Sherif R. Zahran - IEEE Xplore Author Profile

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Author details

Sherif R. Zahran

Publications

17

Citations

62

Publications by Year

20142024

Co-Authors:

Mahmoud A. AbdallaAntonio AlatiAbdelrahman M. AliG. AmendolaEmilio Arnieri

Show All Co-Authors (25)

Sherif R. Zahran

Affiliation

MAIC Lab

University of Calabria: DIMES

Rende, Italy

Publication Topics

Antenna Array,
Feeding Network,
Reflection Coefficient,
Constant Phase,
Coplanar Waveguide,
Dielectric Constant,
Manufacturing Cost,
Metal Layer,
Phase Imbalance,
Power Divider,
Quality Factor,
Radiation Pattern

Biography

Sherif R. Zahran (Member, IEEE) was born in Cairo, Egypt, in 1991. He received the B.Sc. and M.Sc. degrees from the Arab Academy for Science and Technology, Cairo, Egypt, in 2013 and 2017, respectively, and the Ph.D. degree from the University of Calabria, Rende, Italy, in 2022.,He was with Huawei, Cairo, starting from 2015 to 2018 and with Ericsson, Cairo, until 2019 as a Wireless Configuration Engineer. He was a Visiting Student with the University of Grenoble Alpes, Grenoble, France, and SIAE Microelettronica, Milan, Italy. He has more than four years of experience with flexible/wearable wideband monopole antennas and SAR calculations. He has authored more than 20 publications in the field of microwave since 2014. His current research in...

Publications

17

Citations

62

Publications by Year

20142024

Co-Authors:

Mahmoud A. Abdalla
Antonio Alati
Abdelrahman M. Ali
G. Amendola
Emilio Arnieri

Show All Co-Authors (25)

Author's Published Works

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Showing 1-25 of 27 results

Conferences (19)

Journals (7)

Magazines (1)

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Yazhou Wang(27)
Aly E. Fathy(20)
Quanhua Liu(5)
Mohamed R. Mahfouz(5)
Lingyun Ren(4)
Department of Electrical Engineering and Computer Science, University of Tennessee, Knoxville, TN, USA(6)
EECS Department, University of Tennessee, Knoxville, TN, USA(5)
Boston Design Center, RF Micro Devices, Inc., Billerica, MA, USA(3)
MABE Department, University of Tennessee, Knoxville, TN, USA(3)
School of Electronic and Information Engineering, Beihang University, Beijing, China(2)
2011 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems(3)
IEEE Antennas and Wireless Propagation Letters(3)
2009 IEEE Antennas and Propagation Society International Symposium(2)
2010 IEEE Antennas and Propagation Society International Symposium(2)
2011 IEEE International Symposium on Antennas and Propagation (APSURSI)(2)
IEEE(27)
Phoenix, AZ, USA(3)
North Charleston, SC, USA(2)
Spokane, WA, USA(2)
Toronto, ON, Canada(2)
Anaheim, CA, USA(1)
Radar System(11)
Antenna Array(10)
Ultra-wideband(10)
Doppler Radar(9)
Indoor Environments(6)

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Noncontact Multiple Heartbeats Detection and Subject Localization Using UWB Impulse Doppler Radar

Lingyun Ren;Yun Seo Koo;Haofei Wang;Yazhou Wang;Quanhua Liu;Aly E. Fathy

IEEE Microwave and Wireless Components Letters

Year: 2015 | Volume: 25, Issue: 10 | Journal Article |

Cited by: Papers (98)

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In this letter, a phase-based algorithm based on a logarithmic method, applicable to UWB radars and suitable to real-time monitoring, is proposed to detect the phase variations of reflected pulses caused by the tiny cardiac motions. Compared with conventional FFT vital signs detection method, this algorithm demonstrates advantage in respiration harmonics suppression and avoidance of intermodulatio...Show More

Noncontact Multiple Heartbeats Detection and Subject Localization Using UWB Impulse Doppler Radar

Lingyun Ren;Yun Seo Koo;Haofei Wang;Yazhou Wang;Quanhua Liu;Aly E. Fathy

IEEE Microwave and Wireless Components Letters

Year: 2015 | Volume: 25, Issue: 10 | Journal Article |

Noncontact heartbeat detection using UWB impulse doppler radar

Lingyun Ren;Yun Seo Koo;Yazhou Wang;Aly E. Fathy

2015 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS)

