mirror of
https://github.com/Telecominfraproject/wlan-lanforge-scripts.git
synced 2025-11-03 20:27:54 +00:00
port_probe.py : beginning of HE calculations
Signed-off-by: Chuck SmileyRekiere <chuck.smileyrekiere@candelatech.com>
This commit is contained in:
Chuck SmileyRekiere
@@ -72,6 +72,9 @@ class ProbePort(LFCliBase):
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signals = [x.strip('\t').split('\t') for x in text if 'signal' in x]
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signals = [x.strip('\t').split('\t') for x in text if 'signal' in x]
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keys = [x[0].strip(' ').strip(':') for x in signals]
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keys = [x[0].strip(' ').strip(':') for x in signals]
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values = [x[1].strip('dBm').strip(' ') for x in signals]
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values = [x[1].strip('dBm').strip(' ') for x in signals]
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# if self.debug:
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print("signals keys: {keys}".format(keys=keys))
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print("signals values: {values}".format(values=values))
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self.signals = dict(zip(keys, values))
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self.signals = dict(zip(keys, values))
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tx_bitrate = [x for x in text if 'tx bitrate' in x][0].replace('\t', ' ')
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tx_bitrate = [x for x in text if 'tx bitrate' in x][0].replace('\t', ' ')
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@@ -538,3 +541,201 @@ class ProbePort(LFCliBase):
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else:
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else:
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self.rx_mbit_calc = self.rx_data_rate_gi_long_Mbps
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self.rx_mbit_calc = self.rx_data_rate_gi_long_Mbps
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self.rx_gi = T_gi_long
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self.rx_gi = T_gi_long
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###########################################
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#
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# HE no OFDMA - changes the calculations
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#
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###########################################
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def calculated_data_rate_tx_HE(self):
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# TODO compare with standard for 40 MHz if values change
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N_sd = 0 # Number of Data Subcarriers based on modulation and bandwith
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N_bpscs = 0 # Number of coded bits per Subcarrier(Determined by the modulation, MCS)
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R = 0 # coding , (Determined by the modulation, MCS )
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N_ss = 0 # Number of Spatial Streams
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T_dft = 3.2 * 10**-6 # Constant for HT
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T_gi_short = .4 * 10**-6 # Guard index.
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T_gi_long = .8 * 10**-6 # Guard index.
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bw = 20
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# Note the T_gi is not exactly know so need to calculate bothh with .4 and .8
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# the nubmer of Data Subcarriers is based on modulation and bandwith
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try:
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bw = int(self.tx_mhz)
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except BaseException:
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print("port_probe.py: WARNING unable to parse tx MHz (BW) , check probe output will use {bw}".format(bw=bw))
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print("Mhz {Mhz}".format(Mhz=self.tx_mhz))
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if bw == 20:
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N_sd = 52
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elif bw == 40:
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N_sd = 108
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elif bw == 80:
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N_sd = 234
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elif bw == 160:
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N_sd = 468
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else:
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print("For HT if cannot be read bw is assumed to be 20")
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N_sd = 52
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self.tx_mhz = 20
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# NSS
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N_ss = self.tx_nss
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# MCS (Modulation Coding Scheme) determines the constands
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# MCS 0 == Modulation BPSK R = 1/2 , N_bpscs = 1,
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# Only for HT configuration
