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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.6
- 수록면
- 1,076 - 1,079 (4page)
- DOI
- 10.7840/kics.2019.44.6.1076
이용수
초록· 키워드
오류제보하기
Recently, the symmetric superposition coding (SSC) is proposed for a solution for the error propagation (EP) due to the non-perfect successive interference cancellation (SIC) in non-orthogonal multiple access (NOMA). This paper calculates the channel capacity of NOMA with the SSC. First, we prove that the channel capacity of the strong channel user in the SSC NOMA is zero, if the perfect SIC is assumed. However, it is shown that if this zero capacity bit to symbol mapping is sent over Gaussian mixture channel, the SSC NOMA capacity is greater than that of NOMA with the normal superposition coding (NSC) for the power allocation factor greater than about 20 % or less than about 80 %. We also show that the capacityof the SSC NOMA is the same as that of the NSC NOMA for the power allocation factor less than about 20 %, and the SSC NOMA capacity is worse than the NSC NOMA capacity for the power allocation factor greater than about 80 %. As a result, the SSC should be used to take into account the power allocation.
목차
ABSTRACT
Ⅰ. Introduction
Ⅱ. System and Channel Model
Ⅲ. Zero Capacity Bit to Symbol Mapping and SSC NOMA Capacity
Ⅳ. Results and Discussions
Ⅴ. Conclusion
References
참고문헌 (11)
참고문헌 신청
Y. Saito, Y. Kishiyama, A. Benjebbour, T. Nakamura, A. Li, and K. Higuchi, “Non-orthogonal 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 multiple-access 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 multiple-access 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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