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
Register Forum

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

Extract from the Register of European Patents

EP About this file: EP3447926

EP3447926 - CONVOLUTIONAL LDPC DECODING METHOD, DEVICE, DECODER, AND SYSTEM [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.07.2022
Database last updated on 03.09.2024
FormerThe patent has been granted
Status updated on  13.08.2021
FormerGrant of patent is intended
Status updated on  07.04.2021
FormerRequest for examination was made
Status updated on  25.01.2019
FormerThe international publication has been made
Status updated on  25.11.2017
Most recent event   Tooltip27.04.2024Lapse of the patent in a contracting state
New state(s): MK
published on 29.05.2024  [2024/22]
Applicant(s)For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building
Bantian
Longgang District
Shenzhen, Guangdong 518129 / CN
[2019/09]
Inventor(s)01 / LI, Mo
Huawei Administration Building
Bantian
Longgang District
Shenzhen, Guangdong 518129 / CN
02 / XIAO, Zhiyu
Huawei Administration Building
Bantian
Longgang District
Shenzhen, Guangdong 518129 / CN
 [2021/37]
Former [2019/09]01 / LI, Mo
Huawei Administration Building
Bantian
Longgang District
Shenzhen Guangdong 518129 / CN
02 / XIAO, Zhiyu
Huawei Administration Building
Bantian
Longgang District
Shenzhen Guangdong 518129 / CN
Representative(s)Körber, Martin Hans
Mitscherlich PartmbB
Patent- und Rechtsanwälte
Sonnenstrasse 33
80331 München / DE
[2019/09]
Application number, filing date16901947.816.05.2016
[2019/09]
WO2016CN82211
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2017197561
Date:23.11.2017
Language:ZH
[2017/47]
Type: A1 Application with search report 
No.:EP3447926
Date:27.02.2019
Language:EN
[2019/09]
Type: B1 Patent specification 
No.:EP3447926
Date:15.09.2021
Language:EN
[2021/37]
Search report(s)International search report - published on:CN23.11.2017
(Supplementary) European search report - dispatched on:EP02.07.2019
ClassificationIPC:H03M13/11, H03M13/25, H03M13/29, H04L1/00, H03M13/00
[2021/14]
CPC:
H03M13/1154 (EP,US); H03M13/1125 (US); H03M13/23 (US);
H03M13/255 (EP,US); H03M13/2957 (EP,US); H03M13/6325 (EP,US);
H04L1/005 (EP,US); H04L1/0057 (EP,US); H04L1/0059 (EP,US) (-)
Former IPC [2019/31]H03M13/11, H03M13/25, H03M13/29
Former IPC [2019/09]H03M13/23
Designated contracting statesAL,   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,   RS,   SE,   SI,   SK,   SM,   TR [2019/09]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:DECODIERUNGSVERFAHREN FÜR KONVOLUTIONALES LDPC, VORRICHTUNG, DECODIERER UND SYSTEM[2019/09]
English:CONVOLUTIONAL LDPC DECODING METHOD, DEVICE, DECODER, AND SYSTEM[2019/09]
French:PROCÉDÉ, DISPOSITIF, DÉCODEUR ET SYSTÈME DE DÉCODAGE DE CODES LDPC CONVOLUTIFS[2019/09]
Entry into regional phase20.11.2018Translation filed 
20.11.2018National basic fee paid 
20.11.2018Search fee paid 
20.11.2018Designation fee(s) paid 
20.11.2018Examination fee paid 
Examination proceduredeletedDate on which the examining division has become responsible
20.11.2018Examination requested  [2019/09]
13.01.2020Amendment by applicant (claims and/or description)
08.04.2021Communication of intention to grant the patent
14.07.2021Fee for grant paid
14.07.2021Fee for publishing/printing paid
10.08.2021Receipt of the translation of the claim(s)
Opposition(s)16.06.2022No opposition filed within time limit [2022/34]
Fees paidRenewal fee
20.11.2018Renewal fee patent year 03
29.05.2019Renewal fee patent year 04
28.05.2020Renewal fee patent year 05
27.05.2021Renewal fee patent year 06
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  TooltipHU16.05.2016
AL15.09.2021
AT15.09.2021
CY15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
IT15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
MK15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
IE16.05.2022
LU16.05.2022
BE31.05.2022
CH31.05.2022
FR31.05.2022
LI31.05.2022
[2024/22]
Former [2024/20]HU16.05.2016
AL15.09.2021
AT15.09.2021
CY15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
IT15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
IE16.05.2022
LU16.05.2022
BE31.05.2022
CH31.05.2022
FR31.05.2022
LI31.05.2022
Former [2024/18]HU16.05.2016
AL15.09.2021
AT15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
IT15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
IE16.05.2022
LU16.05.2022
BE31.05.2022
CH31.05.2022
FR31.05.2022
LI31.05.2022
Former [2023/25]AL15.09.2021
AT15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
IT15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
IE16.05.2022
LU16.05.2022
BE31.05.2022
CH31.05.2022
FR31.05.2022
LI31.05.2022
Former [2023/22]AL15.09.2021
AT15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
IT15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
IE16.05.2022
LU16.05.2022
CH31.05.2022
FR31.05.2022
LI31.05.2022
Former [2023/20]AL15.09.2021
AT15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
IT15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
IE16.05.2022
LU16.05.2022
CH31.05.2022
LI31.05.2022
Former [2023/10]AL15.09.2021
AT15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
IT15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
LU16.05.2022
CH31.05.2022
LI31.05.2022
Former [2023/09]AL15.09.2021
AT15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
LU16.05.2022
CH31.05.2022
LI31.05.2022
Former [2023/08]AL15.09.2021
AT15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
LU16.05.2022
Former [2023/06]AL15.09.2021
AT15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
MC15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
Former [2022/36]AL15.09.2021
AT15.09.2021
CZ15.09.2021
DK15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SI15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
Former [2022/29]AL15.09.2021
AT15.09.2021
CZ15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
Former [2022/25]AT15.09.2021
CZ15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SK15.09.2021
SM15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
Former [2022/24]AT15.09.2021
CZ15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
NL15.09.2021
PL15.09.2021
RO15.09.2021
RS15.09.2021
SE15.09.2021
SK15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
IS15.01.2022
PT17.01.2022
Former [2022/23]AT15.09.2021
CZ15.09.2021
EE15.09.2021
ES15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
PL15.09.2021
RS15.09.2021
SE15.09.2021
SK15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
PT17.01.2022
Former [2022/21]AT15.09.2021
FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
RS15.09.2021
SE15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
Former [2022/10]FI15.09.2021
HR15.09.2021
LT15.09.2021
LV15.09.2021
RS15.09.2021
SE15.09.2021
BG15.12.2021
NO15.12.2021
GR16.12.2021
Former [2022/09]FI15.09.2021
LT15.09.2021
RS15.09.2021
SE15.09.2021
BG15.12.2021
NO15.12.2021
Former [2022/08]FI15.09.2021
LT15.09.2021
SE15.09.2021
BG15.12.2021
NO15.12.2021
Former [2022/07]LT15.09.2021
NO15.12.2021
Documents cited:Search[A]WO2010136930  (NOVELSAT LTD [IL], et al) [A] 1-15* the whole document *;
 [Y]  - DEYUAN CHANG ET AL, "Implementation of coded modulation and FEC", PROC., OPTICAL FIBER COMMUNICATION CONFERENCE AND EXPOSITION AND THE NATIONAL FIBER OPTIC ENGINEERS CONFERENCE (OFC/NFOEC), 2013, IEEE, doi:10.1364/OFC.2013.OW1E.4, ISBN 978-1-4799-0457-0, (20130317), pages 1 - 3, (20130614), XP032678934 [Y] 1-15 * the whole document *

