IL39522A - Data demodulator employing multiple correlations and filters - Google Patents
Data demodulator employing multiple correlations and filtersInfo
- Publication number
- IL39522A IL39522A IL39522A IL3952272A IL39522A IL 39522 A IL39522 A IL 39522A IL 39522 A IL39522 A IL 39522A IL 3952272 A IL3952272 A IL 3952272A IL 39522 A IL39522 A IL 39522A
- Authority
- IL
- Israel
- Prior art keywords
- signal
- baud
- phase
- counter
- output
- Prior art date
Links
- 239000013598 vector Substances 0.000 claims description 25
- 230000001427 coherent effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 12
- 238000012935 Averaging Methods 0.000 description 8
- 230000010354 integration Effects 0.000 description 6
- 230000003111 delayed effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 230000000295 complement effect Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
- 101150087426 Gnal gene Proteins 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- H04L7/0331—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 with a digital phase-locked loop [PLL] processing binary samples, e.g. add/subtract logic for correction of receiver clock
-
- 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
- H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15884471A | 1971-07-01 | 1971-07-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL39522A0 IL39522A0 (en) | 1972-11-28 |
| IL39522A true IL39522A (en) | 1977-05-31 |
Family
ID=22569958
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL39522A IL39522A (en) | 1971-07-01 | 1972-05-24 | Data demodulator employing multiple correlations and filters |
| IL47894A IL47894A (en) | 1971-07-01 | 1972-05-24 | Apparatus for producing baud timing signal |
| IL47894A IL47894A0 (en) | 1971-07-01 | 1975-08-08 | Apparatus for producing baud timing signal |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL47894A IL47894A (en) | 1971-07-01 | 1972-05-24 | Apparatus for producing baud timing signal |
| IL47894A IL47894A0 (en) | 1971-07-01 | 1975-08-08 | Apparatus for producing baud timing signal |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3729684A (OSRAM) |
| AU (1) | AU465781B2 (OSRAM) |
| BE (1) | BE785329A (OSRAM) |
| CA (1) | CA964732A (OSRAM) |
| CH (1) | CH560996A5 (OSRAM) |
| DE (1) | DE2231992A1 (OSRAM) |
| FR (1) | FR2143722B1 (OSRAM) |
| GB (1) | GB1401822A (OSRAM) |
| IL (3) | IL39522A (OSRAM) |
| IT (1) | IT960710B (OSRAM) |
| NL (1) | NL7208769A (OSRAM) |
| SE (2) | SE383819B (OSRAM) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3924197A (en) * | 1972-12-27 | 1975-12-02 | Mitsubishi Electric Corp | Circuit for reproducing reference carrier wave |
| US3886462A (en) * | 1972-12-27 | 1975-05-27 | Mitsubishi Electric Corp | Circuit for reproducing reference carrier wave |
| JPS5016462A (OSRAM) * | 1973-06-11 | 1975-02-21 | ||
| US3938052A (en) * | 1974-05-09 | 1976-02-10 | Teletype Corporation | Digital demodulator for phase-modulated waveforms |
| US4007331A (en) * | 1975-08-13 | 1977-02-08 | Bunker Ramo Corporation | Apparatus for demodulation of relative phase modulated binary data |
| US4007330A (en) * | 1975-08-13 | 1977-02-08 | Bunker Ramo Corporation | Method and apparatus for demodulation of relative phase modulated binary data |
| US4010323A (en) * | 1975-10-29 | 1977-03-01 | Bell Telephone Laboratories, Incorporated | Digital timing recovery |
| US3997847A (en) * | 1975-10-29 | 1976-12-14 | Bell Telephone Laboratories, Incorporated | Digital demodulator for differentially encoded phase-shift-keyed data |
