Mobile communication system

Details Mobile communication system Mobile communication system

H - Electricity

04

B

H04B 7/204 (2006.01) H04B 7/26 (2006.01) H04Q 7/22 (2006.01) H04J 13/00 (2006.01)

Patent

CA 2225241

A mobile communication system implementing a frequency sharing and a time slot sharing using communication signal including a plurality of TDMA signals and/or the time divided CDMA signals, to supply the mobile communication system with an improved overall communication quality. The system includes the communication signal from a plurality of multiple access method for sharing frequency and time. A TDMA signal identified by synchronization word code has a different synchronization word code from each other, which is assigned to the same frequency and time slot. A time divided CDMA signal is frequency spreaded by spreading codes which is assigned to time divided time slot. The system also includes the stations which regenerate the time divided CDMA shared signal from the received communication signal and after a removal of the shared signal from the communication signal the TDMA signal synchronization word code is regenerated as desired signal.

Système mobile de radiocommunications fondé sur le partage de fréquences et le partage de créneaux temporels pour l'acheminement de signaux AMRT (TDMA) et/ou AMRC (CDMA) avec répartition temporelle, qui permet d'améliorer la qualité générale des transmissions. Le système traite le signal de radiocommunications produit par un certain nombre de méthodes d'accès multiple pour le partage fréquentiel et temporel. Les signaux AMRT, identifiés par des mots codes de synchronisation distincts, se partagent la même fréquence et le même créneau temporel. Les signaux AMRC avec répartition temporelle font l'objet d'un étalement en fréquence fondé sur l'étalement des codes assignés au créneau temporel avec répartition temporelle. Le système comprend des stations qui régénèrent le signal partagé AMRC avec répartition temporelle contenu dans le signal de radiocommunications; après extraction du signal partagé du signal de radiocommunications, le signal AMRT identifié par le mot code de synchronisation est régénéré comme signal désiré.

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