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Extract from the Register of European Patents

EP About this file: EP4052432

EP4052432 - UPLINK COVARIANCE ESTIMATION FOR SU-MIMO PRECODING IN WIRELESS CELLULAR SYSTEMS [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  30.06.2023
Database last updated on 15.06.2024
FormerRequest for examination was made
Status updated on  05.08.2022
FormerThe international publication has been made
Status updated on  10.05.2021
Formerunknown
Status updated on  23.10.2020
Most recent event   Tooltip30.06.2023Withdrawal of applicationpublished on 02.08.2023  [2023/31]
Applicant(s)For all designated states
Telefonaktiebolaget LM Ericsson (publ)
164 83 Stockholm / SE
[2022/36]
Inventor(s)01 / EL-KEYI, Amr
500 Foxhall Way
Kanata, Ontario K2M 0G2 / CA
02 / BONTU, Chandra
10 Upminster Way
Nepean, Ontario K2J 5G8 / CA
 [2022/36]
Representative(s)Zacco Sweden AB
P.O. Box 5581
Löjtnantsgatan 21
114 85 Stockholm / SE
[2022/36]
Application number, filing date20790061.430.09.2020
[2022/36]
WO2020IB59177
Priority number, dateUS201962927848P30.10.2019         Original published format: US 201962927848 P
[2022/36]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021084343
Date:06.05.2021
Language:EN
[2021/18]
Type: A1 Application with search report 
No.:EP4052432
Date:07.09.2022
Language:EN
The application published by WIPO in one of the EPO official languages on 06.05.2021 takes the place of the publication of the European patent application.
[2022/36]
Search report(s)International search report - published on:EP06.05.2021
ClassificationIPC:H04L25/02, H04B7/06, H04L25/03, H04B7/0456
[2022/36]
CPC:
H04L25/021 (EP); H04B7/0456 (EP); H04L25/0204 (EP);
H04L25/03898 (EP)
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 [2022/36]
TitleGerman:UPLINK-KOVARIANZSCHÄTZUNG FÜR SU-MIMO-VORCODIERUNG IN DRAHTLOSEN ZELLULAREN SYSTEMEN[2022/36]
English:UPLINK COVARIANCE ESTIMATION FOR SU-MIMO PRECODING IN WIRELESS CELLULAR SYSTEMS[2022/36]
French:ESTIMATION DE COVARIANCE DE LIAISON MONTANTE POUR PRÉCODAGE SU-MIMO DANS DES SYSTÈMES CELLULAIRES SANS FIL[2022/36]
Entry into regional phase14.04.2022National basic fee paid 
14.04.2022Designation fee(s) paid 
14.04.2022Examination fee paid 
Examination procedure14.04.2022Amendment by applicant (claims and/or description)
14.04.2022Examination requested  [2022/36]
14.04.2022Date on which the examining division has become responsible
22.06.2023Application withdrawn by applicant  [2023/31]
Fees paidRenewal fee
27.09.2022Renewal fee patent year 03
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Cited inInternational search[XI]EP3033840  (ERICSSON TELEFON AB L M [SE]) [X] 1,4,9,10,13,18 * paragraph [0005] - paragraph [0006] * * paragraph [0008] - paragraph [0009] * * paragraph [0020] - paragraph [0021] * * paragraph [0025] - paragraph [0031] * * paragraph [0039] - paragraph [0044] * * paragraph [0054] * [I] 2,3,5-8,11,12,14-17;
 [I]WO2019030281  (ERICSSON TELEFON AB L M [SE]) [I] 1-18 * page 1, line 5 - line 12 * * page 2, line 11 - line 18 * * page 6, line 17 - page 8, line 5 * * page 8, line 24 - page 9, line 2 * * page 10, line 19 - line 29 * * page 14, line 1 - line 16 * * page 17, line 7 - line 18 *;
 [E]WO2020218955  (ERICSSON TELEFON AB L M [SE]) [E] 1,4,9,10,13,18 * page 2, line 29 - line 33 * * page 3, line 17 - page 4, line 8 * * page 5, line 11 - line 19 ** page 7, line 4 - page 8, line 33 *;
 [X]  - CATT, "Noncodebook based downlink transmission in LTE-A", 3GPP DRAFT; R1-092793, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, (20090624), no. Los Angeles, USA; 20090624, XP050351247 [X] 1,10 * Sections 1, 2.1, 2.2 *
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.