CN1647363B - 通讯系统中接收、处理以及解调数字调频模拟信号的方法 - Google Patents
通讯系统中接收、处理以及解调数字调频模拟信号的方法 Download PDFInfo
- Publication number
- CN1647363B CN1647363B CN03807664.0A CN03807664A CN1647363B CN 1647363 B CN1647363 B CN 1647363B CN 03807664 A CN03807664 A CN 03807664A CN 1647363 B CN1647363 B CN 1647363B
- Authority
- CN
- China
- Prior art keywords
- signal
- zero
- frequency
- interval
- received 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.)
- Expired - Fee Related
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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
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
- H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of oscillations
-
- 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
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
- H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
- H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10214581A DE10214581A1 (de) | 2002-04-02 | 2002-04-02 | Demodulation eines digital frequenzmodulierten analogen Empfangssignals durch Auswertung der zeitlichen Abstände zwischen den Nulldurchgängen |
DE10214581.4 | 2002-04-02 | ||
PCT/DE2003/000731 WO2003084052A1 (de) | 2002-04-02 | 2003-03-06 | Demodulation eines digital frequenzmodulierten analogen empfangssignals durch auswertung der zeitlichen abstände zwischen den nulldurchgängen |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1647363A CN1647363A (zh) | 2005-07-27 |
CN1647363B true CN1647363B (zh) | 2010-12-01 |
Family
ID=28458531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN03807664.0A Expired - Fee Related CN1647363B (zh) | 2002-04-02 | 2003-03-06 | 通讯系统中接收、处理以及解调数字调频模拟信号的方法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7646827B2 (zh) |
EP (1) | EP1490962B1 (zh) |
CN (1) | CN1647363B (zh) |
DE (2) | DE10214581A1 (zh) |
WO (1) | WO2003084052A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10342192B4 (de) | 2003-09-12 | 2011-06-16 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Berechnung von Nulldurchgangs-Referenzsequenzen für die Signaldetektion winkelmodulierter Signale auf der Basis von Nulldurchgängen des Empfangssignals |
DE10342193B3 (de) * | 2003-09-12 | 2005-04-07 | Infineon Technologies Ag | Verfahren zur Rekonstruktion von Nulldurchgangsinformation von verrauschten winkelmodulierten Signalen nach einer Limiter-Diskriminator-Signalverarbeitung |
FR2893802B1 (fr) * | 2005-11-23 | 2008-10-17 | Adeunis Rf Sa | Demodulateur numerique pour un recepteur radioelectrique fsk a bande etroite, et procede de demodulation. |
US9313268B2 (en) * | 2009-03-03 | 2016-04-12 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and arrangements for prioritization in a peer-to-peer network |
US10079660B2 (en) * | 2017-01-25 | 2018-09-18 | Samsung Electroncis Co., Ltd. | System and method of tracking and compensating for frequency and timing offsets of modulated signals |
US11381430B2 (en) | 2020-03-19 | 2022-07-05 | Cypress Semiconductor Corporation | Phase/frequency tracking transceiver |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5103463A (en) * | 1990-08-30 | 1992-04-07 | Comacs, Ltd. | Method and system for encoding and decoding frequency shift keying signals |
EP0529986A2 (en) * | 1991-08-30 | 1993-03-03 | International Control Automation Finance S.A. | FSK modulator and demodulator |
US5355092A (en) * | 1992-06-26 | 1994-10-11 | Sanyo Electric Co., Ltd. | Relatively simple QPSK demodulator, that uses substantially all digital circuitry and an internally generated symbol clock, and circuitry for use therein |
US5617374A (en) * | 1994-06-14 | 1997-04-01 | Matsushita Electric Industrial Co., Ltd. | Signal detection device and clock recovery device using the same |
CN1239366A (zh) * | 1998-03-03 | 1999-12-22 | 三星电子株式会社 | 使用过零检测的调制设备和方法 |
US6044118A (en) * | 1997-05-05 | 2000-03-28 | Nokia Mobile Phones Limited | Method for adjusting the frequency of an oscillator for a receiver circuit |
CN1259792A (zh) * | 1998-11-06 | 2000-07-12 | 刘英彰 | 交流功率控制装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3614639A (en) * | 1969-07-30 | 1971-10-19 | Ibm | Fsk digital demodulator with majority decision filtering |
