[1590] | 1 | function varargout = LTEDemo(varargin) |
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| 2 | % LTEDEMO M-file for LTEDemo.fig |
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| 3 | % LTEDEMO, by itself, creates a new LTEDEMO or raises the existing |
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| 4 | % singleton*. |
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| 5 | % |
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| 6 | % H = LTEDEMO returns the handle to a new LTEDEMO or the handle to |
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| 7 | % the existing singleton*. |
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| 8 | % |
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| 9 | % LTEDEMO('CALLBACK',hObject,eventData,handles,...) calls the local |
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| 10 | % function named CALLBACK in LTEDEMO.M with the given input arguments. |
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| 11 | % |
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| 12 | % LTEDEMO('Property','Value',...) creates a new LTEDEMO or raises the |
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| 13 | % existing singleton*. Starting from the left, property value pairs are |
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| 14 | % applied to the GUI before LTEDemo_OpeningFcn gets called. An |
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| 15 | % unrecognized property name or invalid value makes property application |
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| 16 | % stop. All inputs are passed to LTEDemo_OpeningFcn via varargin. |
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| 17 | % |
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| 18 | % *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one |
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| 19 | % instance to run (singleton)". |
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| 20 | % |
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| 21 | % See also: GUIDE, GUIDATA, GUIHANDLES |
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| 22 | |
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| 23 | |
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| 24 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 25 | % The MIMO LTE Uplink simulation based on Warplab |
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| 26 | % Composed by: Guohui Wang |
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| 27 | % Date: October 2009 |
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| 28 | % Configuration: GUI control |
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| 29 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 30 | |
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| 31 | |
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| 32 | % Last Modified by GUIDE v2.5 13-Oct-2009 23:32:55 |
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| 33 | |
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| 34 | % Begin initialization code - DO NOT EDIT |
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| 35 | gui_Singleton = 1; |
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| 36 | gui_State = struct('gui_Name', mfilename, ... |
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| 37 | 'gui_Singleton', gui_Singleton, ... |
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| 38 | 'gui_OpeningFcn', @LTEDemo_OpeningFcn, ... |
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| 39 | 'gui_OutputFcn', @LTEDemo_OutputFcn, ... |
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| 40 | 'gui_LayoutFcn', [] , ... |
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| 41 | 'gui_Callback', []); |
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| 42 | if nargin && ischar(varargin{1}) |
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| 43 | gui_State.gui_Callback = str2func(varargin{1}); |
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| 44 | end |
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| 45 | |
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| 46 | if nargout |
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| 47 | [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:}); |
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| 48 | else |
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| 49 | gui_mainfcn(gui_State, varargin{:}); |
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| 50 | end |
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| 51 | % End initialization code - DO NOT EDIT |
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| 52 | |
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| 53 | % My initialization |
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| 54 | global bRunning; |
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| 55 | bRunning = 1; |
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| 56 | |
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| 57 | |
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| 58 | % --- Executes just before LTEDemo is made visible. |
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| 59 | function LTEDemo_OpeningFcn(hObject, eventdata, handles, varargin) |
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| 60 | % This function has no output args, see OutputFcn. |
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| 61 | % hObject handle to figure |
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| 62 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 63 | % handles structure with handles and user data (see GUIDATA) |
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| 64 | % varargin command line arguments to LTEDemo (see VARARGIN) |
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| 65 | |
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| 66 | % Choose default command line output for LTEDemo |
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| 67 | handles.output = hObject; |
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| 68 | |
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| 69 | % Update handles structure |
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| 70 | guidata(hObject, handles); |
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| 71 | |
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| 72 | % UIWAIT makes LTEDemo wait for user response (see UIRESUME) |
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| 73 | % uiwait(handles.figure1); |
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| 74 | |
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| 75 | % --- Outputs from this function are returned to the command line. |
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| 76 | function varargout = LTEDemo_OutputFcn(hObject, eventdata, handles) |
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| 77 | % varargout cell array for returning output args (see VARARGOUT); |
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| 78 | % hObject handle to figure |
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| 79 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 80 | % handles structure with handles and user data (see GUIDATA) |
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| 81 | |
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| 82 | % Get default command line output from handles structure |
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| 83 | varargout{1} = handles.output; |
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| 84 | |
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| 85 | |
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| 86 | % --- Executes on button press in pushbutton_start. |
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| 87 | function pushbutton_start_Callback(hObject, eventdata, handles) |
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| 88 | % hObject handle to pushbutton_start (see GCBO) |
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| 89 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 90 | % handles structure with handles and user data (see GUIDATA) |
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| 91 | |
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| 92 | % bRunning is the flag that shows whether the program is running. |
