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基于相位旋转的多跳Alamouti放大转发协作方案 被引量：3

Multi-hop Alamouti Amplify and Forward Cooperative Scheme Based on Phase Rotation
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摘要 多跳Alamouti放大转发(AAF-MH)协作方案中,信号的传输没有考虑信道状态信息(CSI)。针对此问题,该文提出了基于相位旋转的多跳Alamouti放大转发(AAF-MH-PR)协作方案,通过部分中继节点发送的信号旋转适当的角度,改变了系统的等效信道矩阵。理论分析表明AAF-MH-PR的可靠性显著优于AAF-MH,仿真结果验证了理论分析的正确性,误符号率(SER)为10?5时,AAF-MH-PR只需1 bit的反馈量就获得了5 dB的增益。 The Channel State Information（CSI） is not taken into consideration in Multi-Hop Alamouti Amplify and Forward（AAF-MH） cooperation protocol.For this issue,Multi-Hop Alamouti Amplify and Forward with Phase Rotation（AAF-MH-PR） cooperative scheme is proposed,in which the effective channel matrix is changed by applying a proper rotation at transmitted signals of partial relay.Theoretical analysis shows that the reliability of AAF-MH-PR is significantly better than that of AAF-MH.Simulation demonstrats the validity of theoretical analysis and the proposed scheme provides a 5 dB gain at a Symbol Error Rate（SER） of over AAF-MH with only 1 bit feedback amount.
作者 田心记 袁超伟 胡紫巍 李琳
机构地区 北京邮电大学信息与通信工程学院
出处 《电子与信息学报》 EI CSCD 北大核心 2011年第4期880-884,共5页 Journal of Electronics & Information Technology
基金 国家自然科学基金(60872149)资助课题
关键词 无线通信 多跳 协作 反馈 可靠性 相位旋转 Wireless communication Multi-hop Cooperative Feedback Reliability Phase rotation
分类号 TN911.22 [电子电信—通信与信息系统]
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参考文献11

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同被引文献34

  • 1PENG MU-GEN, LIU HONG-MEI, WANG WEN-BO. Cooperative network coding with MIMO transmission in wireless decode-and-forward relay networks[J].IEEE Transactions on Vehicular Technology, 2010, 59(7): 3577-3588.
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  • 4WANG HUI-MING, YIN QINYE, XIA XIANG-GEN. Full diversity space-frequency codes for frequency asynchronous cooperative relay networks with linear receivers[J].IEEE Transcation on Communications, 2011, 59(1): 236-247.
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引证文献3

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电子与信息学报
2011年 第4期

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