Data packet transmission method

摘要

In order to transmit data packets for a packet data service in a cellular mobile radio network, in each case one channel (TCH) in the radio-transmission system (BSS) of the mobile radio network is reserved and linked to a transmission channel (NUC) leading to a separate service network node (GSN), so forming a continuous data channel. Data packets and signalling information are transmitted together via the data channel in a single data protocol between the mobile subscriber station (MS) and the service network node (GSN). In this way, signalling information and data packets are transmitted in only one protocol, that is, the data protocol. By using only the data protocol for the joint transmission of the data packets and signalling information, the signalling load and the channel-loading duration in the mobile radio network are considerably reduced with respect to the solution which employs two separate protocols for signalling and data.