5657 search results - page 1081 / 1132 » Micropayments for Wireless Communications |
GLOBECOM
2008
IEEE
15 years 6 months ago
2008
IEEE
— Large MIMO systems with tens of antennas in each communication terminal using full-rate non-orthogonal spacetime block codes (STBC) from Cyclic Division Algebras (CDA) can achi...
101
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GLOBECOM
2008
IEEE
15 years 6 months ago
2008
IEEE
—In this paper, we study the distributed spectrum allocation for autonomous users transmitting delay-sensitive information over a wireless multi-carrier network. Because there is...
ICC
2008
IEEE
15 years 6 months ago
2008
IEEE
— Ultra-wideband (UWB) technology is expected to provide high data rate services for future wireless personal area networks (WPANs). The WiMedia Alliance recently has launched it...
117
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ICC
2008
IEEE
15 years 6 months ago
2008
IEEE
— Rain, snow, gaseous, cloud, fog, scintillation and other atmospheric properties can have a distorting effect on signal fidelity of Ku and Ka bands, thus resulting in excessive ...
ICC
2008
IEEE
15 years 6 months ago
2008
IEEE
Abstract —Previous work demonstrated that the improvements in spectral efficiency and link reliability can be obtained in wireless relay networks employing terminals with MIMO c...