Robust Pointing Error Compensation Technique Based on Rooting Method for CDMA Signals

Cheng-Han Hsu; Meng-Chang Hua; Hsin-Chin Liu

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Robust Pointing Error Compensation Technique Based on Rooting Method for CDMA Signals

机译：基于Root算法的鲁棒指向误差补偿技术

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摘要

A robust pointing error compensated algorithm for code-division multiple access (CDMA) signals is proposed. Theoretically, minimum variance distortionless response (MVDR) beam-former can achieve the maximum power. However, it is very sensitive to pointing error for the large SNR. In order to deal with the desired signal cancellation problem, the differential rooting method is used to estimate the pointing errors and self-compensate them. Since the proposed method can reduce the estimated pointing error, it performs better than the conventional rooting method and the spectrum searching method in high signal to noise ratio (SNR) and large multiple access interference (MAI) scenarios. Several computer simulations are provided to illustrate the effectiveness of the proposed method.

机译：提出了一种用于码分多址（CDMA）信号的鲁棒的指向误差补偿算法。从理论上讲，最小方差无失真响应（MVDR）波束形成器可以实现最大功率。但是，对于较大的SNR，它对指向误差非常敏感。为了处理期望的信号消除问题，差分生根方法用于估计指向误差并对其进行自我补偿。由于该方法可以减少估计的指向误差，因此在高信噪比（SNR）和较大的多址干扰（MAI）情况下，其性能优于常规的生根方法和频谱搜索方法。提供了几种计算机仿真来说明所提出方法的有效性。

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来源
《The mediterranean journal of electronics and communications》 |2013年第3期|558-563|共6页
作者
Cheng-Han Hsu; Meng-Chang Hua; Hsin-Chin Liu;
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作者单位

Department of Electrical Engineering National Taiwan University of Science and Technology, Taipei 106, Taiwan;

Department of Electrical Engineering National Taiwan University of Science and Technology, Taipei 106, Taiwan;

Department of Electrical Engineering National Taiwan University of Science and Technology, Taipei 106, Taiwan;

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正文语种 eng
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关键词
code division multiple access; pointing error; minimum variance distortionless response; multiple access interference;

机译：码分多址;指向错误;最小方差无失真响应;多址干扰;

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1. Robust Mvdr Beamforming Via Polynomial Rooting Calibration For Cdma Signals [J] . Ann, Chen CHANG, Chun HSU, IEICE Transactions on Communications . 2007,第11期

机译：通过多项生根校准对Cdma信号进行稳健的Mvdr波束成形
2. Spectrum Compensation Method for Speech Signals Based on Prediction Error Filtering [J] . ARIFOUR RAHMAN, YOSUKE SUGIURA, TETSUYA SHIMAMURA WSEAS transactions on systems and control . 2017,第期

机译：基于预测误差滤波的语音信号频谱补偿方法
3. Filtering Methods for Frequency-Modulated Signals Based on the Robust Amplitude Estimation and Clipping Technique [J] . A.A. Royenko Telecommunications and Radio Engineering . 2006,第19期

机译：基于稳健幅度估计和削波技术的调频信号滤波方法
4. Robust pointing error compensation technique based on rooting method for CDMA signals [C] . Cheng-Han Hsu, Meng-Chang Hua, Hao-Han Hsu, 2012 8th International Symposium on Communication Systems, Networks amp; Digital Signal Processing . 2012

机译：基于生根法的CDMA信号鲁棒指向误差补偿技术
5. Robust Recognition of Binaural Speech Signals Using Techniques Based on Human Auditory Processing [D] . Menon, Anjali I. 2019

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6. Simulation of an optimized technique based on DS-CDMA for simultaneous transmission of multichannel biosignals [O] . Daniel Tchiotsop, Adélaïde Nicole Kengnou Telem, Didier Wolf, 2017

机译：基于DS-CDMA的同时传输多通道生物信号的优化技术的仿真
7. Accurate transmission of time and frequency signals over optical fibers based on WDM and two way optical compensation techniques [O] . Yang F(杨飞), Xu D(徐丹), Liu Q(刘琴), 2013

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Robust Pointing Error Compensation Technique Based on Rooting Method for CDMA Signals

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