도심 지역은 무선 채널 환경 중 대표적인 이동 통신 사용 지역으로서, 건물의 밀집도가 다양하게 분포하는 형태를 보인다. 건물 밀집도의 차이는 신호전달 과정에서 상당한 영향을 미칠 것으로 예상되어, 건물 밀집도의 정도가 채널 특성 분석에 있어서 영향을 미칠 가능성을 고려하여 전파 특성을 분석할 필요성이 있다. 측정은 제주도 인근 도심 지역에서 실시하였으며, 채널 사운더와 4×4 안테나로 채널 특성을 측정하였다. 측정된 데이터를 바탕으로 도심 지역에서 건물 밀집도를 고려한 채널 특성을 도출하였다. 본 논문은 700 MHz 대역에서 도심 지역 건물 밀집도를 고려한 MIMO 시스템의 전파 채널 측정을 통해 측정 데이터를 분석하고, 채널 특성을 도출하였다.
KSP Keywords
700 MHz
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