Channel Model
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In telecommunications and computer networking, a communication channel, or channel, refers either to a physical transmission medium such as a wire, or to a connection-oriented communication|logical connection over a multiplexing|multiplexed medium such as a radio channel. A channel is used to information transfer|convey an information signal, for example a digital bit stream, from one or several senders (or transmitters) to one or several receiver (information theory)|receivers. A channel has a certain capacity for transmitting information, often measured by its Bandwidth (signal processing)|bandwidth in Hz or its Data signaling rate|data rate in bit rate|bits per second.Communicating data from one location to another requires some form of pathway or medium. These pathways, called communication channels, use two types of media: cable (twisted-pair wire, cable, and fiber-optic cable) and broadcast (microwave, satellite, radio, and infrared). Cable or wireline media use physical wires...
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