Ranjan Mishra | University of petroleum & energy studies (original) (raw)

Papers by Ranjan Mishra

Journal of physics, Nov 1, 2022

This paper presents the methodology, development, and implementation of the double concentric rin... more This paper presents the methodology, development, and implementation of the double concentric ring band-pass frequency selective surface (FSS) based spatial filters. The filters are designed to improve the active responses of the 5G antennas by incorporating them as superstrate or as substrates. A comparable circuit model is used to anticipate the resonant frequency bands required for predicting the FSS band-pass behavior. The designed spatial filter is composed of a combination of periodic circular loop structures engraved on both sides of a thin dielectric substrate. The proposed design of a double circular loop FSS exhibits band-pass characteristics for n77, n78, and n79 bands of the mid-band 5G spectrum (ranging from 3 GHz - 6 GHz) and provides insensitivity to polarization angles of the incident plane wave. The computed, simulated, and measured findings are all depicting a similar pattern that validates our structure.

Computers, materials & continua, 2023

Frequency selective surfaces (FSSs) play an important role in wireless systems as these can be us... more Frequency selective surfaces (FSSs) play an important role in wireless systems as these can be used as filters, in isolating the unwanted radiation, in microstrip patch antennas for improving the performance of these antennas and in other 5G applications. The analysis and design of the double concentric ring frequency selective surface (DCRFSS) is presented in this research. In the sub-6 GHz 5G FR1 spectrum, a computational synthesis technique for creating DCRFSS based spatial filters is proposed. The analytical tools presented in this study can be used to gain a better understanding of filtering processes and for constructing the spatial filters. Variation of the loop sizes, angles of incidence, and polarization of the concentric rings are the factors which influence the transmission coefficient as per the thorough investigation performed in this paper. A novel synthesis approach based on mathematical equations that may be used to determine the physical parameters of DCRFSSbased spatial filters is presented. The proposed synthesis technique is validated by comparing results from high frequency structure simulator (HFSS), Ansys electronic desktop circuit editor, and an experimental setup. Furthermore, the findings acquired from a unit cell are expanded to a 2 × 2 array, which shows identical performance and therefore proves its stability.

EAI Endorsed Trans. Energy Web, 2021

Futuristic communication in sub 6-GHz demands a compact antenna with multi-band resonance. This w... more Futuristic communication in sub 6-GHz demands a compact antenna with multi-band resonance. This would be necessary to cater to the need in LTE, Wireless Fidelity, and 5G applications. A compact microstrip inverted slotted antenna for the future sub 6 -GHz wireless and mobile applications employs an important role in the present scenario. In this investigation, a slotted antenna especially for multi-band mobile applications in sub 6-GHz is presented. The slotted rectangular patch is matched with a microstrip offset feed line and stub matching. The performance of the single-layer slotted antenna is significantly improved using a slotted SRR structure. The designed antenna shows good reflections co-efficient at 3 GHz and 4 GHz with good return loss. The antenna exhibits impedance bandwidth up to 200 MHz and peak gain up to 4 dBi. It finds its application at the precise frequency for mobile wireless communication in LTE and sub 6-GHz for future 5G applications.

Sensors, Jul 12, 2023

This article is an open access article distributed under the terms and conditions of the Creative... more This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY

Intelligent Communication, Control and Devices, Nov 27, 2019

In the original version of the book, the following corrections have been made: The original versi... more In the original version of the book, the following corrections have been made: The original version of the chapter "Simple Way of Tuning Centralized PI Controller for an Interacting Pilot Plant Distillation Column" was inadvertently published without the institute name in the author's affiliation, which has now been included. The original version of chapter "Necessary Precautions in Cognitive Tutoring System" was inadvertently published prematurely, before incorporation of the final corrections, which has now been updated. The erratum chapters and book have been updated with the changes.

2022 7th International Conference on Communication and Electronics Systems (ICCES)

Wireless Communications and Mobile Computing

In general, it is necessary to evaluate the required bandwidth in each segment of the 5G ultraden... more In general, it is necessary to evaluate the required bandwidth in each segment of the 5G ultradense network. After doing so, it is necessary to decide on the choice of OSI network and connection layer technologies. The most suitable models of network equipment are determined according to the technologies so selected. This question is not easy because performance depends directly on the performance of the hardware and also on the performance, software, and hardware configuration. These channel capabilities are the criteria for evaluating the performance of channels and equipment on 5G networks. In this paper, a model is proposed to increase the channel capacity of the 5G ultradense network. It is designed to increase the bandwidth usage of the channel and increase its functionality. Its main special feature is that its energy and power consumption is very low compared to other methods. This method is also ideal for sending more data with less power.

