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1. (WO2019064270) MULTI-BEAM RANDOM ACCESS PROCEDURE IN HANDOVER EXECUTION
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Pub. No.: WO/2019/064270 International Application No.: PCT/IB2018/057577
Publication Date: 04.04.2019 International Filing Date: 28.09.2018
IPC:
H04W 74/08 (2009.01) ,H04W 36/00 (2009.01) ,H04B 7/06 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
74
Wireless channel access, e.g. scheduled or random access
08
Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
36
Handoff or reselecting arrangements
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
B
TRANSMISSION
7
Radio transmission systems, i.e. using radiation field
02
Diversity systems
04
using a plurality of spaced independent aerials
06
at transmitting station
Applicants:
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) [SE/SE]; 164 83 STOCKHOLM, SE
Inventors:
DA SILVA, Icaro L. J.; SE
SAHLIN, Henrik; SE
FOLKE, Mats; SE
PEISA, Janne; FI
CHRISTOFFERSSON, Jan; SE
Agent:
GERLACH, Tim; US
KEARNS, Brian; US
BURLEIGH, Roger; US
Priority Data:
62/564,49628.09.2017US
Title (EN) MULTI-BEAM RANDOM ACCESS PROCEDURE IN HANDOVER EXECUTION
(FR) PROCÉDURE D'ACCÈS ALÉATOIRE MULTI-FAISCEAU DANS L'EXÉCUTION D'UN TRANSFERT
Abstract:
(EN) A method in a UE comprises: receiving (501) a message from a network node (160) comprising information about one or more sets of dedicated random access channel (RACH) resources, each set of dedicated RACH resources associated with a beam associated with a target cell; obtaining (502) an estimate of beam quality for each beam associated with the sets of dedicated RACH resources; determining (503), based on the obtained estimate of beam quality, whether any beam associated with the one or more sets of dedicated RACH resources meets one or more criteria of a first set of criteria for performing random access; and performing (504) random access based on whether any beam associated with the one or more sets of dedicated RACH resources meets the one or more criteria of the first set of criteria for performing random access.
(FR) L’invention concerne un procédé exécuté dans un UE. Le procédé consiste à : recevoir (501), d'un nœud de réseau (160), un message contenant des informations relatives à un ou plusieurs ensembles de ressources de canal d'accès aléatoire (RACH) dédiées, chaque ensemble de ressources RACH dédiées étant associé à un faisceau associé à une cellule cible ; obtenir (502) une estimation de qualité de faisceau pour chaque faisceau associé aux ensembles de ressources RACH dédiées ; déterminer (503), sur la base de l'estimation obtenue de la qualité de faisceau, si un faisceau associé au ou aux ensembles de ressources RACH dédiées satisfait un ou plusieurs critères d'un premier ensemble de critères pour exécuter un accès aléatoire ; et exécuter (504) un accès aléatoire selon qu’un faisceau associé au ou aux ensembles de ressources RACH dédiées satisfait le ou les critères du premier ensemble de critères pour exécuter un accès aléatoire.
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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, JO, 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)