The avatar for @wiless
ssk
Into telecom, standardization, R&D, spectrum, 3gpp, 5G, and obsessive for programming
Published
Edited
May 24, 2022
Importers
2
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// returns the Free Space Pathloss for the given distance dkm and frequenc fMHz (in MHz)
FPL = function (dkm, fMHz) {
return 20 * Math.log10(dkm) + 20 * Math.log10(fMHz) + 32.44;
}
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dist = d3.range(0.01, 0.5, 0.01)
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fpl = d3.map(dist, (d) => FPL(d, 3500))
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Plot.plot({
grid: true,
caption: "FPL @ 3700MHz",
x: { nice: true, label: "Distane in m", tickFormat: (d) => d * 1000 },
y: { nice: true, label: "PathLoss [dB]" },
marks: [
Plot.line(fpl, { x: dist, y: (d) => FPL(d, 3600) }),
Plot.line(fpl, { x: dist, y: (d) => FPL(d, 3700), stroke: "red" })
]
})
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FPL(0.25, 3700)
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invFPL(92.8, 3700)
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getDistance(125)
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obs = getPL(40)
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import { printTable } from "@uwdata/data-utilities"
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