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Body Area Networks (BANs), targeting everywhere anytime health monitoring, operate in license-exempt frequency bands. They require a cross layer design that jointly considers the requirements of (1) access delay to the medium and (2) packet delivery ratio (PDR). In this paper, we experimentally evaluate the PDR of a BAN under static and dynamic scheduling schemes. Investigations show that static multi-hop...
The provision of IP Multimedia Subsystem (IMS) introduces important advantages for users of 3G WLAN networks. However, a multi pass authentication procedure needs to be performed before accessing the IMS, resulting in added overhead and quality of service (QoS) degradation, which deters service providers from adopting the IMS model. The problem is further compounded when the user moves from one Wireless...
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