Overlapping spectrum cellular communication networks

Details Overlapping spectrum cellular communication networks Overlapping spectrum cellular communication networks

H - Electricity

04

W

H04W 16/16 (2009.01) H04W 84/06 (2009.01)

Patent

CA 2552300

The overlapping spectrum cellular communication network functions to provide multiple cellular communication systems in the same spectrum as the existing NATS-based cellular communication system, while also providing wideband services to subscribers. This is accomplished by enabling two system operators to each have a dedicated 1.25 MHz slice of the NATS spectrum. However, given that there is only 2 MHz available, this results in a 0.50 MHz overlap of 1.25 MHz carriers. To mitigate the inter-network overlap and the potential for interference between the two systems, the overlapping spectrum cellular communication network swaps forward and reverse path allocations on a per system basis.

Cette invention se rapporte à un réseau de communication cellulaire avec spectres se chevauchant, qui fonctionne de façon à former de multiples systèmes de communications cellulaires dans le même spectre que le système de communications cellulaires à base NATS existant, tout en fournissant des services à bande large aux abonnés. On réalise cette fonction en permettant à deux opérateurs de système de posséder chacun une tranche de 1,25 MHz dédiée du spectre NATS. Cependant, étant donné que seul 2 MHz sont disponibles, cette situation entraîne un chevauchement de 0,50 MHz des porteuses 1,25 MHz. Pour atténuer le chevauchement entre réseaux et le potentiel d'interférence entre les deux systèmes, ce réseau de communication cellulaire avec spectres se chevauchant permute les attributions de canaux aller et retour sur une base par système.

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