System and method for mobile terminal positioning

Details System and method for mobile terminal positioning System and method for mobile terminal positioning

H - Electricity

04

Q

H04Q 7/38 (2006.01)

Patent

CA 2311889

A telecommunications system and method is disclosed for determining the address of both the home and serving Mobile Positioning Centers (MPCs). Each Mobile Switching Center/Visitor Location Register (MSC/VLR) and Home Location Register (HLR) within a Public Land Mobile Network (PLMN) will be provided with the MPC address that is valid for its PLMN. When a Mobile Station (MS) roams into a new (serving) PLMN, a Location Update is performed by the serving MSC/VLR to the Home Location Register (HLR). The MPC address for the serving MSC/VLR will be included in every location update operation to the HLR, which can then store this serving MPC address in the subscriber's HLR record. Furthermore, the home MPC address, valid for the PLMN of the HLR, is included in every subscriber data transfer operation from the HLR to the serving MSC/VLR, which can then store this home MPC address, in the subscriber's VLR record.

L'invention porte sur un système et un procédé de télécommunications permettant de déterminer l'adresse des centres de localisation de mobiles (CLM) de desserte et de rattachement. Chaque centre de commutation de mobiles/registre de localisation de visiteur (CLM/RLV) et chaque registre de position de rattachement (RPT)dans un réseau mobile terrestre public (RMTP) possèdera l'adresse CLM qui est valable pour RMTP. Lorsqu'une station mobile (SM) se déplace dans un nouveau RMTP (de desserte), une mise à jour de localisation est effectuée par les centres CLM/RLV de desserte sur le registre de position de rattachement (RPT). L'adresse CLM des centres de desserte CLM/RLV sera incluse dans toute opération de mise à jour de localisation sur le RPT qui peut ensuite stocker cette adresse du centre CLM de desserte dans la mémoire du RPT de l'abonné. De plus, l'adresse du centre CLM de rattachement, valable pour le RMTP du RPT, est incluse dans toute opération de transfert de données de l'abonné, du RPT au centre CLM/RLV de desserte, et peut ensuite stocker cette adresse CLV de rattachement, dans le bloc RLV de l'abonné.

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