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
- 발행연도
- 2020.4
- 수록면
- 668 - 677 (10page)
- DOI
- 10.7840/kics.2020.45.4.668
이용수
초록· 키워드
오류제보하기
In non-orthogonal multiple access (NOMA), the successive interference cancellation (SIC) implementation is very important, because the performance of the stronger channel user with the low power allocation is greatly affected by the SIC performance. Up to now, in order to achieve the perfect SIC performance, two techniques for the single level modulation, such as binary phase shift keying (BPSK) and quadrature phase shift keying (QPSK), have been reported in the literature; one way is the dynamic superposition coding (DSC), which is the combination of the normal superposition coding (NSC) and symmetric superposition coding (SSC). The other way is the orthogonal NOMA with polar on-off keying (POOK). As an extended research, this paper challenges the perfect SIC NOMA performance for the 4-ary pulse amplitude modulation (4PAM); the perfect SIC performance cannot be obtained by a simple combination of NSC and SSC, just as for BPSK. For 4PAM case, we need new superposition coding, i.e., the complement superposition coding (CSC). It is shown analytically that the combination of NSC, SSC, and CSC can achieve the near-perfect SIC performance. As a result, the DSC concept could be applied for the multilevel modulations, in order to achieve the near-perfect SIC performance in NOMA.
목차
ABSTRACT
Ⅰ. Introduction
Ⅱ. System and Channel Model
Ⅲ. Achieving Near-Perfect SIC Performance
Ⅳ. Results and Discussions
Ⅴ. Conclusion
References
참고문헌 (22)
참고문헌 신청
Y. Saito, Y. Kishiyama, A. Benjebbour, T. Nakamura, A. Li, and K. Higuchi, “Nonorthogonal multiple access (NOMA) for cellular future radio access,” in Proc. IEEE 77th VTC Spring, pp. 1-5, 2013.
Z. Ding, P. Fan, and H. V. Poor, “Impact of user pairing on 5G nonorthogonal multipleaccess downlink transmissions,” IEEE Trans. Veh. Technol., vol. 65, no. 8, pp. 6010-6023, Aug. 2016.
S. R. Islam, J. M. Kim, and K. S. Kwak, “On non-orthogonal multiple access (NOMA) in 5G systems,” J. KICS, vol. 40, no. 12, pp. 2549-2558, Dec. 2015.
M. H. Lee, V. C. M. Leung, and S. Y. Shin, “Dynamic bandwidth allocation of NOMA and OMA for 5G,” J. KICS, vol. 42, no. 12, pp. 2383-2390, Dec. 2017.
M. B. Uddin, M. F. Kader, A. Islam, and S. Y. Shin, “Power optimization of NOMA for Multi-Cell networks,” J. KICS, vol. 43, no. 7, pp. 1182-1190, Jul. 2018.
Z. Ding, P. Fan, and H. V. Poor, “Impact of user pairing on 5G nonorthogonal multipleaccess downlink transmissions,” IEEE Trans. Veh. Technol., vol. 65, no. 8, pp. 6010-6023, Aug. 2016.
S. R. Islam, J. M. Kim, and K. S. Kwak, “On non-orthogonal multiple access (NOMA) in 5G systems,” J. KICS, vol. 40, no. 12, pp. 2549-2558, Dec. 2015.
M. H. Lee, V. C. M. Leung, and S. Y. Shin, “Dynamic bandwidth allocation of NOMA and OMA for 5G,” J. KICS, vol. 42, no. 12, pp. 2383-2390, Dec. 2017.
M. B. Uddin, M. F. Kader, A. Islam, and S. Y. Shin, “Power optimization of NOMA for Multi-Cell networks,” J. KICS, vol. 43, no. 7, pp. 1182-1190, Jul. 2018.
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