📄 dsss_awgn.mdl
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ParameterDataTypeMode "Same as input"
ParameterDataType "sfix(16)"
ParameterScalingMode "Best Precision: Matrix-wise"
ParameterScaling "2^0"
OutDataTypeMode "Same as input"
OutDataType "sfix(16)"
OutScaling "2^0"
LockScale off
RndMeth "Floor"
SaturateOnIntegerOverflow on
SampleTime "-1"
}
Block {
BlockType Ground
}
Block {
BlockType Inport
BusObject "BusObject"
BusOutputAsStruct off
PortDimensions "-1"
SampleTime "-1"
DataType "auto"
OutDataType "sfix(16)"
OutScaling "2^0"
SignalType "auto"
SamplingMode "auto"
Interpolate on
}
Block {
BlockType Outport
Port "1"
BusObject "BusObject"
BusOutputAsStruct off
PortDimensions "-1"
SampleTime "-1"
DataType "auto"
OutDataType "sfix(16)"
OutScaling "2^0"
SignalType "auto"
SamplingMode "auto"
OutputWhenDisabled "held"
InitialOutput "[]"
}
Block {
BlockType Product
Inputs "2"
Multiplication "Element-wise(.*)"
InputSameDT on
OutDataTypeMode "Same as first input"
OutDataType "sfix(16)"
OutScaling "2^0"
LockScale off
RndMeth "Zero"
SaturateOnIntegerOverflow on
SampleTime "-1"
}
Block {
BlockType Rounding
Operator "floor"
SampleTime "-1"
}
Block {
BlockType "S-Function"
FunctionName "system"
PortCounts "[]"
SFunctionModules "''"
}
Block {
BlockType Signum
ZeroCross on
SampleTime "-1"
}
Block {
BlockType SubSystem
ShowPortLabels on
Permissions "ReadWrite"
PermitHierarchicalResolution "All"
SystemSampleTime "-1"
RTWFcnNameOpts "Auto"
RTWFileNameOpts "Auto"
SimViewingDevice off
DataTypeOverride "UseLocalSettings"
MinMaxOverflowLogging "UseLocalSettings"
}
Block {
BlockType Sum
IconShape "rectangular"
Inputs "++"
InputSameDT on
OutDataTypeMode "Same as first input"
OutDataType "sfix(16)"
OutScaling "2^0"
LockScale off
RndMeth "Floor"
SaturateOnIntegerOverflow on
SampleTime "-1"
}
}
AnnotationDefaults {
HorizontalAlignment "center"
VerticalAlignment "middle"
ForegroundColor "black"
BackgroundColor "white"
DropShadow off
FontName "Helvetica"
FontSize 10
FontWeight "normal"
FontAngle "normal"
}
LineDefaults {
FontName "Helvetica"
FontSize 9
FontWeight "normal"
FontAngle "normal"
}
System {
Name "dsss_awgn"
Location [8, 137, 1256, 430]
Open on
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "A4"
PaperUnits "centimeters"
ZoomFactor "100"
ReportName "simulink-default.rpt"
Block {
BlockType Reference
Name "AWGN\nChannel"
Ports [1, 1]
Position [490, 84, 570, 126]
FontSize 10
SourceBlock "commchan2/AWGN\nChannel"
SourceType "AWGN Channel"
ShowPortLabels on
seed "67"
noiseMode "Signal to noise ratio (Eb/No)"
EbNodB "10"
EsNodB "10"
SNRdB "10"
bitsPerSym "1"
Ps "1"
Tsym "1/1000"
variance "1"
}
Block {
BlockType Reference
Name "BPSK\nDemodulator\nBaseband"
Ports [1, 1]
Position [595, 81, 670, 129]
FontSize 10
SourceBlock "commdigbbndpm2/BPSK\nDemodulator\nBaseband"
SourceType "BPSK Demodulator Baseband"
ShowPortLabels on
Ph "0"
numSamp "1"
}
Block {
BlockType Reference
Name "BPSK\nModulator\nBaseband"
Ports [1, 1]
Position [390, 81, 465, 129]
FontSize 10
SourceBlock "commdigbbndpm2/BPSK\nModulator\nBaseband"
SourceType "BPSK Modulator Baseband"
ShowPortLabels on
Ph "0"
numSamp "1"
}
Block {
BlockType Reference
Name "Bipolar to\nUnipolar\nConverter"
Ports [1, 1]
Position [290, 83, 370, 127]
FontSize 10
SourceBlock "commutil2/Bipolar to\nUnipolar\nConverter"
SourceType "Bipolar to Unipolar Converter"
ShowPortLabels on
M "2"
polarity "Positive"
}
Block {
BlockType Reference
Name "Bipolar to\nUnipolar\nConverter1"
Ports [1, 1]
Position [1000, 93, 1080, 137]
FontSize 10
SourceBlock "commutil2/Bipolar to\nUnipolar\nConverter"
SourceType "Bipolar to Unipolar Converter"
ShowPortLabels on
M "2"
polarity "Positive"
}
Block {
BlockType Display
Name "Display"
Ports [1]
Position [1090, 162, 1180, 228]
Orientation "left"
FontSize 10
Decimation "1"
}
Block {
BlockType Reference
Name "Error Rate\nCalculation"
Ports [2, 1]
Position [1110, 77, 1185, 128]
FontSize 10
SourceBlock "commsink2/Error Rate\nCalculation"
SourceType "Error Rate Calculation"
N "1"
st_delay "0"
cp_mode "Entire frame"
