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Статті в журналах з теми "Wi-MAX APPLICATION"

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Автор: Grafiati

Опубліковано: 11 вересня 2023

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1

S, Sachin Khade, and Badjate S.L. "Crescent Shape MIMO Monopole Antenna for Wi-Fi/Wi-MAX Application." IJIREEICE 3, no. 12 (December 15, 2015): 116–20. http://dx.doi.org/10.17148/ijireeice.2015.31224.

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2

Behera, Subhrakanta, and Debaprasad Barad. "Circular polarized dual-band antenna for WLAN/Wi-MAX application." International Journal of RF and Microwave Computer-Aided Engineering 27, no. 1 (September 13, 2016): e21046. http://dx.doi.org/10.1002/mmce.21046.

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3

Mahfuz, M. M. Hasan, Md Rafiqul Islam, Mohamed Hadi Habaebi, and Norun Abdul Malek. "SEMICIRCULAR SLOT BASED UWB MICROSTRIP PATCH ANTENNA FOR VARIABLE BAND NOTCHED APPLICATIONS." ASEAN Engineering Journal 12, no. 4 (November 29, 2022): 145–49. http://dx.doi.org/10.11113/aej.v12.17793.

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Анотація:

The patch antenna with Ultra-Wide Band (UWB) characteristics is a promising candidate for wireless communication. It is a major research problem to mitigate electromagnetic interference (EMI) with narrowband technologies such as 5G lower band, Wi-MAX, WLAN and satellite band, which are all in the UWB region. This study describes a UWB antenna with variable band rejection that can be used to avoid interference with Wi-MAX and 5G lower band applications. The UWB characteristics of a simple rectangle patch antenna with a faulty ground structure has been designed for operational bandwidth (2.7–13) GHz. A novel method semicircular slot (SCS) at the radiation patch creates a band notched from (3.25–3.80) GHz and (3.4–4) GHz. Variable band rejection between (2.95–4.40) GHz can be achieved by adjusting the “Wa” values. When measured over the band rejection frequency, the return loss (S11) and VSWR values are very close to 0 dB and larger than 2. The simulated and measured results such as return loss, VSWR, 2-D polar pattern and gain have almost similar agreement. The design of the suggested antenna is simple, compact and efficient for Wi-MAX application, this is an ideal UWB antenna with the band notch characteristics.

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4

Mandal, Bappaditya, and Susanta Kr Parui. "A miniaturized wearable button antenna for Wi-Fi and Wi-Max application using transparent acrylic sheet as substrate." Microwave and Optical Technology Letters 57, no. 1 (November 18, 2014): 45–49. http://dx.doi.org/10.1002/mop.28781.

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5

Allbadi, Yousif, Huda Ibrahim Hamd, and Ilham H. Qaddoori. "Radiation effect of M-slot patch antenna for wireless application." Bulletin of Electrical Engineering and Informatics 11, no. 5 (October 1, 2022): 2657–62. http://dx.doi.org/10.11591/eei.v11i5.3801.

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Today, the specific absorption rate has become an important and necessary measurement when designing and implementing any type of antenna. In recent years, various devices have appeared that use different frequencies for wireless communication systems, which are a source of electromagnetic radiation. The M-slot antenna is designed in this paper to operate in multi-band frequencies for wireless communications using computer simulation technology (CST) software 2020. The radiation effect for this antenna is calculated for tissue mass of the human fingertips, which consists of three layers (skin, meat, and bone), over a mass of 1 g and 10 g according to the IEEE and International Commission on Non-Ionizing Radiation Protection (ICNIRP) organization. The results are shown three applications in the communication system, which are Wi-Fi, worldwide interoperability for microwave access (Wi-Max) and, satellite X-band and, the value of specific absorption rate (SAR) increase with increased frequency.

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6

Selvaraj, Dr D. "Circularly Polarized Multi Band Patch Antenna for High Frequency Wi-Fi and Wi-MAX Application Simulated with CST Studio Suite." International Journal for Research in Applied Science and Engineering Technology V, no. IV (March 25, 2017): 83–90. http://dx.doi.org/10.22214/ijraset.2017.4015.

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7

Kumar, Gurpreet, Pankaj Kumar Keshri, and Sunil Basra. "Wideband Patch Antenna Design for Wi-MAX and WLAN Application with Modified Ground Plane." International Journal of Computer Applications 92, no. 1 (April 18, 2014): 21–25. http://dx.doi.org/10.5120/15973-4860.

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8

Kaur, Amandeep, and Praveen Kumar Malik. "Adoption of Micro-Strip Patch Antenna for Wireless Communication." International Journal of Electronics, Communications, and Measurement Engineering 10, no. 1 (January 2021): 1–21. http://dx.doi.org/10.4018/ijecme.2021010101.

