📄 soft_rad.mdl
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SampleMode "Discrete"
OutComplex "Complex"
CompMethod "Trigonometric fcn"
TableSize "Speed"
SampleTime "1/(7e7*8)"
SamplesPerFrame "1"
additionalParams on
allowOverrides on
dataType "double"
wordLen "16"
udDataType "sfix(16)"
fracBitsMode "Best precision"
numFracBits "15"
ResetState "Restart at time zero"
}
Block {
BlockType Sum
Name "Sum"
Ports [2, 1]
Position [405, 110, 425, 130]
ShowName off
}
Block {
BlockType Outport
Name "IF Signal"
Position [480, 113, 510, 127]
}
Line {
SrcBlock "Sine Wave1"
SrcPort 1
DstBlock "Math\nFunction"
DstPort 1
}
Line {
SrcBlock "Math\nFunction"
SrcPort 1
DstBlock "Complex to\nReal-Imag3"
DstPort 1
}
Line {
SrcBlock "In1"
SrcPort 1
DstBlock "Complex to\nReal-Imag"
DstPort 1
}
Line {
SrcBlock "Complex to\nReal-Imag"
SrcPort 1
Points [0, -50]
DstBlock "Mixer for I"
DstPort 1
}
Line {
SrcBlock "Complex to\nReal-Imag"
SrcPort 2
Points [0, 80]
DstBlock "Mixer for I1"
DstPort 2
}
Line {
SrcBlock "Complex to\nReal-Imag3"
SrcPort 1
Points [0, -50]
DstBlock "Mixer for I"
DstPort 2
}
Line {
SrcBlock "Complex to\nReal-Imag3"
SrcPort 2
Points [0, 50]
DstBlock "Mixer for I1"
DstPort 1
}
Line {
SrcBlock "Mixer for I"
SrcPort 1
Points [10, 0]
DstBlock "Sum"
DstPort 1
}
Line {
SrcBlock "Mixer for I1"
SrcPort 1
Points [10, 0]
DstBlock "Sum"
DstPort 2
}
Line {
SrcBlock "Sum"
SrcPort 1
DstBlock "IF Signal"
DstPort 1
}
}
}
Block {
BlockType Reference
Name "RX Root Raised\nCosine Filter"
Ports [1, 1]
Position [410, 327, 475, 383]
Orientation "left"
UserDataPersistent on
UserData "DataTag0"
SourceBlock "dsparch3/Digital\nFilter Design"
SourceType "Digital Filter Design"
}
Block {
BlockType Reference
Name "Random-Integer\nGenerator"
Ports [0, 1]
Position [15, 58, 95, 102]
SourceBlock "commrandsrc2/Random Integer\nGenerator"
SourceType "Random Integer Generator"
mul "16"
seed "12"
Ts "2e-7"
frameBased off
sampPerFrame "128"
orient off
}
Block {
BlockType Reference
Name "Rectangular QAM\nModulator\nBaseband"
Ports [1, 1]
Position [120, 54, 195, 106]
SourceBlock "commdigbbndam2/Rectangular QAM\nModulator\nBase"
"band"
SourceType "Rectangular QAM Modulator Baseband"
M "16"
InType "Integer"
Enc "Binary"
PowType "Average Power"
MinDist "2"
AvgPow "1"
PeakPow "1"
Ph "0"
numSamp "1"
}
Block {
BlockType Reference
Name "Spectrum\nScope"
Ports [1]
Position [485, 210, 520, 260]
Orientation "left"
SourceBlock "dspsnks4/Spectrum\nScope"
SourceType "Spectrum Scope"
ScopeProperties off
Domain "Frequency"
HorizSpan "1"
UseBuffer on
BufferSize "1024"
Overlap "64"
inpFftLenInherit on
FFTlength "1024"
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]"
InheritXIncr on
XIncr "1.0"
XLabel "Samples"
YUnits "dB"
YMin "-75.2503788351293"
YMax "11.4853021952885"
YLabel "Magnitude, dB"
LineProperties off
}
Block {
BlockType Reference
Name "TX Root Raised\nCosine Filter"
Ports [1, 1]
Position [345, 52, 410, 108]
UserDataPersistent on
UserData "DataTag1"
SourceBlock "dsparch3/Digital\nFilter Design"
SourceType "Digital Filter Design"
}
Block {
BlockType Reference
Name "Upsample"
Ports [1, 1]
Position [290, 63, 325, 97]
SourceBlock "dspsigops/Upsample"
SourceType "Upsample"
N "8"
phase "0"
ic "0"
mode "Maintain input frame size"
}
Line {
SrcBlock "Random-Integer\nGenerator"
SrcPort 1
DstBlock "Rectangular QAM\nModulator\nBaseband"
DstPort 1
}
Line {
SrcBlock "Rectangular QAM\nModulator\nBaseband"
SrcPort 1
DstBlock "Channel model"
DstPort 1
}
Line {
SrcBlock "Upsample"
SrcPort 1
DstBlock "TX Root Raised\nCosine Filter"
DstPort 1
}
Line {
SrcBlock "TX Root Raised\nCosine Filter"
SrcPort 1
DstBlock "Gain"
DstPort 1
}
Line {
SrcBlock "IF upconversion"
SrcPort 1
Points [35, 0]
DstBlock "AWGN\nChannel"
DstPort 1
}
Line {
SrcBlock "AWGN\nChannel"
SrcPort 1
DstBlock "A/D"
DstPort 1
}
Line {
SrcBlock "A/D"
SrcPort 1
Points [0, 10]
Branch {
Points [0, 120]
DstBlock "IF downconverion"
DstPort 1
}
Branch {
DstBlock "Spectrum\nScope"
DstPort 1
}
}
Line {
SrcBlock "IF downconverion"
SrcPort 1
DstBlock "RX Root Raised\nCosine Filter"
DstPort 1
}
Line {
SrcBlock "Downsample"
SrcPort 1
DstBlock "FSE Equalizer"
DstPort 1
}
Line {
SrcBlock "FSE Equalizer"
SrcPort 1
DstBlock "Complex to\nReal-Imag"
DstPort 1
}
Line {
SrcBlock "Complex to\nReal-Imag"
SrcPort 1
DstBlock "Constellation"
DstPort 1
}
Line {
SrcBlock "Complex to\nReal-Imag"
SrcPort 2
DstBlock "Constellation"
DstPort 2
}
Line {
SrcBlock "FSE Equalizer"
SrcPort 2
Points [-15, 0; 0, 15]
DstBlock "Equalizer taps"
DstPort 1
}
Line {
SrcBlock "Gain"
SrcPort 1
DstBlock "IF upconversion"
DstPort 1
}
Line {
SrcBlock "RX Root Raised\nCosine Filter"
SrcPort 1
DstBlock "Gain1"
DstPort 1
}
Line {
SrcBlock "Channel model"
SrcPort 1
DstBlock "Upsample"
DstPort 1
}
Line {
SrcBlock "Gain1"
SrcPort 1
Points [0, 0; -5, 0]
Branch {
DstBlock "Downsample"
DstPort 1
}
Branch {
Points [0, -110]
DstBlock "Discrete-Time\nEye and Scatter\nDiagrams"
DstPort 1
}
}
}
}
MatData {
NumRecords 2
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