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Journal articles on the topic 'E-shaped Patch Antenna'

Author: Grafiati

Published: 4 June 2021

Last updated: 5 February 2022

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1

Pawar, Parmesh S., and Deeplaxmi V. Niture. "Design of Suspended E-Shaped Capacitively Fed Microstrip Patch Antenna." International Journal of Scientific Research 2, no. 6 (June 1, 2012): 230–31. http://dx.doi.org/10.15373/22778179/june2013/73.

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2

Pedra, Antonio C. O., Giovani Bulla, Paulo Serafini, and Alvaro Salles. "Optimization of E-shaped patch antenna." Microwave and Optical Technology Letters 52, no. 7 (July 2010): 1556–61. http://dx.doi.org/10.1002/mop.25227.

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3

Islam, M. Tariqul, M. N. Shakib, and N. Misran. "Modified E-H shaped microstrip patch antenna." IEICE Electronics Express 6, no. 18 (2009): 1350–54. http://dx.doi.org/10.1587/elex.6.1350.

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4

Pandey, Vijay K., and Babau R. Vishvakarma. "Analysis of an E-shaped patch antenna." Microwave and Optical Technology Letters 49, no. 1 (2006): 4–7. http://dx.doi.org/10.1002/mop.22024.

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5

Ansari, J. A., and Ram Brij Ram. "Electronically tunable broadband E-shaped patch antenna." Microwave and Optical Technology Letters 50, no. 5 (2008): 1341–47. http://dx.doi.org/10.1002/mop.23362.

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6

Sharma, Karishma, Dharmendra K. Upadhyay, and Harish Parthasarathy. "Perturbation theory-based field analysis of arbitrary-shaped microstrip patch antenna." International Journal of Microwave and Wireless Technologies 9, no. 8 (April 19, 2017): 1713–23. http://dx.doi.org/10.1017/s1759078717000368.

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In this paper, the concept of perturbation theory is applied to derive a general electric field (E-field) expression for any arbitrary-shaped microstrip patch antenna. The arbitrary shape is created by adding small perturbation in a regular patch shape, which is used to find perturbed and unperturbed electromagnetic wave solutions for resultant E-field of patch antenna. Ansoft HFSS simulator is used to validate the derived field expression in curvilinear coordinates for a regular circular-shaped patch. Then the proposed field analysis is applied to develop two new arbitrary-shaped patches in C-band for desired E-field patterns.

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7

Baruah, Juhi K., Sivaranjan Goswami, Kandarpa Kumar Sarma, and Nikos E. Mastorakis. "2x2 Grid Array Design with E-shaped Microstrip Elements." International Journal of Circuits, Systems and Signal Processing 15 (September 8, 2021): 1365–70. http://dx.doi.org/10.46300/9106.2021.15.146.

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The paper proposes a work of four element in a 2×2 grid fashioned with E-shaped microstrip patch antenna with corporate fed .The paper compares the proposed design with four elements with a single element and a 2 element array design.All the three antenna designs use E shaped microstrip patch as an element. The design of the grid is achieved through the design of a single element, the design of a 1×2 array and finally the design of the 2×2 grid on an FR4 epoxy substrate of thickness 1.5 mm. A corporate feed network of microstrip lines is used to excite the array. The performance of each stage is studied in terms of the return loss parameter, the far field gain, and the beam-widths are observed in each case from simulation results. The resonant frequency in each case is 3.8 GHz. Through comparision of simulation results the paper shows that as the number of elements is increased, the beam-width reduces. In other words, the directivity is increased. Further, it is also observed that the gain and bandwidth is the minimum for the single patch, followed by that of the 1×2 array and the maximum for the 2×2 grid. Thus,it is ssen that the proposed four element antenna with corporate feeding performs better as compared to antennas with either only single patch element or two element array. The construction of the grid leads to increase in gain, bandwidth and directivity of the antenna.

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8

Kumar, Pramod, Santanu Dwari, Shailendra Singh, Ashok Kumar, N. K. Agrawal, and Utkarsh Kumar. "Analysis and Optimization of Conformal Patch Excited Wideband DRA of Several Shapes." Frequenz 72, no. 5-6 (April 25, 2018): 197–208. http://dx.doi.org/10.1515/freq-2017-0039.

