Energy Efficient Based Resource Optimization Algorithm for Two-tier Non-Orthogonal Multiple Access Network

Dong GAO; Zilin LIANG

doi:10.11999/JEIT190048

Volume 42 Issue 5

Jun. 2020

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Dong GAO, Zilin LIANG. Energy Efficient Based Resource Optimization Algorithm for Two-tier Non-Orthogonal Multiple Access Network[J]. Journal of Electronics & Information Technology, 2020, 42(5): 1237-1243. doi: 10.11999/JEIT190048

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Dong GAO, Zilin LIANG. Energy Efficient Based Resource Optimization Algorithm for Two-tier Non-Orthogonal Multiple Access Network[J]. Journal of Electronics & Information Technology, 2020, 42(5): 1237-1243. doi: 10.11999/JEIT190048

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Energy Efficient Based Resource Optimization Algorithm for Two-tier Non-Orthogonal Multiple Access Network

doi: 10.11999/JEIT190048

Dong GAO^,,
Zilin LIANG

College of Information Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China

Received Date: 2019-01-17
Rev Recd Date: 2019-11-05

Available Online: 2020-01-15

Publish Date: 2020-06-04

Abstract

Abstract

A subchannel matching method based on bilateral matching and a power allocation algorithm based on Stackelberg game are proposed for two-tier Non-Orthogonal Multiple Access (NOMA) network. Firstly, the resource optimization problem is decomposed into two subproblems—sub-channel matching and power allocation. In the power allocation, the macro base station layer and small base station layer are regarded as the leader and followers in the Stackelberg game. Then, the non-convex optimization problem is converted into a way to be easily solved, and the power allocation of the both layers are obtained respectively. Finally, the global power allocation scheme of the system is obtained by using Stackelberg game. The simulation results show that the proposed resource optimization algorithms can effectively improve the energy efficiency of the two-tier NOMA system.
- Non-Orthogonal Multiple Access (NOMA),
- Game,
- Energy efficiency,
- Resource allocation

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References(14)

References

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