Detect and avoid an ultra-wideband
Cognitive radios have been advanced as a technology for the opportunistic use of underutilized spectrum wherein secondary devices sense the presence of the primary user and use the spectrum only if it is deemed empty. Spectral cognition of this form can also be used by regulators to facilitate the d...
Published in: | IEEE Communications magazine 45, 6 (2007). |
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Format: | Article |
Language: | English |
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