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Анотація:

The tremendous growth in wireless technology boosts the need for data transmission at high rates and with fast speed. The invention of wireless data transmission techniques cut down infrastructure costs by omitting the need for wires for long-distance communication. In every wireless application like wi-fi, Bluetooth, wi-max, GPS, mobile communication, satellite communication, etc. needs an antenna for signal transmission using radio wave, so the antenna is highly regarded for this. In this research article, an overview of wireless communication and the need for a microstrip patch antenna is discussed for wireless applications with gain and bandwidth enhancement techniques discovered by researchers till now after an extensive literature survey. Antenna performance is analyzed in terms of antenna parameters like VSWR, bandwidth, return loss, gain, and radiation pattern. This extensive literature survey is done to provide benefit to researchers and to analyze how much antenna efficiency is obtained at different frequencies in terms of the above-mentioned antenna parameters.

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9

Kumar, Sukhbir. "Design and Study of Compact and Wideband Microstrip U-Slot Patch Antenna for Wi-Max Application." IOSR Journal of Electronics and Communication Engineering 5, no. 2 (2013): 45–48. http://dx.doi.org/10.9790/2834-0524548.

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10

Ghatak, Rowdra, C. Goswami, R. K. Mishra, and D. R. Poddar. "A CPW FED planar monopole antenna with modified H shaped slot for WLAN/Wi-MAX application." Microwave and Optical Technology Letters 54, no. 5 (March 13, 2012): 1296–301. http://dx.doi.org/10.1002/mop.26747.

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11

Kumar, Rajkishor, Avinash Chandra, Sreenath Reddy Thummaluru, Mohammad Monirujjaman Khan, and Raghvendra Kumar Chaudhary. "A Miniaturized Dual-Band Short-Ended ZOR Antenna with Backed Ground Plane for Improved Bandwidth and Radiation Efficiency." International Journal of Antennas and Propagation 2023 (February 9, 2023): 1–8. http://dx.doi.org/10.1155/2023/2478853.

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This paper presents a miniaturized planar dual-band short-ended metamaterial antenna with the backed ground plane to improve antenna bandwidths and radiation characteristics. The proposed dual-band metamaterial (MTM) antenna has been made up of the composite right- or left-handed transmission line (CRLH-TL) concept. Here, the backed ground plane has been employed to generate an extra coupling capacitance (CC), which shifts the ZOR frequency in the lower band while also improving ZOR matching and increasing the impedance bandwidth of the higher-order mode. In this proposed MTM antenna, interdigital capacitance (IDC) has been used in place of a simple series gap, which shifts the higher-order impedance bandwidth into a lower frequency band for second-band Wi-MAX applications (3.3–3.7 GHz). The proposed antenna offers a short-ended MTM, and hence the ZOR frequency is controlled by a series of LC lumped parameters. The proposed antenna offers dual-band behavior with measured −10 dB impedance bandwidths of 5.55% and 41.57% at centered frequencies of 2.70 GHz and 4.33 GHz, respectively. The overall electrical size of the designed antenna is 0.225λ0 × 0.144λ0 × 0.0144λ0 at ZOR (f0 = 2.70 GHz), where λ0 is the free space wavelength; therefore, it is applicable for different Wi-MAX application bands (2.5–2.7 GHz/3.3–3.8 GHz). Furthermore, the proposed dual-band MTM antenna provides compactness, low loss, stable gain, and radiation efficiency, and also offers omnidirectional radiation patterns in the E-plane and dipolar type radiation patterns in the H-plane, respectively.

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12

Bethala, Chaitanya, and Manjunatha Kamsali. "Design of Rectangular Dielectric Resonator Antenna for Mobile Wireless Application." Applied Computational Electromagnetics Society 36, no. 5 (June 14, 2021): 568–76. http://dx.doi.org/10.47037/2020.aces.j.360511.

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In this article, a pentaband rectangular DRA is explored and presented. The proposed antenna has a crescent-shaped radiating element with defected ground structure and it is feed by 50‐Ω microstrip line. The RDRA invariably has two similar dielectric resonators made up of RT5870 is positioned on top of the crescent-shaped patch. With the use of a dielectric resonator, the proposed structure has good improvement in impedance bandwidth and gain. The proposed rectangular DRA has penta operating frequency bands with resonant frequency at 1.49 GHz, 2.00 GHz, 2.50 GHz, 5.49 GHz, and 7.75 GHz. The projected structure exhibits the broadside radiation pattern with the maximum gain and directivity of 4 dBi and 4.5 dBi, respectively. The gig of the projected RDRA is validated with the help of simulated results by CST software. The observed results of the proposed antenna indicate that it can be a potential candidate for GPS, PCS, UMTS, ISM, WLAN, Wi-MAX applications.