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| 93 | global bRunning; |
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| 94 | bRunning = 1; |
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| 95 | % set the total number of images to transmit. |
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| 96 | number_of_image = 5; |
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| 97 | % set the initial index of the images |
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| 98 | image_index = -1; |
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| 99 | |
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| 100 | while(bRunning) |
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| 101 | set(handles.text4,'String','Transmitting'); |
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| 102 | set(handles.text6,'String','Transmitting'); |
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| 103 | |
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| 104 | index=get(handles.popupmenu1,'Value'); |
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| 105 | |
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| 106 | T = []; |
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| 107 | % sub-block size which is transmitted each time. |
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| 108 | block_size = 12; |
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| 109 | % the white block used to indicate the current transmitted subblock. |
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| 110 | box_width = 2; |
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| 111 | |
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| 112 | % load the image and display it. |
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| 113 | image_index = mod(image_index+1, number_of_image); |
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| 114 | imagename = ['img_user1_' num2str(image_index) '.bmp']; |
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| 115 | A = imread(imagename); |
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| 116 | imshow(A,'Parent', handles.axes1); |
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| 117 | [width height color] = size(A); |
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| 118 | |
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| 119 | % initialize the receive image |
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| 120 | B = uint8(255.*ones(width, height, color)); |
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| 121 | |
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| 122 | %reset the residual error figure |
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| 123 | C = ones(width, height, color).*255; |
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| 124 | imshow(C,'Parent', handles.axes4); |
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| 125 | |
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| 126 | block_index = 0; |
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| 127 | MSE_total = 0; |
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| 128 | |
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| 129 | try |
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| 130 | for (j = 1:height/block_size) |
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| 131 | for (i = 1:width/block_size ) |
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| 132 | |
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| 133 | % start the transmission |
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| 134 | if(strcmp(get(handles.text4,'String'),'Stopped')) |
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| 135 | bRunning = 0; |
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| 136 | break; |
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| 137 | end |
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| 138 | |
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| 139 | block_index = block_index + 1; |
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| 140 | str_edit_block = sprintf ('%d/%d', 252/block_size*(j-1)+i, 252*252/block_size/block_size); |
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| 141 | set(handles.edit2,'String', str_edit_block); |
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| 142 | |
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| 143 | % get the subblock data |
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| 144 | top1 = block_size*(i-1)+1; |
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| 145 | bottom1 = block_size*i; |
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| 146 | left1 = block_size*(j-1)+1; |
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| 147 | right1 = block_size*j; |
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| 148 | T_original = A(left1:right1, top1:bottom1, :); |
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| 149 | |
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| 150 | % draw the block frame in the transmitted image |
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| 151 | A_box = A; |
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| 152 | A_box(left1:left1+box_width , top1:bottom1, :) = 255; |
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| 153 | A_box(right1-box_width:right1 , top1:bottom1, :) = 255; |
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| 154 | A_box(left1:right1, top1:top1+box_width, :) = 255; |
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| 155 | A_box(left1:right1, bottom1-box_width:bottom1,:) = 255; |
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| 156 | imshow(A_box,'Parent', handles.axes1); |
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| 157 | |
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| 158 | % draw the block frame in the received image |
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| 159 | B_box = B; |
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| 160 | B_box(left1:left1+box_width , top1:bottom1, :) = 0; |
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| 161 | B_box(right1-box_width:right1 , top1:bottom1, :) = 0; |
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| 162 | B_box(left1:right1, top1:top1+box_width, :) = 0; |
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| 163 | B_box(left1:right1, bottom1-box_width:bottom1,:) = 0; |
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| 164 | imshow(B_box, 'parent', handles.axes2); |
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| 165 | |
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| 166 | % reshape the data block to a data stream |
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| 167 | T = double(T_original); |
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| 168 | T = de2bi( floor(T),'left-msb',8); |
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| 169 | T_stream = reshape(T', 1,1152); |
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| 170 | |
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| 171 | % transmit the data by the function 'demo_transmit_1user_mimo' |
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| 172 | T_out = demo_transmit_1user_mimo(T_stream); |
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| 173 | |
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| 174 | T = reshape(T_out, 8,144); |
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| 175 | T = bi2de(T','left-msb'); |
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| 176 | T = reshape(T, 12,12); |
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| 177 | T= uint8(T); |
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| 178 | B(block_size*(j-1)+1:block_size*j, block_size*(i-1)+1:block_size*i, :) = T; |
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| 179 | |
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| 180 | % draw the residual image |
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| 181 | C_box = (T-T_original).^2; |
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| 182 | C(block_size*(j-1)+1:block_size*j, block_size*(i-1)+1:block_size*i, :) = C_box; |
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| 183 | imshow(C,'Parent', handles.axes4); |
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| 184 | |
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| 185 | MSE_box = sum(sum(sum(double(C_box))))/block_size/block_size; |
