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국내 700 MHz 대역에서 MIMO 채널 측정 파라미터를 이용한 채널 상관도 분석

Channel Correlation Analysis using MIMO Channel Measurement Parameters at Domestic 700MHz band

  • 정명원 (한국전자통신연구원 전파기술연구부) ;
  • 정영준 (한국전자통신연구원 전파기술연구부) ;
  • 백정기 (충남대학교 전파공학과)
  • 투고 : 2013.06.12
  • 심사 : 2013.08.16
  • 발행 : 2013.08.31

초록

차세대 이동통신 시스템에서는 새로운 주파수 대역에서 다중 안테나 사용이 높은 데이터 전송률과 용량을 가능하도록 만들 것이다. 본 논문에서는 국내 전파 특성 측정을 통해 도출된 채널 파라미터(경로 손실, 지연 확산, 각 확산, K-factor) 간에 상관도를 분석하였다. 측정은 DTV 방송과 혼신을 피하기 위하여 제주도에서 채널 사운더와 $4{\times}4$ 안테나로 측정하였다. 채널 파라미터 간에 상관도 분석은 유사한 환경에서 통신 시스템을 설계하는데 있어서 많은 도움을 줄 것이다.

In the next generation of mobile communication systems, high data rates and high capacity will be possible if multiple antennas are used at new frequencies. This paper presents the correlations between channel parameter path loss (PL), delay spread (DS), angular spread (AS) and K-factor established based on channel measurements. To avoid interference from Korean DTV broadcasting, we measured the channel characteristics in urban/rural/suburban areas on Jeju Island using a channel sounder and $4{\times}4$ antennas. The correlations between channel parameter show that the wireless channel characteristics can be determined and effective communication system design can be produced for use in similar environments.

키워드

참고문헌

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