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Communication And Communication: The Components Of Wireless Communication

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The term “Wireless communication” was introduced in the 19th century and this technology has been developed over the subsequent years. It all began when Marconi succeeded in transmitting radio transmissions over the Atlantic and today every part of the world is within one’s reach. Wireless communication is the transfer of information between two or more points that are not connected by an electrical conductor. It is one of the most important mediums of transmission of information from one device to other devices. This technology reduces the requirement of any cables or wires for transmission of information. The messages can be transmitted through air by using electromagnetic waves like IR, RF, and Microwaves etc. They are present everywhere around us ranging from Laptops to Mobile phones to Bluetooth Technology to WI-FI and many more.

Components of Wireless Communication System-
The source- It is the origin of a message, which can be a human voice, a television video or any other form of data. The message is then converted by an input transducer into an electrical waveform like voltages or current. The transmitter- It basically modifies the message signal for transmitting efficiently. The transmitter generally consists of one or more of the following subsystems: a pre-emphasizer, a sampler, a quantizer, a coder and a modulator. All these components have specific functions which make the signal feasible to be transmitted wirelessly. The channel- It is a medium through

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