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비동기 무선 인지 네트워크에서 스펙트럼 감지 성능 분석
홍승근(Seung Geun Hong),이재홍(Jae Hong Lee) 대한전자공학회 2015 대한전자공학회 학술대회 Vol.2015 No.6
In this paper, we analyze performance of spectrum sensing in unsynchronous cognitive radio network. When secondary network is unsynchronous with primary network, sensing probability decreases because of a synch error, miss detection probability and false alarm probability is derived by using central limit theorem. In simulation results, it is shown that in the unsynchronous network, false alarm probability increases very high for target miss detection probability compare to that in the synchronous network.
동기화 에러가 있는 스펙트럼 감지 무선 인지 네트워크에서 충돌 확률 분석
홍승근(Seung Geun Hong),이재홍(Jae Hong Lee) 대한전자공학회 2016 대한전자공학회 학술대회 Vol.2016 No.6
In this paper, we analyze collision probability between the primary user and secondary users in spectrum sensing cognitive radio where multiple secondary users are exist. We use central limit theorem to analyze collision probability. Simulation results show that there is little gap between simulation results and analytical results caused by central limit theorem.