ENGINEERING RESEARCH PAPERS

antenna research papers 2015 IEEE PAPER




A 28 GHz FR-4 Compatible Phased Array Antenna for 5G Mobile Phone Applications
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The design of a 28 GHz phased array antenna for future fifth generation (5G) mobile-phone applications has been presented in this paper. The proposed antenna can be implemented using low cost FR-4 substrates, while maintaining good performance in terms of gain and

Simulation of ultra-wideband co-planar boat microstrip patch antenna with IE3D software for wireless communication
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Use of conventional microstrip antennas is limited because of their poor gain, low bandwidth and polarization purity. There has been a lot of research in the past decade in this area. These techniques include use of cross slots and sorting pins, increasing the thickness of

Meta Material Based Micro Machined Antenna For Bio Medical Applications
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Abstract:In this paper a miniaturized implantable antenna has been presented for off-body communications between implants and base stations for wireless medical telemetry. Wireless medical telemetry is the need of the hour to support real time transmission of

Single Notched-band UWB Antenna For WLAN Environment Using Complementary Split Ring Resonators CSRR and Spiral Resonator CSR
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Page 1. Results Discussions Single Notched-band UWB Antenna For WLAN References 0 0 0 2 w r LC p = Introduction In this work we propose the design of UWB monopole antenna, providing single notched-band for WLAN 5-6 GHz to avoid interference signals, using

Bandwidth Amelioration In Miniaturized Patch Antenna Through Defective Ground Structures For Bio Medical Applications
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Abstract:Improvement of implantable bio medical devices has become an interesting research field today. In this paper substantial reduction of size of the micro strip patch antenna has been achieved which can be used for bio medical purposes using

Antenna Designs of Smart Watch for Cellular Communications by using Metal Belt
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Abstract:In this paper, we present three cellular antenna designs for the smart watch application by using the metal watch belt. Our proposed antennas can cover cellular bands down to 700 MHz and up to 2.7 GHz. Their performance in the free space and user cases

REDUCTION IN THE SIZE OF RECTANGULAR MICROSTRIP PATCH ANTENNA
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Abstract-In the era of nanotechnology, size is matter. For such purpose, the design is focused on reduce the size of rectangular microstrip patch antenna. In the design, firstly design a patch antenna at resonating frequency 2.4 GHz. After that, the antenna design

COMPOSITE RIGHT/LEFT HANDED LEAKY WAVE ANTENNA STRUCTURES: AN OVERVIEW
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Composite right/left handed transmission line (CRLH-TL) is an efficient transmission medium loaded with capacitors and inductors. It is a candidate of Leaky Wave Antenna (LWA) operating in the µ-wave and mm wave region. Numerous structures have been

A Dual band Human Shaped Microstrip Patch Antenna for 2.4 GHz and 5.4 GHz Applications
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Abstract: The article presents a structure of human shape microstrip patch antenna operating at dual frequencies. In this paper a rectangular patch of human shape cutting is proposed. The human shape antenna is designed for wireless applications, which works at 2.4 GHz

Bandwidth Enhancement of Microstrip Fed Koch Snowflake Fractal Slot Antenna
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Abstract:This paper presents a microstrip line fed fractal slot antenna. Koch snowflake fractal slot are used as a resort to achieve bandwidth enhancement. By increasing the iteration order (IO), the bandwidth can be significantly broaden. Both simulation and

Design and Analysis of Dual-Loop VHF Circularly Polarized Antenna for Low Earth Orbit Satellites Ground Stations
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ABSTRACT The State University of Rio Grande do Sul is one of the partners to develop a National Satellite Network Stations for remote sensor data gathering and communication in Universities and Schools. The research has focused on a Low Earth Orbit (LEO) CubeSat

A low-loss, broadband dielectric antenna enabling highly efficient photon collection from a coherent NV center spin in diamond
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Extracting light from single quantum systems in high index, solid state materials is intrinsically challenging and highly relevant for applications in quantum information and sensing. We here introduce a novel solution to this challenge, in form of a broadband,

Bandwidth Enhancement of A microstrip Patch Antenna for C-band and X-band By Using New Structure of Defected Ground Technique
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Abstract:In this paper, defected ground structure (DGS) technique has been suggested for the rectangular microstrip patch antenna (RMSA) proposed in the previous study for bandwidth enhancement in C-band and X-band with good impedance matching. The

Wideband, Multiband, Tunable, and Smart Antenna Systems for Mobile and UWB Wireless Applications 2014
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With the advent of high data rate 3G and 4G wireless communication systems and the app- based use paradigm, wireless connectivity through multiple air interfaces has become a common requirement in the RF architecture of mobile communication devices. Modern

Antenna Array with Reduced Inter-Element Displacement for Wireless Communication
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ABSTRACT The paper proposes a novel antenna array design of patch antenna loaded with split ring structure, in the frequency band 2.7 GHz. First, single structure was designed and analyzed then an array was constructed to increase the Directivity Gain. Correlation co-

The application of in-flight antenna pattern corrections to GPS-based baseline determination for formation flying GRACE
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Estimated in Kalman filter Data arc DOY 213-232, 2014 or Aug 1 – 20, 2014 Antenna pattern GRACE-A Along-track Page 6. trailing one. Signal interference Cross-talk interference between two GPS antennas. Antenna pattern GRACE-B Along-track Page 7.

Compact helical antenna for smart implant applications
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Smart implants are efficient tools for monitoring physiological processes in the human body, which is especially crucial after a surgical treatment. These intrinsically multifunctional devices should sense a signal, process it and communicate it to a patient or her/his

Design and Implementation of a Bi-polar Planar Near-field Antenna Measurement System
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Abstract The purpose of this project is to design and implement a bi-polar planar near-field antenna measurement system. This system collects the fields arising from an antenna under test (AUT) on a plane situated in close proximity to the AUT. Using this measured near-

Slot Line Fed Uniplanar Antenna for 2.4/5.8 GHz WLAN Applications
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ABSTRACT A compact dual band uniplanar antenna suitable for 2.4 and 5.8 GHz (IEEE 802.11 b/g and 802.11 a) WLAN application is presented. The 0.280× 0.320 structure comprises of a modified slot line as the radiating element. The ground plane size of

Vertically Polarized Omnidirectional Printed Slot Loop AntennaPrinted Slot Loop Antenna
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A novel verticall A novel vertically polarized depolarize, omni direction omnidirectional l, printed slot loop antenna h sprinted slot loop antenna has been designed, simulated, fabricated, and measured. The slot loop works as a magnetic loop. The loop is loaded with

Metallic Plasmonic Nano-antenna for Wireless Optical Communication in Intra-body Nanonetworks
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ABSTRACT Nanonetworks consist of nano-sized communicating devices which are able to perform simple tasks at the nanoscale. Nanonetworks are the enabling technology for unique applications, including intra-body health-monitoring and drug delivery systems. In

Design of E-shaped Fractal Antenna for Multi-band Applications
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Abstract-This paper presents E-Shaped fractal patch antenna. There are three iterations have been applied one by one on the rectangular patch which results in fractal patch antenna which resonates at 2.8 Ghz, 3.5-5.4 Ghz, 6-6.5 Ghz respectively. This antenna

Design of Vivaldi Antenna Array with End-Fire Beam Steering Function for 5G Mobile Terminals
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This manuscript proposes a new design of phased array antenna for future fifth generation (5G) cellular communications. The proposed phased array antenna is designed on a low- cost N9000 PTFE substrate with overall size of 60× 120× 0.8 mm3. It consists of eight 28-

Bandwidth Enhancement of Small Square Monopole Antenna with Dual Band Notch Characteristics Using U-Shaped Slot and Butterfly Shape Parasitic Element
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Abstract- In this study, a dual band notch microstrip antenna for UWB applications has been presented. The antenna consists of a stepped patch with U-shaped slot, two rectangular shaped slots in the ground plane and a butterfly shaped parasitic backplane

