FI920093A - Demodulationsfoerfarande foer binaera data. - Google Patents
Demodulationsfoerfarande foer binaera data. Download PDFInfo
- Publication number
- FI920093A FI920093A FI920093A FI920093A FI920093A FI 920093 A FI920093 A FI 920093A FI 920093 A FI920093 A FI 920093A FI 920093 A FI920093 A FI 920093A FI 920093 A FI920093 A FI 920093A
- Authority
- FI
- Finland
- Prior art keywords
- demodulationsfoerfarande
- binaera
- foer
- data
- foer binaera
- 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
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
- H04L27/148—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using filters, including PLL-type filters
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Radio Transmission System (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH5191 | 1991-01-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI920093A0 FI920093A0 (fi) | 1992-01-09 |
FI920093A true FI920093A (fi) | 1992-07-11 |
Family
ID=4178202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI920093A FI920093A (fi) | 1991-01-10 | 1992-01-09 | Demodulationsfoerfarande foer binaera data. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5287516A (fi) |
EP (1) | EP0494429B1 (fi) |
JP (1) | JPH04326230A (fi) |
DE (1) | DE59104801D1 (fi) |
ES (1) | ES2069812T3 (fi) |
FI (1) | FI920093A (fi) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5625645A (en) * | 1995-07-25 | 1997-04-29 | International Business Machines Corporation | Differential pulse encoding and decoding for binary data transmissions |
US5818296A (en) * | 1997-06-17 | 1998-10-06 | Hughes Electronics Corporation | FSK demodulator using goertzel's discrete fourier transform |
US6061551A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for down-converting electromagnetic signals |
US6694128B1 (en) | 1998-08-18 | 2004-02-17 | Parkervision, Inc. | Frequency synthesizer using universal frequency translation technology |
US7515896B1 (en) | 1998-10-21 | 2009-04-07 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US6091940A (en) | 1998-10-21 | 2000-07-18 | Parkervision, Inc. | Method and system for frequency up-conversion |
US6560301B1 (en) * | 1998-10-21 | 2003-05-06 | Parkervision, Inc. | Integrated frequency translation and selectivity with a variety of filter embodiments |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US7039372B1 (en) * | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US6542722B1 (en) * | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
US6049706A (en) | 1998-10-21 | 2000-04-11 | Parkervision, Inc. | Integrated frequency translation and selectivity |
US6061555A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
US6704549B1 (en) | 1999-03-03 | 2004-03-09 | Parkvision, Inc. | Multi-mode, multi-band communication system |
US6879817B1 (en) * | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
US6853690B1 (en) * | 1999-04-16 | 2005-02-08 | Parkervision, Inc. | Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
US6873836B1 (en) * | 1999-03-03 | 2005-03-29 | Parkervision, Inc. | Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US7110444B1 (en) * | 1999-08-04 | 2006-09-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
US7082171B1 (en) * | 1999-11-24 | 2006-07-25 | Parkervision, Inc. | Phase shifting applications of universal frequency translation |
US7292835B2 (en) * | 2000-01-28 | 2007-11-06 | Parkervision, Inc. | Wireless and wired cable modem applications of universal frequency translation technology |
DE60028729T2 (de) * | 2000-04-04 | 2006-11-30 | Deutsche Thomson-Brandt Gmbh | Verfahren zur Demodulation von frequenzumgetasteten (FSK-)Signalen und FSK-Demodulator |
US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
US7010559B2 (en) * | 2000-11-14 | 2006-03-07 | Parkervision, Inc. | Method and apparatus for a parallel correlator and applications thereof |
US7454453B2 (en) * | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
US7072427B2 (en) * | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
US7460584B2 (en) * | 2002-07-18 | 2008-12-02 | Parkervision, Inc. | Networking methods and systems |
TWI280690B (en) * | 2003-03-18 | 2007-05-01 | Tdk Corp | Electronic device for wireless communications and reflector device for wireless communication cards |
US7392459B2 (en) * | 2004-04-14 | 2008-06-24 | Lucent Technologies Inc. | Method and apparatus for preventing a false pass of a cyclic redundancy check at a receiver during weak receiving conditions in a wireless communications system |
CN106161309B (zh) * | 2015-03-27 | 2020-04-24 | 恩智浦美国有限公司 | 解调频移键控调制的输入信号的方法和解调器 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4163209A (en) * | 1977-09-28 | 1979-07-31 | Harris Corporation | Technique for controlling memoryful non-linearities |
DE2852374C2 (de) * | 1978-12-04 | 1980-10-02 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren und Schaltungsanordnung zur frequenzmodulierten Übertragung eines Binärsignals |
US4475219A (en) * | 1982-08-18 | 1984-10-02 | General Electric Company | Demodulator for frequency-shift-keyed binary data signals |
GB8513218D0 (en) * | 1985-05-24 | 1985-06-26 | Emi Ltd | Signal receiver |
US5099440A (en) * | 1985-12-04 | 1992-03-24 | International Business Machines Corporation | Probability adaptation for arithmetic coders |
-
1991
- 1991-11-26 US US07/798,618 patent/US5287516A/en not_active Expired - Fee Related
- 1991-12-20 DE DE59104801T patent/DE59104801D1/de not_active Expired - Fee Related
- 1991-12-20 ES ES91121940T patent/ES2069812T3/es not_active Expired - Lifetime
- 1991-12-20 EP EP91121940A patent/EP0494429B1/de not_active Expired - Lifetime
- 1991-12-27 JP JP3345683A patent/JPH04326230A/ja active Pending
-
1992
- 1992-01-09 FI FI920093A patent/FI920093A/fi unknown
Also Published As
Publication number | Publication date |
---|---|
EP0494429A1 (de) | 1992-07-15 |
JPH04326230A (ja) | 1992-11-16 |
ES2069812T3 (es) | 1995-05-16 |
EP0494429B1 (de) | 1995-03-01 |
US5287516A (en) | 1994-02-15 |
DE59104801D1 (de) | 1995-04-06 |
FI920093A0 (fi) | 1992-01-09 |
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