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使用变换域预测的TDD系统信道互易性补偿方法 被引量：3

Compensation for channel non-reciprocity by using transform-domain prediction in TDD-MIMO-OFDM systems
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摘要 分析了信道时变对TDD-MIMO-OFDM系统容量的影响,提出了一种基于变换域预测的TDD-MIMO-OFDM系统信道互易性补偿方法.该方法基于最小描述长度准则(MDL)对变换域分量进行检测,并对这些分量进行预测以补偿信道时变.通过变换域处理,该方法有效地降低了信道估计和预测误差,弥补了由时变引起的信道非互易性带来的系统容量损失. The bad effect of channel non-reciprocity caused by time-variations on the capacity of TDD-MIMO-OFDM systems is analyzed and a compensation method based on transform-domain prediction is proposed.Based on minimum description length（MDL） criteria,the proposed method detects the transform-domain components,and then prediction is made for each component to compensate for channel time-variances.By transform domain processing,the proposed method effectively reduces the estimation and prediction error,and hence remedies the system capacity.
作者 孙德春 刘祖军 易克初
机构地区 西安电子科技大学综合业务网理论及关键技术国家重点实验室
出处 《西安电子科技大学学报》 EI CAS CSCD 北大核心 2012年第6期22-25,41,共5页 Journal of Xidian University
基金 国家自然科学基金资助项目(61101146) 基本科研业务费资助项目(K5051201024) 高等学校学科创新引智计划资助项目(B08038)
关键词 TDD-MIMO-OFDM 信道互易性 信道预测 系统容量 MIMO-OFDM channel reciprocity channel prediction system capacity
分类号 TN929.5 [电子电信—通信与信息系统]
  • 相关文献

参考文献10

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二级参考文献9

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共引文献8

同被引文献28

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引证文献3

二级引证文献4

西安电子科技大学学报
2012年 第6期

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