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132
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GLOBECOM
2008
IEEE
15 years 11 months ago
2008
IEEE
—Research in cognitive radios has renewed interest in tools, such as spectrum estimation and modulation identification, to characterize the radio frequency (RF) environment. The...
148
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GLOBECOM
2008
IEEE
15 years 11 months ago
2008
IEEE
—Using CDMA technology, one has to contend with interference in frequency-selective channels caused by multipath propagation and fading. Transmitter-based methods such as Zero Fo...
165
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IAT
2008
IEEE
15 years 11 months ago
2008
IEEE
In this paper we present how to use the Agent MOdeling LAnguage (AMOLA) to define agent interaction protocols and how to integrate these in an agent model. AMOLA provides the synt...
140
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ICASSP
2008
IEEE
15 years 11 months ago
2008
IEEE
The present paper deals with dynamic resource management based on quantized channel state information (CSI) for multi-carrier cognitive radio networks comprising primary and secon...
131
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ICASSP
2008
IEEE
15 years 11 months ago
2008
IEEE
This paper describes an accent identification system for Portuguese, that explores different type of properties: acoustic, phonotactic and prosodic. The system is designed to be ...