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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.12
- 수록면
- 846 - 858 (0page)
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The non‐orthogonal multiple access (NOMA) technique offers throughput improvement to meet the demands of the future generation of wireless communication networks. The objective of this work is to further improve the throughput by including an underlay cognitive radio network with an existing multi‐carrier NOMA network, using cooperative communication. The throughput is maximized by optimal resource allocation, namely, power allocation, subcarrier assignment, relay selection, user pairing, and subcarrier pairing. Optimal power allocation to the primary and secondary users is accomplished in a way that target rate constraints of the primary users are not affected. The throughput maximization is a combinatorial optimization problem, and the computational complexity increases as the number of users and/or subcarriers in the network increases. To this end, to reduce the computational complexity, a dynamic network resource allocation algorithm is proposed for combinatorial optimization. The simulation results show that the proposed network improves the throughput.
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참고문헌 (49)
참고문헌 신청
P. Parida / 2014 / Power allocation in OFDM based NOMA systems: A DC programming approach / Proc. IEEE Globecom Workshops :1026~1031
D. Tse / 2004 / Fundamentals of Wireless Communications / Cambridge University Press
A. Zafar / 2013 / On multiple users scheduling using superposition coding over rayleigh fading channels / IEEE Commun. Lett 17(4):733~736
A. Benjebbour / 2013 / Concept and practical considerations of non-orthogonal multiple access (NOMA) for future radio access / Proc. Int. Symp. Intell. Signal Process. Commun. Syst :770~774
Y. Saito / 2013 / Non-orthogonal multiple access (NOMA) for cellular future radio access / Proc. IEEE 77th Veh. Technol. Conf :1~5
D. Tse / 2004 / Fundamentals of Wireless Communications / Cambridge University Press
A. Zafar / 2013 / On multiple users scheduling using superposition coding over rayleigh fading channels / IEEE Commun. Lett 17(4):733~736
A. Benjebbour / 2013 / Concept and practical considerations of non-orthogonal multiple access (NOMA) for future radio access / Proc. Int. Symp. Intell. Signal Process. Commun. Syst :770~774
Y. Saito / 2013 / Non-orthogonal multiple access (NOMA) for cellular future radio access / Proc. IEEE 77th Veh. Technol. Conf :1~5
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