scholarly journals A Slotted Microstrip Antenna with Fractal Design for Surveillance Based Radar Applications in X- Band

2018 ◽  
Vol 7 (3.3) ◽  
pp. 64
Author(s):  
Shailendra Kumar Dhakad ◽  
Umesh Dwivedi ◽  
Sanyog Rawat ◽  
Yash Agarwal ◽  
Anay Joshi
Keyword(s):  
Patch Antenna ◽  
Microstrip Antenna ◽  
Return Loss ◽  
Ground Plane ◽  
Antenna Design ◽  
Operating Characteristics ◽  
Design Elements ◽  
X Band ◽  
Final Design ◽  
Radar Applications

This paper proposes a unique micro-strip patch antenna which has a hexagonal fractal pattern which can mainly be used for ground based surveillance radar applications. To further optimize the functioning of the antenna, multiple slots have been added to the ground plane, and a stepped pattern has been implemented to increase the current density and the gain. A detailed study of the stages of development of the antenna has been made, illustrating the effect that various design elements have on the operating characteristics of the final design. There is specific emphasis on the use of slots in the ground plane. Variations in return loss, gain, VSWR, operating frequency and bandwidth with changes in the design of the ground plane have been documented. The antenna is designed to perform in the X-band, more specifically around 9 GHz, making it well suited for short range search. The final iteration of the antenna design, including various stages of slotting in the ground plane, works at 8.7 GHz, which is well within the X-band range, and has a return loss of around 30 dB.  

scholarly journals Inset Fed Horizontal Wide U-Shaped Slotted Microstrip Antenna for Multi-band Operation

2019 ◽  
Vol 8 (3) ◽  
pp. 6155-6159
Keyword(s):  
Wireless Communication ◽  
Patch Antenna ◽  
High Frequency ◽  
Microstrip Antenna ◽  
Return Loss ◽  
Antenna Design ◽  
Band Width ◽  
High Frequency Structure Simulator ◽  
X Band ◽  
Multi Band

A multi-band horizontal wide U-slotted patch antenna is proposed for wireless communication. Along with the horizontal wide U-slot, the proposed antenna also consists of four truncated corners along with inset feeding for proper antenna matching. The proposed antenna design has three distinct simulated resonating frequencies i.e., 4.7 GHz, 6.8 GHz and 9.8 GHz having -10 dB return loss band width as 111.1 MHz, 245.1 MHz, 998.6 MHz respectively while measured resonating frequencies are observed as 4.75 GHz, 7.1 GHz and 10.2 GHz having -10 dB return loss band width as 539.1 MHz , 410.6 MHz , 2.0834 GHz respectively . The proposed antenna results are examined using High frequency structure simulator tool and then verified through measured results . Thus, the proposed antenna is applicable for frequency bands like S band, C band and X band .

scholarly journals A Novel Coplanar Waveguide-Fed Compact Microstrip Antenna for Future 5G Applications

2020 ◽  
Vol 14 (2) ◽  
pp. 104-110
Author(s):  
Mustafa Berkan Bicer
Keyword(s):  
Microstrip Antenna ◽  
Return Loss ◽  
Coplanar Waveguide ◽  
Ground Plane ◽  
Antenna Design ◽  
Method Of Moment ◽  
Full Wave ◽  
Compact Size ◽  
Compact Microstrip Antenna ◽  
Acs Algorithm

In this study, a coplanar waveguide-fed compact microstrip antenna design for applications operating at higher 5G bands was proposed. The antenna with the compact size of 8 x 12.2 mm2 on FR4 substrate, having the dielectric constant of 4.3 and the height of 1.55 mm, was considered. The dimensions of the radiating patch and ground plane were optimized with the use of artificial cooperative search (ACS) algorithm to provide the desired return loss performance of the designed antenna. The performance analysis was done by using full-wave electromagnetic package programs based on the method of moment (MoM) and the finite integration technique (FIT). The 10 dB bandwidth for return loss results obtained with the use of the computation methods show that the proposed antenna performs well for 5G applications operating in the 24.25 – 27.50 GHz, 26.50 – 29.50 GHz, 27.50 – 28.35 GHz and 37 – 40 GHz frequency bands.

