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Posts Tagged ‘Technological’

I think the last 15-20 years has seen advances in Internet, portables, telecommunications, genetic engineering..What do you predict in the next 15-20? Thanks for your input.

Challenges in Dual-Model Mobility – On a dual-mode phone, handoff of a live call between wifi and GSM networks. – All solutions in the field require infrastructure support: – Unlicensed Mobile Access (UMA) – Internet Multimedia Sub-system/Voice Call Continuity (IMS/VCC) – proprietary – All solutions require porting of an extra stack on the client To compete with all limitation and challenges in Dual-Model Mobility, ASTRI develop its dual-model mobility solution as below: – Purely client-based; carries’s infrastructure support not necessary. – Require: – deployment of PSTN Gateway from IP telephony provider – no change on the phone client software – Time required to execute handoff: – wifi to GSM : 0-30ms – GSM to wifi: 0 – 50ms International ICT Expo -”Wireless Lifestyle” Conference – 2008-04-15 Speaker: Dr. Edward Lor, Principal Researcher of the Multimedia Communication Technologies Group, Hong Kong Applied Science & Technology Research Institute (Astri)