About Me |
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Harish Chandra Mohanta received M.Tech degree in Electronics and Communication Engineering from IIT Kharagpur and the PhD degree in Electrical and Electronics Engineering from Deakin University, Australia. He was a lecturer in the Department of Electronics and Communication Engineering in Centurion Institute of Technology. He was an Assistant Professor in the Department of Electronics and Communication Engineering at Centurion University of Technology and Management up to September 2021. He has qualified for various National levels entrance examinations such as GATE and UGC-NET. He profoundly developed a Research interest in the area of Antenna Design since the early days of his post-graduate studies (M.Tech.) at IIT Kharagpur and has continued his research in the particular domain. After aligning with his interests and exploring the multitude of opportunities available, he was selected on basis of a scholarship scheme to research “development of a miniaturized rectenna for wireless energy harvesting and wireless power transfer” while pursuing his doctoral degree at Deakin University, Australia. Recently he developed an interest in AI and Machine Learning which persuade him to explore related sources for study and research. He has more than 13 years of teaching experience in the field of communication systems, embedded system design and antenna design. He has produced 38 research papers in national and international journals, authored 4 books and 5 book chapters. He has published 7 patents. He has supervised 2 masters by research completions and is currently supervising 3 PhD students. He is the Chair Professor in the Department of ECE to build a Center of Excellence for bio-electronics. This offer was made with the concurrence of the MoU between Gram Tarang Technologies Pvt. Ltd. and Dassault La foundation (Hologram based --around 80 lakhs) signed on 31/12/2018. He also participated and successfully completed the Professional Development Programme on ‘Implementation of NEP2020 for University and College Teachers’ held from 1220 June, 2023. He completed a professional diploma in Embedded System Design from Cranes Software International Limited, Cranes Varsity, Bangalore. He has also participated in the Continuing Education Program and has successfully completed the AI Foundation Course co-organised by QpiAI India Pvt. Ltd. and Centre for Continuing Education, Indian Institute of Science, Bengaluru, India.
Dr. Harish Chandra Mohanta is currently serving as a Professor-cum-HOD, ECE department at Centurion University of Technology and Management, Jatni campus, Odisha, India. He is also deignated as CEO of Smart Engineering Applications Research Center, Centurion University of Technology and Management, Odisha, India. |
Sl. No. | Title | Issuer |
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1 | NEW AGE TEACHERS | President, Centurion University of Technology and Management |
2 | Best career coordinator in Career Counselling & Placement | CEO, CUTM |
3 | UGC NET Qualified for Assistant Professor in Electronic Science | UGC |
4 | Gate examination 2014 Qualified | IIT Kharagpur |
5 | Deakin India Research Initiative (DIRI) scholarship | Deakin University, Australia |
6 | HOD, Department of Electronics and Communication Engineering | Centurion University of Technology and Management |
7 | Doctor of Philosophy Degree | Deakin University, Australia |
8 | Chair Professor to build a Centre of Excellence for bio-electronics. | Gram Tarang Technologies Pvt. Ltd. and Dassault La foundation |
9 | Best Coordinator in Career Counseling and Placement | Centurion University of Technology and Management |
In this paper, a frequency and polarization reconfigurable antenna
composed of a planar slot antenna, a metallic reflector and a
metasurface have been proposed. The double slot structure is used in
the planar slot antenna to extend the bandwidth of the antenna.
The relative distance between the metasurface and the planar slot
antenna can be adjusted to achieve the frequency and polarization
reconfigurability of the antenna. The gain of the antenna is also
improved due to the presence of metasurface on the top of the
substrate. To verify this, a frequency and polarization reconfigurable
antenna is designed using HFSS (high frequency structure simulator).
The simulated result shows that the frequency and polarization
reconfiguration can be achieved from 7.2GHz to 11.5GHz. The
polarization of the antenna can be reconfigured from linear to left
hand circular polarization (LHCP) and right hand circular polarization
(RHCP). The maximum gain achieved by the proposed frequency and
polarization antenna is 15.5dB.
