Dynamic Power Allocation for Non-Orthogonal Multiple Access with User Mobility

被引：0
|
作者：
Narottama, Bhaskara [1 ]
Shin, Soo Young [1 ]
机构：
[1] Kumoh Natl Inst Technol, Dept IT Convergence Engn, Gumi, South Korea
来源：
2019 IEEE 10TH ANNUAL INFORMATION TECHNOLOGY, ELECTRONICS AND MOBILE COMMUNICATION CONFERENCE (IEMCON) | 2019年
关键词：
Non-orthogonal multiple access; Power allocation; User mobility; 5G; Wireless communication; PAIRING SCHEME; UNPAIRED USERS; NOMA; PERFORMANCE; CHALLENGES; SPECTRUM; UTILIZE;
D O I：
10.1109/iemcon.2019.8936269
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper, a dynamic power allocation (DPA) for power domain non-orthogonal multiple access (PD-NOMA) with user mobility is proposed. The proposed DPA will allocate powers for different users by considering the following conditions: total transmit power, outage probability, and successive interference cancellation (SIC). To better represent the real-life condition, a mobility model for NOMA is presented. It enables each user to have variable directions and speed, resulting in the change of distance in relation to the base station. The performance of the DPA is compared with static power allocation (SPA) under the user mobility. The simulation results show the gain of sum rate and rate fairness achieved by the proposed DPA.
引用
收藏
页码：442 / 446
页数：5
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