Three key technologies were brought together for the first time to show the usefulness of seamless mobile services: next generation Internet (IPv6), 3G (UMTS/WCDMA) and Multi-Access.


The medical emergency system, called Guardian Angel, can seamlessly move between different types of access networks - whatever is the best available in a certain location. From a hospital setting, doctors can observe the patient in the ambulance, check the heart rate and blood pressure, using mobile networks such as GSM/GPRS or UMTS/WCDMA. Once the ambulance reaches the hospital, the system can automatically switch over to an indoor WLAN hot spot. Data flows can use separate network interfaces in parallel. For example, if the WLAN does not have sufficient reliability, vital data transmissions could simultaneously use a GSM/GPRS or UMTS/WCDMA channel.


The demonstration was a joint effort within the 6WINIT project consisting of University Hospital at Tübingen, University of Stuttgart Computing Center, University of Bremen, University College London and Ericsson. It took place at Ericsson's headquarters in Stockholm in the presence of invited EU-officials as part of the Final Review of the EU project.


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