blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP2274842

EP2274842 - LDPC-CODED MULTILEVEL MODULATION SCHEME [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.08.2016
Database last updated on 03.10.2024
Most recent event   Tooltip17.08.2018Lapse of the patent in a contracting state
New state(s): BG		published on 19.09.2018  [2018/38]
Applicant(s)For all designated states
NEC CORPORATION
7-1, Shiba 5-chome
Minato-ku, Tokyo 108-8001 / JP
[N/P]
Former [2015/39]For all designated states
NEC CORPORATION
7-1, Shiba 5-chome
Minato-ku
Tokyo 108-8001 / JP
Former [2011/03]For all designated states
NEC Laboratories America, Inc.
4 Independence Way, Suite 200
Princeton, NJ 08540 / US
Inventor(s)01 / DJORDJEVIC, Ivan
c/o NEC Laboratories America Inc.
4 Independence Way
Suite 200
Princeton, New Jersey 08540 / US
02 / XU, Lei
10 Stuart Lane East
Princeton Junction, New Jersey 08550 / US
03 / WANG, Ting
10 Glacier Drive
West Windsor, New Jersey 08550 / US
 [2015/41]
Former [2011/03]01 / DJORDJEVIC, Ivan
c/o NEC Laboratories America Inc. 4 Independence Way Suite 200
Princeton, New Jersey 08540 / US
02 / XU, Lei
10 Stuart Lane East
Princeton Junction, New Jersey 08550 / US
03 / WANG, Ting
10 Glacier Drive
West Windsor, New Jersey 08550 / US
Representative(s)Betten & Resch
Patent- und Rechtsanwälte PartGmbB
Maximiliansplatz 14
80333 München / DE
[N/P]
Former [2015/41]Betten & Resch
Patent- und Rechtsanwälte PartGmbB
Theatinerstraße 8
(Fünf Höfe)
80333 München / DE
Former [2011/03]Betten & Resch
Patentanwälte Theatinerstrasse 8
80333 München / DE
Application number, filing date09720290.703.02.2009
[2011/03]
WO2009US32939
Priority number, dateUS20080036112P13.03.2008         Original published format: US 36112 P
US2008024220530.09.2008         Original published format: US 242205
[2014/38]
Former [2011/03]US20080036205P13.03.2008
US2008024220530.09.2008
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2009114221
Date:17.09.2009
Language:EN
[2009/38]
Type: A1 Application with search report 
No.:EP2274842
Date:19.01.2011
Language:EN
The application published by WIPO in one of the EPO official languages on 17.09.2009 takes the place of the publication of the European patent application.
[2011/03]
Type: B1 Patent specification 
No.:EP2274842
Date:07.10.2015
Language:EN
[2015/41]
Search report(s)International search report - published on:KR17.09.2009
(Supplementary) European search report - dispatched on:EP17.07.2014
ClassificationIPC:H04B10/516
[2014/34]
CPC:
H04B10/516 (EP,US); H03M13/255 (EP,US); H04B10/2569 (EP,US);
H04B10/541 (EP,US); H04B10/61 (EP,US); H04L1/0041 (EP,US);
H04L1/0057 (EP,US); H04L1/0058 (EP,US); H04L1/0065 (EP,US);
H04L1/0071 (EP,US); H04L1/02 (EP,US) (-)
Former IPC [2011/03]H04B10/13, H04B10/02, H04B10/00
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2015/41]
Former [2011/03]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HR,  HU,  IE,  IS,  IT,  LI,  LT,  LU,  LV,  MC,  MK,  MT,  NL,  NO,  PL,  PT,  RO,  SE,  SI,  SK,  TR 
TitleGerman:LDPC-CODIERTES MEHREBENEN-MODULATIONSSCHEMA[2011/03]
English:LDPC-CODED MULTILEVEL MODULATION SCHEME[2011/03]
French:LOGIQUE DE MODULATION MULTI-NIVEAU CODÉE LDPC[2011/03]
Entry into regional phase13.10.2010National basic fee paid 
13.10.2010Search fee paid 
