Method and system for the determination of the pscn...

Details Method and system for the determination of the pscn... Method and system for the determination of the pscn...

H - Electricity

04

Q

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

Patent

CA 2216580

The invention relates to a method and a system to obtain the so-called Primary Receiver Scan Carrier Number (PSCN) starting from the data regarding the so-called multiframe number (MFN) in a personal telephone system realized according to the DECT standard. The preferred embodiment of the present invention includes the following steps: calculating the minimum common multiple (m.c.m.) between the duration of a multiframe (160 ms) and the period necessary for the complete scanning of the frequencies by the radio fixed part (RFP); dividing this minimum common multiple (m.c.m.) by the duration of a multiframe and taking the quotient to obtain a periodicity value; waiting that the multiframe number (MFN) assumes a whole multiple value of the periodicity calculated as indicated above and beginning the scanning starting from the known frequency (x) which is common to all radio fixed parts (RFP) to be synchronized.

Procédé et système permettant d'obtenir le nombre de porteuses de balayage de récepteur primaire (PSCN) en partant des données concernant le nombre de multitrames (MFN) dans un système de téléphone personnel produit selon la norme DECT. Dans le mode de réalisation préféré de la présente invention, ledit procédé consiste à calculer le plus petit commun multiple (p.p.c.m.) entre la durée d'une multitrame (160 ms) et le laps de temps nécessaire pour le balayage complet des fréquences par la partie radio fixe (RFP), à diviser ledit plus petit commun multiple par la durée d'une multitrame et à prendre le quotient pour obtenir une valeur de périodicité, à attendre que le nombre de multitrames (MFN) corresponde à une valeur entière multiple de la périodicité calculée selon le procédé indiqué ci-dessus et à commencer le balayage en partant de la fréquence connue (x) qui est commune à toutes les parties radio fixes (RFP) à synchroniser.

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