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WCDMA radio access networks are dimensioned using traffic models containing traffic characteristics for a number of services offered by the operators and their networks today. Recent trends have seen a new class of traffic emerging, driven by wireless sensor network applications and machine-to-machine communication. This communication between ldquothingsrdquo has traffic characteristics very different...
Wireless sensor networking research has been mainly focused on internal wireless sensor network issues such as MAC and routing protocols, energy saving, HW design and to some extent on the architecture of gateways that connect a wireless sensor network with the rest of the world. Wireless sensor networks have been seen as dedicated to one task by one owner. On the other hand, our research is focused...
In this paper a mobile system designed for continuous health monitoring of individuals is presented. The system is self configurable, supports multiple simultaneous measurements and can be easily adapted to suit specific circumstances and requirements of each patient. The architecture of the system is described. Experience gained during a prototype implementation is presented as well. A particular...
In this letter, a problem related to the behavior of WLAN 802.11 b network cards when working in the ad hoc mode is described. This behavior was noticed during experimental evaluation of an ad hoc network that was using the AODV (ad hoc On-demand Distance Vector) routing protocol. The observed problem affects the neighbor detection algorithm of the AODV routing protocol and has a deteriorating impact...
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