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电子学报  2007 

联合波束成型分组排序线性离散码及其检测方法

, PP. 93-97

Keywords: 多天线系统,特征波束成型,分组排序线性离散码,干扰抑制与抵消,迭代解码

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Abstract:

针对多入多出(MIMO)相关信道,提出联合波束成型分组排序线性离散码(BO-JBLDC)及其解码方法.发送天线被分割成多个组,每组进行独立的线性离散码(LDC)编码来获得空分复用增益.采用发送和接收特征波束成型降低信道相关性的影响.提出新的后排序分组干扰抑制与抵消解码方法及其循环迭代机制,消除组间干扰,使得各组均获得满接收分集增益.结果显示BO-JBLDC能获得高频谱效率并适用于任意天线配置,尤其在大天线数、高速率情况下可以明显降低解码复杂度,提高编码增益.

References

[1]  D S Shiu,G J Foschini,M J Gans,et al.Fading correlation and its effect on the capacity of multielement antenna systems[J].IEEE Trans Wireless Commun,2000,48(3):502-513.
[2]  B Hassibi,B Hochwald.High-rate codes that are linear in space and time[J].IEEE Trans on Information Theory,2002,48(7):1804-1824.
[3]  S.Jafar,S.Vishwanath,A.Goldsmith.Channel capacity and beamforming formultiple transmit and receive antennas with covariance feedback[A].Proc.IEEE Int.Conf.Commun.[C].Helsinky,Finand.2001.2266-2270.
[4]  V Tarokh,A Naguib,N Seshadri,et al.Combined array processing and space-time coding[J].IEEE Trans.Inform.Theory,1999,45(5):1121-1128.
[5]  J Jalden,et al An exponential lower bound on the expected complexity of sphere decoding[A].IEEE Int.Conf.Acoustics,Speech,Signal Processing[C].Montreal,Canada.2004.393-396.
[6]  R W Heath Jr,A J Paulraj.Linear dispersion codes for MIMO systems based on frame theory[J].IEEE Tran.on signal processing,2002,50(10):2429-2441.
[7]  P W Wolniansky,et al.V-BLAST:an architecture for realizing very high data rates over the rich-scattering wireless channel[A].ISSSE 98[C].PISA,Italy,1998.295-300.
[8]  JIN Jiang,WANG Junfang,ZHU Guangxi.Optimal eigenbeamforming combined with orthogonal STBC and tCM in correlation fading channels[A].IEEE WiCNM 2005[C].Wuhan,China,2005:488-491.
[9]  W C Lee,Y Shin,H C Kim Block ordered JBSTBC scheme in highly correlated MIMO channels[A].IEEE Globecom 2003[C].New York,USA.2003.2079-2083.
[10]  Z Khan,T Arslan,J S Thompson,A T.Erdogan.A New Pipelined Implementation for Minimum Norm Sorting used in Square Root Algorithm for MIMO-VBLAST Systems[A].Design,Automation & Test in Europe Conference & Exhibition[C].Nice,Fance.2007.1569-1574.
[11]  X Wang,V Krishnamurthy,J Wang.Stochastic gradient algorithms for design of minimum error-rate linear dispersion codes in MIMO wireless systems[J].IEEE trans.on signal processing,2006,54(4):1242-1255.

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