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提高MIMO信道BER性能的干扰对齐方案 被引量：3

Interference Alignment Scheme for Improving BER Performance of MIMO Channel
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摘要 为提高多输入多输出(MIMO)X信道的比特误码率(BER)性能,提出一种干扰对齐方案。在发送端将数据按照Alamouti编码方案重复发送,在接收端通过重新配置天线工作模式改变信道系数,构成具有正交结构的等效信道矩阵,通过矩阵运算消除干扰,并采用低复杂度的PIC群译码算法进行译码。仿真结果验证了该方案的有效性。 To improve the Bit Error Rate（BER） performance of Multi Input Multi Output（MIMO） X channel, this paper proposes an Interference Alignment（IA） scheme. It transmits data symbols according to Alamouti scheme at senders, and changes the operation mode of reconfigurable antennas at receivers. The final equivalent channel matrix is orthogonal, thus interference can be eliminated through matrix operation, and low complexity Partial Interference Cancellation（PIC） group decoding can be employed. Simulation results proves the validity of the scheme.
作者 周强 吴玉成
机构地区 重庆大学通信工程学院
出处 《计算机工程》 CAS CSCD 2012年第8期54-56,共3页 Computer Engineering
基金 国家自然科学基金资助项目(60872038) 中国博士后科学基金资助项目(20090450787) 中央高校基本科研业务费基金资助项目(CDJXS10160003)
关键词 多输入多输出 X信道 干扰对齐 自由度 比特误码率 Multi Input Multi Output(MIMO) X channel Interference Alignment(IA) Degree of Freedom(DoF) Bit Error Rate(BER)
分类号 TN919.3 [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21

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共引文献17

同被引文献30

  • 1MA Peng-fei ZHENG Kan WANG Wen-bo.Multiuser beamforming based on max SINR for downlink spatial multiplexing MIMO[J].The Journal of China Universities of Posts and Telecommunications,2007,14(3):28-33. 被引量：3
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引证文献3

二级引证文献1

计算机工程
2012年 第8期

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