Information and Communications Magazine (정보와 통신)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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5G 이동통신을 위한 무선접속 기술

  • Published : 2014.11.30
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Abstract

본 고에서는 차세대 5G 이동통신 무선접속 후보 기술에 대해 살펴본다. 4G 이동통신 기술은 OFDM 전송 기술의 적용으로 인해 데이터 전송률 향상 및 서비스 다양화 등의 측면에서 큰 성능 향상을 이루었다. 하지만 4G에 비해서도 월등히 향상된 성능을 추구하는 5G 이동통신 구현을 위해서는 근본적으로 주파수 효율성 향상이 필요하다. 본 논문에서는 주파수 효율성 향상을 위한 연구 중 하나로서 새로운 무선접속(Air Interface) 기술에 대한 최근 연구 동향을 살펴보고 후보 기술들이 OFDM 기술을 비롯한 다른 방식들에 대해 갖는 장단점을 분석한다.

Keywords

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