Multi-network seamless roaming through a software-defined-radio

H - Electricity – 04 – M

Patent

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Details

H04M 1/00 (2006.01) H04Q 7/20 (2006.01)

Patent

CA 2578467

A method is provided for seamless roaming over multiple dissimilar wireless networks leveraging a set of one or more SDRs, and possibly some traditional radio communication devices. The method includes determining whether alternate networks are available regardless of whether the SDR has only a single transmitter and receiver or multiple transmitters and receivers. In addition, if the SDR provides multiple transmitters and receivers, or if multiple distinct SDRs are available to the mobile computing device, the method will be able to better optimize the seamless roaming experience for the user while still utilizing the set of SDRs, in part, to determine whether alternate networks are available. The method further includes managing the transitions of an SDR between various modulation algorithms according to a variety of states and settings of the SDR or of the set of SDRs as a whole.

L'invention porte sur un procédé d'itinérance transparente sur de multiples réseaux sans fil dissemblables exploitant un ensemble d'une ou plusieurs radios définies par logiciel ("software defined radio" ou SDR) et, éventuellement, certains dispositifs de communication radio classiques. Le procédé de l'invention consiste à déterminer si des réseaux secondaires sont disponibles, indépendamment du fait que la SDR possède un unique émetteur-récepteur ou de multiples émetteurs et récepteurs. En outre, si la SDR possède de multiples émetteurs et récepteurs ou si de multiples SDR distinctes sont disponibles pour le dispositif informatique mobile, le procédé permet de mieux optimiser l'expérience d'itinérance transparente de l'utilisateur tout en continuant à utiliser l'ensemble des SDR, en partie pour déterminer la disponibilité de réseaux secondaires. Le procédé consiste également à gérer les transitions d'une SDR entre divers algorithmes de modulation conformément à une variété d'états et de réglages de la SDR ou de l'ensemble de SDR.

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