Sciweavers

1016 search results - page 85 / 204
» The Focus Problem in Mobile Learning
Sort
View
LCN
2007
IEEE
14 years 5 months ago
Overlay Bandwidth Management: Scheduling and Active Queue Management of Overlay Flows
— Peer-to-peer and mobile networks gained significant attention of both research community and industry. Applying the peer-to-peer paradigm in mobile networks lead to several pr...
Kalman Graffi, Konstantin Pussep, Sebastian Kaune,...
ICNP
2005
IEEE
14 years 4 months ago
Landmark Guided Forwarding
In this paper we focus on the problems of maintaining Ad Hoc network connectivity in the presence of node mobility whilst providing globally efficient and robust routing. The com...
Menghow Lim, Adam Chesterfield, Jon Crowcroft, Jul...
JSAC
2006
128views more  JSAC 2006»
13 years 10 months ago
Optimized Transmission for Fading Multiple-Access and Broadcast Channels With Multiple Antennas
In mobile wireless networks, dynamic allocation of resources such as transmit powers, bit-rates, and antenna beams based on the channel state information of mobile users is known t...
Mehdi Mohseni, Rui Zhang, John M. Cioffi
MASS
2010
150views Communications» more  MASS 2010»
13 years 8 months ago
A non-replication multicasting scheme in delay tolerant networks
Delay tolerant networks (DTNs) are a special type of wireless mobile networks which may lack continuous network connectivity. Multicast is an important routing function that suppor...
Jie Wu, Yunsheng Wang
CE
2008
128views more  CE 2008»
13 years 11 months ago
Beyond threaded discussion: Representational guidance in asynchronous collaborative learning environments
Although most online learning environments are predominately text based, researchers have argued that representational support for the conceptual structure of a problem would addr...
Daniel D. Suthers, Ravi K. Vatrapu, Richard Medina...