A portable SIMO radar for through wall detection and imaging

Boutte, David; Lee, Hua; Radzicki, Vincent R.; Hunt, Allan

doi:10.1109/milcom.2015.7357443

Cited by 3 publications

(3 citation statements)

References 7 publications

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“…Compared to the large bandwidth characteristics presented in [15] and [24], the proposed radar works in the microwave S-band with a bandwidth of only 320 MHz, which qualifies its range resolution as acceptable for practical applications. Second, compared to the 2-D FFT imaging used in the UWB throughwall radar proposed in [20], this system adopted an efficient time-frequency correlation positioning method, which significantly simplified the signal processing complexity and increased the resolution in the longitudinal and crossrange directions of the radar coordinate system. Third, in contrast to the method of adopting long observation times to obtain high Doppler frequency resolution, such as was done in [16], [21], and [26], the main task of this system was to detect slow-moving targets rather than perform Doppler frequency measurements.…”

Section: Field Test and Discussion Of Resultsmentioning

confidence: 99%

“…An ultra-wideband (UWB) through-wall radar using an SF signal and a SIMO layout was proposed in [20]. This system was composed of two master/slave radars with eight switchable antenna channels.…”

Section: Introductionmentioning

confidence: 99%

“…First, a miniaturized radar system with simplified hardware construction is proposed. Compared to the antenna switching scheme used in [20], all transmit and receive RF channels are integrated into a small metallic casing. Because all channels receive simultaneously, five groups of echoes can be sampled in one measurement.…”

Section: Introductionmentioning

confidence: 99%

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Enhanced SIMO Radar System Based on Time-Frequency Correlation for Target Localization Applications

Zou¹,

Wang²,

Zhang³

et al. 2022

RADIOENGINEERING

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This study developed a novel S-band radar system for planar location applications. High-resolution range imaging and target angle estimation were achieved by using a stepped frequency continuous wave (SFCW) signal and single input multiple output (SIMO) architecture with a linear sparse array layout, respectively. An improved time-frequency method was utilized to link the independent range profile and angle spectrum results to obtain the plane positions of the targets. The radar hardware was composed of the antenna array with one transmit element and five receive elements, an RF transceiver, and a signal processing component. Under the proposed waveform parameters and signal processing scheme, a 16-ms process cycle, 0.3-m ranging error, and 0.4° angle estimation error for target positioning were achieved in field tests. These results demonstrate the effectiveness and advantages of the proposed radar system.

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