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Extract from the Register of European Patents

EP About this file: EP4133877

EP4133877 - RANDOM ACCESS IN A WIRELESS COMMUNICATION NETWORK [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  24.05.2024
Database last updated on 03.09.2024
FormerThe patent has been granted
Status updated on  16.06.2023
FormerGrant of patent is intended
Status updated on  23.02.2023
FormerRequest for examination was made
Status updated on  13.01.2023
FormerThe international publication has been made
Status updated on  16.10.2021
Formerunknown
Status updated on  17.04.2021
Most recent event   Tooltip31.05.2024Lapse of the patent in a contracting state
New state(s): CZ, ES, RO, SK		published on 03.07.2024  [2024/27]
Applicant(s)For all designated states
Telefonaktiebolaget LM ERICSSON (PUBL)
16483 Stockholm / SE
[2023/07]
Inventor(s)01 / WANG, Min
Granitstigen 27
977 53 LULEÅ / SE
02 / CHRISTOFFERSSON, Jan
Stenåsvägen 13
975 61 LULEÅ / SE
03 / HARRISON, Robert, Mark
3208 Walker Place
GRAPEVINE, TX 76051 / US
04 / LIN, Zhipeng
No. 32, Chi Tian Road Jiangning Dev Zone
NANJING, Jiangsu 211100 / CN
05 / RUNE, Johan
Terrängvägen 12
181 29 LIDINGÖ / SE
06 / ENBUSKE, Henrik
Norrbackagatan 4
113 41 Stockholm / SE
 [2023/07]
Representative(s)Ericsson
Patent Development
Torshamnsgatan 21-23
164 80 Stockholm / SE
[2023/07]
Application number, filing date21717063.807.04.2021
[2023/07]
WO2021EP59012
Priority number, dateWO2020CN8356007.04.2020         Original published format: PCT/CN2020/083560
[2023/07]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021204845
Date:14.10.2021
Language:EN
[2021/41]
Type: A1 Application with search report 
No.:EP4133877
Date:15.02.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 14.10.2021 takes the place of the publication of the European patent application.
[2023/07]
Type: B1 Patent specification 
No.:EP4133877
Date:19.07.2023
Language:EN
[2023/29]
Search report(s)International search report - published on:EP14.10.2021
ClassificationIPC:H04W74/08, // H04W16/14
[2023/10]
CPC:
H04W74/0816 (EP); H04W74/0841 (US); H04W74/0866 (US);
H04W16/14 (EP)
Former IPC [2023/07]H04W74/08, H04W16/14
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 [2023/07]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:DIREKTZUGRIFF IN EINEM DRAHTLOSEN KOMMUNIKATIONSNETZWERK[2023/07]
English:RANDOM ACCESS IN A WIRELESS COMMUNICATION NETWORK[2023/07]
French:ACCÈS ALÉATOIRE DANS UN RÉSEAU DE COMMUNICATION SANS FIL[2023/07]
Entry into regional phase04.11.2022National basic fee paid 
04.11.2022Designation fee(s) paid 
04.11.2022Examination fee paid 
Examination procedure07.02.2022Request for preliminary examination filed
International Preliminary Examining Authority: EP
04.11.2022Amendment by applicant (claims and/or description)
04.11.2022Examination requested  [2023/07]
04.11.2022Date on which the examining division has become responsible
24.02.2023Communication of intention to grant the patent
06.06.2023Fee for grant paid
06.06.2023Fee for publishing/printing paid
06.06.2023Receipt of the translation of the claim(s)
Opposition(s)22.04.2024No opposition filed within time limit [2024/26]
Fees paidRenewal fee
27.04.2023Renewal fee patent year 03
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  TooltipCZ19.07.2023
ES19.07.2023
HR19.07.2023
PL19.07.2023
RO19.07.2023
RS19.07.2023
SK19.07.2023
SM19.07.2023
NO19.10.2023
GR20.10.2023
IS19.11.2023
[2024/23]
Former [2024/20]HR19.07.2023
PL19.07.2023
RS19.07.2023
SM19.07.2023
NO19.10.2023
GR20.10.2023
IS19.11.2023
Former [2024/10]HR19.07.2023
PL19.07.2023
RS19.07.2023
NO19.10.2023
GR20.10.2023
IS19.11.2023
Former [2024/09]NO19.10.2023
GR20.10.2023
IS19.11.2023
Former [2024/08]NO19.10.2023
GR20.10.2023
Cited inInternational search[X]  - ZTE CORPORATION ET AL, "LBT aspects of MSGA transmission", vol. RAN WG2, no. Reno, USA; 20191118 - 20191122, (20191107), 3GPP DRAFT; R2-1914790, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, URL: https://ftp.3gpp.org/tsg_ran/WG2_RL2/TSGR2_108/Docs/R2-1914790.zip R2-1914790_2-stepRACH_LBTaspects.docx, (20191107), XP051815760 [X] 1-27 * section "2. Discussion"; * * Observations 1-3; Proposals 1-4; * * section "3. Conclusion and proposals"; *
 [X]  - ZTE, "FL Summary #4 of Channel Structure for 2-step RACH", vol. RAN WG1, no. Reno, USA; 20191118 - 20191122, (20191125), 3GPP DRAFT; R1-1913540, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, URL: https://ftp.3gpp.org/tsg_ran/WG1_RL1/TSGR1_99/Docs/R1-1913540.zip R1-1913540 FL Summary #4 of Channel Structure for 2-step RACH.docx, (20191125), XP051830820 [X] 1-27 * section "2.2.2 Multiple configurations"; e.g., page 12, DCM [2869]: "Proposal 5: When the criteria for any MsgA PUSCH configuration configured on initial UL BWP is not be satisfied, UE performs fallback to 4-step RACH."; * * section "2.2.3 Validation rule of msgA PUSCH"; e.g., page 14, Fujitsu [2069]: "Proposal 2: After the mapping between preambles and msgA PUSCHs has been established, if the time interval between a preamble and its associated PRU is too large, the following invalidation rule is further applied ... - The preamble is used in the same way as that of 4-step RACH (i.e., transmitted without msgA PUSCH)"; * * section "2.3 msgA channel structure for NR-U" - integral; *
 [X]  - ERICSSON, "Gapless msgA transmissions in NR-U", vol. RAN WG2, no. Electronic Meeting; 20200224 - 20200306, (20200213), 3GPP DRAFT; R2-2001209, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, URL: https://ftp.3gpp.org/tsg_ran/WG2_RL2/TSGR2_109_e/Docs/R2-2001209.zip R2-2001209 - Gapless msgA transmissions in NR-U.docx, (20200213), XP051848777 [X] 1-27 * section "3 Discussion"; e.g. Observation 2 and Proposals 3 and 4; * * section "4 Conclusion"; *
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.