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1. (WO2015044272) METHODS AND APPARATUS FOR SMALL CELL CHANGE
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2015/044272 International Application No.: PCT/EP2014/070497
Publication Date: 02.04.2015 International Filing Date: 25.09.2014
IPC:
H04W 36/00 (2009.01) ,H04W 36/36 (2009.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
36
Handoff or reselecting arrangements
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
36
Handoff or reselecting arrangements
34
Reselection control
36
by user or terminal equipment
Applicants:
NOKIA SOLUTIONS AND NETWORKS OY [FI/FI]; Karaportti 3 FI-02610 Espoo, FI
Inventors:
ROSA, Claudio; DK
PEDERSEN, Klaus Ingemann; DK
SEBIRE, Benoist Pierre; JP
WU, Chunli; CN
Priority Data:
61/883,55927.09.2013US
Title (EN) METHODS AND APPARATUS FOR SMALL CELL CHANGE
(FR) PROCÉDÉS ET APPAREIL DE CHANGEMENT DE PETITES CELLULES
Abstract:
(EN) Systems and techniques for changing between secondary cells in dual connectivity communication. A user device (110A) operating in dual connectivity with a master base station (102) and a source base station (106A) transmits a change request to a target secondary base station (106B), seeking a connection change to a target base station that is to be used as the secondary base station. The target base station (106B) notifies the master base station (102) of the change request, and the master base station performs changeover operations - for example, notifying the source base station (106A) that it is no longer to be used in dual connectivity with the user device (110A) making the request, and notifying the user device (110A) that the change request has been accepted, with the user device (110A) then proceeding to establish connection with the target secondary base station (106B).
(FR) L'invention concerne des systèmes et des techniques permettant de commuter entre différentes cellules secondaires dans une communication à double connectivité. Un dispositif utilisateur fonctionnant en double connectivité avec une station de base principale et une station de base source transmet une requête de changement à une station de base principale, demandant un changement de connexion vers une station de base cible qui doit être utilisée comme station de base secondaire. La station de base cible avertit la station de base principale de la demande de changement, et la station de base principale effectue les opérations de changement - par exemple, en avertissant la station de base source qu'elle n'est plus utilisée en connectivité double avec le dispositif utilisateur formulant la demande, et en avertissant le dispositif utilisateur que la demande de changement a été acceptée, le dispositif utilisateur procédant ensuite à l'établissement d'une connexion avec la station de base secondaire cible.
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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, 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, KN, KP, KR, 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)