2019
DOI: 10.1109/taes.2019.2907395
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Range Estimation and Range-Doppler Imaging Using Signed Measurements in LFMCW Radar

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Cited by 17 publications
(6 citation statements)
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“…Without loss of generality, we consider an LFMCW singleinput single-output radar. A simplified model for the received signal (after dechirping and pre-processing) is as follows (see e.g., [11]):…”
Section: A Lfmcw Radarmentioning
confidence: 99%
See 1 more Smart Citation
“…Without loss of generality, we consider an LFMCW singleinput single-output radar. A simplified model for the received signal (after dechirping and pre-processing) is as follows (see e.g., [11]):…”
Section: A Lfmcw Radarmentioning
confidence: 99%
“…One-bit sampling is a promising technique to mitigate the aforementioned ADC problems because of its low cost and low power consumption advantages. Due to these attractive properties, one-bit sampling has been considered for radar sensing [11,12], spectral estimation [13][14][15], as well as massive MIMO communications [16][17][18]. The conventional one-bit sampling considered in, e.g., [19][20][21], compares the original signal with a zero threshold, which results in a loss of signal amplitude information.…”
mentioning
confidence: 99%
“…The expectation maximization (EM) algorithm is incorporated to estimate the noise variance automatically for bit-depth greater than 1. In [22], based on signed measurements of LFMCW radar, range estimation and range-Doppler imaging are studied through the maximum likelihood approach. In order to reduce the computational complexity, a relaxation-based approach, referred to as the One-bit RELAX algorithm, is proposed, which uses the grid refinement to avoid grid mismatch issue.…”
Section: A Related Workmentioning
confidence: 99%
“…There have been several studies on radar systems that employ few-bit ADCs. For example, references 3,4,5 look at identifying targets and estimating parameters for frequency modulated continuous wave (FMCW) radars that use few-bit quantization. The issue of employing variable time thresholds for one-bit radar sensing is also covered in references 6,7 .…”
Section: Introductionmentioning
confidence: 99%