CA2054049A1 - Dispositif et methode pour supprimer la distorsion dans un signal recu - Google Patents
Dispositif et methode pour supprimer la distorsion dans un signal recuInfo
- Publication number
- CA2054049A1 CA2054049A1 CA2054049A CA2054049A CA2054049A1 CA 2054049 A1 CA2054049 A1 CA 2054049A1 CA 2054049 A CA2054049 A CA 2054049A CA 2054049 A CA2054049 A CA 2054049A CA 2054049 A1 CA2054049 A1 CA 2054049A1
- Authority
- CA
- Canada
- Prior art keywords
- signal
- responsive
- mixes
- mixer
- produce
- 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
- 230000003044 adaptive effect Effects 0.000 abstract 3
- 239000006185 dispersion Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/01—Equalisers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60933590A | 1990-11-05 | 1990-11-05 | |
US609,335 | 1990-11-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2054049A1 true CA2054049A1 (fr) | 1992-05-06 |
CA2054049C CA2054049C (fr) | 1996-02-06 |
Family
ID=24440359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002054049A Expired - Fee Related CA2054049C (fr) | 1990-11-05 | 1991-10-23 | Dispositif et methode pour supprimer la distorsion dans un signal recu |
Country Status (4)
Country | Link |
---|---|
US (1) | US5361400A (fr) |
CA (1) | CA2054049C (fr) |
GB (1) | GB2250667B (fr) |
MX (1) | MX9101918A (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3354286B2 (ja) * | 1994-06-04 | 2002-12-09 | 株式会社ケンウッド | マルチパス除去フィルタ |
US5697084A (en) * | 1994-09-16 | 1997-12-09 | Bose Corporation | Reducing multipath fading using adaptive filtering |
JP3264142B2 (ja) * | 1995-06-08 | 2002-03-11 | 富士通株式会社 | Pll制御方式 |
US5796778A (en) * | 1995-09-26 | 1998-08-18 | Symbios, Inc. | Receiver circuit having adaptive equalizer with characteristics determined by signal envelope measurement and method therefor |
JPH1075274A (ja) * | 1996-08-29 | 1998-03-17 | Mitsubishi Electric Corp | 軟判定復号器 |
US5974301A (en) * | 1996-09-18 | 1999-10-26 | Ludwig Kipp | Frequency cancelling system and method |
US6173161B1 (en) * | 1996-09-25 | 2001-01-09 | Lucent Technologies Inc. | Signal improvement by predistortion/postdistortion programmable converter |
AU5429398A (en) * | 1996-11-06 | 1998-05-29 | Sanielevici, Lucia | Apparatus and method for reducing low-frequency distortion in frequency converted signals |
US6067655A (en) * | 1997-08-28 | 2000-05-23 | Stmicroelectronics, N.V. | Burst error limiting symbol detector system |
US6188880B1 (en) | 1997-11-04 | 2001-02-13 | Lucia Sanielevici | Apparatus and method for reducing low-frequency distortion in frequency converted signals |
FI112739B (fi) | 1998-05-25 | 2003-12-31 | Nokia Corp | Menetelmä ja laitteisto häiritsevän signaalin havaitsemiseen radiovastaanottimessa |
KR100617778B1 (ko) * | 1999-07-07 | 2006-08-28 | 삼성전자주식회사 | 수신신호 열화 보상장치 및 방법 |
US7020188B2 (en) * | 2001-08-06 | 2006-03-28 | Broadcom Corporation | Multi-tone transmission |
US7657241B2 (en) | 2002-02-01 | 2010-02-02 | Qualcomm, Incorporated | Distortion reduction calibration |
US6996373B2 (en) * | 2002-06-18 | 2006-02-07 | Nokia Corporation | Base station |
US7599431B1 (en) * | 2004-11-24 | 2009-10-06 | Xilinx, Inc. | Combined decision feedback equalization and linear equalization |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3633107A (en) * | 1970-06-04 | 1972-01-04 | Bell Telephone Labor Inc | Adaptive signal processor for diversity radio receivers |
US3974449A (en) * | 1975-03-21 | 1976-08-10 | Bell Telephone Laboratories, Incorporated | Joint decision feedback equalization and carrier recovery adaptation in data transmission systems |
US4213095A (en) * | 1978-08-04 | 1980-07-15 | Bell Telephone Laboratories, Incorporated | Feedforward nonlinear equalization of modulated data signals |
US4281411A (en) * | 1979-06-25 | 1981-07-28 | Signatron, Inc. | High speed digital communication receiver |
JPS57109089A (en) * | 1980-12-26 | 1982-07-07 | Nec Corp | Initial value resetting circuit for operational amplifier |
JPS5962228A (ja) * | 1982-10-01 | 1984-04-09 | Nec Corp | 自動等化器 |
US4615038A (en) * | 1984-06-06 | 1986-09-30 | At&T Information Systems Inc. | Equalization of modulated data signals utilizing tentative and final decisions and replication of non-linear channel distortion |
US4831637A (en) * | 1984-06-19 | 1989-05-16 | American Telephone And Telegraph Company | Apparatus and technique for timing jitter cancellation in a data receiver |
JPH0681167B2 (ja) * | 1984-07-28 | 1994-10-12 | 富士通株式会社 | ディジタル無線通信用の受信装置 |
YU47270B (sh) * | 1986-10-31 | 1995-01-31 | Siemens Aktiengesellschaft Berlin I Minhen | Adaptivni korektor frekvencijskog domena za digitalne radio relejne sisteme |
GB8904606D0 (en) * | 1989-03-01 | 1989-04-12 | Plessey Co Plc | Intercoupled decision-feedback equaliser and carrier-recovery loop |
DE69025484T2 (de) * | 1989-03-31 | 1996-09-26 | Nippon Electric Co | Nachbarkanalstörungskompensator mit Minimisierungsmitteln für Nachbarsymbolstörung |
US5115452A (en) * | 1990-08-02 | 1992-05-19 | At&T Bell Laboratories | Phase jitter correction arrangement |
US5132926A (en) * | 1990-09-21 | 1992-07-21 | Proteon, Inc. | Token ring equalizer |
-
1991
- 1991-10-23 CA CA002054049A patent/CA2054049C/fr not_active Expired - Fee Related
- 1991-10-30 GB GB9122955A patent/GB2250667B/en not_active Expired - Fee Related
- 1991-11-05 MX MX9101918A patent/MX9101918A/es not_active IP Right Cessation
-
1993
- 1993-08-09 US US08/104,303 patent/US5361400A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2250667B (en) | 1995-01-04 |
US5361400A (en) | 1994-11-01 |
GB9122955D0 (en) | 1991-12-18 |
GB2250667A (en) | 1992-06-10 |
MX9101918A (es) | 1992-07-08 |
CA2054049C (fr) | 1996-02-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |