-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathResults_Processing.m
159 lines (132 loc) · 7.41 KB
/
Results_Processing.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
clc
clearvars
% close all
warning('off','all')
path = pwd;
mod = '64QAM';
ChType = 'VTV_UC';
v = 100; % Moving speed of user in km/h
N_CH = [20000;20000;20000;20000;20000;20000;100000]; % Number of channel realizations
nSym = 20; % Number of symbols within one frame
pathdata = [num2str(nSym) 'Sym_' mod '_' ChType '_' num2str(v) 'kmh'];
% Loading Simulation Data
load(['data_' pathdata '\Simulation_variables.mat']);
%% ------ Bits Modulation Technique------------------------------------------
if(strcmp(mod,'QPSK') == 1)
nBitPerSym = 2;
elseif (strcmp(mod,'16QAM') == 1)
nBitPerSym = 4;
elseif (strcmp(mod,'64QAM') == 1)
nBitPerSym = 6;
end
M = 2 ^ nBitPerSym; % QAM Modulation Order
load('indices.mat');
N_Test_Frames = length(testing_indices);
EbN0dB = (0:5:30)';
Pow = mean(abs(qammod(0:(M-1),M)).^2);
constlen = 7;
trellis = poly2trellis(constlen,[171 133]);
tbl = 34;
nDSC = 48;
nUSC = 52;
ppositions = [7,21,32,46].'; % Pilots positions in Kset
N_SNR = size(EbN0dB,1);
Phf = zeros(N_SNR,1);
Err_DPA_DNN = zeros(N_SNR,1);
Err_DPA_LSTM = zeros(N_SNR,1);
Err_DPA_LNN = zeros(N_SNR,1);
Err_DPA_LNN_WR = zeros(N_SNR,1);
Ber_DPA_DNN = zeros(N_SNR,1);
Ber_DPA_LSTM = zeros(N_SNR,1);
Ber_DPA_LNN = zeros(N_SNR,1);
Ber_DPA_LNN_WR = zeros(N_SNR,1);
dpositions = [1:6, 8:20, 22:31, 33:45, 47:52].'; % Data positions in the set of allocated subcarriers Kset
for ii = 1:N_SNR
i = ii;
% Loading Simulation Parameters Results
load(['data_' pathdata '\Simulation_' num2str(i) '.mat']);
% Loading DPA-DNN Results
load([path '\Python_Codes\data\DPA_DNN_402040_Results_' num2str(i),'.mat']);
DPA_DNN = eval(['DPA_DNN_402040_corrected_y_',num2str(i)]);
DPA_DNN = reshape(DPA_DNN(1:52,:) + 1i*DPA_DNN(53:104,:), nUSC, nSym, N_Test_Frames);
% Loading DPA-LSTM Results
load([path '\Python_Codes\data\DPA_LSTM_' num2str(nUSC) '15_Results_' num2str(i),'.mat']);
DPA_LSTM = eval(['DPA_LSTM_' num2str(nUSC) '15_corrected_y_',num2str(i)]);
DPA_LSTM = reshape(DPA_LSTM(1:52,:) + 1i*DPA_LSTM(53:104,:), nUSC, nSym, N_Test_Frames);
% Loading DPA-LNN Results
load([path '\Python_Codes\data\DPA_LNN_Results_' num2str(i),'_Opt.mat']);
DPA_LNN = eval(['DPA_LNN_corrected_y_',num2str(i)]);
DPA_LNN = reshape(DPA_LNN(1:52,:) + 1i*DPA_LNN(53:104,:), nUSC, nSym, N_Test_Frames);
% Loading DPA-LNN Results
load([path '\Python_Codes\data\DPA_LNN_Results_' num2str(i),'_Opt_WithoutRestriction.mat']);
DPA_LNN_WR = eval(['DPA_LNN_corrected_y_',num2str(i)]);
DPA_LNN_WR = reshape(DPA_LNN_WR(1:52,:) + 1i*DPA_LNN_WR(53:104,:), nUSC, nSym, N_Test_Frames);
tic;
for u = 1:N_Test_Frames
% testing dataset (2000)
if N_CH(ii) == 2000
c = u;
% training dataset (10000)
elseif N_CH(ii) == 10000
c = testing_indices(1,u);
end
Phf(ii) = Phf(ii) + norm(True_Channels_Structure(:,:,c))^ 2;
% DPA-DNN
H_DPA_DNN = DPA_DNN(:,:,u);
Err_DPA_DNN (ii) = Err_DPA_DNN (ii) + norm(H_DPA_DNN - True_Channels_Structure(:,:,c)).^2;
Equalized_OFDM_Symbols_DPA_DNN = Received_Symbols_FFT_Structure(dpositions,:,c) ./ H_DPA_DNN(dpositions,:);
