Abstract
The performance of a multi-collaborative mobile telemedicine system operating over Third-Generation (3G) mobile networks is presented. It is designed to communicate the personnel of an ambulance with medical specialists in a remote hospital through a Universal Mobile Telecommunications System (UMTS) mobile access. The system architecture is based on advanced signalling protocols that allow multimedia multi-collaborative conferences in IPv4/IPv6 3G scenarios. The system offers real-time transmission of medical data and videoconference, together with other non real-time services. It has been optimized specifically to operate over 3G mobile networks using the most appropriate codecs and mechanisms to improve the quality of the services offered. Evaluation results show a reliable performance over IPv4 UMTS accesses (64 Kbps in the uplink).
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