13.10.2010Designation fee(s) paid 
13.10.2010Examination fee paid 
Examination procedure13.10.2010Examination requested  [2011/03]
13.02.2015Amendment by applicant (claims and/or description)
23.04.2015Communication of intention to grant the patent
24.08.2015Fee for grant paid
24.08.2015Fee for publishing/printing paid
24.08.2015Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  23.04.2015
Opposition(s)08.07.2016No opposition filed within time limit [2016/37]
Fees paidRenewal fee
28.02.2011Renewal fee patent year 03
29.02.2012Renewal fee patent year 04
28.02.2013Renewal fee patent year 05
28.02.2014Renewal fee patent year 06
02.03.2015Renewal fee patent year 07
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipHU03.02.2009
AT07.10.2015
BE07.10.2015
BG07.10.2015
CY07.10.2015
CZ07.10.2015
DK07.10.2015
EE07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
MC07.10.2015
MK07.10.2015
NL07.10.2015
PL07.10.2015
RO07.10.2015
SE07.10.2015
SI07.10.2015
SK07.10.2015
TR07.10.2015
NO07.01.2016
GR08.01.2016
IE03.02.2016
LU03.02.2016
IS07.02.2016
PT08.02.2016
CH29.02.2016
LI29.02.2016
MT29.02.2016
[2018/38]
Former [2018/31]HU03.02.2009
AT07.10.2015
BE07.10.2015
CY07.10.2015
CZ07.10.2015
DK07.10.2015
EE07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
MC07.10.2015
MK07.10.2015
NL07.10.2015
PL07.10.2015
RO07.10.2015
SE07.10.2015
SI07.10.2015
SK07.10.2015
TR07.10.2015
NO07.01.2016
GR08.01.2016
IE03.02.2016
LU03.02.2016
IS07.02.2016
PT08.02.2016
CH29.02.2016
LI29.02.2016
MT29.02.2016
Former [2018/30]HU03.02.2009
AT07.10.2015
BE07.10.2015
CY07.10.2015
CZ07.10.2015
DK07.10.2015
EE07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
MC07.10.2015
MK07.10.2015
MT07.10.2015
NL07.10.2015
PL07.10.2015
RO07.10.2015
SE07.10.2015
SI07.10.2015
SK07.10.2015
TR07.10.2015
NO07.01.2016
GR08.01.2016
IE03.02.2016
LU03.02.2016
IS07.02.2016
PT08.02.2016
CH29.02.2016
LI29.02.2016
Former [2018/28]HU03.02.2009
AT07.10.2015
BE07.10.2015
CY07.10.2015
CZ07.10.2015
DK07.10.2015
EE07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
MC07.10.2015
MK07.10.2015
MT07.10.2015
NL07.10.2015
PL07.10.2015
RO07.10.2015
SE07.10.2015
SI07.10.2015
SK07.10.2015
NO07.01.2016
GR08.01.2016
IE03.02.2016
LU03.02.2016
IS07.02.2016
PT08.02.2016
CH29.02.2016
LI29.02.2016
Former [2017/47]AT07.10.2015
BE07.10.2015
CZ07.10.2015
DK07.10.2015
EE07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
MC07.10.2015
MT07.10.2015
NL07.10.2015
PL07.10.2015
RO07.10.2015
SE07.10.2015
SI07.10.2015
SK07.10.2015
NO07.01.2016
GR08.01.2016
IE03.02.2016
LU03.02.2016
IS07.02.2016
PT08.02.2016
CH29.02.2016
LI29.02.2016
Former [2017/07]AT07.10.2015
BE07.10.2015
CZ07.10.2015
DK07.10.2015
EE07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
MC07.10.2015
NL07.10.2015
PL07.10.2015
RO07.10.2015
SE07.10.2015
SI07.10.2015
SK07.10.2015
NO07.01.2016
GR08.01.2016
IE03.02.2016
LU03.02.2016
IS07.02.2016
PT08.02.2016
CH29.02.2016
LI29.02.2016
Former [2017/03]AT07.10.2015
BE07.10.2015
CZ07.10.2015
DK07.10.2015
EE07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
MC07.10.2015
NL07.10.2015
PL07.10.2015
RO07.10.2015
SE07.10.2015
SI07.10.2015
SK07.10.2015
NO07.01.2016
GR08.01.2016
LU03.02.2016
IS07.02.2016
PT08.02.2016
CH29.02.2016
LI29.02.2016
Former [2016/49]AT07.10.2015