% DPA-LSTM
H_DPA_LSTM = DPA_LSTM(:,:,u);
Err_DPA_LSTM (ii) = Err_DPA_LSTM (ii) + norm(H_DPA_LSTM - True_Channels_Structure(:,:,c)).^2;
Equalized_OFDM_Symbols_DPA_LSTM = Received_Symbols_FFT_Structure(dpositions,:,c) ./ H_DPA_LSTM(dpositions,:);
% % DPA-LNN
H_DPA_LNN = DPA_LNN(:,:,u);
Err_DPA_LNN (ii) = Err_DPA_LNN (ii) + norm(H_DPA_LNN - True_Channels_Structure(:,:,c)).^2;
Equalized_OFDM_Symbols_DPA_LNN = Received_Symbols_FFT_Structure(dpositions,:,c) ./ H_DPA_LNN(dpositions,:);
% DPA-LNN - Without Restriction
H_DPA_LNN_WR = DPA_LNN_WR(:,:,u);
Err_DPA_LNN_WR (ii) = Err_DPA_LNN_WR (ii) + norm(H_DPA_LNN_WR - True_Channels_Structure(:,:,c)).^2;
Equalized_OFDM_Symbols_DPA_LNN_WR = Received_Symbols_FFT_Structure(dpositions,:,c) ./ H_DPA_LNN_WR(dpositions,:);
% QAM - DeMapping
De_Mapped_DPA_DNN = qamdemod(sqrt(Pow) * Equalized_OFDM_Symbols_DPA_DNN,M);
De_Mapped_DPA_LSTM = qamdemod(sqrt(Pow) * Equalized_OFDM_Symbols_DPA_LSTM,M);
De_Mapped_DPA_LNN = qamdemod(sqrt(Pow) * Equalized_OFDM_Symbols_DPA_LNN,M);
De_Mapped_DPA_LNN_WR = qamdemod(sqrt(Pow) * Equalized_OFDM_Symbols_DPA_LNN_WR,M);
% Bits Extraction
Bits_DPA_DNN = zeros(nDSC,nSym,log2(M));
Bits_DPA_LSTM = zeros(nDSC,nSym,log2(M));
Bits_DPA_LNN = zeros(nDSC,nSym,log2(M));
Bits_DPA_LNN_WR = zeros(nDSC,nSym,log2(M));
for b = 1 : nSym
Bits_DPA_DNN(:,b,:) = de2bi(De_Mapped_DPA_DNN(:,b),nBitPerSym);
Bits_DPA_LSTM(:,b,:) = de2bi(De_Mapped_DPA_LSTM(:,b),nBitPerSym);
Bits_DPA_LNN(:,b,:) = de2bi(De_Mapped_DPA_LNN(:,b),nBitPerSym);
Bits_DPA_LNN_WR(:,b,:) = de2bi(De_Mapped_DPA_LNN_WR(:,b),nBitPerSym);
end
% BER Calculation
ber_DPA_DNN = biterr(Bits_DPA_DNN(:),TX_Bits_Stream_Structure(:,c));
ber_DPA_LSTM = biterr(Bits_DPA_LSTM(:),TX_Bits_Stream_Structure(:,c));
ber_DPA_LNN = biterr(Bits_DPA_LNN(:),TX_Bits_Stream_Structure(:,c));
ber_DPA_LNN_WR = biterr(Bits_DPA_LNN_WR(:),TX_Bits_Stream_Structure(:,c));
Ber_DPA_DNN(ii) = Ber_DPA_DNN(ii) + ber_DPA_DNN;
Ber_DPA_LSTM(ii) = Ber_DPA_LSTM(ii) + ber_DPA_LSTM;
Ber_DPA_LNN(ii) = Ber_DPA_LNN(ii) + ber_DPA_LNN;
Ber_DPA_LNN_WR(ii) = Ber_DPA_LNN_WR(ii) + ber_DPA_LNN_WR;
end
toc;
end
%% Bit Error Rate (BER)
BER_DPA_DNN = Ber_DPA_DNN / (N_Test_Frames * nSym * nDSC * nBitPerSym);
BER_DPA_LSTM = Ber_DPA_LSTM / (N_Test_Frames * nSym * nDSC * nBitPerSym);
BER_DPA_LNN_Optimized = Ber_DPA_LNN / (N_Test_Frames * nSym * nDSC * nBitPerSym);
BER_DPA_LNN_WithoutRestriction = Ber_DPA_LNN_WR / (N_Test_Frames * nSym * nDSC * nBitPerSym);
%% Normalized Mean Square Error
Phf = Phf ./ N_Test_Frames;
ERR_DPA_DNN = Err_DPA_DNN / (N_Test_Frames * Phf);
ERR_DPA_LSTM = Err_DPA_LSTM / (N_Test_Frames * Phf);
ERR_DPA_LNN_Optimized = Err_DPA_LNN / (N_Test_Frames * Phf);
ERR_DPA_LNN_WithoutRestriction = Err_DPA_LNN_WR / (N_Test_Frames * Phf);
save(['data_' pathdata '\DPA_DNN_Results'],'BER_DPA_DNN','ERR_DPA_DNN');
save(['data_' pathdata '\DPA_LSTM_Results'],'BER_DPA_LSTM','ERR_DPA_LSTM');
save(['data_' pathdata '\DPA_LNN_Results_Optimized'],'BER_DPA_LNN_Optimized','ERR_DPA_LNN_Optimized');
save(['data_' pathdata '\DPA_LNN_Results_WithoutRestriction'],'BER_DPA_LNN_WithoutRestriction','ERR_DPA_LNN_WithoutRestriction');