(2021). Is India going to be a major hub of semiconductor chip manufacturing? IETE Technical Review: Vol. 38, No. 3, pp. 279-281.

Data preprocessing is an essential task to prepare suitable target datasets to apply statistical and data mining algorithms. It has become one of the complex segment in Web usage mining due to the massive and unstructured nature of Web server log. The data preprocessing segment in Web usage mining is divided into several phases such as data fusion, data cleaning, user identification, session identification

Quantum-dot cellular automata (QCA) design forms a cellular alternative to the conventional CMOS design approach. In the present paper, a novel design of five input majority gate is proposed. The proposed design enjoys the features of no rotated cells, single-layer structure, and robust design. A comparative analysis of the majority gate designs reported by various researchers in the literature is

In the pay-per-click online advertisement model, fraudulent publishers’ presence is rare than that of genuine publishers. This high-class imbalance between fraudulent and genuine publishers poses a challenge for the accurate classification of fraudsters due to the bias of automated learning models towards the outnumbered class. In this work, an empirical evaluation of significant popular data sampling

Dopingless tunnel field effect transistor (DL-TFET) exhibits a great potential for lowering the sub-threshold current and hence increases the ION/IOFF ratio because of its electrostatically doped source and drain. An analytical model for double gate dopingless tunnel field transistor (DG-DL TFET) is developed, for the first time, by calculating the source and drain work-function-induced doping and

We assess the estimation accuracy for two static baselines (350 m and 8 km) with NavIC L5 double-differenced (DD) pseudoranges using weighted and recursive least-square techniques for a day. Additionally, we analyze the 350-m baseline for a span of 9 months. The mean of the 3D residual sum-of-squares (RSS) error for the 350-m baseline using least-square error is 2.72 m with 1σ of 2.08 m for the 24-h

(2021). What is in store in the March-April 2021 issue of IETE Technical Review? IETE Technical Review: Vol. 38, No. 2, pp. 195-196.

ABSTRACT At present, real estate markets hold and contribute a fair share of the Gross Domestic Product (GDP) of any country. The real estate transactions generate revenue in stamp duties, which goes directly into the government kitty. However, this suffers from land document forgery and fraudulent activities due to a lack of an efficient, distributed, and completely digital system. This paper proposes

In this paper, an analytical channel potential model of an experimental nano-scaled triple gate MOSFET has been developed that is valid in the subthreshold regime. The potential model is derived by applying the Schwarz–Christoffel transformation method and conformal mapping techniques. The model is derived by superposing the influence of top gate on the potential barrier with the 2D potential solution

Efficient work of grids with the maximum potential utilization, together with supply and modern consumer satisfaction, as well as unpredictability of distributed energy sources, represents the challenge of successful load management. This paper proposes the load management framework and analyses state-of-the-art research activities from the area of load management in smart grids. It addresses three

In this article, a technique for cooperative spectrum sensing (CSS) using the Extreme Learning Machine (ELM) is proposed. ELMs are feedforward neural networks where the hidden layer parameters are not tuned, and only output weights are optimized. The simulations were done for both the fading and non-fading environments. Different combination of activation function and weight initialization scheme is

In the last couple of years, massive growth has been seen in the Internet of Things (IoT). It is being adopted by all the application areas worldwide and playing a vital role in making smart environments. In IoT based paradigms, millions of sensors and intelligent devices are linked with each other and produce a massive volume of data. For data computation and analysis, we need computing resources

The dramatic increase in the capabilities and availability of autonomous ground and aerial tools introduces safety and security challenges, particularly in protecting strategic infrastructures. In this context, the interception of multiple mobile threats, aiming to invade restricted spaces of such infrastructures is an important topic. This paper focuses on the problem of path planning for intercepting

Previous studies are focused on the cogeneration unit commitment problem (CUCP) to find optimum operating cost with satisfaction of operation constraints. However, the profit and environment emission are not considered, the obtained CUCP problem is not enough to address the multi-objective profit based CUCP (MO-PBCUCP). The goal is to find optimum heat and power generation schedule of cogeneration

A new type of cascading of Mach–Zehnder interferometer (MZI) structure is presented based on the electro-optic effect for simultaneous multiple operations of different logic families operation in this paper. Unit MZI as a switch to cascading-structure is presented, starting from the illustration of material characteristics to logic realization. It includes some exciting techniques to implement the

