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SqueezeNet-Based Range, Angle, and Doppler Estimation for Automotive MIMO Radar Systems

2022· article· en· W4283712750 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicRadar Systems and Signal Processing
Canadian institutionsRoyal Military College of Canada
Fundersnot available
KeywordsComputer scienceRadarContinuous-wave radarFast Fourier transformDoppler effectClutterRadar engineering detailsMIMOComputer visionArtificial intelligenceReal-time computingRadar imagingAlgorithmTelecommunicationsChannel (broadcasting)

Abstract

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The frequency modulated continuous waveform multiple - input multiple - output (FMCW MIMO) radar is of great interest to the automotive industry that provides high-end automobiles equipped with parking assistance, lane departure warning, and adaptive cruise control. These radars can simultaneously detect the range, angle, and doppler of the surrounding objects, such as cars, trucks, bicycles, and pedestrians and relay this information to the central control to provide a safe and collision-free cruise control for the self-driving vehicle. The traditional approach for the radar range, angle, and Doppler estimations is the Fast Fourier Transform (FFT)FFT which is computationally efficient but suffers from poor angular resolution. On the other hand, high-resolution techniques such as the Multiple SIgnal Classifier (MUSIC), the Estimation of Signal Parameters via Rotational Invariance Techniques (ESPRIT), and the Minimum Variance Distortionless Response (MVDR) can achieve more accurate estimations but are computationally expensive. Moreover, these high-resolution techniques are very sensitive to clutter and interferences and cannot effectively distinguish targets from clutters in such an environment. In this paper, we propose a deep-learning- based FMCW MIMO radar in which the range, angle, and Doppler estimation are treated as a multilabel classification problem. The deep - learning approach is based on the SqueezeNet transfer learning approach to overcome the limitations on the amount of training data and training time. Simulation results demonstrate that the proposed approach outperforms the MVDR method in the presence of clusters and jammers and can achieve a high angular resolution of 2 degrees.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.930
Threshold uncertainty score0.441

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.010
GPT teacher head0.208
Teacher spread0.198 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Quick stats

Citations2
Published2022
Admission routes1
Has abstractyes

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