Year: 2015 | Conference Paper |

Cited by: Papers (19)

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Ultra-wide band (UWB) pulse Doppler radars provide range-time-frequency information which enables the target localization and vital sign monitoring of a subject. One challenge for UWB radar systems is accurately detecting the heartbeat of a subject, i.e. recording the small displacements of thorax caused by heartbeat due to its poor S/N ratio. Given that the phase-based algorithms are more robust ...Show More

Noncontact heartbeat detection using UWB impulse doppler radar

Lingyun Ren;Yun Seo Koo;Yazhou Wang;Aly E. Fathy

2015 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS)

Year: 2015 | Conference Paper |

Hassle-Free Vitals: BioWireleSS for a Patient-Centric Health-Care Paradigm

Syed Kamrul Islam;Aly Fathy;Yazhou Wang;Michael Kuhn;Mohamed Mahfouz

IEEE Microwave Magazine

Year: 2014 | Volume: 15, Issue: 7 | Magazine Article |

Cited by: Papers (17)

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Continuous monitoring of vital information via a wireless medium has become an integral part of next-generation health-care technologies. The benefits of a wireless monitoring technique include facilitating in-home care services, reduction of the cost of frequent visits to hospitals, and lightening of the burden to the elderly persons. The development of miniature, lightweight, and energy-efficien...Show More

Hassle-Free Vitals: BioWireleSS for a Patient-Centric Health-Care Paradigm

Syed Kamrul Islam;Aly Fathy;Yazhou Wang;Michael Kuhn;Mohamed Mahfouz

IEEE Microwave Magazine

Year: 2014 | Volume: 15, Issue: 7 | Magazine Article |

High-amplitude motion cancellation method for handheld UWB Doppler radar

Lingyun Ren;Yun Seo Koo;Yazhou Wang;Gary To;Mohamed Mahfouz;Aly E. Fathy

2014 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS)

Year: 2014 | Conference Paper |

Cited by: Papers (3)

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UWB Doppler radar is capable of monitoring vital signs of human beings in a non-contact way by detecting the changes in the time of flight of narrow pulses emitted by the radar and reflected from the human chest. However, the received signal may be corrupted when there is a random motion if handheld UWB radar is used, especially when the amplitude of motion is higher than that of the thoracic moti...Show More

High-amplitude motion cancellation method for handheld UWB Doppler radar

Lingyun Ren;Yun Seo Koo;Yazhou Wang;Gary To;Mohamed Mahfouz;Aly E. Fathy

2014 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS)

Year: 2014 | Conference Paper |

Printed Dual-Layer Three-Way Directional Coupler Utilized as 3$\,\times\,$ 3 Beamforming Network for Orthogonal Three-Beam Antenna Array

Kejia Ding;Xiaoxing Fang;Yazhou Wang;Aixin Chen

IEEE Antennas and Wireless Propagation Letters

Year: 2014 | Volume: 13 | Journal Article |

Cited by: Papers (24) | Patents (1)

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We present a novel printed dual-layer three-way directional coupler, which can be utilized as 3$\,\times\,$ 3 beamforming network (BFN) to provide orthogonal three-beam switching capability. The three-way directional coupler is a passive component with six input/output ports. The signal injected into the input port is equally distributed into the three output ports, with a constant phase differenc...Show More

Printed Dual-Layer Three-Way Directional Coupler Utilized as 3$\,\times\,$ 3 Beamforming Network for Orthogonal Three-Beam Antenna Array

Kejia Ding;Xiaoxing Fang;Yazhou Wang;Aixin Chen

IEEE Antennas and Wireless Propagation Letters

Year: 2014 | Volume: 13 | Journal Article |

UWB MicroDoppler Radar for human Gait analysis, tracking more than one person, and vital sign detection of moving persons

Yun Seo Koo;Lingyun Ren;Yazhou Wang;Aly E. Fathy

2013 IEEE MTT-S International Microwave Symposium Digest (MTT)

Year: 2013 | Conference Paper |

Cited by: Papers (44)

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Pulse Doppler radars using UWB technology are becoming very popular for their wide range of capabilities and applications. UWB waveforms are used for imaging in indoor environments, target localization and classification behind walls, and evaluating micro-Doppler signatures. UWB pulse Doppler radars provide range-time-frequency representation that provides both highly accurate range and micro-Dopp...Show More

