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Journal articles on the topic 'Irregularly Shaped Microstrip Antenna Analysis'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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1

Ansari, J. A., Satya Kesh Dubey, Prabhakar Singh, R. U. Khan, and Babau R. Vishvakarma. "Analysis of compact H-shaped microstrip antenna." Microwave and Optical Technology Letters 50, no. 7 (2008): 1779–84. http://dx.doi.org/10.1002/mop.23543.

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2

Ramirez, L. A. R., and J. C. A. Santos. "Design, Simulation, and Optimization of an Irregularly Shaped Microstrip Patch Antenna for Air-to-Ground Communications." International Journal of Antennas and Propagation 2017 (2017): 1–9. http://dx.doi.org/10.1155/2017/5156263.

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In this study an irregularly shaped microstrip patch antenna was designed, simulated, and optimized for air-to-ground communication (ATG) applications. The process started with the design of a rectangular patch antenna with the traditional transmission line and cavity methods, followed by a simulation with the finite-difference time-domain method (FDTD) in conjunction with a genetic algorithm (GA). The aim of the study was to design an efficient patch antenna. The designed antenna is resonating at 14.25 GHz with 35 dB return loss. The 10 dB bandwidth of the antenna is 3.7 GHz.

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3

Sharma, Kratika, and Om Prakash Sharma. "Comparative Analysis of Stack Shaped Microstrip Patch Antenna." International Journal of Computer Applications 109, no. 17 (January 16, 2015): 6–9. http://dx.doi.org/10.5120/19415-0608.

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4

Et.al, R. Ramasamy. "Design and Analysis of Multiband Bloom Shaped Patch Antenna for IoT Applications." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 3 (April 10, 2021): 4578–85. http://dx.doi.org/10.17762/turcomat.v12i3.1848.

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A Microstrip Bloom shaped patch antenna is proposed for Internet of Things (IoT) application. This antenna operates at multiband frequencies between 1.6 GHz to 2.45 GHz. The Bloom shaped antenna provides multiband response that examined in HFSS Software. In this proposed antenna design, FR4 substrate material is used because it is easily available and low cost. The proposed antenna structure simulated and analyzed in different experimental results including return loss measurement, Voltage Standing Wave Ratio measurement, radiation pattern measurement and gain measurement. This proposed Multiband Microstrip Bloom shaped patch antenna provides better experimental results in all the parameters

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5

Pandey, Ganga Prasad, Binod Kumar Kanaujia, Surendra K. Gupta, and Shayna Jain. "Analysis of tunnel diode loaded H-shaped microstrip antenna." International Journal of Radio Frequency Identification Technology and Applications 3, no. 4 (2011): 244. http://dx.doi.org/10.1504/ijrfita.2011.043737.

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6

Singh, Diwakar. "Analysis and Design of S-shaped Microstrip Patch Antenna." IOSR Journal of Electronics and Communication Engineering 7, no. 4 (2013): 18–22. http://dx.doi.org/10.9790/2834-0741822.

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7

Sharma, Priyanka, Kirti Vyas, and Rajendra Prasad Yadav. "Design and analysis of miniaturized UWB antenna with tunable notched band." International Journal of Microwave and Wireless Technologies 9, no. 3 (April 7, 2016): 691–96. http://dx.doi.org/10.1017/s1759078716000489.

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We report in this paper a novel miniaturized (12 × 18 × 1.6 mm3) microstrip fed UWB antenna with tunable notched band characteristics. The proposed antenna covers the tunable notched band for IEEE 802.11a wireless local area network operating in the frequency band of 5.15–5.825 GHz. The design of proposed antenna includes annular ring radiating patch with two T-shaped strips present inside it. The band notching is obtained by adjusting coupling between T-shaped strips placed inside the annular ring. In order to achieve larger bandwidth the ground plane of the microstrip antenna is modified. The simulated return loss of the proposed antenna has been verified in fabricated antenna experimentally, which has been in good agreement.

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8

Deshmukh, Amit A., and K. P. Ray. "Analysis of L-shaped slot cut broadband rectangular microstrip antenna." International Journal of Electronics 100, no. 8 (August 2013): 1108–17. http://dx.doi.org/10.1080/00207217.2012.743067.

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9

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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10

Chaturvedi, Anup Kumar, and R. K. Prasad. "Design and Analysis of Double T-Shaped Triangular Microstrip Patch Antenna." i-manager’s Journal on Wireless Communication Networks 4, no. 2 (September 15, 2015): 21–25. http://dx.doi.org/10.26634/jwcn.4.2.3586.

