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Spectrum sensing is one of the most important parts of the cognitive radio system. In order to detect the primary user signal, the robust sensing method is required. In this paper, we propose a combination of the energy detection method and the autocorrelation-based detection method with a cascaded architecture to improve the probability of detection. Energy detection involves lower complexity and...
Bit width is a limitation of hardware implementation in baseband signal processing. It influences bit error rate (BER) performance and hardware complexity. This paper investigates BER performance of various bit width. We analyze bit width errors that come from quantization errors and clipping errors. As a result, it is shown that increasing bit width improves BER performance. At some point, increasing...
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