antenna research papers 2014


A Comparison of Antenna Placement Algorithms
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Abstract Co-location of multiple antenna systems on a single fixed or mobile platform can be challenging due to a variety of factors, such as mutual coupling, individual antenna constraints, multipath, obstructions, and parasitic effects due to the platform. The situation

On the Capacity of Distributed Antenna Systems
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Simulation Analysis of Different Routing Protocols Using Directional Antenna in Qualnet 6.1
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ABSTRACT MANET is a mobile ad hoc network in which nodes are move freely and perform the communication. In mobile ad hoc network, directional antenna plays a vital role. Directional antenna has many advantages such as increased transmission range, higher

Analysis and Measurement of Multiple Antenna Systems for Fading Channel Prediction in Moving Relays
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ABSTRACT The performance of wireless data transmission to mobile vehicles is improved if channel state information is available at the transmitter but movement of vehicles causes outdating of channel estimates. The concept of a predictor antenna has recently been

Design Characterization of Rectangular Microstrip Patch Antenna for Wi-Fi Application
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Abstract The main aim of the paper is to design and simulate an inset fed rectangular microstrip patch antenna and study the effect of antenna dimension Length (L), Width (W), substrate parameter relative dielectric constant () substrate thickness (h) and radiation

An Improved Compact Multiband Fractal Antenna Using the Koch Curve Geometry
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Abstract In this paper, we have achieved an compact multiband fractal antenna using a Koch curve geometry. The simulation of the proposed antenna is done by CST Microwave Studio EM simulation software. The proposed Koch curve fractal antenna proves that it is

Parametric channel prediction for narrowband mimo systems using polarized antenna arrays
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MIMO channels is proposed in this paper. The prediction scheme is based on estimation of the parameters of a double directional polarized propagation model. The proposed algorithm transforms the channel impulse response matrix in such a manner that a

THE DEVELOPMENT OF A NOVEL ANTENNA ARRAY SYNTHESIS TECHNIQUE
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ABSTRACT An antenna is the back bone of the wireless communication. It is mainly used to transmit and receive signal. An antenna array is a group of radiators whose currents are of either same or different amplitudes and phases. The presence of large side lobe radiation

Design of a Novel Sierpinski Fractal Antenna Arrays Based on Circular Shapes with Low Side Lobes for 3G Applications
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Abstract A fractal is a recursively generated object having a fractional dimension. So many objects, including antennas, can be designed using this recursive nature of a fractal. In this paper we have used the fractal geometry arrangements for the design of planar antenna

Design and Simulation Based Study of Microstrip E Shaped Patch Antenna Using Different Substrate Materials
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Abstract In this paper, E shaped microstrip patch antenna is being proposed. Here E shaped microstrip patch antenna is being designed using FR4-epoxy and epoxy-kevlar material. The permittivity of FR4-epoxy and epoxy-kevlar is 4.4 and 3.6 respectively. The return loss

FUNNEL SHAPE CUTTING SLOT RECTANGULAR PATCH ANTENNA FOR ENHANCEMENT BANDWIDTH AT 2.5 GHz
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ABSTRACT In this paper, we discussed Funnel patch antennas for WLAN applications. After designing the antennas on 2.5 GHz (WLAN) frequency, we study and analyzed the results of antenna using ie3d software. We uses the dielectric substrate 4.4, loss tangent 0. 002 and

The Control Method of Directional Antenna Beams using Genetic Algorithm and Fuzzy Logic System
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Abstract. This paper presents a novel control method that quickly search for the sweet spot of directional antenna beams, and save they for fast speed transmissions in millimeter wave. The proposed method is the Genetic Algorithm and Fuzzy Logic system. Transfer method

Analysis of Wireless Sensor Networks with Energy Harvesting Capabilities of Transmitter and Receiver Antenna
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ABSTRACT In this paper, we analyse the energy harvesting capabilities of wireless sensor nodes with the transmitter and receiver antenna power. Simulations shows that received power and Vrms (induced voltage) are inversely proportional to the distance. Finally some

Sommerfeld’s Integrals and Hall n’s Integral Equation in Data Analysis for Horizontal DipoleAntenna above Real Ground
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Abstract. High frequency (HF) analysis of the horizontal dipole antenna above real ground, which is employed in this paper, is based on the electric-field integral equation method and formulation of the Hall n’s integral equation solved for the current using the point-

Performance of a Smart Antenna Equipped Cognitive Radio System in Rayleigh-Fading Channel
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Abstract Conventional cognitive radios exploit the licensed spectrum by opportunistically seeking the underutilized radio resource in time, frequency and geographic domains. But using smart antennas, the angle (space) spectrum can be utilized and thus leading to

Theoretical Study of Radiation Characteristics of Short Dipole Antenna
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Abstract This paper theoretically examines the key dipole antenna parameters that define their performances in terms of current distribution, radiation resistance, input impedance, radiation efficiency, size, bandwidth, quality factor and directivity. We have

Design and Fabrication of Circularly Polarized Microstrip Patch Antenna using Symmetric Slit
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ABSTRACT Polarization is important factor for antenna in wireless communication. Polarization between transmitting and receiving antennas needs to be same for better reception of signal. Matching the polarization is important in terms of decreasing transmission losses.