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13

M. M. Hasan Mahfuz, Md Rafiqul Islam, Mohamed Hadi Habaebi, and Jalel Chebil. "Design of Wearable Textile Patch Antenna Using C-Shape Etching Slot." International Journal of Interactive Mobile Technologies (iJIM) 16, no. 11 (June 7, 2022): 107–20. http://dx.doi.org/10.3991/ijim.v16i11.30101.

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Анотація:

With today's advanced technology microstrip patch antennas are more flexible and stronger than ever before. These antennas can work on various frequencies ranging from low to high for a huge variety of applications including medical, military and quite a few more. This paper presents the textile antennas those are designed for Wi-MAX application with the frequency range of 3.09–3.94 GHz, fifth generation (5G) lower band with the resonant frequency of 4.23–5.65 GHz and UWB 4.62–10.74 GHz applications. This work also introducing a single C-shape etching slot (CSES) in a rectangular patch antenna. The textile substrate (jeans) has been applied to reduce the surface wave losses and design a wearable textile antenna using microstrip line feed technology. Bending effect up to 750 and radiation effect on human tissue as specific absorption rate (SAR) are analyzed using Computer Simulation Technology (CST) tools. Textile antennas for multiple band applications can be created using CSES which can be attributed to cotton, denim cotton and polyester.

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14

Sharma, Kailash, Rajat Mehrotra, Shivendra Kaura, Rama Krishna, and Nagendra Kumar. "Evaluation & Comparison between Plus Sign Slotted and U-shaped Microstrip antennas for Wi-MAX application using IE3D." Journal of Physics: Conference Series 2007, no. 1 (August 1, 2021): 012011. http://dx.doi.org/10.1088/1742-6596/2007/1/012011.

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15

T P Madhav, B., V. Subba Reddy, D. Rajasekar Reddy, K. Ravi Sankar, E. V.S.Harsha Ramanujan, V. V.Surya Prakash, and M. Venkateshwara Rao. "Tree shaped fractal antenna with multiband characteristics." International Journal of Engineering & Technology 7, no. 1.1 (December 21, 2017): 333. http://dx.doi.org/10.14419/ijet.v7i1.1.9847.

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Анотація:

A tree shaped fractal antenna with U shaped slot and W-shaped slot has been designed and analyzed in this article by using ANSYS elec-tromagnetic desktop 17. The proposed antenna is analyzed taking FR4 substrate is taken as the substrate material. The proposed antenna exhibits multiband characteristics (2.75-3.17GHz, 4.1-4.8GHz, 5.1-5.3GHz and 5.4-6.3GHz, 7.21-12.8GHz) in the Ultra-wide band region. The path that is radiating by superposition of the rectangular patches and multiple-band operating frequency is obtained by increasing the U-shapes slots and w-shaped slot on the patch. The improvement in the impedance characteristics between the adjacent frequencies is achieved by using defected ground structure (DGS) on the ground plane as to cover the region of UWB application (3.1-10.6GHz). The proposed antenna works in the applications like Wi-Max, Weather forecasting RADAR systems and WLAN.

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16

Jain, Pawan K., Braj Raj Sharma, Krishan G. Jangid, Sumita Shekhawat, Virender K. Saxena, and Deepak Bhatnagar. "Elliptical shaped wide slot monopole patch antenna with crossed shaped parasitic element for WLAN, Wi‐MAX, and UWB application." Microwave and Optical Technology Letters 62, no. 2 (October 12, 2019): 899–905. http://dx.doi.org/10.1002/mop.32100.

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17

Nej, Sanjukta, Anumoy Ghosh, Sarosh Ahmad, Adnan Ghaffar, and Mousa Hussein. "Compact Quad Band MIMO Antenna Design with Enhanced Gain for Wireless Communications." Sensors 22, no. 19 (September 21, 2022): 7143. http://dx.doi.org/10.3390/s22197143.

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In this paper, a novel microstrip line-fed meander-line-based four-elements quad band Multiple Input and Multiple Output (MIMO) antenna is proposed with a gain enhancement technique. The proposed structure resonates at four bands simultaneously, that is, 1.23, 2.45, 3.5 and 4.9 GHz, which resemble GPS L2, Wi-Fi, Wi-MAX and WLAN wireless application bands, respectively. The unit element is extended to four elements MIMO antenna structure exhibiting isolation of more than 22 dB between the adjacent elements without disturbing the resonant frequencies. In order to enhance the gain, two orthogonal microstrip lines are incorporated between the antenna elements which result in significant gain improvement over all the four resonances. Furthermore, the diversity performance of the MIMO structure is analyzed. The Envelope Co-Relation Coefficient (ECC), Diversity Gain (DG), Channel Capacity Loss (CCL), Mean Effective Gain (MEG) and Multiplexing Efficiency are obtained as 0.003, 10 dB, 0.0025 bps/Hz, −3 dB (almost) and 0.64 (min.), respectively, which are competent and compatible with practical wireless applications. The Total Active Reflection Coefficient (TARC) resembles the characteristic of the individual antenna elements. The layout area of the overall MIMO antenna is 0.33 λ × 0.29 λ, where λ is the free-space wavelength corresponding to the lowest resonance. The advantage of the proposed structure has been assessed by comparing it with previously reported MIMO structures based on number of antenna elements, isolation, gain, CCL and compactness. A prototype of the proposed MIMO structure is fabricated, and the measured results are found to be aligned with the simulated results.