High Gain Patch Antenna for Broadband Applications from 10.1 to 14.2 GHz
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Abstract:This paper reveals a patch antenna with a large bandwidth of 34% and a high gain of 8 dBi in the frequency range from 10.1 to 14.2 GHz. The patch antenna is a four layer design comprising of a superstrate dielectric layer of er 10.2 on top of a metal layer with six

Design and Operation of an Edge-Wall Slotted Waveguide Array Antenna with Ultralow Side Lobes for Application of Off-Shore Radar
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Journal of Marine Science and Technology, Vol. 23, No. 5, pp. 620-627 (2015) DOI: 10.6119/JMST-015-0226-2 DESIGN AND OPERATION OF AN EDGE-WALL Ke-Ru

Effect of spiral microwave antenna configuration on the production of nano-crystalline film by chemical sputtering in ECR plasma
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Nano-diamond thin film has been successfully prepared by placing a Si substrate in front of target in pure hydrogen electron cyclotron resonance plasma. A quadrupole mass analyzer coupled to an orifice monitored the molecular species distributions produced at

Review of Microstrip Patch Antenna Using UWB for Wireless Communication Devices
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Abstract:As per Microstrip Patch antenna (MPA) provide low profile and low volume, so it is use in a now a days communication devices. In this paper study of past few year shows that targeted on planning compact sized microstrip antenna. A novel

Design and Simulation of a L and U-Shaped Slot Compact Planar Monopole Antenna
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ABSTRACT This paper presents the design of a new compact antenna structure for multiple incorporating operation service. The proposed antenna is suitable to operate at three different frequency bands, 3.9839 GHz (3.9165 GHz–4.0340 GHz), 4.4271 GHz (4.3830 Abstract:A higher order diffracted field calculation to improve the accuracy of a multiple screen diffraction scenario analysis is discussed. In particular, this communication addresses and investigates the accuracy of the Epstein–Peterson prediction method

Achieving Large Multiplexing Gain in Distributed Antenna Systems via Cooperation with pCell Technology
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Abstract:In this paper we present pCellTM technology, the first commercial-grade wireless system that employs cooperation between distributed transceiver stations to create concurrent data links to multiple users in the same spectrum. First we analyze the per-user

DESIGN OF A WIDEBAND PLANAR ANTENNA ON AN EPOXY-RESIN-REINFORCED WOVEN-GLASS MATERIAL
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In this study, the design and prototyping of a compact planar antenna is presented for wideband applications. The designed transmission-line-fed antenna is composed of a rectangular radiating patch and a partial ground plane and is printed on both sides of a

Effect of 2D-EBG Structure on Monopole Antenna Radiation and analysis of its characteristics
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Abstract: In this paper, we present a two dimensional electromagnetic (2D-EBG) square shaped mushroom structure placed between two monopole antennas. Two artificial properties of this 2D-EBG structure such as PMC and Band Reject Region are

Compact Micro Strip Fed Koch Fractal Monopole Loop Antenna for Multiband Performance
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Abstract--A compact Koch fractal monopole loop antenna with 50 micro strip feed for multiband application is presented. The proposed antenna is designed on duroid 5880 substrate with the dimensions of (Lsub) 57 mm*(Wsub) 49mm*(h) 1.6 mm with the ground Abstract Optimization strategies have been heavily used in the antenna design community for many years. Oftentimes, the details of the strategies and optimization configurations are left out of the designs in open literature. The goal of this chapter is to inform the reader of

A novel mode and frequency reconfigurable origami quadrifilar helical antenna
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Abstract-This paper presents a design of origami mode and frequency reconfigurable quadrifilar helical antenna that can reconfigure itself to operate at different modes (ie, normal or axial mode) and different frequencies. This antenna is also collapsible and therefore, it

Exploiting Novel Patch Antenna Designs for Emerging Wireless Communication and 4G Applications
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Abstract:The aim of this paper is to design an emerging wireless based antenna. An equilateral triangular patch antenna with coaxial feed and with slots are designed and compared in this paper. The simulation is performed to understand the characteristics of

Microstrip Patch Antenna at 7 GHz for Satellite Communication
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Abstract:A microstrip patch antenna for satellite application is proposed in the paper. The antenna has a frequency bandwidth of 0.3 GHz (6.8500 GHz-7.1500 GHz) centered at 7 GHz with a return loss of-27.533 dB. The antenna has a planar rectangular geometry with

Design and Analysis of Ultra Wide Band Giuseppe Peano Fractal Antenna at Different Height Level of Substrate
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Abstract: In this paper microstrip patch antenna is designed for ultra wide band application. Giuseppe Peano algorithm is applied on microstrip patch antenna with rectangular patch of size 30× 24 mm2. Coaxial Feed line is used with the patch antenna and results are carried

Loop Antenna and Rectifier Design for RF Energy Harvesting at 900MHz
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Abstract-Present era of wireless communication provides opportunity to harvesting energy from radiations. That can be used to excite low power devices. This paper reports a new microwave energy harvesting system to harvest energy from cellular network Frequency

Design and fabrication of ultrawideband 3 hexagonal shaped microstrip antenna for 4 WPAN applications 5
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14 This paper introduces ultra-wideband (UWB) antenna for WPAN application with reduced ground plane size. This paper proposed a hexagonal antenna with microstrip feed line The proposed antenna with small size and different ground structure is considered to reduce

Compact Microstrip Patch Antenna Using Parasitic Technique for C-Band Line of Sight Communication
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ABSTRACT In this paper, design of compact Microstrip patch antenna using parasitic technique for line of sight communication is proposed, having hexagonal shape ground plane. The proposed antenna has slots in the patch to achieve wideband. The antenna

Design and Analysis of Hexagonal Fractal Antenna for UWB Application
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Abstract A fractal antenna having the shape of hexagonal for UWB application is designed. The frequency band is considered from 3 to 10.6 GHz. This antenna is designed on a dielectric FR4 epoxy substrate of dimension (50mm X 40mm) permittivity€ r= 4.4 and

Virtual Small Cells Using Large Antenna Arrays as an Alternative to Classical HetNets
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Abstract:In 4G the introduction of small cells is the solution to cope with dense traffic areas. The deployment of new equipment implies a non-negligible cost in terms of backhauling, sites acquisition, maintenance and network energy consumption. Advances

Expanded Communications Satellite Surveillance and Intelligence Activities utilising Multi-beam Antenna Systems
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Summary The recent expansion of FORNSAT/COMSAT (foreign satellite/communications satellite) interception by the UKUSA or Five Eyes (FVEY) partners has involved the installation over the past eight years of multiple advanced quasi-parabolic multibeam

A Compact Liquid Based Cylindrical Dielectric Resonator Antenna for S Band
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II. ANTENNA DESIGN Both radius (a) and height (h) of cDRA are taken as 10mm. Duroid of er= 2.2 is used for designing outer cylindrical shell of cDRA, both inner radius (b) and inner height (hi) of the shell is 8mm. Normal water (er~ 77) is used to fill up the inner cylinder.