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| 186 | |
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| 187 | % calculate the PSNR of the image |
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| 188 | MSE_total = (MSE_box + MSE_total*(block_index-1))/block_index; |
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| 189 | R2 = 255^2*color; |
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| 190 | PSNR = 10*log10(R2/MSE_total); |
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| 191 | str_edit_psnr = sprintf ('%f',PSNR); |
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| 192 | set(handles.edit3,'String', str_edit_psnr); |
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| 193 | end |
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| 194 | end |
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| 195 | |
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| 196 | % during the transmission. |
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| 197 | if(strcmp(get(handles.text4,'String'),'Transmitting')) |
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| 198 | C = (B-A).^2; |
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| 199 | imshow(C,'Parent', handles.axes4); |
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| 200 | |
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| 201 | C_float = double(C); |
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| 202 | |
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| 203 | % calculate the PSNR of current received image |
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| 204 | MSE = sum(sum(sum(C_float)))/width/height; |
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| 205 | R2 = 255^2*color; |
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| 206 | PSNR = 10*log10(R2/MSE); |
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| 207 | str_edit_psnr = sprintf ('%f',PSNR); |
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| 208 | set(handles.edit3,'String', str_edit_psnr); |
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| 209 | |
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| 210 | % save the result image to local hard drive |
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| 211 | clock1 = clock; |
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| 212 | imageB_name = sprintf('demo_image_out_%4d%02d%02d%02d%02d.bmp', clock1(1), clock1(2), clock1(3), clock1(4), clock1(5)); |
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| 213 | imwrite(B, imageB_name); |
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| 214 | end |
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| 215 | |
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| 216 | if(strcmp(get(handles.text4,'String'),'Stopped')) |
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| 217 | break; |
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| 218 | end |
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| 219 | catch |
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| 220 | rethrow(lasterror); |
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| 221 | end |
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| 222 | |
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| 223 | imshow(A,'Parent', handles.axes1); |
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| 224 | imshow(B, 'Parent', handles.axes2); |
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| 225 | set(handles.text6,'String','Transmission finished'); |
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| 226 | pause(1.5); |
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| 227 | end |
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| 228 | |
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| 229 | |
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| 230 | % --- Executes during object creation, after setting all properties. |
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| 231 | function figure1_CreateFcn(hObject, eventdata, handles) |
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| 232 | % hObject handle to figure1 (see GCBO) |
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| 233 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 234 | % handles empty - handles not created until after all CreateFcns called |
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| 235 | |
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| 236 | |
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| 237 | % --- Executes on button press in pushbutton_load. |
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| 238 | function pushbutton_load_Callback(hObject, eventdata, handles) |
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| 239 | % hObject handle to pushbutton_load (see GCBO) |
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| 240 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 241 | % handles structure with handles and user data (see GUIDATA) |
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| 242 | A=imread('img_user1_0.bmp'); |
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| 243 | imshow(A,'Parent', handles.axes1); |
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| 244 | |
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| 245 | |
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| 246 | % --- Executes on selection change in popupmenu1. |
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| 247 | function popupmenu1_Callback(hObject, eventdata, handles) |
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| 248 | % hObject handle to popupmenu1 (see GCBO) |
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| 249 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 250 | % handles structure with handles and user data (see GUIDATA) |
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| 251 | |
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| 252 | % Hints: contents = get(hObject,'String') returns popupmenu1 contents as cell array |
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| 253 | % contents{get(hObject,'Value')} returns selected item from popupmenu1 |
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| 254 | |
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| 255 | |
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| 256 | % --- Executes during object creation, after setting all properties. |
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| 257 | function popupmenu1_CreateFcn(hObject, eventdata, handles) |
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| 258 | % hObject handle to popupmenu1 (see GCBO) |
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| 259 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 260 | % handles empty - handles not created until after all CreateFcns called |
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| 261 | |
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| 262 | % Hint: popupmenu controls usually have a white background on Windows. |
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| 263 | % See ISPC and COMPUTER. |
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| 264 | if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) |
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| 265 | set(hObject,'BackgroundColor','white'); |
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| 266 | end |
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| 267 | |
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| 268 | |
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| 269 | |
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| 270 | function editblock_Callback(hObject, eventdata, handles) |
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| 271 | % hObject handle to editblock (see GCBO) |
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| 272 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 273 | % handles structure with handles and user data (see GUIDATA) |
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| 274 | |
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| 275 | % Hints: get(hObject,'String') returns contents of editblock as text |
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| 276 | % str2double(get(hObject,'String')) returns contents of editblock as a double |