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11

Pierantoni, L., M. Farina, and T. Rozzi. "Accurate analysis of H-shaped antenna coupled to microstrip feed-line." Electronics Letters 38, no. 14 (2002): 676. http://dx.doi.org/10.1049/el:20020470.

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12

Ustun, Deniz, and Feyza Toktas. "Surrogate-based computational analysis and design for H-shaped microstrip antenna." Journal of Electromagnetic Waves and Applications 35, no. 1 (October 5, 2020): 71–82. http://dx.doi.org/10.1080/09205071.2020.1828181.

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13

Mansoori, SaimaTabassum, and Rahul Koshta. "DESIGN AND ANALYSIS OF DUAL BAND H SHAPED RECTANGULAR MICROSTRIP PATCH ANTENNA." International Journal of Research -GRANTHAALAYAH 5, no. 10 (October 31, 2017): 369–74. http://dx.doi.org/10.29121/granthaalayah.v5.i10.2017.2315.

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In this paper we are study about wireless antenna, which are used for wireless communication, the wireless communication system are having important role in service requirement. We are design and analyzed the Dual Band type H Shaped Rectangular Microstrip Patch Antenna and S- parameters are finding out using of various Substrate height (H).

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14

Farhood, Alaa, Maham Kamil Naji, Suhad Hasan Rhaif Hasan Rhaif, and Adnan Ali. "Design and analysis of dual band integrated hexagonal shaped microstrip UWB antenna." Indonesian Journal of Electrical Engineering and Computer Science 15, no. 1 (July 1, 2019): 294. http://dx.doi.org/10.11591/ijeecs.v15.i1.pp294-299.

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<span class="s22">In this paper, we proposed a hexagonal shaped </span><span class="s22">microstrip</span><span class="s22"> ultra-wideband (UWB) antenna integrated with dual band applications. The antenna design consists of a hexagonal shape patch with two folded Capacitive Loaded Line Resonators (CLLRs) on the left edge of the patch antenna. This hexagonal structure is used to implement UWB applications (3.1-10.6 GHz). A rectangular ground</span><span class="s22">,</span><span class="s22"> and two CLLR are also used on t</span><span class="s22">he bottom of antenna to obtain</span><span class="s22"> the extra dual resonant frequency at 2.4 GHz and 9.1 GHz for </span><span class="s22">B</span><span class="s22">luetooth and radar applications respectively. The proposed design is implemented using FR4 epoxy substrate. The relative permittivity of the substrate is 4</span><span class="s22">.4. The overall size of designing</span><span class="s22"> antenna is 26 × 30 mm2 with 1.6 mm as thickness and fed by standard feed line of 50 Ω </span><span class="s22">microstrip</span><span class="s22">. The results obtained from the simulation indicate that the designed antenna attains a good bandwidth from 1.1 GHz – 10.69 GHz with VSWR < 2 and return loss < -10 </span><span class="s22">dB.</span><span class="s22"> The proposed geometry is s</span><span class="s22">imulated by using the </span><span class="s22">Ansoft</span><span class="s22"> HFSS </span><span class="s22">simulator working on the principle of FEM and results are also analyzed.</span>

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15

Nugroho, Bambang Setia, Fitri Yuli Zulkifli, and Eko Tjipto Rahardjo. "Lossy-Transmission-Line Analysis of Frequency Reconfigurable Rectangular-Ring Microstrip Antenna." International Journal of Microwave Science and Technology 2014 (November 13, 2014): 1–10. http://dx.doi.org/10.1155/2014/303581.

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An analytical model for a frequency reconfigurable rectangular-ring microstrip antenna is proposed. The resonant frequencies and input impedance of the reconfigurable antenna are analyzed using a lossy-transmission-line (LTL) model. By making use of Y-admittance matrices, a formulation for the input impedance is analytically derived. The structure of the frequency reconfigurable antenna consists of a rectangular-ring shaped microstrip antenna which is loaded with a rectangular patch in the middle of the rectangular-ring antenna and fed by a microstrip line. RF switches are applied to connect the load to the antenna in order to reconfigure the operating frequencies. By modeling the antenna into a multiport equivalent circuit, the total input impedance is analytically derived to predict the resonant frequencies. To verify the analysis, the model input impedance and reflection coefficient calculation have been compared with the full-wave simulation and measurement results. The proposed model shows good agreement with full-wave simulated and measured results in the range of 1–3 GHz.

