369 search results - page 5 / 74 » A Distributed Opportunistic Access Scheme for OFDMA Systems |
103
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TWC
2010
14 years 4 months ago
2010
In this paper we propose a Dynamic Spectrum Access scheme which allows the users to opportunistically and efficiently access the channels available for communications. It addresses...
WCNC
2010
IEEE
15 years 1 months ago
2010
IEEE
—Inter-cell interference (ICI) is always a big obstacle to attain wide area coverage and high spectral efficiency in cellular systems. In this work we make a study of two well-kn...
106
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TCOM
2010
14 years 4 months ago
2010
Fair weights have been implemented to maintain fairness in recent resource allocation schemes. However, designing fair weights for multiservice wireless networks is not trivial bec...
JSAC
2008
14 years 9 months ago
2008
Abstract--In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of channe...
108
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ICPPW
2009
IEEE
15 years 4 months ago
2009
IEEE
—In this paper, we consider joint optimization of end-to-end data transmission and resource allocation for Wireless-Infrastructured Distributed Cellular Networks (WIDCNs), where ...