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18 Jun 2009
doc

Optical fiber based communication systems

Thesis - 26 pages - Electronics, mechanics, engineering & technology

For years, fiber optics has been merely a system for piping light around corners and into the inaccessible places to allow the hidden to be lighted. But now, fiber optics has evolved into a system of significantly greater importance and use. Throughout the world, it is now being used to transmit...

16 Jun 2009
doc

One dimensional cellular automata based security scheme with both authentication and confidentiality

Thesis - 11 pages - Electronics, mechanics, engineering & technology

In the past few years organization have widely adopted local area network (LAN), wide area network (WAN) and internet to take advantages of advancement in technology1, 2. As a result of connecting private and internal network to the outside network, exchange of information is greatly facilitated....

16 Jun 2009
doc

Network security on Bluetooth

Essay - 5 pages - Electronics, mechanics, engineering & technology

Wireless communications offer organizations and users many benefits such as portability and flexibility, increased productivity, and lower installation costs. Wireless local area network (WLAN) devices, for instance, allow users to move their laptops from place to place within their offices...

16 Jun 2009
doc

Nano-robots: The molecular manipulators

Thesis - 8 pages - Electronics, mechanics, engineering & technology

A human fetus begins life as a single cell, and then divides to become two cells, then four, then eight and so on. Nanotechnology aims to build in a similar way, constructing objects out of their most basic components. A nanometer is a thousandth of a millionth of a meter. This is about as far...

16 Jun 2009
doc

Cellular communication technologies: Understanding how the cellular service works

Thesis - 7 pages - Electronics, mechanics, engineering & technology

Today's work force is demanding mobility, flexibility and real-time access to critical data. Over recent years, the trend towards the smaller and faster device, coupled with the need for information access on the move, has paved the way for a new technology of the Mobile Communications. Mobility...

11 Jun 2009
pdf

Location-based service over 3GPP IMS: Approaching real-time connectivity with the next generation of network communication

Essay - 5 pages - Electronics, mechanics, engineering & technology

Emerging mobile applications will need location information for delivering the right services to right persons at right places and time. A location-based service (LBS) is an information and entertainment service, accessible with mobile devices through the mobile network and utilizing the ability...

11 Jun 2009
pdf

Non inclusion property in chip multiprocessors with multi-level cache

Thesis - 5 pages - Electronics, mechanics, engineering & technology

Difference between speed of processor and memory is increasing with the advent of new technology. Chip Multi Processors (CMP) has further increased the pressure on the memory hierarchy. So it has become important to manage on chip memory very judiciously to reduce average memory access time....

11 Jun 2009
pdf

Motion picture compression technique used in digital television sets

Thesis - 5 pages - Electronics, mechanics, engineering & technology

Digital television is a completely new way of broadcasting and is the future of television. With the advent of digital technology, digital audio and video compression and other advanced signal processing, it is possible to transmit and receive broadband data over co-axial cable and through...

11 Jun 2009
pdf

Speech processing using wavelete transformation and its implementation in digital hearing aids

Thesis - 4 pages - Electronics, mechanics, engineering & technology

Hearing impairment is the number one chronic disability affecting people in the world. Many people have great difficulty in understanding speech with background noise. This is especially true for a large number of elderly people and the sensorineural impaired persons. Several investigations on...

11 Jun 2009
pdf

Implementation of vector quantization technique in image compression and speech recognition

Thesis - 6 pages - Electronics, mechanics, engineering & technology

In this paper, we have described the application of Vector Quantization in Image and Speech processing. Compressing image data by using Vector Quantization (VQ)[1]-[3] will compare Training Vectors with Codebook. The result is an index of position with minimum distortion. Basically there are...

09 Jun 2009
pdf

Wireless communication: Global positioning system

Thesis - 7 pages - Electronics, mechanics, engineering & technology

GPS technology is one of the significant inventions of the twentieth century. GPS has become a popular device in western countries but has not yet reached the household of the common man in India. With globalization, GPS and its related technology have been unable to penetrate the heart of Indian...

09 Jun 2009
pdf

Performance analysis of OFDM communication systems

Thesis - 5 pages - Electronics, mechanics, engineering & technology

Today life does not seem possible without wireless in some form or the other. The demands on bandwidth and spectral availability are endless. Consequently, wireless designers face an uphill task of limited availability of radio frequency spectrum and complex time varying problems in the wireless...

09 Jun 2009
pdf

Auto negotiation in IEEE 802.3 based layer 2 devices: A review

Thesis - 4 pages - Electronics, mechanics, engineering & technology

Auto Negotiation is an optional yet one of the standard Plug and Play features available in almost all modern day IEEE 802.3u (Fast Ethernet) and as a mandatory feature in IEEE 802.3ab Gigabit Ethernet compliant devices. Today's Fast Ethernet devices support multiple operational modes. The Auto...

09 Jun 2009
pdf

Mobile robotic arm and its future scope

Thesis - 4 pages - Electronics, mechanics, engineering & technology

A Robot can be defined as a programmable, self-controlled device consisting of electronic, electrical, or mechanical units. More generally, it is a machine that functions in place of a living agent. Robots are especially desirable for certain work functions because, unlike humans, they never get...

09 Jun 2009
pdf

Interactive information display embedded system designed using I2C protocol

Thesis - 4 pages - Electronics, mechanics, engineering & technology

With the growing importance of the embedded systems, the need to design embedded applications with microcontrollers having advance features is gaining prominence. In the presented work I2C protocol is used to make an interactive information display that can be used at various places for providing...

