https://orcid.org/0000-0003-1761-217X
The current issue of the IETE Journal of Research (Vol 69, No 3, March 2023) contains 50 articles. These articles present ongoing research and developments taking place in the broad areas of Biomedical Engineering, Power Systems, Electromagnetics, Computer Science, Electrical and Electronics Engineering and Microelectronics.
The first paper in the issue “Simulation and Synchronous Generation of Radar Signals at Geographically Distributed Sensors for Testing Emitter Location System” presents a simulation study of location fixing of radar emitters using sensors that are distributed over tens of kilometers. The study encompasses performance dependence of emitter location systems on factors such as geometry of sensors relative to emitter location, signal parameter measurement accuracies, location fixing algorithm, and others. The paper also describes the use of radar signals synthesized synchronously and other aspects incorporated in the simulation.
The next paper titled “A Novel Design of Epidermal Flexible Antenna on Supraorbital Nerve to Correlate Diabetes and Anemia” presents a noninvasive way to diagnose anemia during blood transportation in the human body at an early stage using a non-implantable Epidermal Flexible Antenna (EFA). It overcomes the drawback of the conventional invasive method that often leads to improper diagnosis of anemia. The EFA is placed on the supraorbital nerve of the eye region and the acquired signals from the hemoglobin of red blood cells are processed. The paper presents the design of an epidermal antenna and its simulation study. The results from experiments are compared with laboratory tests from blood samples from which inferences about the accuracy are made.
In the paper titled “Electroencephalograph based Human Emotion Recognition Using Artificial Neural Network and Principal Component Analysis” the authors present a PCA-ANN model for human emotion recognition from EEG. The paper explains feature extraction from denoised signals. The performance efficacy of emotion recognition is presented and compared with existing models such as ensemble learning algorithm, a convolutional neural network with the statistical method, and sparse autoencoder with logistic regression.
The next paper titled “A Smart and Secured Approach for Children’s Health Monitoring Using Machine Learning Techniques Enhancing Data Privacy” is about health monitoring and safety of infant and child. In this paper, different Machine learning algorithms are used to obtain the suitable output with accuracy and performance measures. Vital health parameters are monitored by sensors, geo-fencing capability is included, intrusion detection capability is provided and information is transmitted to remote location Blockchain technology is used to provide data security. The paper provides details of the technology implemented.
In “Impact of High-K and Gate-to-Drain Spacing in InGaAs/InAs/InGaAs-based DG-MOS-HEMT for Lowleakage and High-frequency Applications” the authors present an analysis of the impact of high-K and gate-to-drain spacing (Lgd) in InAs-based double-gate metal oxide semiconductor high-electron-mobility transistor (DG-MOS-HEMT) for low-loss and high-frequency applications. The paper provides numerical device simulation results to make inferences about DG-MOS-HEMT with HfO2 as dielectric material in terms of leakage current control, low-power, low-noise, and suitability for high-frequency applications.
The following paper on “Performance Analysis of Maple-Shaped Monopole Multiband Antenna on Various Substrate Materials” presents the design of a maple-shaped monopole antenna with multiband characteristics for applications in radio altimeters, RADAR, and satellite communications. The frequency bands of operation are 3.19 GHz–4 GHz (S-band), 4 GHz–7–17 GHz (C-band), 8.09 GHz–12 GHz (X-band), and 12 GHz–13.81 GHz (Ku-band). The performance analysis is presented from simulation studies and compared with prototype fabrication and inferences are presented.
The next paper on “Gain Enhancement of Patch Antenna Using High Refractive Index Metamaterial-based Bi-convex Lens for Base Station Applications” presents the design for enhanced gain of broadband radiating antenna with high refractive index-based metamaterial Bi-convex lens superstrate. The incoming diverged beam from a patch antenna is focused using a virtual high refractive index based bi-convex lens. The paper presents simulation and measured results and draws inferences from them.
The following paper titled “Realization of Memristive State Machine for Smart Edge Detector Applications” presents the use of an oxide memristor for analog computing. The device has controllable transitions within its stable resistive states. The memristive ON and OFF states are taken as logic 1 and 0, respectively and intermediate memristances represent the possible resistive states within the memristive state machine. The designed memristive state machine system is compared with other software based conventional edge detection systems for accuracy of edge detection. The state machine has advantages of simplicity and accuracy for the given edge detection problem. Other advantages over conventional systems are also discussed in the paper.
