COMPUTER NETWORKING USING WIRELESS NETWORK


COMPUTER NETWORKING USING WIRELESS NETWORK

                                                   

ABSTRACT

The study centers on computer networking using a wireless network, the study has the following objectives, to provide an overview of wireless networks, to examine the different types of wireless networks, to determine the structure and components of a wireless network, and to analyze the advantages of the wireless network.

Concerning the methodology for this study, questionnaires and interviews are research instruments used in the collection of data. The collected data will be coded, tabulated, and analyzed according to the research question and hypothesis. In order to analyze the data collected effectively and efficiently for easy management and accuracy, the simple percentage method was the analytical tool used for this research project and a sample size of two hundred (200) will be represented by 100% for easy analysis of the responses. The Convenient sampling technique was used in selecting 50 computer science students in the University from the entire population. Also, the Correlation statistical analytical method will be used in the research work. Finding from the survey revealed that computer networking can be carried out using a wireless network, wireless networks are in components.

This research will educate the general public on the details about computer networking with more emphasis on wireless networks. It will also familiarize students and the general public about the structure and components of wireless networks and most importantly the various types of wireless networks that exist.

TABLE OF CONTENTS

Title Page    -    -    -    -    -    -    -    -    -    i

Approval Page    -    -    -    -    -    -    -    -    ii

Declaration    -    -    -    -    -    -    -    -    iii

Dedication    -    -    -    -    -    -    -    -    -    iv

Acknowledgement    -    -    -    -    -    -    -    v

Abstract    -    -    -    -    -    -    -    -    -    vi

Table of Contents    -    -    -    -    -    -    -    vii

CHAPTER ONE – INTRODUCTION

1.1    Background of the Study    -    -    -    -    -   

1.2    Statement of General Problem    -    -    -    -   

1.3    Objective of the Study    -    -    -    -    -    -   

1.4    Research Questions    -    -    -    -    -    -   

1.5    Hypothesis   -      -      -      -      -      -      -        -        -        

1.6    Significance of the Study    -    -    -    -    -   

1.7    Scope of the Study    -    -    -    -    -    -   

1.8    Definition of Terms    -    -    -    -    -    -   

CHAPTER TWO – REVIEW OF RELATED LITERATURE

2.1    Introduction    -    -    -    -    -    -    -   

2.2    Theoretical Framework    -    -    -    -    -   

2.3 The concept of the internet    -    -    -       -    -

2.4. Characteristics of internet goods        -    -    -

2.4.1. The physical layer     -    -    -    -    -    -    -

2.4.2 The content layer       -    -    -    -    -    -    -

2.5 Internet wireless network   -    -    -    -    -    -   

2.5.1 How bandwidth is achieved from rf signals -     -    -

CHAPTER THREE – RESEARCH METHODOLOGY

3.1    Introduction    -    -    -    -    -    -    -    32

3.2    Research Design    -    -    -    -    -    -    32

3.3    Area of the Study    -    -    -    -    -    -    32

3.4    Population of Study    -    -    -    -    -    -    33

3.5    Sample size and Sampling Techniques    -    -    -    33

3.6    Instrument for Data Collection    -    -    -    -    33

3.7    Validity of the Instrument    -    -    -    -    -    33

3.8    Reliability of the Instrument    -    -    -    -    34

3.9    Method of Data Collection    -    -    -    -    -    34

3.10    Method of Data Analysis    -    -    -    -    -    34

CHAPTER FOUR – DATA PRESENTATION AND ANALYSIS

4.0    Introduction    -    -    -    -    -    -    -    36

4.1    Data Presentation and Analysis    -    -    -    -    36

4.2    Characteristics of the Respondents    -    -    -    36

4.3    Data Analysis    -    -    -    -    -    -    -    39

4.4    Testing Hypothesis    -    -    -    -    -    -    46

4.5    Summary of Findings    -    -    -    -    -    -    51

4.6    Discussion of Findings    -    -    -    -    -    52

CHAPTER FIVE – SUMMARY, CONCLUSION AND RECOMMENDATION

5.0    Introduction    -    -    -    -    -    -    -    54

5.1    Summary    -    -    -    -    -    -    -    -    54

5.2    Conclusion    -    -    -    -    -    -    -    -    57

5.3    Recommendations    -    -    -    -    -    -    58

    References -    -    -    -    -    -    -    -    61

Appendix    -    -    -    -    -    -    -    -    62

CHAPTER ONE

INTRODUCTION

1.1   BACKGROUND TO THE STUDY

A computer network or data network is a telecommunications network that allows computers to exchange data. In computer networks, networked computing devices pass data to each other along with network links (data connections). The connections between nodes are established using either cable media or wireless media. The best-known computer network is the Internet (Wikipedia, 2015).

Network computer devices that originate, route, and terminate the data are called network nodes. Nodes can include hosts such as personal computers, phones, servers as well as networking hardware. Two such devices can be said to be networked together when one device is able to exchange information with the other device, whether or not they have a direct connection to each other (Geier, 2001).

