199 search results - page 24 / 40 » Perturbation-Based Distributed Beamforming for Wireless Rela... |
JSAC
2011
14 years 4 months ago
2011
—Driven by both safety concerns and commercial interests, one of the key services offered by vehicular networks is popular content distribution (PCD). The fundamental challenges ...
CORR
2007
Springer
14 years 9 months ago
2007
Springer
— In this paper, differential unitary space-time coding and non-coherent space-time coding for the training based approach of Kim and Tarokh are addressed. For this approach, nec...
115
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TWC
2008
14 years 9 months ago
2008
This paper derives the outage probability and transmission capacity of ad hoc wireless networks with nodes employing multiple antenna diversity techniques, for a general class of ...
92
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PIMRC
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract-- Due to the limited energy supplies of nodes in wireless networks, achieving energy efficiency is crucial for extending the lifetime of these networks. Thus, we study eff...
MOBIHOC
2009
ACM
15 years 10 months ago
2009
ACM
Routing is one of the most challenging open problems in disruption-tolerant networks (DTNs) because of the shortlived wireless connectivity environment. To deal with this issue, r...