2880 search results - page 166 / 576 » Using Channels for Multimedia Communication |
140
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GLOBECOM
2010
IEEE
14 years 11 months ago
2010
IEEE
Abstract-- A new approach to distributed cooperative beamforming in two-way half-duplex relay networks with frequency selective channels is proposed. In our scheme, two transceiver...
111
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ICC
2008
IEEE
15 years 9 months ago
2008
IEEE
—Cognitive radios have the ability to sense their RF environment and adapt their transmission parameters to perform optimally in any situation. Part of this involves selecting th...
118
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WOWMOM
2006
ACM
15 years 8 months ago
2006
ACM
Recently there is an increasing interest in using directional antennas and multi-channel for Ad-hoc wireless networks. Directional antennas provide higher capacity and less multi-...
107
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ICC
2007
IEEE
15 years 8 months ago
2007
IEEE
Abstract— In ultra-wideband impulse radio (UWB-IR) systems, multipath-delayed received pulses may overlap if two consecutive multipaths arrive within less than the pulse duration...
116
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ICC
2007
IEEE
15 years 8 months ago
2007
IEEE
—In this paper, we analyze the impact of imperfect channel quality feedback on the scheduling algorithms that exploit multi-user diversity. We consider a time-slotted MIMO broadc...