What is a Spectrum Hole and What Does it Take to Recognize One?

ldquoSpectrum holesrdquo represent the potential opportunities for noninterfering (safe) use of spectrum and can be considered as multidimensional regions within frequency, time, and space. The main challenge for secondary radio systems is to be able to robustly sense when they are within such a spe...

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Veröffentlicht in:	Proceedings of the IEEE 2009-05, Vol.97 (5), p.824-848
Hauptverfasser:	Tandra, Rahul, Mishra, Shridhar Mubaraq, Sahai, Anant
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Area measurement Assisted detection Calibration cognitive radio cooperation Detection Detectors dynamic spectrum Fading Frequency Interference Mathematical models Multidimensional systems robust sensing metrics Robustness Safety spectrum holes spectrum sensing Strategy Uncertainty
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