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AbstractIn this paper various shapes of DR antennas excited by common feed have been proposed and successfully implemented for wideband applications. Proposed structures are Hemispherical, Arrow-shaped and Triangular DRA, while common excited feed is inverted trapezoidal conformal patch. These shapes of DR offer significant optimization in several parameters such as impedance bandwidth, peak gain and bandwidth per unit volume of the antenna. By using inverted trapezoidal patch feed mechanism an impedance bandwidth (VSWR<2) of about 63 % for hemispherical shape, 66 % for arrow shape, and 72 % for triangular shape DRA has been achieved with maximum bandwidth per unit volume. Proposed wideband DRAs i. e. triangular, hemispherical, and arrow shapes of DR antennas cover almost complete C-band (4 GHz–8 GHz) frequency spectrum of microwave. The average peak gain within the operating band for hemispherical, arrow, and triangular shape DRA are about 5, 5.4, and 5.5 dB respectively. A comparative analysis of proposed structures for various antenna parameters has been analyzed by HFSS (High-Frequency Structure Simulator) and validated by experimental results.

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9

Ao, Wei, Wan Qin Xiang, Chun Ming Chen, Wei Tian, and De Bin Zhang. "Analysis and Design of E-Shaped Dual-Frequency Microstrip Antenna Based on CPSO Algorithm." Advanced Materials Research 760-762 (September 2013): 487–91. http://dx.doi.org/10.4028/www.scientific.net/amr.760-762.487.

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In order to solve the problem of design and optimization for E-shaped patch microstrip antenna, chaotic particle swarm optimization (CPSO) algorithm was proposed to assist the procedure. First, the E-shaped antennas model was created, and then, the parameters of this antenna were adjusted according to the CPSO algorithm, and the procedure was repeated until the antennas capabilities meet the requirements. The simulation results showed that, the optimized model of such antenna, was capable of dual-frequency operation in 1.8GHz and 2.4GHz, and it was also capable of wide bandwidth, could meet the requirements very well.

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10

Jiang, Tao, Tianqi Jiao, and Yingsong Li. "Array Mutual Coupling Reduction Using L-Loading E-Shaped Electromagnetic Band Gap Structures." International Journal of Antennas and Propagation 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/6731014.

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A mutual coupling reduction method between microstrip antenna array elements is proposed by using periodic L-loading E-shaped electromagnetic band gap structures. Two identical microstrip patch antennas at 2.55 GHz are settled together and used to analyze the performance of the designed two-element antenna array. The two antenna elements are settled with a distance of about0.26λ. To reduce the mutual coupling, the L-loading E-shaped electromagnetic band gap structures are used between these antenna elements. The simulated and measured results show that the isolation of the antenna array reaches 38 dB, which has a mutual coupling reduction of 26 dB in comparison with the antenna array without the decoupling structures.

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11

Yeap Kim, Huat, Widad Ismail, Leng Yap Soon, and Ho Yeap Kim. "PARAMETRIC STUDY FOR E-SHAPED MICROSTRIP PATCH ANTENNA." Malaysian Journal of Science 35, no. 2 (December 30, 2016): 316–39. http://dx.doi.org/10.22452/mjs.vol35no2.16.

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12

Ahmed, Razin, and Md Fokhrul Islam. "E-Shaped Microstrip Patch Antenna for Ku Band." International Journal of Computer Applications 80, no. 6 (October 18, 2013): 15–19. http://dx.doi.org/10.5120/13864-1719.

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13

Dawar, P., A. De, and N. S. Raghava. "UWB and directive E-shaped metamaterial patch antenna." Materials Research Innovations 20, no. 3 (April 15, 2016): 240–46. http://dx.doi.org/10.1179/1433075x15y.0000000080.

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14

Ooi, B. L., and Q. Shen. "A novel E-shaped broadband microstrip patch antenna." Microwave and Optical Technology Letters 27, no. 5 (2000): 348–52. http://dx.doi.org/10.1002/1098-2760(20001205)27:5<348::aid-mop17>3.0.co;2-v.

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15

N., Vigneshwar Reddy. "Bandwidth Enhancement of Novel E-shaped Microstrip Patch Antenna with FR4 Substrate at 2.45GHz." Revista Gestão Inovação e Tecnologias 11, no. 4 (July 10, 2021): 1056–69. http://dx.doi.org/10.47059/revistageintec.v11i4.2168.

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16

Baruah, Juhi K., Kandarpa Kumar Sarma, and Sivaranjan Goswami. "Designing of a 2x2 E-shaped Microstrip Patch Grid Antenna." WSEAS TRANSACTIONS ON COMMUNICATIONS 20 (August 10, 2021): 123–27. http://dx.doi.org/10.37394/23204.2021.20.16.

