With this parameters, the channel would add or remove energy.

[lhao-sudo]

Traceback (most recent call last):
File "C:/Users/lihao/Desktop/ofdm_v1.py", line 169, in
OFDM_simulation()
File "C:/Users/lihao/Desktop/ofdm_v1.py", line 136, in OFDM_simulation
OFDM_RX = channel(OFDM_TX, SNRdb, "tdl")
File "C:/Users/lihao/Desktop/ofdm_v1.py", line 81, in channel
channel = SISOFlatChannel(None,(1+0j,1+0j))
File "C:\Users\lihao\AppData\Local\Programs\Python\Python310\lib\site-packages\commpy\channels.py", line 179, in init
self.fading_param = fading_param
File "C:\Users\lihao\AppData\Local\Programs\Python\Python310\lib\site-packages\commpy\channels.py", line 231, in fading_param
raise ValueError("With this parameters, the channel would add or remove energy.")
ValueError: With this parameters, the channel would add or remove energy.