Scattering identification ambiguity has significant effects in the polarimetric SAR (Synthetic Aperture Radar) decomposition and can be reduced by discriminating the permanent and time-varying features using PolInSAR (Polarimetric SAR Interferometry) coherence. PolInSAR based polarimetric decomposition using cosine-squared distribution (PCSD decomposition) is an algorithm that demonstrates the incorporation

In this paper, we study the interference-unaware receiver (IUR), which does not need the knowledge of interference or the process for precoding at the transmitter, for the interference-limited multiple-input-multiple-output (MIMO) system. We show that if the number of receive antennas is smaller than a threshold, then the interference terms dominate the MIMO channel capacity and the achievable rates

Over the last decade, time–frequency masking techniques have been explored to achieve substantial improvement of speech intelligibility in noise. Binary or soft mask can be applied to the noisy speech for speech separation. Binary masking approach retains the time–frequency (T–F) units of the noise-corrupted signal where the target speech is stronger than the interfering noise, and removes the T–F

(2021). Artificial Intelligence Oriented Information Hiding and Multimedia Forensics. IETE Technical Review: Vol. 38, Artificial Intelligence Oriented Information Hiding and Multimedia Forensics, pp. 1-4.

(2021). Golden Reviewers List for IETE TR 2021. IETE Technical Review: Vol. 38, Artificial Intelligence Oriented Information Hiding and Multimedia Forensics, pp. 195-198.

ABSTRACT This paper presents a new DC to AC Modular Multilevel Converter (MMC) topology. The proposed topology requires lesser number of arms than the traditional MMC to generate equal magnitude and excellent quality of output AC voltage. The positive arm of the proposed converter is having submodules similar to traditional MMC. In contrast, passive tuned LC filters are present in the place of the

Internet of Things (IoT) enables the connection of physical objects to the internet for exchanging information. Due to the massive number in IoT devices, cellular traffic is increasing exponentially in the wireless networks. IoT devices require low latency, high reliability and massive connectivity. Fifth Generation (5G) networks are expected to provide promising solutions to meet the demands and improve

The Wireless Sensor Networks (WSNs) are mostly used for applications which hardly have human interaction and WSN is always known for its limited-energy issue. The wireless sensor nodes are equipped with an in-built power supply and have limited energy to complete their assigned tasks in WSNs. Therefore, for WSNs designing energy-efficient protocols is always been a challenging task for researchers

Multiport converters (MPCs) play an important role in increasing the demand for multi-input and multi-output applications. Further, it gives the economic operation and improves the system performance over the multiple single converters in multi-input multi-output (MIMO). Multi-input converters (MICs) have high regard for the integration of independent voltage sources utilized in Electric vehicles (EVs)

ABSTRACT The paper presents a loaded planar monopole ultra-wideband (UWB) antenna exhibiting quad-band notched characteristics. Triple U-shaped slots over the metallic radiating conductor and a meander line electromagnetic bandgap (EBG) structure are loaded near the feed line in the proposed design. These three U-shaped slots are responsible for generating triple band notches at 2.80 GHz (2.53–3.15 GHz

In recent times, the Internet of Things (IoT) becomes one of the most popular innovations in the field of information and Communication Technology (ICT), and it connects billions or even trillions of devices. Meanwhile, security and privacy stand as a vital issue in the IoT environment, which generates the need for an efficient authentication protocol. In this context, we proposed a lightweight authentication

ABSTRACT The paper presents a loaded planar monopole ultra-wideband (UWB) antenna exhibiting quad-band notched characteristics. Triple U-shaped slots over the metallic radiating conductor and a meander line electromagnetic bandgap (EBG) structure are loaded near the feed line in the proposed design. These three U-shaped slots are responsible for generating triple band notches at 2.80 GHz (2.53–3.15 GHz

(2020). Efforts of reviewers and editors need to be recognized for their service to the research community and scientific development. IETE Technical Review: Vol. 37, No. 6, pp. 551-552.

(2020). Call for Nomination Main Awards. IETE Technical Review: Vol. 37, No. 6, pp. 651-655.

(2020). Call for Nominations-2021 for IETE Corporate Award. IETE Technical Review: Vol. 37, No. 6, pp. 656-658.

