Spreading codes are used to distinguish users and spread the signal to occupy much wider band width than the minimum required band width. Spreading codes are also called as user codes. Walsh, Gold and Kasami codes are the popularly used Binary (2-level) user codes. This paper proposes new multi level...

Discrete Cosine Transform is one of the most important building blocks for the emerging video coding standard, H.264. In this paper, architecture for DCT computation, a hardware intensive operation, using dynamic partial reconfiguration is proposed. Field programmable gate array (FPGA), due to inherent...

Towards the end of the 20th century, we have seen an improved interest among Statisticians and Computer engineers to explore and extract data from data sources, by considering time as standard of measurement. However, some of the techniques used remains the same as that used in conventional data mining....

In this paper, Modified F slot loaded Complimentary split ring resonator inspired microstrip patch antenna for dual band WiMAX applications (3.5 GHz and 5.8 GHz) is proposed. We introduced Modified F slot in ground plane for the reduction of physical size. And Complimentary split ring resonator inspired...

The focus of this paper is on our contributions towards Single feed circularly polarized antennas. Single feed circularly polarized antennas are currently receiving much attention. Circular polarization is beneficial because current and future commercial and military applications require the additional...

The main contribution of this work is the determination of the optical flow of the image.It may be defined as the apparent movement of patterns of brightness in a sequence of images. Optical flow is caused by both motion of the observer and by motion of objects in the scene. The Optical flow algorithm...

Reversible logic has received great attention in the recent years due to their ability to reduce the power dissipation which is the main requirement in low power digital design. It has wide applications advanced computing, low power CMOS design, Optical information processing, DNA computing, bio information,...

Accessing remote services and data is one of the most important applications in Mobile Ad Hoc Networks. Data replication is one of the most popular techniques used to increase data availability by replicating frequently accessed data items locally or nearby. In MANETs, data replication helps to avoid...

This paper aims to optimize the multiband performance of a patch fractal antenna by varying the number of iterations of the Sierpinski’s carpet fractal and increasing number of layers of the patch. In this paper a Sierpinski’s carpet microstrip fractal antenna with three levels of iteration having multiband...

Software Defined Radio (SDR) platforms make use of Digital Down Converter (DDC) and Digital Up Converter (DUC), while performing baseband processing. In this paper, various filters being used in DDC as well as DUC sections of two different SDR platforms, USRPB100 and USRPN210 are considered. A simulation...

Traffic is the major problem which every country faces because of the increase in number of vehicles throughout the world, particularly in large urban areas. Therefore the need arises for simulating and optimizing traffic control algorithms to better accommodate this increasing demand. Fuzzy optimization...

The proposed microstrip antenna uses microstrip line feed technique. The proposed antenna has improved bandwidth over the structure with single spiral of similar dimensions. Here, Double- Spiral microstrip patch antenna has a bandwidth of 23.828 that lies between the range 1.926 GHz to 2.447 GHz and...

Delay Tolerant Network (DTN) is special type of wireless mobile ad hoc network characterized by intermittent connectivity, long or variable delay, asymmetric data rate and high error rates. In this paper we compare some of the well-known routing protocols namely Epidemic, Spray and Wait (SaW), Probabilistic...

In this paper we present a proposed design for rectangular micro strip patch antenna by cutting multiple notches. Using proposed antenna design and coaxial probe feeding at proper position, we will compare the resultant bandwidth with the previous results of normal rectangular, single notch and double...

In this paper we present a proposed design for U shaped rectangular micro strip patch antenna. Using proposed antenna design and coaxial feeding techniques at proper position, we receive the resultant bandwidth as a dual band bandwidth. We are using IE3D simulation software for designing and analysis....

A thinking machine is a system that perceives its environment, learns from it, and interacts with it intelligently as par the requirement in the prevailing situation. Knowledge representation in the EHCPRs system by employing multi encryption will enhance its learning; give better understanding, imagination...

VANETs is a subclass of Mobile ad hoc networks which provides a distinguished approach for Intelligent Transport System .It should be capable to handle high rate, often interrupt in connection .The quality of received wireless signal level degraded due to path-loss from various obstacles in path as a...

CMOS refers to both, reduction in size and power consumption. Here, the Dual Modulus Prescaler is to be fabricated in 90 nm technology. It basically comprises of AND logic which controls the pulses produced at the output i.e. 1 or 2 pulses that need to be generated at the output, from 256/257 input pulses...

The paper presents a quality analysis of the power of Dehradun Institute of Technology. Aspects such as magnitudes and phases of voltages and currents of all phases, power factor, voltage and current harmonic content, dips and swells, frequency stability, and inrush current were taken into account. These...

Abstract: Most of the industrial controllers in use today utilize PID controllers. In this paper four methods for tuning of a PID controller are compared. A mathematical model of the most commonly used dynamic system i.e., a d.c. motor is derived and a PID controller is used in conjunction to it. Ziegler-Nichols...

Nowadays the automation has become a basic need for the industries. Induction Motors are the nerves of many industries. Hence Industrial automation is required for precise and accurate operation. This paper proposes a wireless control and monitoring system for an induction motor based on Zigbee communication...