Comparative Study of Antenna Designs with Harmonic Suppression for Wireless Power Transfer
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Abstract: This paper presents the investigation and characterization of antenna design with harmonic suppression for wireless power transfer to improve the overall system performance for RF/microwave front-end subsystems. This study focuses on the geometry of antenna to

Compact Triple-band T-shape Microstrip Patch Antenna
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Abstract:A triple-band T-shape microstrip patch antenna is reported in this paper. Using a T- shaped parasitic strip and electromagnetic couple feeding technique, the patch antenna generates three separate resonant modes to cover the L1 frequency range of 1.575 GHz

LTE Technology: Antenna, RF Front-Ends, and Channel Modeling
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Mobile communications are more and more involved in our daily life. The long term evolution (LTE) standard is proposed to provide high data rate due to the exploding demands for faster and ubiquitous communication nowadays. It has dramatically driven

Challenges of 60 GHz On-Chip Antenna Measurements
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Abstract:Performing on-chip antenna measurements at 60 GHz presents new challenges and magnifies legacy challenges. Testing on-chip antennas uses a micro-probe to interface the RF measurement system to the antenna under test (AUT). The small features of the

Linear Antenna Array Synthesis using a Hybrid Method of Moments and Genetic Algorithm to Reduce the Side Lobe Level
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Abstract-Side lobe level (SLL) reduction has a significant importance in atmospheric radar systems. It reduces the effect of unwanted signals outside the main lobe. Many attempts based on analytical schemes are exerted for this purpose. However, these methods are

A Wideband Compact WLAN/WiMAX MIMO Antenna Based on Dipole With V-shaped Ground Branch
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Abstract:A wideband printed dipole with V-shaped ground branches is proposed, which is designed for multiple-input multiple-output (MIMO) antennas. It is based on a dipole with an integrated balun, and V-shaped ground branches are introduced to improve the

Single Antenna Interference Cancellation Algorithm Based on Lattice Reduction
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Abstract Single antenna co-channel interference (CCI) cancellation is a challenge in mobile communication systems, especially for downlink systems. A novel single antenna CCI cancellation algorithm based on lattice reduction (LR) and decision feedback

Single-Layer Single Patch Quad band Antenna for SC Band Application
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Abstract In this paper, A quad band Lange shape micro strip patch antenna for S C band application is presented, which is incorporated by Lange shaped slot structure in square patch antenna. The proposed antenna has the resonating frequencies at 3.18 GHZ with

Modeling of EAST ICRF antenna performance using the full-wave code TORIC
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Abstract. Access to advanced operating regimes in the EAST tokamak will require a combination of electron-cyclotron resonance heating (ECRH), neutral beam injection (NBI) and ion cyclotron range frequency heating (ICRF), with the addition of lower-hybrid current

Cross Slot Rectangular Microstrip Patch Antenna for WLAN Application
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ABSTRACT The paper presents an X slot rectangular microstrip patch antenna with quarter wave feed technique that operates in wireless local area network applications. Microstrip antenna with X slot is proposed to achieve circular polarization, reduce the size and widen

A Study of the Effects of Electromagnetic Fields on Digital Television Antenna Radiation: A Simulation and Evaluation of Exposure
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Abstract:Electromagnetic compatibility is the ability of systems or equipment to be tested in the intended environment through levels of efficiency without degradation caused by electromagnetic interactions. Compliance with safety limits requires tests to measure the

Compact U-shape radiating patch with rectangular ground planar monopole antenna
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Abstract: A compact U-shape radiating patch with rectangular ground planar monopole antenna is proposed. Antenna is fabricated on FR4 substrate with permittivity 4.4 and loss tangent 0.02 with dimension 75 (LR)× 48 (WR)× 1.6 (h) mm3. Measured return loss is=-

Scattering Parameters and Gain of two Longitudinal Slots of Same Electrical Lengths Milled on two Waveguides for Series and Shunt Slot Array Planar Antenna
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Abstract---This paper presents a study of two longitudinal slots of same electrical lengths milled on two waveguides for series and shunt slot array planar antenna. Initially single longitudinal slot element is milled on waveguide which is called single element

Body Phased Array Antenna for Body Area Network
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Abstract:This paper presents design of body phased array using optimized dual frequency patch antenna for C band focusing on 5 and 8 GHz frequency band. Inclusion of slots with near about symmetrical distribution on conducting plane and notches in both plane and

Compact Single Layer CPW-Fed Antenna with Hexagonal Slot for Ultra Wideband Applications
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Abstract A new compact single layer ultra-wideband patch antenna is proposed. The antenna operates from 3.05 GHz to 10.9 GHz in the ultra-wide bandwidth range, which is more than the standard, set by FCC. The planar antenna is printed on FR-4 substrate

Design of Micromachining Based Patch Antenna to Enhance Performances for RFID Tag Application
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Abstract Antenna is a significant component of wireless communication system. Radio Frequency Identification (RFID) is one of the activities of Automatic Identification (AUID) system which comes under wireless system. To track any object wirelessly in RFID system

Symmetric T and Staircase slot Microstrip Patch Antenna for S Band, Wimax Application by Using IE3D Software
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ABSTRACT The design and measured results of T and staircase slotted rectangular patches are presented. A single feed compact microstrip antenna with resonant frequency 3.1 GHz is proposed in this paper. The characteristics of the designed structure are investigated by

Design of an Inverted U-Shaped MIMO Patch Antenna for Dual Band Applications
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Abstract: A compact design of two element Multiple Input MultipleOutput (MIMO) system is proposed using an inverted U-shaped patch antenna. The antenna is fed by a coaxial feeding technique printed on a dielectric FR-4 substrate. The proposed MIMO system

Novel planar transmission line coupling elements for use in deployable antenna systems
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ABSTRACT Beam-forming network (BFN) losses can severely limit the efficiency of very large aperture direct radiating array (DRA) antennas. At low frequencies, the BFN typically uses coaxial cable technology but launch vehicle, stowage and deployment requirements

A Novel Stacked Slotted Bow-Tie Antenna Element at 11.7 GHz
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Abstract:A novel stacked slotted bow-tie antenna element with a large bandwidth resonating at 11.7 GHz for satellite TV broadcasts is revealed. The simple and cost effective antenna element is built on common dielectrics and is an extension of the popular patch

Design and Simulation of a C-Band Pyramidal Horn Antenna for Water-Level Radar Sensors
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ABSTRACT A prototype C-band pyramidal horn antenna was fabricated after using High Frequency Structure Simulator (HFSS) software to simulate, analyze, and optimize the design parameters. The pyramidal horn antenna was designed to operate as a key

SRR Shape Dual Band CPW-fed Monopole Antenna for WiMAX/WLAN Applications
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Abstract CPW structure is became common structure for UWB and multi band antenna design and SRR structure is well-known kind of metamaterial that has been used in antenna and filter design for multi band application. In this paper, a SRR dual band monopole

77-GHz High-Gain Bull's-Eye Antenna With Sinusoidal Profile
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Abstract:A high-gain Bull's-Eye leaky-wave horn antenna working at 77 GHz with sinusoidal profile has been designed, fabricated, and experimentally measured. The influence of the number of periods on the gain and beamwidth is numerically investigated.

A Novel 2Directional Blind Direction of Arrival Estimation Algorithm for Smart Antenna
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ABSTRACT It is shown Smart antenna is one of the dynamic research areas in wireless communication systems. The demand for smart antenna increases drastically when dealing with multiuser communication system, which needs to be adaptive, especially in time

Body-Worn Spiral Monopole Antenna for On-Body Communications
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Abstract A novel body-worn spiral monopole antenna is presented. The antenna consists of a ground plane and a spiral monopole. The antenna was designed for Ear-to-Ear (E2E) communication between In-the-Ear (ITE) hearing instruments at 2.45 GHz and has been

Design of Compact Microstrip Patch Antenna with DGS Structure for WLAN Wi-MAX Applications
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ABSTRACT This paper present the design and performance of a microstrip fed circular patch antenna with defected ground plane. The overall size of antenna is 35mm× 30 mm× 1.59 mm. The proposed antenna is simulated by applying CST Microwave Studio simulator.

