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179
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CORR
2010
Springer
15 years 7 months ago
2010
Springer
Abstract--In cognitive radio (CR) networks with multipleinput multiple-output (MIMO) links, secondary users (SUs) can exploit "spectrum holes" in the space domain to acce...
193
Voted
SIGIR
2008
ACM
15 years 7 months ago
2008
ACM
Online communities have become popular for publishing and searching content, as well as for finding and connecting to other users. User-generated content includes, for example, pe...
195
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TIT
2008
15 years 7 months ago
2008
We address the well-known problem of determining the capacity of constrained coding systems. While the onedimensional case is well understood to the extent that there are technique...
194
Voted
SIN
2010
ACM
15 years 5 months ago
2010
ACM
In recent years, social networking sites (SNSs) gained high popularity among Internet users as they combine the best of both worlds: befriending people outside real life situation...
218
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GLOBECOM
2008
IEEE
16 years 1 months ago
2008
IEEE
Given a wireless network where each link undergoes small-scale (Rayleigh) fading, we consider the problem of routing a message from a source node to a target node while minimizing...