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18

Barad, D., and S. Behera. "Beam Diversity Analysis of Compact Microstrip Antenna with Suspended Superstrate: An Experimental Study." Advanced Electromagnetics 6, no. 3 (October 20, 2017): 5. http://dx.doi.org/10.7716/aem.v6i3.493.

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Анотація:

A multi-functional microstrip compact antenna capable of steering the main beam to eight different directions in the elevation plane is conferred in this study. The compact antenna consists of a driven patch of to bring in the resonance to , for achieving enormous application in european radar service under Wi-MAX band. The conductive layer on the superstrate deflect the beam with an angle corresponding to the position of superstrate on parasitic layer, without considering complex phase shifters and associated circuits. Proper alignment of superstrate results maximum scanning angle ofwithof deflection angle. The directivity of the antenna is enhanced by manipulating the parameters of the superstrate. The gain of the antenna was improved up to and the efficiency is improved up to using engineered superstrate. The full-wave simulation as well as analytical study was done using the IE3D EM simulator.

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19

Kaur, Amanpreet. "Semi Spiral G-shaped dual wideband Microstrip Antenna with Aperture feeding for WLAN/WiMAX/U-NII band applications." International Journal of Microwave and Wireless Technologies 8, no. 6 (April 1, 2015): 931–41. http://dx.doi.org/10.1017/s1759078715000276.

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Анотація:

In this paper, a dual wideband microstrip antenna (MSA) has been presented for wireless local area networks (WLAN), worldwide interoperability for microwave access (Wi MaX) and U-NII band applications. The antenna is designed and simulated using CSTMWS V'10. The main goal of this paper is to get multi-frequency behavior by cutting resonant slots into the patch of the antenna and a wideband antenna behavior using an aperture coupled feeding method. The designed antenna has a semi-spiral G-shaped compact structure and an electromagnetically coupled feeding mechanism (aperture-coupled feeding). It is fabricated on an FR4 substrate with a dielectric constant of 4.4 and a dielectric loss tangent of 0.009. The testing of prototype antenna (to measure S11) is done using a vector network analyzer. The measured results are 80% matching to the simulated ones. The parametric study, simulation results, measured results, and applications of the MSA for WLAN, WiMAX, and the FCC unlicensed 5.2 GHz National Information Infrastructure (U-NII) bands are presented in the paper. The antenna shows a simulated gain of about 4.5 dB at the three wireless application bands.

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20

Subbaraj, Sangeetha, and Anirudh E R. "Design of Compact Dual Reconfigurable Antenna for WiMAX/WLAN Applications." JOURNAL OF HIGH-FREQUENCY COMMUNICATION TECHNOLOGIES 01, no. 02 (June 26, 2023): 64–72. http://dx.doi.org/10.58399/kdhg4316.

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In this manuscript, a compact dual reconfigurable monopole antenna is proposed. It operates at various frequencies depending upon the condition of the six operating conditions. The designed antenna exhibits dual reconfigurability, that is, frequency as well as pattern reconfigurability. This is done to increase the robustness of the proposed design. There are six lumped circuits in which each circuit consisting of two resistors, two capacitors and one diode. The antenna operates on the following resonant frequencies: 1.7 GHz, 2.45 GHz, 3.5 GHz and 5.2 GHz falling inside the application, such as WLAN and Wi-MAX ranges. This antenna due to its dual reconfigurability can be utilized in many areas, such as cognitive radio systems, mobile phones, etc. The reconfigurable antenna performance is examined under different states of diodes on the basis of the antenna parameters, such as return loss, radiation pattern and gain. The designed antenna exhibits dual reconfigurability; that is, frequency as well as pattern reconfigurability. The performance of the reconfigurable antenna under different states of diodes are examined.

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21

Bhaskar, Manju, and Thomaskutty Mathew. "Microstrip multi-stopband filter based on tree fractal slotted resonator." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 5 (October 1, 2019): 3657. http://dx.doi.org/10.11591/ijece.v9i5.pp3657-3663.