UWB MicroDoppler Radar for human Gait analysis, tracking more than one person, and vital sign detection of moving persons

Yun Seo Koo;Lingyun Ren;Yazhou Wang;Aly E. Fathy

2013 IEEE MTT-S International Microwave Symposium Digest (MTT)

Year: 2013 | Conference Paper |

A Novel Parallel-Series Feeding Network Based on Three-Way Power Divider for Microstrip Antenna Array

Kejia Ding;Xiaoxing Fang;Aixin Chen;Yazhou Wang

IEEE Antennas and Wireless Propagation Letters

Year: 2013 | Volume: 12 | Journal Article |

Cited by: Papers (16)

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A novel parallel-series feeding network for microstrip antenna arrays has been presented. A three-way power divider is utilized to connect the subarrays with the series-fed transmission lines. The proposed power divider is composed of seven transmission lines with different characteristic impedances and two isolation resistors. By changing the characteristic impedance of the transmission lines, th...Show More

A Novel Parallel-Series Feeding Network Based on Three-Way Power Divider for Microstrip Antenna Array

Kejia Ding;Xiaoxing Fang;Aixin Chen;Yazhou Wang

IEEE Antennas and Wireless Propagation Letters

Year: 2013 | Volume: 12 | Journal Article |

Towards Low Cost, High Speed Data Sampling Module for Multifunctional Real-Time UWB Radar

Quanhua Liu;Yazhou Wang;Aly E. Fathy

IEEE Transactions on Aerospace and Electronic Systems

Year: 2013 | Volume: 49, Issue: 2 | Journal Article |

Cited by: Papers (19)

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There is a need for the development of a low cost, low jitter, fast processing hardware for various ultrawideband (UWB) radar applications, such as dynamic real-time imaging and micro-Doppler human motion detection with high range resolution. Achieving such high range resolution is typically limited by the availability of low cost gigahertz sampling speed electronics. In order to achieve dynamic r...Show More

Towards Low Cost, High Speed Data Sampling Module for Multifunctional Real-Time UWB Radar

Quanhua Liu;Yazhou Wang;Aly E. Fathy

IEEE Transactions on Aerospace and Electronic Systems

Year: 2013 | Volume: 49, Issue: 2 | Journal Article |

Range-time-frequency representation of a pulse Doppler radar imaging system for indoor localization and classification

Yazhou Wang;Aly E Fathy

2013 IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet)

Year: 2013 | Conference Paper |

Cited by: Papers (2) | Patents (3)

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Pulse Doppler radars using UWB technology are becoming very popular for their wide range of capabilities and applications. UWB waveforms are used for imaging in indoor environments, target localization and classification behind walls, and evaluating micro-Doppler signatures. Typically, CW and FMCW radars are used for measuring time Doppler frequency shifts and subsequently providing time-frequency...Show More

Range-time-frequency representation of a pulse Doppler radar imaging system for indoor localization and classification

Yazhou Wang;Aly E Fathy

2013 IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet)

Year: 2013 | Conference Paper |

CW and Pulse–Doppler Radar Processing Based on FPGA for Human Sensing Applications

Yazhou Wang;Quanhua Liu;Aly E. Fathy

IEEE Transactions on Geoscience and Remote Sensing

Year: 2013 | Volume: 51, Issue: 5 | Journal Article |

Cited by: Papers (56) | Patents (1)

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In this paper, we discuss using field-programmable gate arrays (FPGAs) to process either time- or frequency-domain signals in human sensing radar applications. One example will be given for a continuous-wave (CW) Doppler radar and another for an ultrawideband (UWB) pulse–Doppler (PD) radar. The example for the CW Doppler radar utilizes a novel superheterodyne receiver to suppress low-frequency noi...Show More

CW and Pulse–Doppler Radar Processing Based on FPGA for Human Sensing Applications

Yazhou Wang;Quanhua Liu;Aly E. Fathy

IEEE Transactions on Geoscience and Remote Sensing

Year: 2013 | Volume: 51, Issue: 5 | Journal Article |

Simultaneous localization and respiration detection of multiple people using low cost UWB biometric pulse Doppler radar sensor