In “A 0.7 pJ/bit, 1.5 Gbps Energy-Efficient Image-Based True Random Number Generator” the authors present a design of high performance and energy-efficient true random number generator using images as a source. The details of the design using hashing technique, event counting circuit, linear feedback shift register and its implementation using Xilinx Vivado simulation followed by Cadence Virtuoso circuit simulation tool are discussed. The quantitative performances of the generated random numbers are discussed.
The paper titled “CMOS Schmitt – Inverter-Based Internal Reference Comparator Array for High Temperature Flash ADC” presents the design of a CMOS Schmitt inverter-based internal reference comparator array for flash ADC that addresses the problem of localized analog-to-data converters operating near sensors that may require wide operating temperatures. The method may replace the reference voltage source, resistive reference voltage divider and differential comparator array of a conventional flash ADC by an array of suitably sized Schmitt inverters. The efficacy of the design in terms of area, power consumption, voltage transfer characteristic of the comparator array over wide operating temperature range is presented in the paper.
The paper titled “A Novel Eye-shaped Monopole Antenna for Wideband and 5G Applications” presents the design of a compact dual-band monopole antenna printed on low-cost FR4 substrate for use in wireless communication applications. The antenna design consists of an eye-shaped patch and a semicircular shaped slot on the half elliptical ground plane. Measurement studies are done for multiband frequencies such as S, C, X, Ku, K, and Ka-band, which covers WiMAX, WLAN, satellite TV, and 5G application bands at the lower and upper-frequency band. The efficacy of performance is reported through several parameter measurements.
In the paper titled “Permutation Entropy Thresholding: A Non-Linear Signal Processing Method for Islanding Detection” the authors present a method for islanding detection in presence of other disturbance events in power systems based on Permutation Entropy (PE). The PE measure has attributes of fast, efficient, and fast detection of change in dynamics, and low computational complexity compared to non-islanding methods. The method is evaluated with grid connected single as well as multi-DG systems and its robustness against effects of load quality factors, active and reactive power mismatches is reported. The paper presents the performance characteristics with photovoltaic sources and the IEEE 14 bus model and inferences are drawn on the efficacy of the results and suitability for adopting into existing networks.
The following paper titled “Metamaterial Loaded Antenna with Improved Efficiency and Gain for Wideband Application” presents the design of a wideband metamaterial-based microstrip patch antenna. The patch antenna has a metamaterial unit cell loading on the top patch and the bottom ground plane. The paper presents performance results such as gain over operating band and average efficiency. Based on the wideband and high-gain properties, a case is made for usefulness of the design for UWB (3.1–10.6 GHz), Wi-Max (3.5 and 5.8 GHz), 5G NR FR1 (3.3–5 GHz) and Wi-Fi 6E (5.59–7.12 GHz) applications.
The next paper on “Proportional-Resonant and Unipolar Switching Control of Single-Stage Solar Photovoltaic Grid Interfaced System” presents a design for the control of a solar photovoltaic array-fed single-phase grid interfaced system, using a voltage-source converter. It addresses issues of power quality including power factor correction and harmonic mitigation in abnormal conditions. The design uses an inner loop as current control and the outer loop as voltage control. The ‘maximum power point tracking’ is achieved by an incremental conductance method. The authors report the experimental performance at dynamically abnormal conditions for total harmonic distortion of the grid current and ‘point of common coupling’ voltage, in consonance with the IEEE-519 standard to draw overall inferences.
The next paper on “Novel Circuit Model of Multi-walled CNT Bundle Interconnects Using Multi-valued Ternary Logic” presents circuit modeling and analysis study of ternary logic for multi-walled carbon nanotube (MWCNT) bundle interconnects with active shielding. A ternary inverter driver model is used to obtain the ternary logic at output. The paper presents comparative analysis for MWCNT bundle, standard-walled CNT (SWCNT) bundle and copper interconnects with and without shielding to draw inferences about the efficacy of the proposed MWCNT model.
