Analysis of Capacity in Deterministic MIMO Channels Based on Different Power Conditions

SUN Ji-yu; XIE Hong; LIU Zhuo-fu

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Analysis of Capacity in Deterministic MIMO Channels Based on Different Power Conditions

更新时间：2026-07-10

- Analysis of Capacity in Deterministic MIMO Channels Based on Different Power Conditions
- Vol. 15, Issue 6, Pages: 94-98(2010)
- 作者机构：
  
  1. 哈尔滨工程大学信息与通信工程学院
  2. 哈尔滨理工大学测控技术与通信工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN919.72
- Published：2010
- 稿件说明：
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SUN Ji-yu, XIE Hong, LIU Zhuo-fu. Analysis of Capacity in Deterministic MIMO Channels Based on Different Power Conditions[J]. 2010, 15(6): 94-98.
DOI：

SUN Ji-yu, XIE Hong, LIU Zhuo-fu. Analysis of Capacity in Deterministic MIMO Channels Based on Different Power Conditions[J]. 2010, 15(6): 94-98. DOI：

摘要

对MIMO信道容量进行分析研究有助于未来4G网络的组建与优化.在假设信道系数不变的前提下

分别推导了发射端天线在等功率分配方案、波束成型条件及注水功率情况下的MI-MO信道容量.对以上三种功率分配方案在同一环境下通过计算机仿真进行了比较:在不额外增加发射功率的情况下

注水算法是最优的

但其运算复杂度较高;等功率分配方案信道容量在大信噪比的条件下比较理想.波束成型方案在低信噪比时接近最优情况.

Abstract

The analysis and study on MIMO channels capacity is benificial to 4G network’s construction and optimization.On the condition of invariable coefficient of channels

MIMO channel capacity is deduced when equal transmit energy scheme

beamforming condition and waterfilling power algorithm are applied respectively.The above three kinds of power allocation schemes are contrasted by computer simulation in the same entironment:In the instance of power not being added

waterfilling algorithm is optimal but too comple...

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Related Institution

Department of Information Engineering,Northeast Dianli University

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