超密集网中基于分簇的功率优化控制方案

doi:10.19678/j.issn.1000-3428.0049618

计算机工程 ›› 2019, Vol. 45 ›› Issue (1): 55-60. doi: 10.19678/j.issn.1000-3428.0049618

超密集网中基于分簇的功率优化控制方案

徐昌彪^a,吴杰^b

重庆邮电大学 a.光电工程学院; b.通信与信息工程学院,重庆 400065

收稿日期:2017-12-08 出版日期:2019-01-15 发布日期:2019-01-15
作者简介:徐昌彪(1972—),男,教授、博士,主研方向为超密集网络、移动通信、网络编码、未来网络;吴杰,硕士研究生
基金资助:
国家自然科学基金青年基金(61602073)

Power Optimization Control Scheme Based on Clustering in Ultra-dense Network

XU Changbiao ^a,WU Jie^b

a.School of Optoelectronic Engineering; b.School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications,Chongqing 400065,China

Received:2017-12-08 Online:2019-01-15 Published:2019-01-15

摘要/Abstract

摘要：

超密集网(UDN)的组建可增加热点地区的系统容量,但由于网络中存在严重区间干扰,限制了UDN的部署。为此,提出一种基于小区分簇的功率优化控制方案。通过预先设定的系统平均干扰阈值进行分簇,将系统中干扰较大的小区分到一个簇中,当簇中的小区对其他小区用户的干扰低于设定的阈值时,将此小区从这个簇中去除。该方案的功率控制由控制器根据簇内基站所占的权重值为各个基站分配相应的功率值,从而达到控制目的。仿真结果表明,该方案能够有效抑制网络中的干扰,提高系统吞吐量。

关键词: 超密集网, 系统容量, 区间干扰, 分簇, 功率控制, 权重值, 吞吐量

Abstract:

The establishment of Ultra-dense Network(UDN) can increase the system capacity of hotspots,but due to the serious interval interference in the network,the deployment of UDN is limited.Therefore,a power optimization control scheme based on cell clustering is proposed.Clustering is performed by a preset system average interference threshold,and cells with large interference in the system are grouped into one cluster,when the cell in the cluster interferes with other cell users below a set threshold,the cell is removed from the cluster.The power control of the scheme is controlled by the controller according to the weight value occupied by the base station in the cluster,and the corresponding power value is allocated to each base station,thereby achieving the control purpose.Simulation results show that the scheme can effectively suppress the interference in the network and improve the system throughput.

Key words: Ultra-dense Network(UDN), system capacity, interval interference, clustering, power control, weight value, throughput

中图分类号:

TP393

徐昌彪,吴杰. 超密集网中基于分簇的功率优化控制方案[J]. 计算机工程, 2019, 45(1): 55-60.

XU Changbiao,WU Jie. Power Optimization Control Scheme Based on Clustering in Ultra-dense Network[J]. Computer Engineering, 2019, 45(1): 55-60.

http://www.ecice06.com/CN/Y2019/V45/I1/55

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