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Found 2 essays matching the above criteria.

1. 1. Energy Consumption of 3G Transmissions for Instant Messaging on Mobile Devices

   University essay from Programvara och system; Tekniska högskolan

   Author : Simon Andersson; [2013]
   Keywords : energy consumption; 3G; mobile; instant messaging;

   Abstract : A recent surge in the usage of instant messaging (IM) applications on mobile devices has brought the energy efficiency of those applications into the light. We are entering an era where IM applications are changing the message communication on mobile devices, beginning to overtake SMS messages and even phone calls in some cases. READ MORE

3. 2. A Presence Server for Context-aware Applications

   University essay from KTH/Kommunikationssystem, CoS

   Author : Mohammad Zarifi Eslami; [2007]
   Keywords : Context; Context-aware; SIP; SIP-SIMPLE; XML; PIDF; SER; Presence Agent module; Subscribe message; Publish message; Notify message;

   Abstract : This master’s thesis project “A Presence Server for Context-aware Applications” was carried out at KTH Center for Wireless Systems (Wireless@KTH). The overall goal of this thesis project is to implement a context aware infrastructure to serve as middleware for different kinds of context aware applications, such as a context-aware printing application, location based notifier application, etc. READ MORE