Journal of the Institute of Electronics and Information Engineers (전자공학회논문지)

The Institute of Electronics and Information Engineers (대한전자공학회)
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False Alarm Probability of the Spectrum Sensing Scheme Using the Maximum of Power Spectrum

전력 스펙트럼의 최대값을 사용한 스펙트럼 감지 방식의 오경보 확률

  • Lim, Chang Heon (Dept. of Electronic Engineering, Pukyong National University)
  • 임창헌 (부경대학교 전자공학과)
  • Received : 2013.10.22
  • Published : 2014.01.25
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Abstract

Recently, a lot of research efforts has been directed toward spectrum sensing techniques exploiting the some characteristics of power spectrum. Among them, a sensing technique employing the maximum of power spectrum as a test statistic has appeared in the literature and its false alarm probability was also derived under the assumption that the test statistic follows the Gaussian distribution. This paper provides an exact form of the false alarm probability without using the assumption and compares it with the previous work.

최근 전력 스펙트럼의 형태적 특징을 사용하여 스펙트럼 감지를 수행하는 방식에 대한 연구가 활발하게 진행 중이다. 그 중에서 수신 신호의 전력 스펙트럼 최대값을 시험 통계량으로 사용하는 방안이 제시된 바가 있으며, 이때 시험 통계량을 가우시안 분포로 근사화하고, 해당 방식의 오경보 확률을 나타낸 바 있다. 본 논문에서는 가우시안이라는 가정을 사용하지 않는 정확한 오경보 확률을 제시하고, 이전 분석 결과와 비교하고자 한다.

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