DESIGN AND OPTIMIZED ANALYSIS OF T-SLOTTED TRAPEZIUM SHAPED MICROSTRIP PATCH ANTENNA
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Abstract-A Trapezium shaped microstrip patch antenna with T-slot is presented in this paper. To design Trapezium shaped patch antenna, FR4 substrate are used. The relative permittivity of substrate is 4.4 and loss tangent is 0.0013. The substrate has thickness of

Study and Performance Analysis of UWB Antenna for UWB communication Systems
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Abstract:In this article, recent papers on UWB antennas are studied; different geometries, design parameters and their experimental results are discussed. Several types of UWB antennas in recent papers are described together while comparing their measured

DESIGN OF A CPW FED POLARIZATION DIVERSITY UWB ARRAY ANTENNA
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ABSTRACT Antenna diversity is an effective solution to mitigate multipath fading signals and enhance the system capacity. Ultra wide band has become one of the most favourable technologies for wireless communications owing to its promising features such as low

PERFORMANCE ANALYSIS OF AODV, DSR AND ZRP ROUTING PROTOCOLS IN MANET USING DIRECTIONAL ANTENNA
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Abstract: In this paper a comparative study is done for different routing protocols in mobile ad- hoc network by using directional antenna. The directional antenna is metamaterial rectangular patch antenna. Performance of MANET can be improved using metamaterial

Performance Improvement of Microstrip Patch Antenna Using Defected Ground Plane
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ABSTRACT This paper presents a design of planar microstrip patch antenna (MPA) with full ground plane which is able to operate at 5.5 GHz frequency with 200MHz band. The return loss at 5.5 GHz is-29.5 dB for inset feed antenna. Maximum gain of this antenna is 5.7 dB.

Estimation of the Substrate Size with Minimum Mutual Coupling of a Linear Microstrip PatchAntenna Array Positioned Along the H-Plane
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Abstract Mutual coupling between antenna elements of a linear microstrip patch antenna array positioned along the H-plane including the effect of edge reflections is investigated. Simple formulas are presented for the estimation of the grounded dielectric substrate size

PARAMETRIC ANALYSIS OF DUAL BAND MICROSTRIP PATCH ANTENNA OF S-BAND APPLICATION
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It is very important to study the effect of variation of parameter associated with patch antenna. In this paper, design of Dual-band microstrip patch antennas is carried out with the help of Ansoft HFSS. RogersRT/duroid5880 (tm) are utilized as substrate and pec is used

Design and implementation of a Planar Array Antenna for L5 band of Indian Regional Navigational Satellite System (IRNSS)
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(IRNSS) is an autonomous regional satellite navigation system being developed by the Indian Space Research Organization (ISRO) which would be under complete control of the Indian Government. The requirement of such a navigation system is driven by the fact that

Design of Elliptical Patch Antenna with Single Double U-Slot for Wireless Applications: A Comparative Approach
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Abstract: A novel approach in the field of wireless communication industry continues to drive the requirements for small, compatible, and affordable multiband antennas. To overcome the challenges of multi-frequency operation a new scheme of multiband is proposed. So, in

Indoor GPS positioning using a slowly moving antenna and long coherent integration
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Abstract:A method to enhance the indoor positioning accuracy by alleviating the effect of multipath distortion is presented. Using this method the line-of-sight (LOS) and nonline-of- sight (NLOS) signals are separated in the frequency domain and multipath induced errors

A Transparent UWB Antenna with a 5 to 6 GHz Band Notch Using Two Split Ring Resonators
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Abstract- A miniaturized thin film transparent ultrawideband (UWB) antenna design with a band notch is presented. A pair of split-ring resonators (SRRs) is placed besides the radiating element to realize the band notch centered at 5.5 GHz. The proposed

Compressive sensing based pilot design for spatial correlated massive antenna arrays
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Abstract:In this paper, we look at the raising spatial antenna correlations in massive antenna arrays and leverage spatial correlation combined with Compressive Sensing (CS) theory in the process of channel estimation. According to CS, the success probability of

Effects of Modified Ground Structure on a CPW-fed Patch Antenna.
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Abstract This paper presents a study of a coplanar waveguide (CPW-fed) antenna using a Modified Ground Structure (MGS). The antennas studied are relatively small in size (17 x 20) mm2 and was designed on a low-cost FR-4 substrate. The presented antenna models

Millimeter wave VAlidation STandard (mm-VAST) antenna.: Executive Summary Report.
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This document summarizes the main results of the project Millimeter wave VAlidation STandard (mm-VAST) antenna completed by the Technical University of Denmark (DTU) in collaboration with Danish company TICRA for the European Space Agency (ESA) under

Sinusoidal Planar Monopole Antenna for WLAN Systems
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Abstract With the increase in the demand of the modern wireless systems such as Bluetooth, tablets, laptops etc., the demand of the antenna which is compact in size, being multiband or broadband characteristics, is increasing. For such wireless systems, printed

SIW slot antenna for E-band communications
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Abstract:The paper proposes novel substrate integrated waveguide (SIW) slot antenna for E-band communications. The antenna is designed at a two-layer low temperature co-fired ceramic (LTCC) substrate in 71-76 GHz frequency band. The proposed antenna

SIMMWIC Integration of Millimeter-Wave Antenna With Two Terminal Devices For Medical Applications
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Abstract:Integration of planar antenna structures with oscillators and rectifiers, respectively, was performed an low loss, high resistivity silicon substrates. IMPATT diodes and special Schottky diodes operated in Mott mode were monolithically integrated in the planar

Shaped Beam Pattern Synthesis of Antenna Arrays Using Composite Differential Evolution with Eigenvector-Based Crossover Operator
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This paper addresses the problem of designing shaped beam patterns with arbitrary arrays subject to constraints. The constraints could include the sidelobe level suppression in specified angular intervals, the mainlobe halfpower beamwidth, and the predefined

Analysis of Plasma Impedance in Helicon Antenna Thrusters
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Abstract: The parametric investigation of plasma-wave interaction in an Helicon Antenna Thruster is carried out. The plasma impedance of two mainly used antenna families are compared to choose the optimum antenna and geometry parameters. And, the

Impact of Antenna model with the variation of speed for Reactive and Hybrid routing protocols in Mobile Ad-Hoc Networks
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Abstract The collection of the many mobile nodes forming a short lived infrastructure with the help of any centralized administration. Since there's a random and dynamic modification in topology due to the quality of host, so the requirement for a study dynamic routing protocol

Design and Analysis of Triangular Microstrip Sensor Patch Antenna Using DGS
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ABSTRACT Nowadays microstrip antenna is an important tool for wireless networks. Frequency sensitive antenna by using DGS at 2.39 GHz and by using non DGS at 1.96 GHz is being proposed. This study represents microstrip sensor by using a triangular patch

High-Directivity Antenna Array Based on Artificial Electromagnetic Metamaterials with Low Refractive Index
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Planar metamaterials (MTMs) with low refractive index are proposed as a cover in a high- gain patch antenna array configuration. This MTMs array antenna has the following features: the number of array elements significantly decreases compared with the conventional

A Polarization Diversity Patch Antenna with a Reconfigurable Feeding Network
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Abstract This paper proposes a reconfigurable square-patch antenna with polarization diversity. The proposed antenna consists of a square radiating patch and a Y-shaped feed structure with two PIN diodes. The shape of the feed structure can be changed by

Octagonal Fractal Antenna Design using Koch Curve
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Abstract:In this paper an octagonal fractal antenna using Koch curve is proposed. Self- similarity and space-filling are the unique properties of fractals. The fractal geometry is used in antenna design for achieving the desired miniaturization and multiband properties. In

Multi-Switch for Antenna Selection in Massive MIMO
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Abstract:Massive MIMO has been shown to greatly improve spectral and transmit-energy efficiency. When implementing a massive MIMO system, one challenge is high hardware complexity. A solution is to reduce the number of radio frequency (RF) transceiver chains

System Level Simulation and Radio Resource Management for Distributed AntennaSystems with Cognitive Radio and Multi-Cell Cooperation
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Abstract The performance of wireless networks will experience a considerable improvement by the use of novel technologies such as distributed antenna systems (DASs), multi-cell cooperation (MCC), and cognitive radio (CR). These solutions have shown considerable

Wideband, Loaded, Low Profile, Small Diameter Monocone Antenna
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Abstract:Compact monocone antennas loaded with helical resonators are presented. The proposed loading introduces an anti-resonance nearby the original resonance of the cone reducing the turn-on frequency by~ 22%. Moreover, the antenna maintains a decade

Performance Evaluation of an Ultra Wideband Slot Antenna
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Abstract:In this paper, a rectangular stepped slot antenna with ultra wideband is evaluated under change in feed position, feed dimension and slot dimensions. Average peak gain of the slot antenna is 4.25 dB and the bandwidth is 12.59 GHz. The antenna is linearly

Power Balance and Control in Optically Controlled Phased Array Antenna, Based on Optical True Time Delay
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Abstract: There is clear difference in each fiber-optic link's power output, in the large scale optically controlled phased array antenna. In order to realize the optical power balance and control between the various channels, the equilibrium or control power of each optical

Design and analysis of microstrip Patch antenna with elliptical slot
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Abstract:We have investigated a unique design of microstrip antenna with four elliptical slots of equal size. The geometry is made such that the outer boundary of each ellipse forms a circle of a diameter of The designed antenna has been simulated using HFSS software.

