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comment style from '#' to '%' for the octave scripts in src/lte/test/reference

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This commit is contained in:
Nicola Baldo
2011-05-17 10:32:46 +02:00
parent 5609e0456d
commit fd1288b7b3
4 changed files with 90 additions and 90 deletions
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4
src/lte/test/reference/generate_test_data_lte_spectrum_model.m
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@@ -4,8 +4,8 @@ close all;
for nrbs = [6 15 25 50 75 100]
## earfcn = 500;
## fcMHz = 2160;
%% earfcn = 500;
%% fcMHz = 2160;
earfcn = 19400;
fcMHz = 1730;

136
src/lte/test/reference/lte_amc.m
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@@ -6,11 +6,11 @@ snr_db = (-5:30)';
snr = (10.^(snr_db./10));
## this model is from:
## G. Piro, N. Baldo. M. Miozzo, "An LTE module for the ns-3 network simulator",
## WNS3 2011 (in conjunction with SimuTOOLS 2011)
## which cites this one:
## "A Proportional-Fair Power Allocation Scheme for Fair and Efficient Multiuser OFDM Systems"
%% this model is from:
%% G. Piro, N. Baldo. M. Miozzo, "An LTE module for the ns-3 network simulator",
%% WNS3 2011 (in conjunction with SimuTOOLS 2011)
%% which cites this one:
%% "A Proportional-Fair Power Allocation Scheme for Fair and Efficient Multiuser OFDM Systems"
ber = 0.00005;
@@ -19,76 +19,76 @@ spectral_efficiency_piro2011 = log2(1 + snr./gamma);
# ## this eventually would be an alternative model from:
# ## Preben Mogensen et al., "LTE Capacity compared to the Shannon Bound"
# ## IEEE VTC Spring 2007
#
# snr_eff = 1.25;
# bw_eff_times_eta = 0.75;
# spectral_efficiency_mogensen2007= bw_eff_times_eta .* log2(1 + snr./snr_eff);
#
# plot (snr_db, spectral_efficiency_piro2011, ";piro 2011;",
# snr_db, spectral_efficiency_mogensen2007, ";morgensen2007;");
% %% this eventually would be an alternative model from:
% %% Preben Mogensen et al., "LTE Capacity compared to the Shannon Bound"
% %% IEEE VTC Spring 2007
%
% snr_eff = 1.25;
% bw_eff_times_eta = 0.75;
% spectral_efficiency_mogensen2007= bw_eff_times_eta .* log2(1 + snr./snr_eff);
%
% plot (snr_db, spectral_efficiency_piro2011, ";piro 2011;",
% snr_db, spectral_efficiency_mogensen2007, ";morgensen2007;");
[snr_db spectral_efficiency_piro2011]
##
## now that we got the spectral efficiency for each value of SNR in dB
## you should do the following:
## we look up (manually) into the XLS sheet annexed to 3GPP R1-081483 "Conveying MCS
## and TB size via PDCCH". Look at the tab "MCS Table", quantize the
## spectral efficiency based on the CQI (rounding to the lowest value), and get the corresponding MCS
## scheme (i.e., the MCS index that appears on the same line looking at
## the MCS table on the right). Note that the quantization of the CQI is
## coarser than the spectral efficiency reported in the CQI table.
## Finally, note that there are some discrepancies between the MCS index
## in R1-081483 and that indicated by the standard: TS 36.213 Table
## 7.1.7.1-1 says that the MCS index goes from 0 to 31, and 0 appears to
## be a valid MCS scheme (TB size is not 0) but in R1-081483 the first useful MCS index is 1.
## Hence to get the value as intended by the standard we need to
## subtract 1 from the index reported in R1-081483.
%%
%% now that we got the spectral efficiency for each value of SNR in dB
%% you should do the following:
%% we look up (manually) into the XLS sheet annexed to 3GPP R1-081483 "Conveying MCS
%% and TB size via PDCCH". Look at the tab "MCS Table", quantize the
%% spectral efficiency based on the CQI (rounding to the lowest value), and get the corresponding MCS
%% scheme (i.e., the MCS index that appears on the same line looking at
%% the MCS table on the right). Note that the quantization of the CQI is
%% coarser than the spectral efficiency reported in the CQI table.
%% Finally, note that there are some discrepancies between the MCS index
%% in R1-081483 and that indicated by the standard: TS 36.213 Table
%% 7.1.7.1-1 says that the MCS index goes from 0 to 31, and 0 appears to
%% be a valid MCS scheme (TB size is not 0) but in R1-081483 the first useful MCS index is 1.
%% Hence to get the value as intended by the standard we need to
%% subtract 1 from the index reported in R1-081483.
## the resulting values after the manual lookup are reported here:
%% the resulting values after the manual lookup are reported here:
## SNR (dB) sp. eff MCS index
%% SNR (dB) sp. eff MCS index
## -5.00000 0.08024 -1
## -4.00000 0.10030 -1
## -3.00000 0.12518 -1
## -2.00000 0.15589 0
## -1.00000 0.19365 0
## 0.00000 0.23983 2
## 1.00000 0.29593 2
## 2.00000 0.36360 2
## 3.00000 0.44451 4
## 4.00000 0.54031 4
## 5.00000 0.65251 6
## 6.00000 0.78240 6
## 7.00000 0.93086 8
## 8.00000 1.09835 8
## 9.00000 1.28485 10
## 10.00000 1.48981 12
## 11.00000 1.71229 12
## 12.00000 1.95096 14
## 13.00000 2.20429 14
## 14.00000 2.47062 16
## 15.00000 2.74826 18
## 16.00000 3.03560 18
## 17.00000 3.33115 20
## 18.00000 3.63355 20
## 19.00000 3.94163 22
## 20.00000 4.25439 22
## 21.00000 4.57095 24
## 22.00000 4.89060 24
## 23.00000 5.21276 26
## 24.00000 5.53693 26
## 25.00000 5.86271 28
## 26.00000 6.18980 28
## 27.00000 6.51792 28
## 28.00000 6.84687 28
## 29.00000 7.17649 28
## 30.00000 7.50663 28
%% -5.00000 0.08024 -1
%% -4.00000 0.10030 -1
%% -3.00000 0.12518 -1
%% -2.00000 0.15589 0
%% -1.00000 0.19365 0
%% 0.00000 0.23983 2
%% 1.00000 0.29593 2
%% 2.00000 0.36360 2
%% 3.00000 0.44451 4
%% 4.00000 0.54031 4
%% 5.00000 0.65251 6
%% 6.00000 0.78240 6
%% 7.00000 0.93086 8
%% 8.00000 1.09835 8
%% 9.00000 1.28485 10
%% 10.00000 1.48981 12
%% 11.00000 1.71229 12
%% 12.00000 1.95096 14
%% 13.00000 2.20429 14
%% 14.00000 2.47062 16
%% 15.00000 2.74826 18
%% 16.00000 3.03560 18
%% 17.00000 3.33115 20
%% 18.00000 3.63355 20
%% 19.00000 3.94163 22
%% 20.00000 4.25439 22
%% 21.00000 4.57095 24
%% 22.00000 4.89060 24
%% 23.00000 5.21276 26
%% 24.00000 5.53693 26
%% 25.00000 5.86271 28
%% 26.00000 6.18980 28
%% 27.00000 6.51792 28
%% 28.00000 6.84687 28
%% 29.00000 7.17649 28
%% 30.00000 7.50663 28