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16

Wali, R., S. Ghnimi, A. G. Hand, and T. Razban. "Analysis and Design of a New Dual Band Microstrip Patch Antenna Based on Slot Matching Y-Shaped." Journal of Engineering Research [TJER] 11, no. 2 (December 1, 2014): 89. http://dx.doi.org/10.24200/tjer.vol11iss2pp89-97.

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A new compact microstrip slot antenna with Y-shaped coupling aperture is proposed. This antenna is based on a rectangular form with a microstrip fed line for excitation, and consists of slots on the edge of the radiation patch to provide dual-band operation. The design and simulation of the antenna were performed using CST Microwave Studio simulator. A prototype of the proposed antenna has been constructed and tested. In order to validate the return loss of the prototype antenna, the experimental results are presented. The results show two available bands with –10 dB band S at 2.7 GHz and band C at 5 GHz. Also, good radiation performance and antenna gain over the two frequency ranges have been obtained. Computation results confirm the experimental findings.

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17

Ye, Yuhuang, Jiade Yuan, and Kaixiong Su. "A Volume-Surface Integral Equation Solver for Radiation from Microstrip Antenna on Anisotropic Substrate." International Journal of Antennas and Propagation 2012 (2012): 1–4. http://dx.doi.org/10.1155/2012/120208.

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A volume-surface integral equation (VSIE) solver is presented for the calculation of electromagnetic radiation from arbitrary shaped microstrip antenna on anisotropic substrate. The method of moments (MoM) is used to convert the integral equation into a matrix equation, where the equivalent volume current and surface current are expanded into a finite series of SWG and RWG basis function, respectively. A simple strip model is incorporated in the VSIE to simplify the analysis of the probe-fed microstrip antenna. The present approach is sufficiently versatile in handling microstrip antenna with arbitrary shaped anisotropic dielectric substrate. Numerical results indicate the reliability and accuracy of the proposed method.

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18

Yuan, Jiade, and Kaixiong Su. "Electromagnetic Radiation from Arbitrarily Shaped Microstrip Antenna Using the Equivalent Dipole-Moment Method." International Journal of Antennas and Propagation 2012 (2012): 1–5. http://dx.doi.org/10.1155/2012/181235.

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The equivalent dipole-moment method (EDM) is extended and applied in the analysis of electromagnetic (EM) radiation by arbitrarily shaped microstrip antenna in this paper. The method of moments (MoM) is used to solve the volume-surface integral equation (VSIE). A strip model is applied in the treatment of the feeding probe of the microstrip antenna, in which the discretized triangular elements of the excitation source are equivalent as dipole models. The proposed approach is sufficiently versatile in handling arbitrarily shaped microstrip antenna and is easily constructed through a simple procedure. Numerical results are given to demonstrate the accuracy and efficiency of this method.

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19

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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20

Singh, Pushpinder, and Gaurav Monga. "Design and Comparative Analysis of Rectangular Slot Microstrip Patch Antennas for X-band Applications." International Journal of Advanced Research in Computer Science and Software Engineering 8, no. 5 (June 2, 2018): 48. http://dx.doi.org/10.23956/ijarcsse.v8i5.664.

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Microstrip patch antenna is a compact antenna which suffers the limitations of poor gain and reduction in radiation pattern. To reduce the resonance frequency of microstrip antenna increases the length of surface current with help of cutting slots in the patch. In this paper, a comparison of four Microstrip antennas with unequal length of rectangular slots is proposed. The microstrip antennas having rectangular shaped ground plane and FR4-epoxy substrate with relative permittivity 4.4, relative permeability 1 and dielectric loss tangent 0.02 with an overall size of 100×100×5 mm3. The performance of antennas is compared with slots in the patch and the effects of rectangular slots using operating frequency of 8 to 12 GHz are presented. The design simulate and analyze on FEM based HFSSv11 and this helps to compute VSWR, return loss, gain, radiation efficiency and 3D polar plot of the proposed microstrip antenna. The proposed configuration gives broadside gain of more than 8 dBi and VSWR (>2) over entire range in simulated results.

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21

Srivastava, Stuti, Vinod Kumar Singh, Ashutosh Kumar Singh, and Zakir Ali. "Duo Triangle Shaped Microstrip Patch Antenna Analysis for WiMAX Lower Band Application." Procedia Technology 10 (2013): 554–63. http://dx.doi.org/10.1016/j.protcy.2013.12.395.

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22

Das, S., P. P. Sarkar, and S. K. Chowdhury. "Design and analysis of a compact monitor-shaped multifrequency microstrip patch antenna." Journal of Electromagnetic Waves and Applications 28, no. 7 (February 28, 2014): 827–37. http://dx.doi.org/10.1080/09205071.2014.892441.

