Multiple user digital receiving apparatus and method with...

Details Multiple user digital receiving apparatus and method with... Multiple user digital receiving apparatus and method with...

H - Electricity

04

J

H04J 1/05 (2006.01) G01S 1/00 (2006.01) H04B 1/16 (2006.01) H04B 1/26 (2006.01) H04B 1/40 (2006.01) H04J 4/00 (2006.01) H04H 1/00 (2006.01)

Patent

CA 2066540

A digital receiver apparatus and method, designed for multiple simultaneous users, digitizes a received analog RF signal and tunes to multiple desired frequencies of the received signal on a time division multiplexed basis. After filtering by a finite impulse response (FIR) filter that also operates in time division multiplexing for multiple service bands, the selected signals are digitally de-modulated and audio processed, again on a time-shared basis.

Appareil récepteur numérique et méthode associée conçus pour de nombreux utilisateurs simultanés. L'appareil numérise un signal RF analogique reçu et syntonise en mode MRT (multiplexage par répartition dans le temps) de multiples fréquences désirées du signal reçu. Après filtrage au moyen d'un filtre FIR (filtre à réponse impulsionnelle finie) également exploité en mode MRT dans de multiples bandes de service, les signaux choisis sont démodulés numériquement et audiotraités, toujours en temps partagé.

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