Hello, everyone!
Today, I would like to share with you some basic components of wireless communication.
Communication technologies can be divided primarily into wired and wireless methods. In general, the basic communication system consists of three main parts that are always present in one form or another.
A transmission medium which is also called the physical channel that carries the signal. Next, the radio receiver is the destination of the radio signal, and this is where the radio signals are converted from electricity to sound for people to listen to.
Sometimes, communication systems are "duplex" (two-way systems) with a single electronics box acting as the transmitter and receiver or transceiver. For example, a cell phone is both a transmitter and a receiver. The transmitting electronics and the receiving electronics within the transceiver are actually completely independent of each other. This is easily explained by the fact that radio transmitters have power amplifiers that operate in watts or kilowatts, but radio receivers handle radio powers that are measured in microwatts or nanowatts.
Communication by radio broadcast is called radio communication because it is between a powerful transmitter and several low-power but sensitive radio receivers. As for communications in which multiple transmitters and multiple receivers are designed to cooperate and share the same physical channel, they are called multiplexing systems.
Sharing physical channels using multiplexes often involves very significant cost reductions. Multiplexing systems are placed in telecommunication networks, and the multiplexed signals in the node are converted to the correct destination receiving station.
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