Binary-Phase vs. Frequency Modulated Radar Measured Performances for Automotive Applications
Abstract
:1. Introduction
2. FMCW and Binary-PMCW Radar Signals Description
2.1. FMCW Radar
2.2. Binary-PMCW Radar
3. FMCW and Binary-PMCW Systems Description
3.1. FMCW
3.2. Binary-PMCW
4. FMCW and binary-PMCW Radar Parameters Description
4.1. FMCW
4.2. Binary-PMCW Complementary Code Sequences
4.3. Binary-PMCW
4.4. Power Budget Analysis
5. Test Results
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Symbol | Description | Value |
---|---|---|
B | Bandwidth | 250 MHz |
Chirp Duration | 50 μs | |
S | Slope | 6.85 MHz/s |
number of range FFT samples | 1024 | |
N | Number of chirps per TX | 64 |
Sampling frequency | 7 MHz | |
Frame repetition rate | 100 ms | |
Range resolution | 0.6 m | |
Range accuracy | 0.15 m | |
Max unambiguous range | 150 m | |
Velocity resolution | 0.6 m/s | |
Max unambiguous velocity | 19.2 m/s |
Code Length | Code | Complement |
---|---|---|
… | … | … |
Symbol | Description | Value |
---|---|---|
B | Bandwidth | 250 MHz |
Chip Duration | 4 ns | |
N | Number of chip in a sequence | 256 |
Number of complementary pair | 64 | |
Sampling frequency | 1 GHz | |
Frame repetition rate | 100 ms | |
Range resolution | 0.6 m | |
Range accuracy | 0.15 m | |
Velocity resolution | 0.6 m/s | |
Max unambiguous velocity | 19.2 m/s |
Description | Value |
---|---|
Max peak attenuation | 3 dB |
Sidelobes suppression | 35 dB |
Peak widening factor | 2 |
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Caffa, M.; Biletta, F.; Maggiora, R. Binary-Phase vs. Frequency Modulated Radar Measured Performances for Automotive Applications. Sensors 2023, 23, 5271. https://doi.org/10.3390/s23115271
Caffa M, Biletta F, Maggiora R. Binary-Phase vs. Frequency Modulated Radar Measured Performances for Automotive Applications. Sensors. 2023; 23(11):5271. https://doi.org/10.3390/s23115271
Chicago/Turabian StyleCaffa, Mattia, Francesco Biletta, and Riccardo Maggiora. 2023. "Binary-Phase vs. Frequency Modulated Radar Measured Performances for Automotive Applications" Sensors 23, no. 11: 5271. https://doi.org/10.3390/s23115271