How Wireless Technology Works

Topics: Electromagnetic spectrum, Electromagnetic radiation, Wireless Pages: 7 (1631 words) Published: June 21, 2013
Wireless Technology
Wireless Technology

Ethames Graduate School
Greenwich University
BSc in Computing

Ethames Graduate School
Greenwich University
BSc in Computing
Komal Sunil Savtale
The impact or the role of technology in our professional as well as personal lives is inevitable. For those who research its necessary to understanding how technology shapes people's interactions with each other and vice versa and the way natural world plays a vital role in order to develop and implement new technologies and also for all those people and organizations that have to use those technologies throughout their personal and professional lives.

Komal Sunil Savtale
The impact or the role of technology in our professional as well as personal lives is inevitable. For those who research its necessary to understanding how technology shapes people's interactions with each other and vice versa and the way natural world plays a vital role in order to develop and implement new technologies and also for all those people and organizations that have to use those technologies throughout their personal and professional lives.

Contents
Introduction2
What is Wireless Technology2
The wireless medium2
Frequencies and Regulations3
Wireless Transmission4
Transmission Impairments5
Antennas6
Satellite Systems6
Chronological Evolution of Wireless technology7
Emerging Wireless Technologies8

Introduction
The impact or the role of technology in our professional as well as personal lives is inevitable. For those who research its necessary to understanding how technology shapes people's interactions with each other and vice versa and the way natural world plays a vital role in order to develop and implement new technologies and also for all those people and organizations that have to use those technologies throughout their personal and professional lives. Technology is not a neutral word. Different people will give it different meaning depending on their viewpoint and context. In layman’s words Technology is basically the use of scientific knowledge in order to improve the way to do things. One would use scientific knowledge to invent machines or devices to make things easier to do. What is Wireless Technology

Wireless can be explained as telecommunications where electromagnetic waves carry the signal over part or the entire communication path. There are monitoring devices, like employ acoustic waves which are above the frequency of human tendencies to hear. Wireless Technology is basically a technology where you can connect to certain things without a cable. It communicates using infrared light or radio waves rather than using electrical current over wires. The distances differ depending on the purpose or application it may be long like thousands or millions of kilometers for radio communications or could be short such as a few meters as in television remote control. There are various well known and commonly used Wireless Technologies like Bluetooth, Wi Fi Wireless Fidelity, WiMax Worldwide Interoperability for Microwave Access. WiFi works in two frequency bands 2.4GHz and 5GHz. WiMAX works in two frequency bands, 2 - 11GHz and 10 - 66GHz

The wireless medium
The medium that is used in wireless technologies is basically the radio-frequency spectrum. It’s the entire spectrum of electromagnetic frequencies used for communications which also includes frequencies that are used for television as well as radio and radar. There are also specific frequency bands will be used by different types of wireless networks like Wireless PAN personal area networks, Wireless LAN, Wireless mesh network, Wireless MAN, Wireless WAN and also Cellular network and providers. A band is a small section of the spectrum of radio communication frequencies, in which channels are usually used or set aside for the same purpose. Wireless technology like Bluetooth uses radio waves.

Frequencies and Regulations
Frequencies within...
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