Recently, network researchers have taken a great interest in quality of experience (QoE) and in the new aspects it brings in the study of the link between network conditions and user satisfaction. Also, the realization that the information of users’ satisfaction can be directly applied in the network management in a real-time manner has resulted in a fair amount of publications. Although the sy...

Mobile Data Mining focuses on finding useful knowledge out from raw data from mobile users. In this paper, parallel pattern is proposed, which describes the movement trend patterns of mobile users. Parallel pattern aims to find out the trend of movement based on physical location as detected by the wireless access point. The performance testing of this paper shows that as the number of differen...

UMTS (Universal Mobile Telecommunications System) is the most expanding mobile technology nowadays. Evolution of networks proceeds with improvement of the core network and with integration of alternative wireless access networks. To improve present communication systems, an UMTS standard compliant simulation environment is essential. This paper introduces an UTRAN (UMTS Terrestrial Radio Access...

Constrained devices often have a need for access to a network for their intended services. They have some of the same security requirements for network access authentication as other network devices but the devices and environments that they operate within are quite different. These resource limited devices and the associated network environment pose additional challenges for adopting existing ...

Low power over wireless personal area networks (LoWPAN), in particular wireless sensor networks, represent an emerging technology with high potential to be employed in critical situations like security surveillance, battlefields, smart-grids, and in e-health applications. The support of security services in LoWPAN is considered a challenge. First, this type of networks is usually deployed in un...

This paper investigates the performance of a multihop radio access network. In our testbed, nodes communicate to one access point using IEEE 802.11b and AODV routing. We measure the average packet delay and delivery ratio, if the node movement is emulated employing the random waypoint and random direction model, respectively. We find that random waypoint mobility yields up to 100% better result...