ZA200506032B - Integer cycle frequency hopping modulation for the radio frequency transmission of high speed data - Google Patents
Integer cycle frequency hopping modulation for the radio frequency transmission of high speed data Download PDFInfo
- Publication number
- ZA200506032B ZA200506032B ZA200506032A ZA200506032A ZA200506032B ZA 200506032 B ZA200506032 B ZA 200506032B ZA 200506032 A ZA200506032 A ZA 200506032A ZA 200506032 A ZA200506032 A ZA 200506032A ZA 200506032 B ZA200506032 B ZA 200506032B
- Authority
- ZA
- South Africa
- Prior art keywords
- carrier
- frequency
- binary
- radio frequency
- modulated
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title description 18
- 238000000034 method Methods 0.000 claims description 36
- 230000003595 spectral effect Effects 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims 3
- 230000008929 regeneration Effects 0.000 claims 2
- 238000011069 regeneration method Methods 0.000 claims 2
- 238000001228 spectrum Methods 0.000 description 17
- 230000008859 change Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 5
- 230000001413 cellular effect Effects 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005267 amalgamation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- H04L27/12—Modulator circuits; Transmitter circuits
- H04L27/122—Modulator circuits; Transmitter circuits using digital generation of carrier signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
-
- 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
- H04L27/18—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
- H04L27/2014—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes in a piecewise linear manner during each symbol period, e.g. minimum shift keying, fast frequency shift keying
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44271603P | 2003-01-27 | 2003-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200506032B true ZA200506032B (en) | 2007-03-28 |
Family
ID=33450266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200506032A ZA200506032B (en) | 2003-01-27 | 2004-01-27 | Integer cycle frequency hopping modulation for the radio frequency transmission of high speed data |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20040196910A1 (fr) |
| EP (1) | EP1623574A4 (fr) |
| AU (1) | AU2004240062B2 (fr) |
| CA (1) | CA2512145A1 (fr) |
| MX (1) | MXPA05007957A (fr) |
| WO (1) | WO2004102818A2 (fr) |
| ZA (1) | ZA200506032B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1771021A1 (fr) * | 2005-09-29 | 2007-04-04 | Telefonaktiebolaget LM Ericsson (publ) | Procédé et appareil d'attribution des ressources radio |
| US20070247252A1 (en) * | 2006-04-11 | 2007-10-25 | Lexel Imaging Systems, Inc. | Ascertaining zero crossing of a carrier waveform for transmitting and receiving signals with substantially no sidebands |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2677015A (en) * | 1952-06-03 | 1954-04-27 | Us Navy | Frequency shift measuring circuit |
| GB1143202A (en) * | 1966-06-22 | 1969-02-19 | British Telecomm Res Ltd | Improvements in electrical signalling systems using a common transmission path |
| US3454718A (en) * | 1966-10-03 | 1969-07-08 | Xerox Corp | Fsk transmitter with transmission of the same number of cycles of each carrier frequency |
| US3555428A (en) * | 1966-10-03 | 1971-01-12 | Xerox Corp | Fsk receiver for detecting a data signal with the same number of cycles of each carrier frequency |
| US3522539A (en) * | 1967-08-08 | 1970-08-04 | Us Navy | System for demodulating digital data information contained in frequency shift keyed signals |
| US3518552A (en) * | 1968-03-27 | 1970-06-30 | Motorola Inc | Multi-frequency signal generation |
| US3803354A (en) * | 1971-06-17 | 1974-04-09 | Singer Co | Frequency shift digital communication system |
| US4081748A (en) * | 1976-07-01 | 1978-03-28 | Northern Illinois Gas Company | Frequency/space diversity data transmission system |
| US4688255A (en) * | 1984-05-29 | 1987-08-18 | Kahn Leonard R | Compatible AM broadcast/data transmisison system |
| CH684860A5 (de) * | 1992-04-23 | 1995-01-13 | Haeni Prolectron Ag | Verfahren und Schaltungsanordnung zur Uebertragung von binären Datenfolgen. |
| JP3319931B2 (ja) * | 1995-12-27 | 2002-09-03 | 吉川アールエフシステム株式会社 | Ｆｓｋ変調回路 |
| US5896375A (en) * | 1996-07-23 | 1999-04-20 | Ericsson Inc. | Short-range radio communications system and method of use |
| US5926066A (en) * | 1997-03-03 | 1999-07-20 | National Semiconductor Corporation | Chopper-stabilized operational amplifier including integrated circuit with true random voltage output |
| US6240073B1 (en) * | 1997-11-14 | 2001-05-29 | Shiron Satellite Communications (1996) Ltd. | Reverse link for a satellite communication network |
| US5838210A (en) * | 1997-12-01 | 1998-11-17 | Motorola, Inc. | Method and apparatus for generating a modulated signal |
| US5910752A (en) * | 1997-12-09 | 1999-06-08 | Qualcomm Incorporated | Frequency demodulator with resampled output |
| US5886573A (en) * | 1998-03-06 | 1999-03-23 | Fujant, Inc. | Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier |
| US6901246B2 (en) * | 2000-10-06 | 2005-05-31 | Xg Technology, Llc | Suppressed cycle based carrier modulation using amplitude modulation |
| US20020196865A1 (en) * | 2001-06-25 | 2002-12-26 | The National University Of Singapore | Cycle-by-cycle synchronous waveform shaping circuits based on time-domain superpostion and convolution |
-
2004
- 2004-01-27 CA CA002512145A patent/CA2512145A1/fr not_active Abandoned
- 2004-01-27 WO PCT/US2004/002163 patent/WO2004102818A2/fr active Application Filing
- 2004-01-27 EP EP04749306A patent/EP1623574A4/fr not_active Withdrawn
- 2004-01-27 AU AU2004240062A patent/AU2004240062B2/en not_active Ceased
- 2004-01-27 US US10/765,442 patent/US20040196910A1/en not_active Abandoned
- 2004-01-27 MX MXPA05007957A patent/MXPA05007957A/es active IP Right Grant
- 2004-01-27 ZA ZA200506032A patent/ZA200506032B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU2004240062A1 (en) | 2004-11-25 |
| MXPA05007957A (es) | 2006-04-18 |
| EP1623574A2 (fr) | 2006-02-08 |
| EP1623574A4 (fr) | 2007-08-15 |
| WO2004102818A2 (fr) | 2004-11-25 |
| US20040196910A1 (en) | 2004-10-07 |
| WO2004102818A3 (fr) | 2005-04-07 |
| CA2512145A1 (fr) | 2004-11-25 |
| AU2004240062B2 (en) | 2010-04-22 |
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