The paper on “Exotic IMPATT Oscillator for Terahertz Thermography: Feasibility Studies in Hepatic Tumor Detection” reports a scheme for the diagnosis of hepatic tumor from corresponding terahertz thermographs. It presents the design comprising of a solid-state source of THz radiation capable of working at room temperature and gives the THz non-linear characteristic of the device and system that is studied through a quantum modified classical drift diffusion simulator. The paper reports an FEM simulation based THz-thermograph model and its comparative analysis with those of microwave thermographs to draw inferences about the efficacy of the overall scheme.
The paper titled “New Design of Reconfigurable Stop-band in UWB Band-pass Filter based on Resonator-loaded Slotline” presents a new design of a reconfigurable stop-band region in UWB band-pass filter based on a resonator loaded slot-line. The stop-band response is adjusted by embedding a single PIN diode in the resonator such that when the PIN diode state is OFF, a UWB response is achieved and when the diode is in ON, a notch results. The paper gives details of the filter characteristics in terms of insertion loss, return loss and group delay.
The following paper titled “Optimized Fuzzy-Based Wavelet Neural Network Controller for a Non-Linear Process Control System” presents a wavelet neural network (WNN) controller model for control action meeting performance system model requirements in the continuous stirred tank reactor (CSTR) problem that is used in chemical process industries. The WNN model is optimized using the grey wolf optimizer algorithm and the input is taken from the Mamdani fuzzy model. The paper presents simulation experiment results to show the efficacy of the controller for the non-linear CSTR model and comparisons are presented with existing controllers from the literature.
The paper titled “HsClone Genetic Algorithm Implementation on a Combinational Circuit” is in the direction of robust circuit design for addressing the effects of radiation and temperature for onboard satellite applications. The authors present a design method that uses evolutionary algorithm and evolvable hardware technique in the space of possible circuits and finds an optimized solution that satisfies required constraints.
In “A Compact Textile Antenna with a Defected Ground Structure for S, C, X and Ku Band Applications” the authors present design and analysis of a compact textile antenna, that has wideband operation characteristics from 2.59 to 6.67 GHz and from 10.18 to 12.98 GHz making it suitable for multiple communication services in S, C, X and Ku bands. The multiband and wideband characteristics are achieved in a single antenna structure by through a Triple Notch Circular Patch Antenna with a Defected Ground Structure. The paper presents the simulation and measured characteristics from a fabricated antenna and inferences about the design and performance efficacy are drawn from the results.
The next paper titled “Comparative Assessment of Regression Techniques for Wind Power Forecasting” presents a comparison study of five optimized robust regression models for forecasting wind power generated through turbines. The study is useful for developing robust power production management systems. One of the five models studied is found to be performing the best.
The paper titled “Nonlinear Control of Grid Tied Solar Photovoltaic System Considering Uncertainties” presents a robust control technique for grid connected solar photovoltaic (PV) systems taking into consideration their nonlinear and uncertain behaviour. The controller’s design objective is to achieve maximum power transfer from the solar PV system and control the DC link voltage and the current injected into the grid. The performance of developed system is tested for various test cases and also experimentally with hardware implementation. The results are discussed in the paper and inferences are drawn about meeting the objective and maintaining the IEEE defined standards.
The paper on “A Dielectrically Modulated GaN/AlN/AlGaN MOSHEMT with a Nanogap Embedded Cavity for Biosensing Applications” presents a study of GaN/AlN/AlGaN MOSHEMT with a cavity below the gate towards the drain side in terms of sensitivity analysis and viability as a biosensor. The analysis is done by dielectric modulation of the cavity region. The paper presents simulation analysis to make inferences about the sensitivity of the device.
The following paper titled “Density Gradient Study on Junctionless Stack Nano-Sheet with Stack Gate Oxide for Low Power Application” presents a study of the Quad gate with gate-oxide stack for 3 fins in terms of the classical model and the quantum model for analog performance. The simulation study to evaluate parameters such as trans-conductance, output conductance, intrinsic gain, and cut-off frequency are evaluated and AC analysis results of the device are presented to infer about trans-conductance and cut off frequency for both classical model and Quantum model.
In the paper on “Computed Torque Control Method for Two-Axis Planar Serial Robotic Arm” authors consider a method for control of two-axis planar serial robotic arm for steam generators (SG) used in heat exchanger system in fast breeder reactors. The paper presents a computed torque control technique to precisely control the robotic-arm end-effector.
