Method and apparatus for supporting expanded electronic...

H - Electricity – 04 – Q

Patent

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H04Q 7/32 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2331821

A 32 bit digital "amended electronic serial number" (AESN) is generated from a 56 bit "extended electronic serial number" (EESN). The AESN distinguishes each subscriber unit within a wireless system from each other subscriber unit. Two distinct methods are disclosed. In the first method, a manufacturer's code field ("MFR") (202) is tested to determine whether the subscriber unit has been assigned an EESN. If so, then the least significant 8 bits of the manufacturer's code field ("EMFR") (208) are appended to the "serial number" field ("SN") (204). In the second method, each manufacturer generates serial numbers by applying a pseudo-random sequence. The "seed" for the pseudo-random sequence is based on the manufacturer's EMFR (208). This serial number is then combined with the 8 bit MFR.

Un numéro de série électronique amendé (AESN) numérique 32 bits est produit à partir d'un numéro de série électronique étendu (EESN) 56 bits. L'AESN distingue chaque unité d'abonné d'un système de communications sans fil d'une autre unité d'abonné. L'invention concerne deux procédés distincts. Selon un premier procédé, on teste une zone de codage du constructeur (MFR) (202), de façon à déterminer si on a affecté un EESN à l'unité d'abonné. Le cas échéant, les huit bits les moins significatifs de la zone de codage du constructeur (EMFR) (208) sont ajoutés à la zone de numéro de série (SN) (204). Selon un second procédé, chaque constructeur génère des numéros de série en appliquant une séquence pseudo-aléatoire. Le noyau de la séquence pseudo-aléatoire est basé sur le EMFR du constructeur (208). Ce numéro de série est ensuite associé aux huit bits du MFR.

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