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
- 2020.1
- 수록면
- 20 - 25 (6page)
- DOI
- 10.7840/kics.2020.45.1.20
이용수
초록· 키워드
오류제보하기
The main principle of non-orthogonal multiple access (NOMA) recommends that low power is allocated to the strong channel user, in order to guarantee the user fairness. Recently, symmetric superposition coding (SSC) has been proposed to mitigate the effect of error propagation (EP) in NOMA with quadrature phase shift keying (QPSK) for visible light communication (VLC) networks. It has been verified analytically that SSC NOMA with binary phase shift keying (BPSK) achieves the performance of the perfect SIC for the power allocation factor range less than 50%. However, SSC for multilevel modulations has not been reported in the literature in NOMA. As continuing researches, we propose NOMA with the multilevel SSC for the 4-ary pulse amplitude modulation (4PAM). It is shown that the performance of 4PAM SSC NOMA achieves the perfect SIC performance for the power allocation factor range less than about 10 %, while the performance of 4PAM NOMA with the normal superposition coding (NSC) is the same as that of the perfect SIC NOMA for the power allocation factor range less than about 5 %. As a result, the promising feature of SSC, i.e., the improved performance on the low power allocation range, is still preserved for multilevel modulations.
목차
ABSTRACT
Ⅰ. Introduction
Ⅱ. System and Channel Model
Ⅲ. 4PAM SSC NOMA Performance Derivation
Ⅳ. Results and Discussions
Ⅴ. Conclusion
References
참고문헌 (10)
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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