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	Model propagacji metodą śledzenia promieni	Twierdzenie o pojemności kanału Shannona
Dziedzina	Telekomunikacja	Telekomunikacja
Rodzina	Process / pipeline	Process / pipeline
Rok powstania	1993	1948
Twórca	Maciel, Bertoni, and Xia	Claude Shannon
Typ	deterministic propagation algorithm	fundamental theoretical bound
Źródło pierwotne	Maciel, T. F., Bertoni, H. L., & Xia, H. H. (1993). Unified approach to prediction of propagation over buildings for all ranges of frequencies. IEEE Transactions on Vehicular Technology, 42(1), 41-45.	Shannon, C. E. (1948). A mathematical theory of communication. Bell System Technical Journal, 27(3), 379-423.
Inne nazwy	deterministic propagation, site-specific modeling	channel capacity, information theory bound
Pokrewne	4	5
Podsumowanie	Ray tracing is a deterministic propagation modeling technique for predicting electromagnetic field strength at specific locations. Instead of empirical formulas (like Okumura-Hata), ray tracing traces paths of electromagnetic energy as it reflects, diffracts, and scatters off buildings and terrain. With accurate 3D geometry and material properties, ray tracing predicts site-specific path loss, multipath delay profiles, and angle of arrival, making it ideal for detailed coverage planning, interference analysis, and system design. Ray tracing is now standard in professional cellular planning tools.	Shannon's channel capacity theorem, published in 1948, establishes the maximum rate at which information can be reliably transmitted over a noisy channel. Expressed as C = B log2(1 + S/N) for additive white Gaussian noise (AWGN), it is a fundamental bound in information theory and communications engineering. Shannon proved that reliable communication is possible at any rate below capacity, and impossible above it. This theorem underpins the design of all modern communication systems and motivates coding theory, modulation, and signal processing techniques.