The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Performance Analysis of Multiple-Antenna Receiver in Cloud Transmission System for Building Single Frequency Networks

단일주파수방송망 구축을 위한 클라우드 전송 시스템에서의 다중 안테나 수신 성능 분석

  • Gwak, Gye Seok (Chugnam National University Department of Electrical and Computer Engineering) ;
  • Kim, Jaekil (Chugnam National University Department of Electrical and Computer Engineering) ;
  • Ahn, Jae Min (Chugnam National University Department of Electrical and Computer Engineering)
  • Received : 2014.02.11
  • Accepted : 2014.08.08
  • Published : 2014.08.31
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Abstract

In this paper, we propose a study for the next generation terrestrial broadcasting technology based on SFN(Single Frequency Networks), which applies multiple receiving antenna to improve receiving performance of cloud transmission system. By applying multiple receiving antenna, the received broadcast signals at the boundary of different SFN broadcasting area could be modelled by distributed MIMO system. Due to the interference cancellation effect of the MIMO detector, the proposed scheme could suppress the adjacent area interference more efficiently compared to the single receiving antenna case. Simulation results show that receiving performance can be improved dramatically in overlapping area of SFN by applying multiple antenna receivers in cloud transmission system.

본 논문은 클라우드 전송 시스템의 수신 성능을 향상시키기 위해 다중 수신 안테나를 적용하는 단일주파수방송망 기반의 차세대 지상파 방송 기술에 대하여 연구하였다. 다중 수신 안테나를 채용함으로써 단일주파수방송망 경계지역에서의 방송 신호 수신이 분산 MIMO(Multi Input Multi Output) 시스템으로 모델링을 하였고, MIMO 수신기의 간섭 제거 효과로 단일 안테나 수신기를 적용하는 것보다 인접 방송 권역 간섭을 감소시킬 수 있다. 모의실험을 통해 클라우드 전송 시스템에 다중 안테나 수신기를 적용하면 단일주파수방송망 경계지역에서의 수신 성능 개선이 이루어짐을 확인하였다.

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