Disadvantages Of Wireless Communication
Wireless communication is the use of EM waves to transfer data between two users. A modern society that is developed by a key element called Wireless communication. Transmission from satellite, radio and television broadcasting to the now ubiquitous mobile telephone, wireless communications has revolutionized the way societies function [26]. When compared with earlier successful wired communication Wireless communication has many advantages. These are its portability, flexibility and coverage. Portability implies the freedom a hand-held device like a cell phone offers the user. The ability to add/remove devices into existing networks to without any changes in hardware that implies Flexibility. Technologies such as cellular radio enable users to move over a large area providing them coverage.
WIRELESS COMMUNICATION BLOCK The wireless communication system has three fundamental blocks like any communication system are. 1. Transmitter 2. Receiver .3. Channel .When the person who conversing with two people has to convey a message (transmitter) has to turn it into words and speak. On receiving the speech signals by the recipient (receiver) that signals are decoded and interprets the message. It is difficult for the recipient to guess the message when the environment (channel) is noisy. The speaker loudness depends on the success rate of deciphering the message, the recipient ear sensitivity, and his intelligence to guess it. Similarly, in a wireless communication system, an
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1794 Words | 8 PagesCellphones is also known as cellular phone; it is a transportable telephone that sends and receives radio signals through a network. Cellphone has a huge impact on people because it plays a major role in our daily communication; especially it helps us connect to other people easier. It gives us a chance of having access to different ability like keeping in touch with our family members, businesses relationships and more while we are in different places. However before the use of cell phone, people had desperate needs of mobile communication, so they had installed radiotelephones in their car. It was not effective and inconvenient to use, the main reason was the size, which was too big, and the use of phone was limited because it requires a powerful transmitter.
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960 Words | 4 PagesIntroduction Information communication technology provides the society with new communication capabilities. People can now communicate with others using videos from others of different parts of the world, instant messaging, social media sites like face book, twitter which allows people to remain in contact and communicate and share information easily and on regular basis. The world has become a global village. Internet and computer has made the communication process very fast and has also united people.
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