李莉,孙长印

• 1:西安邮电大学

摘要(Abstract)：

针对下一代无线通信系统(5G)超密网络场景面临复杂的干扰问题,采用联合功率控制和以用户为中心的虚拟小区结构,而联合功率控制由于非凸问题会导致高复杂度问题,以及重叠虚拟小区基站功率强耦合问题,故提出以用户为中心的虚拟小区基站基于分层的联合功率控制算法。算法首先利用新提出的虚拟功率概念解耦重叠虚拟小区基站功率,其次上层求解功率分割系数,下层通过迭代注水算法得到虚拟功控最优解。仿真比较结果表明,提出的算法可以提高系统吞吐量,获得更大的系统速率。

关键词(KeyWords)： 超密网络;虚拟小区;基站联合;功率分配;注水算法;功率分层

Abstract:

Keywords:

基金项目(Foundation): 新一代宽带无线移动通信网重大专项项目:5G超密集组网技术与试验系统研发(2016ZX03001016);; 国家高科技研究发展计划(863计划)(2014AA01A703-13);; 西安邮电大学创新基金(101-602080002)~~

作者(Author): 李莉,孙长印

DOI: 10.16652/j.issn.1004-373x.2018.23.021

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