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Extract from the Register of European Patents

EP About this file: EP3987874

EP3987874 - CODEBOOK SUBSET RESTRICTION (CBSR) ON PER SPATIAL DOMAIN AMPLITUDE [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  25.03.2022
Database last updated on 02.11.2024
FormerThe international publication has been made
Status updated on  25.12.2020
Most recent event   Tooltip02.04.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
QUALCOMM INCORPORATED
5775 Morehouse Drive
San Diego, California 92121-1714 / US
[2022/17]
Inventor(s)01 / HAO, Chenxi
5775 Morehouse Drive
San Diego, California 92121-1714 / US
02 / ZHANG, Yu
5775 Morehouse Drive
San Diego, California 92121-1714 / US
03 / WEI, Chao
5775 Morehouse Drive
San Diego, California 92121-1714 / US
04 / CHEN, Wanshi
5775 Morehouse Drive
San Diego, California 92121-1714 / US
05 / WU, Liangming
5775 Morehouse Drive
San Diego, California 92121-1714 / US
 [2022/17]
Representative(s)Dunlop, Hugh Christopher, et al
Maucher Jenkins
Seventh Floor Offices
Artillery House
11-19 Artillery Row
London SW1P 1RT / GB
[2022/17]
Application number, filing date20826657.719.06.2020
[2022/17]
WO2020CN97030
Priority number, dateWO2019CN9225521.06.2019         Original published format: PCT/CN2019/092255
[2022/17]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020253815
Date:24.12.2020
Language:EN
[2020/52]
Type: A1 Application with search report 
No.:EP3987874
Date:27.04.2022
Language:EN
The application published by WIPO in one of the EPO official languages on 24.12.2020 takes the place of the publication of the European patent application.
[2022/17]
Search report(s)International search report - published on:CN24.12.2020
(Supplementary) European search report - dispatched on:EP09.05.2023
ClassificationIPC:H04W72/12, H04B7/0456, H04B7/06, H04B7/10, H04L5/00
[2023/23]
CPC:
H04B7/0482 (EP); H04B7/065 (EP,US); H04B7/0626 (US);
H04L5/0057 (EP); H04B7/10 (EP)
Former IPC [2022/17]H04W72/12
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 [2022/17]
TitleGerman:CODEBUCH-UNTERMENGENBESCHRÄNKUNG (CBSR) AUF DER AMPLITUDE PRO RÄUMLICHER DOMÄNE[2022/17]
English:CODEBOOK SUBSET RESTRICTION (CBSR) ON PER SPATIAL DOMAIN AMPLITUDE[2022/17]
French:RESTRICTION DE SOUS-ENSEMBLE DE LIVRE DE CODES (CBSR) PAR AMPLITUDE DE DOMAINE SPATIAL[2022/17]
Entry into regional phase26.11.2021National basic fee paid 
26.11.2021Search fee paid 
26.11.2021Designation fee(s) paid 
26.11.2021Examination fee paid 
Examination procedure26.11.2021Examination requested  [2022/17]
24.11.2023Amendment by applicant (claims and/or description)
Fees paidRenewal fee
12.04.2022Renewal fee patent year 03
31.03.2023Renewal fee patent year 04
31.03.2024Renewal fee patent year 05
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[Y]  - ERICSSON, On CSI enhancements for MU-MIMO, 3GPP DRAFT; R1-1907074 ON CSI ENHANCEMENTS FOR MU-MIMO, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, (20190513), XP051728520 [Y] 1-15 * page 13, section 3.6, 6th and 5th to last lines; (page 13, section 3.6 first paragraph; page 13, section 3.6, paragraph after Observation 9; page 1, page 2 *
 [Y]  - HUAWEI ET AL, Codebook subset restriction for DFT-based compression codebook, 3GPP DRAFT; R1-1906033, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, (20190513), XP051727490 [Y] 1-15 * page 1 section 2, under 2); page 2 Table I *
International search[A]WO2017030490  (ERICSSON TELEFON AB L M (PUBL) [SE]) [A] 1-20 * the whole document *;
 [Y]  - Ericsson, "On CSI enhancements for MU-MIMO", 3GPP Draft; R1-1907074 On CSI enhancements for MU-MIMO, Reno, US, (20190503), vol. RAN WG1, pages 1 - 19, XP051709103 [Y] 1-20 * sections 1-3 *
 [Y]  - Apple, "Considerations on CSI enhancements for MU-MIMO support", 3GPP Draft; R1-1907341 Considerations on CSI enhancement for MU-MIMO support, Reno, USA, (20190504), vol. RAN WG1, pages 1 - 6, XP051709363 [Y] 1-20 * sections 2-3 *
 [A]  - Huawei; HiSilicon, "Codebook subset restriction for DFT-based compression codebook", 3GPP Draft; R1-1906033, Reno, USA, (20190503), vol. RAN WG1, pages 1 - 4, XP051708075 [A] 1-20 * 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.