CZ07.10.2015
DK07.10.2015
EE07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
MC07.10.2015
NL07.10.2015
PL07.10.2015
RO07.10.2015
SE07.10.2015
SI07.10.2015
SK07.10.2015
NO07.01.2016
GR08.01.2016
LU03.02.2016
IS07.02.2016
PT08.02.2016
BE29.02.2016
CH29.02.2016
LI29.02.2016
Former [2016/46]AT07.10.2015
CZ07.10.2015
DK07.10.2015
EE07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
MC07.10.2015
NL07.10.2015
PL07.10.2015
RO07.10.2015
SE07.10.2015
SK07.10.2015
NO07.01.2016
GR08.01.2016
LU03.02.2016
IS07.02.2016
PT08.02.2016
BE29.02.2016
CH29.02.2016
LI29.02.2016
Former [2016/43]AT07.10.2015
CZ07.10.2015
DK07.10.2015
EE07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
MC07.10.2015
NL07.10.2015
PL07.10.2015
RO07.10.2015
SE07.10.2015
SK07.10.2015
NO07.01.2016
GR08.01.2016
LU03.02.2016
IS07.02.2016
PT08.02.2016
BE29.02.2016
Former [2016/42]AT07.10.2015
CZ07.10.2015
DK07.10.2015
EE07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
MC07.10.2015
NL07.10.2015
PL07.10.2015
RO07.10.2015
SE07.10.2015
SK07.10.2015
NO07.01.2016
GR08.01.2016
IS07.02.2016
PT08.02.2016
BE29.02.2016
Former [2016/39]AT07.10.2015
CZ07.10.2015
DK07.10.2015
EE07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
NL07.10.2015
PL07.10.2015
RO07.10.2015
SE07.10.2015
SK07.10.2015
NO07.01.2016
GR08.01.2016
IS07.02.2016
PT08.02.2016
BE29.02.2016
Former [2016/36]AT07.10.2015
CZ07.10.2015
EE07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
NL07.10.2015
PL07.10.2015
RO07.10.2015
SE07.10.2015
SK07.10.2015
NO07.01.2016
GR08.01.2016
IS07.02.2016
PT08.02.2016
BE29.02.2016
Former [2016/34]AT07.10.2015
CZ07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
NL07.10.2015
PL07.10.2015
SE07.10.2015
NO07.01.2016
GR08.01.2016
IS07.02.2016
PT08.02.2016
BE29.02.2016
Former [2016/25]AT07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
LV07.10.2015
NL07.10.2015
PL07.10.2015
SE07.10.2015
NO07.01.2016
GR08.01.2016
IS07.02.2016
PT08.02.2016
BE29.02.2016
Former [2016/24]AT07.10.2015
ES07.10.2015
FI07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
NL07.10.2015
PL07.10.2015
SE07.10.2015
NO07.01.2016
GR08.01.2016
IS07.02.2016
PT08.02.2016
BE29.02.2016
Former [2016/23]ES07.10.2015
HR07.10.2015
IT07.10.2015
LT07.10.2015
NL07.10.2015
SE07.10.2015
NO07.01.2016
IS07.02.2016
Former [2016/22]ES07.10.2015
IT07.10.2015
LT07.10.2015
NL07.10.2015
NO07.01.2016
IS07.02.2016
Former [2016/21]ES07.10.2015
IT07.10.2015
LT07.10.2015
NO07.01.2016
Former [2016/20]ES07.10.2015
LT07.10.2015
Documents cited:Search[XP]  - DJORDJEVIC I B ET AL, "PMD compensation in multilevel coded-modulation schemes with coherent detection using Alamouti-type polarization-time coding", IEEE/LEOS SUMMER TOPICAL MEETINGS, 2008 DIGEST OF THE, IEEE, PISCATAWAY, NJ, USA, (20080721), ISBN 978-1-4244-1925-8, pages 103 - 104, XP031298846 [XP] 1-6 * the whole document *
 [XP]  - Ivan B Djordjevic ET AL, "Alamouti-type polarization-time coding in coded-modulation schemes with coherent detection", Optics Express, vol. 16, no. 18, (20080826), pages 14163 - 14172, URL: http://www.opticsinfobase.org/DirectPDFAccess/3C88996D-B306-A07B-0C85C107CF5439EB_171323/oe-16-18-14163.pdf?da=1&id=171323&seq=0&mobile=no, (20140710), XP055128184 [XP] 1-6 * the whole document *
