본 논문에서는 3~10 GHz대 통신용 초광대역 시스템이 3.5 GHz대 고정(fixed) WiMAX(Worldwide Interoperability for Microwave Access)에 미치는 간섭 영향에 대해 고찰하였고, WiMAX에 미치는 잠정적인 간섭을 줄이기 위해 초광대역 시스템의 송신 전력을 제어하는 방법을 제안하였으며, 몬테카를로 시스템 레벨 시뮬레이션을 통해 간섭 저감 효과를 분석하였다. 간섭 영향은 단위 면적 1 km2 내에 존재하는 다수의 초광대역 시스템과 단일 WiMAX 수신기를 가정하였을 때, 초광대역 시스템의 간섭에 의한 WiMAX의 outage 확률로 평가하였으며, 결과의 일례로써 초광대역 시스템의 밀도가 20 devices/km2이고 송신 전력 제어 동적 출력 범위가 30 dB일 때, 송신 전력 제어 방법을 적용한 경우 간섭 저감 방법을 적용하지 않는 경우보다 초광대역 시스템의 간섭에 의한 WiMAX의 outage 확률이 42 % 감소되는 효과를 보였다. 결론적으로 제안된 송신 전력 제어 방법은 초광대역 시스템이 WiMAX에 미치는 간섭 영향을 저감시킬 수 있음을 보였다.
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