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1. WO2001062020 - BACKWARDS COMPATIBLE, EXTENDED METHOD TO EXECUTE CHECK NUMBER CALCULATION OF IMEI

Publication Number WO/2001/062020
Publication Date 23.08.2001
International Application No. PCT/US2001/040141
International Filing Date 16.02.2001
Chapter 2 Demand Filed 04.09.2001
IPC
H04M 11/00 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
MTELEPHONIC COMMUNICATION
11Telephonic communication systems specially adapted for combination with other electrical systems
H04W 12/06 2009.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
12Security arrangements, e.g. access security or fraud detection; Authentication, e.g. verifying user identity or authorisation; Protecting privacy or anonymity
06Authentication
CPC
H04B 7/26
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
24for communication between two or more posts
26at least one of which is mobile
H04W 8/22
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
8Network data management
22Processing or transfer of terminal data, e.g. status or physical capabilities
H04W 8/26
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
8Network data management
26Network addressing or numbering for mobility support
Applicants
  • NOKIA CORPORATION [FI]/[FI] (AE, AG, AL, AM, AT, AU, AZ, BA, BE, BF, BG, BJ, BR, BY, BZ, CA, CF, CG, CH, CI, CM, CN, CR, CU, CY, CZ, DE, DK, DM, DZ, EE, ES, FI, FR, GA, GB, GD, GE, GH, GM, GN, GR, GW, HR, HU, ID, IE, IL, IN, IS, IT, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MC, MD, MG, MK, ML, MN, MR, MW, MX, MZ, NE, NL, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, SN, SZ, TD, TG, TJ, TM, TR, TT, TZ, UA, UG, UZ, VN, YU, ZA, ZW)
  • NOKIA INC [US]/[US] (BB)
Inventors
  • ALANARA, Seppo
Agents
  • SMITH, Harry, F.
Priority Data
09/783,91715.02.2001US
60/183,27917.02.2000US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) BACKWARDS COMPATIBLE, EXTENDED METHOD TO EXECUTE CHECK NUMBER CALCULATION OF IMEI
(FR) PROCEDE ELARGI A COMPATIBILITE DESCENDANTE PERMETTANT D'EXECUTER LE CALCUL DU CHIFFRE DE CONTROLE DE IMEI
Abstract
(EN) A method is taught to provide an improved mobile station International Mobile Equipment Identity (IMEI) code having at least a six digit hexadecimal SNR representation, in conjunction with modifying a Check Digit calculation procedure so as to insure backwards compatibility with an existing installed base of mobile stations having a six digit BCD SNR representation.
(FR) L'invention concerne un procédé permettant d'obtenir un code IMEI (International Mobile Equipment Identity) amélioré de station mobile ayant au moins une représentation de numéro de série hexadécimale à six chiffres ainsi que la modification d'une procédure de calcul du chiffre de contrôle afin d'assurer une compatibilité descendante avec une base installée existante de stations mobiles ayant une représentation de numéro de série à six chiffres décimale codée en binaire.
Related patent documents
ZA200206321This application is not viewable in PATENTSCOPE because the national phase entry has not been published yet or the national entry is issued from a country that does not share data with WIPO or there is a formatting issue or an unavailability of the application.
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