A Low-Complexity Wideband Spectrum-Sensing Processor with Adaptive Detection Threshold and Sensing Time
نویسنده
چکیده
Challenges: Algorithm Development Non-ideal in-band filtering and strong adjacent-band primary users introduce in-band interfering power Increases estimation error Increases probability of false-alarm Decreases probability of false-alarm Chip Implementation Wideband sensing chip requires high sampling rate Power efficiency issue Large dynamic range signal requires large WL Area efficiency issue Calculation of sensing time and decision threshold introduce processing time overhead Sensing time efficiency issue
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