ABSTRACT The distributed temperature sensing (DTS) system is useful for detecting its surrounding temperature. The fiber optic DTS system offers a number of unique features for which it find useful in a number of potential applications, such as oil & gas pipeline monitoring, high power cables monitoring, transformers monitoring, fire detection, nuclear plant monitoring, etc. In this paper, we have

This paper provides a comprehensive review of the acoustic method used for partial discharge (PD) localization in power transformer. The paper outlines the partial discharge mechanism, basic principle and properties of the acoustic emission (AE), advantages and limitations of the acoustic method compared to the electrical method, and different AE based PD localization techniques along with their algorithms

In recent times, impedance networks have been developed to overcome the limitations and problems of traditional VSI / CSI and various traditional dc-dc converter networks. From then on, impedance source converters replace the entire range of power electronic converters: dc-dc (converters), dc-ac (inverters), ac-dc (rectifiers), ac-ac frequency regulators (matrix converters). In addition, the impedance

Simultaneous spectral and spatial information of any object investigated through electromagnetic radiation leads to the concept of spectral imaging technique (SIT): in terahertz (THz) range, because of limited opacity of various dielectrics, this technique gets further accentuated by “through-barrier” SIT. In this review, we revisit the fundamental physics, important domains of applications and issues

In this article, a novel configuration of ring dielectric resonator-based multiple input multiple output antenna (MIMO) is proposed with a beam tilting characteristic. To achieve the beam tilting and low correlation among the far-field patterns, the conducting plate is positioned in between the antenna elements. Dual resonating frequencies are obtained by exciting the ring DRA electromagnetically with

The flight subsystems of aerospace vehicle must be introduced in Hardware In Loop Simulation (HILS) testbed prior to actual field tests to evaluate their performance in real-time scenario. This helps greatly in the design and development of vehicle subsystems. The HILS results are suffering due to unwanted diverging oscillations, which limit the HILS testbed effectiveness in evaluating the actual performance

ABSTRACT A novel high-K dielectric trench SOI LDMOS with an interface highly doped N buried layer (HKHN SOI LDMOS) is proposed. The devices are characterized with a high-K dielectric material (HK) introduced in the drift region and a high doping concentration of N existed below the HK trench (HKHN). First, the HK material causes assistant depletion in the N-drift region to increase doping concentration

In this paper, the generalized and new cascaded modular multilevel inverter topology is presented that is designed with reduced power electronic components. Each module comprises ten power switches (2 bi-directional and 8 unidirectional) and five DC sources. Lower voltage rating switches are employed for this topology due to its remarkable advantage of generating both positive and negative voltage

ABSTRACT This article presents the study of trapping effects in AlGaN/GaN high electron mobility transistors (HEMTs). Conventional methods like temperature-dependent capacitance-voltage (CV) and pulsed-IV (PIV) have been employed to quantify the traps present in the device layers. Apparent threshold voltage (VTH) instability as well as lag in the drain current after pulsing are evident. The kink in

Muga silk nanoparticles (MSNP) in the size range of 28–142 nm were synthesized via microwave-assisted radiolysis method. Interestingly, these nanoparticles acquire cuboidal shape and exhibit photoresponsive property, under white light illumination of power 56 mW/cm2 in a photo-electrochemical cell, when fabricated in MSNP/ZnO/ITO/PET flexible device structure. The device was found to be active under

In this paper, silicon-based Asymmetric-Elevated-Source-Drain Tunnel Field-Effect Transistor (AESD-TFET), for gate lengths (LGs), viz. 70, 45, 32, 22, and 13 nm, is investigated for the first time to find its suitability in sub-400-mV low-stand-by-power (LSTP) digital operation, followed by finding its reliability and stability against the adverse effect of Positive Bias Temperature Instability (PBTI)

ABSTRACT In the current review, recent advances in the field of surface plasmon resonance (SPR)-based plastic optical fiber (POF) sensors are summarized. The review focused on the different types of sensors and their uses. The performance of POF sensors with different geometries, i.e. U-bent, D-shaped, side-polished, and tapered geometries, is explored using SPR/localized SPR (LSPR) techniques in biochemical

Cybersecurity is essential to protect the tremendous increase in data stored on servers and its transmission on networks. The techniques used to detect threats and preserve data need to be updated regularly to prevent advanced attacks in the future. The information transferred over a network is converted into unintelligible data using codes and cyphers to achieve data integrity and confidentiality

The primary goal of integrating and deploying microgrids in India is to facilitate economic development, increase energy access, enhance energy security, and reduce environmental pollutions. Microgrids have the potential to provide solutions to the long-standing energy problems being faced by developing countries like Iran, India, Nigeria, etc. In this research paper, a review on different generation

Cross-Lingual Information Retrieval (CLIR) provides flexibility to users to query in their regional (source) languages regardless the target documents languages. CLIR uses trending translation techniques Statistical Machine Translation (SMT) and Neural Machine Translation (NMT). SMT and NMT achieve good results for foreign languages but not for Indian languages due to non-absoluteness of the parallel

(2020). What is in store in the September-October 2020 issue of IETE Technical Review? IETE Technical Review: Vol. 37, No. 5, pp. 439-440.