This paper presents a
compacted patch antenna which resonates at 2.27 THz. Rogers RT/duroid 6010 substrate of length 100 µm, the width of 100 µm and thickness of 10 µm was utilized
to design the antenna. The radius of the circular shape (patch) is 40 µm. The
miniaturized compactness of the designed antenna at terahertz frequency is
suitable for the application of wireless body area network (WBAN). The antenna
was simulated using high-frequency structure simulator (HFSS) and its radiation
pattern, gain, return loss have been analyzed for communication link quality of
the channel. To assess the link quality, signal to noise ratio (SNR) and bit
error rate (BER) matrices are being calculated. Path loss, the absorption
coefficient of the human model at terahertz frequency is being determined. The
simulation results demonstrate that the antenna will offer great link quality at
terahertz frequency. The SNR computed for the proposed antenna is high and BER
is low
Image compression techniques are presented in this
paper which can be used for storage and transmission of digital
lossy images. It is mostly important in both multimedia and
medical field to store huge database and data transfer. Medical
images are used for diagnosis purposes. So, vector quantization is
a novel method for lossy image compression that includes
codebook design, encoding and decoding stages. Here, we have
applied different lossy compression techniques like VQ-LBG
(Vector quantization- Linde, Buzo and Gray algorithm),
DWT-MSVQ (Discrete wavelet transform-Multistage Vector
quantization), FCM (Fuzzy c-means clustering) and GIFP-FCM
(Generalized improved fuzzy partitions-FCM) methods on
different medical images to measure the qualities of compression.
GIFP-FCM is an extension of classical FCM and IFP-FCM
(Improved fuzzy partitions FCM) algorithm with a purpose to
reward hard membership degree. The presentation is assessed
based on the effectiveness of grouping output. In this method, a
new objective function is reformulated and minimized so that
there is a smooth transition from fuzzy to crisp mode. It is fast,
easy to implement and has rapid convergence. Thus, the obtained
results show that GIFP-FCM algorithm gives better PSNR
performance, high CR (compression ratio), less MSE (Mean
square error) and less distortion as compared to other above used
methods indicating better image compression.
In this paper design of a low-profile frequency reconfigurable metasurface (FRMS) antenna has been proposed.
The proposed FRMS antenna consists of a simple rectangular patch antenna (source antenna) having circular
ground plane of radius 20 mm and a circular metasurfaceof same radius. The metasurface is palced directly
over the patch to make the FRMS antenna very compact with a total thickness of 3.048 mm. The metasurface
consists of rectangular loop unit cells arranged uniformly along the vertical and horizontal directions.
Simulation result shows that the antenna can be tuned by rotating the metasurface around the center of the
patch antenna. Rotation of metasurface results a change in relative permittivity and relative permeability of the
structure and the resonant frequency of the FRMS antenna. The proposed antenna has been designed on Ticonic
RF-35 substrate with a dielectric constant of 3.5 and thickness of 1.524 mm. The antenna parameters like gain,
return loss, radiation pattern and efficiency are analysed using HFSS. The proposed antenna resonantsfrom
4.5to 6 GHz. The antenna is suitable for various wireless communicationapplications such as WLAN band
(5.180- 5.825 GHz), ISM band (5.725-5.875 GHz) and so on.
The comparative analysis of the rectangular and
circular patch antenna parameters is presented in this paper. To
make it acceptable for various wireless applications the selected
bandwidth is 10 GHz. HFSS is a software development tool
which is used for design and the study of the performance of the
presented antennas. The study gives the idea that the rectangular
patch antenna exhibits higher return loss than the return loss of
circular patch antenna whereas the rectangular patch antenna
has an improved VSWR value of 1.18 than that of the circular
patch with VSWR 1.27. Also the circular patch antenna offers
about 8% higher radio bandwidth and nearly 2.0dB less side
lobe power than that of the rectangular patch antenna. With rise
in the dielectric constant of the substrate material there is a
diminish structure of the patch antenna which leads to an
accommodation in bandwidth, impedance and efficiency of the
antenna. The simulated antennas are used in the field of 3G
communications due to the resonance frequency. The delineate
study about the dimensions such as width, length, feed point
location, ground dimension for each patch antenna of different
dielectric material are calculated and compared and the result
shows about the contrastive analysis of different patch antenna
performance parameter like VSWR, Reflection coefficient,
Bandwidth, Impedance, Mismatch loss, Directivity, Gain and
Field are analysed and compared. The paper includes the
detailed analysis of various tables, graphs.
A thin planar absorbing
structure of Jerusalem cross slot (JCS) is designed, which has the virtue of
wider bandwidth and broader adjustment range. The absorption frequency band can
be flexibility adjusted by slot parameters. The influences of various structure
parameters of JCS, incident wave polarization and variation of incident angles
on the absorption characteristics are analyzed to provide guidance on the
theoretical design for practical application. The validation and effectiveness
of the proposed design was simulated using high frequency structure simulator (HFSS).
The simulation result shows that zero
point of reflection phase is at 9.7 GHz and the relative bandwidth is about
15.5%. The improved design is characterized by its wider bandwidth and
adjustable by slot parameters. The influences of various structure parameters
of JCS, including incident wave polarization and variation of incident angles
on the absorption properties, are analyzed to provide guidance on the
theoretical design for practical application. The loaded resistance can be
adjusted to obtain the optimum absorbing performance.
