MIMO干扰信道中基于非线性预编码的收发机设计
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摘要
针对多输入多输出(MIMO)干扰信道中存在的收发机间和数据流间的共信道干扰,提出一种基于非线性Tomlinson-Harashima预编码的收发机联合设计方法。以最小化系统总均方误差为目标函数,通过交替迭代寻找局部最优解,从而得到接收矩阵、发射预编码矩阵和反馈矩阵。仿真结果表明,该方法能够有效抑制MIMO干扰信道中的共信道干扰,尤其是在发射机发送满数据流时,具有比线性收发机联合设计方法更优的差错性能。
Aiming at the co-channel interference between transceivers and data streams in Multi-Input Multiple-Output( MIMO) interference channel,a joint nonlinear Tomlinson-Harashima Precoding( THP) transceiver design method is proposed to minimize the total M ean Square Error( M SE),and the local optimal solution is found by alternating iterations to obtain the receiver matrix,the transmit precoding matrix and the feedback matrix. Simulation results show that the proposed method can effectively suppress the co-channel interference in the M IM O interference channel,especially w hen the transmitter sends a full data stream,it can obtain better error performance than the joint linear transceiver design method.
Aiming at the co-channel interference between transceivers and data streams in Multi-Input Multiple-Output( MIMO) interference channel,a joint nonlinear Tomlinson-Harashima Precoding( THP) transceiver design method is proposed to minimize the total M ean Square Error( M SE),and the local optimal solution is found by alternating iterations to obtain the receiver matrix,the transmit precoding matrix and the feedback matrix. Simulation results show that the proposed method can effectively suppress the co-channel interference in the M IM O interference channel,especially w hen the transmitter sends a full data stream,it can obtain better error performance than the joint linear transceiver design method.
引文
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[6]田心记,李晓静.MIMO干扰信道中改进的干扰消除方法[J].计算机工程,2016,42(10):135-139.
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[9]MADDAH-ALI M A,MOTAHARI A S,KHANDANI A K.Communication over MIMO X channels:interference alignment,decomposition,and performance analysis[J].IEEETransactions on Information Theory,2008,54(8):3457-3470.
[10]SHEN Hui,LI Bin,TAO Meixia.MSE-based transceiver designs for the M IM O interference channel[J].IEEETransactions on Wireless Communications,2010,9(11):3480-3489.
[11]LIU Yafeng,DAI Yuhong,LUO Zhiquan.Max-min fairness linear transceiver design for a multi-user M IM Ointerference channel[J].IEEE Transactions on Signal Processing,2013,61(9):2413-2423.
[12]SHIN J,MOON J.Weighted-sum-rate-maximizing linear transceiver filters for the k-user M IM O interference channel[J].IEEE Transactions on Communications,2012,60(10):2776-2783.
[13]GENG Xuan,AN Bowen,LIU Feng,et al.Robust THPtransceiver design for M IM O interference channel[J].IEEE Communications Letters,2015,19(9):1640-1643.
[14]贾蓉.MIMO系统中的非线性预编码技术研究[D].成都:电子科技大学,2009.
[15]WINDPASSINGER C,FISCHER R F H,VENCEL T,et al.Precoding in multiantenna and multiuser communications[J].IEEE Transactions on Wireless Communications,2004,3(4):1305-1316.
[16]张贤达.矩阵分析与应用[M].北京:清华大学出版社,2013.
[2]张艳语,朱义君,张水莲.分布式MIMO系统容量最优的预编码设计[J].计算机工程,2012,38(15):74-76.
[3]KAN Haibin,HONG Shen.A counter example for the open problem on the minimal delays of orthogonal designs w ith maximal rates[J].IEEE Transactions on Information Theory,2005,51(1):355-359.
[4]LI Yuan,KAN Haibin.Complex orthogonal designs with forbidden 2×2 submatrices[J].IEEE Transactions on Information Theory,2012,58(7):4825-4836.
[5]LIU Xiaodong,LI Yuan,KAN Haibin.On the minimum decoding delay of balanced complex orthogonal designs[J].IEEE Transactions on Information Theory,2014,61(1):696-699.
[6]田心记,李晓静.MIMO干扰信道中改进的干扰消除方法[J].计算机工程,2016,42(10):135-139.
[7]CARLEIAL A.Interference channels[J].IEEE Transactions on Information Theory,1978,24(1):60-70.
[8]CADAMBE V R,JAFAR S A.Interference alignment and degrees of freedom of the k-user interference channel[J].IEEE Transactions on Information Theory,2008,54(8):3425-3441.
[9]MADDAH-ALI M A,MOTAHARI A S,KHANDANI A K.Communication over MIMO X channels:interference alignment,decomposition,and performance analysis[J].IEEETransactions on Information Theory,2008,54(8):3457-3470.
[10]SHEN Hui,LI Bin,TAO Meixia.MSE-based transceiver designs for the M IM O interference channel[J].IEEETransactions on Wireless Communications,2010,9(11):3480-3489.
[11]LIU Yafeng,DAI Yuhong,LUO Zhiquan.Max-min fairness linear transceiver design for a multi-user M IM Ointerference channel[J].IEEE Transactions on Signal Processing,2013,61(9):2413-2423.
[12]SHIN J,MOON J.Weighted-sum-rate-maximizing linear transceiver filters for the k-user M IM O interference channel[J].IEEE Transactions on Communications,2012,60(10):2776-2783.
[13]GENG Xuan,AN Bowen,LIU Feng,et al.Robust THPtransceiver design for M IM O interference channel[J].IEEE Communications Letters,2015,19(9):1640-1643.
[14]贾蓉.MIMO系统中的非线性预编码技术研究[D].成都:电子科技大学,2009.
[15]WINDPASSINGER C,FISCHER R F H,VENCEL T,et al.Precoding in multiantenna and multiuser communications[J].IEEE Transactions on Wireless Communications,2004,3(4):1305-1316.
[16]张贤达.矩阵分析与应用[M].北京:清华大学出版社,2013.