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Wireless Network Connections: How Do They Function?

by terhunetech on April 6, 2011

Wireless networks use radio waves rather than wires to transmit data in between computer systems. Here’s how:

The Binary Code: 1s and 0s

It is well known that computers transmit information digitally, utilizing binary code: ones and zeros. This translates nicely to radio waves, since those 1s and 0s can be represented by different sorts of beeps. These beeps are so quick that they’re outside the hearing range of humans.

Morse Code: Dots And Dashes

It functions like Morse code, which is a method to transmit the alphabet over radio waves utilizing dots (brief beeps) and dashes (lengthy beeps). Morse code was used manually for years via telegraph to obtain info from 1 location to an additional very rapidly. More importantly for this instance, although, it’s a binary system, just as being a computer system is.

Wireless networking, then, could be thought of as a Morse code for computers. You plug inside a combined radio receiver and transmitter, and the pc is able to deliver out its equivalent of dots and dashes (bits, in computer-speak) to get your data from here to there.

Wavelengths And Frequencies

You might wonder how the computer can send and obtain information at high speed without turning into garbled nonsense. The key to wireless networking is how it gets about this problem.

Initial, wireless transmissions are sent at very higher frequencies, which allows more information to be sent per 2nd. Most wireless connections use a frequency of 2.4 gigahertz (2.4 billion cycles per 2nd) — a frequency similar to mobile phones and microwave ovens. Nevertheless, this higher frequency produces a wavelength that’s extremely brief, that is why wireless networking is efficient only more than brief distances.

Wireless networks also use a technique called “frequency hopping.” They use dozens of frequencies, and constantly switch among them. This makes wireless networks more proof against interference from other radio signals than if they transmitted on the single frequency.

Web Entry Factors

The final step for a wireless network would be to offer internet access for every computer on the network. This really is carried out by a special piece of wireless gear called an entry stage. An access stage is much more expensive than a wireless card for one computer, simply because it consists of radios capable of communicating with around 100 computer systems, sharing internet entry among them. Devoted entry points are essential only for larger networks. With only a couple of computer systems, it’s possible to use 1 of them as the entry point, or to make use of a wireless router.

Industry Requirements

Wireless gear from different producers can work together to deal with these complex communications because you will find standards which manual the production of all wireless devices. These standards are technically called the 802.11. Because of industry compliance with these standards, wireless networking is both easy to make use of and affordable these days.

Wireless Is Easy To make use of

If all this talk of frequencies has you concerned — unwind. Wireless networking hardware and software handle all of this instantly, without require for user intervention. Wireless networking, for all its complicated capability, is far simpler to use than you might expect.

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