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MIMO中继系统中基于失真信道的联合收发机设计 被引量：1

Joint Linear Transceiver Design for MIMO Relay Systems Based on Channel Estimation Errors
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摘要 在MIMO中继系统中,基于完全信道状态信息的基站、中继节点和终端联合收发机设计方案能够改善系统的误比特率性能,在放大转发(AF)中继的基础上提出了一种基于不完全信道状态信息的联合收发机设计方案。新方案在基站和中继节点的功率都受限条件下,将信道估计误差建模为高斯随机变量,以最小均方误差(MMSE)为准则,采用迭代算法,得到了基站预编码矩阵、中继转发矩阵和终端解码矩阵。该方案与不考虑信道估计误差的方案相比,能够有效地改善系统的均方误差和误比特率性能。 In MIMO relay system, the scheme of designing the joint linear transmitters and the receiver considering the joint source, relay and destina- tion based on perfect channel state information （CSI） is derived. Based on this, the paper considering the channel estimate errors modeled as Gaussian random variables and under power constraint at both the source and the relay node, the transmitters and receiver could be realized through a joint iterative algorithm. Compared with the existing methods, the results show that the proposed scheme could effectively improve the BER performance and reduce the minimum mean square error of the system.
作者 钱栋军 张静 顾夏珺
机构地区 上海师范大学信息与机电工程学院
出处 《电视技术》 北大核心 2013年第7期135-137,共3页 Video Engineering
基金 国家自然科学基金项目(61101209) 上海市自然科学基金项目(11ZR1426600)
关键词 中继 收发机 最小均方误差 放大转发 relay transceiver MMSE AF
分类号 TN92 [电子电信—通信与信息系统]
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参考文献10

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共引文献7

同被引文献14

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电视技术
2013年 第7期

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