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194
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— Cognitive networks are the latest progression of cognitive functionality into the networking stack, an effort which began with a layer one and two focus on cognitive radios, an...
194
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— The idea of the cognitive network, drawn from previous research in cognitive radios and cross-layer design, is an attempt to address issues of complexity and scalability by all...
186
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— In this paper we analyze the performance of multiple relay channels when multiple antennas are deployed only at relays. Specifically, we investigate the simple repetit...
160
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— In this paper, the performance of a downlink synchronous MC-CDMA system with joint frequency-time domain spreading over time-variant frequency-selective Rayleigh fading...
160
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— One of the main concerns in ultra wide band (UWB) impulse radio (IR) technology is the presence of severe multiple access interference (MAI). Efficient receivers should theref...