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Patent Searching and Data


Title:
USER DEVICE AND BASE STATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/138513
Kind Code:
A1
Abstract:
A user device according to the present invention communicates with a base station device via a radio frame and has: a reception unit for receiving, from the base station device, indices related to RACH setting tables indicating allocation of RACH resources in the radio frame; a control unit for identifying an available RACH resource on the basis of a plurality of RACH setting tables different from one another and the indices; and a transmission unit for transmitting a preamble to the base station device by using the identified available RACH resource.

Inventors:
OHARA, Tomoya (INC. SANNO PARK TOWER 11-1, Nagatacho 2-chome, Chiyoda-k, Tokyo 50, 〒1006150, JP)
HARADA, Hiroki (INC. SANNO PARK TOWER 11-1, Nagatacho 2-chome, Chiyoda-k, Tokyo 50, 〒1006150, JP)
Application Number:
JP2018/000523
Publication Date:
July 18, 2019
Filing Date:
January 11, 2018
Export Citation:
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Assignee:
NTT DOCOMO, INC. (11-1, Nagatacho 2-chome Chiyoda-k, Tokyo 50, 〒1006150, JP)
International Classes:
H04W74/08; H04W76/10
Foreign References:
JP2015146633A2015-08-13
Other References:
INTEL CORPORATION: "Remaining details of PRACH formats", 3GPP TSG RAN WG1 #91 R1-1720061, 1 December 2017 (2017-12-01), XP051369742
NTT DOCOMO; INC: "Remaining details of PRACH formats", 3GPP TSG RAN WG1 #91 R1-1720794, 1 December 2017 (2017-12-01), XP051370223
Attorney, Agent or Firm:
ITOH, Tadashige et al. (16th Floor, Marunouchi MY PLAZA 1-1, Marunouchi 2-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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