Sciweavers

ICC
2007
IEEE
149views Communications» more  ICC 2007»
13 years 10 months ago
Cluster-Based Cooperative Spectrum Sensing in Cognitive Radio Systems
— In cognitive radio systems, secondary users can be coordinated to perform cooperative spectrum sensing so as to detect the primary user more accurately. However, when the sensi...
Chunhua Sun, Wei Zhang, Khaled Ben Letaief
ICC
2009
IEEE
123views Communications» more  ICC 2009»
13 years 10 months ago
Blind Spectrum Sensing for Cognitive Radio Based on Signal Space Dimension Estimation
Abstract—Based on information theoretic tools, a new spectrum sensing method is proposed in this paper to detect vacant sub-bands in the radio spectrum1 . Specifically, based on...
Bassem Zayen, Aawatif Hayar, Kimmo Kansanen