new_contents: # Authors: CommPy contributors
  # License: BSD 3-Clause
  
  import math
  
  import matplotlib.pyplot as plt
  import numpy as np
  
  import commpy.channels as chan
  # ==================================================================================================
  # Complete example using Commpy Wifi 802.11 physical parameters
  # ==================================================================================================
  from commpy.wifi80211 import Wifi80211
  
  # AWGN channel
  channels = chan.SISOFlatChannel(None, (1 + 0j, 0j))
  
  w2 = Wifi80211(mcs=2)
  w3 = Wifi80211(mcs=3)
  
  # SNR range to test
  SNRs2 = np.arange(0, 6) + 10 * math.log10(w2.get_modem().num_bits_symbol)
  SNRs3 = np.arange(0, 6) + 10 * math.log10(w3.get_modem().num_bits_symbol)
  
  BERs_mcs2 = w2.link_performance(channels, SNRs2, 10, 10, 600, stop_on_surpass_error=False)
  BERs_mcs3 = w3.link_performance(channels, SNRs3, 10, 10, 600, stop_on_surpass_error=False)
  
  # Test
  plt.semilogy(SNRs2, BERs_mcs2, 'o-', SNRs3, BERs_mcs3, 'o-')
  plt.grid()
  plt.xlabel('Signal to Noise Ration (dB)')
  plt.ylabel('Bit Error Rate')
  plt.legend(('MCS 2', 'MCS 3'))
  plt.show()
  
subject: Add example of usage of the simulation of 802.11