Design Simulation of dual band rectangular patch antenna for various applications at 3.2 GHz 4.0 GHz
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Abstract In the communication world microstrip patch antennas plays a great role due to its various advantages. Today we require many applications on a single device. The multiband antenna can be easily fitted in the electronic device, which can be used for various

On the Capacity of the AWGN MIMO Channel Under Per-Antenna Power Constraints
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ABSTRACT This paper derives a closed-form expression for the capacity of the point-to-point static Gaussian MIMO channel under per-antenna power constraints when the channel matrix is full column rank and the optimal input covariance matrix is full rank. Analytical

Theoretical and numerical study of a plasma-based frequency tunable microstrip antenna
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OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible. This is an author-deposited version published

A slotted circular monopole antenna for wireless applications
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ABSTRACT In this paper, a compact slotted circular monopole antenna with spike shaped slots embedded in it is presented. Also, the proposed antenna has ground length limited to 33% of substrate length. This ground is provided on the back side of the antenna geometry to

A Q-band Fabry-Perot antenna for access and backhaul communication networks
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ABSTRACT A Fabry-Perot antenna operating at Q-band is proposed for access and backhaul communication networks. The antenna consists of an air-filled cavity fed by a patch and delimited by a PRS made of a dielectric layer with small periodic patches. The FP antenna

REDUCTION IN SIZE OF THE MICROSTRIP PATCH ANTENNA FOR RFID FREQUENCIES USING FRACTALS
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ABSTRACT The design and development of a compact planar Minkowski fractal microstrip antenna operating at multiple RFID bands 868 MHz (UHF Band) and 2.45 GHz (Microwave Band) are presented. The radiation characteristics were studied experimentally and

Finding Defective Elements in Antenna Array Using Fast Fourier Transform
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ABSTRACT A method based on Fast Fourier Transform for detecting the position and the level of fault in antenna arrays, from the degraded far field pattern samples is proposed. The paper considers Chebyshev array of specified side lobe level as a desired antenna

Adaptive Inter-Cell Coordination for the Distributed Antenna System with Correlated Antenna-Clusters
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ABSTRACT In the implementation of distributed antenna systems (DASs), the antenna elements in some cases may only be deployed in the form of distributed antenna-clusters (ACs), due to various practical limitations. Consequently, correlation usually exists among

Design of Multilayered Stack Antenna for Wireless Communication
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Abstract In Today’s technology of wireless communication requires small, portable and low cost reconfigurable antenna which can be reconfigured through switching of different frequencies for different applications. This paper contains a multilayered reconfigurable

Plasmonic Bar-Coupled Dots-on-Pillar Cavity Antenna with Dual Resonances for Infrared Absorption and Sensing: PerformanceandNanoimprintFabrication
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Abstract We report the structure, performance and large-area fabrication of a thin plasmonic infrared absorber, termed barshaped disk-coupled dots-on-pillar antenna- array (bar-D2PA). The bar-D2PAs, which are simple to fabricate, demonstrate the

Design of Triangular Microstrip Patch Antenna Array for 4G (LTE) Applications
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Abstract Various shapes of microstrip patch antenna had been designed in antenna field. This paper represents two patch element combined together and formed antenna array. The simulated results of this design using IE3D such as return loss of the antenna

DESIGN OF BROADBAND S SHAPE MICROSTRIP ANTENNA USING SLOTTING TECHNIQUE
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ABSTRACT Microstrip patch antennas get more and more important in 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 suitability for integration

A Novel Mathematical Computing Simulation Methodology for Acoustic Phased Array Antennaof SODAR System
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Abstract Wind profile measurement in the earth’s lower atmosphere using remote sensing technology has play most important role in emerging trends. SODAR, a remote sensing system which is using to measure the turbulence in the wind, through transmitting an

Design and Analysis of E-Patch Microstrip Antenna for S Band
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Abstract E-Patch Microstrip antenna with slot is propose for S Band on wireless application like radar, satellite communication. The propose patch is design to operate at S Band frequency range 2-4 Ghz with HFSS simulation software. The structure is fed by 50 ohm

RF contact development for the ITER ICRH antenna
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Abstract. In the framework of the Ion Cyclotron (IC) antenna design, ITER Organization requested qualification tests on sliding Radio-Frequency (RF) contacts, to verify that these contacts (quality class 1) are designed appropriately to guarantee a sufficient operational