subframe "[]"
PMode "Port"
WsName "ErrorVec"
RsMode2 off
stop off
numErr "100"
maxBits "1e6"
}
Block {
BlockType Reference
Name "Integrate\nand Dump"
Ports [1, 1]
Position [845, 93, 925, 137]
FontSize 10
SourceBlock "commfilt2/Integrate\nand Dump"
SourceType "Integrate and dump"
obssamples "10"
offsetsamples "0"
nodump off
}
Block {
BlockType Reference
Name "PN Sequence\nGenerator"
Ports [0, 1]
Position [15, 128, 95, 172]
FontSize 10
SourceBlock "commseqgen2/PN Sequence\nGenerator"
SourceType "PN Sequence Generator"
poly "[1 0 0 0 0 1 1]"
ini_sta "[0 0 0 0 0 1]"
shift "0"
Ts "1/(1000*10)"
frameBased off
sampPerFrame "1"
reset off
}
Block {
BlockType Product
Name "Product"
Ports [2, 1]
Position [240, 87, 270, 118]
InputSameDT off
OutDataTypeMode "Inherit via internal rule"
SaturateOnIntegerOverflow off
}
Block {
BlockType Product
Name "Product1"
Ports [2, 1]
Position [795, 97, 825, 128]
InputSameDT off
OutDataTypeMode "Inherit via internal rule"
SaturateOnIntegerOverflow off
}
Block {
BlockType Reference
Name "Random Integer\nGenerator"
Ports [0, 1]
Position [15, 33, 95, 77]
FontName "Arial"
FontSize 10
SourceBlock "commrandsrc2/Random Integer\nGenerator"
SourceType "Random Integer Generator"
ShowPortLabels on
mul "2"
seed "37"
Ts "1/1000"
frameBased off
sampPerFrame "1"
orient off
}
Block {
BlockType Signum
Name "Sign"
Position [945, 100, 975, 130]
}
Block {
BlockType Reference
Name "Unipolar to\nBipolar\nConverter"
Ports [1, 1]
Position [115, 33, 195, 77]
FontSize 10
SourceBlock "commutil2/Unipolar to\nBipolar\nConverter"
SourceType "Unipolar to Bipolar Converter"
ShowPortLabels on
M "2"
polarity "Positive"
}
Block {
BlockType Reference
Name "Unipolar to\nBipolar\nConverter1"
Ports [1, 1]
Position [115, 128, 195, 172]
FontSize 10
SourceBlock "commutil2/Unipolar to\nBipolar\nConverter"
SourceType "Unipolar to Bipolar Converter"
ShowPortLabels on
M "2"
polarity "Positive"
}
Block {
BlockType Reference
Name "Unipolar to\nBipolar\nConverter2"
Ports [1, 1]
Position [685, 83, 765, 127]
FontSize 10
SourceBlock "commutil2/Unipolar to\nBipolar\nConverter"
SourceType "Unipolar to Bipolar Converter"
ShowPortLabels on
M "2"
polarity "Positive"
}
Line {
SrcBlock "BPSK\nModulator\nBaseband"
SrcPort 1
DstBlock "AWGN\nChannel"
DstPort 1
}
Line {
SrcBlock "BPSK\nDemodulator\nBaseband"
SrcPort 1
DstBlock "Unipolar to\nBipolar\nConverter2"
DstPort 1
}
Line {
SrcBlock "Product1"
SrcPort 1
DstBlock "Integrate\nand Dump"
DstPort 1
}
Line {
SrcBlock "Random Integer\nGenerator"
SrcPort 1
Points [0, 0]
Branch {
DstBlock "Unipolar to\nBipolar\nConverter"
DstPort 1
}
Branch {
Points [0, -40; 985, 0; 0, 75]
DstBlock "Error Rate\nCalculation"
DstPort 1
}
}
Line {
SrcBlock "PN Sequence\nGenerator"
SrcPort 1
DstBlock "Unipolar to\nBipolar\nConverter1"
DstPort 1
}
Line {
SrcBlock "Unipolar to\nBipolar\nConverter"
SrcPort 1
Points [15, 0; 0, 40]
DstBlock "Product"
DstPort 1
}
Line {
SrcBlock "Unipolar to\nBipolar\nConverter1"
SrcPort 1
Points [15, 0]
Branch {
Points [0, -40]
DstBlock "Product"
DstPort 2
}
Branch {
Points [0, 35; 565, 0]
DstBlock "Product1"
DstPort 2
}
}
Line {
SrcBlock "Product"
SrcPort 1
DstBlock "Bipolar to\nUnipolar\nConverter"
DstPort 1
}
Line {
SrcBlock "Bipolar to\nUnipolar\nConverter"
SrcPort 1
DstBlock "BPSK\nModulator\nBaseband"
DstPort 1
}
Line {
SrcBlock "Unipolar to\nBipolar\nConverter2"
SrcPort 1
DstBlock "Product1"
DstPort 1
}
Line {
SrcBlock "Integrate\nand Dump"
SrcPort 1
DstBlock "Sign"
DstPort 1
}
Line {
SrcBlock "Sign"
SrcPort 1
DstBlock "Bipolar to\nUnipolar\nConverter1"
DstPort 1
}
Line {
SrcBlock "Bipolar to\nUnipolar\nConverter1"
SrcPort 1
DstBlock "Error Rate\nCalculation"
DstPort 2
}
Line {
SrcBlock "Error Rate\nCalculation"
SrcPort 1
Points [10, 0; 0, 90]
DstBlock "Display"
DstPort 1
}
Line {
SrcBlock "AWGN\nChannel"
SrcPort 1
DstBlock "BPSK\nDemodulator\nBaseband"
DstPort 1
}
Annotation {
Name "Data rate is set to 1/1000.\nSet the processing"
" gain in PN Sequence Generator Block"
Position [167, 254]
}
}
}
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