신기 장치 및 디지털 신호 수신 방법 |
Country Status (11)
Country | Link |
---|---|
US (1) | US7483685B2 (ko) |
EP (1) | EP1520349B1 (ko) |
JP (1) | JP2005531246A (ko) |
KR (1) | KR101107112B1 (ko) |
CN (1) | CN100379156C (ko) |
AT (1) | ATE427588T1 (ko) |
AU (1) | AU2003238600A1 (ko) |
DE (1) | DE60326956D1 (ko) |
GB (1) | GB0214729D0 (ko) |
TW (1) | TWI334701B (ko) |
WO (1) | WO2004004143A1 (ko) |
Families Citing this family (11)
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US7991058B2 (en) | 2004-12-21 | 2011-08-02 | Panasonic Corporation | OFDM reception device |
US20090016471A1 (en) * | 2007-07-10 | 2009-01-15 | Ravikiran Rajagopal | Impulse Noise Detection and Mitigation In Receivers |
US7965134B2 (en) * | 2009-03-27 | 2011-06-21 | Qualcomm, Incorporated | Spur attenuation devices, systems, and methods |
US8774314B2 (en) | 2009-06-23 | 2014-07-08 | Qualcomm Incorporated | Transmitter architectures |
US20110143697A1 (en) * | 2009-12-11 | 2011-06-16 | Qualcomm Incorporated | Separate i and q baseband predistortion in direct conversion transmitters |
US8880010B2 (en) * | 2009-12-30 | 2014-11-04 | Qualcomm Incorporated | Dual-loop transmit noise cancellation |
US9444670B2 (en) * | 2013-10-21 | 2016-09-13 | Electronics And Telecommunications Research Instit | Method and apparatus for transmitting and receiving signal based on interference |
KR102233151B1 (ko) * | 2013-10-21 | 2021-03-29 | 한국전자통신연구원 | 간섭에 기반한 신호 송수신 방법 및 장치 |
TWI593238B (zh) * | 2016-05-17 | 2017-07-21 | 晨星半導體股份有限公司 | 脈衝雜訊偵測電路與方法 |
US10454509B2 (en) | 2018-03-13 | 2019-10-22 | Qualcomm Incorporated | Communication circuit including a transmitter |
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2002
- 2002-06-26 GB GBGB0214729.6A patent/GB0214729D0/en not_active Ceased
-
2003
- 2003-06-12 WO PCT/IB2003/002672 patent/WO2004004143A1/en active Application Filing
- 2003-06-12 CN CNB03814896XA patent/CN100379156C/zh not_active Expired - Fee Related
- 2003-06-12 US US10/518,259 patent/US7483685B2/en not_active Expired - Fee Related
- 2003-06-12 DE DE60326956T patent/DE60326956D1/de not_active Expired - Fee Related
- 2003-06-12 AU AU2003238600A patent/AU2003238600A1/en not_active Abandoned
- 2003-06-12 AT AT03732947T patent/ATE427588T1/de not_active IP Right Cessation
- 2003-06-12 KR KR1020047021029A patent/KR101107112B1/ko not_active IP Right Cessation
- 2003-06-12 EP EP03732947A patent/EP1520349B1/en not_active Expired - Lifetime
- 2003-06-12 JP JP2004517098A patent/JP2005531246A/ja active Pending
- 2003-06-23 TW TW092116984A patent/TWI334701B/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US4879729A (en) | 1987-07-24 | 1989-11-07 | U.S. Philips Corporation | Apparatus for the decoding coded frequency modulated signals |
JP2000285104A (ja) * | 1999-01-28 | 2000-10-13 | Atr Ningen Joho Tsushin Kenkyusho:Kk | 信号処理方法および装置 |
EP1043874A2 (en) | 1999-04-07 | 2000-10-11 | British Broadcasting Corporation | Detection and removal of clipping in multicarrier receivers |
JP2002064407A (ja) * | 2000-08-15 | 2002-02-28 | Fujitsu Ltd | 同期追跡回路 |
Also Published As
Publication number | Publication date |
---|---|
US20060062321A1 (en) | 2006-03-23 |
EP1520349A1 (en) | 2005-04-06 |
AU2003238600A1 (en) | 2004-01-19 |
WO2004004143A1 (en) | 2004-01-08 |
CN100379156C (zh) | 2008-04-02 |
GB0214729D0 (en) | 2002-08-07 |
TWI334701B (en) | 2010-12-11 |
TW200408205A (en) | 2004-05-16 |
JP2005531246A (ja) | 2005-10-13 |
US7483685B2 (en) | 2009-01-27 |
KR20050016631A (ko) | 2005-02-21 |
EP1520349B1 (en) | 2009-04-01 |
ATE427588T1 (de) | 2009-04-15 |
CN1663131A (zh) | 2005-08-31 |
DE60326956D1 (de) | 2009-05-14 |
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