An astonishing growth in the area of broadband communication has been opened a access in the wide... more An astonishing growth in the area of broadband communication has been opened a access in the wide extent research and application of microstrip antenna. The adaptability of microstrip antennas added new aspect to it. The research article presents an introduction and overview of the Microstrip antenna. The features, advantages, limitations and the different types of feeding techniques are also discussed. The methods for the modelling of the microstrip antenna are also conversed. It also presents idea about the classification of antennas.

Coverage and capacity are significant issues in the planning process for cellular mobile networks... more Coverage and capacity are significant issues in the planning process for cellular mobile networks. Scarcity of the frequency band is acting as a bottleneck to the tremendous advancement in the field of mobile communication. Nowadays Cellular Technology is being invariably employed in mobile communication to maximize the spectral efficiency. Due to the frequency reuse, there comes the problem of Co-channel interference into picture, due to which we have to restrict the frequency reuse factor. This paper gives an analysis of co-channel interference under all possible propagation environment condition with all possible values of cells in a cluster.

International Journal of Innovative Technology and Exploring Engineering, 2019

Tunnel Field Effect Transistor (TFET) is gated reverse biased P-I-N diode structured semiconducto... more Tunnel Field Effect Transistor (TFET) is gated reverse biased P-I-N diode structured semiconductor device and can be considered as a reliable low power device. TCAD (Sentaurus 2D) simulations for various Gate metal work function (4.1-4.3 eV) shows that its ON-current (ION) arises from quantum mechanical band-to-band tunneling (B2BT) and observed that threshold Voltage (VT) for TFET decreases with increase in Gate metal work function. The thermionic emission of electrons in MOSFET limits the sub-threshold swing (SS) by 60 mV/dec whereas TFET has potential for low SS ie. SS<60 mV/dec. TCAD Simulations confirmed that that the Gate – Drain capacitance (Cgd) strongly follows the Gate capacitance (Cgg) all over the voltage range (0-0.9V) which increases the miller capacitance for TFET. It is investigated that for TFET, the injection of carriers into the channel is through B2BT which effectively couples the Gate charge to the Drain. A look up table based Verilog-A model is generated for...

Wireless local area network [1] has become most promising and successful technology in recent yea... more Wireless local area network [1] has become most promising and successful technology in recent years. It provides free wireless connectivity between two or more devices by using a wireless communication method. It is also known as Wi-Fi standards: IEEE 802.11b, IEEE 802.11a and 802.llg etc. WiMAX is another wireless technology that is used in wireless metropolitan area network and wireless wide area network. WiMAX standards are IEEE 802.16–2004, IEEE 802.16e etc. In this paper we analyzed Bit Error Rate for Wi-Fi and WiMAX standards by using an appropriate coding scheme. Also we compare the coding BER results with non-coding BER results. The MATLAB coding is used to calculate the bit error rate for different extensions of IEEE 802.11 and IEEE 802.16e system model that minimize the number of communication error. Here we have used different modulation schemes [2] and OFDM technique to obtain higher data rate and achieve good BER.

International Journal of Engineering and Advanced Technology, 2019

An electrical small microstrip patch antenna with guided SIW slotted configuration is investigate... more An electrical small microstrip patch antenna with guided SIW slotted configuration is investigated in this paper. In the proposed design the primary antenna patch includes a slotted SRR configuration which later converted into concentric SRR slotted configuration. Here the antenna patch with concentric slot contributes dual-band resonance. The impedance matching at both the resonance is improved with guided SIW slotted structure. The proposed antenna patch incorporates a slot inside the concentric slot to correct the pattern asymmetric. The proposed antenna shows resonance at 28 GHz and 37.5GHz for mmWave 5G applications. The proposed antenna is implemented with a physical dimensions of 4.7mm ×2.7mm × 0.8mm.

