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This paper deals with an efficient and energy-saving channel assignment scheme which is applicable to the Wireless Sensor Network (WSN). In actual application, there exist inevitably serious interference and conflict between nodes due to their large quantity and density in WSNs. Usually, the sensor nodes in WSNs rarely move and the their energy is also(More)
Reliable spectrum sensing is required to enable the effective use of Cognitive Radio (CR) networks. In practice, CRs not only have to cope with impulsive noises but also need to consider noise uncertainties. Small uncertainties of noise parameters are inevitable in any practical detector and the impact of these must be considered. This paper considers the(More)
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