antenna research papers 2012 section 7

antenna research papers 2012 section 7







COOPERATIVE SCHEDULING FOR DISTRIBUTED ANTENNA SYSTEMS
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ABSTRACT This paper presents a scheduling and link adaptation algorithm for Distributed Antenna Systems (DAS) with Cooperative downlink transmission. The proposed opportunistic scheduler is interference-aware and maximizes the system throughput by

Preliminary experiment of discharge phenomena on antenna surface radiating high power microwave in Plasma environment
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Page 1. Preliminary experiment of discharge phenomena on antenna surface radiating high power microwave in Plasma environment  When a high power microwave is irradiated from antenna in LEO plasma environment, there is a concern

A Compact Wideband Microstrip Antenna Intergrated with Band-Notched Design
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ABSTRACT This article describes a compact ultra-wideband (UWB) antenna that shows desirable band-notch and gain characteristics. The proposed antenna consists of a rectangular patch with a truncated ground plane that is fed by a 50 ? microstrip line. A

PRINTED TAPERED COMPACT UWB ANTENNA WITH SINGLE BAND NOTCH CHARACTERISTICS
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ABSTRACT A simple and compact microstrip line-fed ultrawideband planar monopole antenna with single band-notch characteristics is presented. Wide impedance bandwidth is achieved by inserting two rectangular slots on both sides of the microstrip feed line on the

A New Compact Wideband MIMO Antenna for Reverberation Chambers
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This is the technical report of the master degree project corresponding to the partial fulfillment of the master of science degree at Chalmers university of Technology. This project is the result of a one year research conducted at the department of Signals and Systems,

Sierpinski Carpet Fractal Antenna for Multiband Applications
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ABSTRACT A Planar antenna with Microstrip feed Sierpinski carpet fractal geometry for multiband applications is presented. The multiband behavior is analyzed through two fractal iterations. Self similarity property of fractal technology is applied in the antenna design to

Implementation of Spiraled Planar Inverted–F Antenna for Multiband Applications
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ABSTRACT A spiraled planar inverted-F Antenna (PIFA) for Multiband frequencies of 2.65 GHz, 4.10 GHz and 5.85 GHz for wireless local area network (WLAN) applications proposed in this paper. Simulation tool based on the method of moments (IE3D) has been used to

Development and analysis of coaxial slot antenna in comparision with coaxial dipole antennafor interstitial microwave ablation
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ABSTRACT Hepatocellular carcinoma (HCC) is the most common malignant tumors to affect the liver. Microwave ablation is efficiently used for treatment of liver cancer. Although surgical resection remains the gold standard for treatment of liver cancer, but only 5-10%

INTERNATIONAL JOURNAL OF ENGINEERING SCIENCESMANAGEMENT INVESTIGATIONS OF A BOW TIE MICROSTRIP ANTENNA IN WIRE LESS
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ABSTRACT This paper presents a study on use of micro strip antenna and Planar Inverted-F Antenna in wireless communication. A triangular shaped micro strip antenna and Planar Inverted-F Antenna design is presented in this paper which can be use for wireless

Multiple Antenna Terminals in Realistic Environments
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ABSTRACT For evaluation of specific antenna arrangements in wireless communication systems we need physical channel models that take into account also the directional domain of the propagation channel. In this thesis we investigate, validate and propose a practical

Indirect Coupling Method of Chip Impedance Matched Dipole Antenna for UHF RFID Tag
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ABSTRACT Radio Frequency Identification is the wireless technology that uses radio waves to automatically identify items within certain proximity. This process involves tagging items with a transmitter which will send bursts of information. Passive RFID tag consists of a

CDMA with Transmit Antenna Diversity Technique for Broadband Propagation Systems
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ABSTRACT The combination of CDMA and space time block coding (STBC) has been proposed for indoor environment where the delay spreads are very small and the channel is flat fading. However, these schemes are not valid for the outdoor situation where the delay

Adaptive Antenna Array Approach in the Processing Of Weakest GPS Signals
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ABSTRACT A new planar, wideband feed for a slot spiral antenna is presented This paper describes a spiral antenna on RT DUROID Substrate for the operating frequency range of 1.2-1.6 GHz These specifications should be satisfied at the frequencies of 1.227 GHz (L2)

Tri-Band Cylindrical Dielectric Resonator Antenna Excited by a Coaxial Probe
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Abstract In this letter, we proposed a tri-band Cylindrical Dielectric Resonator Antenna designed by embedding the cylindrical dielectric resonator (CDR) within another resonator with a different permittivity. In order to excite more modes, a parasite strip is placed at the

Analysis of Improved and Traditional LMS Beamforming Algorithm for Smart Antenna
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ABSTRACT The Least Mean Square (LMS) algorithm, is an adaptive algorithm, which uses a gradient-based method of steepest decent. LMS algorithm uses the estimates of the gradient vector from the available data. LMS incorporates an iterative procedure that

ELECTRODYNAMIC ANALYSIS OF THE SQUARE LOOP ANTENNA AND ITS ELECTROMAGNETIC COMPATIBILITY
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ABSTRACT The electrodynamic theory of the square loop antenna is suggested. In an analytical form its radiation pattern is presented. The problem of electromagnetic compatibility of this antenna is studied. The numerical data are given, and the way of selection of the optimal

Development of Array Antenna for LTE Small Cell Base Stations
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In recent years, mobile service providers are facing rapid increase in data traffic, and so they have much interest in picocells and femtocells which can significantly improve network capacity. Deploying picocells and femtocells, however, can potentially cause inter-cell

Educational Tool for Rectangular and Circular Microstrip Antenna Design
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ABSTRACT A MATLAB/GUI (Graphical User Interface) based simulation tool was developed for the design of both rectangular and circular microstrip patch antenna and for use as an educational material. Transmission line and cavity modeling technique were used in the

A Hexagonal-Shaped Fractal Antenna Array for Multiband Applications
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ABSTRACT A innovative geometry of fractal microstrip antenna has proposed which can be used for various multiband applications. This hexagonal fractal antenna structure has designed to produce multiband characteristics or to achieve miniaturizations. Multiple

Modeling and Design of Annular Ring Microstrip Antenna
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ABSTRACT This paper presents modeling of annular patch antenna. The S and Z parameters of an Annular patch Microstrip antenna are investigated and optimization. The optimization is performed by varying the inner and outer radius of annular Ring. The

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