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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국정보처리학회 JIPS(Journal of Information Processing Systems) JIPS(Journal of Information Processing Systems) 제17권 제2호
- 발행연도
- 2021.1
- 수록면
- 306 - 317 (12page)
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초록· 키워드
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The unbalance between system ergodic sum rate and high fairness is one of the key issues affecting theperformance of non-orthogonal multiple access (NOMA) system. To solve the problem, this paper proposes apower allocation algorithm to realize the ergodic sum rate maximization of NOMA system. The scheme ismainly achieved by the construction algorithm of fair model based on α fair utility function and the optimalsolution algorithm based on the interior point method of penalty function. Aiming at the construction of fairmodel, the fair target is added to the traditional power allocation model to set the reasonable target function. Simultaneously, the problem of ergodic sum rate and fairness in power allocation is weighed by adjusting thevalue of α. Aiming at the optimal solution algorithm, the interior point method of penalty function is used totransform the fair objective function with unequal constraints into the unconstrained problem in the feasibledomain. Then the optimal solution of the original constrained optimization problem is gradually approximatedwithin the feasible domain. The simulation results show that, compared with NOMA and time division multipleaddress (TDMA) schemes, the proposed method has larger ergodic sum rate and lower Fairness Index (FI)values.
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참고문헌 (19)
참고문헌 신청
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
Z. Ding / 2017 / Application of non-orthogonal multiple access in LTE and 5G networks / IEEE Communications Magazine 55(2):185~191
P. Xu / 2015 / A new evaluation criterion for non-orthogonal multiple access in 5G software defined networks / IEEE Access 3:1633~1639
Q. Bi / 2015 / Non-orthogonal multiple access technology for 5G systems / Telecommunications Science 31(5):14~21
Z. Ding / 2014 / On the performance of non-orthogonal multiple access in 5G systems with randomly deployed users / IEEE Signal Processing Letters 21(12):1501~1505
Z. Ding / 2017 / Application of non-orthogonal multiple access in LTE and 5G networks / IEEE Communications Magazine 55(2):185~191
P. Xu / 2015 / A new evaluation criterion for non-orthogonal multiple access in 5G software defined networks / IEEE Access 3:1633~1639
Q. Bi / 2015 / Non-orthogonal multiple access technology for 5G systems / Telecommunications Science 31(5):14~21
Z. Ding / 2014 / On the performance of non-orthogonal multiple access in 5G systems with randomly deployed users / IEEE Signal Processing Letters 21(12):1501~1505
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