# Okumura Model - Mathematical Formulation

Mathematical Formulation

The Okumura model is formally expressed as:

where,

L = The median path loss. Unit: Decibel (dB)

LFSL = The Free Space Loss. Unit: Decibel (dB)

AMU = Median attenuation. Unit: Decibel (dB)

HMG = Mobile station antenna height gain factor.

HBG = Base station antenna height gain factor.

Kcorrection = Correction factor gain (such as type of environment, water surfaces, isolated obstacle etc.)

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In necessary things, unity; in disputed things, liberty; in all things, charity.
—Variously Ascribed.

The formulation was used as a motto by the English Nonconformist clergyman Richard Baxter (1615-1691)

As we speak of poetical beauty, so ought we to speak of mathematical beauty and medical beauty. But we do not do so; and that reason is that we know well what is the object of mathematics, and that it consists in proofs, and what is the object of medicine, and that it consists in healing. But we do not know in what grace consists, which is the object of poetry.
Blaise Pascal (1623–1662)