Search Results - "Ali, N.T."
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1
Emergency management of upper airway angio-oedema after routine dental extraction in a patient with C1 esterase deficiency
Published in British journal of oral & maxillofacial surgery (01-07-2008)“…Abstract Hereditary angio-oedema is rare and potentially life-threatening, being characterised by recurrent episodes of perioral or laryngeal oedema. We…”
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Journal Article -
2
Compact WLAN disc antennas
Published in IEEE transactions on antennas and propagation (01-12-2002)“…A novel conical beam patch antenna design, suitable for local area network applications, uses a central cylindrical connection from the disc to ground to…”
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Journal Article -
3
A power and efficiency measurement technique for active patch antennas
Published in IEEE transactions on microwave theory and techniques (01-05-2000)“…In this paper, the power input to the radiating element of an active microstrip patch antenna is measured using a small sensing patch, which is weakly coupled…”
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Journal Article -
4
Compact Tunable Microstrip Filter with Wide-Stopband Restriction and Wide Tuning Range for 4G and 5G Applications
Published in Antennas and Propagation Conference 2019 (APC-2019) (2019)“…This paper presents a compact planar tunable filter covering the 2.5 to 3.8 GHz spectrum for 4G and 5G wireless communications using a new hybrid technique…”
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Conference Proceeding
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5
Reconfigurable Wilkinson power divider with unity to 8dB output power differences using one varactor diode
Published in Loughborough Antennas & Propagation Conference : 12-13 November 2018, Loughborough, UK (12-11-2018)“…A novel reconfigurable equal to unequal Wilkinson power divider is presented. The proposed power divider adopts coupled microstrip line technique to implement…”
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Conference Proceeding -
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Bandwidth Enhancement of Rectangular-Dielectric Resonator Antenna Using Combined Circular and Rectangular Slots Technique
Published in Loughborough Antennas & Propagation Conference : 12-13 November 2018, Loughborough, UK (12-11-2018)“…This work is about improving the properties of antenna with resonant structure modeling, using dielectric resonator antenna (DRA). Simulation is carried out…”
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Conference Proceeding -
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Dual-mode behavior of silicon heterostructure switches with third-terminal control
Published in IEEE transactions on electron devices (01-10-1995)“…The performance of three-terminal silicon heterostructure switches is examined. Different types of third terminal injection are considered. The device is seen…”
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Journal Article -
8
Investigation of harmonic radiation control of active patch antennas
Published in 2008 2nd International Conference on Signals, Circuits and Systems (01-11-2008)“…A shaping technique for the radiator of an active patch antenna is described, and shown experimentally to reduce harmonic radiation and therefore enhance the…”
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Conference Proceeding -
9
Power Measurement setup for Active Patch Antenna
Published in 2007 IEEE 15th Signal Processing and Communications Applications (01-06-2007)“…A new substitution method for output power measurement of active patch antennas is reported. In this technique the uncertainties of the standard Friis equation…”
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Conference Proceeding -
10
Simplified waveform measurement in a microwave power amplifier
Published in 1999 IEEE Africon. 5th Africon Conference in Africa (Cat. No.99CH36342) (1999)“…Voltage and current time waveforms in a microstrip-based microwave power amplifier are measured using capacitive and inductive probes with a small spatial…”
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Conference Proceeding -
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Shaping Technique of an Active Patch Antenna for Harmonic Radiation Control
Published in MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference (2006)“…A shaping technique for the radiator of an active patch antenna is described, and shown experimentally to reduce harmonic radiation and therefore enhances the…”
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Conference Proceeding -
12
Design of broadband slotted ground plane microstrip antenna for 3G communication
Published in MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference (2006)“…Designs for small, lightweight and low profile broadband antennas, able to operate within the 3G frequency band, are proposed and investigated. By inserting…”
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Conference Proceeding -
13
The analysis of photoparametric amplifying devices and characteristics
Published in Proceedings of 1995 IEEE MTT-S International Microwave Symposium (1995)“…The photoparametric mode of operation involves optical detection and pre-amplification/frequency conversion within a single device (a photodetector). In this…”
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Conference Proceeding -
14
Experimental and theoretical investigation of high efficiency active patch antennas
Published in 2001 International Conferences on Info-Tech and Info-Net. Proceedings (Cat. No.01EX479) (2001)“…A new shape has been proposed for a micro-strip radiator which showed an improvement in the power added efficiency when integrated with a medium power…”
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Conference Proceeding -
15
DC/RF power loci for various active patch antennas
Published in 2001 International Conferences on Info-Tech and Info-Net. Proceedings (Cat. No.01EX479) (2001)“…A characteristic loop locus of DC power versus RF output power was observed as the frequency was varied around the optimum point of an active antenna…”
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Conference Proceeding -
16
Optically controlled 2.4GHz MMIC amplifier
Published in 10th IEEE International Conference on Electronics, Circuits and Systems, 2003. ICECS 2003. Proceedings of the 2003 (2003)“…In this paper a 2.4GHz MMIC amplifier for mobile applications is used to demonstrate the significant control that can be achieved in the amplifier's…”
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Conference Proceeding -
17
Dependency of IV characteristics of GaAs MESFET on optical illumination
Published in 10th IEEE International Conference on Electronics, Circuits and Systems, 2003. ICECS 2003. Proceedings of the 2003 (2003)“…A high-resolution LED laser based optical measurement system is described to observe the optical dependence of the IV characteristics of a GaAs MESFET device…”
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Conference Proceeding -
18
Harmonic impedance and radiation control for an active patch antenna
Published in ICMMT 2000. 2000 2nd International Conference on Microwave and Millimeter Wave Technology Proceedings (Cat. No.00EX364) (2000)“…A shaping technique for the radiator of an active patch antenna is described, and shown experimentally to reduce harmonic radiation, the result is increased…”
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Conference Proceeding -
19
Simple current waveform probe for microwave amplifiers
Published in The 8th International Conference on Communication Systems, 2002. ICCS 2002 (2002)“…A probe for sensing current waveforms in microstrip-based microwave power amplifiers is demonstrated. Its simple transfer function permits real-time current…”
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Conference Proceeding -
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Broadband stripline fed microstrip patch antennas for 3G mobile communications
Published in The 8th International Conference on Communication Systems, 2002. ICCS 2002 (2002)“…Bandwidth enhancement and size reduction techniques for microstrip patch antennas are demonstrated theoretically and experimentally. Three novel designs of…”
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Conference Proceeding