With the growing technology, we need more and more security and authority for that we have designed an authorised car parking system where we will allow those cars who have any authorised RFID means radio frequency identification system. Here each car will have an authorised RFID card and in front of the gate, there will be a reader who reads the RFID card and give the signal to the microcontroller (Arduino UNO). Authorised car’s RFID will be saved in our Arduino database. We have designed each parking slot with an ultrasonic sensor which gives a signal to Arduino whether parking slot is occupied or available, then Arduino will give a signal to open the gate if and only parking slot is available and the RFID of the car match with Arduino database. We have also arranged a 16*2 LCD display in front of the gate to show parking status and any necessary messages. There will be a servo motor to open and close the gate. We have embedded our project with IoT using raspberry pi. We will get all the information about the parking whether the car is parked or not in an html page. which is designed to know the status of parking away from the concerned parking place.
Recently, educational computer animation has turned out to be one of the most elegant tools for presenting multimedia materials for learners, and its significance in helping to understand and remember information has greatly increased since the advent of powerful graphics-oriented
computers. In this paper, we have presented a study of various graphic image animation techniques and
their probable usage in educational learning.
This paper includes an analysis of the key techniques used in the construction of microwave filters.The
foundation of much of a basic microwave-filter theory has been demonstrated in the field of lumpedelement
filters, in fact used directly for many applications at microwave frequencies up to 18 GHz.Many
types of Microwave Filters are addressed, particularly for beginners to the field, with the objective of
finding the most useful references.
This paper describes simulation study of a printed microstrip slot antenna.It is a quarter wavelength
monopole slot cut in the edge of the finite ground plane and fed by a microstrip transmission cable.It
provides a broad impedance bandwidth customizable by variance of its parameters such as relative
permittivity and substrate thickness, width and position of the slot in the ground plane, and
measurements of the feed and ground plane.The ground plane is thin, 20 mm × 10 mm, around the size
less than of a Laptop wireless card.At the center frequency of 5.5 GHz, its 50 mm width is about π/2 and
significantly affects slot impedance and bandwidth.An impedance bandwidth of up to 70% (S11 = -10
dB) is achieved by individually optimizing parameters.
For dynamic behaviour modelling and simulation and the interaction between systems of many fields of
engineering, such as mechanical, electrical, thermodynamic, hydraulic, pneumatic, thermal and control
systems, Dymola is offering new and revolutionary solutions.Three separate efforts have been made in
three different institutions in recent years to provide electronic circuit modelling and simulation
capability as an object-oriented general-purpose environment for the design of physical structures in
Modelica.There is no hard-coding domain knowledge to use in Modelica software.Not physics, but only
mathematics, understands Modelica.Accordingly, all subject information shall be included in the
layout.Recent software and symbolic algorithms have enabled the complete electronic circuit simulator to
be implemented in Modelica without sacrificing the runtime for the resulting simulation.In this process,
the improvement of the transparency and ease with which the code is maintained is significantly
improved, and the flexibility to combine the electronic models with the mechanical and thermal ones
dramatically improves. Analog inverter circuit using BJT, comparator , and noninverting amplifier using
OPAMP were designed in Modelica modeling of Dymola software and simulation results were obtained.
A flower shaped patch over the substrate is proposed in this article. This antenna act as a dipole
antenna.It consists of a substrate, a radiator, a ground and a port. When we give signal to the wave port
the antenna works. This proposed antenna main a compact structure. The simulated ones, giving a wide
impedance bandwidth of 1.68 to 2.75 GHz, a high port-to-port insulation (better than 37 dB) within the
operating frequency bandwidth, and a good radiation pattern. In fact, the suggested antenna retains a
compact configuration of 0.78 λ0 × 0.78 λ0 0.18λ0. This antenna is designed for 2G/3G / LTE base station as
this antenna is built with a compact framework so.
This paper presents a design of meander line broadband small antenna which is proposed for Wi-Fi
applications. This antenna consists of a substrate called FR4 having relative dielectric constant 4.4, then a
microstrip feedline on the ground plane and a meander line on the patch. It is designed to operate at 2.4
GHz and its whole size is 8.5 mm×8.5 mm×1.524mm. This is one of the smallest antennas available at this
frequency. In this design, we used a single layer substrate ad easily simulated by high frequency
structure simulator (HFSS). The simulated S11 plot shows that return loss is than -10 dB. The simulated
radiation pattern and 3D polar gain show a positive gain which satisfies the good condition of an
antenna design. The antenna performance is studied numerically. It can be a good candidate for future
compact wireless devices that require a compact and simple antenna structure with a good performance.
