The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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Optimal Detection for NOMA Systems with Correlated Information Sources of Interactive Mobile Users

상호작용 이동통신 사용자의 상관 정보원을 가진 비직교 다중접속 시스템에서의 최적 검출

  • 정규혁 (단국대학교 소프트웨어학과)
  • Received : 2020.07.23
  • Accepted : 2020.08.15
  • Published : 2020.08.31
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Abstract

In the fifth generation (5G) mobile networks, the interactive mobile game users have increased tremendously, which induces correlated information sources (CIS). One of the promising 5G technologies is non-orthogonal multiple access (NOMA). In NOMA, the users share the channel resources, so that CIS affect each user's bit-error rate (BER) performance, which is not the case for orthogonal multiple access (OMA). In this paper, we derive the optimal receiver for NOMA with CIS, and then investigate the impact of CIS on each user's BER performance.

5G 이동통신 네트워크에서, 상호작용 이동통신 게임 사용자들이 다수 늘어나고 있고, 이러한 사용자들은 상관 정보원으로 작용한다. 비직교 다중접속 기술은 5G 이동통신에서 중요한 기술로 고려되고 있다. 비직교 다중접속에서는, 사용자들이 채널 자원을 공유하기 때문에, 상관 정보원이 각각의 사용자의 BER 성능에 영향을 주며, 이러한 현상은 직교 다중접속에는 발생하지 않는다. 본 논문에서는 상관 정보원을 가진 비직교 다중접속에 대한 최적 수신기를 유도하고 각각의 사용자의 BER 성능에 상관 정보원의 영향을 고찰한다.

Keywords

References

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