지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국정보처리학회 JIPS(Journal of Information Processing Systems) JIPS(Journal of Information Processing Systems) 제17권 제5호
- 발행연도
- 2021.10
- 수록면
- 933 - 946 (14page)
- DOI
- 10.3745/JIPS.03.0166
이용수
초록· 키워드
오류제보하기
In the non-orthogonal multiple access (NOMA) system, multiple user signals on the single carrier are superimposed in a non-orthogonal manner, which results in the interference between non-orthogonal users and noise interference in the channel. To solve this problem, an improved algorithm combining regularized zero-forcing (RZF) precoding with minimum mean square error-serial interference cancellation (MMSE-SIC) detection is proposed. The algorithm uses RZF precoding combined with successive over-relaxation (SOR) method at the base station to preprocess the source signal, which can balance the effects of non-orthogonal inter-user interference and noise interference, and generate a precoded signal suitable for transmission in the channel. At the receiver, the MMSE-SIC detection algorithm is used to further eliminate the interference in the signal for the received superimposed signal, and reduce the calculation complexity through the QR decomposition of the matrix. The simulation results show that the proposed joint detection algorithm has good applicability to eliminate the interference of non-orthogonal users, and it has low complexity and fast convergence speed.
Compared with other traditional method, the improved method has lower error rate under different signal-tointerference and noise ratio (SINR).
목차
등록된 정보가 없습니다.
참고문헌 (18)
참고문헌 신청
C. Wu / 2020 / QoS-aware resource allocation for D2D communications / Journal of Northeast Electric Power University 40(2):89~95
E. Ali / 2020 / Two dimension angle of arrival-based precoding for pilot contamination reduction in multi-cell massive MIMO systems / Wireless Networks 26(6):4129~4147
P. Zhang / 2018 / Atomic norm denoising-based joint channel estimation and faulty antenna detection for massive MIMO / IEEE Transactions on Vehicular Technology 67(2):1389~1403
B. Shi / 2018 / Study on communication network effect on system performance of wide area control / Journal of Northeast Electric Power University 38(6):29~34
A. Li / 2015 / Non-orthogonal multiple access(NOMA)for future downlink radio access of 5G / China Communications 12(Supplement):28~37
E. Ali / 2020 / Two dimension angle of arrival-based precoding for pilot contamination reduction in multi-cell massive MIMO systems / Wireless Networks 26(6):4129~4147
P. Zhang / 2018 / Atomic norm denoising-based joint channel estimation and faulty antenna detection for massive MIMO / IEEE Transactions on Vehicular Technology 67(2):1389~1403
B. Shi / 2018 / Study on communication network effect on system performance of wide area control / Journal of Northeast Electric Power University 38(6):29~34
A. Li / 2015 / Non-orthogonal multiple access(NOMA)for future downlink radio access of 5G / China Communications 12(Supplement):28~37
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