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Spectral and Energy Efficient Spatially Modulated Non-Orthogonal Multiple Access (NOMA) For 5G
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5G를 위한 주파수 및 에너지 효율적인 공간 변조 비-직교 다중 접속 기법

논문 기본 정보

Type
Academic journal
Author
Mohammad Irfan (국립금오공과대학교) Jin Woo Kim (국립금오공과대학교) Soo Young Shin (국립금오공과대학교)
Journal
Korea Institute Of Communication Sciences The Journal of Korean Institute of Communications and Information Sciences Vol.40 No.8 KCI Accredited Journals SCOPUS
Published
2015.8
Pages
1,507 - 1,514 (8page)

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Spectral and Energy Efficient Spatially Modulated Non-Orthogonal Multiple Access (NOMA) For 5G
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Non-orthogonal multiple access (NOMA) is a promising candidate for 5G networks. NOMA achieves superior spectral efficiency than conventional orthogonal multiple access (OMA), as in NOMA multiple users uses the same time and frequency resources. Multiple-input-multiple-output (MIMO) is one another promising technique that can enhance system performance. In this paper we present a spectral and energy efficient multiple antenna based NOMA scheme, known as spatially modulated NOMA. In the proposed scheme the cell edge users are multiplexed in spatial domain, which means the information to cell edge users is conveyed using the transmit antenna indices. In NOMA the performance of cell edge users are deeply effected as it treats signals of others as noise. The proposed scheme achieves superior spectral efficiency than the conventional NOMA. The number of decoding steps involved in decoding NOMA signal reduces by one as cell edge user is multiplexed in spatial domain. The proposed scheme is more energy efficient as compare to conventional NOMA. All of the three gains high spectral, energy efficiency and one step reduction in decoding comes at cost of multiple transmit antennas at base station.
#Non-Orthogonal Multiple Access (NOMA) #Spectral efficiency #Spatial Modulation (SM) #MIMO #Energy efficiency #Bit Error Rate (BER)

Contents

요약
ABSTRACT
Ⅰ. 서론
Ⅱ. 관련연구
Ⅲ. Spatially Modulated NOMA
Ⅳ. 모의실험 결과
Ⅴ. 결론
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