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Extract from the Register of European Patents

EP About this file: EP3791481

EP3791481 - SYSTEM AND METHOD FOR ADAPTIVE FILTERING [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  08.08.2024
Database last updated on 24.08.2024
FormerThe patent has been granted
Status updated on  01.09.2023
FormerGrant of patent is intended
Status updated on  22.05.2023
FormerRequest for examination was made
Status updated on  12.02.2021
FormerThe international publication has been made
Status updated on  09.05.2020
Most recent event   Tooltip08.08.2024No opposition filed within time limitpublished on 11.09.2024 [2024/37]
Applicant(s)For all designated states
Telefonaktiebolaget LM Ericsson (publ)
164 83 Stockholm / SE
[2021/11]
Inventor(s)01 / GAO, Hao
No.5 Lize East Street, Chaoyang District
Beijing 100102 / CN
02 / CAO, Haiying
No.5 Lize East Street, Chaoyang District
Beijing 100102 / CN
03 / LIU, Sheng
No.5 Lize East Street, Chaoyang District
Beijing 100102 / CN
 [2021/11]
Representative(s)Ericsson
Patent Development
Torshamnsgatan 21-23
164 80 Stockholm / SE
[2021/11]
Application number, filing date18938513.131.10.2018
[2021/11]
WO2018CN112980
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020087339
Date:07.05.2020
Language:EN
[2020/19]
Type: A1 Application with search report 
No.:EP3791481
Date:17.03.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 07.05.2020 takes the place of the publication of the European patent application.
[2021/11]
Type: B1 Patent specification 
No.:EP3791481
Date:04.10.2023
Language:EN
[2023/40]
Search report(s)International search report - published on:CN07.05.2020
(Supplementary) European search report - dispatched on:EP17.12.2021
ClassificationIPC:H04B7/04, H04L27/36, H03F3/195, H04B1/04, H04B7/0413, H03F1/32, H03F3/24, H03F3/68
[2022/03]
CPC:
H04L27/368 (EP); H04B7/0413 (EP,US); H03F1/3247 (EP);
H03F3/195 (EP); H03F3/245 (EP); H03F3/68 (EP);
H03H17/0294 (US); H04B1/0483 (EP); H03F2200/451 (EP);
H03F2201/3224 (EP); H04B2001/0425 (EP) (-)
Former IPC [2021/11]H04B7/04
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 [2021/11]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:SYSTEM UND VERFAHREN FÜR ADAPTIVE FILTRIERUNGEN[2021/11]
English:SYSTEM AND METHOD FOR ADAPTIVE FILTERING[2021/11]
French:SYSTÈME ET PROCÉDÉ DE FILTRAGE ADAPTATIF[2021/11]
Entry into regional phase11.12.2020National basic fee paid 
11.12.2020Search fee paid 
11.12.2020Designation fee(s) paid 
11.12.2020Examination fee paid 
Examination procedure11.12.2020Examination requested  [2021/11]
21.06.2022Amendment by applicant (claims and/or description)
23.05.2023Communication of intention to grant the patent
19.07.2023Receipt of the translation of the claim(s)
28.08.2023Fee for grant paid
28.08.2023Fee for publishing/printing paid
Opposition(s)05.07.2024No opposition filed within time limit [2024/37]
Fees paidRenewal fee
11.12.2020Renewal fee patent year 03
27.10.2021Renewal fee patent year 04
27.10.2022Renewal fee patent year 05
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  TooltipAT04.10.2023
CZ04.10.2023
DK04.10.2023
EE04.10.2023
ES04.10.2023
HR04.10.2023
IT04.10.2023
LT04.10.2023
LV04.10.2023
PL04.10.2023
RO04.10.2023
RS04.10.2023
SE04.10.2023
SK04.10.2023
SM04.10.2023
BE31.10.2023
CH31.10.2023
LU31.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
[2024/36]
Former [2024/35]AT04.10.2023
CZ04.10.2023
DK04.10.2023
EE04.10.2023
ES04.10.2023
HR04.10.2023
LT04.10.2023
LV04.10.2023
PL04.10.2023
RO04.10.2023
RS04.10.2023
SE04.10.2023
SM04.10.2023
CH31.10.2023
LU31.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
Former [2024/34]AT04.10.2023
DK04.10.2023
EE04.10.2023
ES04.10.2023
HR04.10.2023
LT04.10.2023
LV04.10.2023
PL04.10.2023
RS04.10.2023
SE04.10.2023
SM04.10.2023
CH31.10.2023
LU31.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
Former [2024/33]AT04.10.2023
DK04.10.2023
ES04.10.2023
HR04.10.2023
LT04.10.2023
LV04.10.2023
PL04.10.2023
RS04.10.2023
SE04.10.2023
SM04.10.2023
LU31.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
Former [2024/30]AT04.10.2023
ES04.10.2023
HR04.10.2023
LT04.10.2023
LV04.10.2023
PL04.10.2023
RS04.10.2023
SE04.10.2023
LU31.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
Former [2024/26]AT04.10.2023
ES04.10.2023
HR04.10.2023
LT04.10.2023
LV04.10.2023
PL04.10.2023
RS04.10.2023
SE04.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
Former [2024/25]AT04.10.2023
ES04.10.2023
HR04.10.2023
LT04.10.2023
PL04.10.2023
RS04.10.2023
SE04.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
Former [2024/23]AT04.10.2023
ES04.10.2023
LT04.10.2023
BG04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
Former [2024/21]LT04.10.2023
BG04.01.2024
GR05.01.2024
IS04.02.2024
Former [2024/20]GR05.01.2024
IS04.02.2024
Documents cited:Search[I]EP3267579  (NOKIA SOLUTIONS & NETWORKS OY [FI]) [I] 1,2,5-9,12-14 * paragraph [0036] * * figure 1 ** claims 1,2 *;
 [XA]  - LEE SANGIL ET AL, "Digital Predistortion for Power Amplifiers in Hybrid MIMO Systems with Antenna Subarrays", 2015 IEEE 81ST VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING), IEEE, (20150511), doi:10.1109/VTCSPRING.2015.7145777, pages 1 - 5, XP033167254 [X] 1,2,5-9,12-14 * Sections III, IV (PAi-centric DPD) * [A] 3,4,10,11

DOI:   http://dx.doi.org/10.1109/VTCSpring.2015.7145777
 [I]  - LIU LING ET AL, "Single-PA-feedback digital predistortion for beamforming MIMO transmitter", 2016 IEEE INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT), IEEE, (20160605), vol. 2, doi:10.1109/ICMMT.2016.7762371, pages 573 - 575, XP033013962 [I] 1,2,5-9,12-14 * figure 2 * * Section II *

DOI:   http://dx.doi.org/10.1109/ICMMT.2016.7762371
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