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STBC MPSK系统误码率的闭式解 被引量：3

Closed-Form Solutions for Symbol Error Rate of STBC MPSK
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摘要 推导了MPSK调制空时分组码(STBC)系统误码率(SER)的闭式解,并通过仿真对理论误码率进行了分析和验证。通过两种不同的方法,我们分别得到了两发射天线的STBC系统在理想信道估计和存在信道估计误差条件下的理论误码率。仿真表明实际误码率和理论结果非常吻合,所以得到的STBC误码率的闭式解可以作为系统性能评估的精确标准。采用导频码辅助信道估计时,估计误差导致STBCMPSK系统误码率性能损失2～3dB。 The closed-form solutions for symbol error rate （SER） of Space-Time Block Code （STBC） MPSK systems were derived. With two different methods, the exact expressions of SER were obtained for （2,m） STBC with and without channel estimation error. Simulations show that the practical error rates accord with the proposed theoretical ones, so the closed-form SER of STBC is an accurate reference for performance evaluation. For the error of pilot assisted channel estimation, the performance of an STBC system using Alamouti scheme is deteriorated 2-3 dB.
作者 胡咸斌 益晓新
机构地区 解放军理工大学通信工程学院
出处 《系统仿真学报》 EI CAS CSCD 北大核心 2006年第5期1297-1300,共4页 Journal of System Simulation
关键词 空时分组码 误码率 闭式解 发射分集 信道估计误差 通信仿真 STBC symbol error rate closed-form solution transmitter diversity channel estimation error communication simulation
分类号 TP391.9 [自动化与计算机技术—计算机应用技术] TN911.22 [电子电信—通信与信息系统]
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参考文献10

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同被引文献27

  • 1赖国庭,尹俊勋,喻华文.莱斯快衰落信道下差分酉空时调制的性能[J].系统仿真学报,2006,18(11):3238-3241. 被引量：1
  • 2徐峰,岳殿武,张颖.正交空时分组码近似性能分析[J].北京邮电大学学报,2007,30(3):6-10. 被引量：2
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  • 10Tarokh V, Jafarkhani H, Calderbank A R. Space-Time Block Coding for Wireless Communications: Performance Results [J]. IEEE Journal Selected Areas in Communication (S0733-8716), 1999, 17(3): 451-460.

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系统仿真学报
2006年 第5期

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