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156
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VTC
2008
IEEE
16 years 1 months ago
2008
IEEE
— We propose a semi-blind adaptive beamforming approach for wireless systems that employ high-throughput quadrature amplitude modulation signalling schemes. A minimum number of t...
187
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VTC
2008
IEEE
16 years 1 months ago
2008
IEEE
Abstract—The spatial distribution of nodes in wireless networks has important impact on network performance properties, such as capacity and connectivity. Although random sample ...
180
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GLOBECOM
2007
IEEE
16 years 1 months ago
2007
IEEE
—We consider a distributed wireless network where amplify-and-forward relays assist the communication between multiple source/destination pairs. To provide a global phase referen...
191
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GLOBECOM
2007
IEEE
16 years 1 months ago
2007
IEEE
— Adaptive transceivers play an important role in wireless communications and the design of MIMO systems. Therefore models that enable simulation of dynamic and time varying chan...
179
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GLOBECOM
2007
IEEE
16 years 1 months ago
2007
IEEE
This paper discusses how the cognitive radio concept can be extended to allow the system not only to manage shared resources such as spectrum, but to use this knowledge to optimize...