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BLUETOOTH. Presented By:- SUNITA RANI Roll no.RM6802A02 .
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BLUETOOTH Presented By:- SUNITA RANI Roll no.RM6802A02
Problem: Today, electronics that connect to one another are found everywhere--in the office, home, Car, etc. Keyboards connect to computers, MP3 players to headphones and so on. So, how do these devices connect to each other? Usually the answer is: with wires and cables. But, as you know, wires and cables always result in a tangled mess.
Bluetooth wireless technology eliminates many of the wires that clutter our offices, homes, etc., while allowing our electronic devices of today and tomorrow to communicate with one another. You Hear About it Everywhere Bluetooth technology has been around for years, however for many people it is just another “tech” term. Most people have little or no understanding of the technology and have very little knowledge of its applications. However, you hear and read about it everywhere--in ads for computers, Cell Phones, PDAs and all types of different devices enabled with Bluetooth technology. So, what is Bluetooth technology?
What is Bluetooth technology? Put simply, Bluetooth technology is a short-range wireless radio technology that allows electronic devices to connect to one another. Generally, Bluetooth has a range of up to 30 ft. or greater, depending on the Bluetooth Core Specification Version. Newer devices, using newer versions of Bluetooth, have ranges over 100 ft. Bluetooth wireless technology makes connections just like cables connect a computer to a keyboard, mouse, or printer, or how a wire connects an MP3 player to headphones. Bluetooth technology makes these same connections, except it does it without the cables and wires. With Bluetooth there is no more worrying about which cable goes where, while getting tangled in the mess. To learn more about the advantages of wireless technology, click: Wireless Advantages
Bluetooth Introduction • What Bluetooth stands for ? It is a wireless protocol utilizing short range communication technology facilitating data transmission over short distance from fixed or mobile devices, creating wireless network can also be known personal area network ( PAN ) • Intent for the development of Bluetooth ? With the creation of a single wireless protocol, capable of connecting, multiple devices and overcoming the problems arising with the synchronization of these devices. It can achieve a gross data rate of 1 Mb/s. Bluetooth provides a way to connect and exchange information between devices such as mobile phones, telephones, laptops, personal computers, printers
Bluetooth • Specifications And Features The Bluetooth specification was developed in 1994 by Jaap Haartsen and Sven Mattisson. The specifications were formalized by the Bluetooth Special Interest Group (SIG). The SIG was formally announced on May 20, 1998. Today it has a membership of over 7000 companies worldwide. It was established Ericsson, IBM, Intel, Toshiba and Nokia.
Bluetooth Versions of Bluetooth • Bluetooth 1.0 and 1.0B • Bluetooth 1.1 • Bluetooth 1.2 • Bluetooth 2.0
Bluetooth Bluetooth 1.0 and 1.0B Versions 1.0 and 1.0B had many problems, and manufacturers had difficulty making their products interoperable. Versions 1.0 and 1.0B also included mandatory Bluetooth hardware device address (BD_ADDR) transmission in the connection process (rendering anonymity impossible at the protocol level), which was a major setback for certain services planned for use in Bluetooth environments.
Bluetooth Bluetooth 1.1 • Ratified as IEEE Standard 802.15.1-2002. • Many errors found in the 1.0B specifications were fixed. • Added support for non-encrypted channels. • Received Signal Strength Indicator (RSSI).
Bluetooth Bluetooth 1.2 • This version is backward-compatible with 1.1 and the major enhancements include the following: • Faster Connection and Discovery • Higher transmission speeds in practice, up to 721 kbit/s, as in 1.1. • Extended Synchronous Connections (eSCO), which improve voice quality of audio links by allowing retransmissions of corrupted packets, and may optionally increase audio latency to provide better support for concurrent data transfer. • Ratified as IEEE Standard 802.15.1-2005
Bluetooth Bluetooth 2.0 According to the 2.0 specification, EDR provides the following benefits: • Three times faster transmission speed — up to 10 times (2.1 Mbit/s) in some cases. • Reduced complexity of multiple simultaneous connections due to additional bandwidth. • Lower power consumption through a reduced duty cycle. Bluetooth Special Interest Group (SIG) published the specification as "Bluetooth 2.0 + EDR" which implies that EDR is an optional feature. Aside from EDR, there are other minor improvements to the 2.0 specification, and products may claim compliance to "Bluetooth 2.0" without supporting the higher data rate.
Bluetooth Computer Requirements • A personal computer must have a Bluetooth adapter in order to be able to communicate with other Bluetooth devices (such as mobile phones, mice and keyboards). While some desktop computers and most recent laptops come with a built-in Bluetooth adapter, others will require an external one in the form of a dongle. Unlike its predecessor, IrDA, which requires a separate adapter for each device, Bluetooth allows multiple devices to communicate with a computer over a single adapter
Bluetooth • Computer Requirements
Bluetooth • Computer Requirements
Bluetooth Mobile Phone Requirements • A mobile phone that is Bluetooth enabled is able to pair with many devices. To ensure the broadest support of feature functionality together with legacy device support. The OMTP forum has recently published a recommendations paper, entitled "Bluetooth Local Connectivity", see external links below to download this paper. • This publication recommends two classes, Basic and Advanced, with requirements that cover imaging, printing, stereo audio and in car useage.
Bluetooth • Applications
Bluetooth More Prevalent Applications of Bluetooth Include: • Wireless networking between PCs in a confined space and where little bandwidth is required. • Wireless communications with PC input and output devices, the most common being the mouse, keyboard and printer. • Transfer of files between devices with OBEX. • Transfer of contact details, calendar appointments, and reminders between devices with OBEX.
Wireless communication between mobile handsets was the earliest and most common known transmission of blue tooth. Its commonly used for transferring games, pictures, songs, etc
Bluetooth Uses • Bluetooth is a standard and communications protocol primarily designed for low power consumption, with a short range (power-class-dependent: 1 meter, 10 meters, 100 meters) based on low-cost transceiver microchips in each device. • Bluetooth device class indicates the type of device and the supported services of which the information is transmitted during the discovery process.
Bluetooth More prevalent applications of Bluetooth include • Replacement of traditional wired serial communications in test equipment, GPS receivers, medical equipment, bar code scanners, and traffic control devices. • For controls where infrared was traditionally used. • Sending small advertisements from Bluetooth enabled advertising hoardings to other, discoverable, Bluetooth devices. • Two seventh-generation game consoles, Nintendo's Wii and Sony's PlayStation 3 use Bluetooth for their respective wireless controllers. • Dial-up internet access on personal computer or PDA using a data-capable mobile phone as a modem.
DEVICES USING BLUETOOTH TECHNOLOGY
BLUETOOTH RADIO FROM SATECHI
CELL PHONES USE BLUE TOOTH TECHNOLOGY
BLUE TOOTH TECHNOLOGY HAS BROUGHT A REVOLUTION MODERN TECHNOLOGY
THANK YOU FOR YOUR CO-OPERATION