Abstract

본 논문에서는 이기종 시스템이 동일 주파수 대역을 공유하는 경우의 상호 공존성 분석을 위한 파라미터로 단말간 이격거리에 따른 간섭 확률 분석을 수행하였다. 각각의 시스템들간의 간섭 영향을 고려하기 위해, 간섭시스템이 WiBro, 희생시스템이 WLAN인 경우와 WiBro가 간섭을 받는 환경에서의 간섭확률을 분석하였다. 간섭 송신기가 WiBro인 경우와 WLAN인 경우 그의 출력 전력 레벨을 각각 25dBm과 23dBm 으로 설정하여 이격거리에 따른 간섭확률을 분석하였다. 이를 통해 향후 실제 필드에서 채널 공유를 위한 기준 데이터에 사용할 수 있을 것이다. In this paper, we analyze the interference probability according to distance between mobile stations as a parameter which is be used for analysis for co-existing in co-channel of different systems. In order to consider interfering between each systems, we analyze two cases. First, WiBro is an interfering transmitter and WLAN is a victim receiver. Second, WLAN is an interfering transmitter and WiBro is a victim receiver. When interfering transmitter is WiBro and WLAN, interference probability according to distance between systems is analyzed by setting transmit power of 25 and 23 dBm, respectively. These simulation results can be applied into criteria data for channel co-existing issue in real field.

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