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Extract from the Register of European Patents

EP About this file: EP3725050

EP3725050 - CHANNEL ESTIMATION IN A MULTI-LAYER SYSTEM [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  26.08.2022
Database last updated on 19.10.2024
FormerExamination is in progress
Status updated on  29.10.2021
FormerRequest for examination was made
Status updated on  18.09.2020
FormerThe international publication has been made
Status updated on  21.06.2019
Formerunknown
Status updated on  12.01.2018
Most recent event   Tooltip26.08.2022Withdrawal of applicationpublished on 28.09.2022  [2022/39]
Applicant(s)For all designated states
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
164 83 Stockholm / SE
[2020/43]
Inventor(s)01 / STATHAKIS, Efthymios
Arbetargatan 23 A
11245 Stockholm / SE
02 / WANG, Zhao
Näktergalsvägen 37
187 61 Taby / SE
 [2020/44]
Former [2020/43]01 / STATHAKIS, Efthymios
Arbetargatan 23 A
11245 Stockholm / SE
02 / WANG, Zhao
Anders Lundströms Gata 9, Apartment 1104
16973 Solna / SE
Representative(s)Valea AB
Box 7086
103 87 Stockholm / SE
[N/P]
Former [2020/43]Ericsson
Patent Development
Torshamnsgatan 21-23
164 80 Stockholm / SE
Application number, filing date17823079.314.12.2017
[2020/43]
WO2017EP82868
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019114973
Date:20.06.2019
Language:EN
[2019/25]
Type: A1 Application with search report 
No.:EP3725050
Date:21.10.2020
Language:EN
The application published by WIPO in one of the EPO official languages on 20.06.2019 takes the place of the publication of the European patent application.
[2020/43]
Search report(s)International search report - published on:EP20.06.2019
ClassificationIPC:H04L25/02
[2020/43]
CPC:
H04L25/0204 (EP); H04L25/0216 (EP,US); H04L25/022 (EP,US);
H04L25/0222 (US); H04L25/0224 (EP); H04L5/0023 (US)
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 [2020/43]
TitleGerman:KANALSCHÄTZUNG IN EINEM MEHRSCHICHTSYSTEM[2020/43]
English:CHANNEL ESTIMATION IN A MULTI-LAYER SYSTEM[2020/43]
French:ESTIMATION DE CANAL DANS UN SYSTÈME MULTICOUCHE[2020/43]
Entry into regional phase09.07.2020National basic fee paid 
09.07.2020Designation fee(s) paid 
09.07.2020Examination fee paid 
Examination procedure09.07.2020Amendment by applicant (claims and/or description)
09.07.2020Examination requested  [2020/43]
09.07.2020Date on which the examining division has become responsible
28.10.2021Despatch of a communication from the examining division (Time limit: M04)
28.02.2022Reply to a communication from the examining division
18.08.2022Application withdrawn by applicant  [2022/39]
Fees paidRenewal fee
30.06.2020Renewal fee patent year 03
28.12.2020Renewal fee patent year 04
27.12.2021Renewal fee patent year 05
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Cited inInternational search[IA]US7453793  (JONES IV VINCENT K [US], et al) [I] 1,2,4-17,19-31 * column 9 - column 11 * * abstract * * column 6, line 24 - line 29 * [A] 3,18;
 [A]EP2381632  (ERICSSON TELEFON AB L M [SE]) [A] 8,23* paragraph [0021] - paragraph [0022] *;
 [IA]  - RAGHAVENDRA M R ET AL, "Improving channel estimation in ofdm systems for sparse multipath channels", SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS, 2004 IEEE 5TH W ORKSHOP ON LISBON, PORTUGAL 11-14 JULY 2004, PISCATAWAY, NJ, USA,IEEE, (20040711), doi:10.1109/SPAWC.2004.1439213, ISBN 978-0-7803-8337-1, pages 106 - 109, XP010805976 [I] 1,4-16,19-31 * Sections III, IV * [A] 2,3,17,18

DOI:   http://dx.doi.org/10.1109/SPAWC.2004.1439213
by applicant   - L. DAI et al., "Non-orthogonal multiple access for 5G: solutions, challenges, opportunities, and future research trends", IEEE Commun. Magazine, (20150900), vol. 53, no. 9, doi:doi:10.1109/MCOM.2015.7263349, pages 74 - 81, XP011669096

DOI:   http://dx.doi.org/10.1109/MCOM.2015.7263349
    - ZHOU M et al., "DCT-based channel estimation techniques for LTE uplink", IEEE PIMRC, (20100400), pages 1034 - 1038
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.