WiFi & Bluetooth Isas

8/12/2019 WiFi & Bluetooth Isas

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Bluetooth And Wifi


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Presented By -

Derek Dcostaand Alton Lobo


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Bluetooth: History

Started by Ericsson mobile communications in 1994

Name comes from the 10th century Danish King Herald Bluetooth(A.D 940985)


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Bluetooth Logo

A Scandinavian firmoriginally designed

the logo at the timethe SIG was formallyintroduced to thepublic

The logo unites theRunic alphabetic

characters "H",which looks similarto an asterisk, and a"B", which are the

initials for HeraldBluetooth


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SIG & Technology over the years

SIG In September1998, five companies Ericsson, Nokia, IBM, Toshiba

and Intel formed a Special Interest Group (SIG).

The main tasks for the Bluetooth SIG.

Bluetooth Technology Over the Years

Bluetooth was officially introduced in 1998

The first Bluetooth core specification version 1.1 was introduced in1998

In 2003 Bluetooth core specification version 1.2 was adopted by theBluetooth SIG

In 2004,Bluetooth version 2.0 + EDR(Enhanced data rate) wasintroduced

In 2009,Bluetooth SIG adopted core specification version 3.0


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Product Association

Phone : Music, data.

Laptop : Transfer data ,connect to variousgadgets.

Printer : Wireless print data, photos.

Camera : Send images to printer, mobile, pc


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Product Association

TV : Unique slide show.

Headset : Keep your hands free.

Photo Viewer : Without memory cards

Gaming : Wireless controllers.


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Advantages of Bluetooth

1. Bluetooth Devices are Wireless

2. Bluetooth Technology is Inexpensive

3. Multiple Product Association.

4. Low Energy Consumption

5. Bluetooth is Automatic.


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How does Bluetooth Work?

Frequency 2.4Ghz

Standard protocol

PAN / Piconet Master & Slave

Profile

Hopping - AFH


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The Future of Bluetooth

It meets a basic need of connectivity in close proximityhence high demand expected to grow

Since the formation of the original group, more than1800 manufacturers worldwide have joined theinitiative worldwide

Adoption of smart phones and handheld devices,Bluetooth will have tremendous effects on everyday

life

Combining with other technologies e.g. 4G and 5G


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Products that use Bluetooth

Modern office Pc

Keyboard / mouse

PDA

Printer

Headset

Others Digi cam, mp3 player


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WiFi

Introduction

It is a Popular wireless networking technologythat uses radio waves to provide wireless high-speed Internet and network connections

What is

WiFi?

August 1999 Interbrand Corporation

IEEE 802.11b Direct Sequence

Hi-Fi (high fidelity)

Wireless Fidelity

Why thenameWiFi ?


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History of WiFi

1991Invented in?

By NCR Corporation/AT&T (later on Lucent & AgereSystems) in Nieuwegein, the Netherlands

Vic ayeswho is the inventor of Wi-Fi has beennamed 'father of Wi-Fi' and was with his team involved indesigning standards such as IEEE802.11b, 802.11a and802.11g.

InventedBy ?

WiFi alliance

In 1999, the Wi-Fi Alliance was formed as a tradeassociation to hold the Wi-Fi trademark under whichmost products are sold.

Currently

owned by ?


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What does it require to Set up A WiFi:-

2.4 ghz

5 ghzRouter

Internal

External:USB

WirelessAdapter

Smartphone, Pc

Laptop,Netbook

Receiver


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How Does Wifi Works ?

RadioFrequency

Waves

5 ghz

Expensiverouters

Inexpensiverouters

2.4 ghz


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How Wifi works while sharing internet-

Computer A

Request

Router


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How Wifi works while sharing internet-

Wired Signals

INTERNETComputer A

Modem


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How Wifi Works While Sharing Data :-

Computer BComputer A

RequestTake

Route

Router


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How Wifi Works ?


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Network Security

Is it safe for You to transmit confidential data and file

when you are on Wifi ?

Nowhen You dont have proper security and you

may fall prey to hackers as WiFi is a easiest network

to HACK.


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Network Security

MEASURES FOR SAFETY Always keep your Firewall on.

Install quality and licenced Anti-virus like

McAFFE , AVG, Microsoft security essentials.

Always assign passwords to your wireless

connection which will protect it from

unauthorised use like hackers. And always use encryption software while

transferring the data to other device.


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VPN

d d d f


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Advantages and Disadvantages of

Wifi -

ADVANTAGES:- Mobile Computing

Flexibility

Low cost of Implementation

DISADVANTAGES:-

Weak security

Interference Limited range

Health issues


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Conclusion

Wifi is a user friendly technology which will beused at a large extent in future


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Biblography

http://www.authorstream.com/

www.wikipedia.org

http://www.youtube.com/watch?v=AJxrdUfvff

Q

http://www.ehow.com/info_8586580_advant

ages-disadvantages-wifi.html


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Questions ???

WiFi & Bluetooth Isas

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