(19)
(11) EP 3 832 943 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
19.01.2022 Bulletin 2022/03

(43) Date of publication:
09.06.2021 Bulletin 2021/23

(21) Application number: 21154278.2

(22) Date of filing: 23.01.2015
(51) International Patent Classification (IPC): 
H04L 5/00(2006.01)
H04W 72/04(2009.01)
 H04W 74/08(2009.01)
(52) Cooperative Patent Classification (CPC):
H04W 74/08; H04L 5/001; H04L 5/0053
(84) Designated Contracting States:
AL 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

(30) Priority: 30.01.2014 JP 2014016208

(62) Application number of the earlier application in accordance with Art. 76 EPC:
15743338.4 / 3101988

(71) Applicant: NTT DOCOMO, INC.
Chiyoda-ku Tokyo 100-6150 (JP)

(72) Inventors:
  • Uchino, Tooru
    Tokyo, 100-6150 (JP)
  • Takeda, Kazuki
    Tokyo, 100-6150 (JP)
  • Chen, Lan
    Tokyo, 100-6150 (JP)
  • Jiang, Huiling
    Beijing, 100190 (CN)
  • Liu, Liu
    Beijing, 100190 (CN)

(74) Representative: Hoffmann Eitle 
Patent- und Rechtsanwälte PartmbB Arabellastraße 30
81925 München
81925 München (DE)

 
Remarks:
This application was filed on 29-01-2021 as a divisional application to the application mentioned under INID code 62.
 


(54) USER APPARATUS, BASE STATION, CONTROL INFORMATION DETECTION METHOD AND CONTROL INFORMATION TRANSMISSION METHOD


(57) A user apparatus comprises a memory that stores a preamble and identification information of the user apparatus, a processor that detects control information, addressed to the user apparatus, by monitoring a candidate area of a common candidate area where a plurality of user apparatuses commonly perform monitoring and an individual candidate area for the user apparatus and a transmitter that transmits the preamble to a base station, wherein, the processor monitors, during a period when the user apparatus monitors a random access response, the individual candidate area using the identification information of the user apparatus to detect control information that is scrambled by the base station using the identification information of the user apparatus.