J. Brendel, S. Riess, S. Schroeter, R. Weigel, G. Fischer
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Signal detection and cooperative sensing with sensor nodes with limited dynamic
The paper investigates the performance of the energy detector in fading environments under the constraint, that each sensor has only a limited dynamic range. First, the effects which limit the dynamic of a sensor node are discussed before the influence on the energy detector is analyzed. Simulations are presented how cooperative spectrum sensing affects the detection probability and it is shown that a sensing network with limited dynamic can gain much more from cooperation compared to a sensor network with ideal sensor nodes.
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