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This paper presents the design and development of a new microstrip multi-stopband filter based on tree fractal slotted resonator. A single square patch with tree fractal slots of different iterations are employed for realizing dual stopband and tri-stopband filters. The tree fractal slotted resonators are generated from conventional square patch using an iterative tree fractal generator method. First, second and third level iterations of the tree fractal slot resonator are used to design dual and tri-stopband filters respectively. The first level iteration introduced for the tree fractal slot realizes dual bands at 2.64 GHz and 3.61 GHz while the second level iteration provides better stopband rejection and insertion loss at 2.57 GHz and 3.56 GHz. The tri-stopband filter generates three resonance frequencies at 1.53 GHz, 2.53 GHz and 3.54 GHz at third level iteration. By varying the slot length and width of the tree fractal slot, the resonant frequencies can be adjusted and stopbands of the proposed filter can be tuned for the desired unwanted frequency to be rejected. The proposed narrowband filters finds application in removing the interference of GPS and Wi-Max narrowband signals from the allotted bands of other wireless communication systems

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22

Kvasnikov, V. P., D. M. Kvashuk, and М. О. Kataieva. "DEVELOPMENT OF INFORMATION-MEASURING DIAGNOSIS SYSTEM WORKING CHARACTERISTICS OF ELECTRIC MOTORS." Key title: Zbìrnik naukovih pracʹ Odesʹkoï deržavnoï akademìï tehnìčnogo regulûvannâ ta âkostì, no. 1(18) (2021): 42–52. http://dx.doi.org/10.32684/2412-5288-2021-1-18-42-52.

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Анотація:

The article explores a method for constructing an information-measuring system for diagnosing the performance characteristics of electric motors. The structure of such systems, features of signal transmission and methods of its transformation, as well as software for visualization and data processing are considered. Algorithmic and software developments are highlighted that provide a full cycle of processing the information parliaments of electric motors, from the transformation of a physical quantity into a unified signal, to data visualization. The structure of microcontrollers, which were used in the development of the measuring system, is investigated. In particular, the performance of the ESP8266 microcontroller, which was used to transfer data received from measuring sensors to a server application. The method of visualization of the obtained data using web-server technologies is highlighted. The proposed system was tested using a DC electric motor of the RS-775 series. The error of the measuring sensors used in the proposed system is determined by calculating the sample standard deviation from the expected results. Particular attention is paid to the development of server software in terms of processing signal parameters and visualizing its changes, the possibility of archiving arrays of received data, the possibility of changing the operating modes of the electric motor and ways of displaying information. The performance characteristics of a prototype device for measuring the torque of an electric motor based on an inductive sensor used as part of the proposed measuring system have been studied. The article presents the possibilities of using an information-measuring system in combination with additional measuring devices that can be connected to it using a local network, thus forming a distributed sensor network of measuring devices interconnected via a radio channel. The expediency of building such networks for remote objects, where unified (WI-FI, WI-MAX, GSM) data transmission technologies can be used, is substantiated.

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23

Kharche, Shilpa, Gopi Shrikanth Reddy, Biswajeet Mukherjee, Rajiv Gupta, and Jayanta Mukherjee. "MIMO ANTENNA FOR BLUETOOTH, WI-FI, WI-MAX AND UWB APPLICATIONS." Progress In Electromagnetics Research C 52 (2014): 53–62. http://dx.doi.org/10.2528/pierc14041105.

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24

Sura, Penchala Reddy, and S. Narayana Reddy. "Dual-band Bisected Psi Antenna for 3G, Wi-Fi, WLAN and Wi-MAX Applications." Journal of Telecommunications and Information Technology 1 (March 31, 2020): 56–61. http://dx.doi.org/10.26636/jtit.2020.135519.

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Анотація:

This paper presents an inexpensive and simple dual-band bisected psi antenna for 3G, Wi-Fi, WLAN, and WiMAX applications is presented. The antenna comprises a bisected psi-shaped patch on a low-price FR4 substrate with a cropped ground plane on the other side, and is fed by a 50 Ω microstrip line. It operates at two distinct frequency bands of 1.87–2.76 GHz and 5.16–5.75 GHz with |S11|≤ -10 dB

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25

Benmahmoud, Fateh, Pierre Lemaitre-Auger, and Smail Tedjni. "FULLY METALLIC DUAL-BAND 3-D WIRE ANTENNA FOR WI-FI AND WI-MAX APPLICATIONS." Progress In Electromagnetics Research C 108 (2021): 147–58. http://dx.doi.org/10.2528/pierc20111602.

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26

Benmahmoud, Fateh, Pierre Lemaitre-Auger, and Smail Tedjni. "FULLY METALLIC DUAL-BAND 3-D WIRE ANTENNA FOR WI-FI AND WI-MAX APPLICATIONS." Progress In Electromagnetics Research C 108 (2021): 147–58. http://dx.doi.org/10.2528/pierc20111602.

