By Hossam Afifi; Djamal Zeghlache
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Additional info for Applications and services in wireless networks
Using this API a QoS management application can be developed that is able to configure a heterogenous network via high-level configuration commands and abstract flow descriptions. A mobile user might visit several access networks managed by different ISPs, but he needs to get a certain service wherever he is connected. Since the user has negotiated a Service Level Specification (SLS) with his home-ISP only, this SLS has to be transformed and transmitted to the foreign networks the mobile user visits.
4 Shared content feature This feature enables a user or an operator to store arbitrary content, including pictures, music and other multimedia content, in his own storage area to share with others. Access to this space is controlled by access lists which are provided by the owner of the storage space. 5. 323 for the IM and Presence service. Besides giving a brief description of the protocol extensions for providing these services, the paper has also discussed differences between the transport and security mechanisms adopted by the protocols.
Chapter 6 The effect of radio cell size in WmATM-based 3G mobile systems Róbert Schulcz, Sándor Szabó, Sándor Imre and László Pap Dept of Telecommunications, Mobile Communications Laboratory, Budapest University of Technology and Economics, Hungary 1. Introduction The increasing demand for mobile telecommunication and mobile computing forces the wireless service providers to increase the bandwidth offered for mobile users: the demand for accessing the Internet with laptops via the radio channel while the user is moving has become significant.
Applications and services in wireless networks by Hossam Afifi; Djamal Zeghlache