期刊文献+

基于迭代联合信道估计的联合检测算法

下载PDF
导出
摘要 在单天线干扰消除中,联合最大似然检测算法需要事先获得各同频信号的信道矢量。移动通信中,信道时变特性以及同频小区的异步特性成为了干扰条件下信道估计的巨大障碍。针对蜂窝移动通信中联合检测受限于信道估计精度的问题,提出了一种利用检测序列反馈辅助信道估计的迭代算法,实现了联合信道估计,通过多次迭代逐步改善信道估计精度和检测性能;同时,给出一种自适应选取迭代次数的算法,以降低算法的复杂度。仿真表明,迭代算法有效地解决了异步系统时变信道下的信道估计和联合检测问题,其误码率可以逼近数据已知情况下的检测性能。
出处 《电信技术研究》 2015年第2期9-16,共8页 Research on telecommunication technology
  • 相关文献

参考文献15

  • 1Hoeher P A,Badri-Hoeher S,Wen Xu,et al.Single -antenna co-channel interference cancellation for TDMA cellular radio systems[J].IEEE Wireless Communications,2005,12(2):30-37.
  • 2Mostafa A,Kobylinski R,Kostanic I,et antenna interference cancellation (SAIC) al.Single for GSM networks[C].Vehicular Technology Confer- ence,2003:1089-1093.
  • 3Trigui H,Slock D T M.Cochannel interference cancellation within the current GSM stand- ard[C].Proc.of International Conference on Per- sonal Communications (ICUPC '98), 1998:511-515.
  • 4Ranta P A,Hottinen A,Honkasalo Z C.Co-channel interference cancelling receiver for TDMA mobile systems[C].Proc.IEEE ICC, 1995:17-21.
  • 5Nickel P, Gerstacker W, Koch W.Cochannel inter- ference cancellation using optimized joint equali- zation[C].IEEE International Conference on Tele- communications and Malaysia International Con- ference on Communications,2007:450-454.
  • 6万坚,涂世龙,廖灿辉,等.通信混合信号盲分离理论与技术[M].北京:国防工业出版社,2012:88-90.
  • 73GPETS 05.02 v8.9.0-1999 Multiplexing and mul- tiple access on the radio path[S].France:3GPP Or- ganizational Partners,200 1.
  • 8Grant S J,Cavers J K.Multiuser channel estimation for detection of cochannelsignals[J].IEEE Trans Communications,2001,49( 10): 1845-1855.
  • 9Zhigang T, Guo W B,Yang D C.Evaluation of si ngle antenna interference cancellation in synch-ronous GSM system[C].Proceeding of IEEE AP- CC/MDMC'04 confenrence,The joint conference of 10th Asia-Pacific Conference on Communic- ations and 5th International Symposium on Multi-Dimensional Mobile Communications,2004 489-493.
  • 10Schoeneich H,Hoeher P A.Single antenna interf- erence cancellation:iterative semi-blind algorith- m and performance bound for joint maximum-l- ikelihood interference cancellation[C].Global Tel ecommunications Conference,2003:1716-1720.

二级参考文献11

  • 1万坚,李明,朱中梁.一种新型卫星多址方式的分离新算法[J].系统仿真学报,2006,18(7):1799-1801. 被引量:7
  • 2万坚,许华,朱中梁.基于独立分量分析的成对载波多址分离新算法[J].通信学报,2006,27(8):41-44. 被引量:14
  • 3付迪,高勇.非对称PCMA卫星信号的截获方法[J].现代电子技术,2007,30(7):28-30. 被引量:22
  • 4KUBO H MURAKAMI K,FUJINO T.An adaptive maximum-likelihood sequence estimator for fast time-varying intersymbol interference channels[J].IEEE Trans Commun,1994,42(2/3/4):1872-1880.
  • 5RAHELI R,POLYDOROS A,TZOU C k.Per-survivor processing:a general approagh to MLSE in uncertain environments[J].IEEE Trans Commun,1995,43(2/3/4):354-364.
  • 6JOO J S,HONG S C,LEE Y H.Adaptive MLSE receiver:hybrid of per-survivor processing and tentative decision MLSE[J].IEEE Electronic Letters,2000,36(7):678-680.
  • 7MENGALI U,MORELLI M.Data-aided frequency estimation for burst digital transmission[J].IEEE Trans Commun,1991,45(1):23-25.
  • 8GITLIN R D,WEINSTRIN S B.Fractionally-spaced equalization:an improved digital transversal equalizer[J].Bell Systems Technical Journal,1981,60:275-296.
  • 9CHUGG K M,POLYDOROS A.MLSE for an unknown channel-part II:tracking performance[J].IEEE Trans on Commu,1996,44(8):949-958.
  • 10MARK D.Paired carrier multiple access(PCMA) for satellite communication[A].Pacific Telecommunications Conference[C].Honolulu,Hawaii,1998.787-791.

共引文献32

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部