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      superimposed pilot
相关语句
  叠加导频
     Superimposed pilot based channel estimation and equalization for single carrier block transmission
     单载波块传输系统中基于叠加导频的信道估计与均衡
短句来源
     An Optimal Design Method of Superimposed Pilot in MIMO Systems
     一种MIMO系统中叠加导频的最优设计方法
短句来源
     Based on these results, we analyze the different optimization criterions for superimposed pilot and design the corresponding training sequences. Furthermore, the iterative joint channel estimation and signal detection is applied to improve the system performance.
     在此基础上分析了最优叠加导频序列的设计准则,依据不同的优化准则设计出相应的导频序列,并利用迭代的联合信道估计和信号检测算法来改善系统的性能。
短句来源
     In comparison with the multiplex training scheme,superimposed pilot has the advantage of efficient bandwidth and high information rate,thus become more and more attractive.
     与传统的复用式导频相比,叠加导频具有频带利用率高,传输效率高的优点,因而受到了广泛关注.
短句来源
     then an optimal design scheme of superimposed pilot for MIMO systems is proposed to achieve the optimized MSE,receive SINR and PAPR simultaneously;
     并进一步提出了一种叠加导频优化设计方法,使MIMO系统具有联合最优的信道估计均方误差,接收信干比和峰均功率比(Peak to Average Power Ratio).
短句来源
  相似匹配句对
     An Optimal Design Method of Superimposed Pilot in MIMO Systems
     一种MIMO系统中叠加导频的最优设计方法
短句来源
     The pilot's Log
     飞行员日志
短句来源
     On Superimposed Metallogenesis
     叠加成矿说
短句来源
     Superimposed pilot based channel estimation and equalization for single carrier block transmission
     单载波块传输系统中基于叠加导频的信道估计与均衡
短句来源
     SUPERIMPOSED FAULT AND ITS CLASSIFICATION
     叠加断裂及其分类
短句来源
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  superimposed pilot
In which, superimposed pilot scheme is adopted and an initial Channel State Information (CSI) is obtained by employing a first-order statistic.
例句来源      



         In this paper we propose two iterative algorithms of joint channel estimation and symbol detection for Orthogonal Frequency Division Multiplexing (OFDM) systems. In which, superimposed pilot scheme is adopted and an initial Channel State Information (CSI) is obtained by employing a first-order statistic. In each subsequent iteration, we propose two algorithms to update the CSI. The Mean Square Error (MSE) of channel estimation and Bit Error Rate (BER) performance are given and simulation results...
            In this paper we propose two iterative algorithms of joint channel estimation and symbol detection for Orthogonal Frequency Division Multiplexing (OFDM) systems. In which, superimposed pilot scheme is adopted and an initial Channel State Information (CSI) is obtained by employing a first-order statistic. In each subsequent iteration, we propose two algorithms to update the CSI. The Mean Square Error (MSE) of channel estimation and Bit Error Rate (BER) performance are given and simulation results...
文摘来源
         Channel state information (CSI) is of great importance to wireless communications. Due to its virtue of not taking any extra signal spectral and having high accuracy,superimposed-pilot-based channel estimation method has received more attention. Proceeding with the algorithm’s complexity,this paper analyzes the effects of different training sequences on the algorithm’s complexity and deduced a fast channel estimation algorithm using the property of circulant Toeplitz matrix when using PN sequenc...
            信道状态信息(CSI)对于无线通信来说至关重要,而叠加训练序列的信道估计方法由于不占用额外的信号带宽和具有较高的估计精度而受到人们的注意。本文从算法的复杂度入手,分析了不同的训练序列对算法复杂度的影响,并且在训练序列为PN序列下,利用循环Toeplitz矩阵的特性,得到了信道估计的快速算法。仿真实验的结果表明,这种算法不需要矩阵求逆、计算量小,估计精度高,有很大的实际应用前景。
文摘来源
         In comparison with the multiplex training scheme,superimposed pilot has the advantage of efficient bandwidth and high information rate,thus become more and more attractive.In this paper,the closed form expression of MSE and receive SINR as a function of pilot parameter is deduced,based on the first-order statistic channel estimation algorithm;then an optimal design scheme of superimposed pilot for MIMO systems is proposed to achieve the optimized MSE,receive SINR and PAPR simul...
            与传统的复用式导频相比,叠加导频具有频带利用率高,传输效率高的优点,因而受到了广泛关注.本文基于叠加导频常用的一阶统计量信道估计算法,推导了MIMO(Multiple-Input Multiple-Output)系统中叠加导频参数与信道估计均方误差(Mean Square Error)和接收信干比(Signal to Interference and Noise Ratio)的闭合表达式.并进一步提出了一种叠加导频优化设计方法,使MIMO系统具有联合最优的信道估计均方误差,接收信干比和峰均功率比(Peak to Average Power Ratio).仿真分析了导频参数与信道估计均方误差和接收信干比的关系,表明了优化设计的有效性.
文摘来源
 
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