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电子学报  2015 

基于干扰和功率控制的多小区分布式波束成形

DOI: 10.3969/j.issn.0372-2112.2015.03.027, PP. 597-600

Keywords: 波束成形,多小区,分布式算法,竞争设计

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Abstract:

在多小区干扰信道中,基于分布式竞争设计,提出两种优化基站发射波束成形矩阵的设计,使每个小区的最差信干噪比最大.一种是基于干扰控制的设计,利用差异化的干扰系数,抑制小区间的干扰,提高系统性能.另一种是基于功率控制的设计,通过调整各基站的发射功率,提高系统性能.这两种设计,都能保持算法的分布式特性,又能有效地提高用户信干噪比.仿真分析表明,基于功率控制的设计在功率大的情况下,性能优于基于干扰控制的设计.

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