📄 ofdm_original.mdl
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SampleTime "-1"
SaveFormat "Array"
}
Block {
BlockType ToWorkspace
Name "To Workspace1"
Position [205, 155, 265, 185]
BackgroundColor "lightBlue"
VariableName "ofdm_signal"
MaxDataPoints "inf"
SampleTime "-1"
SaveFormat "Array"
}
Line {
SrcBlock "S-Function"
SrcPort 1
DstBlock "To Workspace"
DstPort 1
}
Line {
SrcBlock "In1"
SrcPort 1
Points [5, 0]
Branch {
Points [0, 60]
DstBlock "To Workspace1"
DstPort 1
}
Branch {
DstBlock "Frame Status\nConversion"
DstPort 1
}
}
Line {
SrcBlock "Abs"
SrcPort 1
DstBlock "S-Function"
DstPort 1
}
Line {
SrcBlock "Frame Status\nConversion"
SrcPort 1
DstBlock "Abs"
DstPort 1
}
}
}
Block {
BlockType Reference
Name "QPSK\nDemodulator\nBaseband"
Ports [1, 1]
Position [215, 410, 295, 460]
Orientation "left"
BackgroundColor "yellow"
NamePlacement "alternate"
SourceBlock "commdigbbndpm2/QPSK\nDemodulator\nBaseband"
SourceType "QPSK Demodulator Baseband"
OutType "Bit"
Dec "Gray"
Ph "pi/4"
numSamp "1"
}
Block {
BlockType Reference
Name "QPSK\nModulator\nBaseband"
Ports [1, 1]
Position [215, 181, 290, 229]
BackgroundColor "yellow"
SourceBlock "commdigbbndpm2/QPSK\nModulator\nBaseband"
SourceType "QPSK Modulator Baseband"
InType "Bit"
Enc "Gray"
Ph "pi/4"
numSamp "1"
}
Block {
BlockType "S-Function"
Name "S-Function1"
Ports [0, 1]
Position [540, 115, 600, 145]
BackgroundColor "cyan"
FunctionName "stopwatch"
}
Block {
BlockType Selector
Name "Selector1"
Ports [1, 1]
Position [500, 415, 550, 455]
Orientation "left"
BackgroundColor "yellow"
NamePlacement "alternate"
Elements "1:64"
Rows "[1:64]"
InputPortWidth "256"
}
Block {
BlockType Reference
Name "Spectrum\nScope"
Ports [1]
Position [730, 255, 765, 305]
FontSize 10
SourceBlock "dspsnks4/Spectrum\nScope"
SourceType "Spectrum Scope"
ScopeProperties off
Domain "Frequency"
HorizSpan "1"
UseBuffer off
BufferSize "128"
Overlap "64"
inpFftLenInherit on
FFTlength "512"
numAvg "2"
DisplayProperties off
AxisGrid on
Memory off
FrameNumber on
AxisLegend off
AxisZoom off
OpenScopeAtSimStart on
OpenScopeImmediately off
FigPos "get(0,'defaultfigureposition')"
AxisProperties on
XUnits "Hertz"
XRange "[0...Fs/2]"
InheritXIncr off
XIncr "1/(128*6*150*2)"
XLabel "Samples"
YUnits "dB"
YMin "-40"
YMax "0"
YLabel "Magnitude, dB"
LineProperties off
}
Block {
BlockType SubSystem
Name "Subsystem"
Ports []
Position [519, 99, 750, 164]
BackgroundColor "[0.501961, 0.501961, 1.000000]"
ShowName off
TreatAsAtomicUnit off
MaskDisplay "disp('');"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
System {
Name "Subsystem"
Location [232, 358, 730, 658]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "A4"
PaperUnits "centimeters"
ZoomFactor "100"
}
}
Block {
BlockType SubSystem
Name "Subsystem2"
Ports [1, 1]
Position [755, 175, 795, 235]
BackgroundColor "yellow"
ShowName off
TreatAsAtomicUnit off
MaskDisplay "disp('P/S')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
System {
Name "Subsystem2"
Location [181, 167, 734, 358]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "A4"
PaperUnits "centimeters"
ZoomFactor "100"
Block {
BlockType Inport
Name "In1"
Position [115, 43, 145, 57]
BackgroundColor "green"
}
Block {
BlockType Reference
Name "Unbuffer3"
Ports [1, 1]
Position [240, 26, 290, 74]
BackgroundColor "yellow"
SourceBlock "dspbuff3/Unbuffer"
SourceType "Unbuffer"
ic "0"
}
Block {
BlockType Outport
Name "Out1"
Position [350, 43, 380, 57]
BackgroundColor "green"
}
Line {
SrcBlock "In1"
SrcPort 1
DstBlock "Unbuffer3"
DstPort 1
}
Line {
SrcBlock "Unbuffer3"
SrcPort 1
DstBlock "Out1"
DstPort 1
}
}
}
Block {
BlockType SubSystem
Name "Subsystem3"
Ports [1, 1]
Position [755, 405, 795, 465]
Orientation "left"
BackgroundColor "yellow"
ShowName off
TreatAsAtomicUnit off
MaskDisplay "disp('S/P')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
System {
Name "Subsystem3"
Location [251, 278, 670, 522]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "A4"
PaperUnits "centimeters"