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In this work, a 2×2 grid of E-shaped patch antennas is proposed. The design of the grid is achieved through the design of a single element, the design of a 1×2 array and finally the design of the 2×2 grid on an FR4 epoxy substrate of thickness 1.5 mm. A corporate feed network of microstrip lines is used to excite the array. The performance of each stage is studied in terms of the return loss parameter, the far field gain, and the beam-widths are observed in each case from simulation results. The resonant frequency in each case is 3.8 GHz. It is observed that as the number of elements is increased, the beam-width reduces. In other words, the directivity is increased. Further, it is also observed that the gain and bandwidth is the minimum for the single patch, followed by that of the 1×2 array and the maximum for the 2×2 grid. Thus, the construction of the grid leads to increase in gain, bandwidth and directivity of the antenna.

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17

Malekpoor, Hossein, and Shahrokh Jam. "Miniaturised asymmetric E‐shaped microstrip patch antenna with folded‐patch feed." IET Microwaves, Antennas & Propagation 7, no. 2 (January 2013): 85–91. http://dx.doi.org/10.1049/iet-map.2012.0266.

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18

Vollbracht, D. "Understanding and optimizing microstrip patch antenna cross polarization radiation on element level for demanding phased array antennas in weather radar applications." Advances in Radio Science 13 (November 3, 2015): 251–68. http://dx.doi.org/10.5194/ars-13-251-2015.

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Abstract. The antenna cross polarization suppression (CPS) is of significant importance for the accurate calculation of polarimetric weather radar moments. State-of-the-art reflector antennas fulfill these requirements, but phased array antennas are changing their CPS during the main beam shift, off-broadside direction. Since the cross polarization (x-pol) of the array pattern is affected by the x-pol element factor, the single antenna element should be designed for maximum CPS, not only at broadside, but also for the complete angular electronic scan (e-scan) range of the phased array antenna main beam positions. Different methods for reducing the x-pol radiation from microstrip patch antenna elements, available from literature sources, are discussed and summarized. The potential x-pol sources from probe fed microstrip patch antennas are investigated. Due to the lack of literature references, circular and square shaped X-Band radiators are compared in their x-pol performance and the microstrip patch antenna size variation was analyzed for improved x-pol pattern. Furthermore, the most promising technique for the reduction of x-pol radiation, namely "differential feeding with two RF signals 180° out of phase", is compared to single fed patch antennas and thoroughly investigated for phased array applications with simulation results from CST MICROWAVE STUDIO (CST MWS). A new explanation for the excellent port isolation of dual linear polarized and differential fed patch antennas is given graphically. The antenna radiation pattern from single fed and differential fed microstrip patch antennas are analyzed and the shapes of the x-pol patterns are discussed with the well-known cavity model. Moreover, two new visual based electromagnetic approaches for the explanation of the x-pol generation will be given: the field line approach and the surface current distribution approach provide new insight in understanding the generation of x-pol component in microstrip patch antenna radiation patterns.

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19

Shi, S. J., L. H. Weng, Y. Y. Yang, X. Q. Chen, and X. W. Shi. "Design of Wideband Dissymmetric E-Shaped Microstrip Patch Antenna." Journal of Electromagnetic Waves and Applications 23, no. 5-6 (January 1, 2009): 645–54. http://dx.doi.org/10.1163/156939309788019769.

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20

Ge, Y., K. P. Esselle, and T. S. Bird. "A Compact E-Shaped Patch Antenna With Corrugated Wings." IEEE Transactions on Antennas and Propagation 54, no. 8 (August 2006): 2411–13. http://dx.doi.org/10.1109/tap.2006.877204.

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21

Kumar, Jayendra, F. A. Talukdar, and Banani Basu. "Frequency reconfigurable E-shaped patch antenna for medical applications." Microwave and Optical Technology Letters 58, no. 9 (June 27, 2016): 2214–17. http://dx.doi.org/10.1002/mop.30018.

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22

Cheng, Chunxia, and Liyan Luo. "Mutual Coupling Reduction Using Improved Dual-Layer Mushroom and E-Shaped Stub." International Journal of Antennas and Propagation 2021 (February 18, 2021): 1–9. http://dx.doi.org/10.1155/2021/8862570.

