Waleed A. Profile

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(1 review)

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See all Electrical Engineers in United States

Waleed A.

@WaleedAhmad145

5.0

0.0

100%

Get solution for your Projects and Assignments

$6 USD / Hour

・

United States (6:50 AM)

・

Joined on December 2, 2016

$6 USD / Hour

・

I am an RF engineer and has been working on antennas, RF and Microwave circuits design projects for last 3 years. I have my expertise in following: Patch antennas, Planar Inverted F Antenna, 5G Antennas, Miniaturized antennas, Wideband Antennas, Wearable Antennas, transmission line designs, lens antennas design, Electromagnetic bandgap structures, Frequency Selective Surfaces, Matching network design. I would like to complete your project with unlimited revisions. Thanks.

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5.0 · 1 Review

Reviews

Design and analysis of implant antenna for WMTS and ISM band

• $10 USD

Good work, which to work with him again

Wireless

Electronics

Electrical Engineering

Amr A.

@aakamel

•

Loran, Egypt

•

8 years ago

Research Engineer

Aug, 2015 - Dec, 2016

•

1 year, 4 months

LUMS

Aug, 2015 - Dec, 2016

•

1 year, 4 months

I am working as Research Engineer in an academic institution. I have been using HFSS and ADS for RF circuits and antenna design for 2 years. I have hands on experience on Network analyzer, Spectrum Analyzer and LPKF Protomat. I have completed funded research projects related to RF electronics and antennas.

Aug, 2015 - Dec, 2016

•

1 year, 4 months

University of Engineering and Technology, Lahore

2011 - 2015

•

4 years

BS Electrical Engineering

Pakistan

2011 - 2015

•

4 years

Ultra-Wideband End-fire Quasi-Yagi Antenna for High Resolution Automotive Radar Applications

IEEE

In this work, we propose an ultra-wideband end-fire quasi-yagi antenna which simultaneously could be used for 5G communications and automotive radar applications. The proposed antenna covers an ultra-wide frequency range of 24.8 GHz (from 23.8 GHz to 48.6 GHz) by attaining a fractional bandwidth of more than 68%. The gain of the antenna ranges from 4.37 - 5.95 dBi. An excellent radiation efficiency of more than 97% is also achieved.

Radio Frequency Energy Harvesting From Ambient FM Signals for Making Battery-Less Sensor Nodes

IEEE

This paper presents an efficient rectifier for Radio Frequency (RF) energy harvesting applications in FM band (88MHz to 108MHz). The proposed rectifier is based on Modified Greinacher Rectification topology. The circuit is designed on Keysight Advance Design System (ADS) and realized on a 1.6mm thick FR4 sheet with 35um of copper cladding.

Highly Efficient Dual Band Rectifier for RF Energy Harvesting Applications in ISM Band

IEEE

A highly efficient single branch dual-band rectifier operating at 2.45GHz and 5.8 GHz for various Radio Frequency (RF) Energy harvesting applications is presented. The circuit consists of a voltage doubler, an impedance matching network, and a load resistor. The diode used for rectification is SMS-7630 by Skyworks and its selection has been justified by a comparative study of diodes. An extremely low loss microstrip line based dual band impedance transformer is used for impedance matching.

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