ANALYSIS AND DESIGN OF A WIRELESS LOCAL AREA NETWORK (A CASE STUDY OF UYO CITY POLYTECHNIC, UYO)

ANALYSIS AND DESIGN OF A WIRELESS LOCAL AREA NETWORK (A CASE STUDY OF UYO CITY POLYTECHNIC, UYO)

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ABSTRACT

Computer have been since the turn of the century and have their impart felt than in the area of information technology (i.e) information is the area to the growth and success of organization. It is the essential ingredient making. As a result of increase in growth in the need to improved information in relent year.

Gradually emphasis is shifting from manual to the electronic method of date transmission information system. The need for an efficient network in an organization cannot be over emphasized.

The project will analyses the viability of a local  area network and the component required for the network design, their specification as well as the Important steps to be taken in their installation step to be taken in their installation and management.

CHAPTER ONE

General Introduction

INTRODUCTION

Wireless Local Area Network (WLAN) have moved quickly to the mainstream and found in many educational institution, home, business and public area organization and consumers have been to take advantage of the flexibility adding wireless network can offer. A recent report from in-stall predicts that the wireless market will grow from 140 million wireless chipset a year 2005 to 430 million 2009. The emergence of new security standards has also increase confidence in WLANS. Users are becoming more familiar with the technology are caressingly expecting wireless access to be available.

A wireless Local Area network (WLAN) is told or more computers joined together using radio frequency (RF) transmission. This differs from a wired LAN which uses ladling to link together computer in a room, building, or site to from a network.

Although WLAN can be independent, they are more typically an extension to a conventional wired network they can allow user to access and share data , application , internet access or other network resource in the same way as wired network.

Wired LAN are typically used with wireless enable mobile device such notebook computer, PDSS, and tablet PCS .This allow user to take advantage of the flexibility, convenience and portability that WLANS can provide. Wireless networking is also appearing on other device such as mobile phone, digital cameras, handheld game consoles and other consumer electronic.


1.2       STATEMENT OF THE PROBLEM

It is very typical in every industry that as its client base continuous to grow the industry takes increase number of problems. In wireless networking such problems may likely to be poor network strength, no signal when the network is down, devices will only operate at a limited distance from an access point, with the distance largely determined by the standard used. And also network hacking etc.

1.3       SIGNIFINACE OF THE STUDY

Wireless network are now ubiquitous and a large number of institutions incorporated a wireless network in to their infrastructure. Wireless LAN will benefit the people and institution through the following ways:

Wireless network can be used by institutions or people to set and share data quickly whether it be in a small office building or across the world.

Through the use of wireless network, information could be sent behind enemy’s lines easily, efficiently and more reliably.

SCOPE OF THE STUDY

Wireless network renders the potent means for those people who intend to communicate by means of internet. This project is focused on wireless LAN and associated wireless technology.

LIMITATION OF STUDY

The various limitations encountered here can be broadly categorized under the following headings:

Hiding the content or the nature of a communication code, encryption an identity base.

Interference from other devices.

Limited bandwidth.

Lack of high quality media streaming.

Hiding the fact that communication takes place.

DEFINITION OF TERMS

WIRELESS: This is a transmission media in which data is being transmitted without using any cable.

ROUTERS: A router is an internet working device that forwards packets between networks by processing the routing information included in the packet.

BANDWIDTH: It refers to the data carrying capacity of a channel of medium.

THE WEB: This is a way of accessing information over the medium of the internet. It is an information sharing model that is built on top of the internet.

FIREWALL: A firewall is a network device for controlling security and access rule.

INTRANET: An intranet is a private computer network that uses internet protocols, network connectivity and possibly the public telecommunication system to securely share part of organizations information or operators with its employers.

NOISE ABSORPTION: It refers to susceptibility of the media to external electrical noise that cause distortion of data signal.

INFRASTRUCTURE MODE: It is used to connect computer with wire network adapters, also known as wireless clients, to an  existing wired network with the help from wireless router or access point.

APHOC MODE: It is used to connect wireless clients directly together, without the need for a wireless router or access point.

MICROWAVE: Are electromagnetic wave having frequencies between 1GHZ and 300 GHZ.

SWITCHES: A network switch is a device that forwards and filters OS layer 2 data grams between ports based on the MAC address in the packets.

COMMUNICATION PROTOCOL: This is a set of rules for exchanging information over network links.


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