Search Results - communications

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Millimeter wave coarse beamforming using outband sub-6GHz reconfigurable antennas
PAGE TITLE Overview PAGE SUMMARY This technology is a technique to address the challenges of millimeter wave (mmWave) communication in the context of high-speed mobile networks, with a focus to reduce the overhead of analog beamforming. The novel approach utilizes reconfigurable antennas operating in the sub-6GHz frequency band to aid codebook-based...
Published: 2/19/2025   |   Inventor(s): Kapil Dandekar, Oday Bshara, Vasil Pano, Md Abu Saleh Tajin
Keywords(s):  
Category(s): Electrical Engineering, Electronics, Communications
Pattern reconfigurable UHF RFID reader antenna array
PAGE TITLE Overview PAGE SUMMARY This technology is a novel antenna design of a reconfigurable UHF RFID reader to address issues related to coverage, polarization mismatch, and efficiency in passive RFID-based applications. The antenna can radiate four electronically switchable radiation beams in the azimuth plane, operate in the RFID ISM band...
Published: 2/19/2025   |   Inventor(s): Kapil Dandekar, Md Abu Saleh Tajin
Keywords(s):  
Category(s): Electronics, Communications
Moisture sensing using radio frequency identification (RFID)
PAGE TITLE Overview PAGE SUMMARY This technology is for a sensor product that measures the moisture content of a material using RFID tags and readers. The system comprises a plurality of RFID tags embedded in the material, each having a unique identifier and electromagnetic properties that vary with the moisture content of the material. The...
Published: 2/19/2025   |   Inventor(s): Kapil Dandekar, Md Abu Saleh Tajin, Calvin Leather
Keywords(s):  
Category(s): Electrical Engineering, Electronics, Communications
Energy-Efficient Reactive Jamming of Frequency-Hopping Spread Spectrum (FHSS) Signals using Software-Defined Radios
PAGE TITLE Overview PAGE SUMMARY This technology describes a reactive jamming Software-Defined Radio (SDR) apparatus designed to target Frequency Hopping Spread-Spectrum (FHSS) signals. The apparatus consists of a peripheral SDR processing module, a reactive jamming hardware IP core implemented on a Field Programmable Gate Array (FPGA), and...
Published: 2/19/2025   |   Inventor(s): Kapil Dandekar, Marko Jacovic, Cem Sahin, Danh Nguyen
Keywords(s):  
Category(s): Electrical Engineering, Communications, Electronics
Beam visualization and using augmented reality for control and interaction
e:none">Overview PAGE SUMMARY This technology is a system and method for using augmented reality (AR) to visualize and interact with wireless network activities. It presents a wireless augmented reality toolkit (WiART) composed of several components. Firstly, a wireless network analytic platform collects and aggregates wireless measurement data...
Published: 2/25/2025   |   Inventor(s): Kapil Dandekar, Cem Sahin, Logan Henderson, Danh Nguyen, James Chacko, Xaime Rey
Keywords(s):  
Category(s): Education & EdTech, Communications
Incident Power and Relative Phase Distribution Mapping in Reconfigurable Intelligent Surfaces Using Energy Harvesting
PAGE TITLE Overview PAGE SUMMARY Drexel researchers have developed an innovative method for obtaining incident power and relative phase distribution across Reconfigurable Intelligent Surfaces (RISs). Four versions of a novel energy harvesting circuit have been developed to trade-off sensitivity versus circuit complexity. The sensitivity of these...
Published: 2/19/2025   |   Inventor(s): Kapil Dandekar, Genevieve Dion, Chelsea Knittel-Amanatides, Md Abu Saleh Tajin, Kyei Anim
Keywords(s):  
Category(s): Communications, Energy
Functional Fabric Reconfigurable Intelligent Surfaces
PAGE TITLE Overview PAGE SUMMARY Drexel researchers have developed an innovative fabric-based reconfigurable intelligent surface (RIS) that uses conductive fabric sewn onto non-conductive fabric. This RIS prototype has been developed for IoT and WiFi applications and allows dynamic control of the propagation channel between communicating nodes....
Published: 2/19/2025   |   Inventor(s): Kapil Dandekar, Genevieve Dion, Chelsea Knittel-Amanatides, Md Abu Saleh Tajin, Kyei Anim
Keywords(s):  
Category(s): Communications
Radio frequency directed energy weapon mitigation via passive beamforming reconfigurable intelligent surface
PAGE TITLE Overview PAGE SUMMARY Despite their enormous potential benefits, the possibility of using Reconfigurable Intelligent Surfaces (RIS) to mitigate Directed Energy Weapons (DEW) and their effects has not been widely recognized. High power radio frequency (RF) sources in a directed energy weapon can cause permanent damage by releasing concentrated...
Published: 4/2/2025   |   Inventor(s): Kapil Dandekar, Kyei Anim, Md Abu Saleh Tajin
Keywords(s):  
Category(s): Communications
Magneto-Acoustic Signal Correlator
By harnessing coupling between magnetic and acoustic domains, this device is efficient for signal processing well into the mm-wave range Background Current acoustic transducers, filters, sensors, and communication systems face issues related to efficiency, frequency selectivity, tunability, and miniaturization. For example, acoustic wave filters...
Published: 11/8/2023   |   Inventor(s): Albrecht Jander, Pallavi Dhagat
Keywords(s):  
Category(s): Engineering, Communications
All-Optical Multiplexer and De-multiplexer for Temporal Modes of Electromagnetic Radiation using Nonlinear Optical Cavities and Shaped Laser Pulses
University of Oregon Researchers: Michael Raymer, Dileep Reddy Patent: US10,871,699 issued on 12/22/2020 (UO-18-26) All-Optical Multiplexer and De-multiplexer for Temporal Modes of Electromagnetic Radiation using Nonlinear Optical Cavities and Shaped Laser Pulses. Technology Background/Definition of Problem:: A quantum pulse gate can be understood...
Published: 5/13/2024   |   Inventor(s): Michael Raymer, Dileep Reddy
Keywords(s): Science
Category(s): Communications, Engineering, Information Technology, Physical Science
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