| US4019149A (en) * | 1976-01-16 | 1977-04-19 | Bell Telephone Laboratories, Incorporated | Correlative data demodulator |
| US4169246A (en) * | 1976-12-06 | 1979-09-25 | Motorola, Inc. | Digital carrier correction circuit |
| JPS60223259A (ja) * | 1984-04-19 | 1985-11-07 | Nippon Kogaku Kk <Nikon> | Ｐｓｋ又はｄｐｓｋ復調回路 |
| JPS6231238A (ja) * | 1985-08-02 | 1987-02-10 | Canon Inc | 復調装置 |
| US5247470A (en) * | 1987-07-29 | 1993-09-21 | E-Systems, Inc. | Method and apparatus for estimating signal components of a filter output |
| GB2213662A (en) * | 1987-12-11 | 1989-08-16 | Philips Electronic Associated | Data demodulator carrier phase-error detector |
| US4876699A (en) * | 1988-05-06 | 1989-10-24 | Rockwell International Corporation | High speed sampled data digital phase detector apparatus |
| US5208839A (en) * | 1991-05-28 | 1993-05-04 | General Electric Company | Symbol synchronizer for sampled signals |
| US7187730B1 (en) | 2001-03-21 | 2007-03-06 | Marvell International Ltd. | Method and apparatus for predicting CCK subsymbols |
| US11588610B2 (en) * | 2020-09-14 | 2023-02-21 | Texas Instruments Incorporated | Data transition tracking for received data |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1191843A (en) * | 1966-07-07 | 1970-05-13 | Plessey Co Ltd | Improvements in or relating to Data Transmission Apparatus |
| SE336599B (OSRAM) * | 1967-08-08 | 1971-07-12 | Western Electric Co | |
| US3519937A (en) * | 1967-08-08 | 1970-07-07 | Bell Telephone Labor Inc | Quaternary differential-phase-modulated pcm repeater |
| US3614639A (en) * | 1969-07-30 | 1971-10-19 | Ibm | Fsk digital demodulator with majority decision filtering |
| US3571712A (en) * | 1969-07-30 | 1971-03-23 | Ibm | Digital fsk/psk detector |
| US3656064A (en) * | 1969-09-17 | 1972-04-11 | Sanders Associates Inc | Data demodulator employing comparison |
| US3646451A (en) * | 1970-08-07 | 1972-02-29 | Bell Telephone Labor Inc | Timing extraction circuit using a recirculating delay generator |
-
1971
- 1971-07-01 US US00158844A patent/US3729684A/en not_active Expired - Lifetime
-
1972
- 1972-05-23 AU AU42623/72A patent/AU465781B2/en not_active Expired
- 1972-05-24 IL IL39522A patent/IL39522A/en unknown
- 1972-05-24 IL IL47894A patent/IL47894A/en unknown
- 1972-06-12 CA CA144,443A patent/CA964732A/en not_active Expired
- 1972-06-19 FR FR7222004A patent/FR2143722B1/fr not_active Expired
- 1972-06-20 GB GB2885472A patent/GB1401822A/en not_active Expired
- 1972-06-23 BE BE785329A patent/BE785329A/xx unknown
- 1972-06-26 NL NL7208769A patent/NL7208769A/xx unknown
- 1972-06-26 IT IT26218/72A patent/IT960710B/it active
- 1972-06-29 DE DE2231992A patent/DE2231992A1/de not_active Ceased
- 1972-06-30 CH CH980972A patent/CH560996A5/xx not_active IP Right Cessation
- 1972-07-03 SE SE7208712A patent/SE383819B/xx unknown
-
1975
- 1975-02-26 SE SE7502171A patent/SE398187B/xx unknown
- 1975-08-08 IL IL47894A patent/IL47894A0/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2143722A1 (OSRAM) | 1973-02-09 |
| FR2143722B1 (OSRAM) | 1976-08-13 |
| SE398187B (sv) | 1977-12-05 |
| AU4262372A (en) | 1973-11-29 |
| SE383819B (sv) | 1976-03-29 |
| GB1401822A (en) | 1975-07-30 |
| IL39522A0 (en) | 1972-11-28 |
| IL47894A0 (en) | 1975-11-25 |
| US3729684A (en) | 1973-04-24 |
| BE785329A (fr) | 1972-10-16 |
| CA964732A (en) | 1975-03-18 |
| NL7208769A (OSRAM) | 1973-01-03 |
| SE7502171L (OSRAM) | 1975-02-26 |
| IT960710B (it) | 1973-11-30 |
| IL47894A (en) | 1977-05-31 |
| DE2231992A1 (de) | 1973-01-11 |
| CH560996A5 (OSRAM) | 1975-04-15 |
| AU465781B2 (en) | 1975-10-09 |
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