2017 25th European Signal Processing Conference (EUSIPCO) 2017
DOI: 10.23919/eusipco.2017.8081408
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Zadoff-Chu coded ultrasonic signal for accurate range estimation

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Cited by 19 publications
(20 citation statements)
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“…These sequences have constant-amplitude-and-zero-autocorrelation (CAZAC) property, which allows them to provide a high-accuracy TOF-based range estimation of a static target, using cross correlation [16]. However, as we will show in this section, random Doppler shifts tend to break the CAZAC property of the ZC sequences, especially for long sequences and/or high-velocity moving targets.…”
Section: Problem Formulationmentioning
confidence: 99%
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“…These sequences have constant-amplitude-and-zero-autocorrelation (CAZAC) property, which allows them to provide a high-accuracy TOF-based range estimation of a static target, using cross correlation [16]. However, as we will show in this section, random Doppler shifts tend to break the CAZAC property of the ZC sequences, especially for long sequences and/or high-velocity moving targets.…”
Section: Problem Formulationmentioning
confidence: 99%
“…and M, 0 < M < N is coprime with N. It can be shown that in the noiseless case, and under a fixed (i.e., constant over the duration of the ZC sequence) Doppler shift ν, the magnitude of the cross correlation r [n] between the complex envelope of the transmitted and received signal is given by [16] |r…”
Section: Problem Formulationmentioning
confidence: 99%
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“…donde T b es la duración del símbolo, cuya duración mínima depende del ancho de banda disponible BW = 2 T b [1]; Z r k es la secuencia ZC generada con la raíz r k de la k-ésima baliza; el pulso rectangular Π T b es igual a uno para 0 ≤ t ≤ T b y cero en cualquier otro caso; C k (t) es la portadora multiplicada por la ventana Hanning, y f k es el conjunto de frecuencias sobre las cuales se realizan los saltos. En Slow-FH, f k es cambiada cada L ZC muestras, mientras que en Fast-FH, se hace para cada bit de la secuencia.…”
Section: Modulación Por Salto De Frecuenciaunclassified
“…Las secuencias ZC son polifásicas de valores complejos, con amplitud unitaria constante, y auto-correlación (AC) cero para desplazamientos no nulos. Actualmente son utilizadas en el estándar de comunicaciones Long Term Evolution (LTE) [1].…”
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