G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 3/30 (2006.01) H04Q 7/38 (2006.01) G01S 11/02 (2006.01)
Patent
CA 2257911
The method concerns the management of the communications intercell handover of mobile stations (MS) in a cellular radiocommunication system comprising a definite number of microcells inside the umbrella cells having each respectively a base station (BTS) for routing communications. It consists in locating by radiogoniometry at least two successive virtual positions of the communicating mobile stations (MS) relative to the umbrella cell base station to deduce therefrom a moving speed for each mobile in the time interval which separates the locating of their positions, in comparing respectively the obtained moving speeds with a determined speed value to entrust the management of communications of a mobile station (MS) to the base station (BTS) of the umbrella cell in which it is located when the speed is greater than the determined speed value or to the microcell base station (BTS) in the opposite case.
Le procédé concerne la gestion du transfert intercellulaire de communications de stations mobiles (MS) dans un système de radiocommunication cellulaire comportant un nombre déterminé de microcellules à l'intérieur de cellules parapluie possédant chacune respectivement une station de base (BTS) pour permettre l'acheminement des communications. Il consiste à repérer par une radiogoniométrie au moins deux positions virtuelles successives des stations mobiles (MS) en communication relativement à la station de base de la cellule parapluie pour en déduire une vitesse de déplacement de chaque mobile dans l'intervalle de temps qui sépare le repérage de leurs positions, à comparer respectivement les vitesses de déplacement obtenues à une valeur de vitesse déterminée pour confier la gestion des communications d'une station mobile (MS) à la station de base (BTS) de la cellule parapluie dans laquelle elle se trouve lorsque sa vitesse est supérieure à la valeur de vitesse déterminée, ou aux stations de base (BTS) des microcellules dans le cas contraire.
Robic
Thomson-Csf
LandOfFree
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