Search Results - "Cheema, Hammad M."

Ultra-wideband, wide angle, asymmetric transmission based chiral metasurface for C and X band applications by Bokhari, Syed Hussain Ali, Cheema, Hammad M.

“…A multi-layered chiral device manifesting asymmetric transmission (AT) facilitating one-way channeling of electromagnetic (EM) waves, based on the inherent…”
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3.56-bits/cm Compact Inkjet Printed and Application Specific Chipless RFID Tag by Khan, Munawar M., Tahir, Farooq A., Farooqui, M. F., Shamim, Atif, Cheema, Hammad M.

“…In this letter, a 28.5-bit chipless RFID tag, based on paper substrate and realized using inkjet printing technique is presented. Operating within…”
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Disposable, Paper-Based, Inkjet-Printed Humidity and H₂S Gas Sensor for Passive Sensing Applications by Quddious, Abdul, Yang, Shuai, Khan, Munawar M, Tahir, Farooq A, Shamim, Atif, Salama, Khaled N, Cheema, Hammad M

“…An inkjet-printed, fully passive sensor capable of either humidity or gas sensing is presented herein. The sensor is composed of an interdigitated electrode, a…”
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RF Energy Harvesting for Ubiquitous, Zero Power Wireless Sensors by Khan, Muhammad U., Cheema, Hammad M., Shoaib, Nosherwan, Saeed, Warda

“…This paper presents a review of wireless power transfer (WPT) followed by a comparison between ambient energy sources and an overview of different components…”
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A Wideband Tunable Power Divider for SWIPT Systems by Ilyas, Sana, Shoaib, Nosherwan, Nikolaou, Symeon, Cheema, Hammad M.

“…A two-way tunable power divider for Simultaneous Wireless Information and Power Transfer (SWIPT) is proposed in this paper. The power divider divides the…”
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Quad-Band 3D Rectenna Array for Ambient RF Energy Harvesting by Khan, Muhammad U., Shoaib, Nosherwan, Saeed, Warda, Khalid, Fatima, Cheema, Hammad M.

“…This paper presents a quad-band, 3D mountable rectenna module for ambient energy harvesting. With the aim of powering up Internet of Things (IoT) nodes in…”
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Graphene-ferrites interaction for enhanced EMI shielding effectiveness of hybrid polymer composites by Ahmed, Ibrar, Jan, Rahim, Khan, Ahmad Nawaz, Gul, Iftikhar Hussain, Khan, Ramsha, Javed, Sofia, Akram, M Aftab, Shafqat, Ahmad, Cheema, Hammad M, Ahmad, Imtiaz

“…Hybrid polymer composites based on poly vinylidene fluoride (PVDF) matrix are fabricated by dispersion of few layered graphene (FLG) and nickel spinal ferrites…”
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Segmented Radon Fourier Transform for Long Time Coherent Radars by Hussain, Musadiq, Ahmed, Rehan, Cheema, Hammad M.

“…Coherent pulse integration is a well-known technique for effective target detection with increased output signal-to-noise ratio (SNR). Radon fourier transform…”
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A Compact Kapton-Based Inkjet-Printed Multiband Antenna for Flexible Wireless Devices by Ahmed, Sana, Tahir, Farooq A., Shamim, A., Cheema, Hammad M.

“…A low-cost inkjet-printed multiband antenna envisioned for integration into flexible and conformal mobile devices is presented. The antenna structure contains…”
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A Bilayered, Broadband, Angularly Robust Chiral Metasurface for Asymmetric Transmission by Bokhari, Syed Hussain Ali, Cheema, Hammad M.

