Circuitry and method for initiating communication between...

Details Circuitry and method for initiating communication between... Circuitry and method for initiating communication between...

H - Electricity

04

B

H04B 7/185 (2006.01) H04Q 7/08 (2006.01) H04Q 7/38 (2006.01) H04Q 7/10 (2006.01)

Patent

CA 2249388

A method and associated circuitry for initiating communication between a network station and a user terminal of a radiotelephonic communication system, such as a satellite-cellular communication system. When communication is to be initiated, a paging signal is transmitted by a network station to the user terminal. When the user terminal detects the paging signal, an acknowledgment signal is generated by the user terminal and encoded to increase the margin of the acknowledgment signal. An increased-margin acknowledgment signal acknowledging reception of the paging signal is transmitted to facilitate communication of the acknowledgment signal back to the network station.

Cette invention concerne un procédé et les circuits associés qui permettent d'initialiser une communication entre une station de réseau et le terminal d'un utilisateur dans un système de radiocommunications, tel qu'un système de communications cellulaire par satellite. Lorsque la communication est initialisée, un signal de radiomessagerie unilatérale est transmis par une station du réseau au terminal de l'utilisateur. Lorsque le terminal de l'utilisateur détecte le signal de radiomessagerie, un signal d'accusé de réception est généré par le terminal de l'utilisateur et codé de façon à accroître la marge du signal d'accusé de réception. Un signal d'accusé de réception à marge accrue, qui accuse réception du signal de radiomessagerie, est transmis dans le but de faciliter la communication retour du signal d'accusé de réception vers la station du réseau.

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