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23

Cui, Jun-Hai, Shun-Shi Zhong, and Chun Yu. "FDTD analysis of a compact microstrip antenna with a C-shaped slot." Microwave and Optical Technology Letters 28, no. 3 (2000): 170–72. http://dx.doi.org/10.1002/1098-2760(20010205)28:3<170::aid-mop6>3.0.co;2-l.

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24

Wang, Junjun, and Xudong He. "Analysis and Design of a Novel Compact Multiband Printed Monopole Antenna." International Journal of Antennas and Propagation 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/694819.

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A compact multiband printed monopole antenna is presented. The proposed antenna, composed of a modified broadband T-shaped monopole antenna integrating some band-notch structures in the metallic patch, is excited by means of a microstrip line. To calculate the bandwidth starting frequency (BSF) of the T-shaped broadband antenna, an improved formula is proposed and discussed. The multiband operation is achieved by etching three inverted U-shaped slots on the radiant patch. By changing the length of the notch slots, operation bands of the multiband antenna can be adjusted conveniently. The antenna is simulated in Ansoft HFSS and then fabricated and measured. The measurement results show that the proposed antenna operates at 2.25–2.7 GHz, 3.25–3.6 Hz, 4.95–6.2 GHz, and 7-8 GHz, covering the operation bands of Bluetooth, WiMAX, WLAN, and downlink of X-band satellite communication system and thus making it a proper candidate for the multiband devices.

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25

Mishra, Nivedita, Dr Saima Beg, and Anand Kumar Gupta. "Comparative analysis of T and I Shaped Rectangular Mircostrip Patch Antenna for Wireless communication Applications." Journal of University of Shanghai for Science and Technology 23, no. 05 (July 20, 2021): 806–15. http://dx.doi.org/10.51201/jusst/21/06489.

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The following is an abstract of the paper, the mirror image design parameters and effective results for an antenna with a rectangular microstrip overlay using IE3D software is described that outcomes of the simulations and designs are displayed. The probe feed approach was used to generate the microstrip patch pattern. Such patch antennas have been investigated due to their large bandwidth and gain. This antenna is fabricated on an FR-4 epoxy substrate. This antenna’s performance and results are also matched to a standard rectangular patch antenna. Variables are utilized to improve the antenna’s simulation results are as position, space, length, and width of different mirror images T and I shaped antenna slots. The measured results from the simulated design show that the designed construction resonates at various closely separated frequencies that are within the frequency band allotment for wireless applications. At resonance frequencies of 2GHz to 3GHz, the bandwidth and return loss are significantly enhanced.

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26

Gaurav Mishra, Raj, Ranjan Mishra, Piyush Kuchhal, and N. Prasanthi Kumari. "Optimization and analysis of high gain wideband microstrip patch antenna using genetic algorithm." International Journal of Engineering & Technology 7, no. 1.5 (December 31, 2017): 176. http://dx.doi.org/10.14419/ijet.v7i1.5.9142.

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Microstrip antennas that can operate in single and multiple frequency bands are required in various wireless communication devices. A single patch, square shaped microstrip patch antenna having high directivity and gain is proposed in this paper. The geometry of proposed antenna is optimized using Genetic Algorithm (GA) to operate in X-Band for wideband applications. The proposed antenna design exhibits a wide operating bandwidth 550 MHz (simulated) and 450 MHz (measured), high gain and directivity of about 8.35 dB (simulated) making it suitable for wideband applications. The proposed antenna design works in X-band which has weatherproof characteristics and supports easy communication of voice, data, images and HD videos. The attractiveness of the GA design over the traditional design methods is its ability to achieve the desired performance by using a simple design of single patch antenna.

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27

Mahmud, Md Zulfiker, Md Tarikul Islam, Ali F. Almutairi, Md Samsuzzaman, U. K. Acharjee, and Mohammad Tariqul Islam. "A Parasitic Resonator-Based Diamond-Shaped Microstrip Antenna for Microwave Imaging Applications." Electronics 8, no. 4 (April 16, 2019): 434. http://dx.doi.org/10.3390/electronics8040434.

