NO943189L - Demodulator for forbruker-anvendelser - Google Patents
Demodulator for forbruker-anvendelserInfo
- Publication number
- NO943189L NO943189L NO943189A NO943189A NO943189L NO 943189 L NO943189 L NO 943189L NO 943189 A NO943189 A NO 943189A NO 943189 A NO943189 A NO 943189A NO 943189 L NO943189 L NO 943189L
- Authority
- NO
- Norway
- Prior art keywords
- digital signals
- channel digital
- frequency
- signal
- phase errors
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
- H04L7/0334—Processing of samples having at least three levels, e.g. soft decisions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/003—Correction of carrier offset at baseband only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0053—Closed loops
- H04L2027/0057—Closed loops quadrature phase
Landscapes
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Engineering & Computer Science (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Amplifiers (AREA)
- Optical Communication System (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Analogue/Digital Conversion (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Detergent Compositions (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/998,300 US5550869A (en) | 1992-12-30 | 1992-12-30 | Demodulator for consumer uses |
PCT/US1993/012613 WO1994016505A2 (en) | 1992-12-30 | 1993-12-29 | Psk demodulator |
Publications (2)
Publication Number | Publication Date |
---|---|
NO943189D0 NO943189D0 (no) | 1994-08-29 |
NO943189L true NO943189L (no) | 1994-10-28 |
Family
ID=25545023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO943189A NO943189L (no) | 1992-12-30 | 1994-08-29 | Demodulator for forbruker-anvendelser |
Country Status (17)
Country | Link |
---|---|
US (1) | US5550869A (cs) |
EP (2) | EP0848523A3 (cs) |
JP (1) | JPH07508389A (cs) |
KR (1) | KR950700651A (cs) |
CN (1) | CN1092231A (cs) |
AT (1) | ATE183869T1 (cs) |
AU (1) | AU682336B2 (cs) |
BR (1) | BR9305988A (cs) |
CA (1) | CA2130269C (cs) |
CZ (4) | CZ197594A3 (cs) |
DE (1) | DE69326140T2 (cs) |
HU (1) | HUT68003A (cs) |
NO (1) | NO943189L (cs) |
NZ (1) | NZ261042A (cs) |
PL (2) | PL175825B1 (cs) |
RU (1) | RU2128399C1 (cs) |
WO (1) | WO1994016505A2 (cs) |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3252639B2 (ja) * | 1995-03-03 | 2002-02-04 | 三菱電機株式会社 | 検波器及び受信装置並びに送信装置 |
US5724396A (en) * | 1995-06-07 | 1998-03-03 | Discovision Associates | Signal processing system |
US5930286A (en) * | 1995-12-06 | 1999-07-27 | Conexant Systems, Inc. | Gain imbalance compensation for a quadrature receiver in a cordless direct sequence spread spectrum telephone |
US5764689A (en) * | 1995-12-06 | 1998-06-09 | Rockwell International Corporation | Variable digital automatic gain control in a cordless direct sequence spread spectrum telephone |
US5684435A (en) * | 1996-05-22 | 1997-11-04 | Hughes Electronics | Analog waveform communications reduced instruction set processor |
KR100189370B1 (ko) * | 1996-08-23 | 1999-06-01 | 전주범 | 직각 위상 편이 복조기의 자동 이득 제어장치 |
US6018553A (en) * | 1996-09-18 | 2000-01-25 | Wireless Access | Multi-level mixer architecture for direct conversion of FSK signals |
US6212246B1 (en) * | 1996-11-21 | 2001-04-03 | Dsp Group, Inc. | Symbol-quality evaluation in a digital communications receiver |