US3843843A (en) * | 1972-10-30 | 1974-10-22 | Rca Corp | A time division multiple access synchronization technique |
US4357634A (en) * | 1979-10-01 | 1982-11-02 | Chung David H | Encoding and decoding digital information utilizing time intervals between pulses |
DE4210265C2 (de) * | 1992-03-28 | 1994-02-17 | Voelkel Mikroelektronik Gmbh | Verfahren und Vorrichtung zur digitalen Aufbereitung frequenzmodulierter Signale, insbesondere für Funkempfänger |
US6704399B1 (en) * | 1999-04-12 | 2004-03-09 | Conexant Systems, Inc. | Quick connect parameter exchange |
US6265948B1 (en) * | 1999-12-20 | 2001-07-24 | Agere Systems Guardian Corp. | Image rejection in logic-based architecture for FSK modulation and demodulation |
DE10103479A1 (de) | 2001-01-26 | 2002-08-08 | Infineon Technologies Ag | Signalempfangs- und -verarbeitungsverfahren für schnurlose Kommunikationssysteme |
KR100403625B1 (ko) * | 2001-04-17 | 2003-10-30 | 삼성전자주식회사 | 다중 임계값을 이용한 발신자 정보 복조 장치 및 복조 방법 |
-
2002
- 2002-04-02 DE DE10214581A patent/DE10214581A1/de not_active Withdrawn
-
2003
- 2003-03-06 EP EP03717137A patent/EP1490962B1/de not_active Expired - Fee Related
- 2003-03-06 WO PCT/DE2003/000731 patent/WO2003084052A1/de active IP Right Grant
- 2003-03-06 CN CN03807664.0A patent/CN1647363B/zh not_active Expired - Fee Related
- 2003-03-06 DE DE50309780T patent/DE50309780D1/de not_active Expired - Lifetime
-
2004
- 2004-10-01 US US10/956,767 patent/US7646827B2/en not_active Expired - Fee Related
-
2009
- 2009-09-21 US US12/563,671 patent/US8625720B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5103463A (en) * | 1990-08-30 | 1992-04-07 | Comacs, Ltd. | Method and system for encoding and decoding frequency shift keying signals |
EP0529986A2 (en) * | 1991-08-30 | 1993-03-03 | International Control Automation Finance S.A. | FSK modulator and demodulator |
US5355092A (en) * | 1992-06-26 | 1994-10-11 | Sanyo Electric Co., Ltd. | Relatively simple QPSK demodulator, that uses substantially all digital circuitry and an internally generated symbol clock, and circuitry for use therein |
US5617374A (en) * | 1994-06-14 | 1997-04-01 | Matsushita Electric Industrial Co., Ltd. | Signal detection device and clock recovery device using the same |
US6044118A (en) * | 1997-05-05 | 2000-03-28 | Nokia Mobile Phones Limited | Method for adjusting the frequency of an oscillator for a receiver circuit |
CN1239366A (zh) * | 1998-03-03 | 1999-12-22 | 三星电子株式会社 | 使用过零检测的调制设备和方法 |
CN1259792A (zh) * | 1998-11-06 | 2000-07-12 | 刘英彰 | 交流功率控制装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2003084052A1 (de) | 2003-10-09 |
US7646827B2 (en) | 2010-01-12 |
US20100014613A1 (en) | 2010-01-21 |
DE50309780D1 (de) | 2008-06-19 |
US8625720B2 (en) | 2014-01-07 |
EP1490962B1 (de) | 2008-05-07 |
US20050058225A1 (en) | 2005-03-17 |
CN1647363A (zh) | 2005-07-27 |
EP1490962A1 (de) | 2004-12-29 |
DE10214581A1 (de) | 2003-10-23 |
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Legal Events
Date | Code | Title | Description |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LTD. Free format text: FORMER OWNER: INFINEON TECHNOLOGIES AG Effective date: 20120615 Owner name: INTEL MOBILE COMMUNICATIONS LTD. Free format text: FORMER OWNER: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LTD. Effective date: 20120615 |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER NAME: INFENNIAN TECHNOLOGIES AG |
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CP03 | Change of name, title or address |
Address after: Neubiberg, Germany Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
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TR01 | Transfer of patent right |
Effective date of registration: 20120615 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Infineon Technologies AG Effective date of registration: 20120615 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20160306 |
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CF01 | Termination of patent right due to non-payment of annual fee |