AWGN Capacity from SNR in dB

Problem

Compute the capacity in bits per channel use of an AWGN channel given the signal-to-noise ratio in decibels:

C = 0.5 * log2(1 + 10^(snr_db / 10))

Hint

First convert decibels to a linear power ratio: 10^(dB / 10).

case 1

in: [0]

expected: 0.5

case 2

in: [10]

expected: 1.7297158093186487

case 3

in: [20]

expected: 3.3291057413758973

case 4

in: [-10]

expected: 0.06875176187496751

Starter codePython

import math
def awgn_capacity(snr_db):
    # Your code here
    pass

4 test cases · run your code against them in the editor