Method and apparatus for hopping digital packet data signals

H - Electricity – 04 – Q

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H04Q 7/38 (2006.01) H04J 3/16 (2006.01) H04Q 7/22 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2189248

A method (300) and apparatus (200) provide for determining when a digital packet data signal and a voice signal are being concomitantly transmitted on a voice channel of a communication system. A sample of the transmitted signal (110) is compared (310) to a pre-transmitted sample of the digital packet data signal (108). In response to the comparison, a digital packet data transceiver hops (314-320) from the first voice channel to a different voice channel for transmitting the digital packet data signal when voice signals are present.

Ce procédé (300) et ce dispositif (200) permettent de déterminer lorsqu'un signal de données numériques en paquets et un signal à fréquences vocales sont transmis de manière concomitante sur une voie à fréquences vocales d'un système de télécommunications. Un échantillon du signal (110) transmis est comparé (310) avec un échantillon préalablement transmis du signal (108) de données numériques en paquets. En réponse à cette comparaison, un émetteur-récepteur de données numériques en paquets saute (314-320) de la première voie à fréquences vocales à une voie à fréquences vocales différente, afin de transmettre le signal de données numériques en paquets lorsque des signaux de fréquences vocales sont présents.

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