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The improved dual-layer mushroom (IDLM) and back-to-back E-shaped stubs for mutual coupling reduction between microstrip patch antennas are presented in this paper. The IDLM unit consists of one upper layer complementary split-ring resonator lattice and four lower layer lattices, whose centers are connected to the ground by a pin. The decoupling structure can prevent the surface current from one antenna port to another, so as to improve the isolation between the antennas. The proposed antenna works in the open wireless communication band of 2.45 GHz. Using the proposed decoupling structure, a low mutual coupling level ranging from −27 to −40 dB is obtained when the center distance of the adjacent patches is 0.5λ0. The total size of the decoupling antenna is 99 × 41 × 2.4 mm3 with a frequency range of 2.42–2.48 GHz for S11 < −10 dB. The proposed decoupling structure can also improve the average gain and efficiency of the antenna by 0.1 dB and 5%, respectively. The antenna is studied from the aspects of isolation, return loss, current and electric field distribution, radiation pattern, and diversity performance. The designed decoupling antenna is fabricated and measured. The pattern, isolation, and return loss of the tested results show good consistence with the simulation results. The diversity gain and envelop correlation coefficient of the diversity performance show that the designed antenna can be used in MIMO or Rx/Tx systems.

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23

Raghava, N. S., and Asok De. "A Novel High-Performance Patch Radiator." International Journal of Microwave Science and Technology 2008 (August 4, 2008): 1–4. http://dx.doi.org/10.1155/2008/562193.

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A novel two-layer highly efficient directive E-shaped patch radiator is described. By modifying the geometry of a rectangular patch and by introducing two slits, the size of the original rectangular patch is reduced. Further reduction in the size is achieved by stacking E-shaped patches. Both gain and efficiency of this modified antenna is increased by 16%. It is also observed that by introducing EBG structure, the bandwidth of the antenna is increased by 10.5% approximately.

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24

Mekki, K., O. Necibi, C. Boussetta, and A. Gharsallah. "Miniaturization of Circularly Polarized Patch Antenna for RFID Reader Applications." Engineering, Technology & Applied Science Research 10, no. 3 (June 7, 2020): 5655–59. http://dx.doi.org/10.48084/etasr.3445.

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This paper presents a Circularly Polarized Microstrip Patch Antenna (CPMPA) miniaturization with parasitic elements, suitable for UHF RFID systems. The antenna consists of a half E-shaped patch with cuts. A truncated corner patch can generate an additional Circular Polarization (CP) radiation mode and further enhance the axial ratio. Two symmetric cross shaped slots along the horizontal axis of the CPMPA have been embedded, and its dimension optimization has been based on parametric analysis. Thanks to this slotted structure and reduced surface area, good CP quality has been obtained with a 25% overall size reduction. The proposed antenna is lightweight, low profile, simple, and easily produced. The structure’s simulation is made using CST Studio Suite 2014 to compute return loss (S11), gain, and the axial ratio of the antenna while the overall miniaturized antenna’s volume is 77mm×58mm×1.6mm operating at 915MHz.

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25

Sulakshana, Chilukuri, and Lokam Anjaneyulu. "Reconfigurable antennas with frequency, polarization, and pattern diversities for multi-radio wireless applications." International Journal of Microwave and Wireless Technologies 9, no. 1 (June 4, 2015): 121–32. http://dx.doi.org/10.1017/s1759078715000926.

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This paper presents different reconfigurable antennas with frequency, polarization, and pattern diversities. All the antennas have a very simple, novel, and compact structures, which are used for different wireless communication applications. These antennas employ switching for obtaining different reconfigurations. At first, an E-shaped antenna is designed for multi-band frequency reconfigurability. Second, circular and rectangular-shaped patch antennas are designed for achieving diversity in polarization. At last, a pattern reconfigurable antenna is designed with multiport excitation. These antenna performances are analyzed using various parameters such as return loss, radiation pattern, voltage standing wave ratio (VSWR), and gain. The prototypes of the antennas are fabricated and measured results along with simulated ones are presented. Both the results are in good agreement.

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26

Kumar, A. Pramod. "Design of Multiband E-Shaped Patch Antenna with Hexagonal Slot for WLAN Applications." Carpathian Journal of Electronic and Computer Engineering 12, no. 1 (September 1, 2019): 37–41. http://dx.doi.org/10.2478/cjece-2019-0007.

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Abstract The objective of E-shaped patch antenna with hexagonal slot is to operate in the ISM band for different kind of applications, such as WLAN, GPS, and various modern wireless systems. The posit antenna is designed using FR4 substrate having a dielectric constant of 4.4 with a thickness of 1.6 mm. Probe feed technique is used for this antenna design. A parametric study was included to determine the effect of design approaches and the antenna performance. The realization of the designed antenna was analyzed in term of boost (gain), return loss, and radiation pattern. The design was upsurged to confirm the best achievable result. This antenna resonates at three different frequencies at 1.6 GHz, 3.24 GHz, and 5.6 GHz with a reflection coefficient less than -10 dB and VSWR<2.

