电讯技术2018，Vol.58Issue(4)：437-442,6.DOI:10.3969/j.issn.1001-893x.2018.04.013
一种适用于超密集网络下行链路的干扰抑制方案
An Interference Suppression Scheme for Downlink Ultra-dense Networks
摘要
Abstract
In the downlink of an Ultra-dense Network(UDN),in order to effectively overcome the influence of similar-intensity interference which results from the decrease of the distance between nodes and the simi-larity of neighboring nodes' transmission loss on user performance,this paper proposes a priority-based user-centric interference coordination scheme.In order to quantize performance criteria of bandwidth gain a-chieved through the base stations cooperation,it proposes a performance criteria to compute the bandwidth loss-gain-rate.With the quantitative value of bandwidth loss-gain-rate,it is easily to learn whether the scheme is profitable in the UDN scene,and the parameters are optimized according to the largest acceptable loss ratio for the system.The simulation results show that the scheme can significantly improve user perform-ance and guarantee user fairness,efficiently overcoming the defect that user signal to interference pluse noise ratio(SINR) performance is restricted by the number of base stations' antennas under the condition of more base stations.The scheme presents a solution to improve users performance and system performance.关键词
超密集网络/下行链路/小区间干扰抑制/用户为中心/基站协作Key words
ultra-dense network(UDN)/down-link/inter-cell interference suppression/user-centric/base stations coordination分类
信息技术与安全科学引用本文复制引用
沈程,冯裴,谭国平,李旭杰,李岳衡..一种适用于超密集网络下行链路的干扰抑制方案[J].电讯技术,2018,58(4):437-442,6.基金项目
中央高校基本科研业务费专项基金项目(2015B18914) （2015B18914）
中国科学院无线传感网与通信重点实验室开发课题(2016001) （2016001）
科技部国际科技合作项目(2015DFR10560) （2015DFR10560）
