V. Bhanumathi

Anna University Regional Campus Coimbatore · Department of Electronics and Communication Engineering

This paper proposes a novel distributed stochastic routing strategy using mobile sink based on double Q‐learning algorithm to improve the network performance in wireless sensor network with uncertain communication links. Furthermore, in order to extend network lifetime, a modified leach‐based clustering technique is proposed. To balance the energy...

Real-time smart applications are now possible because to developments in communication and sensor technology. Wireless sensor networks (WSNs) are used to collect data from specific disaster sites, such as fire events, gas leaks, land mines, earthquake, landslides, etc., where it is necessary to know the exact location of the detected information to...

Healthcare is one of the basic human needs and an important aspect of connected living. With the advancement of technologies, it is gradually transitioning away from traditional hospital-centric care towards a more virtual and distributed care. Health 4.0 is new buzz word in the healthcare systems. It is artificial intelligence (AI)-based intellige...

Wireless Body Area Network (WBAN) provides continuous remote patient health monitoring without disrupting their normal daily activities. In WBAN, the bio-sensor is placed on the human body to detect vital changes due to the abnormal behavior of human organs and send the sensed data via the Internet to the medical/cloud server. However, due to the p...

This paper investigates the possibility of using the Wireless Sensor Networks (WSNs) with the Internet of Things (IoT) in which the sensor nodes are attached to the collar of the animals to track the movement pattern of wild animals, and identify the territorial behavior, population and hunting. The random movement of animals creates the network is...

The main goal is to find multiple node-disjoint paths that meet the multi-objective optimization problem in terms of energy consumption minimization and network lifetime improvement. Due to the battery-dependent nodes in mobile ad hoc networks, the performance of the network will degrade. Hence, it is necessary to choose multiple optimal node-disjo...

With the persistent scaling of semiconductor technology, the embedded multi-processor platforms lifetime reliability has been the primary concern for the industry. The advancements in technology permit several microprocessors integration, dedicated digital hardware, and at times mixed-signal circuits on a single silicon die, specifically multi-proc...

With the persistent scaling of semiconductor technology, the embedded multi-processor platforms lifetime reliability has been the primary concern for the industry. The advancements in technology permit several microprocessors integration, dedicated digital hardware, and at times mixed-signal circuits on a single silicon die, specifically multi-proc...

Reversible logic is becoming more important in VLSI architecture in order to minimize power dissipation. In computational technologies like digital signal processing, nanotechnology, low-power CMOS, etc., this logic is used. If it comprises an equal count of inputs and an equal count of outputs that provide mapping, it is said to be reversible. Thi...

In low power VLSI circuit designs, power dissipation is one of the challenging issues which is associated with threshold voltage. The reduction of threshold voltage increases the subthreshold leakage current by increasing the leakage power dissipation which plays an important role in total power dissipation. Due to this leakage power issue, the dev...

In smart industrial applications, Wireless Sensor Networks (WSNs) contribute to the development of innovative systems that aim to improve the operational efficiency. However, node localization in the indoor environment still remains one of the main limitations of this technology. For WSNs, the use of a directional antenna is found to be a promising...

The applications of Wireless Body Area Networks (WBAN) are numerous concerning medical field like continuous health monitoring of old age people; post-surgical monitoring; prediction of degenerative diseases like cancer, tumour, heart disease, Alzheimer, dementia, etc. The term ‘Big Data’ is now playing a decisive role in medical applications in an...

Performance of Shell and Tube Heat Exchanger for treatment of textile industry wastewater as a secondary treatment process is reported. An Adaptive Neuro-Fuzzy Inference System and Artificial Neural Network models were used for predicting the accuracy of the process. Condensate flow (m³/hr), feed inlet temperature (°C) and steam flow (kg/cm) for te...

Wireless Body Area Networks (WBANs) are a subclass of Wireless Sensor Networks (WSN), which can be used for gathering patient’s critical data for diagnosing various diseases at an early stage. There are many routing challenges need to be addressed in WBAN like WSN, one of them is the selection of the next forwarding node or a next-hop node towards...

The multimedia processor is the most powerful and challenging application in real-time world where Hardware Trojans (HTs) is a significant threat in most of the electronic devices which use Integrated Circuit (IC) as a crucial component. Since IC is manufactured by most of the untrusted designers, there is a possibility of inserting malicious attac...