DESIGN AND ANALYSIS OF CIRCLEHEAD SHAPE MICROSTRIP PATCH ANTENNA
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Abstract-Microstrip patch antennas are increasing in popularity and get more important these days. This is mostly due to their versatility in terms of possible geometries that makes them applicable for many different situations. The light weight construction and the

Rectangular Microstrip Patch Antenna Arrays With Inset for Cellular Phones Application
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ABSTRACT: In this paper, the microstrip line fed rectangular patch antenna with inset has been designed and simulated by using ADS software in order to study the effects of various parameters on the antenna's radiation characteristics. Also, two Sby-two, four-by-four, eight-

DESIGN OF MULTIBAND MICROSTRIP PATCH ANTENNA FOR WIRELESS 1 GHz TO 5 GHz BAND APPLICATIONS WITH MICROSTRIP LINE FEEDING
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ABSTRACT- In recent years many studies are concentrated on multiband micro strip antenna structures for important purposes in wireless communication systems, medical imaging, and radar sensor resolution. In this paper, we printed a square radiator patch on

Design and Optimization of Rectangular Microstrip Antenna for UWB Applications
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Abstract A novel rectangular microstrip antenna for ultrawideband applications is proposed. The ultrawide frequency response is achieved by determining the dimensions of the radiating patch of antenna. The simulated reflection coefficient is smaller than-10 dB for

Asymmetric Coplanar Strip Fed Pattern Reconfigurable Antenna
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ABSTRACT Asymmetric coplanar strip fed pattern reconfigurable antenna is presented. An asymmetric coplanar strip feed line is introduced for the first time to design a simple pattern reconfigurable antenna. The antenna consists of two arms placed orthogonally on an

NLMS Adaptive Beamforming Algorithm for smart antenna
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Abstract The smart antennas are widely used for wireless communication because it has an ability to increase the coverage capacity of a communication system. The main purpose of the smart antenna system is the selection of smart algorithms for adaptive array. By using

Design and Comparison of H-plane SIW Horn Antenna with Different Flare Shapes
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Abstract:An H-plane Substrate Integrated Waveguide (SIW) horn antenna is designed and simulated using the Ansoft HFSS software. The shape of the flare is varied from a simple linear taper to corrugated (square corrugation and triangular corrugation) and stepped

Proximity fed gap-coupled half E-shaped microstrip antenna array
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Abstract. Broadband gap-coupled array configuration of proximity fed rectangular microstrip antenna with half E-shaped microstrip antennas are proposed. The rectangular slot in half E- shaped patch reduces the orthogonal TM01 mode resonance frequency of equivalent

Analysis of T-Slot Loaded Disk Patch Antenna for Dual Band Operation with Small Frequency Ratio
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Abstract In this article, a dual band patch antenna is achieved by introducing T-slot in circular disk with small frequency ratio. It is theoretically investigated using equivalent circuit theory concept. The resonance frequency is found to be 1.84 and 2.02 GHz suitable for

A Multiband Frequency Reconfigurable Rotated-L Slot Antenna
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Abstract A multiband frequency reconfigurable rotated-L slot antenna is presented. The antenna is switchable between 4.61-6.20 GHz at nine different frequencies and capable to operates multi frequency at a time. The proposed antenna has a microstrip patch and two

Design Simulation of TRI Band Microstrip Patch Antenna with Back To Back E Shape Slot
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Abstract A conventional rectangular microstrip patch antenna is considered for this research and further cutting various notches in the conventional structure to make a back to back E- shape microstrip patch antenna structure. The designed antenna structure is further

Millimeter wave VAlidation STandard (mm-VAST) antenna. Abstract.
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This document outlines the background, objectives and the main results of the project Millimeter wave VAlidation STandard (mm-VAST) antenna completed by the Technical University of Denmark (DTU) in collaboration with Danish company TICRA for the

Self-Complementary Two Arm Archimedean Spiral Antenna for Aircraft Applications
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Abstract The wideband antennas play significant role in the communication fields especially in satellite and military applications. Since the satellite or aircraft is in motion, the size of the wideband antenna as well as the polarization is very important. Electro-magnetic band

PARAMETRIC ANALYSIS OF A MINIATURIZED INVERTED SHAPED ANTENNAFOR WIRELESS SENSOR NETWORK APPLICATIONS.
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Abstract A compact and simple design of a CPW-fed planar antenna for wireless sensor network antenna application with a better size reduction is presented. The proposed antenna consists of an inverted p shaped metal patch on a printed circuit board fed by a

Design of a Novel UWB Omnidirectional Antenna Using Particle Swarm Optimization
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A UWB E-plane omnidirectional microwave antenna is designed and fabricated for IEEE 802.11 a communication system and microwave magnetron source system as a radiation monitor. A cooptimization method based on particle swarm optimization (PSO) algorithm

Circularly Truncated Cross Slit Microstrip Patch Antenna for WLAN Application
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Abstract:A novel compact design of a single-feed with cross slot in the patch centre along with a pair of circularly truncated corners is proposed and investigated for parametric evaluation. Prototype of the proposed antenna is simulated and measured for return loss

Design and Analysis of Circular Fractal Array based Micro-strip Patch Antenna for Microwave Applications
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Abstract In this paper, we presented the design and analysis of micro-strip patch antenna with circular fractals that is suitable for different microwave frequency band applications. A reduction in physical size and multi-band capability are thus important design

Design and Analysis of Triangular-Circular Fractal Antenna for UWB Applications
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ABSTRACT-In this paper, microstrip patch antenna is fabricated on a low cost FR-4 epoxy substrate with relative permittivity 4.4 and having dimensions 17.89 x 21.45 x 1.6 mm3. The antenna is a combination of Triangular and Circular shape Microstrip Antenna. For the

CIRCULARLY POLARIZED MICROSTRIP PATCH ANTENNA WITH ARTIFICIAL GROUND STRUCTURE FOR WIDEBAND APPLICATIONS
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Abstract-This paper represents the circularly polarized patch antenna by using an Artificial Ground structure with rectangular cells as a reflector for wideband applications. Designed antenna gives the transmitted wave and the AG structure gives the reflected wave. By

Theory, design, and measurement of novel uniform circular antenna arrays for direction of arrival estimation
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Abstract The theory, design, fabrication, and measurement of new uniform circular arrays (UCAs) for direction of arrival (DOA) estimation is presented in this report. In particular, the effect of directional antenna elements in UCAs for DOA estimation is studied in detail.