 [A]  - IVAN B DJORDJEVIC ET AL, "Proposal for Beyond 100-Gb/s Optical Transmission Based on Bit-Interleaved LDPC-Coded Modulation", IEEE PHOTONICS TECHNOLOGY LETTERS, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, (20070615), vol. 19, no. 12, doi:10.1109/LPT.2007.897520, ISSN 1041-1135, pages 874 - 876, XP011181528 [A] 1-6 * the whole document *

DOI:   http://dx.doi.org/10.1109/LPT.2007.897520
 [A]  - IVAN B DJORDJEVIC ET AL, "Ultra High-Speed Optical Transmission based on LDPC-Coded Modulation and Coherent Detection for Employment in All-Optical Network Scenario", TRANSPARENT OPTICAL NETWORKS, 2007. ICTON '07. 9TH INTERNATIONAL CONFERENCE ON, IEEE, PI, (20070701), ISBN 978-1-4244-1248-8, pages 171 - 174, XP031130475 [A] 1-6 * the whole document *
 [A]  - IVAN B DJORDJEVIC ED - SEBASTIAN RANDEL ET AL, "LDPC-Coded Modulation for High-Speed Optical Transmission Systems", LEOS SUMMER TOPICAL MEETINGS, 2007 DIGEST OF THE IEEE, IEEE, PI, (20070701), ISBN 978-1-4244-0926-6, pages 248 - 249, XP031125419 [A] 1-6 * the whole document *
 [A]  - YAN HAN ET AL, "Polarization Diversity Transmitter and Optical Nonlinearity Mitigation Using Polarization-Time Coding", OPTICAL AMPLIFIERS AND THEIR APPLICATIONS/COHERENT OPTICAL TECHNOLOGIES AND APPLICATIONS, Washington, D.C., (20060101), doi:10.1364/COTA.2006.CThC7, ISBN 978-1-55-752809-4, XP055128174 [A] 1-6 * the whole document *

DOI:   http://dx.doi.org/10.1364/COTA.2006.CThC7
International search[A]US7197690  (SHEN BA-ZHONG [US], et al);
 [A]US2005271160  (EROZ MUSTAFA [US], et al);
 [A]WO2007112168  (MOTOROLA INC [US], et al);
 [A]  - IVAN B. DJORDJEVIC ET AL., "Using LDPC-Coded modulation and coherent detection for ultra highspeed optical transmission", JOURNAL OF LIGHTWAVE TECHNOLOGY, (200711), vol. 25, no. 11, pages 3619 - 3625, XP011194801

DOI:   http://dx.doi.org/10.1109/JLT.2007.906791
 [XP]  - IVAN B. DJORDJEVIC ET AL., "PMD compensation in multilevel coded-modulation schemes with coherent detection using Alamouti-type polarization-time coding", Proceedings of IEEE/LEOS Summer Topical Meetings, MC2.3, 23072008, (20080721), pages 103 - 104, XP031298846
by applicant   - B. DJORDJEVIC; H. G. BATSHON; M. CVIJETIC; L. XU; T. WANG, "PMD compensation by LDPC-coded turbo equalization", IEEE PHOTON. TECHNOL. LETT., (20070801), vol. 19, no. 15, pages 1163 - 1165
    - L. L. MINKOV; 1. B. DJORDJEVIC; H. G. BATSHON; L. XU; T. WANG; M. CVIJETIC; F. KUEPPERS, "Demonstration of PMD compensation by LDPC-coded turbo equalization and channel capacity loss characterization due to PMD and quantization", IEEE PHOTON. TECHNOL. LETT., (20071115), vol. 19, no. 22, pages 1852 - 1854
    - M. JäGER; T. RANKL; J. SPEIDEL; H. BüLOW; F. BUCHALI, "Perfonnance of Turbo Equalizers for Optical PMD Channels", J. LIGHTWAVE TECHNOL., (200603), vol. 24, pages 1226 - 1236
    - B. DJORDJEVIC, "PMD compensation in fiber-optic communication systems with direct detection using LDPC-coded OFDM", OPT. EXPRESS, (20070402), vol. 15, no. 7, pages 3692 - 3701
    - W. SHIEH; X. YI; Y. MA; Y. TANG, "Theoretical and experimental study on PMD-supported transmission using polarization diversity in coherent optical OFDM systems", OPT. EXPRESS, (20070724), vol. 15, no. 16, pages 9936 - 9947
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.