Abstract
본 논문에서는 인접채널에서 다른 통신 시스템이 공존할 수 있는 방안으로 공유 파라미터를 분석하였다. 이기종시스템에서 간섭 송신기의 다양한 밀도와 전송출력에 따른 성능 결과를 분석하였다. 두 시스템간의 간섭밀도와 허용 최대 송신출력의 관계를 분석하기 위해 간섭 송신기가 WiBro이고 WLAN이 희생 수신기인 경우를 고려하였다. 간섭원 밀도가 50개/<TEX>$km^2$</TEX>이고, WLAN, WiBro의 중심주파수가 각각 185, 201MHz 인 경우 요구되는 보호대역은 4MHz 이었다. 분석된 상호 공존 결과는 향후 동일 주파수 환경에서 다양한 통신 프로토콜을 이용하는 무선기기에 대한 상호 공존 조건을 마련하는 기술개발에 활용할 수 있을 것이다. In this paper, we analyze the sharing parameters in order to co-use of different communication systems in adjacent channels. We analyze the performance result according to various density of interfering transmitter and transmitter output in hetero systems. In order to get the relationship with between density of interfering transmitter and transmitter output, we consider the case that WiBro is an interfering transmitter an WLAN is a victim receiver. When the interferer density is 50/<TEX>$km^2$</TEX> and the center frequency of WLAN and WiBro are 185 and 201MHz respectively, required guard band is 4MHz. Analyzed coexistence results may be widely applied into the technique developed to get the coexisting condition for wireless devices using many communication protocols in same frequency.
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