Yazhou Wang;Quanhua Liu;Aly E. Fathy

2012 IEEE/MTT-S International Microwave Symposium Digest

Year: 2012 | Conference Paper |

Cited by: Papers (39) | Patents (2)

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In this paper, we present a low cost ultra wideband (UWB) biometric radar sensor for respiration detection and monitoring applications. By using pulse Doppler radar technology, the developed sensor goes beyond detecting the breathing of a single person as conventional radars do; to simultaneously localizing and monitoring multiple human objects as well. The biometric sensor achieves a high range r...Show More

Simultaneous localization and respiration detection of multiple people using low cost UWB biometric pulse Doppler radar sensor

Yazhou Wang;Quanhua Liu;Aly E. Fathy

2012 IEEE/MTT-S International Microwave Symposium Digest

Year: 2012 | Conference Paper |

A Novel Wide-Beam Circularly Polarized Antenna for SDARS Applications

Kejia Ding;Yazhou Wang;Xiaojun Xiong

IEEE Antennas and Wireless Propagation Letters

Year: 2012 | Volume: 11 | Journal Article |

Cited by: Papers (19)

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In this letter, a novel wide-beam circularly polarized (CP) antenna is presented for satellite digital audio radio service (SDARS) band (2320–2345 MHz), intended for application in portable terminals. This new antenna is comprised of four independent radiation units that are axial symmetrical around the center. The radiation unit is miniaturized by using a distributed capacitive load and a short p...Show More

A Novel Wide-Beam Circularly Polarized Antenna for SDARS Applications

Kejia Ding;Yazhou Wang;Xiaojun Xiong

IEEE Antennas and Wireless Propagation Letters

Year: 2012 | Volume: 11 | Journal Article |

A compact integrated 100 GS/s sampling module for UWB see through wall radar with fast refresh rate for dynamic real time imaging

Quanhua Liu;Yazhou Wang;Aly E. Fathy

2012 IEEE Radio and Wireless Symposium

Year: 2012 | Conference Paper |

Cited by: Papers (15)

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This paper presents the development of a compact integrated sampling module for Ultra Wideband (UWB) see through wall radar. The development of this radar is geared towards see through wall imaging and micro-Doppler detection of any human motions. The radar transmits a UWB impulse signal for high rang resolution and utilizes 8 Vivaldi antenna array as receive array to achieve fine azimuth resoluti...Show More

A compact integrated 100 GS/s sampling module for UWB see through wall radar with fast refresh rate for dynamic real time imaging

Quanhua Liu;Yazhou Wang;Aly E. Fathy

2012 IEEE Radio and Wireless Symposium

Year: 2012 | Conference Paper |

Advanced System Level Simulation Platform for Three-Dimensional UWB Through-Wall Imaging SAR Using Time-Domain Approach

Yazhou Wang;Aly E. Fathy

IEEE Transactions on Geoscience and Remote Sensing

Year: 2012 | Volume: 50, Issue: 5 | Journal Article |

Cited by: Papers (60)

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A previously developed simulation platform for localization purposes has been extended and customized to accurately analyze and simulate ultra wideband (UWB) through-wall imaging (TWI) synthetic aperture radar (SAR) systems as well. The newly added features/modules include electromagnetic simulator to account for wall presence and target scattering, a wideband backprojection imaging algorithm, and...Show More

Advanced System Level Simulation Platform for Three-Dimensional UWB Through-Wall Imaging SAR Using Time-Domain Approach

Yazhou Wang;Aly E. Fathy

IEEE Transactions on Geoscience and Remote Sensing

Year: 2012 | Volume: 50, Issue: 5 | Journal Article |

A novel microstrip line three-way power divider

Kejia Ding;Donglin Su;Fei He;Yazhou Wang

2011 4th IEEE International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications

Year: 2011 | Conference Paper |

Cited by: Papers (7)

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A novel three-way microstrip line power divider structure using branch directional coupler is presented. The power divider is formed by two symmetrically placed branch directional couplers. The transmission characteristics of the power divider have been modeled and analyzed by using even/odd modes excitation method as well as transmission line theory. This paper also gives the design method on how...Show More

A novel microstrip line three-way power divider

Kejia Ding;Donglin Su;Fei He;Yazhou Wang

2011 4th IEEE International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications

Year: 2011 | Conference Paper |

Micro-Doppler signatures for intelligent human gait recognition using a UWB impulse radar

