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1. (WO2008049966) METHOD FOR REDUCING INTER-CELL INTERFERENCE IN COMMUNICATIONS SYSTEM
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2008/049966 International Application No.: PCT/FI2007/050568
Publication Date: 02.05.2008 International Filing Date: 22.10.2007
IPC:
H04B 17/00 (2006.01) ,H04W 72/12 (2009.01) ,H04W 16/14 (2009.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
B
TRANSMISSION
17
Monitoring; Testing
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
12
Wireless traffic scheduling
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
16
Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cell structures
14
Spectrum sharing arrangements
Applicants:
NOKIA CORPORATION [FI/FI]; Keilalahdentie 4 FI-02150 Espoo, FI (AllExceptUS)
KODO, Shu [JP/JP]; JP (UsOnly)
HONGYUAN, Chen [CN/JP]; JP (UsOnly)
SIPILÄ, Kari [FI/FI]; FI (UsOnly)
MOGENSEN, Preben [DK/DK]; DK (UsOnly)
Inventors:
KODO, Shu; JP
HONGYUAN, Chen; JP
SIPILÄ, Kari; FI
MOGENSEN, Preben; DK
Agent:
KOLSTER OY AB; P.O. Box 148 Iso Roobertinkatu 23 FI-00121 Helsinki, FI
Priority Data:
11/584,55323.10.2006US
Title (EN) METHOD FOR REDUCING INTER-CELL INTERFERENCE IN COMMUNICATIONS SYSTEM
(FR) PROCÉDÉ DE RÉDUCTION D'INTERFÉRENCES ENTRE CELLULES DANS SYSTÈME DE COMMUNICATION
Abstract:
(EN) The application discloses a method for avoiding inter-ceil interference in a cellular communications system. In the method, a user terminal (UE2) measures (6-3) control signalling (6-2) of a first, serving base station (BS3) and control signalling (6-1 ) of a second base station (BS2), the user terminal (LJE2) being within the coverage area of the serving base station (BS3) and the coverage area of the second base station (BS2). Based on the measuring, the user terminal calculates (6-4) a timing difference between the signalling from the serving base station (BS3) and the signalling from the second base station (BS2). Information on the timing difference is provided (6-5) to the serving base station (BS3). Based on the timing difference, the serving base station (BS3) schedules (6-6) data transmission (6-7) to be transmitted to the user terminal (UE2) non-simultaneously with the control signalling (6-1 ) from the second base station (BS2).
(FR) La présente invention concerne un procédé destiné à éviter des interférences entre cellules dans un système de communication cellulaire. Dans le procédé, un terminal utilisateur (UE2) mesure (6-3) la commande de signalisation (6-2) d'une première station de base de desserte (BS3) et la signalisation de commande (6-3) d'une seconde station de base (BS2), le terminal utilisateur (LJE2) se trouvant dans la zone de couverture de la station de base de desserte (BS3) et la zone de couverture de la seconde station de base (BS2). En fonction des mesures obtenues, le terminal utilisateur calcule (6-4) une différence de synchronisation entre la signalisation provenant de la station de base de desserte (BS3) et celle provenant de la seconde station de base (BS2). L'information portant sur la différence de synchronisation est transmise (6-5) à la station de base de desserte (BS3). Selon la différence de synchronisation, la station de base de desserte (BS3) planifie (6-6) la transmission de données (6-7) à être transmises au terminal utilisateur (UE2) de façon non simultanée avec la signalisation de commande (6-1) à partir de la seconde station de base (BS2).
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Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, 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, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SV, SY, 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, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, MT, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)