The next paper titled “A Conformal Metamaterial with Wide DNG Region for C and X Microwave Bands” presents the design of a flexible double negative (DNG) structure with large negative refractive index (NRI) region covering complete S, C, and X bands. The paper presents the fabrication details and test results of the structure and comparisons with simulation results are done and discussed.
The paper on “DC Characterization and High-Frequency Performance Analysis of a GaN/AlGaN HET on a β-Ga2O3 Substrate” presents the design of an AlGaN/GaN heterojunction transistor on a wide band gap material substrate viz. β gallium oxide. It also presents the simulation performance study using Silvaco TCAD software. The paper presents the cutoff frequency and maximum oscillation frequency estimates that are used to draw inferences about the high electron mobility transistor’s suitability for radio frequency applications.
In the paper on “A Novel Compact Multiband Reconfigurable WLAN MIMO Antenna” the authors present the design of a frequency reconfigurable multiple-input multiple-output antenna, operating in triple and dual bands, and suitable for wireless local area networks. The antenna structure has two planar inverted F antenna (PIFA) elements integrated with two PIN diodes. It is shown that meander line resonator and T slot achieve good isolation amid PIFA elements. The paper presents simulation and experimental characteristics and inferences are drawn from comparison of results.
The next paper on “Test Architecture Optimization for Post-bond Test and Pre-bond Tests of 3D SoCs Using TAM Reuse” addresses the problem of test architecture optimization and test schedule for 3D System-on-Chip. A heuristic approach is given to minimize the post-bond test time of 3D SoC under the constraints of through-silicon-via and power consumption. The paper discusses the approach to minimize total test time by considering routing cost of test access mechanisms. The paper presents simulation study carried on different ITC’02 test benchmarks to infer about the optimization method’s efficacy.
The following paper titled “FACTS-based 3DOF-PID Controller for LFC of Renewable Power System Under Deregulation Using GOA” presents a study of the grasshopper optimization algorithm (GOA) for getting an optimum solution of automatic gain control in hybrid power systems. The specific deregulated scenario using a 3-degree freedom of proportional integral and derivative controller is studied. The paper presents results of investigation GOA-optimized 3DOF-PID controller performance and compares it with is other conventional optimization techniques to draw conclusions.
In the paper “Neural Network Controlled Space Vector PWM for a High Power Factor Converter Under Perturbed Conditions” the authors address the problem of supply and load perturbations and demonstrate the application of neural networks to optimize space vector pulse width modulation (SVPWM) for a neutral-point clamped rectifier. A simulation study of the neural network-based controller scheme is presented along with simulation results that are discussed for different supply and load conditions.
In the following paper on “Computation Offloading for Smart Devices in Fog-Cloud Queuing System” authors present a Fog-Cloud architecture consisting of multiple smart devices, fog nodes, and the cloud. They use appropriate queuing models to simulate the traffic delay at different network elements and formulate a non-linear multi-objective optimization problem to minimize the energy consumption, execution delay, and cost of remote execution. Stochastic Gradient descent algorithm based approach is proposed to jointly optimize offloading probability and transmission power. The paper presents simulation results to show the efficacy of the proposed system.
The paper on “Effects of Total Dose Radiation on Single Event Effect of the Uniaxial Strained Si Nano NMOSFET” presents a study of the effect of total dose radiation on the single event effect of uniaxial strained Si Nano channel metal oxide semiconductor field effect transistor (NMOSFET) using TCAD simulation. By comparing the experimental results, the TCAD simulation model of the 50 nm strained Si NMOS device is established. Results are presented about the relation between total dose radiation and the body potential of NMOSFET devices and the single event transient process of NMOSFET devices.
The next paper titled “Wideband Frequency Agile and Polarization Reconfigurable Antenna for Wireless Applications” presents the design of a polarization reconfigurable concentric circle microstrip antenna with simultaneous frequency agility via controlling open stub cascaded branch-line coupler (OSCBLC) feed network configuration. The performance in form of tunable impedance bandwidth of 2.0 GHz to 3.0 GHz is presented by varying the capacitance of four varactor diodes fixed between the circular patch and ring. The designed antenna performance is compared between simulated and measurement results to draw inferences about the design.
In the paper on “Efficient Ternary Compressor Design Using Capacitive Threshold Logic in CNTFET Technology” a design method is presented to implement the 3–2 compressor and 4–2 compressor circuits using the futuristic carbon nanotube field-effect transistors (CNTFET). The method exploits the combination of ternary logic and binary logic design technique to achieve enhanced performance. Simulation results are presented in terms of power and power delay product and compared to earlier reported designs to make inferences about the proposed method.
