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Patent Searching and Data


Title:
BASE STATION AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2022/244658
Kind Code:
A1
Abstract:
A base station (200) receives a message which is transmitted from a user equipment (100) over an uplink shared channel in a contention based random access procedure, and, if the received message is in compliance with a predetermined format, performs an echo-back process for sending the received message back to the user equipment as identifying data for contention resolution in the contention based random access procedure. If the received message is not in compliance with the predetermined format, the base station (200) does not perform the echo-back process.

Inventors:
TAKAHASHI HIDEAKI (JP)
Application Number:
PCT/JP2022/019896
Publication Date:
November 24, 2022
Filing Date:
May 11, 2022
Export Citation:
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Assignee:
DENSO CORP (JP)
International Classes:
H04W74/08; H04W12/122
Foreign References:
JP2017147610A2017-08-24
Other References:
MEETING INFORMATION MEETING NUMBER: "Stealth Pirating Attack by RACH Rebroadcast Overwriting (SPARROW)", 3GPP DRAFT; R2-2106454, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. e-Meeting; 20210519 - 20210527, 12 May 2021 (2021-05-12), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052011866
Attorney, Agent or Firm:
OZAWA IP FIRM (JP)
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