Integrating Wireless Sensor Networks (WSNs) and the Internet of Things (IoT) is to build a heterogeneous device network for connecting, sharing and storing their information in order to create the application environment as smart. It also helps in industrial automation to predict and build a fault-tolerant environment. The automation of industry ca...

Rainfall is an important natural phenomenon for agricultural activities to fulfill its water requirements. The proposed irrigation technique in agriculture saves water by making it as an automated one. By detecting the rain fall in real time, the amount of water needed for the field can be planned. A system is developed based on ARM micro controlle...

The primary goal of drip irrigation is to provide sufficient quantity of water and fertilizer to improve crop yield. An Efficient Scalable Data Collection Scheme (ESDCS) using Wireless Sensor Networks (WSNs) is designed to collect the sensor data from the agricultural field for predicting the amount of water required by the crop. In ESDCS, the wait...

Demand of Very Large Scale Integration (VLSI) circuits with very high speed and low power are increased due to communication system's transmission speed increase. During computation, heat is dissipated by a traditional binary logic or logic gates. There will be one or more input and only one output in irreversible gates. Input cannot be reconstruct...

Food, clothing and shelter are the basic needs of man. The most essential among the needs is food. There is always a wide gap between supply and demand because of the changes in food preference. The change in food preference is the major factor in prediction of food demand. The proposed method uses the second-order Taylor series for the projection...

Field Programmable Gate Array (FPGA) is the most recently used platform for real time applications such as security and multimedia processing. In FPGA mapping, there is some energy overhead due to the usage of programmable interconnects. To mitigate these limitations an energy efficient six input Look Up Table (LUT) is designed using Stability Enha...

Nowadays, most of the research focuses on the distributed algorithm to form the clusters in wireless sensor networks, in which the sensor nodes act autonomously to self-configure themselves with the help of the local information. However, the issues in such distributed mechanisms are (i) how to assign the time division multiple access (TDMA) schedu...

This paper proposes an Efficient Distributed Clustering and Gradient based Routing Protocol (EDCGRP) to support the Wireless Sensor Networks (WSNs) in (i) prolonging the network lifetime (ii) utilizing the battery energy efficiently (iii) reducing the overhead of the network (iv) ensuring high Packet Delivery Ratio (PDR) with minimal delay. To achi...

With the advancement in networking, information and communication technologies, wireless body area networks (WBANs) are becoming more popular in the field of medical and non-medical applications. Real-time patient monitoring applications generate periodic data in a short time period. In the case of life-critical applications, the data may be bursty...

Wireless Body Sensor Networks (WBSNs) are exposed to interferences such as intrabody and interbody interferences. Intrabody interference exists within a WBSN and interbody interference occurs between the WBSNs, which degrades the overall system performance. The impact of interference becomes more intense with the increase in the number of nodes. Th...

Energy consumption and network lifetime are the major concerns in wireless sensor networks (WSNs). In particular, WSNs use radios for communication, which are the major energy consumers. Due to frequent data forwarding process, the sensors near the sink especially in strip-based network deplete more energy, which causes energy hole problem and netw...

In recent years, the sensor cloud infrastructure dawns a huge advancement in many real time applications. The major drawback of Wireless Sensor Network (WSN) is its limited processing capability, bandwidth scarcity, insufficient memory, etc. In reality, the sensors (EEG, ECG, and so on) continuously sense the highly sensitive data, and send to the...

Precision agriculture is mainly used to make the farming as user-friendly to achieve the desired production of a crop. With the latest Geospatial technologies, the analysis related to any type of application using the Internet of Things (IoT) made each and everyone, to materialize the things whatever is imagined. The geographic information collecte...

Agriculture needs 85% of the available freshwater and its requirement may increase in future. Hence, a system is needed to utilize water efficiently in agriculture. The modern drip irrigation system lessens a significant amount of water usage compared to the traditional methods. And some crops need variable amounts of water as it grow e.g. paddy. T...

The main aim is to design a compact microstrip patch antenna with bandwidth enhancement for UWB applications by introducing LShaped patch with a U-slot. The microstrip patch antenna are having compact profile, simple structure and easy for fabrication. The main disadvantage lies with this is narrow bandwidth. In this paper, an Inverted L-Shaped pat...