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| 277 | |
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| 278 | |
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| 279 | % --- Executes during object creation, after setting all properties. |
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| 280 | function editblock_CreateFcn(hObject, eventdata, handles) |
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| 281 | % hObject handle to editblock (see GCBO) |
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| 282 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 283 | % handles empty - handles not created until after all CreateFcns called |
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| 284 | |
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| 285 | % Hint: edit controls usually have a white background on Windows. |
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| 286 | % See ISPC and COMPUTER. |
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| 287 | if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) |
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| 288 | set(hObject,'BackgroundColor','white'); |
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| 289 | end |
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| 290 | |
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| 291 | |
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| 292 | |
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| 293 | function edit2_Callback(hObject, eventdata, handles) |
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| 294 | % hObject handle to edit2 (see GCBO) |
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| 295 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 296 | % handles structure with handles and user data (see GUIDATA) |
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| 297 | |
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| 298 | % Hints: get(hObject,'String') returns contents of edit2 as text |
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| 299 | % str2double(get(hObject,'String')) returns contents of edit2 as a double |
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| 300 | |
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| 301 | |
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| 302 | % --- Executes during object creation, after setting all properties. |
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| 303 | function edit2_CreateFcn(hObject, eventdata, handles) |
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| 304 | % hObject handle to edit2 (see GCBO) |
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| 305 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 306 | % handles empty - handles not created until after all CreateFcns called |
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| 307 | |
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| 308 | % Hint: edit controls usually have a white background on Windows. |
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| 309 | % See ISPC and COMPUTER. |
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| 310 | if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) |
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| 311 | set(hObject,'BackgroundColor','white'); |
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| 312 | end |
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| 313 | |
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| 314 | |
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| 315 | function edit3_Callback(hObject, eventdata, handles) |
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| 316 | % hObject handle to edit3 (see GCBO) |
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| 317 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 318 | % handles structure with handles and user data (see GUIDATA) |
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| 319 | |
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| 320 | % Hints: get(hObject,'String') returns contents of edit3 as text |
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| 321 | % str2double(get(hObject,'String')) returns contents of edit3 as a double |
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| 322 | |
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| 323 | |
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| 324 | % --- Executes during object creation, after setting all properties. |
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| 325 | function edit3_CreateFcn(hObject, eventdata, handles) |
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| 326 | % hObject handle to edit3 (see GCBO) |
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| 327 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 328 | % handles empty - handles not created until after all CreateFcns called |
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| 329 | |
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| 330 | % Hint: edit controls usually have a white background on Windows. |
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| 331 | % See ISPC and COMPUTER. |
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| 332 | if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) |
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| 333 | set(hObject,'BackgroundColor','white'); |
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| 334 | end |
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| 335 | |
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| 336 | |
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| 337 | % --- Executes on button press in pushbutton3. |
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| 338 | function pushbutton3_Callback(hObject, eventdata, handles) |
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| 339 | % hObject handle to pushbutton3 (see GCBO) |
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| 340 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 341 | % handles structure with handles and user data (see GUIDATA) |
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| 342 | set(handles.text4,'String','Stopped'); |
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| 343 | set(handles.text6,'String','Stopped'); |
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| 344 | |
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| 345 | |
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| 346 | % % --- Executes during object creation, after setting all properties. |
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| 347 | % function text12_CreateFcn(hObject, eventdata, handles) |
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| 348 | % % hObject handle to text12 (see GCBO) |
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| 349 | % % eventdata reserved - to be defined in a future version of MATLAB |
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| 350 | % % handles empty - handles not created until after all CreateFcns called |
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| 351 | % % a=imread('arrow.jpg'); |
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| 352 | % % set(hObject,'CData',a) |
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| 353 | |
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| 354 | |
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| 355 | % --- Executes during object creation, after setting all properties. |
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| 356 | function axes16_CreateFcn(hObject, eventdata, handles) |
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| 357 | % hObject handle to axes16 (see GCBO) |
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| 358 | % eventdata reserved - to be defined in a future version of MATLAB |
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| 359 | % handles empty - handles not created until after all CreateFcns called |
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| 360 | |
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| 361 | % Hint: place code in OpeningFcn to populate axes16 |
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| 362 | a=imread('channel1.bmp'); |
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| 363 | imshow('channel1.bmp'); |
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| 364 | |
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