Optimized Design of a Microstrip Patch Antenna for Radar Applications

2018 ◽  
Vol 10 (1) ◽  
Author(s):  
T. Mary Neebha ◽  
M. Nesasudha
Keyword(s):  
Patch Antenna ◽  
Microstrip Antenna ◽  
Return Loss ◽  
Microstrip Antennas ◽  
Optimized Design ◽  
Simulation Design ◽  
Microstrip Patch ◽  
Low Profile ◽  
Radar Applications ◽  
Slotted Waveguide

Radars demand low profile and light weight antenna subsystems. Microstrip antennas possess these characteristics and serve as an alternative to the bulky and heavy weight reflector/slotted waveguide array antennas, thus an ideal choice for radars. Here, a single line fed microstrip antenna with pierced corners is designed. This antenna has improved parameters compared to the conventional square microstrip antenna. The main problem encountered is in designing the patch antenna with optimum values for various antenna parameters. In order to solve this problem, an alternative solution used is Artificial Neural Networks (ANN). The antenna is also optimized using Particle Swarm Optimization (PSO). The parameters considered in all the cases are return loss (S11) and VSWR which was designed using FEKO software. The designed antennas are found to radiate in the C-band, which covers frequencies in the range 5-8GHz, applicable in most of the modern radars. The simulation design is carried out using CADFEKO suite.

Conformable Patch Antenna Array for Energy Harvesting

2009 ◽  
Vol 1205 ◽  
Author(s):  
Akshat C Patel ◽  
Miral P Vaghela ◽  
Hassan Bajwa ◽  
Prabir K Patra
Keyword(s):  
Energy Harvesting ◽  
Antenna Array ◽  
Patch Antenna ◽  
Return Loss ◽  
Ground Plane ◽  
Antenna Design ◽  
Potential Candidate ◽  
Ieee 802.11B ◽  
Ism Band ◽  
Working Distance

AbstractCarbon nanotube (CNT) has emerged as potential candidate for replacement of conventional metal patch in antenna application. The principal objective of our research is to develop nanostructured flexible patch antenna array for multi- frequency operation in industrial, scientific and medical (ISM) band. Patch antenna design using CNT on flexible cotton sheets has been simulated with cotton as a substrate and CNT as conductive patch and ground plane. Due to high conformability and conductivity of CNT all antenna parameters like VSWR, return loss, gain and radiation pattern obtained using FEKO EMSS software meet design criteria. Our simulated antenna design shows a return loss less than -10 dB and VSWR less than 2 at 2.06 GHz, 2.38 GHz and 2.49 GHz. We have also simulated a versatile and conformable antenna design where the whole geometry is rolled up like patch array on cylindrical surface. Conformability to curved surfaces and integration with the structure brings about a unique antenna design. An inset fed square patch array is also proposed for RF energy harvesting operating in the 2.45 GHz ISM band that can harvest and store energy from the surrounding environment. Simulation result shows that dc voltage of 0.215 V can be achieved at -6 dbm received energy level at 2.45 GHz IEEE 802.11b band. This would correspond to potential working distance of 10m.

scholarly journals Design of Transparent Antenna for 5G Wireless Applications

Proceedings ◽  
2020 ◽  
Vol 63 (1) ◽  
pp. 54
Author(s):  
Sanae Azizi ◽  
Laurent Canale ◽  
Saida Ahyoud ◽  
Georges Zissis ◽  
Adel Asselman
Keyword(s):  
Patch Antenna ◽  
Return Loss ◽  
Ground Plane ◽  
Antenna Design ◽  
Impedance Bandwidth ◽  
Light Weight ◽  
Frequency Bandwidth ◽  
Frequency Range ◽  
Wireless Applications ◽  
Compact Size

This paper presents the design of a compact size band patch antenna for 5G wireless communications. This wideband antenna was designed on a glass substrate (12 × 11 × 2 mm3) and is optically transparent and compact. It consists of a radiation patch and a ground plane using AgHT-8 material. The antenna design comprises rectangular shaped branches optimized to attain the wideband characteristics. The calculated impedance bandwidth is 7.7% covering the frequency range of 25 to 27 GHz. A prototype of the antenna and various parameters such as return loss plot, gain plot, radiation pattern plot, and voltage standing wave ratio (VSWR) are presented and discussed. The simulated results of this antenna show that it is well suited for future 5G applications because of its transparency, flexibility, light weight, and wide achievable frequency bandwidth near the millimeter wave frequency band.

scholarly journals E SHAPE MICROSTRIP PATCH ANTENNA WITH RECTANGULAR AND CIRCULAR SLOT