The paper titled “Circularly Polarized Dual Band Dual Slot Antenna for WLAN, Wi-MAX and Wi-Fi Applications” presents the design and analysis of a circularly polarized dual-band dual-slot antenna for WLAN, Wi-MAX and Wi-Fi applications. The antenna utilizes a single offset microstrip line feed and does not require complicated phase shift network to provide 90° excitation phase difference so that it can be used to form larger arrays to achieve higher gain. The paper reports antenna gain for the two bands. Results are presented and compared between the simulations and measured values.
The next paper on “A Novel Modified T Slot to Realize Wideband Circularly Polarized Patch Antenna for Low-Cost Planar 2.4 GHz Wireless LAN, Bluetooth, GPS Applications” presents a method to realize a circularly polarized patch antenna with 9.52% impedance bandwidth and axial ratio bandwidth. A modified T slot on the ground and offset feeding is used to achieve the required results. The paper presents the antenna’s parameters from simulation study and from measurements done on a fabricated antenna and comparisons are made between them to draw inferences.
In “Variable Step-size Adaptive Maximum Power Point Tracking Algorithm for Solar Cell Under Partial Shading Conditions” authors present an adaptive Maximum Power Point Tracking (MPPT) algorithm for solar cell with varying step size to track the Global Maximum Power Point (GMPP) under different partial shaded conditions. The Variable Step-size Adaptive Maximum Power Point Tracking method has been developed to track the global optimal power point for various irradiations. The algorithm keeps adjusting its tracking strategy to find Global Peak Area. The paper presents results to demonstrate the effectiveness of the method over existing MPPT methods.
The next paper titled “A Right Hand Circularly Polarized Dual-Band Microstrip Antenna Array” presents the design of a single-feed dual-band circularly polarized half E-shaped microstrip patch antenna array. It consists of a 4 × 4 array realized on RT duroid substrate of height 3.2 mm. The paper presents results of its experimental study that show desired performance for C-band satellite communication applications.
The paper titled “Analysis of Ethernet Control Network” presents details of design and implementation of a reliable http-based automation network of large interconnected microcontroller-based nodes. It discusses about hardware, firmware components and an application-layer faulty-node-filter algorithm. The paper presents the several design challenges when Ethernet is used for closed-loop controls and measurements. Some of the major reasons of poor network performance within such control networks are analyzed using network protocol-analyser. The paper draws conclusions regarding the feasibility of using IEEE 802.3 standard Ethernet in applications like slow-cryogenics-control systems of linear Accelerators to build an error-free, near deterministic control-application.
The next paper titled “Evaluation of Accuracy of an Indigenous Cost Effective and User-Friendly Alarm System for Monitoring of Intravenous Infusion- IV ALERT” presents the evaluation study of “IV ALERT”, a portable device for monitoring the volume of fluid delivered from a gravity-fed infusion bottle and activating an alarm at preset target volumes. A load cell with a high accuracy strain gauge is used to activate a microcontroller and an internal timer. The IV Alert is Wi-Fi-enabled for remote monitoring from the nursing station. The paper presents details of error analysis in the volume for different fluids.
The paper titled “Low-profile Magneto-electric Dipole Antenna” presents the design of a magneto-electric dipole-like antenna for Ku-band (12–18 GHz) applications. The authors describe the design comprising of a low-profile configuration of a magneto-electric dipole antenna by planar arrangement of four shorted patches and L-shaped coax probe. The antenna has been fabricated and the paper presents its performance obtained experimentally as well as through simulated studies.
The next paper on “A Pi-Shaped Slot Antenna for 5.2 GHz WLANMIMO Application” presents the design of a rectangular patch antenna with π shaped slot as a miniaturized antenna element for WLAN applications. The compact π shaped slot antenna is used as a radiating element for the design of a 2 × 1 MIMO system. The paper presents the performance results of simulation study and from measurements made from fabricated antenna to make inferences about the efficacy of the proposed design.