Multiband star shape slotted microstrip patch antenna design for wireless application
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Abstract:In this paper a Seljuk star shape slotted microstrip patch antenna is presented on a rectangular shape glass epoxy FR4 substrate having thickness of 1.6 mm. Probe feed technique is used in this slotted antenna for multiband behavior. The multiband behavior

COPLANAR WAVEGUIDE-FED MICROSTRIP ANTENNA WITH HEXAGONAL AND RECTANGULAR SHAPE SLOT FOR WLAN/WIMAX APPLICATIONS
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In this research work, a CPW-fed octagonal shaped patch embedded with various hexagonal and rectangular shaped slots are cut on it which produces dual-band operation which is suitable for WLAN/WiMAX applications. The proposed antenna has a simple

Design of Multiband Antenna on Pentagonal Patch by Using Minkowski Curve
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Abstract:The multiband antenna is proposed on pentagonal patch by using Minkowski curve. The Microstrip patch antennas are widely used in telecommunication system due to its low profile and light weight. Several designs are made for Microstrip patch antenna with

Bandwidth Enhancement Of Dual Band Planar Inverted F Antenna For Mobile Handset Applications
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Abstract The design of a practical mobile phone antenna is complicated and there are carrier requirements and regulatory requirements. Moreover, there are multiple antennas on each mobile phone like primary cellular antenna, diversity cellular antenna, GPS antenna,

Comparative Study of Microstrip Rectangular Patch Antenna on different substrates for Strain Sensing Applications
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Abstract-The feasibility of applying patch antennas for strain sensing is investigated. The resonant frequency of microstrip patch antenna is calculated by the dimensions of its patch. In this work, three types of microstrip patch antennas are developed using three different

Effect of DGS technique in MIMO Antenna
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Abstract The goal of this paper is to use DGS in MIMO antenna to enhance the antenna performance parameter. The concept of DGS with MIMO antenna reduce antenna size and reduce mutual coupling between the antenna elements. It also enhances parameters such

A Simple Planar Heptaband Antenna with a Coupling Feed for 4G Mobile Applications
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Abstract A simple planar heptaband antenna with a coupling feed for 4G mobile applications is proposed. This antenna consists of a folded monopole and a feed strip line on the top plane and an L-shaped line with a coupling plate on the bottom plane. The antenna

A Mode Reconfigurable Nojima Origami Antenna
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Abstract:A 2-mode reconfigurable origami Nojima antenna is explored. When the antenna is folded, it is directional mode and when it is totally unfolded, it is omnidirectional. The operational frequency of this antenna is 1.61 GHz at folded state and 0.66 GHz at

Antenna-Range Consistency in Measurements of Gain and Phase Patterns
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ABSTRACT. Measurements have been conducted at two antenna ranges to assess whether internal range errors allow determination of the electrical location (phase center) of a Global Positioning System receiving antenna with submillimeter accuracy in the 1.1–1.6

A Study on User Selection in Dual-Polarized Antenna Systems
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Abstract. Dual-polarized antenna (DPA) systems can provide two independent data transmissions in line-of-sight wireless channel environments. The capacity of each data stream can be affected by a rotation angle between transmitter and receiver DPAs and

JOURNAL OF ENGINEERING SCIENCES MANAGEMENT REDUCED IN SIDE LOBE LEVEL (SLL) USING GENETIC ALGORITHM OF SMART ANTENNA
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ABSTRACT The demand for wireless communications constantly grows the need arises for better coverage, improved capacity, and higher transmission quality. Thus, a more efficient use of the radio spectrum is required. Smart antenna systems are capable of efficiently

Star Shape Slotted Microstrip Patch Antenna for Wireless Application
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Abstract In this paper three rectangular microstrip patch antennas is designed on the FR4 glass epoxy substrate having the thickness of 1.6 mm. The two antennas contain slots in the form of six corner star. The feeding techniques used in all designs are probe feed. The

MICROSTRIP PATCH ANTENNA PERFORMANCE IMPROVEMENT FOR 2.45 GHz APPLICATIONS
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Abstract Microstrip patch antenna is designed to cover ISM band applications (2.36-2.52) GHz. The operating frequency is chosen at 2.45 GHz for the required operation and entire simulation is carried out by FEKO software version 5.5. The return loss, bandwidth, current

Design of Patch Antenna Using Optimization
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Abstract:Particle swarm optimization is a popular optimization algorithm used for design of microstrip patch antenna. This paper presents design of probe fed rectangular microstrip patch antenna for frequency ranges from 3-8GHz using particle swarm optimization. A

Cochannel Interference Suppression in the Single Antenna Amplify-and-Forward Relay Networks
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Abstract We consider an amplify-and-forward relay system with a source node (S), a relay node (R), and a destination node (D) with an arbitrary number of cochannel interferers at the relay. Each node is equipped with a single antenna and operates under the frequency

Design of microstrip patch antenna based on Pascal's triangle
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Abstract:We have designed a microstrip patch antenna based on Pascal's triangle. The geometry is considered such that the three rows above the central row forms its mirror image below the central line. The investigated design has shown a good characteristics and was

Metamaterials and Their Applications in Patch Antenna: A
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Abstract Metamaterial is the arrangement of" artificial" elements in a periodic manner providing unusual electromagnetic properties. This unusual property has made it an area of interest for last few decades. It has wide applications in antennas. Gain, directivity,

Ultra Wide Band RSMA Patch Antenna
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Abstract:his thesis involves in the creation of a RSMA Patch antenna which is capable of using in the WLAN Application. In this thesis we have adopted the RSMA patch antenna model that is capable of producing Ultra wide band. It can widely use in Access points

Reduction of Side Lobe Level of Thinned Phased Array Antenna using Genetic Algorithm
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ABSTRACT Thinned phased array antenna is useful for Radar and satellite communications. Main drawback of phased array antenna is generation of side lobes and grating lobes when the beam is titled from broadside direction toward the end-fire

Power pattern synthesis of smart antenna array using different adaptive algorithms
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Smart antennas have numerous benefits in wireless applications as well as sensors such as radar. In mobile wireless applications, smart antennas can provide a higher system capacity with a narrow beam towards the users of interest, while nulling other not interested users.

Performance of Overall Gain in the Network by Varying Antenna Transmission Power with the Different Pause Time
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Abstract The characteristic of changing topology without a fixed infrastructure and lacking of any centralization is mobile adhoc networking (MANET). The communication between mobile nodes uses multihop wireless links. In the network; nodes act as router and

Gain Enhancement of a Wide Slot Antenna Using a Second-Order Bandpass Frequency Selective Surface
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Abstract. Gain enhancement of a wide slot antenna over a wide frequency band using a low profile, second order bandpass frequency selective surface (FSS) as a superstrate is presented in this paper. The proposed multilayered FSS with non-resonant unit cells in

Advances in Antenna Array Processing for Radar 2014
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Arrays today are the configuration for nearly all kinds of sensors (electromagnetic, acoustic, optical, etc.). Consequently, array processing is today one of the most important and dynamic fields of research. For radar, RAP (radar array processing) has received attention

Reconfigurable Origami Equiangular Conical Spiral Antenna
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Abstract:This paper presents a balanced reconfigurable origami conical spiral antenna that can axially radiate at two states:(a) circularly polarized (AR 3 dB) from 1.85 GHz to 2.75 GHz, and (b) linearly polarized at 1.4 GHz and 3.7 GHz. This antenna can be applied to

An Improved Slotted Patch Antenna for RFID Application
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Abstract:This paper proposed a radio frequency identification (RFID) Reader Antenna which operates on ISM band with frequency range from 902 to 928 MHz and bandwidth of the antenna is 58MHz. Antenna consist of rectangular patches on Rogers RO4360

Comparative Analysis of Linear Antenna Arrays
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Abstract: The gain or directivity of single antenna is less. To increase the gain and directivity the solution is antenna array. It is one of the common methods for combining the radiation from a group of similar antennas in which the phenomenon of wave interference is

Coplanar Waveguide Fed Wideband Minoan Double Axe Antenna for Wireless Applications
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ABSTRACT A wide band Minoan double axe antenna fed by a Co-Planar Waveguide for achieving omni-directional radiation pattern is presented. The proposed antenna is suitable for WLAN 5.2 (5.15-5.35 GHz) band, WiMAX 2.5/3.5 (2.5-2.69 GHz, 3.4-3.69 GHz) bands,

