AU2002239293A1 - Apparatus for receiving and recovering frequency shift keyed symbols - Google Patents
Apparatus for receiving and recovering frequency shift keyed symbolsInfo
- Publication number
- AU2002239293A1 AU2002239293A1 AU2002239293A AU3929302A AU2002239293A1 AU 2002239293 A1 AU2002239293 A1 AU 2002239293A1 AU 2002239293 A AU2002239293 A AU 2002239293A AU 3929302 A AU3929302 A AU 3929302A AU 2002239293 A1 AU2002239293 A1 AU 2002239293A1
- Authority
- AU
- Australia
- Prior art keywords
- receiving
- frequency shift
- shift keyed
- recovering frequency
- keyed symbols
- 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.)
- Abandoned
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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03178—Arrangements involving sequence estimation techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
-
- 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
- H04L27/2334—Demodulator circuits; Receiver circuits using non-coherent demodulation using filters
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/709,687 | 2000-11-10 | ||
US09/709,687 US6487240B1 (en) | 2000-11-10 | 2000-11-10 | Apparatus for receiving and recovering frequency shift keyed symbols |
PCT/US2001/043413 WO2002041506A2 (en) | 2000-11-10 | 2001-11-06 | Apparatus for receiving and recovering frequency shift keyed symbols |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2002239293A1 true AU2002239293A1 (en) | 2002-05-27 |
Family
ID=24850927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2002239293A Abandoned AU2002239293A1 (en) | 2000-11-10 | 2001-11-06 | Apparatus for receiving and recovering frequency shift keyed symbols |
Country Status (7)
Country | Link |
---|---|
US (3) | US6487240B1 (en) |
JP (1) | JP3968304B2 (en) |
KR (1) | KR100544245B1 (en) |
CN (1) | CN100358325C (en) |
AU (1) | AU2002239293A1 (en) |
GB (1) | GB2386305B (en) |
WO (1) | WO2002041506A2 (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6487240B1 (en) * | 2000-11-10 | 2002-11-26 | Motorola, Inc. | Apparatus for receiving and recovering frequency shift keyed symbols |
GB2377129B (en) * | 2001-06-29 | 2005-05-11 | Nokia Corp | Wireless communication device and method |
CA2474897C (en) * | 2002-02-12 | 2012-03-13 | Michael Robert Fitch | Gaussian fsk modulation with more than two modulation states |
US7317714B2 (en) * | 2002-06-21 | 2008-01-08 | At&T Deleware Intellectual Property, Inc. | Internet call waiting messaging |
US6931117B2 (en) * | 2002-06-21 | 2005-08-16 | Bellsouth Intellectual Property Corporation | Caller control of internet call waiting |
US7899500B2 (en) * | 2002-09-24 | 2011-03-01 | At&T Intellectual Property I, L. P. | Apparatus and method for providing hands-free operation of a device |
US7027842B2 (en) * | 2002-09-24 | 2006-04-11 | Bellsouth Intellectual Property Corporation | Apparatus and method for providing hands-free operation of a device |
US8849185B2 (en) * | 2003-04-15 | 2014-09-30 | Ipventure, Inc. | Hybrid audio delivery system and method therefor |
US7818037B2 (en) * | 2003-09-19 | 2010-10-19 | Radeum, Inc. | Techniques for wirelessly controlling push-to-talk operation of half-duplex wireless device |
US7818036B2 (en) * | 2003-09-19 | 2010-10-19 | Radeum, Inc. | Techniques for wirelessly controlling push-to-talk operation of half-duplex wireless device |
US7149552B2 (en) * | 2003-09-19 | 2006-12-12 | Radeum, Inc. | Wireless headset for communications device |
CN101064707B (en) * | 2006-04-28 | 2010-05-12 | 北京泰美世纪科技有限公司 | Bandlimited stochastic sequence generating method and its apparatus |