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27

Jain, Priyanka, Raghavendra Sharma, and Vandana Vikas Thakre. "E SHAPE MICROSTRIP PATCH ANTENNA WITH RECTANGULAR AND CIRCULAR SLOT." International Journal of Engineering Technologies and Management Research 5, no. 2 (May 2, 2020): 188–93. http://dx.doi.org/10.29121/ijetmr.v5.i2.2018.643.

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In this proposed design a Rectangular E shaped micro-strip patch antenna is present with rectangular and circular slot within the Rectangular patch which operate at frequency 2.4 GHz. By proposed antenna design and coaxial feeding at suitable place the resultant return loss, VSWR and bandwidth will be find out. For the propose microstrip antenna we have use FR-4 substrate which contain permittivity of 4.4 and thickness 1.5, loss tangent is 0.02. HFSS simulation software is used for designing and analysis.

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28

Azeez, Hemin, Hung-Chi Yang, and Wen-Shan Chen. "Wearable Triband E-Shaped Dipole Antenna with Low SAR for IoT Applications." Electronics 8, no. 6 (June 12, 2019): 665. http://dx.doi.org/10.3390/electronics8060665.

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This paper presents a novel design of a flexible and wearable E-shaped, multiband dipole antenna. The antenna has a low profile and is printed on a common 2 mm thick denim fabric ( ε r = 1.7 ). By installing a passively coupled rectangular patch with L-shaped cuts, the lower frequency band is supported and the bandwidth at higher frequencies is also enhanced. The antenna’s performance was observed under different deformations in free space as well as when it was placed on different parts of the human body. No significant changes in the characteristics of the frequency bands of interest were observed for the flexible antenna compared with the initial nondeformable antenna. Simulations for 10 g average specific absorption rate (SAR) at different input powers up to 250 mW were carried out considering that the antenna adheres well to the human body and there is no spacing or shielding. The obtained results show that the amount of energy absorbed by the body tissue increases by increasing the incident power.

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29

Akkole, Suresh, and N. Vasudevan. "Design and Optimization of E Shape Multi Band Microstrip Patch Antenna Using Fractal Geometry for Wireless Communication." Journal of Computational and Theoretical Nanoscience 17, no. 5 (May 1, 2020): 2409–14. http://dx.doi.org/10.1166/jctn.2020.8905.

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In this paper an E shaped multiband fractal microstrip antenna proposed. The proposed E structure uses self similar fractal concept. The geometry is extended up to two iteration which resonates at seven multiband frequencies. The proposed antenna operates in 1–2 GHz (L-band), 2–4 GHz (S-band) and 4–8 GHz (C-band) frequencies and finds uses for military and secure long distance communication and C band frequency uses like satellite communication, Wi-Fi, and Radio Detection and Ranging. All designed antennas are optimized by IE3D antenna simulation tool with FR-4 material having 4.4 dielectric constant and loss tangent = 0.02. The parameters of all antennas have been examined in terms of directivity, VSWR, return loss, resonant frequency, bandwidth and gain.

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30

Yeap, Kim Ho, Wei Long Yeo, Koon Chun Lai, Takefumi Hiraguri, Kazuhiro Hirasawa, and Zi Xin Oh. "A compact E-shaped antenna with C-shaped slots and a back-patch for multiband applications." Journal of Electrical Engineering 71, no. 1 (February 1, 2020): 49–54. http://dx.doi.org/10.2478/jee-2020-0007.

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AbstractWe present the design of a tri-band E-shaped printed antenna with C-shaped slots. A Rectangular patch etched with an n-shaped slot is added at the back of the substrate to enhance the bandwidth and the return losses of the resonant bands - particularly, that of the second band. Our antenna is designed to operate at 1.51/2. 46/6.11 GHz. As can be observed from the experimental results, it has 10 dB bandwidths of 157 MHz (1.416 to 1.573 GHz) 358 MHz (2.221 to 2.579 GHz) and 367 MHz (5. 918 – 6. 285 GHz) The first two bands cover the LTE, Bluetooth, IEEE 802.15.4 ZigBee and IEEE 802.11 WLAN applications. The third resonant band covers the unlicensed 6 GHz band which is widely implemented in wireless power transmission, as well as, RFID and satellite communications. In order to ease wireless congestion, the 6 GHz band is also currently being considered by the FCC to be opened up for the use of WiFi applications. Our antenna is fabricated on a single-sided FR4-epoxy, and it constitutes a compact size of 34 mm × 36 mm × 1.6 mm or 0.17λ × 0.18λ times0.0081λ, (based on the 1.51 GHz lowest resonant frequency) The antenna exhibits omnidirectional radiation patterns at the three resonant bands.

