Method and apparatus for providing multiple quality of...

H - Electricity – 04 – L

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H04L 12/56 (2006.01) H04L 12/28 (2006.01) H04L 29/06 (2006.01) H04L 29/08 (2006.01)

Patent

CA 2440814

The packets generated by each of multiple packet data applications are provided to a single Point-to-Point Protocol (PPP) stack (202) and a single High-level Data Link Control (HDLC) framing layer (204) to convert data packets into byte streams suitable for transmission through Radio Link Protocol (RLP) connections. Each of the resultant multiple byte streams is then provided to one of multiple RLP connections having different retransmission and delay properties (206 and 208). The RLP connection selected for sending data from each application is based on the grade of service most appropriate for the application. At the receiver, the data from the multiple RLP connections (218 and 216) is provided to a single PPP stack (210).

Les paquets générés par chacune des applications de données à paquets multiples sont adressés à une pile unique (202) à protocole "point à point" (PPP) et une couche de formation de trames (204) de commande de lien de données haut niveau (HDLC), et ce pour convertir les paquets de données en des flux binaires transmis par des connexions à liaison radio (RLP). Chacun des flux binaires multiples qui en résultent est ensuite adressé à l'une des connexions RLP multiples qui possèdent des propriétés différentes de retransmission et de retard (206 et 208). La connexion RLP sélectionnée pour l'envoi des données depuis chacune des applications est basée sur le niveau de service le plus approprié pour l'application. Dans le récepteur, les données provenant des connexions RLP multiples (218 et 216) sont adressées à une pile PPP unique (210).

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