Yazhou Wang;Aly E. Fathy

2011 IEEE International Symposium on Antennas and Propagation (APSURSI)

Year: 2011 | Conference Paper |

Cited by: Papers (12) | Patents (46)

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A UWB impulse Doppler radar has been developed recently to detect the micro-Doppler signatures of human motions. The system RF front-end, wideband antenna array and high speed data acquisition module are introduced in details. The developed radar is used to detect the Doppler features of arms swing, which has unique characteristics compared to movements of other body components, for intelligent hu...Show More

Micro-Doppler signatures for intelligent human gait recognition using a UWB impulse radar

Yazhou Wang;Aly E. Fathy

2011 IEEE International Symposium on Antennas and Propagation (APSURSI)

Year: 2011 | Conference Paper |

Novel compact tapered microstrip slot antenna for microwave breast imaging

Yazhou Wang;Aly E. Fathy;Mohamed R. Mahfouz

2011 IEEE International Symposium on Antennas and Propagation (APSURSI)

Year: 2011 | Conference Paper |

Cited by: Papers (9)

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A novel compact tapered microstrip slot antenna has been developed for microwave breast imaging. The antenna is designed assuming that it will be embedded in breast tissues rather than air. By using a microstrip tapered slot with a fork-shaped feeding structure, the designed antenna has achieved a good matching performance at 2 to 8 GHz. The total size of the antenna is only 0.13λ × 0.13λ at the l...Show More

Novel compact tapered microstrip slot antenna for microwave breast imaging

Yazhou Wang;Aly E. Fathy;Mohamed R. Mahfouz

2011 IEEE International Symposium on Antennas and Propagation (APSURSI)

Year: 2011 | Conference Paper |

A multi-tag access scheme for indoor UWB localization systems used in medical environments

Michael J. Kuhn;Mohamed R. Mahfouz;Jonathan Turnmire;Yazhou Wang;Aly E. Fathy

2011 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems

Year: 2011 | Conference Paper |

Cited by: Papers (17)

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Ultra wideband (UWB) wireless systems have many advantages in indoor environments with dense multipath. UWB positioning systems are increasingly used in indoor environments to track and locate important assets. Many applications exist in medicine for UWB positioning which includes tracking personnel, assets, and even surgical navigation. We have designed a UWB positioning system with millimeter ra...Show More

A multi-tag access scheme for indoor UWB localization systems used in medical environments

Michael J. Kuhn;Mohamed R. Mahfouz;Jonathan Turnmire;Yazhou Wang;Aly E. Fathy

2011 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems

Year: 2011 | Conference Paper |

Towards sub-millimeter accuracy in UWB positioning for indoor medical environments

Mohamed R. Mahfouz;Michael J. Kuhn;Yazhou Wang;Jonathan Turnmire;Aly E. Fathy

2011 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems

Year: 2011 | Conference Paper |

Cited by: Papers (8)

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Ultra wideband (UWB) positioning systems are increasingly used in indoor environments since commercial systems can provide 3-D accuracy of a few centimeters. Many applications exist in medicine for UWB positioning which includes tracking personnel, assets, and surgical navigation. We have designed a UWB positioning system with millimeter accuracy. Certain applications, including surgical navigatio...Show More

Towards sub-millimeter accuracy in UWB positioning for indoor medical environments

Mohamed R. Mahfouz;Michael J. Kuhn;Yazhou Wang;Jonathan Turnmire;Aly E. Fathy

2011 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems

Year: 2011 | Conference Paper |

UWB microwave imaging system with a novel calibration approach for breast cancer detection

Yazhou Wang;Aly E. Fathy;Mohamed R. Mahfouz

2011 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems

Year: 2011 | Conference Paper |

Cited by: Papers (14)

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A microwave imaging system prototype has been developed for early breast cancer detection. The system is based on impulse Ultra-Wideband (UWB) radar technology. A novel, practical calibration method has been applied in our system to remove the large received signals due to both skin backscattering and Tx/Rx antenna coupling, and to underline the reflection/scattering from object of interest. This ...Show More

UWB microwave imaging system with a novel calibration approach for breast cancer detection

