Power Allocation Optimization in the Downlink of Asymmetric Paired Carrier Multiple Access Systems

LIU Aijun; GONG Liping; HAN Chen; GAO Zhixiang; LIN Xin

doi:10.11999/JEIT230799

Volume 45 Issue 11

Nov. 2023

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Article Navigation > Journal of Electronics & Information Technology > 2023 > 45(11): 4016-4025

LIU Aijun, GONG Liping, HAN Chen, GAO Zhixiang, LIN Xin. Power Allocation Optimization in the Downlink of Asymmetric Paired Carrier Multiple Access Systems[J]. Journal of Electronics & Information Technology, 2023, 45(11): 4016-4025. doi: 10.11999/JEIT230799

Citation:

LIU Aijun, GONG Liping, HAN Chen, GAO Zhixiang, LIN Xin. Power Allocation Optimization in the Downlink of Asymmetric Paired Carrier Multiple Access Systems[J]. Journal of Electronics & Information Technology, 2023, 45(11): 4016-4025. doi: 10.11999/JEIT230799

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Power Allocation Optimization in the Downlink of Asymmetric Paired Carrier Multiple Access Systems

doi: 10.11999/JEIT230799

1.
Army Engineering University of PLA, Nanjing 210007, China
2.
The 63th Institute, National University of Defense Technology, Nanjing 210007, China

Funds: The National Key Research and Development Program of China (2018YFB1801103), The Natural Science Foundation on Frontier Leading Technology Basic Research Project of Jiangsu Province (BK20192002), The National Natural Science Foundation of China (61901516, 62171466, 62201593), The Research Program of National University of Defense Technology (ZK22-08)

Received Date: 2023-08-01
Rev Recd Date: 2023-10-10

Available Online: 2023-10-25

Publish Date: 2023-11-28

Abstract

Abstract

In order to improve the sum rate in the satellite communication system, power allocation in downlink of Asymmetric Paired Carrier Multiple Access (APCMA) system is investigated. Under the constraint of total power and the minimum quality of service for each user, the optimal power allocation scheme is obtained via the methods of convex optimization with the objective of maximizing the sum capacity, and two suboptimal power allocation schemes are given. Compared with the classic algorithm in Orthogonal Multiple Access (OMA), the simulation results show that the proposed scheme in APCMA maximizes the sum rate, and has superior performance in spectral efficiency.
- Satellite communication,
- Asymmetric Paired Carrier Multiple Access (APCMA),
- Sum capacity,
- Power allocation,
- Quality of Service(QoS)

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References(32)

References

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