Passive Reception of Digital TV Signals with an Antenna
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Abstract:This article aims to present a passive repeater for transmitting digital TV signals. In this article, some projects that indicate the limitations in this type of repeater are presented and in what situations it becomes suitable for use. Index Terms Band Segmented

Compact Chip Inductor Loaded multiband Antenna
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ABSTRACT A compact chip inductor loaded microstrip patch antenna for multiband application is proposed. The antenna is fabricated on a substrate of dielectric constant 4.4 and thickness 1.6 mm. The proposed antenna is of circular geometry with a circular patch

STUDY OF MICROSTRIP PATCH ANTENNA WITH BANDWIDTH INCREAMENT TECHNIQUE
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Microstrip Patch Antenna is generally used in modern communication devices. Study of past few year shows that, most of work on MPA is focused on designing compact sized Microstrip Antenna. As per Microstrip Patch Antenna offer low profile, low cost and low volume. But

Design of a Compact Planar Antenna for Ultra-wideband Operation
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Abstract- In this paper, a new compact planar antenna is proposed for UWB (Ultra- wideband) operations. The proposed antenna has a low profile structure, consisting of a radiating patch, notched ground plane, and a novel arc-shaped strip connected between

Theoretical analysis and optimization of circular patch microstrip antenna
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Abstract-A study of the radiated field, the resonant frequency, polarization and the different components of a circular sector microstrip antenna (CSMA) are presented in this paper. The proposed antenna is simulated using HFSS and the results were compared with those in

Wideband Dual-Element Antenna Array for MIMO Mobile Phone Applications
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A printed dual-element antenna array for LTE MIMO mobile phone applications is presented in this paper. The two array elements are symmetrically placed with the same dimensions, and each of the them consists of a novel driven strip and a wandering shorting strip. The

The Application of the FDTD Method to Aperture-Coupled Microstrip Antenna Array on LTCC at Millimeter-Wave
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Abstract. In this paper, The microstrip array antenna can be designed with a transmission line and matching circuit in the same substrate LTCC at 24 GHz for the SRR system. We achieved the proper impedance matching throughout the corporate feeding array

Reduced-Size Microstrip Antenna for Wi-MAX and WLAN.
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Abstract A dual frequency, compact single probe-feed rectangular microstrip patch antenna with reduced size has been proposed in this paper. The single layered antenna has been designed to resonate in dual frequency mode. The novel design is achieved by cutting

A Miniaturized Triple Band Monopole Antenna for WLAN and WiMAX Applications
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A miniaturized triple band monopole antenna with a small size is proposed and its performance is investigated both numerically and experimentally for worldwide interoperability for microwave access (WiMAX) and wireless local area network (WLAN)

GPS MICRO STRIP RECTANGULAR PATCH ANTENNA AT 2.45 GHz MOUNTED OVER ANGULAR TOWERS
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Abstract:Antennas are mounted over Telecommunication Towers where Signaling is done at the cell site. Thus designing of such an antenna used in telecom unit is of great interest. A GPS Receiver Micro-Strip Patch antenna over CST Microwave Studio is designed. All

A Comparative Analysis of a Circularly Polarized Microstrip Patch Antenna with Without U-Slot
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Abstract-In this paper Circularly Polarized (CP) patch antenna at L-band is designed. The antenna contains a U-Slot and designed with DGS technique to reduce the size of antenna. U-slot etched in the antenna allowed the fabrication on a high-dielectric-constant (10.2)

Patch Antenna for 2.7 GHz 5.6 GHz for CMMB
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Abstract The advantages of micro strip patch antennas have made them a perfect candidate for use in the local area network (WLAN) applications. This paper represents the new design of micro strip patch antenna for China Multimedia Mobile Broadcast (CMMB). In the

Four Ports Wideband Pattern Diversity MIMO Antenna
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Abstract-In this paper a broadband four ports MIMO antenna with pattern diversity is presented. To obtain pattern diversity, four microstrip feeding lines are printed on one side of the substrate where as the modified ground plane is printed on the other side. These

Design and optimization of a CPW-fed tri-band patch antenna using genetic algorithms
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Abstract- This paper investigates a compact triband patch antenna fed by a coplanar waveguide (CPW) line for the applications of WiFi, WiMAX and HiperLAN. The dimensions of the proposed antenna are optimized using genetic algorithms (GAs). The antenna is

DESIGN OF RECTANGULAR PATCH ANTENNA ARRAY FOR WIRELESS COMMUNICATIONS
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ABSTRACT In this paper, design of rectangular patch antenna arrays, suitable for wireless communication applications, are presented. This paper demonstrates rectangular micro strip patch antenna array, such as single element and four element rectangular patch antenna

Improving Signal Reception in Cdma20001x Network Using Antenna Diversity Technique
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ABSTRACT:-This paper focuses on improving signal reception in CDMA20001x network using antenna diversity technique. Field data were collected from a CDMA20001X network located in Enugu, the capital of Enugu State of Nigeria. The field data collected include

Frequency Agile 2× 2 Micromachined Antenna Array.
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Abstract The present work summarizes the design and development of 2× 2 micromachined patch antenna array. Wafer thinning is carried out to cater for high frequency operations. Detailed design methodology with fabrication process steps is outlined in this article. A

Modified nonlinear force density method for form-finding of membrane SAR antenna
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Abstract. Form-finding for cable-membrane structures is a delicate operation. During the last decades, the force density method (FDM) was considered to be an efficient method to address the problem. Many researchers were devoted to improving this method and

PERFORMANCE ANALYSIS OF 3* 4 ORTHOGONAL SPACE TIME BLOCK CODE AND TRANSMISSION ANTENNA SELECTION WITH MULTI USER
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Abstract: This paper presents the average capacity and error performance of 3× 4 orthogonal space time block code (OSTBC) and transmits antenna selection (TAS) with multiple antennas. In TAS scheme, we consider one transmit antenna is selected for

Attitude Estimation for In-Service Base Station Antenna Using Downlink Channel Fading Statistics
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A maximum-likelihood-estimation method is proposed for extracting the attitude of a sectoring base station (BS) antenna by using the received signal strengths observed by multiple user equipments (UEs) in this contribution. This method calculates the likelihood

DESIGN OF WIDEBAND MICROSTRIP ANTENNA FOR UWB APPLICATIONS
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Abstract-in this paper, a rectangular slot in patch scheme is described to enhance the operation bandwidth of microstrip patch antenna for wideband applications. By cutting rectangular slot from the rectangular patch, the bandwidth enhancement of the proposed

An Improved Algorithm of Spatial Difference MUSIC for Direction of Arrival Estimation in a Smart Antenna
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Abstract: The estimation of direction of arrival (DOA) of a smart antenna is not able to perform high resolution in a mixed noise field with high correlation. In this paper, a modified multiple signal classification (MUSIC) algorithm based on spatial difference is proposed

A Dual-Band Gap-Filler Antenna Design with a Phi-Shaped Slot
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Abstract In this paper, we have proposed dual-band Phi-shaped slot gap filler antenna for satellite internet service applications. Some properties of the antenna such as return loss, radiation pattern, and gain have been simulated and measured. The proposed antenna

A Comprehensive Simulation Study of Dual band Planar Inverted-F Antenna
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Abstract This paper presents a comprehensive theoretical and simulation study of dual band Planar Inverted-F Antenna (PIFA) involving major parameters which may affect the PIFA characteristics. It is found that characteristics of PIFA are affected by a various

Antenna selection in a SIMO architecture for HF radio links
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ABSTRACT This work takes place in the global design of a SIMO architecture (single input multiple output) for trans horizon radio links, aiming at a significant increase in the data rate if compared with standard modems based in general on a SISO scheme (single input

