On Optimal Power Control for Sequential NOMA in Wireless Relay Networks

Rung Hung Gau, Hsiao Ting Chiu

研究成果: Conference contribution同行評審

摘要

In this paper, we study optimal power control for sequential NOMA in wireless relay networks. When a sequential NOMA scheme is used, in each time slot, the base station uses NOMA in the first phase, while the stronger relay uses NOMA in the second phase. To solve the problem of optimal power control for sequential NOMA, we design the geometric eight-point algorithm based on geometric properties of the non-convex optimization problem. Specifically, the proposed geometric eight-point algorithm adopts parabolas and the geometric classification algorithm to obtain a locally optimal power allocation vector with low computational complexity. Simulation results indicate that the proposed sequential NOMA scheme could increase the spectral efficiency and reduce the relay power consumption for wireless relay networks.

原文English
主出版物標題2020 IEEE 91st Vehicular Technology Conference, VTC Spring 2020 - Proceedings
發行者Institute of Electrical and Electronics Engineers Inc.
ISBN(電子)9781728152073
DOIs
出版狀態Published - 五月 2020
事件91st IEEE Vehicular Technology Conference, VTC Spring 2020 - Antwerp, Belgium
持續時間: 25 五月 202028 五月 2020

出版系列

名字IEEE Vehicular Technology Conference
2020-May
ISSN(列印)1550-2252

Conference

Conference91st IEEE Vehicular Technology Conference, VTC Spring 2020
國家Belgium
城市Antwerp
期間25/05/2028/05/20

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