A Survey of Handy See-Through Wall Technology

  title={A Survey of Handy See-Through Wall Technology},
  author={Kangle Mu and Tom Hao Luan and Lina Zhu and Lin X. Cai and Longxiang Gao},
  journal={IEEE Access},
The through-wall system, which applies radio technologies to detect objects behind the wall, can find many appealing applications such as public security, life detection, and medical health monitoring. While being studied for years, the recent advances in high-performance handheld computing devices and artificial intelligence have made the through-wall system more practical. In this article, we present a tutorial-like study on the fundamental radio technologies used in the through-wall system… 

The Overview of Human Localization and Vital Sign Signal Measurement Using Handheld IR-UWB Through-Wall Radar

This paper focuses on IR-UWB through-wall radar and introduces the key advances in system design and deployment, human detection theory, and signal processing algorithms, such as human vital sign signal measurement methods and moving human localization.

An Approch to Detect Low and High Dielectric Targets Behind the Wall with Through-Wall Imaging System

A methodology for the detection of low and high dielectric target is developed and explored, and suitable agreement with the results of targets detection is obtained as per the scenario in complex environment with the proposed methodology.

Portable Micro-Doppler Radar with Quadrature Radar Architecture for Non-Contact Human Breath Detection

A human respiration rate detection system using micro-Doppler radar with quadrature architecture in the industrial, scientific, and medical frequency of 5.8 GHz and a mathematical model of human breathing is used to further explore any insights into signal processes in the radar.

A Compact High-Gain Wideband Lens Vivaldi Antenna for Wireless Communications and Through-the-Wall Imaging

The numerical results concerning the antennas parameters, illustrating the suitability of the proposed antennas to support narrow and ultra-wideband signal waveforms, are found to be in good agreement with the experimental measurements performed on an antenna prototype.

TWR-MCAE: A Data Augmentation Method for Through-the-Wall Radar Human Motion Recognition

Experiments show that the proposed TWR-MCAE algorithm gets a better peak signal-to-noise ratio (PSNR), which increases the recognition accuracy and speeds up the training process of the back-end classifiers.

A Class of Lightweight Spherical-Axicon Dielectric Lenses for High Gain Wideband Antennas

A class of lightweight spherical-axicon-like dielectric lenses suitable for enhancing broadband antennas performances is presented. The proposed lenses, sized according to a reference massive lens,



Through-Wall Detection of Human Being's Movement by UWB Radar

This letter applies the UWB radar system in through-wall human detection and presents the methods based on fast Fourier transform and S transform to detect and identify the human's life characteristic.

Real-Time Through-Wall Situation Awareness Using a Microwave Doppler Radar Sensor

A simple and effective radar data processing algorithm is proposed to detect, in real-time, the presence of one or several human subjects in the through-wall scene and automatically provides also an indication on whether the subjects are static or moving in the environment.

See Through Walls with COTS RFID System!

Tadar is the first to implement a through-wall tracking using the COTS RFID systems, and shows how to track the moving object based on HMM (Hidden Markov Model) and its reflections.

Detection of Concealed Individuals Based on Their Vital Signs by Using a See-Through-Wall Imaging System With a Self-Injection-Locked Radar

A self-injection-locked (SIL) radar with ranging and tracking capabilities to see through walls for discovering hidden people and a see-through-wall imaging system is constructed to position different individuals concealed behind a wall.

An Improved Algorithm for Through-Wall Target Detection Using Ultra-Wideband Impulse Radar

An improved arctangent demodulation technique is used to determine the frequency of human micro-motion based on a multiple frequency accumulation method, and performance results show that the proposed method is superior to several well-known techniques.

See through walls with WiFi!

This paper shows how one can track a human by treating the motion of a human body as an antenna array and tracking the resulting RF beam, and shows how to use MIMO interference nulling to eliminate reflections off static objects and focus the receiver on a moving target.

Through-Wall Detection of the Moving Paths and Vital Signs of Human Beings

A model for moving targets and the time domain finite element method to simulate single-input multiple-outputs (SIMO) radar data and the combination of SIMO radar and MEMD can effectively identify the moving path of the human being behind the wall and extract vital signs.

Capturing the human figure through a wall

RF-Capture tracks the 3D positions of a person's limbs and body parts even when the person is fully occluded from its sensor, and does so without placing any markers on the subject's body.

Dual Channel S-Band Frequency Modulated Continuous Wave Through-Wall Radar Imaging

A proposed algorithm for range-angle-Doppler 3D estimation based on a 3D shift invariant structure is utilized in the implemented dual channel S-band FMCW TWRI system, resulting in a significant reduction of the number of antenna elements.

3D Tracking via Body Radio Reflections

WiTrack bridges a gap between RF-based localization systems which locate a user through walls and occlusions, and human-computer interaction systems like Kinect, which can track a user without instrumenting her body, but require the user to stay within the direct line of sight of the device.