09 Jun 2009
pdf

Security challenges in wireless sensor networks

Thesis - 5 pages - Electronics, mechanics, engineering & technology

Wireless sensor networks (WSNs) are wireless ad hoc networks of tiny sensor nodes. As a result of advances in sensor technology and wireless communication, sensor networks have emerged as an indispensable and important new tool for multiple civilian and military applications, including patient...

09 Jun 2009
pdf

Developing a high speed memory interface

Thesis - 4 pages - Electronics, mechanics, engineering & technology

A common problem for today's system designers is to reliably interface with their next generation high-speed memory devices. As system bandwidths continue to increase, memory technologies have been optimized for higher speeds and performance. As a result, these next generation memory interfaces...

08 Jun 2009
pdf

Optical wireless communication

Thesis - 7 pages - Electronics, mechanics, engineering & technology

Today's information economy depends on the transmission of data, voice and multimedia across telecommunication networks. Optical networks remain the most ideal medium for high-bandwidth communications for true connectivity. There are two distinct types of optical communications: Fiber optics...

08 Jun 2009
pdf

Inverted suspended space fed microstrip antenna for wireless applications

Thesis - 6 pages - Electronics, mechanics, engineering & technology

The basic microstrip antenna (MSA) is a resonant patch of metal, etched on the surface of grounded dielectric slab. The dielectric material is replaced with air to improve the bandwidth and to minimize losses. The proposed space fed microstrip antenna (MSA) consists of fed patch and parasitic...

08 Jun 2009
pdf

WiBro technology

Thesis - 6 pages - Electronics, mechanics, engineering & technology

This technology is the latest advancement in Wireless Communication which presents drastic change in Wireless Internet and helps connect each and every person globally. It is the most advanced and upcoming technology now a days. WiBro is the Portable Internet Service to provide a high data rate...

08 Jun 2009
pdf

Brain finger-printing

Thesis - 5 pages - Electronics, mechanics, engineering & technology

Brain Fingerprinting Laboratories, Inc. has developed and patented EEG/P300 based testing systems that determines, with extremely high accuracy, whether or not specific information is stored in a person's memory. The test measures individual brain-wave responses to relevant words, pictures or...

08 Jun 2009
pdf

DSP based excitation controller for synchronous motor

Thesis - 5 pages - Electronics, mechanics, engineering & technology

Induction motors are widely used in industrial production processes. Use of an induction motor will result in increased lagging power factor. This power factor must be corrected by adding capacitors. If not, the result is the penalty of larger kVA burdens to the interconnected system. The...

08 Jun 2009
pdf

Commutative analysis of a stepper motor drive

Thesis - 7 pages - Electronics, mechanics, engineering & technology

In this paper, the designs of the various drives of the stepper motor are presented. The main objective of this paper is to analyze the various drives of the stepper motor. Basically the Design consist four sections. First part is power supply. We required two supply 5v and 12v. Second part is...

28 May 2009
doc

A comparative study of GSM & CDMA technology

Thesis - 16 pages - Electronics, mechanics, engineering & technology

The mobile industry in India is divided between the two technologies GSM and CDMA. While the earlier service providers had adopted the GSM technology, the new players have been using CDMA technology and have notched up a significant share of the Indian market. Hence any discussion on Mobile...

28 May 2009
doc

GIS training: Distribution system management

Thesis - 30 pages - Electronics, mechanics, engineering & technology

Reliable and sufficiently detailed data is required to facilitate decision making in all activities and Distribution System Management. Controlling costs improve efficiency and reducing down time has become essential for a utility in order to be successful in the highly competitive environment of...

27 May 2009
doc

An absolute security system with a password for sending secret data files

Dissertation - 52 pages - Electronics, mechanics, engineering & technology

This is a work done on “cryptography”. Conventionally, data is protected from unauthorized interception or eavesdropping by analog techniques. In a digital data security system, when you press a button in the DTMF generator set keypad for data send a connection is made that generates a...

27 May 2009
doc

A look at local area networks and some of its variants: With a special reference to Bharat Electronics Limited

Dissertation - 38 pages - Electronics, mechanics, engineering & technology

India, as a country, has been very lucky with regard to the introduction of telecom products. The first telegraph link was commissioned between Calcutta and Diamond Harbor in the year 1852, which was invented in 1876. First wireless communication equipment were introduced in Indian Army in the...

27 May 2009
doc

The architecture and functioning of OCB-283: The switching node in the Alcatel 1000E

Thesis - 20 pages - Electronics, mechanics, engineering & technology

This document relates to the O.C.B 283 system, switching node in the ALCATEL 1000E 10 switching system. It outlines the general architecture and operation of the O.C.B.283, both the fixed subscriber centers and the access exchange to services (G.S.M, IN). O.C.B.283 is digital switching system...

12 May 2009
ppt

Universal asynchronous receiver and transmitter (UART) (17 slides)

Presentation - 5 pages - Electronics, mechanics, engineering & technology

Serial communications is the process of sending data one bit at one time, sequentially, over a communication channel or computer bus. Serial communications is used for all long haul communications and most computer networks, where the cost of cable and synchronization difficulties make parallel...

05 May 2009
ppt

Smart wireless foot pedal: How to make one specific to medical equipment

Presentation - 25 pages - Electronics, mechanics, engineering & technology

In this project, we will be developing a micro controller based wireless foot pedal system to be used along with medical equipment. Most of the surgical equipments will be controlled by the foot pedals. Most of the surgical equipment will be controlled by the foot pedals. The parameters such as...