Yazhou Wang;Aly E. Fathy;Mohamed R. Mahfouz

2011 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems

Year: 2011 | Conference Paper |

Three-dimensional through wall imaging using an UWB SAR

Yazhou Wang;Aly E. Fathy

2010 IEEE Antennas and Propagation Society International Symposium

Year: 2010 | Conference Paper |

Cited by: Papers (5)

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A 3-D UWB SAR has been designed to detect the positions of the targets behind the wall and identify them as well. The beam scanning is based on the mechanical movement of the wideband Tx/Rx Vivaldi array. The system transceiver and 3-D microwave beamforming algorithm are introduced in details. An experiment is performed to recover the 3-D images of a human mock-up. The demonstrated 3-D imaging res...Show More

Three-dimensional through wall imaging using an UWB SAR

Yazhou Wang;Aly E. Fathy

2010 IEEE Antennas and Propagation Society International Symposium

Year: 2010 | Conference Paper |

A comprehensive system-level simulation paradigm for UWB systems

Yazhou Wang;Michael J. Kuhn;Mohamed R. Mahfouz;Aly E. Fathy

2010 IEEE Antennas and Propagation Society International Symposium

Year: 2010 | Conference Paper |

Cited by: Papers (2)

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A comprehensive simulation paradigm for UWB systems has been outlined. Its use in accurately simulating the performance of actual experimental through wall imaging radar and indoor positioning systems has been presented. The accuracy of the simulation framework has been validated experimentally using our UWB imaging radar and indoor positioning prototypes. This general framework provides a robust ...Show More

A comprehensive system-level simulation paradigm for UWB systems

Yazhou Wang;Michael J. Kuhn;Mohamed R. Mahfouz;Aly E. Fathy

2010 IEEE Antennas and Propagation Society International Symposium

Year: 2010 | Conference Paper |

Advanced system level simulation of UWB three-dimensional through-wall imaging radar for performance limitation prediction

Yazhou Wang;Michael J. Kuhn;Aly E. Fathy

2010 IEEE MTT-S International Microwave Symposium

Year: 2010 | Conference Paper |

Cited by: Papers (8)

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A system level framework has been developed to simulate the UWB three-dimensional through-wall radar system and accurately predict its performance limitations. Only through a novel simulation model where Agilent ADS Ptolemy simulation is used combined with its Matlab co-simulation, is it possible to accurately simulate the UWB radar system. The developed simulation model has been validated experim...Show More

Advanced system level simulation of UWB three-dimensional through-wall imaging radar for performance limitation prediction

Yazhou Wang;Michael J. Kuhn;Aly E. Fathy

2010 IEEE MTT-S International Microwave Symposium

Year: 2010 | Conference Paper |

A reconfigurable UWB system for real-time through wall imaging applications

Yazhou Wang;Yunqiang Yang;Aly E. Fathy

2010 IEEE Radio and Wireless Symposium (RWS)

Year: 2010 | Conference Paper |

Cited by: Papers (10)

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A reconfigurable ultra-wideband system for through wall imaging application has been developed. The radar operating frequency can be selected to cover either 2-4 GHz or 8-10 GHz UWB bands. The lower UWB band is used to minimize through wall attenuation for relatively high loss wall materials, but the upper band can be utilized to achieve high image resolution for relatively low loss walls. A synth...Show More

A reconfigurable UWB system for real-time through wall imaging applications

Yazhou Wang;Yunqiang Yang;Aly E. Fathy

2010 IEEE Radio and Wireless Symposium (RWS)

Year: 2010 | Conference Paper |

Ultra-wideband Vivaldi arrays for see-through-wall imaging radar applications

Yazhou Wang;Yunqiang Yang;Aly E. Fathy

2009 IEEE Antennas and Propagation Society International Symposium

Year: 2009 | Conference Paper |

Cited by: Papers (7)

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Two Vivaldi antenna arrays have been presented. First is an 8-element tapered slot array covering 1.2 to 4 GHz band for STW applications for brick/concrete wall imaging. Second is a 16-element antipodal array operating at 8 to 10.6 GHz for high resolution imaging when penetrating through dry wall. Based on the two designs, and utilizing a smooth wide band slot to microstrip transition to feed the ...Show More

Ultra-wideband Vivaldi arrays for see-through-wall imaging radar applications

Yazhou Wang;Yunqiang Yang;Aly E. Fathy

2009 IEEE Antennas and Propagation Society International Symposium

Year: 2009 | Conference Paper |

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