Title:
端末、通信方法、基地局及び無線通信システム
Document Type and Number:
Japanese Patent JP6944528
Kind Code:
B2
Abstract:
A base station apparatus that communicates with a user apparatus is provided. The base station apparatus includes: a setting unit configured to arrange in a radio frame one or more blocks and information, the one or more blocks including information used for initial access, the information specifying resources that are associated with the blocks and are used for transmitting preambles; a transmission unit configured to transmit the radio frame to the user apparatus; and a reception unit configured to receive the preambles from the user apparatus via the resources. The information specifying the resource is set based on locations of the blocks arranged in the radio frame.
Inventors:
Tomoya Ohara
Hiroki Harada
Hiroki Harada
Application Number:
JP2019540272A
Publication Date:
October 06, 2021
Filing Date:
September 08, 2017
Export Citation:
Assignee:
Ntt docomo, Inc.
International Classes:
H04W72/04; H04W74/08
Other References:
LG Electronics,On four-step RACH procedure[online],3GPP TSG RAN WG1 #90,3GPP,2017年08月25日,R1-1713131,検索日[20210.4.05],Internet
NTT DOCOMO, INC.,Discussion on PRACH preamble format details for long/short sequence length for NR[online],3GPP TSG RAN WG1 adhoc_NR_AH_1706,3GPP,2017年06月30日,R1-1711065,検索日[2021.04.05],Internet
NTT DOCOMO, INC.,Discussion on PRACH preamble format details for long/short sequence length for NR[online],3GPP TSG RAN WG1 adhoc_NR_AH_1706,3GPP,2017年06月30日,R1-1711065,検索日[2021.04.05],Internet
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Ryuji Ishihara
Tadahiko Ito
Ryuji Ishihara