Statistical spectral analysis: a nonprobabilistic theory
Statistical spectral analysis: a nonprobabilistic theory
The invisible future
ECCV '98 Proceedings of the 5th European Conference on Computer Vision-Volume II - Volume II
A Survey of Context-Aware Mobile Computing Research
A Survey of Context-Aware Mobile Computing Research
EURASIP Journal on Applied Signal Processing
Cyclo-period estimation for discrete-time cyclo-stationary signals
IEEE Transactions on Signal Processing
Statistical tests for presence of cyclostationarity
IEEE Transactions on Signal Processing
A new concept for wireless reconfigurable receivers
IEEE Communications Magazine
Cognitive radio: brain-empowered wireless communications
IEEE Journal on Selected Areas in Communications
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This paper introduces the new concept of the Sensorial Radio Bubble (SRB) for Cognitive Radio equipment, typically smart terminals. The SRB is a multi-dimensional space around CR equipment, with one dimension for each sensing capability. The SRB gives communication equipment the ability to explore the radio environment in order to provide knowledge about the spatial and spectral environment, and some context awareness. By analogy to the human sensorial bubble, we assert that this could permit cognitive radio equipment to plan its future behavior in order to predict and anticipate its reaction to environment evolution. In this paper we present details of the sensors required in the Sensorial Radio Bubble. The sensors of the SRB may be classified as a function of the OSI layers. A simplified three layer model is presented for our purpose. An example of a sensor in the lower layer is spectrum hole detection, for the intermediate layers the blind standard recognition sensor is described, and finally for the higher layers a video sensor is presented.