LTE-Advanced异构网中载波选择与波束成形联合算法

方锐; 孙长印; 卢光跃; 郑龙龙

doi:10.11959/j.issn.1000-0801.2015004

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LTE-Advanced异构网中载波选择与波束成形联合算法

研究与开发 | 更新时间：2024-06-05

- LTE-Advanced异构网中载波选择与波束成形联合算法
- Component Carrier Selection and Beamforming Jointly in LTE-Advanced Heterogeneous Network
- 电信科学 2015年31卷第1期页码：89-93
- 作者机构：
- 作者简介：
  
  [ "方锐，男，西安邮电大学硕士生，主要研究方向为移动通信。" ]
  [ "孙长印，男，西安邮电大学副研究员，主要研究方向为移动通信。" ]
  [ "卢光跃，博士，男，西安邮电大学教授，主要研究方向为移动通信。" ]
  [ "郑龙龙，男，西安邮电大学硕士生，主要研究方向为移动通信。" ]
- 基金信息：
  
  中兴项目产业资助项目（基于载波聚合的异构网干扰管理研究）;The Project Foundation of ZTE;西安邮电大学创新基金资助项目;The Innovation Foundation of Xi'an University of Post and Telecommunication(ZL2013-15)
- DOI：10.11959/j.issn.1000-0801.2015004
  中图分类号：
- 网络出版日期：2015-01，
  
  纸质出版日期：2015-01-20
- 稿件说明：
移动端阅览
方锐, 孙长印, 卢光跃, 等. LTE-Advanced异构网中载波选择与波束成形联合算法[J]. 电信科学, 2015,31(1):89-93.

Rui Fang, Changyin Sun, Guangyue Lu, et al. Component Carrier Selection and Beamforming Jointly in LTE-Advanced Heterogeneous Network[J]. Telecommunications science, 2015, 31(1): 89-93.
方锐, 孙长印, 卢光跃, 等. LTE-Advanced异构网中载波选择与波束成形联合算法[J]. 电信科学, 2015,31(1):89-93. DOI： 10.11959/j.issn.1000-0801.2015004.

Rui Fang, Changyin Sun, Guangyue Lu, et al. Component Carrier Selection and Beamforming Jointly in LTE-Advanced Heterogeneous Network[J]. Telecommunications science, 2015, 31(1): 89-93. DOI： 10.11959/j.issn.1000-0801.2015004.

摘要

为解决LTE-Advanced异构网内宏小区及微小区间的相互干扰问题，提出了载波选择与波束成形联合算法。在高密度、多低功率微基站节点的异构网中，通过关闭部分基站的部分载波，并在开启载波的基站天线上进行波束成形，使接收端受到的干扰大幅度降低。另外，基于效用函数的约束，对载波、波束分别计算，使原本二维联合优化问题变成两个一维优化问题，降低了算法复杂度。仿真结果表明该方案增加了异构网中边缘用户及整个系统的吞吐量。

Abstract

To deal with the interference between macro cell and pico cell

or between pico cell themselves in LTE-Advanced heterogeneous network

joint algorithm of component carrier selection and beamforming was proposed. By shutting down a subset of the component carrier in the dense low power node deployment scenario

it could remove lots of interference at the receive side. Additionally

based on utility function and calculate separately

algorithm reduced the dimensions and the searching complexity of the algorithm. Simulation results show that the proposed scheme can bring a great throughput gain of edge users and the whole system in the heterogeneous network.

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references

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