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31

Abolade, Jeremiah O., Dominic B. O. Konditi, and Vasant M. Dharmadhikary. "A Comparative Study of Compact Multiband Bio-Inspired Asymmetric Microstrip Fed Antennas (BioAs-MPAs) for Wireless Applications." Journal of Engineering 2021 (February 23, 2021): 1–17. http://dx.doi.org/10.1155/2021/6676689.

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A comparative analysis of compact multiband bio-inspired Asymmetric microstrip fed antennas (BioAs-MPAs) is presented in this paper for the first time. The proposed antennas are based on semi-Carica papaya-leaf shaped, semi-Monstera deliciosa-leaf shaped, semi-Vitis vinifera shaped, Defected Ground Structure (DGS) and L-slit techniques. The antennas are built on a 33 × 15 mm2 Rogers duroid 5880 substrate. The modelling equations for resonant frequencies of the proposed arbitrarily shaped radiating patch is based on modified circular patch modelling equations. The semi-Carica papaya-leaf antenna operates at 2.4 GHz and 4.4 GHz, Monstera deliciosa-leaf antenna operates at 2.6 GHz, 4.4 GHz and 5.5 GHz, while Vine-leaf antenna operates at 2.5 GHz and 5.4 GHz. The proposed BioAs-MPAs antennas radiation patterns at E-plane are Bi-directional in all the operating frequencies with suitable X-Pol purity and have Omnidirectional radiation patterns at H-Plane in all the operating frequencies. As a result of the analysis, it was found that each of the bio-inspired structures has its unique merit over the others. Owing to the small size, stable radiation pattern, acceptable gain and high radiation efficiency, the proposed BioAs-MPAs antennas are suitable for ISM band, Bluetooth, Wi-Fi, WiMAX, LTE, UMTS, Sub6 GHz 5 G band, ZigBee and RF-Altimeter used in unmanned aerial vehicle and Aviation industry.

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32

Jyothi, N. Krishna. "Design and Simulation of Wideband E-Shaped Microstrip Patch Antenna." International Journal for Research in Applied Science and Engineering Technology V, no. IX (September 30, 2017): 1027–34. http://dx.doi.org/10.22214/ijraset.2017.9149.

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33

K Mathew, Pristin, and Sneha Mohan. "A DOUBLE E SHAPED MICROSTRIP PATCH ANTENNA FOR MULTIBAND APPLICATIONS." ICTACT Journal on Communication Technology 05, no. 02 (June 1, 2014): 941–46. http://dx.doi.org/10.21917/ijct.2014.0135.

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34

Islam, Mohammad Tariqul, M. N. Shakib, and Norbahiah Misran. "BROADBAND E-H SHAPED MICROSTRIP PATCH ANTENNA FOR WIRELESS SYSTEMS." Progress In Electromagnetics Research 98 (2009): 163–73. http://dx.doi.org/10.2528/pier09082302.

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35

Caratelli, D., R. Cicchetti, G. Bit-Babik, and A. Faraone. "A Perturbed E-Shaped Patch Antenna for Wideband WLAN Applications." IEEE Transactions on Antennas and Propagation 54, no. 6 (June 2006): 1871–74. http://dx.doi.org/10.1109/tap.2006.874364.

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36

Ansari, Jamshed Aslam, and Ram Brij Ram. "TUNNEL DIODE INTEGRATED E-SHAPED PATCH ANTENNA FOR BROADBAND OPERATION." Progress In Electromagnetics Research Letters 1 (2008): 263–73. http://dx.doi.org/10.2528/pierl07121201.

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37

Tiwari, Rakesh N., Prabhakar Singh, and Binod Kumar Kanaujia. "Bandwidth enhancement using modified L-probe fed slotted patch antenna for WLAN and UMTS applications." International Journal of Microwave and Wireless Technologies 11, no. 3 (December 3, 2018): 302–12. http://dx.doi.org/10.1017/s175907871800154x.

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AbstractIn this paper, two different radiating structures fed with modified L-probe, are reported using a circuit theory concept. The proposed antennas are operating in wireless local area network (WLAN) and universal mobile telecommunications system (UMTS) frequency bands. In the first design, an E-shaped patch is studied to increase the bandwidth. It is observed that the bandwidth is directly proportional to notch dimensions. In the second design, E-shaped patch is modified to reduce the antenna size up to 30% with high bandwidth. In the first design, measured bandwidth and gain achieved are 32.68% (1.92–2.67 GHz) and 8.43 dBi while in second design it is 34.19% (1.94–2.74 GHz) and 8.39 dBi, respectively. Radiation patterns for both the antennas are symmetrical and broadside in nature. The proposed antennas are fabricated and measured results compare well with the theoretical and simulated results.

