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MIMO信道平均容量优化算法的研究

On capacity optimization for correlated MIMO channels
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摘要 该文研究MIMO系统收发天线间存在空间相关衰落时信道平均容量的优化算法,利用牛顿迭代法,对发送子空间各特征向量的分配功率进行了优化。仿真结果表明,在各种SNR下,其平均容量接近Jensen’s上界;得出信道相关性对平均容量的影响取决于系统信噪比的结论。 This paper studies the capacity of a MIMO system with a correlated fading channel for the two-side antennas.An optimization program using Newton＇s method is developed to analyze the interactions among transmit and receive antennas,Simulation shows that the optimization program can give a result which is very close to the Jensen＇s up bound and reveal the effect of correlation on capacity depending on SNR.
作者 贺中堂 徐冉 许苏晓
机构地区 江苏徐州空军学院
出处 《计算机工程与应用》 CSCD 北大核心 2007年第29期126-128,共3页 Computer Engineering and Applications
关键词 MIMO 平均信道容量 注水算法 波束成形 MIMO ergodic channel capacity water filling beamforming
分类号 TN911.2 [电子电信—通信与信息系统]
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参考文献11

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二级参考文献6

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共引文献12

计算机工程与应用
2007年 第29期

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