antenna technology


A Novel Compact and Wideband Multi U-Slotted Microstrip Antenna
free download

Abstract A new compact and wideband multi U-slotted microstrip patch antenna with improved bandwidth is presented in this paper. The antenna is resonating at the center frequency of 4.2 GHz with return loss of-40 dB. The proposed antenna provides an

Experimental Testing on an Effective Technique to Reconstruct the Far-Field Pattern of a LongAntenna from Near-Field Measurements Acquired via Spherical
free download

ABSTRACT In this paper, the experimental validation of a fast and accurate near-field far-field (NF FF) transformation with spherical spiral scanning for elongated antennas is provided. Such a transformation relies on a nonredundant sampling representation of the voltage

Assessment of a field-aligned ICRF antenna
free download

Abstract. Impurity contamination and localized heat loads associated with ion cyclotron range of frequency (ICRF) antenna operation are among the most challenging issues for ICRF utilization.. Another challenge is maintaining maximum coupled power through

Rectangular Patch Antenna for 5.2 GHz WLAN Application using Co-axial feed
free download

ABSTRACT In this paper, the design of co-axial feed microstrip patch antenna (MPA) for 5.2 GHz WLAN application is presented. The impedance matching and the radiation characteristics of this proposed antenna are studied and analysed using High Frequency

Load Balancing with Antenna Tilt Control in Enhanced Local Area Architecture
free download

ABSTRACT Small cell is an attractive and promising technology for improving capacity in traffic hotspots using cell densification. We consider the traffic load balancing problem for small cells under the enhanced Local Area (eLA) architecture utilizing the flexible 3-

A Metamaterial-Based Handset Antenna with the SAR Reduction
free download

Abstract A method to reduce the specific absorption rate (SAR) of the antenna for WiMAX mobile communication is proposed in this paper. The SAR reduction is achieved by miniaturizing the physical size of the antenna for the given resonance frequency by

Numerical Analysis of Antenna near Dielectric Object by Using CBFM with Arbitrary Block Division
free download

ABSTRACT An antenna in the vicinity of dielectric object is analyzed by the characteristic basis function method (CBFM) with arbitrary block division. Numerical examples show the accuracy and computational cost of the CBFM. It is shown that higher-order CBFs beyond

A DOUBLE E SHAPED MICROSTRIP PATCH ANTENNA FOR MULTIBAND APPLICATIONS.
free download

Abstract This paper presents a dual band Compact double E shaped Microstrip Patch antenna with enhanced gain for Worldwide Interoperability for Microwave Access (WI-MAX), Universal Mobile Telecommunication Systems (UMTS) and Satellite applications. The

Design Compact Monopole Antenna with Modified Trapezoidal Shaped Ground Plane for 8.5 GHz Application.
free download

Nowadays, due to high demand of the compact size and high gain antennas. The high gain and the compact size had been the important characteristic in designing the antennas. To achieve the compact size of the antenna design, a microstrip patch antenna had been

Design Of Coaxial Probe Fed Slotted V Microstrip Patch Antenna For Uplink Frequency Of 6ghz In Satellite Communication
free download

ABSTRACT This paper presents microstrip antenna in the application for a satellite band microwave communication system for super high frequency (SHF), at a frequency range of 4.0 GHz 6.0 GHz. Currently, most security, research and education platforms are

The Design of a Near-Field Antenna with a Ferrite Sheet for UHF EPC Applications
free download

Abstract In this letter, a small-loop antenna for a mobile UHF RFID device is proposed. To achieve size reduction, a ferrite sheet optimized for a 900 MHz band is applied. The overall dimensions of the antenna are 46 mm 35 mm 0.24 mm, and it has a bandwidth of 45

Analysis of double stub tuner control stability in a many element phased array antenna with strong cross-coupling
free download

Abstract. Active stub tuning with a fast ferrite tuner (FFT) allows for the system to respond dynamically to changes in the plasma impedance such as during the LH transition or edge localized modes (ELMs), and has greatly increased the effectiveness of fusion ion

Design and Analysis of a Nano Horn Antenna for Harnessing Solar Energy
free download

Abstract Presented in this paper is a concept and design of a Nano horn antenna for harnessing of NIR, with a good return loss and directivity over the range of 200 to 300 THz. A combination of horn and nano antenna were considered for the design of NIR capturing

Design of small reconfigurable microstrip antenna for UWB-CR applications
free download

ABSTRACT This paper discusses the use of compact ultra-wideband (UWB) microstrip monopole antenna with reconfigurable band rejection in cognitive radio (CR). Frequency characteristics of the antenna can be reconfigured electronically to have single or dual

Design of Meander Antenna for UHF Partial Discharge Detection of Transformers
free download

ABSTRACT Ultra high frequency (UHF) partial discharge (PD) detection approaches take advantages of strong anti-interference ability, and have been considered as a promising technology for online monitoring PD signals. This paper presents a meander antenna with

Microwave Dielectric Properties of Ni 0.2 CuxZn0. 8-x Fe 2 O 4 for Application in Antenna.
free download

ABSTRACT Structural, vibrational and microwave dielectric properties of Nickel-Copper-Zinc ferrite (Ni0. 2CuxZn0. 8- xFe2O4) ceramics have been presented in this paper. Samples have been prepared using conventional auto-combustion method. The X-ray diffraction (

