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Shared memory resources are inevitable components in modern SOC architecture due to Multi-core Architectures resulting ease synchronization with enhanced speed and reliability. Again architectural verification are challenging for these protocols for coherency systems. Hence this project work has come out with complete verification environment for such a complex MESI coherency protocol based on model...
The proposed work explains the absorption property of different material which can be used for the formation of Quantum Dot and their use in solar cells. By using property of Intermediate Band Gap of Quantum Dot efficiency of solar cells can also be increased. Along with it, it's found that absorption of Quantum Dot Depends on the angle by which light falls on them and in most of the cases its maximum...
FinFETs are the devices which replaced bulk MOSFETS because of its surpassing quality of minimizing leakage power and reducing short channel effects occurring in MOSFETS due to decrease in channel length. In this paper a comparative analysis of proposed Voltage Mode Sense Amplifier (VMSA) is performed using FinFET and CMOS at different technology node. Simulation is carried out using H-spice tool...
This paper presents a novel architecture for digital phase locked loop. This architecture includes following modules: Low power phase and frequency detector (PFD) consumed 19.7nw at 90nm technology node, time to digital converter (TDC) to reduce error in phase of the input signal, digitally controller oscillator (DCO) to synthesize RF frequencies in deep submicron CMOS process. All modules are integrated...
Increasing demand of multiple functions in a single device or with smaller area leads to more market for devices with System on Chip (SOC). An SOC have multiple Intellectual Properties (IPs) such as Processors, memory, peripherals etcetera on a single chip. These IPs need to have an efficient bus architecture for the communication purpose which further decides the device performance. The most used...
A landslide is the movement of rock, rubble or dirt down a slope. They result from the failure of the constituents which make up the mountain slope and are driven by the force of gravity. Though the landslides cannot be detected before they occur, but we can alert the general population about any catastrophe that has occurred. This would enable the people residing in the vicinity as well as the disaster...
Memory occupies more than 70 percent of area in today's system on chip and the trends continue to be increases in coming years. As the technology is scaling the bulk MOSFET faces various challenges which lead to increased leakage. Below 32nm technology, FinFET is the most promising substitute to bulk CMOS technology because of reduced short channel effect. The proposed 10T SRAM cell is designed using...
This paper analyses various electrical parameters of carbon nanotube (CNT) for high performance interconnects. CNT parameters such as R, L, C, thermal conductivity and bundle density are taken into account to draw the specifications of interconnect. Band structures of CNTs for various diameters have been plotted using NINITHI and Carbon Nanotube Modeler to obtain band gap. The results show that fermi...
Power is a major issue in today's system on chip design at deep submicron. It is very important to control power dissipation in cache memories because 70 % of chip area is covered by memory in microprocessors. Various low power circuits are proposed in the past for volatile memories to alleviate the problem of power dissipation. However in today's era nonvolatile SRAMs (NVSRAMs) are being proposed...
LPG cylinders have become an integral part of every home. Our kitchens are occupied with LPG cylinders which help us make delicious food. But it can be dangerous and life threatening. Therefore, it requires constant vigilance to reduce the danger. The aim of this paper is to design a safety oriented system which will alert the user about any threat in the kitchen through mobile and also capable of...
Cognitive Radio is an intelligent radio designed to automatically detect the best wireless channel in wireless spectrum that is unused at a specific time. It is software defined radio in which the operating parameters such as modulation type, power or spectrum band change by software. Spectrum sensing is one of the most important functions of cognitive radio. It is used to detect the activity of the...
The proposed work presents a prototype of novel method that comprises of a complete embedded system for the process of restoring the foggy images. Foggy conditions are considered to be a major source of accidents for vehicles. Use of a novel ‘Mean Channel Prior (MCP)’ algorithm for defogging gave more accurate results as compared with the earlier existing methodologies. The prototype of proposed system...
Technology trends and an urge to have a lavish life style demand a tradeoff between quality and budget. There is precedence over health issues; thereby developers are investing more over the health tracking systems. Now days these devices are commercially available in market but their cost and reliability factor are not satisfactory for customers or users. The notion of this paper is to propose a...
The design of Low Power Low Glitch Dynamic Phase Frequency Detector (PFD) is proposed in this paper. The dynamic PFD helps Delay Locked Loop (DLL) to detect the phase error information in form of pulses at high frequency and plays an important role for improving the performance of complete DLL block. A Low Power and Low glitch phase frequency detector is proposed at 180 nm technology node using GPDK180...
Buck converters are still used as an efficient step down DC-DC converters for constant load voltage for many power supply applications under variable input voltage and different loading conditions. In most of the applications DC-DC converters are controlled by either voltage or by current mode controller. DC-DC converters exhibit non-linear behavior due to switching, hence controller design comes...
WBMS is now becoming very necessary for high speed corridor and for every vehicular transportation network. The complete research work demonstrates the monitoring of some essential terminology of bridge which are required to monitor the ageing bridges. The remotely located bridges require continuous health monitoring and maintenance. The sensing technology and fast processing abilities of processing...
Underwater acoustic sensor networks (UW-ASNs) are deployed in the water to gather the information of interest. They can gather information regarding temperature, pressure, pollution and environment of the ocean. There is requirement of energy efficient routing protocols to convey information to the sink. Energy efficient routing protocols used in terrestrial networks are not suitable for underwater...
Transformer is a very important and critical component which acts as a link between the generation, distribution and consumer end of a power network. These devices are often subjected to electrical and mechanical exploitations throughout the operation, which many a time results in catastrophic failure and drastic reduction in life cycle. The problem is further elevated by the shift of paradigm in...
Many innovations has been done for optimal utilization of various energy resources, nowadays many limitations are increasing on non-renewables due to their depletion and adverse environmental effects. Wind is one of the most important inexhaustible sources. As technologies are advancing, efficient use of wind like resources is also increasing. Doubly-fed Induction Generator (DFIG) based system is...
The design of miniaturized antennas using the fractal geometry concept is a latest trend. A new compact size circular based fractal antenna is presented in this paper. As the mathematical formulas are not available for the analysis of fractal antennas, so the development of a genetic algorithm based ANN ensemble for proposed antenna is also described. The comparison of the results of the proposed...
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