Next G gets a speed boost

Direct tunnelling used in core packet handling

Telstra's 3G network will be faster, cheaper and have more capacity following a deal with Ericsson to install Direct Tunnel technology.

The 3G Direct Tunnel (3GDT) was activated in the network's core architecture to improve packet handling without the need for additional hardware.

"3G Direct Tunnel is an important feature to increase our packet data network capacity, profitability, and further improves the mobile broadband service," said Telstra wireless executive director Mike Wright.

The 3GDT increases the data traffic capacity in WCDMA and HSPA networks by creating a direct connection between the Radio Network Controller -- the control and aggregation unit in the radio access network, and the Gateway GRPS Support Node, which is the interface unit between the mobile data network and Internet.

Telstra's 3G payload traffic is now bypassing the Serving GPRS Support Node, which works as a traffic signalling server.

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