未知数据符号线性调制带通信号同步参数估计的真Cramer-Rao界

2007 2nd IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing Pub Date : 2007-12-01 DOI:10.1109/CAMSAP.2007.4497957

N. Noels, M. Moeneclaey

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引用次数: 4

摘要

本文考虑用Cramer-Rao界(CRB)估计未知数据符号的线性调制波形的同步参数。关键思想是通过利用观测信号的特定结构来降低与CRB相关的计算复杂性。目前的贡献建立在以前的工作基础上，但在这种情况下，没有对数据符号进行分布假设。给出了CRB的广义封闭表达式，讨论了其计算复杂度，并给出了数值结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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True Cramer-Rao Bound for Estimating Synchronization Parameters from a Linearly Modulated Bandpass Signal with Unknown Data Symbols

This paper considers the Cramer-Rao bound (CRB) for estimating the synchronization parameters from a linearly modulated waveform with unknown data symbols. The key idea is to reduce the computational complexity associated with the CRB by exploiting the specific structure of the observed signal. The current contribution builds on previous work, but in this case, no distributional assumptions are made about the data symbols. A generalized closed-form expression of the CRB is presented, the resulting computational complexity is discussed, and numerical results are provided.

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2007 2nd IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing

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