Method to increase performance of secondary data in a hierachical modulation scheme
Abstract
The present invention provides a receiver (216, 217, 340) for use in a SDAR system (210), the receiver including a receiving unit including a satellite signal detection means (342, 343) for detecting a first transmit signal transmitted from a first communication satellite (212, 214) and a second transmit signal transmitted from a second communication satellite (212, 214), the first transmit signal produced when the transmitter modulates a primary data stream (302) with a secondary data stream (304) on a first carrier wave associated with the first communication satellite and the second transmit signal produced when the transmitter modulates the primary and secondary data streams on a second carrier wave associated with the second communication satellite; and at least one demodulator (344) coupled to the receiving unit and configured to demodulate the first transmit signal.

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Projected expiry passed 23 November 2024, 1.8 years ago.
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Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| WO0139454A1 | Cites | World Intellectual Property Organization (WIPO) | A | Search report | 1-53 |
| EP1113607A2 | Cites | European Patent Office (EPO) | A | Search report | 1-53 |
| US6510317B1 | Cites | United States of America | X | Search report | 1-3,24-26,32 |
63 members in 5 offices; this record represents the family
Priority claims8
| Document | Office | Kind | Date |
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| 525616P | United States of America | – | |
| 52561603 | United States of America | P | |
| 847944 | United States of America | – | |
| 84794404 | United States of America | A | |
| 525616P | – | – | – |
| 847944 | – | – | – |
| US20030525616P | – | – | – |
| US20040847944 | – | – | – |
Members63
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| US2005111580A1 | United States of America | A1 | |
| US2005111581A1 | United States of America | A1 | |
| US2005113040A1 | United States of America | A1 | |
| EP1536574A2 | European Patent Office (EPO) | A2 | |
| US2005117669A1 | United States of America | A1 | |
| WO2005055440A2 | World Intellectual Property Organization (WIPO) | A2 | |
| WO2005055443A2 | World Intellectual Property Organization (WIPO) | A2 | |
| WO2005055444A2 | World Intellectual Property Organization (WIPO) | A2 | |
| WO2005055444A2 | World Intellectual Property Organization (WIPO) | A2 | |
| WO2005055489A2 | World Intellectual Property Organization (WIPO) | A2 | |
| WO2005055619A2 | World Intellectual Property Organization (WIPO) | A2 | |
| US2005141627A1 | United States of America | A1 | |
| US2005143004A1 | United States of America | A1 | |
| WO2005055489A3 | World Intellectual Property Organization (WIPO) | A3 | |
| WO2005055440A3 | World Intellectual Property Organization (WIPO) | A3 | |
| EP1690340A2 | European Patent Office (EPO) | A2 | |
| EP1690341A2 | European Patent Office (EPO) | A2 | |
| EP1690342A2 | European Patent Office (EPO) | A2 | |
| EP1690343A2 | European Patent Office (EPO) | A2 | |
| EP1692877A2 | European Patent Office (EPO) | A2 | |
| WO2005055444A3 | World Intellectual Property Organization (WIPO) | A3 | |
| WO2005055444A3 | World Intellectual Property Organization (WIPO) | A3 | |
| WO2005055619A3 | World Intellectual Property Organization (WIPO) | A3 | |
| US2006276145A1 | United States of America | A1 | |
| US2007054614A1 | United States of America | A1 | |
| US7215713B2 | United States of America | B2 | |
| US7230992B2 | United States of America | B2 | |
| US7230998B2 | United States of America | B2 | |
| US2007195868A1 | United States of America | A1 | |
| US7280613B2 | United States of America | B2 | |
| WO2005055443A3 | World Intellectual Property Organization (WIPO) | A3 | |
| EP1690343A4 | European Patent Office (EPO) | A4 | |
| EP1690342A4 | European Patent Office (EPO) | A4 | |
| EP1692877A4 | European Patent Office (EPO) | A4 | |
| EP1536574A3This record | European Patent Office (EPO) | A3 | |
| US7386056B2 | United States of America | B2 | |
| EP1690340A4 | European Patent Office (EPO) | A4 | |
| EP1690341A4 | European Patent Office (EPO) | A4 | |
| US7499696B2 | United States of America | B2 | |
| EP1690341B1 | European Patent Office (EPO) | B1 | |
| AT449473T | Austria | T | |
| ATE449473T1 | Austria | T1 | |
| DE602004024231D1 | Germany | D1 | |
| EP1690340B1 | European Patent Office (EPO) | B1 | |
| AT455423T | Austria | T | |
| ATE455423T1 | Austria | T1 | |
| US7656966B2 | United States of America | B2 | |
| US7657225B2 | United States of America | B2 | |
| EP1690343B1 | European Patent Office (EPO) | B1 | |
| AT457098T | Austria | T | |
| ATE457098T1 | Austria | T1 | |
| DE602004025138D1 | Germany | D1 | |
| EP1690342B1 | European Patent Office (EPO) | B1 | |
| DE602004025420D1 | Germany | D1 | |
| AT461561T | Austria | T | |
| ATE461561T1 | Austria | T1 | |
| DE602004026097D1 | Germany | D1 | |
| US7751497B2 | United States of America | B2 | |
| EP1536574B1 | European Patent Office (EPO) | B1 | |
| AT473560T | Austria | T | |
| ATE473560T1 | Austria | T1 | |
| DE602004027984D1 | Germany | D1 |
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Numbers
- Publication
- 1536574
- Publication, DOCDB
- 1536574
- Publication, EPODOC
- EP1536574
- Application
- 4078193
- Application, DOCDB
- 04078193
- Application, EPODOC
- EP20040078193
Titles3
- German
- Verfahren zum Erhöhen der Leistung zweitrangiger Daten in einem hierarchischen Modulationsverfahren
- English
- Method to increase performance of secondary data in a hierachical modulation scheme
- French
- Méthode permettant d'augmenter la performance de données secondaires dans un schéma de modulation hiérarchique
Classification
- CPC, 3
- H04L27/3466
- H04B7/18513
- H04L27/3488
- IPC, 2
- H04B7 185
- H04L27 34
Designated states2
- Contracting states, 1
- Türkiye
- Extension states, 1
- Yugoslavia, later Serbia and Montenegro (until 2006)