US8731146B2 (en) | 2007-01-04 | 2014-05-20 | At&T Intellectual Property I, L.P. | Call re-directed based on voice command |
US8625722B2 (en) * | 2010-07-30 | 2014-01-07 | Sensus Usa Inc. | GFSK receiver architecture and methodology |
WO2012131735A1 (en) * | 2011-03-31 | 2012-10-04 | Aeb Industriale S.R.L. | Digital microphone radio transmission system |
US9306781B2 (en) * | 2014-04-01 | 2016-04-05 | Samsung Electronics Co., Ltd | Apparatus and method for receiving signal in communication system supporting Gaussian frequency shift keying modulation scheme |
KR101824399B1 (en) * | 2015-12-30 | 2018-02-01 | 어보브반도체 주식회사 | Bluetooth signal receiving method and device using improved packet detection and symbol timing acquisition |
KR101817544B1 (en) * | 2015-12-30 | 2018-01-11 | 어보브반도체 주식회사 | Bluetooth signal receiving method and device using improved carrier frequency offset compensation |
KR101790960B1 (en) | 2015-12-30 | 2017-11-20 | 어보브반도체 주식회사 | Bluetooth smart signal receiving method and device using improved automatic gain control |
KR101828790B1 (en) | 2015-12-30 | 2018-03-29 | 어보브반도체 주식회사 | Frequency shift keying signal receiving method and device |
KR101906149B1 (en) | 2015-12-30 | 2018-10-10 | 어보브반도체 주식회사 | Bluetooth signal receiving method and device using improved symbol timing offset compensation |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5208835A (en) * | 1990-09-24 | 1993-05-04 | In-Situ, Inc. | Automatic frequency control system and method for frequency-shift-key data transmission systems |
US5377229A (en) * | 1990-12-19 | 1994-12-27 | Motorola, Inc. | Multi-modulation scheme compatible radio |
US5852636A (en) * | 1997-08-08 | 1998-12-22 | Serge Mathieu | Method of and apparatus for modulation of FSK carrier in a very narrow band |
JPH1188452A (en) * | 1997-09-02 | 1999-03-30 | Uniden Corp | Receiver and method for demodulating reception signal |
US6647070B1 (en) * | 1998-09-10 | 2003-11-11 | Texas Instruments Incorporated | Method and apparatus for combating impulse noise in digital communications channels |
KR100339661B1 (en) * | 2000-05-03 | 2002-06-05 | 김춘호 | Apparatus for compensating channel distortion in bluetooth system |
US6487240B1 (en) * | 2000-11-10 | 2002-11-26 | Motorola, Inc. | Apparatus for receiving and recovering frequency shift keyed symbols |
-
2000
- 2000-11-10 US US09/709,687 patent/US6487240B1/en not_active Expired - Lifetime
-
2001
- 2001-02-27 US US09/794,285 patent/US7376207B2/en not_active Expired - Fee Related
- 2001-11-06 AU AU2002239293A patent/AU2002239293A1/en not_active Abandoned
- 2001-11-06 WO PCT/US2001/043413 patent/WO2002041506A2/en active IP Right Grant
- 2001-11-06 GB GB0309875A patent/GB2386305B/en not_active Expired - Fee Related
- 2001-11-06 KR KR1020037006005A patent/KR100544245B1/en not_active IP Right Cessation
- 2001-11-06 JP JP2002543796A patent/JP3968304B2/en not_active Expired - Fee Related
- 2001-11-06 CN CNB018186637A patent/CN100358325C/en not_active Expired - Fee Related
-
2008
- 2008-04-22 US US12/107,603 patent/US7639762B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1475068A (en) | 2004-02-11 |
CN100358325C (en) | 2007-12-26 |
JP3968304B2 (en) | 2007-08-29 |
GB2386305A (en) | 2003-09-10 |
US20020057746A1 (en) | 2002-05-16 |
US7639762B2 (en) | 2009-12-29 |
WO2002041506A2 (en) | 2002-05-23 |
US6487240B1 (en) | 2002-11-26 |
JP2004514368A (en) | 2004-05-13 |
US7376207B2 (en) | 2008-05-20 |
WO2002041506A3 (en) | 2002-09-06 |
GB2386305B (en) | 2004-06-30 |
US20080260072A1 (en) | 2008-10-23 |
KR100544245B1 (en) | 2006-01-23 |
KR20030051761A (en) | 2003-06-25 |
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