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27

Li, Long-Kun, Wen-Jiao Liao, and Shao-En Hsu. "A Miniatured WLAN/Wi-MAX Chip Antenna for Mobile Phone Applications." PIERS Online 6, no. 4 (2010): 345–49. http://dx.doi.org/10.2529/piers090904050827.

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28

Kumar, Pramod, Santanu Dwari, Utkarsh, and Jitendra Kumar. "Design of Biodegradable Quadruple-shaped DRA for WLAN/Wi-Max applications." Journal of Microwaves, Optoelectronics and Electromagnetic Applications 16, no. 3 (September 2017): 867–80. http://dx.doi.org/10.1590/2179-10742017v16i31019.

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29

Gupta, Akanksha, D. K. Srivastava, and J. P. Saini. "Modified e-slotted patch antenna for WLAN/Wi-Max satellite applications." TELKOMNIKA (Telecommunication Computing Electronics and Control) 18, no. 1 (February 1, 2020): 258. http://dx.doi.org/10.12928/telkomnika.v18i1.12959.

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30

Yadav, Sanjeev, Chandra Prakash Jain, and Mahendra Mohan Sharma. "Polarization independent dual-bandpass frequency selective surface for Wi-Max applications." International Journal of RF and Microwave Computer-Aided Engineering 28, no. 6 (March 12, 2018): e21278. http://dx.doi.org/10.1002/mmce.21278.

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31

Abed, A. T., and M. S. J. Singh. "Slot antenna single layer fed by step impedance strip line for Wi‐Fi and Wi‐Max applications." Electronics Letters 52, no. 14 (July 2016): 1196–98. http://dx.doi.org/10.1049/el.2016.1080.

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32

Jangid, K. G., P. K. Jain, B. R. Sharma, V. K. Saxena, V. S. Kulhar, and D. Bhatnagar. "Ring Slotted Circularly Polarized U-Shaped Printed Monopole Antenna for Various Wireless Applications." Advanced Electromagnetics 6, no. 1 (March 11, 2017): 70. http://dx.doi.org/10.7716/aem.v6i1.460.

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In this communication, the design and performance of strip line feed U-shaped printed monopole antenna for Bluetooth/WI-Max/WLAN communications systems is reported. Proposed monopole antenna has an eight shaped slot on the patch and an eight shaped ring structure in the ground plane with metallic reflector just beneath the radiating element. The CST Microwave Studio 2014 is used for the simulation analysis of antennas while measurements are performed by applying Vector Network Analyzer. This radiating structure provides triple broad impedance bandwidths i.e. 265MHz (in 2.280 GHz to 2.545 GHz frequency range), 116 MHz (in 2.660 GHz to 2.776 GHz frequency range) and 2.12 GHz (in 3.83 GHz to 5.956 GHz frequency range), wider 3dB axial ratio bandwidth 1.33 GHz (in 4.69GHz to 6.02GHz range), flat gain (with maximum gain close to 5.56 (dBi) and good radiation patterns in the desired frequency range. This antenna may be a useful structure for 2.45GHz Bluetooth communication band as well as in WLAN and Wi-Max communications bands.

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33

Anu, Arunodayam Radhakrishnan, Parambil Abdulla, Puthenveetil Muhammed Jasmine, and Thulaseedharan Kodiyattuvila Rekha. "CIRCULARLY POLARIZED SINGLE FEED HEMISPHERICAL DIELECTRIC RESONATOR ANTENNA FOR WI-MAX APPLICATIONS." Progress In Electromagnetics Research M 92 (2020): 21–30. http://dx.doi.org/10.2528/pierm20022401.

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34

De, Arnab, Bappadittya Roy, and Anup Kumar Bhattacharjee. "Dual-Notched Monopole Antenna Using DGS for WLAN and Wi-MAX Applications." Journal of Circuits, Systems and Computers 28, no. 11 (October 2019): 1950189. http://dx.doi.org/10.1142/s0218126619501895.

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In this paper, a wideband printed polygon-shaped monopole antenna has been designed using microstrip line feeding technique which provides dual-notch band characteristics (2.98–3.19[Formula: see text]GHz) and (3.62–5.00[Formula: see text]GHz) by the use of slots geometry in both the patch and the ground plane. The results of the antenna have been compared both with and without slots in both planes. The initial antenna without DGS and slots in the patch was made to work in the frequency range from 2.56–5.98[Formula: see text]GHz having impedance bandwidth of about 80.09%. The proposed antenna can be made usable for multi-band applications such as WLAN (2.4/3.2/5.2/5.8[Formula: see text]GHz) and Wi-MAX (3.5 and 5.5[Formula: see text]GHz) applications providing fractional bandwidth (FBW) of 85.36% (2.33–5.80[Formula: see text]GHz) and maximum peak gain of 5.65[Formula: see text]dBi at 3.50[Formula: see text]GHz. The value of return loss obtained is about 53.36[Formula: see text]dB at 2.56[Formula: see text]GHz. Prototype of the final antenna is fabricated and the results are verified with the simulated ones.

