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간섭정렬 기술동향 및 셀룰라 시스템 응용

  • Published : 2014.07.31
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Abstract

본고에서는 최근 학계 및 산업계에서 활발히 연구되고 있는 간섭정렬 기술동향에 대해 소개한다. 특히 Signal Space 간섭정렬, Signal Scale 간섭정렬, Ergodic 간섭정렬의 기본 개념과 장단점 및 응용분야를 정리하였다. 또한 셀룰라 무선망에서의 간섭정렬에 대해 소개한다. 크게 단일안테나 환경과 다중안테나 환경에서의 간섭정렬로 나뉠 수 있으며, 각각의 경우에 대해 기술동향 및 주요 연구결과를 정리하였다. 마지막으로 최근 Reverse TDD, 즉 상향링크와 하향링크가 공존하는 환경에서의 간섭정렬을 통해 다중안테나 셀룰라 무선망의 자유도를 획기적으로 개선 할 수 있는 연구결과를 소개한다.

Keywords

References

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