Impact of Bandwidth on Range Resolution of Multiple Targets Using Photonic Radar

Sharma, Abhishek; Chaudhary, Sushank; Malhotra, Jyoteesh; Parnianifard, Amir; Kumar, Santosh; Wuttisittikulkij, Lunchakorn

doi:10.1109/access.2022.3171255

Cited by 16 publications

(5 citation statements)

References 41 publications

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“…Utilizing photonic frequency quadrupling and advanced signal processing, the radar successfully detected a low-RCS drone at a distance of 2.7 km in field experiments, demonstrating its potential for enhanced surveillance. In another ground-breaking study [33], researchers proposed a cost-effective Photonic Radar for future transportation, integrating Frequency Modulated Continuous Wave technology. Utilizing Wavelength and Polarization Division Multiplexing, the system demonstrated the efficient detection of multiple targets through numerical simulations.…”

Section: Introductionmentioning

confidence: 99%

Advancing Sustainable Marine Exploration: Highly Efficient Photonic Radar for Underwater Navigation Systems under the Impact of Different Salinity Levels

Aldawoodi,

Bilge

2024

Sustainability

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The exploration of underwater environments for applications like environmental monitoring, scientific research, and surveillance has propelled the significance of underwater wireless navigation. Light waves have emerged as a promising solution, offering the potential to achieve the required data rates and propagation speeds. However, underwater optical wireless navigation faces challenges, particularly limited range. This research investigates a novel FMCW (frequency-modulated continuous wave)-based photonic radar system’s efficacy in detecting underwater vehicles across diverse salinity levels and distances. Numerical simulation evaluations reveal distinct signal-to-noise ratios (SNR) and detected power peaks corresponding to varying salinity levels, demonstrating the system’s sensitivity. At 5 g/L salinity, the detected power peaked at −95 dBm, decreasing to −105 dBm at 15 g/L. SNR analysis indicates robust detection within a 4 m range, with challenges emerging at extended ranges and higher salinity. Despite these challenges, the system shows promise for near-range underwater navigation, contributing to sustainable marine exploration by enhancing the accuracy and efficiency of underwater monitoring systems. This advancement aligns with the goals of sustainable development by supporting the protection of marine ecosystems, promoting scientific understanding of underwater environments, and aiding in the sustainable management of marine resources.

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Section: Introductionmentioning

confidence: 99%

Advancing Sustainable Marine Exploration: Highly Efficient Photonic Radar for Underwater Navigation Systems under the Impact of Different Salinity Levels

Aldawoodi,

Bilge

2024

Sustainability

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“…It has feasible deployment due to less power use, high security, and excessive information data rates and can be implemented in remote geographical locations [5,6]. Due to these reasons, the FSO transmission has found its application in terrestrial transmission, inter-satellite links, and in photonic radars [7][8][9][10][11][12][13][14][15][16]. However, external weather conditions that change dynamically such as rain, haze, and fog weaken the optical signal during transmission owing to signal power absorption and scattering, decreasing the quality of the received signal [17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Design of a High-Speed OFDM-SAC-OCDMA-Based FSO System Using EDW Codes for Supporting 5G Data Services and Smart City Applications

Singh

Kříž²,

Kamruzzaman³

et al. 2022

Front. Phys.

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A novel free space optics (FSO) system is introduced in this article by combining orthogonal frequency division multiplexing (OFDM) with spectral amplitude coding optical code division multiple access (SAC-OCDMA) to be implemented in 5G technology and smart cities. Enhanced double-weight (EDW) codes are used as signature codes, while for the detection technique, single photodiode detection (SPD) is applied for the SAC-OCDMA system. OFDM with a four-quadrature amplitude modulation (4-QAM) scheme is assigned to the three users in the SAC-OCDMA system, each carrying 15 Gbps. Adverse weather conditions, such as clear, fog, haze, rain, and dust storm, that affect the FSO channel are considered. The performance of the proposed system is evaluated in terms of log of bit error rate and received power at different propagation distances. The simulation results show successful transmission of 3 × 15 Gbps with a propagation range of 3.45 km under clear air and 1.316, 1.045, and 0.7 km under rain conditions (light, medium, and heavy rain) with a received power of −12.6 dBm. As for haze conditions, the range and received power are 2.391 km with −13 dBm for low haze, 1.591 km with −12.7 dBm for medium haze, and 1.025 km with −12.6 dBm for heavy haze. The range is reduced and becomes 1.085, 0.784, and 0.645 km under fog conditions (light, medium, and heavy fog) with −12.6 dBm received power. Furthermore, the system achieved a range of 0.681, 0.232, and 0.102 km under dust conditions (light, medium, and heavy dust) with a received power of −16 dBm.

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“…In [15] researchers studied the FMCW-based photonic radar in coherent detection with operation bandwidth of 600 MHz. Authors [16]discussed the impact of bandwidth variations on the range resolution of photonic radar. Another study [17] discusses the Doppler rage measurement using polarization division multiplexing based FMCW photonic radar.…”

Section: Introductionmentioning

confidence: 99%

Speed-Direction Sensing under Multiple Vehicles Scenario Using燩hotonic燫adars

Sharma¹,

Chaudhary²,

Malhotra³

et al. 2022

Computers, Materials &Amp; Continua

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Recent reports from World Health Organization (WHO) show the impact of human negligence as a serious concern for road accidents and casualties worldwide. There are number of reasons which led to this negligence; hence, need of intelligent transportation system (ITS) gains more attention from researchers worldwide. For achieving such autonomy different sensors are involved in autonomous vehicles which can sense road conditions and warn the control system about possible hazards. This work is focused on designing one such sensor system which can detect and range multiple targets under the impact of adverse atmospheric conditions. A high-speed Linear Frequency Modulated Continuous Wave (LFMCW) based Photonic Radar is proposed to detect multiple targets by integrating Mode division multiplexing (MDM). Reported results in terms of range frequency, Doppler frequency and range resolution are demonstrated using numerical simulations with the bandwidths of 1 and 4 GHz and under adverse atmospheric conditions carrying 75 dB/km of attenuation. To prove the effectiveness of the proposed photonic radar, moving targets are also demonstrated with different speed. System reported substantial range resolution of 15 cm using 1 GHz of bandwidth and 3 cm using 4 GHz of bandwidth.

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Impact of Bandwidth on Range Resolution of Multiple Targets Using Photonic Radar

Cited by 16 publications

References 41 publications

Advancing Sustainable Marine Exploration: Highly Efficient Photonic Radar for Underwater Navigation Systems under the Impact of Different Salinity Levels

Advancing Sustainable Marine Exploration: Highly Efficient Photonic Radar for Underwater Navigation Systems under the Impact of Different Salinity Levels

Design of a High-Speed OFDM-SAC-OCDMA-Based FSO System Using EDW Codes for Supporting 5G Data Services and Smart City Applications

Speed-Direction Sensing under Multiple Vehicles Scenario Using燩hotonic燫adars

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