Wireless Networks: How do they work?
Monday, June 1, 2009 17:41
Wireless networks use radio waves instead of cables to transmit data between computers. Proceed as follows:
The binary code update: 1s and 0s
It is known that the digital computer with binary: ones and zeros. It is also, for radio waves, since those 1s and 0s can be caused by different types of sounds. These beeps are so fast that the outside of H?rweite man.
Morse Code: points and lines
It works like Morse code, which is an average of the alphabet on the radio waves with dots (short beeps) and dashes (long beep). Morse code was used manually for years on Telegraph to obtain information from 1 place to another very quickly. More importantly for this example, but it is a binary system, a computer system.
Wireless networks, we may as Morse code for computers. Plug yourself in a combined radio receiver and transmitter and the computer can send you the amount of dots and dashes (bits, in computer language) for your data from here to there .
Wavelengths and frequencies
Perhaps you are wondering how the computer can send and receive data at high speed, without distortion of meaning. The key to wireless networks, such as To resolve this problem.
First, wireless transfers at very high frequencies, so that more data are sent per second. Most wireless connections with a frequency of 2.4 gigahertz (2.4 billion cycles per second) – like a mobile phone and microwave. However, this wavelength at high frequency, is very short, and that is why wireless networking is available only over short distances.
Wireless networks, a technology called “frequency hopping”. They use dozens of frequencies, and constantly switching between them. This makes wireless networks more immune against disturbances caused by other radio signals, unless it is based on a single frequency.
Internet Access Points
The last step for a network of wireless Internet access for all computers on the network. This is done by a part of the special called a wireless access point sets. An access point is more expensive than a wireless card for 1 computer, radios, to end communication with the approximately 100 computers, Internet access, the exchange between them. Dedicated access points are only needed for larger networks. Some computers it is possible, 1 of them as an access point or using a wireless router.
Industry standards
Wireless from different manufacturers can work together so that the communication complex because there are standards, guidelines for the production of all wireless devices. These standards are technically 802.11. Given that industry compliance with these standards, wireless networking is easy to use and accessible today.
Wireless network is easy to use
If talk of all these frequencies that concern you – relax. Wireless network equipment and software with all of this automatically without the user still needs to intervene. Wireless networks, for all its complicated ability, is much easier to use, as you might expect.