In the paper titled “Compact Pattern Diversity Antenna with 3-D Printed All-dielectric Superstrate for WLAN Access Points” the authors present the design of a four-port pattern diversity antenna with a 3-D printed all-dielectric superstrate for 5.2 GHz WLAN access points. The antenna module has an impedance bandwidth of 80 MHz (5.16 GHz–5.24 GHz), covering the IEEE 802.11ac band. The topology of four-port coaxial-fed circular patch antennas provides a beam tilt of ±45° and ±15° with an angular coverage of ±60°. The paper presents results of performance to support the efficacy of the design.
The paper on “Review on IMC-based PID Controller Design Approach with Experimental Validations” presents a contextual review of Internal Model Control (IMC)-PID tuning for various classes of single-input single-output processes along with their tuning relations. IMC controllers with adaptive, auto-tuning, and fractional-order structure are discussed. The review also includes discussions on IMC tuning strategies for MIMO processes. The paper presents a comparative study through real-time experimentation on a coupled tank system.
The next paper on “Two New Third-Order Quadrature Sinusoidal Oscillators” presents the approach for a systematic realization of two third-order quadrature sinusoidal oscillators employing operational transconductance amplifiers. The presented oscillators have high-frequency stability factor and low power consumption. The paper discussed circuit simulation results employing CMOS OTAs and experimental results using off-the-shelf components to compare and conclude about the workability of the presented circuits.
In “Wideband Reflectarray Antennas Using Concentric Ring-Based Elements for Ku-Band Applications” authors present the design of two wideband reflectarray antennas in the X-Ku band (10–15 GHz). The experimental evaluation of the performance parameters are presented and discussed in the paper.
The paper on “Gated Clock and Revised Keeper (GCRK) Domino Logic Design in 16 nm CMOS Technology” presents a domino logic namely, Gated Clock and Revised Keeper (GCRK) domino logic with a keeper circuitry that reduces the power consumption in the circuit. The paper presents the total power consumption, delay and power-delay-product of 16-bit OR gate GCRK domino logic and these measures are compared with existing domino logic designs to draw inferences about the proposed logic design. The paper concludes from noise analysis and Monte Carlo simulations that the design is robust to noise and parametric variations.
The following paper titled “Design, Optimization and Experimental Verification of a Low Cost Two-Microcontroller Based Single-Phase STATCOM” presents the design and optimization procedure for a low-cost single-phase Static Synchronous Compensator (STATCOM) based on Cascaded H-bridge Multilevel Converter (CHBMC) topology. The design uses two PI controllers for reactive power control and regulating the average DC link voltage of the two H-bridge converters. Optimization of the PI controller parameters is done by particle swarm optimization method. The paper presents the experimental performance results of the hardware realization of a small power rated of single-phase STATCOM connected to 220 V grid.
The paper titled “Interconnection of Rural Microgrids and its Control” presents an architecture comprising of two independent clusters as microgrids that are interconnected through a Low Voltage AC line. It contributes to the study of supporting generator systems to tackle the variation in load or input power to a renewable energy-based system. The hybrid system consists of wind, solar, and biogas based generating plant. The design incorporates fractional order proportional–integral controllers have been for faster response, additional tuning parameter and less effect on performance due to external disturbances. The paper reports a simulation-based dynamic study of the controller and makes inferences about the proposed scheme.