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if self.tx_mcs == 0 :
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R = 1 / 2
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N_bpscs = 1
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# MCS 1 == Modulation QPSK R = 1/2 , N_bpscs = 2
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elif self.tx_mcs == 1 :
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R = 1 / 2
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N_bpscs = 2
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# MCS 2 == Modulation QPSK R = 3/4 , N_bpscs = 2
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elif self.tx_mcs == 2 :
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R = 3 / 4
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N_bpscs = 2
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# MCS 3 == Modulation 16-QAM R = 1/2 , N_bpscs = 4
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elif self.tx_mcs == 3 :
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R = 1 / 2
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N_bpscs = 4
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# MCS 4 == Modulation 16-QAM R = 3/4 , N_bpscs = 4
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elif self.tx_mcs == 4 :
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R = 3 / 4
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N_bpscs = 4
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# MCS 5 == Modulation 64-QAM R = 2/3 , N_bpscs = 6
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elif self.tx_mcs == 5 :
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R = 2 / 3
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N_bpscs = 6
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# MCS 6 == Modulation 64-QAM R = 3/4 , N_bpscs = 6
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elif self.tx_mcs == 6 :
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R = 3 / 4
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N_bpscs = 6
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# MCS 7 == Modulation 64-QAM R = 5/6 , N_bpscs = 6
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elif self.tx_mcs == 7 :
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R = 5 / 6
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N_bpscs = 6
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# MCS 8 == Modulation 256-QAM R = 3/4 , N_bpscs = 8
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elif self.tx_mcs == 8 :
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R = 3 / 4
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N_bpscs = 8
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# MCS 9 == Modulation 256-QAM R = 5/6 , N_bpscs = 8
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elif self.tx_mcs == 9 :
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R = 5 / 6
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N_bpscs = 8
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print("tx: mcs {mcs} N_sd {N_sd} N_bpscs {N_bpscs} R {R} N_ss {N_ss} T_dft {T_dft} T_gi_short {T_gi_short}".format(
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mcs=self.tx_mcs, N_sd=N_sd, N_bpscs=N_bpscs, R=R, N_ss=N_ss, T_dft=T_dft, T_gi_short=T_gi_short))
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self.tx_data_rate_gi_short_Mbps = ((N_sd * N_bpscs * R * float(N_ss)) / (T_dft + T_gi_short)) / 1000000
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print("tx_data_rate gi_short {data_rate} Mbit/s".format(data_rate=self.tx_data_rate_gi_short_Mbps))
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print("tx: mcs {mcs} N_sd {N_sd} N_bpscs {N_bpscs} R {R} N_ss {N_ss} T_dft {T_dft} T_gi_long {T_gi_long}".format(
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mcs=self.tx_mcs, N_sd=N_sd, N_bpscs=N_bpscs, R=R, N_ss=N_ss, T_dft=T_dft, T_gi_long=T_gi_long))
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self.tx_data_rate_gi_long_Mbps = ((N_sd * N_bpscs * R * float(N_ss)) / (T_dft + T_gi_long)) / 1000000
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print("data_rate gi_long {data_rate} Mbps".format(data_rate=self.tx_data_rate_gi_long_Mbps))
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if abs(self.tx_mbit - self.tx_data_rate_gi_short_Mbps) <= abs(self.tx_mbit - self.tx_data_rate_gi_long_Mbps):
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self.tx_mbit_calc = self.tx_data_rate_gi_short_Mbps
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self.tx_gi = T_gi_short
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else:
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self.tx_mbit_calc = self.tx_data_rate_gi_long_Mbps
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self.tx_gi = T_gi_long
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def calculated_data_rate_rx_HE(self):
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N_sd = 0 # Number of Data Subcarriers based on modulation and bandwith
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N_bpscs = 0 # Number of coded bits per Subcarrier(Determined by the modulation, MCS)
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R = 0 # coding , (Determined by the modulation, MCS )
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N_ss = 0 # Number of Spatial Streams
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T_dft = 3.2 * 10**-6 # Constant for HT
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T_gi_short = .4 * 10**-6 # Guard index.
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T_gi_long = .8 * 10**-6 # Guard index.