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This study proposes a new parasitic resonator-based diamond-shaped microstrip patch antenna for ultra-wideband microwave imaging applications. The antenna consists of a diamond-shaped radiating patch, partial ground plane, and four-star shape parasitic elements. The use of parasitic elements improves the antenna performance in terms of the bandwidth and gain. The proposed prototype has a compact dimension of 30 × 25 × 1.6 mm3. The antenna achieves an overall bandwidth (S11<-10dB) of 7.6 GHz (2.7–10.3 GHz) with more than 4 dBi realized gain and 80% efficiency across the radiating bandwidth. The modified structures of the design extended the usable upper frequency from 9.7 GHz to 10.3 GHz, and the lower frequency is decreased from 3.4 GHz to 2.7 GHz with maintaining the omnidirectional radiation pattern. The design and simulation of the antenna are performed in the 3D electromagnetic simulator CST Microwave Studio. The proposed antenna is used for breast phantom measurement system to analyze the variation of backscattering signal and transmit-received pulses. The observation during the analysis of the numerical and measured data reveals that the designed antenna is a suitable candidate for ultra-wideband (UWB)-based microwave imaging applications.

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28

Jang, Yong-Woong. "Characteristic analysis of reverse-L-shaped microstrip-fed large-bandwidth printed slot antenna." International Journal of RF and Microwave Computer-Aided Engineering 12, no. 6 (October 11, 2002): 496–502. http://dx.doi.org/10.1002/mmce.10055.

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29

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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30

Adriana Azhar, Nayli, Norazizah Mohd Aripin, Goh Chin Hock, Nayla Ferdous, and Saidatul Hamidah. "A t-shaped partial ground microstrip patch antenna based UHF sensor for partial discharge detection." Indonesian Journal of Electrical Engineering and Computer Science 20, no. 2 (November 1, 2020): 704. http://dx.doi.org/10.11591/ijeecs.v20.i2.pp704-711.

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Continuous partial discharge (PD) monitoring and early PD detection is important in making sure the necessary preventative measures can be taken accordingly. This paper proposed a T-shaped partial ground microstrip patch antenna that is able to detect PD signal within the UHF range. The antenna was designed and simulated using CST Microwave Studio. The antenna was then fabricated using FR4 substrate material and tested for reception test. The simulation results and the analysis from the fabricated antenna confirmed that the proposed antenna able to detect PD signal at UHF range (specifically at about 500 MHz) and fulfilled the design requirements in terms of the return loss, VSWR, bandwidth and gain. Reception test had confirmed that the proposed antenna was able to detect PD signals that are located at maximum distance, ranges from 37 cm to 70 cm (depending on the PD signal strength). The proposed antenna also had succesfully detected PD occurances at 300 MHz to 700 MHz. In conclusion, the proposed T-shaped partial ground microstrip patch antenna had been successfully designed and able to detect PD signal emitted in the UHF range.

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31

Aneesh, Mohammad, Anil Kumar, Ashish Singh, Kamakshi Kamakshi, and J. A. Ansari. "Design and Analysis of Microstrip Line Feed Toppled T Shaped Microstrip Patch Antenna using Radial Basis Function Neural Network." Journal of Electrical Engineering and Technology 10, no. 2 (March 1, 2015): 634–40. http://dx.doi.org/10.5370/jeet.2015.10.2.634.

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32

R, Romeesa, and Narinder Sharma. "Comparative Analysis of Modified fractal, L-Shaped and Fractal Slotted Patch antenna with Novel Microstrip Rectangular L-Shaped Slotted Patch Antenna for Wireless Applications." International Journal of Computer Applications 180, no. 1 (December 15, 2017): 28–32. http://dx.doi.org/10.5120/ijca2017915897.

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33

Li, Yingsong, Wenxing Li, and Qiubo Ye. "A Reconfigurable Triple-Notch-Band Antenna Integrated with Defected Microstrip Structure Band-Stop Filter for Ultra-Wideband Cognitive Radio Applications." International Journal of Antennas and Propagation 2013 (2013): 1–13. http://dx.doi.org/10.1155/2013/472645.

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A printed reconfigurable ultra-wideband (UWB) monopole antenna with triple narrow band-notched characteristics is proposed for cognitive radio applications in this paper. The triple narrow band-notched frequencies are obtained using a defected microstrip structure (DMS) band stop filter (BSF) embedded in the microstrip feed line and an invertedπ-shaped slot etched in the rectangular radiation patch, respectively. Reconfigurable characteristics of the proposed cognitive radio antenna (CRA) are achieved by means of four ideal switches integrated on the DMS-BSF and the invertedπ-shaped slot. The proposed UWB CRA can work at eight modes by controlling switches ON and OFF. Moreover, impedance bandwidth, design procedures, and radiation patterns are presented for analysis and explanation of this antenna. The designed antenna operates over the frequency band between 3.1 GHz and 14 GHz (bandwidth of 127.5%), with three notched bands from 4.2 GHz to 6.2 GHz (38.5%), 6.6 GHz to 7.0 GHz (6%), and 12.2 GHz to 14 GHz (13.7%). The antenna is successfully simulated, fabricated, and measured. The results show that it has wide impedance bandwidth, multimodes characteristics, stable gain, and omnidirectional radiation patterns.

