580 search results - page 76 / 116 » Delay Spread Estimation for Wireless Communication Systems |
GLOBECOM
2006
IEEE
14 years 2 months ago
2006
IEEE
— We study coding and modulation rate adaptation problem for HARQ systems with partially observable state from cross-layer viewpoint. The rate of convolutionally coded MQAM is ad...
NOSSDAV
2009
Springer
14 years 3 months ago
2009
Springer
In this paper, we propose a simple and fully distributed mechanism for constructing and maintaining the overlay topology in mesh-based P2P-TV systems. Our algorithm optimizes the ...
SIGMETRICS
2010
ACM
14 years 1 months ago
2010
ACM
Dynamic Spectrum Access systems exploit temporarily available spectrum (‘white spaces’) and can spread transmissions over a number of non-contiguous sub-channels. Such methods...
PERCOM
2008
ACM
14 years 8 months ago
2008
ACM
Providing on-demand video streaming services to large numbers of nodes in mobile wireless networks is a challenging task. We propose MOVi (Mobile Opportunistic Video-on-demand), a...
MOBIHOC
2008
ACM
14 years 8 months ago
2008
ACM
For long, node cooperation has been exploited as a data relaying mechanism. However, the wireless channel allows for much richer interaction between nodes. One such scenario is in...