US6154483A (en) * | 1997-04-07 | 2000-11-28 | Golden Bridge Technology, Inc. | Coherent detection using matched filter enhanced spread spectrum demodulation |
US6002728A (en) * | 1997-04-17 | 1999-12-14 | Itt Manufacturing Enterprises Inc. | Synchronization and tracking in a digital communication system |
EP0920766B1 (en) * | 1997-05-23 | 2005-02-23 | Koninklijke Philips Electronics N.V. | Receiver with controllable amplifier means |
US5982315A (en) * | 1997-09-12 | 1999-11-09 | Qualcomm Incorporated | Multi-loop Σ Δ analog to digital converter |
US5903480A (en) * | 1997-09-29 | 1999-05-11 | Neomagic | Division-free phase-shift for digital-audio special effects |
JPH11127085A (ja) * | 1997-10-20 | 1999-05-11 | Fujitsu Ltd | 2モード復調装置 |
US6005506A (en) * | 1997-12-09 | 1999-12-21 | Qualcomm, Incorporated | Receiver with sigma-delta analog-to-digital converter for sampling a received signal |
US6498926B1 (en) | 1997-12-09 | 2002-12-24 | Qualcomm Incorporated | Programmable linear receiver having a variable IIP3 point |
US6081822A (en) * | 1998-03-11 | 2000-06-27 | Agilent Technologies, Inc. | Approximating signal power and noise power in a system |
US6278746B1 (en) * | 1998-05-12 | 2001-08-21 | Montreal Networks Limited | Timing recovery loop circuit in a receiver of a modem |
US6363129B1 (en) * | 1998-11-09 | 2002-03-26 | Broadcom Corporation | Timing recovery system for a multi-pair gigabit transceiver |
DE19860402A1 (de) * | 1998-12-28 | 2000-06-29 | Bosch Gmbh Robert | Verfahren und Schaltungsanordnung zur Demodulation eines digitalen frequenzmodulierten Signals |
CN1157030C (zh) | 1999-01-06 | 2004-07-07 | 皇家菲利浦电子有限公司 | 具有频偏校正转动装置的解调器 |
JP3252820B2 (ja) | 1999-02-24 | 2002-02-04 | 日本電気株式会社 | 復調及び変調回路並びに復調及び変調方法 |
JP3399400B2 (ja) * | 1999-04-15 | 2003-04-21 | 日本電気株式会社 | 周波数偏移復調回路 |
FR2796221B1 (fr) * | 1999-07-07 | 2002-04-12 | Sagem | Demodulateur de phase analogique-numerique |
DE19948899A1 (de) | 1999-10-11 | 2001-04-19 | Infineon Technologies Ag | Verfahren und Schaltungsanordnung zur digitalen Frequenzkorrektur eines Signals |
KR100662999B1 (ko) * | 1999-12-31 | 2006-12-28 | 매그나칩 반도체 유한회사 | 위상 오차 보상 회로 |
FR2808157B1 (fr) * | 2000-04-21 | 2002-07-26 | St Microelectronics Sa | Synthonisateur du type a frequence intermediaire nulle et procede de commande correspondant |
AU2001289045A1 (en) * | 2000-09-08 | 2002-03-22 | Avaz Networks | Hardware function generator support in a dsp |
DE60031142T2 (de) * | 2000-12-13 | 2007-08-23 | Juniper Networks, Inc., Sunnyvale | Tuner für digitalen Empfänger mit mehreren Eingangskanälen und Ausgangskanälen |
US7010073B2 (en) * | 2001-01-19 | 2006-03-07 | Qualcomm, Incorporated | Delay lock loops for wireless communication systems |
SE521838C2 (sv) * | 2001-02-16 | 2003-12-09 | Nat Semiconductor Corp | Metod och anordning för automatisk förstärkningsreglering |
US7248628B2 (en) | 2001-03-02 | 2007-07-24 | Shaeffer Derek K | Method and apparatus for a programmable filter |
DE10136071A1 (de) * | 2001-07-25 | 2003-02-13 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Kompensation eines Phasenfehlers eines Empfangs- und/oder Sendesystems mit I/Q-Schnittstelle |
DE10142019A1 (de) * | 2001-08-28 | 2003-03-20 | Philips Corp Intellectual Pty | Schaltungsanordnung zur Demodulation von Signalen |
US7020222B2 (en) * | 2001-10-24 | 2006-03-28 | Texas Instruments Incorporated | Efficient method and system for offset phasor determination |
