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The study of communication focuses on exchanging information between locations or preserving it for future access. A communication setup consists of two key points: a sender station and a receiver station. These networks are systems of interconnected stations that can pass information along, using intermediate points as relays. Multiple elements contribute to information transfer within these systems. First is data compression, which minimizes how information is represented. Next comes modulation, converting data into transmittable waveforms. Additionally, error control coding helps rectify mistakes during reception. System effectiveness is often gauged by decoding accuracy, signal reconstruction fidelity, and energy efficiency. Networked communication requires several components for transmitting data through relay stations. Medium access control determines transmission timing and station selection, while routing establishes the relay path between stations. Network performance is evaluated by successful end-to-end packet delivery rates and energy expenditure.