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分布式无线通信系统中协同传输预编码方法分析 被引量：2

Analysis of coordinated transmission pre-coding in distributed wireless communication system
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摘要 在分布式无线移动通信多点协同传输系统中,对于小区边缘用户而言,信道质量的恶化将导致系统接收性能的下降,为此,可以使用协同编码处理以提高接收质量。提出了一种协同传输联合预编码方法,系统针对协同的远端天线单元(RAU)进行联合处理,各RAU根据信道状态信息好坏采用不同的预编规则对同一用户发送数据,而在接收端使用最大比合并的方式对各链路信号进行处理。仿真实验结果表明,该方法能有效地改善用户的误码率性能,提高传输可靠性。 In distributed wireless communication and Coordinated Multi-Point（CoMP） system,the deterioration of channel quality seriously affect the system receptivity of edge users,and therefore the coordinated coding processing is used to improve the quality of reception.A coordinated transmission and joint pre-coding method was proposed in this paper.Coordinated Remote Antenna Units（RAU） were processed jointly.According to the state information of channel,different pre-coding rules were adopted by each RAU to transmit data to the same user.A Maximal-Ratio Combining（MRC） algorithm was used to calculate the received signals of terminals.The simulation results show that the proposed method can effectively decrease the Bit Error Rate（BER） and improve the transmission reliability.
作者 杨军 张正孝 李敏之 蒋占军
机构地区 兰州交通大学研究生学院 兰州交通大学电子与信息工程学院 东南大学移动通信国家重点实验室
出处 《计算机应用》 CSCD 北大核心 2012年第4期910-912,共3页 journal of Computer Applications
基金 教育部高等学校博士学科点专项科研基金资助项目(20106204120002) 甘肃省高等学校基本科研业务费资助项目(20996) 兰州交通大学"青蓝"人才工程基金资助项目(152006) 东南大学移动通信国家重点实验室开放研究基金资助项目(W20091)
关键词 协同多点 分布式无线通信网络 远端天线单元 预编码 误码率 Coordinated Multi-Point（CoMP） distributed radio mobile communications network Remote Antenna Unit（RAU） pre-coding Bit Error Rate（BER）
分类号 TN929.5 [电子电信—通信与信息系统]
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参考文献7

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二级参考文献10

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共引文献9

同被引文献23

  • 1蒋占军,赵新胜,尤肖虎.一种分布式无线移动通信系统中远端天线单元动态选择模型[J].电子与信息学报,2007,29(2):305-309. 被引量：9
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引证文献2

二级引证文献2

计算机应用
2012年 第4期

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