DOI:   http://dx.doi.org/10.1364/OFC.2013.OW1E.4
 [Y]  - DEYUAN CHANG ET AL, "LDPC convolutional codes using layered decoding algorithm for high speed coherent optical transmission", PROC., OPTICAL FIBER COMMUNICATION CONFERENCE AND EXPOSITION AND THE NATIONAL FIBER OPTIC ENGINEERS CONFERENCE, (OFC/NFOEC), 2012 IEEE, (20120304), doi:10.1364/OFC.2012.OW1H.4, ISBN 978-1-4673-0262-3, pages 1 - 3, XP032340023 [Y] 1-15 * the whole document *

DOI:   http://dx.doi.org/10.1364/OFC.2012.OW1H.4
 [Y]  - XIANG LIU ET AL, "Generation and FEC-decoding of a 231.5-Gb/s PDM-OFDM signal with 256-iterative-polar-modulation achieving 11.15-b/s/Hz intrachannel spectral efficiency and 800-km reach", PROC., OPTICAL FIBER COMMUNICATION CONFERENCE AND EXPOSITION AND THE NATIONAL FIBER OPTIC ENGINEERS CONFERENCE, (OFC/NFOEC), 2012 IEEE, (20120304), ISBN 978-1-4673-0262-3, pages 1 - 3, XP032340147 [Y] 1-15 * the whole document *
 [Y]  - BRINK TEN S ET AL, "ITERATIVE DEMAPPING AND DECODING FOR MULTILEVEL MODULATION", PROC., IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, GLOBECOM '98, SYDNEY, NOV. 8 - 12, 1998, (19981108), ISBN 978-0-7803-4985-8, pages 579 - 584, XP000894365 [Y] 1-15 * page 579 - page 581 *
 [Y]  - SCHMALEN LAURENT ET AL, "Forward error correction in optical core and optical access networks", BELL LABS TECHNICAL JOURNAL, WILEY, CA, US, vol. 18, no. 3, doi:10.1002/BLTJ.21627, ISSN 1089-7089, (20131201), pages 39 - 66, (20140315), XP011628132 [Y] 1-15 * page 51 - page 59 *

DOI:   http://dx.doi.org/10.1002/bltj.21627
 [Y]  - ARAVIND IYENGAR ET AL, "Windowed Decoding of Protograph-based LDPC Convolutional Codes over Erasure Channels", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, (20101021), doi:10.1109/TIT.2011.2177439, XP080458136 [Y] 1-15 * page 5, column l *

DOI:   http://dx.doi.org/10.1109/TIT.2011.2177439
 [A]  - PUSANE A E ET AL, "Implementation aspects of LDPC convolutional codes", IEEE TRANSACTIONS ON COMMUNICATIONS, IEEE SERVICE CENTER, PISCATAWAY, NJ. USA, (20080701), vol. 56, no. 7, doi:10.1109/TCOMM.2008.050519, ISSN 0090-6778, pages 1060 - 1069, XP011231533 [A] 1-15 * page 1063; figure 2 *

DOI:   http://dx.doi.org/10.1109/TCOMM.2008.050519
International search[A]CN101689866  (PANASONIC CORP) [A] 1-15 * , the whole document *;
 [A]CN101785188  (PANASONIC CORP) [A] 1-15 * , description, paragraphs 150-157 *;
 [A]CN101785189  (PANASONIC CORP) [A] 1-15 * , the whole document *;
 [A]US2013061117  (GIOULEKAS FOTIOS [GR], et al) [A] 1-15 * , the whole document *;
 [A]US2013139025  (GIOULEKAS FOTIOS [GR], et al) [A] 1-15* , the whole document *
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.