Additional information
Notes on contributors
Arun Kumar
Arun Kumar is with the Centre for Applied Research in Electronics, Indian Institute of Technology, Delhi, since 1997. He became professor in 2008 and has served as head of Centre for more than 7 years. He obtained the BTech, MTech and PhD degrees from Indian Institute of Technology Kanpur in 1988, 1990 and 1995, respectively. He was visiting research rate the University of California, Santa Barbara, USA from 1994 to 1996 before joining IIT Delhi. His research interests are in digital signal processing, under water and air acoustics, human and machine speech communication, and multi-sensor data fusion. Professor Arun Kumar is an inventor on 10 granted US patents. He has guided 16 PhD theses and 180 Master’s theses. He has authored/co-authored 160 papers in peer reviewed journals and conferences. He has been project investigator/co-investigator for 72 funded R&D projects from industry and government. These projects have led to several technology and know-how transfers. Many of the technologies co-developed by him are deployed in the field and are in practical use. Professor Arun Kumar has served on several technical and organization committees of conferences, and on national level committees in electronics and defence fields. He is co-founder and director of a company that develop signal processing and AI based technologies and products for speech-based and multi-modal human and machine. He is currently deputy chief editor of IETE Journal of Research.Email: [email protected]
Shiban K Koul
Shiban K Koul is currently an emeritus professor at the Indian Institute of Technology, Delhi. He served as deputy director (Strategy and Planning) at IIT Delhi from 2012-2016 and mentor deputy director (Strategy & Planning, International Affairs) at IIT Jammu from 2018-2021. He also served as the chairman of Astra Microwave Products Limited, Hyderabad from 2009-2019 and Dr R P Shenoy Astra Microwave chair professor at IIT Delhi from 2014-2019. His research interests include RF MEMS, high frequency wireless communication, microwave engineering, microwave passive and active circuits, device modelling, millimetre and sub-millimetre wave IC design, body area networks, flexible and wearable electronics, medical applications of sub-terahertz waves and reconfigurable microwave circuits including miniaturized antennas. He successfully completed 38 major sponsored projects, 52 consultancy projects and 61 technology development projects. He has authored/co-authored 601 research papers, 22 state-of-the art books, 4 book chapters and 2 e-books. He holds 26 patents, 6 copyrights and one trademark. He has guided 30 PhD thesis and more than 100 Master’s theses. He is a Life Fellow of IEEE and Fellow of INAE and IETE. He is the chief editor of IETE Journal of Research, associate editor of the International Journal of Microwave and Wireless Technologies, Cambridge University Press. He served as a Distinguished Microwave Lecturer of IEEE MTT-S for the period 2012-2014.
Recipient of numerous awards including IEEE MTT Society Distinguished Educator Award (2014); Teaching Excellence Award (2012) from IIT Delhi; Indian National Science Academy (INSA) Young Scientist Award (1986); Top Invention Award (1991) of the National Research Development Council for his contributions to the indigenous development of ferrite phase shifter technology; VASVIK Award (1994) for the development of Ka- band components and phase shifters; Ram Lal Wadhwa Gold Medal (1995) from the Institution of Electronics and Communication Engineers (IETE); Academic Excellence Award (1998) from Indian Government for his pioneering contributions to phase control modules for Rajendra Radar, Shri Om Prakash Bhasin Award (2009) in the field of Electronics and Information Technology, VASVIK Award (2012) for the contributions made to the area of Information, Communication Technology (ICT) and M N Saha Memorial Award (2013) from IETE. His name has recently figured in the Scopus Elsevier top 2% Scientists under the Category “Year 2021”. Email: [email protected]
Ranjan K Mallik
Ranjan K Mallik (FIETE, FIEEE, FIET, FTWAS, FNAE, FNA, FNASc, FASc) is an Institute chair professor in the Department of Electrical Engineering, Indian Institute of Technology (IIT) Delhi. He received the BTech degree from IIT Kanpur and the MS and PhD degrees from the University of Southern California, Los Angeles, all in electrical engineering. He has worked as a scientist in the Defence Electronics Research Laboratory, Hyderabad, India, and as a faculty member in IIT Kharagpur and IIT Guwahati. His research interests are in diversity combining and channel modelling for wireless communications, space-time systems, cooperative communications, multiple-access systems, power line communications, molecular communications, difference equations, and linear algebra. He is a recipient of the Shanti Swarup Bhatnagar Prize, the Hari Om Ashram Preriot Dr Vikram Sarabhai Research Award, the Khosla National Award, the IETE Ram Lal Wadhwa Award, the IEI-IEEE Award for Engineering Excellence and the J C Bose Fellowship. He is a member of Eta Kappa Nu and a Fellow of IEEE, the Indian National Academies INAE, INSA, NASI, and IASc, TWAS, the West Bengal Academy of Science and Technology, IET (UK), IETE (India), The Institution of Engineers (India) and the Asia-Pacific Artificial Intelligence Association. He served as an area editor and an editor for the IEEE Transactions on Wireless Communications, and as an editor for the IEEE Transactions on Communications. He was a Technical Program Committee (TPC) co-chair for the Wireless Communications Symposium of IEEE GLOBECOM 2008 and IEEE ICC 2010, a TPC co-chair for the PHY Track of IEEE WCNC 2013, and a TPC co-chair for the Communication Theory Symposium of IEEE ICC 2021. He is currently deputy chief editor of IETE Journal of Research. Email: [email protected]