In the current CMOS sub nanoscale regime hetero channel MOSFETs are one of the capable candidates in high switching speed applications. Out of these group III-V channel based MOSFETs becomes very popular due to the high mobility and high saturation velocity as results it offers high drive with better electrostatic gate control over the channel. In this work a new laterally InGaAs/InAs/InGaAs composite channel layer with metal step gate has been proposed. Due to the formation of composite layer near the channel enhances the electrostatic control along the channel, as results, there is an improvement in On resistance. From the simulation, it is observed that stepped composite (CS) MOSFET offers improvement of performance as compared to conventional MOSFET (CMOSFET).
The lower supply voltage is responsible for reducing the power consumption of MOSFETs. However, the intensification in off-state leakage current, that raises the overall power consumption, makes it difficult to continue the trend. So, sharp subthreshold slope (SS) FETs have been rigorously studied. The tunneling FET (TFET) is the most promising one to minimize drain bias. Due to its high tunneling resistance, TFETs suffer from relatively low drivability, however. TFET has been investigated using III-V semiconductor hetero-junction structure in order to improve drivability. For the realization of the Schottky-suitable silicide/Si construction wall TFETs, defect-free silicide at the boundary with an extensive choice of controllability of the wall is required. A new silicide forming method using metal/silicon slim sheet stack annealing is introduced to meet the demand and its applicability to FETs has been demonstrated.
By designing DG MOSFET structure and/or materials for better electrostatics and carrier transport, the intrinsic efficiency of a transistor can be improved. It is, however, probable, and typically the case, that extrinsic factors restrict the overall system performance. The two primary quantities that cause a real transistor to turn more slowly and dissipate greater power from the strictly intrinsic system than expected are parasitic capacitance and resistance. The ways in which these extrinsic effects degrade output are therefore very important to understand. In order to mitigate the effect of parasitic components, the insights thus gained can be used during system design.
Keywords: Scaling MOSFET, Ultrathin body, Electrostatic gate.
In this book chapter, we provide a split configuration of an ultra-wideband (UWB) directional antenna for multidirectional array functions. The UWB with coplanar waveguige (CPW) prototype was originally designed as a basic antenna for obtaining a directional radiation pattern that remains essentially the same through the circuit board. This basic antenna is connected to a similar antenna in a four-element cross configuration to perform an array function. The proposed structure provides a high intermediate element isolation of more than 10 dB with a voltage to wavelength ratio (VSWR) of less than 2 in the 7.5 GHz to 10.7 GHz range. The transmission characteristics and range of the proposed antenna are analyzed. A good match between simulation and measurement indicates that the proposed antenna is suitable for UWB beam applications. The simulated directional UWB antenna is combined with similar antennas printed on both sides of the substrate in a symmetrical cross-array to achieve multivariate pattern array performance. The cross-array is designed so that the antenna elements do not come into direct contact with the antenna.
ICORT 2021
An insulin pump delivers a pre-programmed amount of insulin to a diabetic patient in a continuous manner. Such continuous insulin therapy is known to offer a significant advantage in better blood glucose regulation over multiple daily insulin shots, in addition to being less painful and operationally convenient. However, taking daily insulin shots is a common practice among many diabetic patients. This is primarily because insulin pumps available in the market are highly expensive and hence non-affordable for a large segment of the global patients in general and Indian patients in particular. In view of this, the main aim of this project is to design and develop a functional insulin pump prototype with significant cost reduction. Despite being cost effective, however, it will retain all advantages of commercially available insulin pumps, such as: (i) accuracy of insulin delivery, (ii) safety and reliability, (iii) light weight and compactness, (iv) convenience of usage, etc. To cut-down the overall development time cycle, the design will be made compatible to commercially available bio-compatible components of the pump, namely the reservoir, infusion set, and cannula, which also happen to be non-expensive. On the other hand, several key components of the pump, such as the gear drive, printed circuit board, display system, casing, etc. will be indigenously designed and developed, which will be responsible to bring down the cost significantly. The control system logic responsible for the operation of various hardware components will also be developed and implemented inhouse. Note that the pump will also have blue-tooth communication capability and enough memory so that (i) it can be driven by an external app from a smartphone and/or (ii) an artificial pancreas system logic and be embedded into it. However, the development of such an App and/or an artificial pancreas system will be taken up later in subsequent phases and will not be within the scope of the current project.
Glaucoma is a term used to describe a group of diseases of the eye, characterized by progressive and irreversible damage to the optic nerve and which, if untreated, may lead to blindness. Glaucoma is the second most common cause of blindness worldwide. In India, glaucoma is the leading cause of irreversible blindness with at least 12 million people affected and nearly 1.2 million people blind from the disease. More than 90 percent of cases of glaucoma remain undiagnosed in the community. Glaucoma prevalence increases with age. Early diagnosis and treatment are the best way to prevent vision loss from glaucoma.
Dual probe development for cancer detection and cancer surgery. PI of this project is Dr. Srikanta Sahu