Search Results - electrical+engineering

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Wireless Energy Harvesting and Storage
PAGE TITLE Overview PAGE SUMMARY Energy storing and harvesting textiles are currently being developed at Drexel University. Antennas are tuned to harvest or scavenge energy at 2.4 GHz from the WiFi frequency band. The antenna is fully knitted from conductive yarns on industrial knitting machines. The antenna is connected to a small circuit that...
Published: 2/12/2026   |   Inventor(s): Genevieve Dion, Kapil Dandekar, Yury Gogotsi, Kristy Jost
Keywords(s): Antenna
Category(s): Advanced Materials & Chemicals, Textiles, Electrical Engineering
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: 2/12/2026   |   Inventor(s): Kapil Dandekar, Oday Bshara, Vasil Pano, Md Abu Saleh Tajin
Keywords(s):  
Category(s): Electrical Engineering, 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: 2/12/2026   |   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: 2/12/2026   |   Inventor(s): Kapil Dandekar, Marko Jacovic, Cem Sahin, Danh Nguyen
Keywords(s):  
Category(s): Electrical Engineering, Communications, Electronics
A Dynamic Capacitive Power Transfer System for the Elevator
­ PAGE TITLE Overview PAGE SUMMARY An innovative system enabling real-time, wireless and efficient power transfer for peripheral electrical systems in elevators and other tracked systems in motion. This technology comprises a metal track attached to the building side as a power transmitter, and a piece of metal on the elevator side as a...
Published: 2/12/2026   |   Inventor(s): Fei Lu, Hua Zhang
Keywords(s):  
Category(s): Energy, Electrical Engineering, Electronics
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: 2/12/2026   |   Inventor(s): Kapil Dandekar, Genevieve Dion, Chelsea Knittel-Amanatides, Md Abu Saleh Tajin, Kyei Anim
Keywords(s):  
Category(s): Communications, Electrical Engineering, Textiles
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: 2/12/2026   |   Inventor(s): Kapil Dandekar, Kyei Anim, Md Abu Saleh Tajin
Keywords(s):  
Category(s): Communications, Electrical Engineering
Adaptive pursuit learning method to mitigate small-cell interference through directionality
PAGE TITLE Overview PAGE SUMMARY This technology is a learning protocol for distributed antenna state selection in directional cognitive small-cell networks. The protocol addresses interference and performance improvement in wireless data transmission systems, specifically focusing on small-cell deployments with directional antennas. It formulates...
Published: 2/12/2026   |   Inventor(s): Kapil Dandekar, Danh Nguyen, Nagarajan Kandasamy, Anton Paatelma, Harri Saarnisaari
Keywords(s):  
Category(s): Electrical Engineering, Electronics, Communications
Slew-Driven Clock Tree Synthesis
PAGE TITLE Slew-Driven Clock Tree Synthesis PAGE SUMMARY Reduction in power consumption without sacrificing processing speed is increasingly important objective in integrated circuit design nowadays. Power distribution of the clock net contributes a large fraction of the total power consumption. Thus, the generation and distribution of this...
Published: 2/12/2026   |   Inventor(s): Baris Taskin, Ahmet (can) Sitik, Emre Salman, Weicheng Liu
Keywords(s):  
Category(s): Electronics, Electrical Engineering
Reduced Overhead Gate Level Logic Encryption
PAGE TITLE Overview PAGE SUMMARY Integrated Circuits (ICs), which serve as the keystone of modern electronic devices, are increasingly vulnerable to third party tampering due to the industry’s increasing reliance on untrusted third-party foundries in the IC design flow. The result is a growing concern of IC reliability and security, with...
Published: 2/12/2026   |   Inventor(s): Ioannis Savidis, Kyle Juretus
Keywords(s):  
Category(s): Electronics, Electrical Engineering
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