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35

Pathak, Deepika, Sudhir Kumar Sharma, and Vivek Singh Kushwah. "Dual-Band Linearly Polarized Integrated Dielectric Resonator Antenna for Wi-MAX Applications." Wireless Personal Communications 111, no. 1 (October 15, 2019): 235–43. http://dx.doi.org/10.1007/s11277-019-06854-5.

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36

Nirmal, Pratima C., Anil Nandgaonkar, Sanjay Nalbalwar, and Rajiv K. Gupta. "Compact wideband MIMO antenna for 4G WI-MAX, WLAN and UWB applications." AEU - International Journal of Electronics and Communications 99 (February 2019): 284–92. http://dx.doi.org/10.1016/j.aeue.2018.12.008.

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37

Ray, A., M. Kahar, and P. P. Sarkar. "A bee-hive frequency selective surface for Wi-Max and GPS applications." Indian Journal of Physics 87, no. 10 (June 1, 2013): 1011–15. http://dx.doi.org/10.1007/s12648-013-0329-x.

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38

Bankey, Vinay, and N. Anvesh Kumar. "Design of a YAGI-UDA Antenna with Gain and Bandwidth Enhancement for Wi-Fi and Wi-Max Applications." International Journal of Antennas 2, no. 1 (January 31, 2016): 01–14. http://dx.doi.org/10.5121/jant.2016.2101.

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39

Meher, Priya Ranjan, Bikash Ranjan Behera, and Sanjeev Kumar Mishra. "A compact circularly polarized cubic DRA with unit-step feed for Bluetooth/ISM/Wi-Fi/Wi-MAX applications." AEU - International Journal of Electronics and Communications 128 (January 2021): 153521. http://dx.doi.org/10.1016/j.aeue.2020.153521.

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40

Kumar, Pawan, Shabana Urooj, and Fadwa Alrowais. "Design of Quad-Port MIMO/Diversity Antenna with Triple-Band Elimination Characteristics for Super-Wideband Applications." Sensors 20, no. 3 (January 22, 2020): 624. http://dx.doi.org/10.3390/s20030624.

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A compact, low-profile, coplanar waveguide (CPW)-fed quad-port multiple-input–multiple-output (MIMO)/diversity antenna with triple band-notched (Wi-MAX, WLAN, and X-band) characteristics is proposed for super-wideband (SWB) applications. The proposed design contains four similar truncated–semi-elliptical–self-complementary (TSESC) radiating patches, which are excited through tapered CPW feed lines. A complementary slot matching the radiating patch is introduced in the ground plane of the truncated semi-elliptical antenna element to obtain SWB. The designed MIMO/diversity antenna displays a bandwidth ratio of 31:1 and impedance bandwidth (|S11| ≤ − 10 dB) of 1.3–40 GHz. In addition, a complementary split-ring resonator (CSRR) is implanted in the resonating patch to eliminate WLAN (5.5 GHz) and X-band (8.5 GHz) signals from SWB. Further, an L-shaped slit is used to remove Wi-MAX (3.5 GHz) band interferences. The MIMO antenna prototype is fabricated, and a good agreement is achieved between the simulated and experimental outcomes.

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41

Reddy, V. V., and N. V. S. N. Sarma. "Poly Fractal Boundary Circularly Polarised Microstrip Antenna for WLAN/Wi-MAX Wireless Applications." Defence Science Journal 65, no. 5 (September 11, 2015): 379. http://dx.doi.org/10.14429/dsj.65.8905.

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<p class="MsoNormal" style="text-align: justify;">The design of circularly polarised multiband poly fractal boundary microstrip antenna is proposed and experimentally studied. Initially the two orthogonal sides of the square patch are replaced with different fractal curves for circular polarisation (CP) radiation. Along the x and y axes, Minkowski and Koch fractal curves are employed. A 45° rotated poly fractal slot is embedded at the center of the fractal patch for triband CP operation. The indentation depths and indentation angles of the Minkowski and Koch fractal curves are optimised for better CP emission. The inserted fractal slot redistributes the current elements on the patch for tri band CP radiation. The measured 3-dB axial ratio bandwidths of the proposed antenna at 2.4 GHz, 3.4 GHz, and 5.8 GHz are 1.53 per cent, 0.81 per cent, and 1.62 per cent respectively, making it an able candidate for WLAN and Wi-MAX wireless applications.</p>

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42

Sandeep Duvvada, Ram, Prabakaran Narayanaswamy, Madhav Phani, and Narayana Lakshmi. "Circularly Polarized Jute Textile Antenna for Wi-MAX, WLAN and ISM Band Sensing Applications." Applied Computational Electromagnetics Society 35, no. 12 (February 15, 2021): 1493–99. http://dx.doi.org/10.47037/2020.aces.j.351206.

