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As technology advances towards the deep sub-micron regime, energy consumption of digital circuits is becoming more serious. Supply voltage (VDD) scaling is the effective knob to achieve minimum energy consumption. This paper aims at obtaining the minimum energy optimal VDD for the design of Gate Diffusion Input (GDI) logic circuits. A 10 transistor (10T) GDI based full adder circuit is designed for...
This paper describes a new symmetric inductor configuration for improved quality factor (Q). For symmetric inductors (SI), Q values are limited by lateral inter-turn capacitance. By realizing adjacent half segments of the spiral on top two (alternate) layers, an alternate layer symmetric inductor (ASI) is constructed. Significant reduction in lateral capacitance is observed which translates to improved...
In recent days wireless network provides a high bandwidth support eternally for enabling a loss free communication. One amongst the standards available for high rate support in personal area network is WiMedia Ultrawideband. It provides consumer applications and products at low price consuming low energy. An effective slot allocation and scheduling method could enhance the performance of the existing...
Our work focuses on the per user distribution of achievable rate in a cellular environment. The system considered in this work consists of clustered base stations which systematize downlink transmission. Implementation of Block Diagonalization is carried outxwithinxthe clusterxfor the removal of interference within the users. The achievable ratexperxuser has a probability distributions which superlatively...
This paper focuses on the concept of car parking detection mechanism using the ultrasonic sensor, in combination with the usage of Internet of Things i.e. sending the status of the parking slot to the Internet. Through which the user at any place in the world can see which parking slot is empty and where to park. This is done by sending the data of ultrasonic sensor through our Wi-Fi module that is...
This paper presents a brief on the implementation of reconfigurable shared LUT (look-up-table) based Distributed Arithmetic (DA) for the higher order finite-impulse response (FIR) filters whose filter coefficients can be changed during run time. In this architecture all the multipliers and adders are replaced by the register banks, multiplexers and the shifters. The throughput rate of the design is...
In this paper a low power, high gain self bias opamp suitable for biomedical applications has been described. A novel trans conductance boosting technique is introduced without having any additional power consumption. A simple technique of biasing the opamp has been introduced for very low offset and without having any requirement for external reference circuit. A prototype of two stage amplifier...
The designed low power 10-bit 5-MS/s SAR ADC reduces the capacitor array area and switching power by 50% and 89% respectively compared to the conventional one by switching monotonically. The Capacitive digital-to-analog converter used by this ADC diminishes parasitic capacitance as special care has been taken for capacitor array formation. MOM capacitor arrays are done using common centroid placement...
In this paper, we proposed a new design of hybrid adder for area-efficient 32-bit floating point multiplier. By combining conventional ripple carry adder (RCA) and Wallace tree adder for adding Generated Partial Products (GPPs), the speed can be improved. Toom-3 multiplication method applied on 24×24 mantissa multiplier with a reduced complexity of (n1.465). Pre-determined Partial Products Generation...
The objective of this work is to implement a CNTFET-based ternary control unit and a ternary memory to be employed in a ternary processor. Ternary logic gives faster processing speed and Carbon Nanotube Field Effect Transistor (CNTFET) with its ballistic transport and nanometer size ensures low power and less area respectively. A ternary controller circuit is implemented with CNTFETs. C-Element, which...
This paper involves the study of pull-in voltage of a Shape Memory Alloy (SMA) based cantilever beam. The study is carried out by applying electrostatic forces and varying the dimensions. Nitinol which is a SMA is used for the simulation to get required results. An electrostatic force generated by an applied voltage between the top movable micro-cantilever and fixed ground plane bends the micro-cantilever...
In the present industrial world, Programmable Logic Controllers (PLCs) are playing a vital role. A Programmable Logic Controller is a solid state user programmable control system with functions to control logic, sequencing, timing, arithmetic data manipulation and counting capabilities. As the applications are becoming more and more complex, the single-core PLCs are unable to meet the high speed execution...
Using the channel utility factor, in this work an analytical model for wireless networks IEEE 802.11 is proposed to calculate the delay experienced while serving a request in the scheduler part. The proposed delay sensitive scheduling algorithm considers the nature of the data. The delay incurred due to scheduling overhead is analyzed in order to address unfair treatment of users. The motivation behind...
DGS (Defected ground structure) unified with square patch antenna is inspected using uniformity and non-uniformity structure. In this study, without affecting the dominant mode, input impedance and copol an air gap analysis between patch and defect in the ground plane has done to suppress cross polarization (X-pol.). The resonant frequency is 3.1GHz and X-pol. is suppressed approximately up to −13dB...
In this paper we have developed a low cost, low power waste management system which will be applicable in regions which are not economically sound. This system enables us to collect the trash as and when the can is full or when the trash inside is decomposed compared to daily collection. This has been designed using an Arduino Uno board incorporating additional modules such as a GSM module to send...
The Internet of Things (IoT) and cloud computing are the prime focus of the current research and development in all field of study. In this work, an attempt is made to enhance the integration of wireless sensor network (WSN) in IoT environment with cloud computing for health care system. IoT is a dynamic network infrastructure, that interconnects different sensor networks through Internet, acquire...
Requirement for high bandwidth traffic has been increasing very rapidly. Efficient and effective provisioning of resources is very important now-a-days. Due to the increase in number of users, providing sufficient bandwidth has become a difficult task for the service providers and network operators. Researchers have developed many techniques to resolve this issue but they have not reached to full...
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