Heliyon

While targeting the sixth generation (6G) wireless communication which incorporates mainly the In... more While targeting the sixth generation (6G) wireless communication which incorporates mainly the Internet of Things (IoT), the Internet of Vehicles (IoV) becomes a vital component to be implemented. A vehicular antenna is designed by using the modified design of the Vivaldi antenna that can cover all the frequency bands for the longterm evolution (LTE) and the mid-band fifth-generation (5G) wireless systems (ranging from 3.3 GHz to 6.5 GHz). The proposed design is optimized by analyzing the effect of the variation in the dimensions of the antenna, changing the position of the taper, the rectangular slot dimensions and the diameter of the circular slot etc. The presented automotive antenna operates at four frequency bands ranging from 3.62 GHz-4.03 GHz (410 MHz), 4.17 GHz-5.38 GHz (1210 MHz), 5.57 GHz-6.16 GHz (590 MHz) and from 6.23 GHz-6.64 GHz (410 MHz) with the minimum reflection coefficient of-39 dB,-39.06 dB,-50.42 dB and-12.45 dB, respectively. The proposed antenna offers the high gain of 7.6 dB, 6.7 dB, 9.3 dB and 7.4 dB for the four bands of the operating spectrum, respectively. The analysis of the reflection and radiation characteristics of the antenna when placed on the vehicle confirms the suitability of an antenna for the smart vehicle to vehicle communications.

Advances in Intelligent Systems and Computing, 2018

The need for the development of wideband microstrip antenna has been very well recognized. The pr... more The need for the development of wideband microstrip antenna has been very well recognized. The present-day researchers are focused on developing novel design of microstrip antenna which would provide a good wideband. In this paper, the geometry of a microstrip antenna has taken to be square and feeding method also changed which is responsible for broadband. The antenna is fed with microstrip line by keeping a stub at source junction. It is done to improve the impendence bandwidth by the width of the structure of feedline adjustment is performed. This paper presents the study of a compact square antenna to operate in the frequency range of X-band from 8 to 12 GHz. The prototype planer antenna exhibits an overall wideband of bandwidth 560 MHz with a good reflection coefficient of −25 dB. This type of antenna is very useful in many broadband applications in X-band.

2016 International Conference on Recent Advances and Innovations in Engineering (ICRAIE), 2016

A stupendous growth in the area of Information technology is the spread of wireless wide band app... more A stupendous growth in the area of Information technology is the spread of wireless wide band applications. The versatility of Microstrip patch antennas added new dimension to it. It's light weight and suitability for integration with microwave integrated circuits along with the simplicity of the structures marks it well suitable for low-cost manufacturing. All these accounts for the wide spread use of microstrip patch antennas in various wireless communication applications. In this paper a wide band rectangular shaped single-patch microstrip patch antenna with circular slot is proposed. Circular shaped slot over the rectangular patch is combined together to expand the bandwidth of the antenna. A compact size of 19 mm by 23 mm with duroid material is chosen for design. Optimization using HFSS simulation software is applied to optimize the structure of the antenna. The effect of circular slot is compared without the slot structure. It is observed that the bandwidth expands up to 0.7 GHz with a uniform radiation pattern.

Applied Computational Electromagnetics Society, 2021

This paper presents the design, optimization, fabrication, and measurement of the compact high ga... more This paper presents the design, optimization, fabrication, and measurement of the compact high gain microstrip antenna with a split ring resonator and set of inverted-F slots along with a matching stub for sub-6 GHz5G applications. In this investigation, different iterations are visualized by incorporating inverted F slots, a split ring resonator, and a matching stub in the transmission line. The advantages of each incorporated structure are analyzed, and a hybrid antenna consisting of the combination is proposed as a final antenna configuration with the optimum results. The proposed final design attains compactness and multi-band operation. Impedance matching is improved by using the stub matched technique at the feed line. The designed antenna shows the resonances at precisely 2.1 GHz, 3.3 GHz, and 4.1GHz. The proposed antenna is suitable for mobile cellular communication such as the LTE band (2.1 GHz), n78 band (3.3 GHz), and n77 band (4.1 GHz) of 5G bands. The gain retrieved from each band attains more than 5 dB value.

Journal of Intelligent Systems, 2021

Frequency selective surface (FSS)-based intelligent spatial filters are capturing the eyes of the... more Frequency selective surface (FSS)-based intelligent spatial filters are capturing the eyes of the researchers by offering a dynamic behavior when exposed to the electromagnetic radiations. In this manuscript, a concept of creating complementary structures which stems from Babinet’s principle is illustrated. A hybrid complementary pair of FSS (CPFSS) comprising double square loop FSS (DSLFSS) and double square slot FSS (DSSFSS) on either side of the dielectric substrate is proposed. DSLFSS offers band-pass behavior and can be placed as a superstrate, whereas DSSFSS behaves as a band-stop intelligent spatial filter that blocks the radiations falling on it, thus making them applicable for use as a substrate. The technique utilized for analyzing DSLFSS and DSSFSS structures is based on the equivalent circuit modeling and transmission line methodology. The CPFSS structure offers the design simplicity, hence, suitable for placing them with the printed patch antenna radiators in wireless n...

2022 IEEE 11th International Conference on Communication Systems and Network Technologies (CSNT)