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Congestion in today's mobile networks is mainly managed by end to end congestion control algorithms such as TCP. However, in spite of its many merits, TCP does not cope well with the high variability inherent to radio links and customer experience may sometimes be poor as TCP reveals unable to rapidly grasp such a fluctuating bandwidth. To remedy this problem, we introduce in this paper a new proposal...
Smart phones are ubiquitous nowadays and have taken over the bulk data transfers in mobile networks. The next generation phones are even more powerful to handle voice, video and data catering real time multimedia experience. Unfortunately, the increase in service provider capacity has not kept up with the user demand for more bandwidth. It is becoming very expensive for service providers to cater...
The rapid evolution of telecoms industry is accompanied by a huge increase of energy consumption of mobile networks, which forces the operators to exploit the potential of new techniques to save energy. In this paper, we propose a novel deployment strategy which is able to adapt itself to the spatial variation of the traffic by enhancing the cell radius in the low traffic areas, while the target quality...
Conceivably, the ubiquity and ease-of-access of future wireless networks will encourage users to share the content they own and look for contents that match their interests. Peer-to-peer systems can be used in conjunction with cellular networks to download (e.g., from the Internet) the data items of interest. However, relying exclusively upon them, novel applications such as mobile multimedia are...
Existing base station (BS) assignment methods in cellular networks are mainly driven by radio conditions since it is assumed that the limiting factor is the air interface. This assumption has been proven to be very reasonable when circuit voice was the dominant service and backhaul capacity provisioning in BS accounting for the peak rate of the radio link was an economically feasible option. However,...
The improved processing power and battery life of mobile devices, as well as the near ubiquitous coverage of wireless data communication networks allow mobile users to use information services in a similar way to desktop users. People not only demand access to existing Internet services from their mobile devices, but also to have available new services specifically designed for mobile environments...
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