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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.9
- 수록면
- 1,674 - 1,677 (4page)
- DOI
- 10.7840/kics.2019.44.9.1674
이용수
초록· 키워드
오류제보하기
New multiple access technique, non-orthogonal multiple access (NOMA), has been proposed recently for increasing the system capacity. Moreover, to increase the capacity, naturally, we consider the multilevel modulation to NOMA. In this paper, the impact of the multilevel modulation, such as 4-ary pulse amplitude modulation (4PAM), on the performance for the NOMA weak channel user is presented. The analysis of this paper is complete in that the performance is analyzed for the entire range of the power allocation factor. It is shown how much the NOMA performance with 4PAM degrades, compared to the orthogonal multiple access (OMA). In result, there are gain and loss; the gain is that two users can use the same channel resources, i.e., the system capacity becomes double and the loss is the performance degradation, which is shown analytically in this paper.
목차
ABSTRACT
Ⅰ. Introduction
Ⅱ. System and Channel Model
Ⅲ. 4PAM Receiver Performance Derivations
Ⅳ. Results and Discussions
Ⅴ. Conclusion
References
참고문헌 (6)
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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