Computer networks differ in the transmission media used to carry their signals, the communications protocols to organize network traffic, the network's size, topology, and organizational intent. In most cases, communications protocols are layered on (i.e. work using) other more specific or more general communications protocols, except for the physical layer that directly deals with the transmission media. Computer networks support applications such as access to the World Wide Web, shared use of application and storage servers, printers, and fax machines, and use of email and instant messaging applications (Wikipedia, 2015).

A wireless network is any type of computer network that uses wireless data connections for connecting network nodes. Wireless networking is a method by which homes, telecommunications networks, and enterprise (business) installations avoid the costly process of introducing cables into a building, or as a connection between various equipment locations. Wireless telecommunications networks are generally implemented and administered using radio communication. This implementation takes place at the physical level (layer) of the OSI model network structure. Examples of wireless networks include cell phone networks, Wi-Fi local networks, and terrestrial microwave networks.

Wireless media uses the antennas for sending and receiving electromagnetic waves without using any physical conductors. Radio frequencies (RF) are generated by antennas that propagate the waves into the air. According to Molisch (2005), antennas for wireless transmission can be fall under two different categories:

Directional antennas: Directional antennas are commonly used in point-to-point configurations connecting two distant buildings LANs, and sometimes point-to-multipoint (connecting two WLANs). In this, sending and receiving antenna must be properly aligned for proper transmission. An example of a directional antenna is a Yagi antenna: this antenna allows you to adjust the direction and focus of the signal to strengthen the range/reach. Omni-directional antennas:  Omni-directional antennas are used in point-to-multi-point configurations, where they distribute the wireless signal to other computers or devices in WLAN. An access point would use an Omni-directional antenna. These antennas can also be used for point-to-point connections. In this, the signal is spread in all directions and can be received by an antenna that is compatible to receive the signals.

However, this study is aimed at providing an overview of computer networking with specific emphasis on wireless networks.

1.2   STATEMENT OF THE PROBLEM

The wireless network is a network through which data signals flow through the air. It’s useful for people to communicate and access applications and information without wires (Rappaport, 2002). It allows people to interact with e-mail or browse the Internet from a location that they prefer. Wireless networks are not bound to a channel to follow like wired networks. Wireless networking is less expensive and much easier to install than more traditional wired networking. Wireless networking is used at the airport, or in hotel lobbies, and a small office or home network, etc. The transmitted distance can be anywhere between a few meters as a television’s remote control and thousands of kilometers as radio communication.

The wireless network uses the antennas for sending and receiving the electromagnetic waves without using any physical conductors. Radio frequencies (RF) are generated by antennas that propagate the waves into the air (Rhoton, 2001). A detailed overview of the wireless networks will be highlighted in this study.

1.3   OBJECTIVES OF THE STUDY

The following are the objectives of this study:

To provide an overview on wireless network To examine the different types of the wireless network To determine the structure and components of a wireless network To analyze the advantages of wireless network

1.4   RESEARCH QUESTIONS

What is a wireless network? What are the different types of wireless networks? What are the structure and components of a wireless network? What are the advantages of the wireless network?

1.6   SIGNIFICANCE OF THE STUDY

This study on computer networking using the wireless network has the following significance:

It will educate the general public on the details about computer networking with more emphasis on wireless networks. It will also familiarize students and the general public about the structure and components of wireless networks and most importantly the various types of wireless networks that exist. This research will be a contribution to the body of literature in the area of the relationship between performance assessment and investment decisions, thereby constituting the empirical literature for future research in the subject area.

1.7   SCOPE OF THE STUDY

This study on computer networking using wireless networks will provide an overview of computer networking with more emphasis on wireless networks. It will also cover all the types of wireless network that exists, structure and components of the wireless network.

1.8   DEFINITION OF TERMS

Computer: an electronic device that is capable of receiving information (data) in a particular form and of performing a sequence of operations in accordance with a predetermined but variable set of procedural instructions (program) to produce a result in the form of information or signals.

Networking: connection of computers together in order to make them share information

Internet: a global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols

Communication: the imparting or exchanging of information by speaking, writing, or using some other medium.

Wireless network: wireless is the term used to describe any computer network where there is no physical wired connection between sender and receiver, but rather the network is connected by radio waves and/or microwaves to maintain communications.

REFERENCES

Geier, J. (2001). Wireless LANs. Sams; ISBN 0-672-32058-4.

Molisch, A. (2005). Wireless Communications. Wiley-IEEE Press. ISBN 0-470-84888-X.

Rappaport, T. (2002). Wireless Communications: Principles and Practice. Prentice-Hall. ISBN 0-13-042232-0.

Rhoton, J. (2001). The Wireless Internet Explained. Digital Press. ISBN 1-55558-257-5.

Kostas P. (2005). "Wireless Data Networks". Internet Protocol Journal 8 (1). Retrieved 29 August 2011.

Wikipedia (2015):

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COMPUTER NETWORKING USING WIRELESS NETWORK



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