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# Note the T_gi is not exactly know so need to calculate bothh with .4 and .8
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# the nubmer of Data Subcarriers is based on modulation and bandwith
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if self.rx_mgt_6Mb_frame is True:
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self.rx_mgt_6Mg_frame = False
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self.rx_data_rate_gi_short_Mbps = None
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self.rx_data_rate_gi_long_Mbps = None
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else:
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try:
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bw = int(self.rx_mhz)
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except BaseException:
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print("port_probe.py: {} WARNING unable to parse rx MHz (BW) , check probe output will use ")
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print("Mhz {Mhz}".format(Mhz=self.rx_mhz))
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if bw == 20:
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N_sd = 52
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elif bw == 40:
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N_sd = 108
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elif bw == 80:
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N_sd = 234
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elif bw == 160:
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N_sd = 468
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else:
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print("For HT if cannot be read bw is assumed to be 20")
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N_sd = 52
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self.rx_mhz = 20
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# NSS
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N_ss = self.rx_nss
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# MCS (Modulation Coding Scheme) determines the constands
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# MCS 0 == Modulation BPSK R = 1/2 , N_bpscs = 1,
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# Only for HT configuration
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if self.rx_mcs == 0 :
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R = 1 / 2
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N_bpscs = 1
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# MCS 1 == Modulation QPSK R = 1/2 , N_bpscs = 2
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elif self.rx_mcs == 1 :
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R = 1 / 2
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N_bpscs = 2
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# MCS 2 == Modulation QPSK R = 3/4 , N_bpscs = 2
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elif self.rx_mcs == 2 :
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R = 3 / 4
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N_bpscs = 2
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# MCS 3 == Modulation 16-QAM R = 1/2 , N_bpscs = 4
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elif self.rx_mcs == 3 :
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R = 1 / 2
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N_bpscs = 4
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# MCS 4 == Modulation 16-QAM R = 3/4 , N_bpscs = 4
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elif self.rx_mcs == 4 :
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R = 3 / 4
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N_bpscs = 4
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# MCS 5 == Modulation 64-QAM R = 2/3 , N_bpscs = 6
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elif self.rx_mcs == 5 :
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R = 2 / 3
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N_bpscs = 6
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# MCS 6 == Modulation 64-QAM R = 3/4 , N_bpscs = 6
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elif self.rx_mcs == 6 :
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R = 3 / 4
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N_bpscs = 6
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# MCS 7 == Modulation 64-QAM R = 5/6 , N_bpscs = 6
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elif self.rx_mcs == 7 :
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R = 5 / 6
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N_bpscs = 6
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# MCS 8 == Modulation 256-QAM R = 3/4 , N_bpscs = 8
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elif self.rx_mcs == 8 :
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R = 3 / 4
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N_bpscs = 8
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# MCS 9 == Modulation 256-QAM R = 5/6 , N_bpscs = 8
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elif self.rx_mcs == 9 :
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R = 5 / 6
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N_bpscs = 8
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print("mcs {mcs} N_sd {N_sd} N_bpscs {N_bpscs} R {R} N_ss {N_ss} T_dft {T_dft} T_gi_short {T_gi_short}".format(
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mcs=self.rx_mcs, N_sd=N_sd, N_bpscs=N_bpscs, R=R, N_ss=N_ss, T_dft=T_dft, T_gi_short=T_gi_short))
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self.rx_data_rate_gi_short_Mbps = ((N_sd * N_bpscs * R * float(N_ss)) / (T_dft + T_gi_short)) / 1000000
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print("rx_data_rate gi_short {data_rate} Mbit/s".format(data_rate=self.rx_data_rate_gi_short_Mbps))
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print("mcs {mcs} N_sd {N_sd} N_bpscs {N_bpscs} R {R} N_ss {N_ss} T_dft {T_dft} T_gi_long {T_gi_long}".format(
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mcs=self.rx_mcs, N_sd=N_sd, N_bpscs=N_bpscs, R=R, N_ss=N_ss, T_dft=T_dft, T_gi_long=T_gi_long))
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self.rx_data_rate_gi_long_Mbps = ((N_sd * N_bpscs * R * float(N_ss)) / (T_dft + T_gi_long)) / 1000000
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print("rx_data_rate gi_long {data_rate} Mbps".format(data_rate=self.rx_data_rate_gi_long_Mbps))
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if abs(self.rx_mbit - self.rx_data_rate_gi_short_Mbps) <= abs(self.rx_mbit - self.rx_data_rate_gi_long_Mbps):
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self.rx_mbit_calc = self.rx_data_rate_gi_short_Mbps
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self.rx_gi = T_gi_short
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else:
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self.rx_mbit_calc = self.rx_data_rate_gi_long_Mbps
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self.rx_gi = T_gi_long
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