(2020). Correction. IETE Technical Review: Vol. 37, No. 5, pp. (iii)-(iii).

(2020). Notice TITR 37-5. IETE Technical Review: Vol. 37, No. 5, pp. 549-549.

ABSTRACT The removal of irrelevant and insignificant features from the high-dimensional dataset is a necessary prerequisite for the exploration of information. Meta-heuristic optimization techniques have been widely used in the field of knowledge discovery over the last few years. The whale optimization algorithm (WOA) is a swarm-based metaheuristic technique that is often used in the field of dimensionality

This study presents a modified version of MIS-HEMT via incorporation of dielectric pocket with a dual metal enabled gate (DP-DMG) architecture to achieve an enhancement in the electrical performance of AlGaN/GaN HEMT. A noteworthy improvement in DC/RF characteristics is observed with DP-DMG HEMT in comparison to conventionally used single metal gated Schottky (SMG) HEMT including gate leakage. Moreover

ABSTRACT Today, numerous reliability prediction methods exist for electronic systems. A detailed literature survey is conducted to investigate the various techniques/models to ensure electronic components/system's reliability. Based on such a method's merits and limitations, we recommend using the hybrid model to predict an electronic system's reliability prediction in the distinct development phase

ABSTRACT This paper proposes a linear time implementation of the Side Match Vector Quantization (SMVQ) algorithm. It maps the side match distortion values between codewords and a boundary vector onto an order-preserving integer sequence. Hence the SMVQ algorithm’s state codebook generation step can exploit any integer sorting algorithm to improve its overall runtime complexity. The proposed SMVQ implementations

The objective of this article is the construction of a new model reduction method for the simplification of large-scale linear dynamical plants. In this method, the denominator of the lower order plant is determined by using the balanced truncation technique and the numerator is obtained by the Padé approximation method. This technique is given for the removal of existing limitations of the Padé approximation

Indigenous instrumentation setup was designed, developed and demonstrated for remote detection of hydrogen using metal oxide (MO) sensors. The metal oxide sensor was developed to sense the low concentration of hydrogen. The hardware developed was based on a function generator configuration and uniquely designed to give low excitation voltage across the sensor to improve the life of the sensor and reduces

The complexity of intra prediction in High-Efficiency Video Coding (HEVC) is increased significantly due to the incorporation of inherent features like variable-sized quadtree partitioned coding units and 35 angular modes that help in achieving better compression. This paper presents an efficient hardware architecture for the intra prediction that supports and comprises the above aspects and achieves

The most common needs of the customers that have been identified by the antenna industry include functionality of antennas at selected frequency(s) with optimum values of corresponding gain and bandwidth. Owing to the physical constraints, miniaturization may become necessary. The use of fractals has often resulted in reduced antenna sizes with multiband and broadband response. This manuscript reviews

In this paper, we describe a multi-lead electrocardiogram (MECG) compression technique, which preserves pathological information in different affected leads while achieving high overall compression. For non-affected leads, the principal component decomposed expansion coefficients were optimally quantized using a feed-forward neural network. For affected leads, the wavelet decomposed coefficients were

A self-embedding watermarking algorithm based on a reference sharing mechanism that has recovery ability under high tampering rates is proposed in this paper. In existing methods, the image recovery ability is often limited under an increasing tampering rate. The proposed method overcomes this limitation by seeking an approximate solution for each character-bit group tampered with. Moreover, the priority

ABSTRACT In the rapid development of wireless communications, femtocells provide tremendous improvement in coverage and quality of service for users. Macro-femto based networks are envisioned to be the de-facto solution for providing ultra-high speed communications in next-generation mobile wireless networks. This paper studies two-tier macro-femto networks and proposes a collection of novel technologies

Facial expression recognition (FER) plays a vital role in image processing according to the widespread development of human interactive applications. In the past few years, various researchers have focused on FER for implementing it in different applications. The existing system suffers from various complexities such as low accuracy, computational cost, and poor recognition performances. In this article