Distributive Beamforming Design in Multicell Downlinks Using Interference and Power Control

DONG Ming-ke; LI Ying-bo; WANG Da; JIN Ye; LI Jun

doi:10.3969/j.issn.0372-2112.2015.03.027

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Distributive Beamforming Design in Multicell Downlinks Using Interference and Power Control

更新时间：2025-07-16

- Distributive Beamforming Design in Multicell Downlinks Using Interference and Power Control
- Acta Electronica Sinica Vol. 43, Issue 3, Pages: 597-600(2015)
- 作者机构：
  
  1. 北京大学信息科学技术学院,北京,100871
  2. 国家互联网应急中心,北京,100029
  3. 总参信息化部驻杭州地区军事代表室,浙江,杭州,310052
  4. 北京大学信息科学技术学院,北京,100871
  5. 国家互联网应急中心,北京,100029
  6. 总参信息化部驻杭州地区军事代表室,浙江,杭州,310052
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2015.03.027
  CLC： TN914
- Published：2015
- 稿件说明：
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DONG Ming-ke, LI Ying-bo, WANG Da, et al. Distributive Beamforming Design in Multicell Downlinks Using Interference and Power Control[J]. Acta Electronica Sinica, 2015, 43(3): 597-600.
DOI：

DONG Ming-ke, LI Ying-bo, WANG Da, et al. Distributive Beamforming Design in Multicell Downlinks Using Interference and Power Control[J]. Acta Electronica Sinica, 2015, 43(3): 597-600. DOI： 10.3969/j.issn.0372-2112.2015.03.027.

摘要

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.

Abstract

In a multicell scenario

two improved competitive beamforming design schemes are proposed to maximize the worst SINR in each cell for downlink transmissions.One is the competitive design with interference control.We use different interference control factors to suppress the inter-cell interference.The other design is the competitive design with power control.We adjust the power of each base station (BS) to improve the system performance.Both the two improved designs keep the distributive nature of the competitive design and improve the worst SINR of the system.Simulation results show that the competitive design with power control outperforms that with the interference control when the transmit power increases.

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