18 papers
Compact Multi-Service Antenna for Sensing and Communication Using Reconfigurable Complementary Spiral Resonator
Ali Raza, Rasool Keshavarz, Eryk Dutkiewicz +1
In this paper, a compact multi-service antenna (MSA) is presented for sensing and communication using a reconfigurable complementary spiral resonator. A three turns complementary s…
Software-defined Programmable Metamaterial Lens System for Dynamic Wireless Power Transfer Applications
Eistiak Ahamed, Rasool Keshavarz, Daniel Franklin +1
A software-defined 2-bit Programmable Transmit Metamaterial (PTM) array surface with beam steering capabilities is proposed for indoor dynamic Wireless Power Transfer (DWPT) applic…
Compact Pixelated Microstrip Forward Broadside Coupler Using Binary Particle Swarm Optimization
Kourosh Parsaei, Rasool Keshavarz, Rashid Mirzavand Boroujeni +1
In this paper, a compact microstrip forward broadside coupler (MFBC) with high coupling level is proposed in the frequency band of 3.5-3.8 GHz. The coupler is composed of two paral…
Miniaturized Patch Rectenna Using 3-Turn Complementary Spiral Resonator for Wireless Power Transfer
Ali Raza, Rasool Keshavarz, Negin Shariati
A miniaturized linearly-polarized patch antenna is presented for Wireless Power Transfer (WPT) at 1. 8 GHz. The proposed antenna consists of a patch element and a 3-turn Complement…
Metamaterial-Inspired Quad-Band Notch Filter for LTE Band Receivers and WPT Applications
R. Keshavarz, Y. Miyanaga, M. Yamamoto +2
A new compact quad-band notch filter (QBNF) based on the extended composite right and left-handed transmission line (E-CRLH TL) has been presented. As known, E-CRLH TL behaves like…
Enabling Wireless Communications, Energy Harvesting, and Energy Saving by Using a Multimode Smart Nonlinear Circuit (MSNC)
Rasool Keshavarz, Dimitrios L. Sounas, Saeed Keshavarz +1
In this paper, a multimode smart nonlinear circuit (MSNC) for wireless communications (Tx and Rx modes) as well as energy harvesting (EH) and power saving is presented. The propose…