ZoomFactor "100"
Block {
BlockType Inport
Name "In1"
Position [190, 43, 220, 57]
Orientation "left"
BackgroundColor "green"
}
Block {
BlockType Reference
Name "Buffer"
Ports [1, 1]
Position [110, 25, 160, 75]
Orientation "left"
BackgroundColor "yellow"
SourceBlock "dspbuff3/Buffer"
SourceType "Buffer"
N "256"
V "0"
ic "0"
}
Block {
BlockType Outport
Name "Out1"
Position [25, 43, 55, 57]
Orientation "left"
BackgroundColor "green"
}
Line {
SrcBlock "In1"
SrcPort 1
DstBlock "Buffer"
DstPort 1
}
Line {
SrcBlock "Buffer"
SrcPort 1
DstBlock "Out1"
DstPort 1
}
}
}
Block {
BlockType ToWorkspace
Name "To Workspace"
Position [410, 355, 470, 385]
BackgroundColor "yellow"
VariableName "ber_orig"
MaxDataPoints "inf"
SampleTime "-1"
SaveFormat "Array"
}
Block {
BlockType Reference
Name "Zero Pad"
Ports [1, 1]
Position [370, 187, 410, 223]
BackgroundColor "yellow"
SourceBlock "dspsigops/Zero Pad"
SourceType "Zero Pad"
padSigAt "End"
zpadAlong "Columns"
padNumOutRowsSpecMethod "User-specified"
numOutRows "256"
padNumOutColsSpecMethod "User-specified"
numOutCols "256"
trunc_flag "None"
}
Block {
BlockType SubSystem
Name "background7"
Ports []
Position [282, 101, 482, 162]
BackgroundColor "orange"
ShowName off
TreatAsAtomicUnit off
MaskDisplay "disp('')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
System {
Name "background7"
Location [209, 325, 575, 532]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "A4"
PaperUnits "centimeters"
ZoomFactor "100"
}
}
Line {
SrcBlock "Bernoulli Binary\nGenerator"
SrcPort 1
Points [0, 0; 35, 0]
Branch {
Labels [1, 0]
DstBlock "QPSK\nModulator\nBaseband"
DstPort 1
}
Branch {
Points [0, 80]
DstBlock "Error Rate\nCalculation"
DstPort 1
}
}
Line {
SrcBlock "QPSK\nDemodulator\nBaseband"
SrcPort 1
Points [-55, 0; 0, -125]
DstBlock "Error Rate\nCalculation"
DstPort 2
}
Line {
SrcBlock "FFT"
SrcPort 1
DstBlock "Selector1"
DstPort 1
}
Line {
SrcBlock "QPSK\nModulator\nBaseband"
SrcPort 1
DstBlock "Zero Pad"
DstPort 1
}
Line {
SrcBlock "Zero Pad"
SrcPort 1
DstBlock "IFFT"
DstPort 1
}
Line {
SrcBlock "Selector1"
SrcPort 1
DstBlock "Frame Status\nConversion"
DstPort 1
}
Line {
SrcBlock "Subsystem2"
SrcPort 1
Points [35, 0]
DstBlock "AWGN\nChannel"
DstPort 1
}
Line {
SrcBlock "Frame Status\nConversion"
SrcPort 1
DstBlock "QPSK\nDemodulator\nBaseband"
DstPort 1
}
Line {
SrcBlock "Error Rate\nCalculation"
SrcPort 1
Points [20, 0]
Branch {
DstBlock "Display"
DstPort 1
}
Branch {
Points [0, 70]
DstBlock "To Workspace"
DstPort 1
}
}
Line {
SrcBlock "Digital Clock"
SrcPort 1
DstBlock "Display2"
DstPort 1
}
Line {
SrcBlock "AWGN\nChannel"
SrcPort 1
Points [0, 95]
DstBlock "Subsystem3"
DstPort 1
}
Line {
SrcBlock "IFFT"
SrcPort 1
Points [35, 0]
Branch {
Points [0, 125]
DstBlock "PAR"
DstPort 1
}
Branch {
Points [85, 0]
Branch {
DstBlock "Subsystem2"
DstPort 1
}
Branch {
Points [0, 75]
DstBlock "Spectrum\nScope"
DstPort 1
}
}
}
Line {
SrcBlock "Subsystem3"
SrcPort 1
DstBlock "FFT"
DstPort 1
}
Line {
SrcBlock "S-Function1"
SrcPort 1
DstBlock "Display1"
DstPort 1
}
Annotation {
Name "Waktu Simulasi"
Position [395, 151]
HorizontalAlignment "left"
FontName "Arial"
FontWeight "bold"
}
Annotation {
Name "Simulation Time"
Position [389, 84]
FontName "Arial"
FontSize 12
FontWeight "bold"
}
Annotation {
Name "关于OFDM仿真系统\n本仿真系统是用于仿真不同降低O"
"FDM系统PAR的方法性能，所仿真PAR降低方案有\n（1）u律压扩（2）分段线性和非线性"
"压扩（3）PTS（4）SLM"
Position [456, 37]
ForegroundColor "blue"
DropShadow on
TeXMode on
FontName "Arial"
FontSize 12
}
Annotation {
Name "系统参数说明：\n（1）64个子载波\n（2）256点IFFT"
"\n（3）信息速率为150kb\n（4）帧长为128bit\n（5）AWGN信道\n（6）子载波全采用QP"
"SK调制"
Position [24, 94]
HorizontalAlignment "left"
ForegroundColor "orange"
DropShadow on
FontName "Arial"
FontSize 12
}
Annotation {
Name "原始OFDM系统"
Position [775, 45]
BackgroundColor "lightBlue"
DropShadow on
FontName "Arial"
FontSize 12
}
Annotation {
Name "仿真用时"
Position [805, 134]
ForegroundColor "blue"
DropShadow on
FontName "Arial"
FontSize 12
}
}
}
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