This article presents a circularly polarized 4-port Multiple Inputs Outputs dielectric resonator-based antenna with two resonating bands for WLAN (5.0 GHz) and WiMAX (3.5 applications. Important attributes of proposed MIMO-DRA are: (i) Bandwidth enhancement is observed due to the use ring-shaped ceramic material radiator; (ii) Incorporation rectangular aperture lead excite dual hybrid mode in ring DRA, which helps support dual-frequency range (iii) Circular polarization achieved both...

In this article, a novel configuration of ring dielectric resonator-based multiple input output antenna (MIMO) is proposed with beam tilting characteristic. To achieve the and low correlation among far-field patterns, conducting plate positioned in between elements. Dual resonating frequencies are obtained by exciting DRA electromagnetically microstrip line via optimized double-ring loaded slots. All ports arranged parallel fashion. Port-1/port-2 placed 1800 out phase port-3/port-4. The...

Abstract In this communication, quad port MIMO antenna is designed and examined. It by ring shaped ceramic material. The main attribute of proposed analysis are: (a) dual radiating modes are created in the resonator, that is, HE 11 δ 12 mode with assistance pentagon aperture; (b) help polarization space diversity, mutual coupling lower than −20 dB among ports; (c) ceramics provides better bandwidth performance as compare to cylindrical ceramic. Measured results fabricated protytpe confirms...

This paper presents wideband E shaped MSA for high speed WLANs operating in the 5-6 GHz range. By using slotted edge and changing position of probe bandwidth equal to 14.90% is achieved. The antenna fed by coaxial feeding technique. designed operates WLAN frequency band i.e. 5.15 -- 5.35 5.725 5.825 which suitable a tourist or traveler who travelling different parts world gain access specification as transceiver containing will cover range from GHz. on rogers substrate simulated Zeland IE3D software.

This paper presents the increase in bandwidth of a microstrip antenna using duo triangle shaped probe-fed patch. The main aim is to obtain wideband with reduced size. dual 7.68% and 36.56% covering range from 1.745-1.884 GHz 2.229-3.226 has been achieved. dimension position duo-triangular patch as well shifting probe-feed coordinates have optimized achieve wide bandwidth. proposed designed all parameters are simulated on Zeland IE3D software.

Abstract A novel compact broadband microstrip patch antenna is presented for various wireless applications. The proposed has been fabricated and the impedance bandwidth radiation pattern are measured. simulated measured characteristics along with gain presented. It stated that designed can completely cover required band widths of Digital communication system (DCS 1.71–1.88 GHz), Personal (PCS 1.85–1.88 GHz) IEEE 802.11b/g (2.4–2.485 satisfactory characteristics. Experimental result shows...

Wireless sensor networks (WSNs) are widely used in a variety of sectors, including the surveillance, healthcare, and military, so on. The high cost short lifespan wireless prohibit emerging low-income nations for using their benefits. This article proposes compact, low cost, broadband coplanar waveguide rectenna with simple novel ground plane operate band range 4.8–5.5 GHz (700 MHz) an effective solution to radio frequency (RF) energy harvesting applications WSNs. A parametric study distinct...

Abstract In this paper stacked configuration of microstrip antenna is used to produce dual wide band which suitable for various wireless applications. Using triangular slot and stacking foam substrate dielectric constant 1, two bands bandwidth 18.70% 12.10% obtained. The fed by coaxial probe feeding technique. proposed patch designed on the simulated Zeland IE3D software.

Micro-strip patch antenna's have been widely used for the application of RF and wireless system because their small size, light weight easy realization. In this paper we reduced resonating frequency by lengthening excited surface current path without increasing antenna length analyzed parameters changing feed technique. On introduction an annular ring in between symmetrical L-slotted resonance is 29.91% when edge-fed or microstrip-line technique used. The coaxial results dual band operation...

In this paper, a new design for U-shaped microstrip patch antenna is proposed, which can be used in WiMAX communication systems. The aim of paper to optimize the performance antenna. Nowadays, applications are widely using and it has become very popular. Our proposed uses 4-4.5 GHZ frequency band working at narrowband within band. RT/DUROID 5880 material creating substrate This modified gives high terms gain return loss.

This paper presents dual wideband microstrip antenna which is designed using stacking configuration to give a better bandwidth as compared single layer substrate design. The slotted stacked patch can operate in the Wimax, (2.2-3.4 GHz) WLAN (2.40-2.48GHz), and UMTS II (2.50-2.69GHz) frequency band giving maximum of 37.95%. air used dielectric between two stacks height 10 mm kept stacks. feeding technique design coaxial probe feed impedance matching radiation characteristics structure are...

A two-port circularly polarized multiple inputs outputs (MIMO) cylindrical dielectric resonator antenna (cDRA) is proposed for 5G Applications. The orthogonal orientation of elements allows us to obtain the isolation more than 15 dB. Z-shaped slot incorporated on ground plane produces circular polarization and introduction cDRA optimized dimensions aperture coupled feeding helps wide impedance bandwidth high efficiency operating bands. has three resonating bands 2.9-3.2 GHz, 3.44-3.64...

A compact coplanar waveguide with slotted symmetrical M-shape microstrip patch antenna has been presented in this paper to perform wireless radio frequency (RF) energy harvesting Wireless Sensor Network (WSN) applications at a center of 5.8 GHz. Non-uniform or irregular line design proposed improve the gain maximum about 2.04 dB and it also increases current distribution along edges across feed line. Omni-directional radiation pattern obtained GHz for ambient applications. In RF system,...

State estimation is a challenging and most crucial issue in the industry for proper monitoring controlling of plants. These kinds control systems have requirement costly measurement sensors/equipment measurable unmeasurable state variables dynamical drawbacks can be overcome by designing sensorless system to estimate variables. In proposed work, speed DC motor implemented using fractional-order adaptive Kalman filter (FOAKF). The FOAKF algorithm uses fractional feedback loop previous gain...

In this article, sensorless speed control of DC motor has been proposed using the extended Kalman filter (EKF) estimator and Takagi–Sugeno-Kang (TSK) fuzzy logic controller (FLC). industry, high-cost measurement systems/sensors are necessary for better controlling monitoring, which can be replaced by a technique to reduce cost, size increase system reliability robustness. EKF used perform estimating armature current only TSK-FLC is effect parameter variation load torque nonlinearity in close...

In this paper, bandwidth of micro strip antenna is increased by introducing a slot W shape and using stacked configuration. The proposed MSA suitable for high speed WLANs applications. By different approach enhancement such as configuration, cutting changing the position coaxial probe equal to 25.78% achieved. fed feeding technique. designed operates in frequency range 4.381GHz 5.668GHz covering WLAN band 5.15 GHz -- 5.35 GHz. air dielectric substrate between two layers simulated on Zeland...