2020 ◽  
Vol 5 (2) ◽  
pp. 188-193 ◽  
Author(s):  
Priyanka Jain ◽  
Raghavendra Sharma ◽  
Vandana Vikas Thakre
Keyword(s):  
Loss Tangent ◽  
Patch Antenna ◽  
Microstrip Antenna ◽  
Return Loss ◽  
Microstrip Patch Antenna ◽  
Simulation Software ◽  
Antenna Design ◽  
Microstrip Patch ◽  
Rectangular Patch

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.

scholarly journals Microstrip Patch Antenna Array Design Anaylsis for 5G Communication Applications

2020 ◽  
Vol 6 (5) ◽  
pp. 1-5
Author(s):  
Rovin Tiwari ◽  
Raghavendra Sharma ◽  
Rahul Dubey
Keyword(s):  
Patch Antenna ◽  
Microstrip Antenna ◽  
Return Loss ◽  
Basic Element ◽  
Microstrip Patch Antenna ◽  
Antenna Design ◽  
Array Design ◽  
Microstrip Patch ◽  
Antenna Performance ◽  
Considerable Range

A research on Antenna design and simulation is a emerging area among researchers. Antenna is a basic element for wireless communication. There are various shaps and types of antenna, which uses in different allpication. Now a days Microstrip patch anteena is very useful in advance electronics devices applications. This paper focused on study based various types of microstrip antenna. Return loss, VSWR, bandwidth, resonant frequency and gain is key parameters to judge antenna performance. Good value of return loss is less than -10dB. Considerable range of VSWR is 1-2. CST microwave studio is a advance software to design and simulation of all types of antenna, filter etc.

scholarly journals Design of CPW-Fed Antenna with Defected Substrate for Wideband Applications

2016 ◽  
Vol 2016 ◽  
pp. 1-10 ◽  
Author(s):  
Amar Sharma ◽  
Puneet Khanna ◽  
Kshitij Shinghal ◽  
Arun Kumar
Keyword(s):  
High Frequency ◽  
Microstrip Antenna ◽  
Return Loss ◽  
Group Delay ◽  
Ground Plane ◽  
Impedance Bandwidth ◽  
Radiation Characteristics ◽  
High Frequency Structure Simulator ◽  
X Band ◽  
Good Agreement

A CPW-fed defected substrate microstrip antenna is proposed. The proposed antenna shows wideband applications by choosing suitable defected crown shaped substrate. Defected substrate also reduces the size of an antenna. The radiating patch of proposed antenna is taken in the form of extended U-shape. The space around the radiator is utilized by extending the ground plane on both sides of radiator. Simulation of proposed antenna is done on Ansoft’s High Frequency Structure Simulator (HFSS v. 14). Measured results are in good agreement with simulated results. The prototype is taken with dimensions 36 mm × 42 mm × 1.6 mm that achieves good return loss, constant group delay, and good radiation characteristics within the entire operating band from 4.5 to 13.5 GHz (9.0 GHz) with 100% impedance bandwidth at 9.0 GHz centre frequency. Thus, the proposed antenna is applicable for C and X band applications.

scholarly journals Bandwidth Enhanced Multislot Rectangular Patch Antenna for UWB and X Band Wireless Applications

2019 ◽  
Vol 8 (4) ◽  
pp. 132-137
Keyword(s):  
Patch Antenna ◽  
High Frequency ◽  
Return Loss ◽  
Ground Plane ◽  
Wide Band ◽  
Cost Effective ◽  
Wireless Applications ◽  
Rectangular Patch ◽  
X Band ◽  
Made In

The main aim of this work is to design a compact Rectangular shaped Multislot patch antenna for Ultra Wide Band (UWB) and X band applications. The proposed antenna has a condensed size of 35*30*1.6mm3 . The antenna consists of a rectangular patch with microstrip line feed etched on FR4-epoxy substrate with dielectric constant of 4.4. To improve the bandwidth, circular slots are made in patch and the ground plane. The proposed antenna achieves wide bandwidth of 12.7GHz (3.3-16 GHz) having four resonance frequency with good return loss and maximum gain of 9.64dBi. The antenna is designed, simulated and analyzed by using HFSS (High Frequency Structural Simulator). The charisma of this design is that it employs single patch that makes it easy to fabricate and cost-effective as well.

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