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38

Prasad, L., B. Ramesh, K. S. R. Kumar, and K. P. Vinay. "Design and Implementation of Multiband Microstrip Patch Antenna for Wireless Applications." Advanced Electromagnetics 7, no. 3 (August 19, 2018): 104–7. http://dx.doi.org/10.7716/aem.v7i3.646.

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Multiband phased array antennas are required for today’s multi-function communication applications. Generally Microstrip antenna arrays like Kotch array, Sierpinski array are used, but in some circuits where space is limited, arrays are not used. Therefore, to achieve the multiband operation with limited space, an antenna is designed with E-shaped in combination with split ring resonator to achieve the multiband operation. The simulation and experimental results show that the proposed antenna operates at four different frequencies, 1.8GHz, 3.6GHz, 4.53GHz and 5.73GHz, which can be used for different wireless applications like GSM 1800 (1.71– 1.78 GHz), WiMAX (3.4-3.69GHz) -IEEE 802.16 standards, Wi-Fi/WLAN (5.15-5.82 GHz). All the simulation results like resonant frequency, return loss, radiation patterns and fabricated antenna measured result is presented in this paper. The antenna is simulated using CST 2014 software.

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Siri Chandana, R., P. Sai Deepthi, D. Sriram Teja, N. Veera JayaKrishna, and M. Sujatha. "Design of a Single Band Microstrip Patch Antenna for 5G Applications." International Journal of Engineering & Technology 7, no. 2.7 (March 18, 2018): 532. http://dx.doi.org/10.14419/ijet.v7i2.7.10877.

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This article is about a single band microstrip patch antenna used for the 5G applications. And this antenna is suitable for the millimeter wave frequency. The patch antenna design consists of 2 E shaped slots and 1 H shaped slot. These slots are loaded on the radiating patch with the 50 ohms microstrip feed line. For the simulation purpose, Rogers’s RT5880 dielectric substrate with relative permittivity of 2.2 and loss tangent of 0.0009 is used. The design and simulation of the antenna is done using HFSS (High Frequency Structure Simulator) software. The results are simulated for the parameters Return loss, VSWR, 3D Radiation pattern. The proposed antenna has a return loss of -42.4383 at 59 GHz millimeter wave frequency.

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Zhang, Geng, Chi Gao, and Zi Bin Weng. "3-dB Radiation Beamwidth Adjustment for E-Shaped Microstrip Antennas." Applied Mechanics and Materials 668-669 (October 2014): 1189–93. http://dx.doi.org/10.4028/www.scientific.net/amm.668-669.1189.

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This paper introduces a simple, E-shaped slot loaded wideband microstrip patch antenna with a metallic cavity. The antenna design is an improvement from previous research and it is simulated using HFSS 13 software. The performance of the designed antenna was analyzed in term of bandwidth, gain, VSWR, and radiation pattern. What does the substrate use is air. The results show the wideband antenna is able to operate from 190MHz to 230MHz frequency band with optimum frequency at 210MHz, and the 3-dB radiation beamwidth of the E and the H plane at the 210MHz are 61° and 51°. However, the 3-dB radiation beamwidth of the E and the H plane at the 210MHz can be adjusted to 70° by using a metallic cavity.

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Karmaker, Palash Chandra, A. G. M. B. Mustayen, and Md Mizanur Rahman. "E-Shaped Microstrip Patch Antenna for WiMAX Application: Design and Simulation." IJIREEICE 4, no. 8 (August 15, 2016): 1–6. http://dx.doi.org/10.17148/ijireeice.2016.4801.

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Ge, Yuehe, Karu P. Esselle, and Trevor S. Bird. "A broadband E-shaped patch antenna with a microstrip-compatible feed." Microwave and Optical Technology Letters 42, no. 2 (2004): 111–12. http://dx.doi.org/10.1002/mop.20223.

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Svezhentsev, Alexander Y., Vladimir Volski, Sen Yan, and Guy A. E. Vandenbosch. "Omnidirectional wide-band E-shaped cylindrical patch antenna with horizontal polarization." Microwave and Optical Technology Letters 58, no. 4 (February 24, 2016): 875–77. http://dx.doi.org/10.1002/mop.29688.

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Asif, Sajid M., Adnan Iftikhar, Saeed M. Khan, Muhammad Usman, and Benjamin D. Braaten. "An E-shaped microstrip patch antenna for reconfigurable dual-band operation." Microwave and Optical Technology Letters 58, no. 6 (March 28, 2016): 1485–90. http://dx.doi.org/10.1002/mop.29814.