Energy Efficiency of Very Large Multiuser MIMO Systems with Transmit AntennaSelection
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Abstract In this paper, transmit antenna selection is performed to improve the energy efficiency of multiuser large scale MIMO systems, which is necessary for the energy efficiency maximization of large scale MIMO, because the RF chains which are connected

Parametric Performances of a Petahertz Band Nano-Patch Dipole Antenna on Electrical Field Distribution for Energy Harvesting.
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It is recently shown that radio frequency, RF, and microwave design analogies provide good references for designing nano-antennas at higher frequency bands such as petahertz (1015) [1]-[3]. High speed data communication in future applications need to employ nano-

DESIGN, ANALYSIS AND TESTING OF A COMPOSITE INTEGRAL SANDWICH STRUCTURE OF THE OFFSET MIRROR SPACE ANTENNA
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Summary: Novel design of the space offset antenna is presented in the paper. The antenna body is designed as a composite sandwich conical shell with a cutout on the side surface. The reflector is located at the bottom part of the cone and the antenna feed is placed

Design and Analysis of Inset Feed Rectangular Microstrip Patch Antenna with and Without Fractal Geometry for Wideband Applications
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ABSTRACT:-In recent years, the demand for compact handheld communication devices has grown significantly. Devices having internal antennas have appeared to fill this need. In this paper we have implemented the Design and Comparative analysis on the performance

Beamforming Showing Effect on BER with Change in Antenna Configuration
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ABSTRACT This work investigates the improvement in Bit Error Rate (BER) with different antenna configuration using beamforming technique. In this paper Linearly Constrained Minimum Variance (LCMV) beamforming is used and based on this BER graph is plotted. Abstract Antenna sensors have received considerable interests in recent years due to their passive wireless operation, simple configuration, compact size, multiplexing capability, and multimodality sensitivity. Based on the principle of antenna backscattering, an antenna

Multistatic Nearfield Imaging Radar for Portal Security Systems Using a High Gain Toroidal Reflector Antenna
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Abstract:A Toroidal reflector, consisting of a tilted ellipse rotated about the vertical axis, provides for multiple, overlapping high-resolution nearfield beams that form multi-view, true multistatic mm-wave imaging for security applications. Modeled results indicate the PSF

Review Paper on Comparative Study of Dual Band Microstrip Patch Antenna
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ABSTRACT In this paper we survey a dual band microstrip patch antenna for improvement of bandwidth, gain and directivity. The comparisons of different paper with simulated and validated result are presented. We discussed the different technique used by the author to

Application of Ant Colony Optimization Algorithm to Pattern Synthesis of Uniform CircularAntenna Array
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Abstract- The radiation pattern of the antenna arrays is most important problem in communications technology. In this paper, the optimization of uniform circular antenna array is efficiently solved by ant colony optimization (ACO) Method. The proposed method of

A High Gain Ultra Wideband Microstrip Antenna for EHF Medical Applications
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Abstract: A simple high gain ultra-wideband Microstrip patch antenna for extremely high frequency applications (EHF) is proposed in this paper. The antenna has simple shape and small size enable it to be inserted inside any medical gadget operating in EHF frequency

A SURVEY ON HIGH SLEEVE ANTENNA GAIN
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Abstract In this paper a survey on sleeve antenna is done to enhance the gain. The sleeve antenna is specially design dipole antenna which is polarised perpendicularly. The sleeve antenna is used in different field of application such as for indoor communication, outdoor

Analysis of a Microstrip Rectangular Patch Antenna as a Strain Sensor
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Abstract Microstrip patch antenna is a flat shape, light weight and low cost antenna that used to receive and transmit electromagnetic wave. This paper describes the simulation of a rectangular microstrip patch antenna for strain measurement. The microstrip antenna

Numerical Analysis of Reconfigurable Plasma Antenna Arrays
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Page 1. Numerical Analysis of Reconfigurable Plasma Antenna Arrays A. Fernandez-Olvera( 1), D. Melazzi(2), V. Lancellotti(1) Lisbon, April 14, 2015 PAGE 1 Outline 1. Introduction: plasma antenna arrays 2. The electromagnetic problem 3. The LEGO modular approach

Compact and Planar Monopole Antenna for WLAN and WiMAX Applications.
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Abstract- A novel compact dual-band monopole antenna for WLAN and WiMAX applications is presented. The antenna is fed by a microstrip feed line and consists of two side-by-side split-ring structure as the radiating element. The proposed antenna is

A NOVEL DUAL BAND PATCH ANTENNA FOR WLAN COMMUNICATIONS
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Abstract-A dual-band patch antenna for Wi-Fi network and (WLAN) wireless communications, operating at 2.45 and 5 GHz has been designed and simulated results have been presented in this paper. The designed antenna has a rectangular patch of

ANovel FREQUENCY RECONFIGURABLE SLOT ANTENNA
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ABSTRACT A novel frequency reconfigurable slot antenna is designed for cognitive radio system. In cognitive radio system the two antennas are required one is a wideband antenna and another is frequency reconfigurable antenna. In this work a frequency reconfigurable

Fractal T-Shaped Antenna for WiMAX Applications
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Abstract:Fractal antenna, as name concerns, uses fractal ie structure does not change and repeat it when large focus has created upon it. This repetition feature of this antenna provides a great flexibility that it can be designed and can used in different frequencies.

Novel Miniaturized Octaband Antenna for LTE Smart Handset Applications
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A novel octaband LTE mobile phone antenna is presented, which has a compact size with the overall dimension of 35 mm× 9 mm× 3 mm. The miniaturized octaband antenna is implemented by a simple prototype of three parts which include a folded monopole as

Transceiver Design for SU-MIMO System with Improper Modulations Using per AntennaPower Constraint and Perfect CSI
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Abstract This paper addresses the problem of joint transceiver designs for single user- Multiple-input and Multiple-output system (SU-MIMO) employing one dimensional improper modulations such as binary phase shift-keying and M-ary amplitude shift-keying (M-ASK)

Hybrid MIMO Antenna Using Interconnection Tie for Eight-Band Mobile Handsets
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Abstract In this paper, a hybrid multiple input multiple output (MIMO) antenna for eight-band mobile handsets is designed and implemented. For the MIMO antenna, two hybrid antennas are laid symmetrically and connected by an interconnection tie, thereby enabling

Gain Enhancement of a Microstrip Patch Antenna Using a Reflecting Layer
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A low profile, unidirectional, dual layer, and narrow bandwidth microstrip patch antenna is designed to resonate at 2.45 GHz. The proposed antenna is suitable for specific applications, such as security and military systems, which require a narrow bandwidth and

Software Development and Construction of Log Periodic Dipole Antenna Using MATLAB
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Abstract: Technological advantages in solar activities particularly in solar radio burst (type I, II, III, IV, V) in radio region have created a demand of designing and constructing of Log Periodic Dipole Antenna (LPDA) to monitor. LPDA also plays an important role in modern

Pulsed and narrowband mixed interference mitigation technique for single antenna GNSS receivers
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Abstract: Most previous works focus on single type of interference mitigation and simplified combination of these existed methods leads to high disabled probabilities of single antenna Global Navigation Satellite System (GNSS) receivers under mixed interference scenarios

A Double U-Slots Microstrip Antenna for Triple-bands Operation
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ABSTRACT In this paper, a design of double U-slots microstrip antenna with triple bands operation is presented. The antenna geometry is fed with a coaxial line feed technique. The feed is connected between the two arms of U-slots. The two slots are created on patch In the pursuit of extracting more information about our universe, terahertz technology is taking center stage in achieving high data rate communications. This technology uses the spectrum that lies in between the microwave and the infrared region with frequencies

Adaptive network-based inference system models on multiband patch antenna design
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Abstract: In this study, an adaptive network-based fuzzy inference system (ANFIS) for multiband microstrip patch antenna (MMPA) modeling is proposed. The MMPA includes a single patch with inverted L-shaped stubs on the edges. The antenna production process



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