Security is a crucial factor in the provision of the network services, in both wireless and wired communications. Day by day, the number of subscribers is increased by an exponent...
Nicolas Sklavos, Spyros G. Denazis, Odysseas G. Ko...
This paper deals with the adaptation problem raised by the fact that H.264/AVC standard is rapidly being adopted by content and service providers while at the user side MPEG-2 equ...
We investigate the performance of the IEEE 802.11e while emphasizing on the end-to-end delay performance. In our MAC delay analysis, we are based on elementary conditional probabi...
Ioannis Papapanagiotou, John S. Vardakas, Georgios...
— The error prone nature of wireless links often necessitates the use of a link layer protocol to ensure acceptable application performance. While traditional link layers assume ...
The purpose of this work is to experimentally evaluate the quality of voice and data services over community-based WLAN access networks. We use P2PWNC, the Wireless LAN roaming ar...
Pantelis A. Frangoudis, Vasileios P. Kemerlis, Dim...
Multi-hop wireless networks appear as a promising means for providing broadband Internet access in rural and mountain regions. Reliability and QoS are among others two important a...
Paolo Bucciol, Luca Leschiutta, Nikos Fragoulis, F...
Usually unequal error protection schemes mostly focus on protecting video data parameters with unequal rates or levels depending on their sensitivities to errors. This paper first...
Reputation System provides a way to maintain trust through social control by utilizing feedbacks about the service providers’ past behaviors. Conventional Memory-based Reputatio...
The recent advances in miniaturization and the creation of low-power circuits, combined with small-sized batteries have made the development of wireless sensor networks a working ...