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TSP
2008
13 years 10 months ago
2008
The problem of transmit beamforming to multiple cochannel multicast groups is considered, when the channel state is known at the transmitter and from two viewpoints: minimizing tot...
IPPS
2005
IEEE
14 years 3 months ago
2005
IEEE
We have identified a fundamental operator in wireless networks that we named the local leader election in which the goal is to select a node in a spatially close neighborhood. We ...
MM
2010
ACM
13 years 10 months ago
2010
ACM
Quality control and resource optimization are challenging problems in peer-assisted video streaming systems, due to their large scales and unreliable peer behavior. Such systems a...
ICMCS
2005
IEEE
14 years 3 months ago
2005
IEEE
MPEG-4 FGS (Fine Granularity Scalability) has received tremendous attentions because it has ability to adapt to the network bandwidth variation. In this paper, we present a novel ...
NOMS
2000
IEEE
14 years 2 months ago
2000
IEEE
Simple Integrated Media Access (SIMA) is a differentiated service scheme based on drop preference bits in every packet. The basic idea of the SIMA is to maximize the exploitation ...