Method and apparatus for a spectrally compliant cellular...

Details Method and apparatus for a spectrally compliant cellular... Method and apparatus for a spectrally compliant cellular...

H - Electricity

04

W

H04W 88/08 (2009.01)

Patent

CA 2521373

A system for wireless data transmission that uses a channel bandwidth, channel separation, and radio frequency power spectrum which is compatible with existing deployments of wireless voice services. The transmitted waveforms are thus compatible with existing cellular networks. However, the time domain digital coding, modulation, and power control schemes are optimized for data transmission. Existing cellular network sites can thus be used to provide a high speed service optimized for wireless data traffic without the need for new radio frequency planning, and without interfering with existing voice service deployments.

L'invention concerne un système de transmission de données sans fil dans lequel sont utilisés une largeur de bande de voie, la séparation des voies, et un spectre de puissance radioélectrique compatible avec les services vocaux sans fil existants. Les formes d'ondes transmises sont ainsi compatibles avec les réseaux cellulaires existants. Les systèmes de codage numérique de domaine temporel, de modulation et de réglage de puissance sont cependant optimisés pour la transmission des données. Les sites des réseaux cellulaires existants peuvent ainsi être utilisés pour fournir un service haute vitesse optimisé de trafic de données sans fil, sans nécessiter de nouvelle planification radioélectrique, et sans entraver la mise en oeuvre des services vocaux existants.

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