four-element array antenna
Design of Four Element Array based Antenna with Defected Ground Structure to improve Gain and Return loss
... Antennas play a very important role in the field of wireless communications. Some of them are parabolic reflectors, patch antennas, slot antennas and folded dipole antennas. Each type of antenna is good in its own ...
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An Arrow Headed Modified Cross Slot Array Antenna with Dual Band Characteristics and Circular Polarisation
... slot array antenna with dual band characteristics and circular polarisation is ...proposed array configuration consists of an array of four arrow headed modified cross slot elements ...
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Compact Four-Element Antenna Array Design for BeiDou Navigation Satellite System Applications
... distributed antenna elements often affects radiation patterns of the antenna ...individual antenna elements placed in the proposed antenna array were further measured in an anechoic ...
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Four Element Microstrip Antenna Array with Electromagnetic Band Gap Structure and Silver Material Deposition for Reduced Mutual Coupling
... microstrip antenna array 3 at the corresponding resonant frequencies are ...microstrip antenna 3 is greater than that of proposed microstrip antenna array 2 equal to ...microstrip ...
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Eight-Element Antenna Array at 3.5 GHz for MIMO Wireless Application
... between antenna elements is a major limiting ...the antenna elements is due to near-field coupling and the common ground plane for the ...the antenna efficiency and deteriorate the radiation ...MIMO ...
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Design Smart Antenna by Microstrip Patch Antenna Array
... as shown in Fig. 3, have been introduced. The aperture coupling is the most difficult of all four coupling methods to fabricate and it has narrow bandwidth. This coupling consists of two substrates separated by a ...
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Circularly Polarized Microstrip Array Antenna for Ground Segment in Quasi-Zenith Satellite System
... system, antenna plays an important role. Therefore, the antenna must meet some requirements, such as high gain, circular polarization, and good ...a four element linear array triangular ...
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A Single Layer S/X-Band Series-Fed Shared Aperture Antenna for SAR Applications
... series-fed antenna operating at both S- and X-bands for SAR applications is presented in this ...square-shaped element with microstrip line feeding is used as S-band antenna, and four-groups ...
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A Very Compact Circular Adaptive Array for New Generation Mobile Commercial Receivers
... a four-element circu- lar array, illustrated in Figure 1, is analyzed to ensure that it operates effectively in the ...circular array shown above comprises of four modified normal mode ...
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Four branches Yagi array of microstrip patch antennas design and analysis for wireless LAN application
... an antenna structure which has a four branch element uniform linear array as shown in ...uniform array consists of equal- spaced elements, which are fed with current of equal magnitude ...
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Research on GNSS System Single Interference Direction Finding
... with four-element rectangular and linear antenna ...the antenna array. The linear array can only estimate the elevation ...rectangular array can simultaneously estimate ...
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A Wideband Medium-Gain Vertically Polarized Omnidirectional Antenna Array
... omnidirectional antenna array (VPOA) with wide bandwidth is proposed in this ...dipole antenna with integrated balun (IB) is introduced to use as the wideband ...Then, four antenna ...
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A New Method for Determining the Scattering of Linear Polarized Element Arrays
... Scattering from antennas has been the subject of study since 1950’s. Dicke investigated the properties of antenna scattering with the intent of determining the antenna parameters [1]. Extensive work has ...
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Optimization of Channel Capacity for Indoor MIMO Systems Using Genetic Algorithm
... MIMO antenna design optimization studies are reported in [16] and [17] where the issue of how to appropriately select the number of antennas at the asymmetric base station and mobile units is ...Linear ...
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High Power 30 Element Helical Antenna Array
... of antenna element is the key for a RLHA, but the con- ventional single-branch helical antenna (SBHA) element lacks of sufficient pow- er capacity as the output power of the HPM sources ...
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Design and Fabrication of One Novel Multi-Polarized Multi-Layer Wideband Planar Antenna
... Figure 5 shows the fabricated 1-element, 2-element, 4-element, and 16-element antenna arrays. The electromagnetic energy is fed by the probe through the dielectric substrate and then ...
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Calculation of Antenna Mode Scattering Based on Method of Moments
... the antenna greatly affects the scattering properties of its ...the antenna scattering is mainly made up of two contributors: structural mode scattering and antenna mode scattering ...the ...
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Rectangular Microstrip Patch Antenna Arrays With Inset for Cellular Phones Application
... 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 ...by-two, four-by-four, eight-by-eight ...
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A Compact Dual-Polarized Antenna for Base Station Application
... As mentioned above, to broaden the input impedance bandwidth of the antenna, strong mutual coupling between the adjacent dipoles is introduced. The simulated results of single polarized antenna without ...
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A Broadband Planar Modified Quasi-Yagi Using Log-Periodic Antenna
... quasi-Yagi antenna designed using a 2-element LPDA with some of the reported papers is given in Table ...of antenna with ...the antenna is very large with small variations in other ...
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