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Bluetooth Application Development - Essay Example

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The recent steps along the wireless technological frontier and a host of technological innovations have revolutionized wireless broadband Internet access and provided many new and exciting opportunities. However, much is left to be desired in the "last mile" or rather "last few feet"…
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Bluetooth Application Development
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Bluetooth Application Development

Download file to see previous pages... However, when it comes to synchronizing the PDA with the laptop or the phonebook in the cellular phone with PDA/Laptop or just exchanging information with a friend via laptop/PDA one would still need to either use cables to connect the two devices or remove them or have them specifically aligned (as in using Infrared). In either case, the process is quite cumbersome and does not happen without effort. This last bit of the network, which involves ones personal appliance, is referred to as the Personal Area Network (PAN).
Ericsson, Nokia, IBM and a host of other companies together developed the Bluetooth wireless specification to specifically address the Personal Area Networking needs. Bluetooth is a short-range, low-cost, small from-factor and secure wireless solution that promises to completely eliminate the need for all data cables connecting the devices in homes and offices. One of the strongest and most attractive features of Bluetooth is its ability to form ad hoc networks. That is, when ever Bluetooth devices are in range of each other they could automatically discover the others presence and even make services related enquiries of each other without any user intervention whatsoever.
Is there any significant evidence to prove that the Bluetooth is a short-range, low-cost, small from-factor and secure wireless solution Whereas everybody knows that it promises to completely el...
n support of starters, it installs in a different way on nearly all phones, not every PCs have Bluetooth integrated, and there's a jumble of mismatched versions. Further we talk about that there are compound "stacks" for Bluetooth, such as WIDCOMM or RFCOMM. It's sufficient to make us desire to plug in a USB cable. Understand on as we expose Bluetooth and give details how to make it work with popular phones. The excellent news: just the once configured, Bluetooth is appealing efficient for swapping data wirelessly.
How does Bluetooth work
From a user's point of view, there are three important features to Bluetooth:
It's wireless. When you travel, you don't have to worry about keeping track of a briefcase full of cables to attach all of your components, and you can design your office without wondering where all the wires will go.
It's inexpensive.
You don't have to think about it. Bluetooth doesn't require you to do anything special to make it work. The devices find one another and strike up a conversation without any user input at all.
Bluetooth communicates on a frequency of 2.45 gigahertz, which has been set aside by international agreement for the use of industrial, scientific and medical devices (ISM). A number of devices that you may already use take advantage of this same radio-frequency band. Baby monitors, garage-door openers and the newest generation of cordless phones all make use of frequencies in the ISM band.
To avoid interference Bluetooth uses a technique called spread-spectrum frequency hopping. In this technique, a device will use 79 individual, randomly chosen frequencies within a designated range, changing from one to another on a regular basis. In the case of Bluetooth, the transmitters change frequencies 1,600 times every second, meaning that more ...Download file to see next pagesRead More
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