Cellular system architectures supporting data services

Details Cellular system architectures supporting data services Cellular system architectures supporting data services

H - Electricity

04

L

H04L 12/56 (2006.01) H04Q 11/04 (2006.01) H04Q 7/24 (2006.01) H04Q 7/22 (2006.01) H04Q 7/30 (2006.01)

Patent

CA 2199763

Four stages of digital cellular architecture are presented which reuse much of the existing voice infrastructure while allowing graceful introduction of data and integrated voice/data services over industry standard, low cost platforms. First, a separate ATM-based infrastructure is introduced that supports data services. A new data call control is introduced on industry standard hardware platforms using object oriented and modular programming. Second, ATM is introduced at radio ports and call control functions are migrated to the new ATM-based call control platforms. Third, vocoders are introduced at the DCS. Fourth, the cellular functions of the legacy cellular switch are phased out and replaced by the ATM-based target architecture.

L'invention est un ensemble de quatre étages d'architecture cellulaire numérique qui utilise une grande partie de l'infrastructure de transmission vocale actuelle tout en permettant l'introduction non nuisible de services de transmission de données et de transmission intégrée de communications vocales et de données par l'intermédiaire de plates-formes standard peu onéreuses. On introduit d'abord une infrastructure MTA qui prend en charge les services de transmission de données. Un nouveau système de contrôle des appels de données est introduit sur des plates-formes standard en utilisant une programmation orientée objets et une programmation modulaire. L'infrastructure MTA est ensuite introduite aux ports radio et les fonctions de contrôle des appels sont transmises aux nouvelles plates-formes de contrôle des appels MTA. Ensuite, des vocodeurs sont introduits au DCS. Finalement, les fonctions cellulaires du commutateur cellulaire actuel sont graduellement remplacées par l'architecture MTA.

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