2007 search results - page 314 / 402 » SPECTRUM |
CORR
2007
Springer
14 years 9 months ago
2007
Springer
—For a stationary additive Gaussian-noise channel with a rational noise power spectrum of a finite-order L, we derive two new results for the feedback capacity under an average ...
CORR
2007
Springer
14 years 9 months ago
2007
Springer
—Opportunistic secondary spectrum usage has the potential to dramatically increase spectral efficiency and rates of a network of secondary cognitive users. In this work we consi...
CORR
2007
Springer
14 years 9 months ago
2007
Springer
— One source of disturbance in a pulsed T-ray signal is attributed to ambient water vapor. Water molecules in the gas phase selectively absorb T-rays at discrete frequencies corr...
CORR
2007
Springer
14 years 9 months ago
2007
Springer
We consider a multi-channel opportunistic communication system where the states of these channels evolve as independent and statistically identical Markov chains (the Gilbert-Elli...
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JSAC
2008
14 years 9 months ago
2008
In-situ measurements of the scattering function are used to drive a channel simulator developed in the context of underwater acoustic telemetry. Two operation modes of the simulato...