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1. (WO2018201438) COMMUNICATION SCHEME FOR SMALL CYCLIC DELAY DIVERSITY REFERENCE SIGNALS
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Pub. No.: WO/2018/201438 International Application No.: PCT/CN2017/083185
Publication Date: 08.11.2018 International Filing Date: 05.05.2017
IPC:
H04W 72/04 (2009.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
72
Local resource management, e.g. selection or allocation of wireless resources or wireless traffic scheduling
04
Wireless resource allocation
Applicants:
HAO, Chenxi [CN/CN]; US (US)
ZHANG, Yu [CN/CN]; US (US)
WEI, Chao [CN/CN]; US (US)
QUALCOMM INCORPORATED [US/US]; c/o International IP Administration 5775 Morehouse Drive San Diego, California 92121-1714, US
Inventors:
HAO, Chenxi; US
ZHANG, Yu; US
WEI, Chao; US
Agent:
NTD PATENT & TRADEMARK AGENCY LIMITED; 中国北京市 东城区北三环东路36号北京环球贸易中心C座10层 10th Floor, Tower C, Beijing Global Trade Center 36 North Third Ring Road East, Dongcheng District Beijing 100013, CN
Priority Data:
Title (EN) COMMUNICATION SCHEME FOR SMALL CYCLIC DELAY DIVERSITY REFERENCE SIGNALS
(FR) SCHÉMA DE COMMUNICATION POUR SIGNAUX DE RÉFÉRENCE À FAIBLE DIVERSITÉ DE RETARD CYCLIQUE
Abstract:
(EN) The described techniques relate to improved methods, systems, devices, or apparatuses that support communication schemes for small cyclic delay diversity (SCDD) reference signals (RSs). A base station may transmit a control message comprising at least one channel state information (CSI) configuration parameter to a UE. The UE may identify a time offset between a plurality of virtual antennas of the base station based at least in part on the CSI configuration parameter. The UE may perform measurements of a plurality of CSI reference signals (CSI-RSs) transmitted by the base station and associated with the virtual antennas. The UE may transmit a feedback message based at least in part on the determined time offset and the measurements of the CSI-RSs.
(FR) La présente invention concerne des procédés, des systèmes, des dispositifs ou des appareils améliorés qui supportent des schémas de communication pour des signaux de référence (RS) à faible diversité de retard cyclique (SCDD). Une station de base peut transmettre un message de commande qui comprend au moins un paramètre de configuration d'informations d'état de canal (CSI) à un UE. L'UE peut identifier un décalage temporel entre une pluralité d'antennes virtuelles de la station de base sur la base, au moins en partie, du paramètre de configuration de CSI. L'UE peut effectuer des mesures d'une pluralité de signaux de référence CSI (CSI-RS) transmis par la station de base et associés aux antennes virtuelles. L'UE peut transmettre un message de rétroaction sur la base, au moins en partie, du décalage temporel déterminé et des mesures des CSI-RS.
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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: English (EN)
Filing Language: English (EN)