Analysis of Electromagnetically Coupled Microstrip Antenna
free download

Abstract In this paper the analysis of electromagnetically coupled microstrip antenna is discussed for different substrate materials. Designing frequency is taken from 2.5 GHz to 4.0 GHz. After calculating the various parameters such as inner radius, outer radius, and

Design and Simulation of Single Band Rectangular Patch Antenna
free download

Abstract In the communication world microstrip patch antennas are of great use. Here a single band antenna at resonant frequency 1GHz is being designed. A slot is made, and then simulations are being carried out by using IE3D software [12]. Return loss, Directivity,

Optimization of Linear Antenna Array Using Big Bang Crunch Algorithm for Reduction in Side Lobe Levels
free download

ABSTRACT The basic property of an antenna is to transmit and receive energy signal in one/all direction. This fundamental property is directivity. This paper employs big bang crunch algorithm optimization method for the synthesis of broadside linear antenna array.

A Novel, Low-Profile, Vertically-Polarized UWB Antenna for WBAN
free download

ABSTRACT This paper proposes a novel, low-profile UWB an-tenna for wireless body area network (WBAN) applications. The antenna has a polarization perpendicular to the body- free-space interface, which is interesting in order to minimize the coupling into the body.

Effect of Kidney Malignant Tissues on Antenna Resonance
free download

Abstract A logarithmic spiral microstrip antenna (LSMA) is designed, simulated and measured in rabbit’s kidney. The antenna operates in the Medical Implant Communications Service (MICS) band at 403 MHz. It is fabricated on Rogers RT6010 (lossy) with relative

A Survey on Different Feeding Techniques of Rectangular Microstrip Patch Antenna
free download

Abstract In this paper describe the different feeding technique for wireless microstrip antenna, which are microstrip line feed, coaxial plane feed, proximity coupled feed and aperture couple feed. Microstrip line and coaxial probe feeds are contacting scheme, in

A Compact Multi Antenna System with DGS
free download

Abstract A compact multi antenna system with DGS (Defective Ground Structure) for ECM (Electronic Countermeasure) applications is proposed in this paper. Two monopoles are located on the opposite corners of the PCB and spaced 10 mm apart by a small ground

Compact Tunable Coupled-fed Loop Antenna for Multi-band LTE/WWAN Operation in the Mobile Phone
free download

ABSTRACT A small-size reconfigurable coupled-fed loop antenna for multi-band LTE/WWAN mobile handset is presented. The antenna volume is 5 x 10 x 30 mm3 only, while the protruded ground has a width of 30 mm for mounting electronic components. The

The Study of a Novel Patch Antenna Sensor.
free download

ABSTRACT In order to improve the bandwidth of the traditional patch antenna, a new antenna sensor based on the U-slot antenna was designed in this paper. The electromagnetic simulation software Ansys-HFSS was used to analyze the impact of the antenna

DESIGN AND DEVELOPMENT OF STUB LOADED CORNER TRUNCATED SQUARE MICROSTRIP ANTENNA FOR DUAL, TRIPLE AND QUAD BAND
free download

ABSTRACT A novel design of U-stub loaded corner truncated square microstrip antennas are proposed for dual, triple and quad band operation. The triple bands are achieved by placing U-stubs along vertical sides of the truncated square patch. However, by placing a U-stub

Conical Slot Antenna for Air and Sea Vehicle Applications
free download

Abstract. Antennas constitute a decisive component of all communications abilities. The development of ground, air, sea, and space-based antennas must totally comply with the state-of-the-art and beyond advances in vehicle communications systems. Mobility,

Design and Simulation of Hexagon with a Diamond Slot Microstrip Patch Antenna
free download

ABSTRACT With the ever-increasing need for portable computing devices and the emergence of many systems, it is important to design a portable and efficient antenna for communication The design of an efficient wide band small size antenna, for recent wireless

Radiation of Modulated Ultra wide band (UWB) Signals by Switched Resonant Patch Antenna
free download

ABSTRACT Design of planar antennas which provide large impedance bandwidth and also large radiation bandwidth is a challenge in UWB systems. Although ultra wide impedance bandwidth is readily achievable, radiation pattern rotation and phase centre

Stored energy based 3D antenna analysis and design
free download

Abstract A method to estimate QZ of antennas from a single frequency current distribution is introduced. Three-dimensional (3D) antennas are studied using this single-frequency method and previous results on single-frequency Q-factor estimation and current

Conductivity Evaluation of a Newly Proposed Material for a SAR Reflector Antenna
free download

Abstract Large spaceborne antennas should be lightweight, a factor related to the development costs of launch vehicles. In order to overcome this drawback, a feasibility study of a new carbon fiber reinforced polymer (CFRP) named M55J/RS3 is carried out for a

A Dual-band Printed Slot Antenna Based on Modified Sierpinski Triangle
free download

Abstract Thispaper presents the design of a compact microstrip fed printed slot antenna to be used for dual-band wireless applications. The slot structure of the proposed antenna is based on a modified Sierpinski triangle which is a variant of the conventional Sierpinski

Modelling of UWB antenna perturbed by human phantom in spherical harmonics space
free download

ABSTRACT In this paper we study how the antenna radiation pattern is perturbed in the presence of a human phantom in terms of changes in the coefficients of the spherical harmonic antenna representation. The spherical harmonic basis allows for a compact


COMMENT rf-basic





FREE IEEE PAPER