EP1528690A4
Spread spectrum system communication unit and its method for establishing high speed synchronization
Abstract
A device for spread spectrum communication is provided which enables synchronization at a high-speed even if the carrier frequency and the phase are not known precisely on the receiving end. The device for spread spectrum communication includes a toggle detecting unit and a demodulating unit. The toggle detecting unit detects a candidate of a toggle point existing in a carrier of a received signal, and the demodulating unit demodulates the received signal by multiplying the received signal by a spread code which is shifted according to a shift amount calculated based on the detected candidate.
Term
Term ended
Projected expiry passed 3 February 2023, 3.6 years ago.
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Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0892277A2 | Cites | European Patent Office (EPO) | X | Search report | 1-6 |
| KALOFONOS D N ET AL: "On the performance of coded low spreading gain DS-CDMA systems with random spreading in sequences multipath Rayleigh fading channels", GLOBECOM'01. 2001 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE. SAN ANTONIO, TX, NOV. 25 - 29, 2001, IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, NEW YORK, NY : IEEE, US, vol. VOL. 5 OF 6, 25 November 2001 (2001-11-25), pages 3247 - 3251, XP010746328, ISBN: 0-7803-7206-9 | Non-patent | – | – | Search report | – |
13 members in 7 offices; this record represents the family
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 0301054 | Japan | W |
Members13
| Document | Office | Kind | |
|---|---|---|---|
| WO2004070967A1 | World Intellectual Property Organization (WIPO) | A1 | |
| TW200419983A | Taiwan Province of China | A | |
| JP3639839B2 | Japan | B2 | |
| EP1528690A1 | European Patent Office (EPO) | A1 | |
| US2005180489A1 | United States of America | A1 | |
| JPWO2004070967A1 | Japan | A1 | |
| EP1528690A4This record | European Patent Office (EPO) | A4 | |
| EP1528690B1 | European Patent Office (EPO) | B1 | |
| AT412276T | Austria | T | |
| ATE412276T1 | Austria | T1 | |
| DE60324283D1 | Germany | D1 | |
| US7471716B2 | United States of America | B2 | |
| TWI320642B | Taiwan Province of China | B |
52 legal events, as 6 offices reported them to INPADOC
Over the term
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal feeWithdrawnR119 | R119 | DE | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
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| No opposition filedOpposition26N | 26N | EP | |
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents actLapsedNLV1 | NLV1 | EP | |
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| European patents granted designating irelandGrantedFG4D | FG4D | IE | |
| European patent takes effect as a national patent in ch/liEP | EP | CH | |
| Designated contracting statesAK | AK | EP | |
| European patent grantedGrantedFG4D | FG4D | GB | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS | GRAS | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Supplementary search report drawn up and despatchedA4 | A4 | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 1528690
- Application
- 38157269
Titles3
- German
- SPREIZSPEKTRUM-SYSTEMKOMMUNIKATIONSEINHEIT UND IHR VERFAHREN ZUR HERSTELLUNG EINER SCHNELLEN SYNCHRONISATION
- English
- SPREAD SPECTRUM SYSTEM COMMUNICATION UNIT AND ITS METHOD FOR ESTABLISHING HIGH SPEED SYNCHRONIZATION
- French
- UNITE DE COMMUNICATION D'UN SYSTEME A LARGE SPECTRE ET SON PROCEDE D'ETABLISSEMENT D'UNE SYNCHRONISATION A GRANDE VITESSE
Classification
- CPC, 2
- H04B1/70757
- H04B1/70753
- IPC, 7
- H04B1 707
- H04B1 7077
- H04B7 26
- H04L7 00
- H04W56 00
- H04W76 02
- H04W88 02
Designated states26
- Contracting states, 26
- Austria
- Belgium
- Bulgaria
- Switzerland
- Cyprus
- Czechia
- Germany
- Denmark
- Estonia
- Spain
- Finland
- France
- United Kingdom
- Greece
- Hungary
- Ireland
- Italy
- Liechtenstein
- Luxembourg
- Monaco
- Netherlands (Kingdom of the)
- Portugal
- Sweden
- Slovenia
and 2 moreShow fewer
- Slovakia
- Türkiye