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34

Kaur, Sukhdeep, and Rajesh Khanna. "Design and analysis of stair-shape UWB antenna with flowery DGS." International Journal of Microwave and Wireless Technologies 7, no. 1 (March 19, 2014): 53–60. http://dx.doi.org/10.1017/s1759078714000336.

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In this paper, staircase-shaped ultra-wideband (UWB) response is proposed. UWB technology being emerging technology of decade needs development of antennas with small size. This paper proposed the design of antennas for UWB technology with small overall size. The feed used in the proposed design is microstrip feed line. The defected ground structure and staircase patch have been used to enhance bandwidth (BW) of antenna, to miniaturize its shape and to reduce the surface wave. The proposed design is carried out with different types of substrate materials and the best results are considered. The proposed antenna performs well in terms of BW and gain while reduction in size is reported. The proposed antenna can be used for Wireless Personal Area Network.

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35

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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36

Liu, Yakun, Biao Du, Dan Jia, and Yongtao Jia. "Ultra‐wideband radar cross‐section reduction for ring‐shaped microstrip antenna based on characteristic mode analysis." Microwave and Optical Technology Letters 63, no. 5 (February 2, 2021): 1538–46. http://dx.doi.org/10.1002/mop.32791.

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Naiemy, Yahiea Al, Taha Elwi, Lajos Nagy, and Thomas Zwick. "A Systematic Analysis and Design of a High Gain Microstrip Antenna based on a Single EBG Layer." Infocommunications journal, no. 4 (2018): 22–30. http://dx.doi.org/10.36244/icj.2018.4.4.

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In this paper, an Electromagnetic Band Gap (EBG) lens of a single layer is invented to improve the gain of a truncated slotted square patch antenna for the Wi-Fi applications. The proposed EBG lens is structured from 55 planar array. The individual unit cell is basically shaped as a couple of a split concave conductive patch. The proposed EBG struc- ture performance is tested numerically using Finite Integration Technique (FIT) formulations of CSTMWS and analytically using circuit theory. Then, the antenna performance in terms of |S11|, the boresight gain, and radiation patterns are reported and compared to the performance before introducing the EBG lens to identify the significant enhancements. The proposed EBG antenna is simulated numerically inside FIT formulations of CSTMWS time domain (TD) solver. A significant gain enhancement of 11.1 dBi at 2.45 GHz and a front to back ratio (F/B) about 22 dB are achieved after introducing the EBG lens. The antenna performance is validated using a frequency domain (FD) solver based CSTMWS formulations to obtain excellent agreements between the two invoked methods.

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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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Ahsan, M. R., M. T. Islam, M. Habib Ullah, and N. Misran. "Bandwidth Enhancement of a Dual Band Planar Monopole Antenna Using Meandered Microstrip Feeding." Scientific World Journal 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/856504.

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A meandered-microstrip fed circular shaped monopole antenna loaded with vertical slots on a high dielectric material substrate(εr=15)is proposed in this paper. The performance criteria of the proposed antenna have been experimentally verified by fabricating a printed prototype. The experimental results show that the proposed antenna has achieved wider bandwidth with satisfactory gain by introducing meandered-microstrip feeding in assistant of partial ground plane. It is observed that, the −10 dB impedance bandwidth of the proposed antenna at lower band is 44.4% (600 MHz–1 GHz) and at upper band is 28% (2.25 GHz–2.95 GHz). The measured maximum gains of −1.18 dBi and 4.87 dBi with maximum radiation efficiencies have been observed at lower band and upper band, respectively. The antenna configuration and parametric study have been carried out with the help of commercially available computer-aided EM simulator, and a good accordance is perceived in between the simulated and measured results. The analysis of performance criteria and almost consistent radiation pattern make the proposed antenna a suitable candidate for UHF RFID, WiMAX, and WLAN applications.

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Singh, Amandeep, and Surinder Singh. "Miniaturized Wideband Aperture Coupled Microstrip Patch Antenna by Using Inverted U-Slot." International Journal of Antennas and Propagation 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/306942.