KR100435494B1 (ko) * | 2001-11-21 | 2004-06-09 | 한국전자통신연구원 | 디지털 통신에서의 동기 수행 시스템 및 그 방법 |
KR100466589B1 (ko) * | 2002-02-18 | 2005-01-24 | 한국전자통신연구원 | 디지털 심볼 동기 장치 및 그 방법 |
FR2837338B1 (fr) * | 2002-03-15 | 2005-05-06 | St Microelectronics Sa | Circuit de demodulation de porteuses en quadrature a haute efficacite |
US7139332B2 (en) * | 2002-05-17 | 2006-11-21 | Broadcom Corporation | Quadrature receiver sampling architecture |
US7388931B1 (en) * | 2002-06-12 | 2008-06-17 | Marvell International Ltd. | ADC architecture for wireless applications |
JP2004032432A (ja) * | 2002-06-26 | 2004-01-29 | Matsushita Electric Ind Co Ltd | 受信装置 |
US8060050B2 (en) * | 2004-06-04 | 2011-11-15 | Broadcom Corporation | Method and system for analog and digital RF receiver interface |
CN1756083B (zh) * | 2004-09-29 | 2010-11-03 | 瑞昱半导体股份有限公司 | 模拟数字转换器的取样频率的相位调整方法 |
US7593707B2 (en) * | 2004-11-01 | 2009-09-22 | Broadcom Corp. | Method and system for compensation of DC offset in an RF receiver |
US7573948B2 (en) * | 2004-11-18 | 2009-08-11 | Broadcom Corporation | Radio transmitter incorporating digital modulator and circuitry to accommodate baseband processor with analog interface |
US7903772B2 (en) * | 2005-02-04 | 2011-03-08 | Broadcom Corporation | Digital demodulator with improved hardware and power efficiency |
US8184746B2 (en) * | 2005-07-04 | 2012-05-22 | Nxp B.V. | Simplified de-rotation in digital FM demodulator architectures |
US7529320B2 (en) * | 2005-09-16 | 2009-05-05 | Agere Systems Inc. | Format efficient timing acquisition for magnetic recording read channels |
GB2458908B (en) * | 2008-04-01 | 2010-02-24 | Michael Frank Castle | Low power signal processor |
US9157940B2 (en) * | 2011-02-09 | 2015-10-13 | Smart Energy Instruments, Inc. | Power measurement device |
US20230138082A1 (en) * | 2021-10-28 | 2023-05-04 | Avago Technologies International Sales Pte. Limited | System for and method of digital to analog conversion frequency distortion compensation |
CN114499560B (zh) * | 2021-12-30 | 2024-03-19 | 浙江地芯引力科技有限公司 | 无线电通信的信号解调方法、装置、设备及存储介质 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2950339C2 (de) * | 1979-12-14 | 1984-06-07 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren und Anordnung zur digitalen Regelung der Trägerphase in Empfängern von Datenübertragungssystemen |
US4422175A (en) * | 1981-06-11 | 1983-12-20 | Racal-Vadic, Inc. | Constrained adaptive equalizer |
FR2593341B1 (fr) * | 1986-01-20 | 1988-03-04 | Alcatel Thomson Faisceaux | Dispositif de recuperation de rythme |
US4888793A (en) * | 1988-05-06 | 1989-12-19 | Motorola, Inc. | Phase correcting DPSK/PSK receiver with digitally stored phase correction derived from received data |
GB2219899A (en) * | 1988-06-17 | 1989-12-20 | Philips Electronic Associated | A zero if receiver |
US4879728A (en) * | 1989-01-31 | 1989-11-07 | American Telephone And Telegraph Company, At&T Bell Laboratories | DPSK carrier acquisition and tracking arrangement |
US5001727A (en) * | 1989-02-15 | 1991-03-19 | Terra Marine Engineering, Inc. | Carrier and data recovery and demodulation system |
JPH03274844A (ja) * | 1990-03-24 | 1991-12-05 | Japan Radio Co Ltd | Psk変調信号の遅延検波回路 |
GB2248532A (en) * | 1990-10-01 | 1992-04-08 | Philips Electronic Associated | Digital filters |
