Computer Sciences and Information Technology
Title : | Prototype of Imaging Radar in UWB |
Area of research : | Computer Sciences and Information Technology, Engineering Sciences |
Focus area : | Imaging radar |
Principal Investigator : | Dr Srinivas Boppu, Assistant Professor, Indian Institute of Technology (IIT) Bhubaneswar |
Timeline Start Year : | 2019 |
Contact info : | srinivas@iitbbs.ac.in ; barathram@iitbbs.ac.in; debapratim@iitbbs.ac.in, debapratim@ieee.org |
Details
Executive Summary : | RADAR (Radio Detection and Ranging) has been in existence since early WW II. But within the last decade, VLSI technology is tremendously advanced such that SoC (System-on-Chip) where the whole system is developed on a single IC. As RFIC’s also developed---transceivers size decreased drastically and nowadays radar transceivers as integrated circuits have been developed. Today, transceivers can fit in the palm of your hand and be powered by just a few watts of energy. Along with this computation of complex algorithms in less time is achieved by FPGA processors. With this miniaturization of the size and power of transceivers and the flexibility to programmatically customize on-board algorithms on FPGA processors, radar technology can be used to develop many interesting applications. Ultra-wideband (UWB) signals originated from research and development work on high-resolution radiofrequency (RF) radar systems in the 1950-60s. The current FCC regulations in the US, define a UWB signal as having an absolute bandwidth that exceeds 500 MHz or fractional bandwidth over 20%. The FCC frequency band assigned to UWB systems extends from 3.1 GHz to 10.6 GHz, i.e. a bandwidth of 7.5 GHz centered at 6.85 GHz. Recently there has been noteworthy interest in the development of novel low-cost lightweight people imaging, baggage scanning, and medical imaging techniques using UWB signals as the basis. Ultra-wideband (UWB) radar has many potential applications that require systems offering low-cost, compact, real-time imaging with good resolution and the ability to penetrate materials.
Typical applications include:
• Medical imaging
• People imaging
• Baggage scanning
• Through-wall imaging, and
• Stand-off detection of threat objects concealed under clothing.
Systems need to operate with both stationary and moving targets and in highly cluttered environments, including indoors and near buildings. Therefore, UWB radars are signal processing intensive and need very high expertise in developing systems for deployment. Scope and Abstract of this proposal for developing an Imaging Radar using UWB: Out of all the applications mentioned above, we chose through wall imaging as the focused application for development as a part of this project, as it is
• One of the most complicated signal processing-intensive applications from the above-mentioned list
• The signal processing algorithms developed as a part of this application can be adapted for other applications like Medical Imaging, Baggage Scanning & people Imaging etc., easily with minimal changes.
• From a product perspective, there are very few companies and systems globally which are deployed for through wall imaging applications especially in the defense & security Segment. |
Co-PI: | Dr Debapratim Ghosh, Assistant Professor, Dr Barathram Ramkumar, Associate Professor, Dr M.Sabarimalai Manikandan, Associate Professor, Indian Institute of Technology (IIT) Bhubaneswar |
Total Budget (INR): | 72,82,000 |
Achievements : | 1. Real-Time Implementation of Frequency Modulated Waveform Using GNU Radio and USRP for Range Detection.
2. Real-time implementation of human detection based on the UWB radar.
3. Performance Study of Ultra-Wide Band Radar Based Respiration Rate Measurement Methods.
4. An Automated Algorithm for Estimating Respiration Rate from PPG Signals.
5. Database creation for UWB Radar for detecting persons behind the wall. |
Publications : | 3 |
Organizations involved