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This paper presents a linear polarized aperture coupled inverted U-slot patch antenna with small steps at the edges. The proposed design exhibits wideband behavior, acceptable return loss, VSWR, gain, small size, and less complexity. The theoretical analysis is based on the finite element method (FEM). This design has wide bandwidth, good return loss, VSWR, and radiation characteristics by implanting the inverted U-shaped stepped slots on a single aperture coupled patch. The proposed antenna design shows the measured return loss within acceptable range throughout the band (11.08 GHz–13.25 GHz) and maximum return loss is achieved with proper impedance matching. In this paper, the design considerations are presented and results are validated by the calculated and measured parameters.

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Das, Sudipta, Abshishek Karmakar, Partha P. Sarkar, and Santosh K. Chowdhury. "Design and analysis of a novel open ended T-shaped slot loaded compact multifrequency microstrip patch antenna." Microwave and Optical Technology Letters 56, no. 2 (December 23, 2013): 316–22. http://dx.doi.org/10.1002/mop.28027.

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Camacho-Gomez, Carlos, Rocio Sanchez-Montero, Diego Martínez-Villanueva, Pablo-Luís López-Espí, and Sancho Salcedo-Sanz. "Design of a Multi-Band Microstrip Textile Patch Antenna for LTE and 5G Services with the CRO-SL Ensemble." Applied Sciences 10, no. 3 (February 9, 2020): 1168. http://dx.doi.org/10.3390/app10031168.

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A textile multi-band antenna for LTE and 5G communication services, composed by a rectangular microstrip patch, two concentric annular slots and a U-Shaped slot, is considered in this paper. In the ground plane, three sleeved meanders have been introduced to modify the surface current distribution, leading to a bandwidth improvement. The U-Shaped slot, the dual circular slots, and the meanders shape have been optimized by means of the Coral Reefs Optimization with Substrate Layer algorithm (CRO-SL). This population-based meta-heuristic approach is a kind of ensemble algorithm for optimization (multi-method), in which different search operators are considered within the algorithm. We show that the CRO-SL is able to obtain a robust multi-band textile antenna, including LTE and 5G frequency bands. For the optimization process, the CRO-SL is guided by means of a fitness function obtained after the antenna simulation by a specific simulation software for electromagnetic analysis in the high frequency range.

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Saleem Akram, P., B. T P Madhav, G. Jeevana Sravya, V. Sudhakar, G. Lakshmi Sirisha, Ch Mounika, and M. Venkateswara Rao. "Design and analysis of square shaped serrated patch antenna for ultra-wideband applications with single rejection band." International Journal of Engineering & Technology 7, no. 1.1 (December 21, 2017): 525. http://dx.doi.org/10.14419/ijet.v7i1.1.10160.

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This article studies about the design and analysis of serrated patch antenna with a slot at the ground with microstrip line feed. Comparative analysis has been carried in five and ten serrated patches at top and side edges of the square patch. All design iterations have been carried out using commercially equipped tool HFSS 13. For bandwidth enhancement a slot has been placed at the ground in all iterations in common, later the return loss and gain have been analyzed and compared for all models. Finally, the proposed modal consists of ten serrations at the three edges of the square patch where it works on the ultrawide band region with high gain when compared to all models. The proposed antenna has its applications at WiMAX, WLAN 802.11, LTE 42/43 bands and works in the region of ultrawide band(3.1GHz-10.6GHz).and having rejection at 5-6GHz

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Monirujjaman Khan, Mohammad, Kaisarul Islam, Md Nakib Alam Shovon, Mehedi Masud, Mohammed Baz, and Mohammed A. AlZain. "Various Textiles-Based Comparative Analysis of a Millimeter Wave Miniaturized Novel Antenna Design for Body-Centric Communications." International Journal of Antennas and Propagation 2021 (July 31, 2021): 1–14. http://dx.doi.org/10.1155/2021/2360440.

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A 60 GHz compact and novel shaped microstrip-fed antenna based on a textile substrate for body-centric communications has been proposed in this paper. The antenna has a partial ground, and the textile substrate is made up of 1.5 mm thick 100% polyester. Two rectangular sections from the patch antenna’s radiator were removed to give the antenna a swan-shaped appearance. The antenna was designed and simulated using computer simulation technology (CST) microwave studio software. Simulated results show that, in free-space, the antenna achieved a high bandwidth of 11.6 GHz with a center frequency of 60.01 GHz. With 89.4% radiation efficiency, the maximum gain of the antenna was 8.535 dBi. For the on-body scenario, the antenna was simulated over five different distances from a human torso phantom. At the closest distance from the phantom, the antenna’s gain was 5.27 dBi, while the radiation dropped significantly to 63%. The highest bandwidth of 12.27 GHz was attained at 8 mm, while the lowest bandwidth of 5.012 GHz was attained at 4 mm away from the phantom. Gain and radiation efficiency were comparable to free-space results at the furthest distance. The antenna was also simulated with ten different textile substrates for both free-space and on-body scenarios. Among these ten substrates, denim, tween, and Quartzel fabric had similar performance results as polyester. This design achieved similar performance compared to other 60 GHz textile antennas while being a bit more compact. This antenna will be a promising choice for body-centric communications because of its compact size, textile-based substrate, and excellent on-body performance.