US5280538A (en) * | 1991-02-22 | 1994-01-18 | Mitsubishi Denki Kabushiki Kaisha | Spread spectrum demodulator |
JPH04286248A (ja) * | 1991-03-14 | 1992-10-12 | Fujitsu Ltd | ベースバンド遅延検波器 |
DE59208453D1 (de) * | 1991-12-07 | 1997-06-12 | Philips Patentverwaltung | Mobilfunkempfänger dessen verbesserte Anfangssysnchronisation mit einer Feststation durch Frequenzschätzung mittels Impulserkennung erreicht wird |
DE4223121A1 (de) * | 1992-07-14 | 1994-01-20 | Deutsche Aerospace | Verfahren zur Trägerrückgewinnung bei der Demodulation von digital modulierten Signalen und Anordnungen zum Ausführen des Verfahrens |
US5302950A (en) * | 1992-07-17 | 1994-04-12 | International Business Machines Corp. | Method of and apparatus for providing automatic determination of information sampling rate |
-
1992
- 1992-12-30 US US07/998,300 patent/US5550869A/en not_active Expired - Lifetime
-
1993
- 1993-12-29 BR BR9305988A patent/BR9305988A/pt not_active IP Right Cessation
- 1993-12-29 HU HU9402492A patent/HUT68003A/hu unknown
- 1993-12-29 KR KR1019940702979A patent/KR950700651A/ko not_active Application Discontinuation
- 1993-12-29 EP EP98200500A patent/EP0848523A3/en not_active Withdrawn
- 1993-12-29 RU RU94042898A patent/RU2128399C1/ru active
- 1993-12-29 CA CA002130269A patent/CA2130269C/en not_active Expired - Fee Related
- 1993-12-29 EP EP94905539A patent/EP0628229B1/en not_active Expired - Lifetime
- 1993-12-29 CZ CZ941975A patent/CZ197594A3/cs unknown
- 1993-12-29 JP JP6516070A patent/JPH07508389A/ja active Pending
- 1993-12-29 PL PL93323275A patent/PL175825B1/pl unknown
- 1993-12-29 CZ CZ972794A patent/CZ279497A3/cs unknown
- 1993-12-29 CZ CZ972796A patent/CZ279697A3/cs unknown
- 1993-12-29 AT AT94905539T patent/ATE183869T1/de not_active IP Right Cessation
- 1993-12-29 WO PCT/US1993/012613 patent/WO1994016505A2/en not_active Application Discontinuation
- 1993-12-29 PL PL93305556A patent/PL175162B1/pl unknown
- 1993-12-29 CZ CZ972795A patent/CZ279597A3/cs unknown
- 1993-12-29 AU AU59615/94A patent/AU682336B2/en not_active Ceased
- 1993-12-29 NZ NZ261042A patent/NZ261042A/en unknown
- 1993-12-29 DE DE69326140T patent/DE69326140T2/de not_active Expired - Fee Related
- 1993-12-30 CN CN93121608A patent/CN1092231A/zh active Pending
-
1994
- 1994-08-29 NO NO943189A patent/NO943189L/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO943189D0 (no) | 1994-08-29 |
AU5961594A (en) | 1994-08-15 |
JPH07508389A (ja) | 1995-09-14 |
BR9305988A (pt) | 1997-10-21 |
CZ279497A3 (cs) | 1998-10-14 |
HU9402492D0 (en) | 1994-11-28 |
DE69326140T2 (de) | 2000-04-20 |
PL175825B1 (pl) | 1999-02-26 |
US5550869A (en) | 1996-08-27 |
CA2130269C (en) | 1999-11-16 |
WO1994016505A2 (en) | 1994-07-21 |
EP0848523A2 (en) | 1998-06-17 |
KR950700651A (ko) | 1995-01-16 |
EP0848523A3 (en) | 2001-09-26 |
NZ261042A (en) | 1996-07-26 |
PL305556A1 (en) | 1995-01-23 |
PL175162B1 (pl) | 1998-11-30 |
RU2128399C1 (ru) | 1999-03-27 |
EP0628229B1 (en) | 1999-08-25 |
DE69326140D1 (de) | 1999-09-30 |
CZ279597A3 (cs) | 1998-10-14 |
CZ197594A3 (en) | 1995-02-15 |
HUT68003A (en) | 1995-05-29 |
ATE183869T1 (de) | 1999-09-15 |
WO1994016505A3 (en) | 1994-09-29 |
CN1092231A (zh) | 1994-09-14 |
EP0628229A1 (en) | 1994-12-14 |
AU682336B2 (en) | 1997-10-02 |
CZ279697A3 (cs) | 1998-10-14 |
CA2130269A1 (en) | 1994-07-21 |
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