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1. (WO2018163432) USER TERMINAL AND WIRELESS COMMUNICATION METHOD
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Pub. No.: WO/2018/163432 International Application No.: PCT/JP2017/009837
Publication Date: 13.09.2018 International Filing Date: 10.03.2017
IPC:
H04L 27/26 (2006.01) ,H04B 1/713 (2011.01) ,H04J 13/18 (2011.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27
Modulated-carrier systems
26
Systems using multi-frequency codes
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
B
TRANSMISSION
1
Details of transmission systems, not covered by a single one of groups H04B3/-H04B13/123; Details of transmission systems not characterised by the medium used for transmission
69
Spread spectrum techniques
713
using frequency hopping
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
J
MULTIPLEX COMMUNICATION
13
Code division multiplex systems
16
Code allocation
18
Allocation of orthogonal codes
Applicants:
株式会社NTTドコモ NTT DOCOMO, INC. [JP/JP]; 東京都千代田区永田町二丁目11番1号 11-1, Nagatacho 2-chome, Chiyoda-ku, Tokyo 1006150, JP
Inventors:
武田 一樹 TAKEDA, Kazuki; JP
永田 聡 NAGATA, Satoshi; JP
グオ シャオツェン GUO, Shaozhen; CN
ワン リフェ WANG, Lihui; CN
コウ ギョウリン HOU, Xiaolin; CN
ジャン ホイリン JIANG, Huiling; CN
Agent:
青木 宏義 AOKI, Hiroyoshi; JP
天田 昌行 AMADA, Masayuki; JP
守屋 芳隆 MORIYA, Yoshitaka; JP
古瀬 洋子 FURUSE, Yoko; JP
Priority Data:
Title (EN) USER TERMINAL AND WIRELESS COMMUNICATION METHOD
(FR) TERMINAL UTILISATEUR ET PROCÉDÉ DE COMMUNICATION SANS FIL
(JA) ユーザ端末及び無線通信方法
Abstract:
(EN) The purpose of the present invention is to appropriately control the enablement or disablement of DMRS sequence hopping for an sTTI that is shorter than a 1ms TTI. This user terminal includes a transmission unit that transmits an uplink (UL) channel DMRS, for an sTTI shorter than a 1ms TTI, and controls the enablement or disablement of DMRS sequence hopping on the basis of whether an orthogonal cover code (OCC) is applied to the DMRS.
(FR) Le but de la présente invention est de commander de manière appropriée l'activation ou la désactivation d'un saut de séquence DMRS pour un sTTI qui est plus court qu'un TTI de 1 ms. Ce terminal utilisateur comprend une unité de transmission qui transmet un DMRS de canal de liaison montante (UL), pour un sTTI plus court qu'un TTI de 1 ms, et commande l'activation ou la désactivation du saut de séquence DMRS sur la base du fait qu'un code de couverture orthogonal (OCC) est appliqué au DMRS ou non.
(JA) 1msのTTIよりも短いsTTIにおいて、DMRS系列のホッピングの有効化又は無効化を適切に制御すること。本発明のユーザ端末は、1msのTTIよりもsTTIにおいて、上りリンク(UL)チャネルのDMRSを送信する送信部と、当該DMRSに直交カバー符号(OCC)が適用されるか否かに基づいて、DMRS系列のホッピングの有効化又は無効化を制御する。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)