H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 8/02 (2009.01) H04W 4/10 (2009.01)
Patent
CA 2572637
A digital trunked communication network which supports roaming, includes a plurality of trunked communication systems, each of which comprises a base station subsystem and a dispatching subsystem; wherein base station subsystem is used to access various services of a terminal, and to forward trunked service to dispatching subsystem; dispatching subsystem is used to control and manage the trunked service of terminal which locates in its service area, and dispatching subsystems are connected together by IP network. The present invention divides the single control center of existing system into several independent subsystems by employing modularized network organization, thereby making the design and realization of various services clearer and more independent and effectively reducing the complexity of the system and coupling among various services. In addition, the present invention also provides a trunked roaming method which takes the home trunked system as control point in calling layer, thereby ensuring that the system consistently process roaming, non- roaming calls.
L'invention concerne un réseau numérique de communications ?ssources partagées prenant en charge l'itinérance, qui comprd une pluralit?de systèmes de communications ?ressources partagéecomportant chacun un sous-système de station de base et un sous-sstème de répartition. Le sous-système de station de base est utilpour accéder ?divers services d'un terminal d'accès et heminer les services de liaisons aux sous-système de répartition.e sous-système de répartition est utilis?pour contrôler et gérer services de liaisons d'un terminal situ?dans sa zone de desserte, et les sous-systèmes de répartition sont connectés ensemblear un réseau IP. Le procéd?de l'invention divise le centre dcommande unique du système existant en plusieurs sous-systèmes inendants selon le service fourni et selon une organisation du réseu en modules, ce qui rend la conception et l'exploitation de divers services plus transparentes et indépendantes et réduit laomplexit?et les connexions. L'invention concerne également u procéd?d'itinérance ?ressources partagées, qui utilise le s
Ren Gang
Wu Qiang
Xie Guosheng
Gowling Lafleur Henderson Llp
Zte Corporation
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