Base Station Assignment in Two-tier Dual Connectivity Heterogeneous Networks

被引：0
|
作者：
Moein, Elham [1 ]
Taskou, Shiva Kazemi [1 ]
Rasti, Mehdi [1 ]
机构：
[1] Amirkabir Univ Technol, Dept Comp Engn & Informat Technol, Tehran, Iran
来源：
2018 9TH INTERNATIONAL SYMPOSIUM ON TELECOMMUNICATIONS (IST) | 2018年
关键词：
Dual connectivity; Single Connectivity; Heterogeneous Networks; eNB Assignment; USER ASSOCIATION;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The limited coverage of Small eNode Base Stations (SeNBs) in two-tier Heterogeneous Networks (HetNets) increases the control overhead and outage of mobile users. To overcome this challenge, two-tier Dual Connectivity (DC) HetNets is proposed. In such networks, each user can connect to two eNode Base Stations (eNBs) in different two-tier (a Macro eNBs (MeNB) in macro-tier and a SeNB in small-tier), simultaneously. In this paper, we investigate eNB assignment problem for maximizing the users' total data rate in the two-tier DC HetNets. Since the problem is a non-convex optimization problem, its computational complexity is high. To solve this problem, we transform it into a convex optimization problem. Then, an iterative algorithm is employed to obtain its optimal solution. The simulation results confirm that our proposed eNB assignment algorithm achieves the higher data rate as compared to the existing algorithm.
引用
收藏
页码：474 / 480
页数：7
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