Definition

The accelerated growth of content-rich applications that demand high bandwidth has changed the nature of information networks. High-speed communication is now an ordinary requirement throughout business, government, academic, and work-at-home environments. High-speed Internet access, telecommuting, and remote LAN access are three services that network access providers clearly must offer. These rapidly growing applications are placing a new level of demand on the telephone infrastructure, in particular, the local loop portion of ....etc

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ABSTRACT
ADSL
Assymetric Digital Subscriber Line

ADSL can practically transform the existing public information network from one limited to voice, text and low resolution graphics to a powerful, ubiquitous system capable of carrying multimedia, including full motion video, to everyone's home.
ADSL works by splitting the phone line into two frequency ranges. The frequencies below 4 kHz are reserved for voice, and the range above that is used for data.
ADSL provides always-on high-speed Internet ac ....etc

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ABSTRACT

A SIM (subscriber Identity Module) is a removable smart card for mobile phones. It contains subscriber information, such as the IMSI (International Mobile Subscriber Identity). It can also be used to store user-defined information such as phonebook entries.
The use of SIM card is mandatory in GSM world. There are two types of SIM operating system Native and Java card. The SIM card is activated in an environment using five stage process called, authentication process.

INTRODUCTION

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Definition

The accelerated growth of content-rich applications that demand high bandwidth has changed the nature of information networks. High-speed communication is now an ordinary requirement throughout business, government, academic, and work-at-home environments. High-speed Internet access, telecommuting, and remote LAN access are three services that network access providers clearly must offer. These rapidly growing applications are placing a new level of demand on the telephone infrastructure, in particular, the local loop portion of ....etc

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Positioning a Mobile Subscriber in a Cellular Network System based on Signal Strength



INTRODUCTION

In positioning a mobile subscriber (Location
Tracking), a mobile user is provided with
information pertaining to its current position. It
is one of the popular areas of wireless
computing research. Researchers paid attention
to Positioning Systems after the Federal
Communications Commission (FCC), mandated
that all wireless carriers in the United States
must provide a certa ....etc

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Asymmetrical Digital Subscriber Line

1.Links subscriber and internet service provider only for residential users.

2.Uses existing local loops.

3.Uses currently installed twisted pair cable.

4.Can carry broader spectrum of 1MHz or more.

ADSL CONFIGURATION

The twisted pair local loop is actually capable of handling bandwidths up to 1.1Mhz, but the filter installed at the end office of the telephone company where each local loop terminates limits the bandwidth to 4Khz(for voice comm.). If the filter is removed the entire 1.1Mhz i ....etc

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Novel Mobile Network Service for Road Safety

I. Introduction
In most of the developing countries, mobile penetration is
strongly correlated with economic growth and social
benefits. New mobile devices, services and applications
were developed. The whole computing and communication
paradigms were shifted to mobile domain. The area of
Mobile Computing there is considerable research work
done in the field over the past one decade. There are
research work on Ad hoc network protocols,
communication, computin ....etc

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What is an Airtel Postpaid connection?
An Airtel Postpaid connection also called a billing connection is where you will be charged on a monthly basis post usage of the mobile services.
Are there any initial payments to be made to avail an Airtel Postpaid connection?
To avail Airtel Postpaid connection, a one-time activation fee and a refundable security deposit is required.
From where can I buy an Airtel Postpaid connection?
Airtel Postpaid connection can be conveniently purchased from dedicated Airtel outlets. All you need to do is visit ....etc

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please give me some information about emergency service for subscriber safety in tracking ....etc

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Asymmetric Digital Subscriber Line (ADSL)

ABSTRACT

Asymmetric Digital Subscriber Line (ADSL) is a new modem technology that converts existing twisted-pair telephone lines into access paths for multimedia and high speed data communications. ADSL will play a crucial role over the next ten or more years as telephone companies enter new markets for delivering information at high speeds in various formats including video and multimedia formats. It has become the most familiar method of internet communication for hom ....etc

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