Antenna Pattern Verification System Based on a Micro Unmanned Aerial Vehicle (UAV)
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ABSTRACT This letter presents a radiation pattern verification system for low-frequency antennas in their operative conditions, eg, on the ground, next to other elements, etc. It is a far-field setup using a properly equipped micro unmanned aerial vehicle (UAV) as a test

Experimental Comparison of Antenna Clustering Strategies in MIMO Distributed AntennaSystems
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ABSTRACT In this paper the effect of partitioning arrays of transmitting antennas into spatially separated clusters on the condition number and capacity of MIMO wireless systems is examined using experimental channel measurements of an indoor MIMO-enabled

Performance Analysis of Differential Evolution Algorithm based Beamforming for SmartAntenna Systems
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Abstract This paper presents smart antenna array beamforming using differential evolution algorithm. The excitation values of the elements in the array are smartly adjusted to control side lobe levels and placing nulls in the interference signal direction while maintaining the

Enhancement of Bandwidth of Rectangular Patch Antenna Using Multiple Slots in The Ground Plane
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Abstract Microstrip patch antenna are widely used in various types of application in communication systems. This paper presents the enhancement of bandwidth of microstrip patch antenna with multiple number of slots in ground plane ie we used defected ground.

Design and Analysis of Stacked Microstrip Patch Antenna (MSAs) for Wideband Wireless Applications
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ABSTRACT Bandwidth enhancement method for low profile Stack Microstrip Patch Antenna is presented. The main intention of this paper is to present detailed analysis for bandwidth enhancement with accent return loss using stack method with promising VSWR. This

IMPROVISATION OF THE MICROSTRIP SINGLE ELEMENT STEPPED FEED ANTENNAUSING HALF AND FULL BOW-TIE SLOTTING/MEANDERING
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In this paper a single element antenna with stepped feed rectangular patch for Wireless LAN has been shown and relatively analyzed to be improved with new technologies of miniaturization. This microstrip antenna consists of single square patch element fabricated

Bi-Directional Hybrid Coupled Microstrip Antenna for WLAN Application
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ABSTRACT This paper presents a compact size, single feed, back to back combined Proximity and Aperture coupled microstrip antenna (MSA) in order to get a dipole like radiation pattern with improved bandwidth. The proposed antenna is working at the resonant frequency of

Some Aspects of Finite Length Dipole Antenna Design
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ABSTRACT This paper theoretically investigates current distribution, radiation patterns, directivity, radiation resistance, input impedance, of finite-length dipole antenna using simulation software Matlab-7. Matlab codes are developed for comparison of input

Low Cost E-Shaped Microstrip Patch Antenna Array for WLAN
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ABSTRACT In this paper design of Microstrip patch array antenna for WLAN application is proposed. A new 2 element antenna array topology of Microstrip E shaped patches for use in Wireless applications is introduced in this paper. The Active element pattern technique

Parasitic Antenna Arrays for Wireless MIMO Systems
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Multiple Input/Multiple Output (MIMO) systems, which rely on the availability of multiple antenna elements on the side of wireless transmitters and receivers, have been a topic of significant research activity over the last 15 years. Despite the great progress that has

Synthesis of Linear Antenna Array Using Chaotic Optimization to Reduce the Side Lobe Levels
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ABSTRACT A novel approach symbolizing the principles of chaos [12] and its different application for optimization is new area to probe for research. The concept of local convergence and its symbolism to chaotic attractors is important to understand. A novel

Multi-band Planar Inverted-F Antenna for Mobile Communication Applications
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Abstract. This paper is proposed to design mobile handset antenna for make mobile handset more compact and thin. This antenna has an advantage of performing different frequency bands by one antenna design. Design and simulations are done using CST Microwave

Metal Side Antenna for Mobile Communication
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Abstract. This paper suggests a new loop antenna for the long term evolution mobile communication service. As the existing slot antenna has a sensitivity problem from user’s hand, this paper adopted a newly designed loop antenna form. This loop antenna

Metallic short backfire antenna with halved size and wideband characteristics
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A short backfire antenna is proposed for 5.2/5.8 GHz wireless local area network (WLAN) applications. Wideband impedance matching is achieved by employing a truncated monopole as the exciter. Moreover, power-handling capability could be enhanced by the

Microwave MEMS Antenna Sensor Characterization and Target Detection Using Artificial Neural Networks
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ABSTRACT This paper demonstrates microwave antenna sen-sors fabricated on a silicon micro electro-mechanical-system (MEMS) platform. The antennas are designed to operate between 10 16 GHz with 41% bandwidth and 50 input impedance. Each antenna sensor