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Khidre, Ahmed, Kai-Fong Lee, Fan Yang, and Atef Z. Elsherbeni. "Circular Polarization Reconfigurable Wideband E-Shaped Patch Antenna for Wireless Applications." IEEE Transactions on Antennas and Propagation 61, no. 2 (February 2013): 960–64. http://dx.doi.org/10.1109/tap.2012.2223436.

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Rajagopalan, Harish, Joshua M. Kovitz, and Yahya Rahmat-Samii. "MEMS Reconfigurable Optimized E-Shaped Patch Antenna Design for Cognitive Radio." IEEE Transactions on Antennas and Propagation 62, no. 3 (March 2014): 1056–64. http://dx.doi.org/10.1109/tap.2013.2292531.

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Sodré Junior, Arismar Cerqueira, Igor Feliciano da Costa, Leandro Tiago Manera, and José Alexandre Diniz. "Optically Controlled Reconfigurable Antenna Array Based on E-Shaped Elements." International Journal of Antennas and Propagation 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/750208.

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This work presents the development of optically controlled reconfigurable antenna arrays. They are based on two patch elements with E-shaped slots, a printed probe, and a photoconductive switch made from an intrinsic silicon die. Numerical simulations and experiments have been shown to be in agreement, and both demonstrate that the frequency response of the antenna arrays can be efficiently reconfigured over two different frequency ISM bands, namely, 2.4 and 5 GHz. A measured gain of 12.5 dBi has been obtained through the use of two radiating elements printed in a low-cost substrate and a dihedral corner reflector.

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Yeung, S. H., and K. F. Man. "A New Jumping Genes Paradigm for an E-Shaped Folded Patch Feed Antenna Design." International Journal of Microwave Science and Technology 2007 (September 20, 2007): 1–10. http://dx.doi.org/10.1155/2007/10672.

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A novel evolutionary computing algorithm, namely, jumping genes evolutionary algorithm (JGEA) is used for the optimization of antenna designs. This scheme incorporates with a multiobjective strategy that enables the gene mobility within the same chromosome, or even to a different chromosome. This type of horizontal gene movement causes the genes to find the suitable locations to achieve the necessary building blocks in such a way that the quality of nondominated solutions and/or the Pareto-optimal solutions can be enhanced. This new scheme is robust and provides outputs in speed and accuracy. It also generates a range of widespread extreme solutions. The design of an E-shaped patch antenna was adopted for the purpose of design demonstration. An antenna structure with 91% impedance bandwidth for a frequency range of 3.6–9.6 GHz was selected amongst the nondominated solutions set for the hardware fabrication. Its measured performances both for impedance bandwidth and frequency range were in good agreement with the simulated solution. The cross-polarized field was found to be small in comparison, and the copolarized field can sustain the broadside radiation pattern over the frequency band. This methodology of optimization can be of an alternative approach for antenna design.

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Aldhaheri, Rabah, Ibrahim Alruhaili, Kamili Babu, and Muntasir Sheikh. "A Compact CPW-Fed UWB Antenna with Dual-Band Notched Characteristics for WiMAX/WLAN Applications." Applied Computational Electromagnetics Society 36, no. 2 (March 16, 2021): 145–51. http://dx.doi.org/10.47037/2020.aces.j.360205.

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A dual-notched bands ultra-wideband (UWB) antenna with coplanar waveguide (CPW) fed is presented in the paper. The two notched bands are selected at 3.5 and 5.8 GHz frequencies to overcome the interference from WiMAX and WLAN bands. The overall size of the antenna is 17.5×17.5 mm2, which can be considered as one of the smallest UWB antennas in the literature. The developed antenna has an impedance band width ranging from 2.9 to 13 GHz. The measured radiation patterns on E and H planes are nearly omni-directional and stable with acceptable gain over the entire band. The dual-band notched at WiMAX and WLAN is created by embedding I-shaped and C-shaped stubs in the radiation patch of the antenna. Due to the compactness, good radiation patterns and the reasonable stable gain, this antenna is well suited for integration into portable wireless communications devices for UWB applications.

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Rajan, S. Palanivel, M. Paranthaman, and C. Vivek. "Design and Enhancement of Wideband Reconfigurability using Two E-Shaped Patch Antenna." Asian Journal of Research in Social Sciences and Humanities 6, no. 9 (2016): 317. http://dx.doi.org/10.5958/2249-7315.2016.00799.1.

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