All About Bluetooth - Mobile, Wireless Technology
This is a series of articles concerned with the latest wireless technology ‘The Bluetooth’. A article on one of the malaylam news weekly named ‘Blue Truth’ has persuaded me to write about this mobile and wireless technology. This technology is common nowadays and more and more electronic equipments are getting the feature of bluetooth. Through the series of articles i have tried to provide all sorts of information regarding this new and innovative technology. Hope this series of articles will be helpful in provided you with the much needed information regarding Bluetooth. Don’t forget to comment your thoughts !!!
The series of articles starts with an Introduction on Bluetooth
Bluetooth was designed to enable low-bandwidth wireless connections to become user-friendly so that even those who are new to wireless can use them. Version 1.1 of Bluetooth describes a low energy consumption, the short-range wireless network technology that uses radio waves to send data at speeds up to 720 kilobits per second.
The Bluetooth specification provides for different categories of radio that allow the transmission ranges of up to 100 metres in reinforcing the power of radio. The Bluetooth technology isn ‘t confined to the line transmission of view because it uses waves directional who are able to pass through many obstacles.
Bluetooth is an industry standard for communication Wireless, which means that it allows connection Other devices such as cellular phones, computers, digital cameras, and other types of electronic devices. The specification of Bluetooth defines a radio system and a stack protocol layers and profiles. layer is the highest application layer, while the lowest is the layer radio.
The Bluetooth wireless technology is position to revolutionize the market for personal connectivity offering freedom of embarrassing fixed lines.
The Bluetooth specification eliminates the need for cables by providing a small form factor, low cost wireless solution that will link computers, cellular phones and other electronic devices. Bluetooth also allows users to connect many devices ranges quick and easy communications and widens and capabilities.
The size of the Bluetooth radio is surprising, as a Bluetooth radio can be built in one or two very Small chips then incorporated into any electronic device where wireless operations would be a advantage.
Bluetooth also offers a strong link, which ensures that operating conditions are not normal
interrupted by interference from other signals operating in the same band.
Also known worldwide for its operation, Bluetooth radio operating at 2.4 GHz frequency band, licence is free and accessible to all types of radio system in the world. No matter where you are in the world, you can count on Bluetooth to work.
Security is also important. Advanced Placement security mechanisms, Bluetooth provides a high level of security. Hence, the authentication prevent access to important data and
make it very difficult to listen in.
Bluetooth also has the power optimization. The radio friendly is power and Bluetooth software is very configurable, thus limiting energy consumption of the equipment. The radio itself consumes only a small amount of power a cellular phone.
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Bluetooth Future
Because it meets the basic needs of connectivity in close range, Bluetooth has a very bright future ahead of it. Bluetooth is actually the result of initiatives from nine leading communications and computer industry giants, including 3-COM, Sony, Lucent, IBM, Nokia, Microsoft, etc.
Since the forming of the original group, more than 1,800 manufacturers around the world have joined the initiative. According to reports, the Bluetooth technology is expected to be built into more than 100 million devices, with over 670 million enabled Bluetooth devices.
Resulting from the amazing success of WAP (Wireless Application Protocol), the adoption of smart phones and hand held devices, Bluetooth can easily have an amazing impact on your day to day life. Bluetooth is one of the key technologies that can help to make the mobile information society happen, by blurring the possibilities between home, the office,
and the outside world.
The seamless integration and connectivity that Bluetooth promises will make it possible to explore a wide range of interactive and highly transparent personalized services which were actually quite difficult to dream of simply because of the complexity involved with making such devices communicate with each other.
Many Bluetooth pilot products have already been rolled into the market and backed by big vendors, which is a healthy sign for the overall acceptance of the technology. The support for Bluetooth isn’t limited to companies that develop only Bluetooth enabled products.
The applications for Bluetooth can have great impacts on other industries as well. The adoption of Bluetooth technology is expected to spread throughout the industry of computers.
Unlike infrared technology, Bluetooth is used by many different wireless devices. Bluetooth offers exceptional quality for short range wireless, even going through walls and obstructions. While infrared is the biggest competitor at this time, Bluetooth far surpasses it, proving to millions that it is the wireless communication technology of the
present day and age.
In the beginning, Bluetooth started with version 1.0, then gradually moved from there. The current version is 2.0+EDR, with another version currently in development. The technology behind the Bluetooth specification always getting better and better, which is why it’s so popular.
In the future, you can expect the technology behind Bluetooth to get better. Bluetooth has
proven to be the wireless standard of the future, offering you wireless connectability for hundreds of different devices. For cell phones or other forms of wireless connections, Bluetooth is the one technology that you don’t want to find yourself without.
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Basics of Bluetooth
The technology of Bluetooth wireless is a short range communications method intended to replace the cables that connect portable or fixed devices while maintaining the highest levels of security.
The key features offered by Bluetooth include low power and low cost. The specification in
Bluetooth defines a uniform structure for a wide range of devices to communicate and connect with one another.
The technology behind Bluetooth has achieved global satisfaction such as enabled devices, almost everywhere in the world. Bluetooth devices will connect and communicate without wires through short range and networks known as piconets.
Each device will simultaneously communicate with up to seven other devices within a single piconet, meaning that each device can also belong to several piconets simultaneously. The piconets are dynamically established as Bluetooth enabled devices enter and leave the proximity of radio.
A fundamental to Bluetooth strength is the ability to handle both data and voice transmissions simultaneously. This will enable users to enjoy varieties of innovative solutions such as hands free talking, printing and fax capabilities, and other applications.
Specifications
Unlike other standards of wireless, the Bluetooth specification gives product developers both a link layer and application layer definitions, which will help support data and voice applications.
Spectrum
The Bluetooth technology operates in the industrial and scientific band at 2.4 to 2.485 GHz, using a spread spectrum, frequency hopping signal.
Interference
The adaptive frequency hopping of Bluetooth technology was designed to reduce interference between wireless technologies that share the 2.4 GHz spectrum. Adaptive frequency hopping (AFH) works well within the spectrum to take full advantage of the frequency available.
AFH hopping allows for more efficient transmission within the spectrum, which provides users with greater performance even if they are using other technologies along with Bluetooth.
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