Sciweavers

MOBIMEDIA
2007
14 years 1 months ago
AAA and mobile networks: security aspects and architectural efficiency
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...
MOBIMEDIA
2007
14 years 1 months ago
Low-complexity video content adaptation for legacy user equipment
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...
Sandro Moiron, Sérgio M. M. de Faria, Pedro...
MOBIMEDIA
2007
14 years 1 months ago
Performance evaluation of IEEE 802.11e based on ON-OFF traffic model
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...
MOBIMEDIA
2007
14 years 1 months ago
Adaptive link layer protocols for shared wireless links
— 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 ...
George Xylomenos, Michael Makidis
MOBIMEDIA
2007
14 years 1 months ago
Experimental evaluation of community-based WLAN voice and data services
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...
MOBIMEDIA
2007
14 years 1 months ago
IMS based IPTV services: architecture and implementation
Eugen Mikoczy, Dmitry Sivchenko, Bangnan Xu, Vesel...
MOBIMEDIA
2007
14 years 1 months ago
Providing reliability and QoS in multi-hop wireless networks: the ADHOCSYS approach
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...
MOBIMEDIA
2007
14 years 1 months ago
Unequal error protection based on objective video evaluation model
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...
Wen Ji, Yiqiang Chen, Min Chen, Yi Kang
MOBIMEDIA
2007
14 years 1 months ago
Bayesian memory-based reputation system
Reputation System provides a way to maintain trust through social control by utilizing feedbacks about the service providers’ past behaviors. Conventional Memory-based Reputatio...
Weiwei Yuan, Donghai Guan, Sungyoung Lee, Young-Ko...
MOBIMEDIA
2007
14 years 1 months ago
Cooperative caching in wireless multimedia sensor networks
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 ...
Nikos Dimokas, Dimitrios Katsaros, Yannis Manolopo...