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Combining unmanned aerial vehicle (UAV) with through-the-wall radar can realize moving targets detection in complex building scenes. However, clutters generated by obstacles and static objects are always stronger and non-stationary, which…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Xiaodong Qu , Xiaolong Sun , Feiyang Liu , Hao Zhang , Shichao Zhong , Xiaopeng Yang

In this work, we exploit the radar clutter (i.e., the ensemble of echoes generated by the terrain and/or the surrounding objects in response to the signal emitted by a radar transmitter) as a carrier signal to enable an ambient backscatter…

Signal Processing · Electrical Eng. & Systems 2023-04-07 Luca Venturino , Emanuele Grossi , Marco Lops , Jeremy Johnston , Xiaodong Wang

Slow-moving vehicles relying on crustal magnetic anomaly navigation (MagNav) or vehicles revisiting the same location in a short time - such as those used for surveys in magnetic anomaly mapping - require fixed ground stations within 100 km…

Computational Engineering, Finance, and Science · Computer Science 2025-10-20 Anutam Srinivasan , Aaron Nielsen

Despite an emerging interest in MIMO radar, the utilization of its complementary strengths in combination with optical depth sensors has so far been limited to far-field applications, due to the challenges that arise from mutual sensor…

In distributed radar systems, when several transmitters radiate simultaneously, the reflected signals need to be distinguished at the receivers to detect various targets. If the transmit signals are in different frequency bands, they…

Signal Processing · Electrical Eng. & Systems 2024-01-02 Gokularam Muthukrishnan , S. Sruti , K. Giridhar

Accurate understanding of electromagnetic propagation properties in real environments is necessary for efficient design and deployment of cellular systems. In this paper, we show a method to estimate high-resolution channel parameters with…

Signal Processing · Electrical Eng. & Systems 2023-04-05 Junshi Chen , Russ Whiton , Xuhong Li , Fredrik Tufvesson

A novel framework to enhance the angular resolution of automotive radars is proposed. An approach to enlarge the antenna aperture using artificial neural networks is developed using a self-supervised learning scheme. Data from a high…

Signal Processing · Electrical Eng. & Systems 2023-04-26 Ignacio Roldan , Francesco Fioranelli , Alexander Yarovoy

We present a compressive radar design that combines multitone linear frequency modulated (LFM) waveforms in the transmitter with a classical stretch processor and sub-Nyquist sampling in the receiver. The proposed compressive illumination…

Information Theory · Computer Science 2022-04-13 Nithin Sugavanam , Siddharth Baskar , Emre Ertin

This paper provides a comprehensive analysis and theoretical foundation for next-generation backscatter networks that move beyond communication and integrate RF location sensing capabilities. An end-to-end system model for wideband OFDM…

Using an amalgamation of techniques from classical radar, computer vision, and deep learning, we characterize our ongoing data-driven approach to space-time adaptive processing (STAP) radar. We generate a rich example dataset of received…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Shyam Venkatasubramanian , Chayut Wongkamthong , Mohammadreza Soltani , Bosung Kang , Sandeep Gogineni , Ali Pezeshki , Muralidhar Rangaswamy , Vahid Tarokh

Automotive synthetic aperture radar (SAR) systems are rapidly emerging as a candidate technological solution to enable a high-resolution environment mapping for autonomous driving. Compared to lidars and cameras, automotive-legacy radars…

Coherent multistatic radio imaging represents a pivotal opportunity for forthcoming wireless networks, which involves distributed nodes cooperating to achieve accurate sensing resolution and robustness. This paper delves into cooperative…

Multiple extended target tracking (ETT) has gained increasing attention due to the development of high-precision LiDAR and radar sensors in automotive applications. For LiDAR point cloud-based vehicle tracking, this paper presents a…

Signal Processing · Electrical Eng. & Systems 2024-05-21 Guanhua Ding , Jianan Liu , Yuxuan Xia , Tao Huang , Bing Zhu , Jinping Sun

Safe mobility for unmanned ground vehicles requires reliable detection of other vehicles, along with precise estimates of their locations and trajectories. Here we describe the algorithms and system we have developed for accurate trajectory…

Robotics · Computer Science 2017-09-26 Daniel Morris , Paul Haley , William Zachar , Steve McLean

Automotive radars at the Terahertz (THz) frequency band have the potential to be compact and lightweight while providing high (nearly-optical) angular resolution. In this paper, we propose a bistatic THz automotive radar that employs the…

Signal Processing · Electrical Eng. & Systems 2023-02-03 Sangeeta Bhattacharjee , Kumar Vijay Mishra , Ramesh Annavajjala , Chandra R. Murthy

Consistent motion estimation is fundamental for all mobile autonomous systems. While this sounds like an easy task, often, it is not the case because of changing environmental conditions affecting odometry obtained from vision, Lidar, or…

Robotics · Computer Science 2022-04-20 Karim Haggag , Sven Lange , Tim Pfeifer , Peter Protzel

Near-field integrated sensing and communication (ISAC) requires target models beyond the point-target abstraction when the target has a non-negligible spatial extent. In this letter, a geometry-aware transmit design is developed for a…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Zongyao Zhao , Zhaolin Wang , Lincong Han , Liang Xu , Jing Jin , Yuanwei Liu , Kaibin Huang

Far field radiation pattern under tight focusing condition is investigated in Coherent Anti-stokes Raman Scattering (CARS) microscopy both in the forward (F-CARS) and backward (E-CARS) directions. While we assume no refraction index…

Optics · Physics 2009-11-11 D. Gachet , N. Sandeau , H. Rigneault

This paper deals with joint adaptive radar detection and target bearing estimation in the presence of mutual coupling among the array elements. First of all, a suitable model of the signal received by the multichannel radar is developed via…

Signal Processing · Electrical Eng. & Systems 2025-05-13 Augusto Aubry , Antonio De Maio , Lan Lan , Massimo Rosamilia

Movable antennas (MAs) show great promise for enhancing the sensing capabilities of future sixth-generation (6G) networks. With the growing prevalence of near-field propagation at ultra-high frequencies, this paper focuses on the…

Signal Processing · Electrical Eng. & Systems 2025-04-08 Yushen Wang , Weidong Mei , Xin Wei , Boyu Ning , Zhi Chen