“…Asymmetric transmission (AT) through metasurfaces yields a direction-sensitive behavior for electromagnetic (EM) wave propagation. To date, majority of the…”
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Potential of carbon nanotube field effect transistors for analogue circuits by Hayat, Khizar, Cheema, Hammad M, Shamim, Atif

“…This Letter presents a detailed comparison of carbon nanotube field effect transistors (CNFETs) and metal oxide semiconductor field effect transistors…”
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A W-Band EBG-Backed Double-Rhomboid Bowtie-Slot On-Chip Antenna by Khan, Muhammad Saad, Tahir, Farooq Ahmad, Meredov, Azat, Shamim, Atif, Cheema, Hammad M.

“…A double-rhomboid bowtie-slot on-chip antenna aided by a back-to-back E-shaped electromagnetic bandgap (EBG) surface for gain enhancement at W-band is…”
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Effect of polyaniline on the dielectric and EMI shielding behaviors of styrene acrylonitrile by Saboor, Abdul, Khan, Ahmad Nawaz, Cheema, Hammad M., Yaqoob, Khurram, Shafqat, Ahmed

“…The dielectric and EMI shielding behaviors of styrene acrylonitrile (SAN)/polyaniline (PANI) polymer blends are investigated using impedance analyzer. The…”
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EMI shielding properties of polymer blends with inclusion of graphene nano platelets by Shakir, Muhammad Fayzan, Khan, Ahmad Nawaz, Khan, Ramsha, Javed, Sofia, Tariq, Asra, Azeem, Muhammad, Riaz, Adeel, Shafqat, Ahmed, Cheema, Hammad M., Akram, Muhammad Aftab, Ahmad, Imtiaz, Jan, Rahim

“…Polymer blends of poly vinyle chloride (PVC) and polyaniline (PANI) with the inclusion of graphene nano platelets (GNP) are fabricated to enhance the EMI…”
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A 5 GHz narrow‐beam leaky‐wave antenna using binomially distributed slot based substrate integrated waveguide by Farooq, Memoona, Khan, Muhammad U., Cheema, Hammad M.

“…This article presents a planar substrate integrated waveguide based leaky wave antenna (LWA) with narrow beamwidth, high directivity, and low side lobe levels…”
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Beam Steerable Half Mode SIW Leaky-Wave Antenna Using FPMS by Ali, Shahinshah, Cheema, Hammad M., Ghaffar, Farhan A.

“…A novel leaky wave antenna (LWA) with integrated field-programmable microwave substrate (FPMS) unit cells is presented in this article. The proposed antenna…”
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An Analog-assisted Fast-transient Digital LDO with a Charge-pump-based Fine Loop Achieving 0.14-mV Output Voltage Ripples by Qaisar, Shirin, Akram, Muhammad Abrar, Haris Farooq, Muhammad, Kweon, Soon-Jae, Cheema, Hammad M., Ha, Sohmyung

“…This paper presents a digital low dropout (DLDO) regulator, which has very small steady-state voltage ripples (V RIPP ) of < 140 µV and a minimum dropout…”
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A Tri-loop Fast-transient Digital LDO with Adaptive-gain Control and Fine-loop Freezer by Farooq, Muhammad Haris, Abrar Akram, Muhammad, Qaisar, Shirin, Kweon, Soon-Jae, Cheema, Hammad M., Ha, Sohmyung

“…In this paper, a fully-integrated digital low dropout (DLDO) regulator is proposed utilizing a multi-bits shift handler (MBSH), decremental-gain PMOS array,…”
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Real-time precision spraying application for tobacco plants by Arsalan, Muhammad, Rashid, Ahmar, Khan, Khurram, Imran, Abid, Khan, Faheem, Azeem Akbar, Muhammad, Cheema, Hammad M.

“…This paper introduces a precision agriculture application aimed at mitigating the excessive utilization of agricultural chemicals, including pesticides and…”
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Weakly coupled directional coupler with simultaneous wide bandwidth and high directivity by Hammad Akhtar, M., Ayaz Zakir, M., Cheema, Hammad M.

“…Weakly coupled directional couplers are known to have poor directivities and narrow bandwidths. In order to improve both parameters simultaneously, this…”
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