Most important characteristics of the Wireless Sensor Networks (WSNs) is self-configuration, in which each deployed sensor node configures itself with neighbor node and establishes the network topology. In the proposed work, an Unmanned Aerial Vehicle (UAV) based Reliable and Energy Efficient Data Collection Mechanism (REEDCM) is introduced using W...

A compact Multiple Input Multiple Output (MIMO) antenna of size 41 × 30 × 0.8mm3 is proposed in this paper for Ultra-Wideband (UWB) application with high isolation. The proposed UWB-MIMO antenna consists of two Semi-Circle Antennas (SCA) which acts as a radiating patch for achieving UWB operation. The frequency range of UWB is from 3.04 to 10.87 GH...

A compact Multiple Input Multiple Output (MIMO) antenna of size 41 × 30 × 0.8 mm 3 is proposed in this paper for Ultra-Wideband (UWB) application with high isolation. The proposed UWB-MIMO antenna consists of two SemiCircle Antennas (SCA) which acts as a radiating patch for achieving UWB operation. The frequency range of UWB is from 3.04 to 10.87 G...

Nowadays, Wireless Sensor Networks (WSNs) play a vital role in agricultural field for improving growth rate and to reduce the resource utilization like water, manpower, etc. WSNs are used to monitor the environmental conditions of the agricultural field to achieve the automatic irrigation for the different plants in large areas of agricultural land...

Designing a stable and energy efficient routing protocol for mobility based Wireless Sensor Networks (WSNs) is a great challenge, because frequent link changes or failures make the network topology unstable. In this paper, we propose a Cluster-Tap Root based Data Collection (CTRDC) protocol which produces a highly stable and reliable routing path f...

In the present scenario, the term wireless body area network (WBAN) is becoming an integral part of human day to day life due its wide variety of applications, especially in the field of healthcare systems. To design such a reliable body area network system, there are a number of factors to be considered both in hardware and software levels. One of...

Fireworks field plays an important role in Indian economy. The production of the firecrackers depends fully on man power only in southern India. There is no fire safety instruments found in this firecrackers production till now. So if there is any fire accident occurring in the workplace, its consequences will be devastating for both man power and...

Cataract is a clouding or dulling of the lens inside the eye, which leads to a decrease in vision and is considered as the most common cause of blindness. The traditional cataract examination equipment and method can be operated only by well experienced ophthalmologists. Also the large scale screening of the cataract disease in the early stage is i...

The nodes in mobile ad-hoc network depend on battery for its power. Therefore, effective utilization of energy is necessary for efficient transfer of data between the persons involved in rescue without connection termination in disaster situation. An Optimal Path Selection Model (OPSM) is proposed to achieve this. First, routes are identified with...

The power-efficient multipliers play an important role of very large-scale integration systems, portable computing and communication systems. In many digital signal processing algorithms such as digital filters, discrete cosine transform , and wavelet transform, it is desirable to provide full precision multiplication A fixed-width multiplier (also...

Main aim of the work is to design an energy efficient routing mechanism based on Dynamic Source Routing (DSR). In order to achieve energy efficient reliable transmission, routing here is divided into two parts. One is to discover the path based on Received Signal Strength (RSS) and residual energy and the other is to select basedon minimum energy c...

In MANET, reducing the amount of overhearing and rebroadcast based on Received Signal Strength (RSS) value can reduce the energy consumption. A cross layer framework is designed by combining the physical, MAC and network layer. In order to reduce the energy consumption, 802.11 PSM is integrated with DSR. Overhearing in DSR will improve the routing...

The main aim of this paper is to find an optimal path to prolong the network lifetime and to find energy efficient routes for MANET. Routing involves path discovery based on Received Signal Strength (RSS) and residual energy and selection based on an optimized biobjective model. Biobjective here represents energy and hop. In path discovery process,...

Problem statement: The main idea is to design an energy efficient algorithm for reducing the amount of overhearing based on RSS value in a Mobile Ad-hoc Network (MANET). Approach: A cross layer framework is designed by combining the physical, MAC and network layer. RSS value is taken from the physical layer and it is used for finding the Mobility P...

The TCP throughput deteriorates in networks with large bandwidth-delay product, and new congestion control algorithms have been proposed to address such deterioration. Traditional TCP protocols treat all packet loss as a sign of congestion. Their inability to recognize non-congestion related packet loss has significant effects on the communication...