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Ferdous, Nayla, Goh Chin Hock, Saidatul Hamidah A. Hamid, Mohamad Nazri Abdul Raman, Tiong Sieh Kiong, and Mahamod Ismail. "Different Structural Modification Methods of the Patch for Reducing the Size of An Microstrip Patch Antenna." International Journal of Engineering & Technology 7, no. 4.1 (September 12, 2018): 86. http://dx.doi.org/10.14419/ijet.v7i4.1.28231.

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The aim of this paper is to present a simulation and analysis of a rectangular microstrip patch antenna with three different structural modifications to reduce the size of the antenna. We have tried to decrease the size of the antenna by inducing three different shaped slits inside the patch of the antenna. All these models have been designed and analyzed using CST Microwave Studio software. For designing the antennas, Flame Retardant 4 (FR-4 lossy) has been used as the substrate material with a dielectric constant of Ԑr=4.3. The antenna works at the frequency of 2.4 GHz. Performance characteristics such as return loss S11 parameter<-10 dB, directivity, side lobe level, gain and bandwidth of each of the modified designs are obtained and compared with the original design. We were able to reduce the size by maximum 18% and minimum 7% by only inducing the slits, while maintain the performance.

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Arora, Richa, Suyeb Ali Khan, Parwinder Kaur, and Ashish Chand. "Design & Analysis of L-Shaped Fractal Antenna using Microstrip line feed and Inset Cut line feed technique." International Journal of Electronics and Communication Engineering 6, no. 8 (August 25, 2019): 12–17. http://dx.doi.org/10.14445/23488549/ijece-v6i8p102.

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Tsai, Churng-Jou, and Bo-Yuan Tsai. "A U-matched printed antenna for dual-band WiFi applications." International Journal of Microwave and Wireless Technologies 7, no. 5 (July 15, 2014): 551–56. http://dx.doi.org/10.1017/s1759078714000804.

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In this paper, a novel and compact center-fed dual-band WiFi printed antenna is presented. This antenna is designed using two different arms which correspond to the oscillation points of the dual band, and uses parasitic capacitance and U-shaped microstrip line to match and control the necessary bandwidth. The measured frequency bandwidth of this antenna is 2.3–2.61 GHz (310 MHz, 12.7%) at 2 GHz, and the high-frequency bandwidth is 4.82–5.84 GHz (1020 MHz, 19.1%) at 5 GHz, which meets the requirements for applications in global WiFi communication. This PCB antenna is double-sided, long, and narrow; its size is 7 × 45.9 × 1 mm3; it can be applied to wireless access point; and it has a near-omni-directional radiation pattern. The design, analysis, and measured results of this proposed antenna will be presented.

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Das, S., P. P. Sarkar, and S. K. Chowdhury. "Analysis of an open-ended inverted L-shaped slot-loaded microstrip patch antenna for size reduction and multifrequency operation." Journal of Electromagnetic Waves and Applications 29, no. 7 (April 22, 2015): 874–90. http://dx.doi.org/10.1080/09205071.2015.1025914.

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Nishat Toma, Rafia, Imtiaj Ahmmed Shohagh, and Md Nazmul Hasan. "Analysis the effect of Changing Height of the Substrate of Square Shaped Microstrip Patch Antenna on the Performance for 5G Application." International Journal of Wireless and Microwave Technologies 9, no. 3 (May 8, 2019): 33–45. http://dx.doi.org/10.5815/ijwmt.2019.03.04.

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Ghosh, Abhijyoti, Subhradeep Chakraborty, Sudipta Chattopadhyay, Arnab Nandi, and Banani Basu. "Rectangular microstrip antenna with dumbbell shaped defected ground structure for improved cross polarised radiation in wide elevation angle and its theoretical analysis." IET Microwaves, Antennas & Propagation 10, no. 1 (January 2016): 68–78. http://dx.doi.org/10.1049/iet-map.2015.0179.

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