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This study exhibits a circularly polarized (CP) conformal antenna actualized by using a jute textile as a substrate. Its sensing 3.5, 4.9, and 5.8 GHz in the Wi-MAX, WLAN, and ISM radio bands. The topology of the proposed antenna has relied on a curvature structure as the prime radiating element, and ground structure whirled in contradictive arrangement to the patch. Conductivity was materialized by applying copper paint through the traditional painting approach, i.e., brush painting. This fabrication method allows attaining the conformability with minimized size, lightweight, and low sensitivity to the environment without weakening the radiating performance. These attributes allowed the jute textile antenna appropriately for the incorporation in wearable devices for body-driven applications. The electromagnetic properties of the projected jute textile antenna accomplished in simulations were confirmed through the measurement of the antenna in an anechoic chamber. The CP jute textile antenna shows a peak gain of 4.93, 8.86, and 10.07dBi at 3.5, 4.9, and 5.8 GHz (WiMAX, WLAN, and ISM).

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43

P.M.Hadalgi, Jagadevi Gudda,. "Compact Novel Design of Slit Loaded Microstrip Antenna for WLAN and Wi-MAX Applications." International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering 04, no. 03 (March 20, 2015): 1525–30. http://dx.doi.org/10.15662/ijareeie.2015.0403034.

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44

Sree, G. Naga Jyothi, and N. Suman. "Design of two-port flower shaped MIMO antenna suppression characteristics with Wi-MAX applications." Journal of Instrumentation 15, no. 04 (April 22, 2020): P04018. http://dx.doi.org/10.1088/1748-0221/15/04/p04018.

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45

Singh, Prem Pal, Pankaj Kumar Goswami, Sudhir Kumar Sharma, and Garima Goswami. "FREQUENCY RECONFIGURABLE MULTIBAND ANTENNA FOR IOT APPLICATIONS IN WLAN, WI-MAX, AND C-BAND." Progress In Electromagnetics Research C 102 (2020): 149–62. http://dx.doi.org/10.2528/pierc20022503.

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46

Dheyaa Khaleel, Aymen, Abd Al-razak T. Rahem, Mohd Fais bin Mansor, and Chandan Kumar Chakrabarty. "Design Tri-band Rectangular Patch Antenna for Wi-Fi, Wi-Max and WLAN in Military Band Applications with Radiation Pattern Suppression." Research Journal of Applied Sciences, Engineering and Technology 10, no. 12 (August 25, 2015): 1445–48. http://dx.doi.org/10.19026/rjaset.10.1847.

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47

Tiwari, Praveen, Praveen Kumar Malik, and Amandeep Kaur. "Bandwidth Enhancement Technique for Microstrip Antenna for Higher X-Band and Ku-Band for Next Generation Wi-Fi and Wi-max Applications." Journal of Physics: Conference Series 2327, no. 1 (August 1, 2022): 012046. http://dx.doi.org/10.1088/1742-6596/2327/1/012046.

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Abstract This paper presents the novel design and fabrication of a square shaped array antenna for transmission in the higher X band and Ku-band. The influence of the constituent square’s size factor over the signal quality with the squares positioned in various array configurations is recorded and reported using a discretized design approach. The design was fabricated and tested to meet the needed standards after being optimized using the antenna simulator software. A novel DC shorting approach has been devised and reported to improve antenna performance. Major antenna performance parameters are being observed and found in accord with the literature.

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48

Kumari, Sonali, Yogendra Kumar Awasthi, and Dipali Bansal. "A Miniaturized Circularly Polarized Multiband Antenna for Wi-Max, C-band & X-band Applications." Progress In Electromagnetics Research C 125 (2022): 117–31. http://dx.doi.org/10.2528/pierc22082501.

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49

Nirmal, Pratima Chabbilal, Anil B. Nandgaonkar, Sanjay Nalbalwar, and Rajiv Kumar Gupta. "A COMPACT DUAL BAND MIMO ANTENNA WITH IMPROVED ISOLATION FOR WI-MAX AND WLAN APPLICATIONS." Progress In Electromagnetics Research M 68 (2018): 69–77. http://dx.doi.org/10.2528/pierm18033104.

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50

Yadav, Sanjeev, Mahendra Mohan Sharma, and Rajesh Singh. "A POLARIZATION INSENSITIVE TRI-BAND BANDPASS FREQUENCY SELECTIVE SURFACE FOR WI-MAX AND WLAN APPLICATIONS." Progress In Electromagnetics Research Letters 101 (2021): 127–36. http://dx.doi.org/10.2528/pierl21091101.

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