28
src/lte/test/reference/lte_link_budget.m
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@@ -1,24 +1,24 @@
clear all;
close all;
## LTE from theory to practice
## Table 22.7 Reference sensitivity.
%% LTE from theory to practice
%% Table 22.7 Reference sensitivity.
f = 2160e6; # carrier freq Hz, EARFCN = 500 (downlink)
nrbs = 25; # tx bandwdith configuration in number of RBs
bw = nrbs * 180000; # bandwidth in Hz, note that this is smaller than
# the nominal Channel Bandwdith, see TS 36.101 fig 5.6-1
kT = -174; # noise PSD in dBm / Hz
n = kT + 10*log10(bw); # noise power dBm
p = 30; # tx power dBm
txPsd = p - 10*log10(bw); # power / bandwidth in linear units
nf = 9; # receiver noise figure in dB
f = 2160e6; % carrier freq Hz, EARFCN = 500 (downlink)
nrbs = 25; % tx bandwdith configuration in number of RBs
bw = nrbs * 180000; % bandwidth in Hz, note that this is smaller than
% the nominal Channel Bandwdith, see TS 36.101 fig 5.6-1
kT = -174; % noise PSD in dBm / Hz
n = kT + 10*log10(bw); % noise power dBm
p = 30; % tx power dBm
txPsd = p - 10*log10(bw); % power / bandwidth in linear units
nf = 9; % receiver noise figure in dB
d = logspace (0,5,100);
g = 10.*log10 (gain_freespace(d,f)); # propagation gain in dB
g = 10.*log10 (gain_freespace(d,f)); % propagation gain in dB
snr = p + g - n - nf; # dB
##snr = txPsd + g - kT - nf ; # dB
snr = p + g - n - nf; % dB
%%snr = txPsd + g - kT - nf ; % dB
semilogx (d, snr, ";friis;");

12
src/lte/test/reference/print_C_vector.m
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@@ -1,10 +1,10 @@
function print_C_vector (x, name)
##
## print_C_vector (x)
##
## prints to screen the C code that is needed to initialize vector x
## x is the data
## name is the name of the C variable
%%
%% print_C_vector (x)
%%
%% prints to screen the C code that is needed to initialize vector x
%% x is the data
%% name is the name of the C variable
assert (isvector(x));