Joint estimation of timing delay and multipath parameters using sequential Monte Carlo

L.V. Mahesh, K. Prabhu
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Abstract

The current paper addresses the problem of joint estimation of delay and multipath coefficients in a frequency selective fading channel. The channel and delay are modelled as first order auto regressive processes . Sequential Monte Carlo (SMC) methodology is applied to this joint estimation problem. SMC techniques are powerful tools to perform online inference of state variables of a complex probabilistic dynamic system. It is shown through simulations that this SMC based synchronizer tracks the delay and multipath channel coefficients efficiently
时序蒙特卡罗法的时序延迟和多径参数联合估计
本文研究了频率选择性衰落信道中时延和多径系数的联合估计问题。信道和延迟被建模为一阶自回归过程。将序贯蒙特卡罗(SMC)方法应用于该联合估计问题。SMC技术是实现复杂概率动态系统状态变量在线推理的有力工具。仿真结果表明,该同步器能有效地跟踪时延和多径信道系数
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