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1. (WO1998051033) METHOD FOR CORRECTING SYNCHRONIZATION ERROR AND RADIO SYSTEM
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1998/051033 International Application No.: PCT/FI1998/000389
Publication Date: 12.11.1998 International Filing Date: 06.05.1998
Chapter 2 Demand Filed: 04.12.1998
IPC:
H04J 3/06 (2006.01) ,H04B 7/26 (2006.01) ,H04L 7/00 (2006.01) ,H04W 88/18 (2009.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
J
MULTIPLEX COMMUNICATION
3
Time-division multiplex systems
02
Details
06
Synchronising arrangements
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
B
TRANSMISSION
7
Radio transmission systems, i.e. using radiation field
24
for communication between two or more posts
26
at least one of which is mobile
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
7
Arrangements for synchronising receiver with transmitter
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
88
Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
18
Service support; Network management devices
Applicants:
NOKIA NETWORKS OY [FI/FI]; Keilalahdentie 4 FIN-02150 Espoo, FI (AllExceptUS)
ROPPONEN, Antti [FI/FI]; FI (UsOnly)
Inventors:
ROPPONEN, Antti; FI
Agent:
PATENTTITOIMISTO TEKNOPOLIS KOLSTER OY; c/o Kolster Oy AB Iso Roobertinkatu 23 P.O. Box 148 FIN-00121 Helsinki, FI
Priority Data:
97195907.05.1997FI
Title (EN) METHOD FOR CORRECTING SYNCHRONIZATION ERROR AND RADIO SYSTEM
(FR) PROCEDE DE CORRECTION D'ERREUR DE SYNCHRONISATION ET SYSTEME HERTZIEN
Abstract:
(EN) The invention relates to a digital radio system and to a method for correcting a synchronization error in a digital radio system comprising at least one base station (100) communicating with terminals (102, 104) in its coverage area, and a mobile telephone exchange (108) communicating with the base station and controlling the operation of the base stations. The information to be transmitted is coded and decoded in a transcoder unit (200) into a form suitable for the transmission. The base station sends information frames to the transcoder at a certain pace, and, correspondingly, the transcoder sends information frames to the base station at a certain pace. To ensure easy transmission of information and to increase flexibility, the base station (100) indicates in an information frame sent to the transcoder (200) the synchronization error present in the information frames coming from the transcoder, and the transcoder corrects its synchronization after receiving said message.
(FR) L'invention concerne un système hertzien numérique et un procédé de correction d'erreur de synchronisation dans un système hertzien numérique comprenant au moins une station de base (100) communiquant avec des terminaux (102, 104) dans sa zone de desserte, et un central téléphonique mobile (108) communiquant avec la station de base et commandant le fonctionnement des stations de base. Les informations à transmettre sont codées et décodées dans une unité de transcodage (200) de manière à adopter une forme adéquate pour la transmission. La station de base envoie des trames d'informations au transcodeur à un certain rythme et, parallèlement, le transcodeur envoie des trames d'informations à la station de base à un certain rythme. Afin d'assurer une transmission aisée des informations et d'améliorer la flexibilité, la station de base (100) indique dans une trame d'informations envoyée au transcodeur (200) l'erreur de synchronisation présente dans les trames d'informations en provenance du transcodeur et le transcodeur corrige sa synchronisation après réception dudit message.
Designated States: AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CU, CZ, DE, DK, EE, ES, FI, GB, GE, GH, GM, GW, HU, ID, IL, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, UA, UG, US, UZ, VN, YU, ZW
African Regional Intellectual Property Organization (ARIPO) (GH, GM, KE, LS, MW, SD, SZ, UG, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: Finnish (FI)
Also published as:
NO19995439EP0992166US6490704JP2001525134 CN1255273DE000069825054
AU1998073373