📄 qamnyqmf.mdl
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PaperOrientation "landscape"
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PaperType "usletter"
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Block {
BlockType Inport
Name "in_1"
Position [15, 45, 35, 65]
}
Block {
BlockType Inport
Name "in_2"
Position [15, 60, 35, 80]
Port "2"
}
Block {
BlockType Mux
Name "Mux"
Ports [2, 1]
Position [65, 46, 100, 79]
Inputs "2"
}
Block {
BlockType "S-Function"
Name "S-function"
Ports [1]
Position [130, 52, 195, 78]
FunctionName "sbiterr"
Parameters "num_lin, K, TDelay, Sample"
}
Line {
SrcBlock "Mux"
SrcPort 1
DstBlock "S-function"
DstPort 1
}
Line {
SrcBlock "in_1"
SrcPort 1
DstBlock "Mux"
DstPort 1
}
Line {
SrcBlock "in_2"
SrcPort 1
DstBlock "Mux"
DstPort 2
}
}
}
Block {
BlockType SubSystem
Name "Receiver"
Ports [1, 1]
Position [650, 62, 725, 148]
ShowPortLabels off
TreatAsAtomicUnit off
System {
Name "Receiver"
Location [4, 186, 1016, 498]
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ScreenColor "white"
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Block {
BlockType Inport
Name "noisy\n16-QAM\nsignal"
Position [25, 145, 45, 165]
}
Block {
BlockType Reference
Name "16-QAM"
Ports [2, 1]
Position [980, 120, 1035, 175]
SourceBlock "simulink3/Functions\n& Tables/Direct Look-U"
"p\nTable (n-D)"
SourceType "LookupNDDirect"
maskTabDims "2"
explicitNumDims "1"
outDims "Element"
tabIsInput "off"
mxTable "[0 1 2 3; 4 5 6 7; 8 9 10 11; 12 13 14 15]"
clipFlag "Warning"
}
Block {
BlockType SubSystem
Name "4-ASK demap"
Ports [1, 1]
Position [855, 104, 925, 146]
TreatAsAtomicUnit off
MaskType "MASK demapping"
MaskDescription "Reverse the MASK mapping process\nConvert ["
"-1 1] analog signal to [0, M-1] symbols."
MaskHelp "This block demaps a MASK mapped signal back"
" to digit symbols. You can place this block after a amplitude demodulation bl"
"ock. The input of this block is an analog signal in the range [-1, 1]. The de"
"modulation decides the closest integer fitting in [0,M-1] range. When the inp"
"ut symbol interval is a two-elements vector, the second element is offset. Th"
"e default offset value is 0."
MaskPromptString "M-ary number (digit integers in ranger [0, "
"M-1]):|Output symbol interval and offset (sec):"
MaskStyleString "edit,edit"
MaskTunableValueString "on,on"
MaskCallbackString "|"
MaskEnableString "on,on"
MaskVisibilityString "on,on"
MaskToolTipString "on,on"
MaskVarAliasString ","
MaskVariables "N=@1;td=@2;"
MaskInitialization "Ac=1;sft=[0:N-1]*Ac*2/(N-1)-Ac;"
MaskDisplay "disp('MASK\\ndemapping')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "4|[1, .9]"
System {
Name "4-ASK demap"
Location [617, 158, 1115, 458]
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PaperOrientation "landscape"
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Block {
BlockType Inport
Name "in_1"
Position [40, 30, 60, 50]
}
Block {
BlockType Abs
Name "Abs"
Position [245, 37, 280, 63]
}
Block {
BlockType "S-Function"
Name "Minimum"
Ports [1, 1]
Position [325, 40, 380, 60]
FunctionName "arymimai"
Parameters "'min'"
}
Block {
BlockType Constant
Name "Shift key"
Position [125, 88, 145, 112]
Value "sft"
}
Block {
BlockType Sum
Name "Sum2"
Ports [2, 1]
Position [190, 33, 210, 62]
Inputs "+-"
}
Block {
BlockType ZeroOrderHold
Name "Zero-Order\nHold"
Position [95, 24, 130, 56]
SampleTime "td"
}
Block {
BlockType Outport
Name "out_1"
Position [410, 40, 430, 60]
}
Line {
SrcBlock "Sum2"
SrcPort 1
DstBlock "Abs"
DstPort 1
}
Line {
SrcBlock "Shift key"
SrcPort 1
Points [15, 0; 0, -45]
DstBlock "Sum2"
DstPort 2
}
Line {
SrcBlock "Minimum"
SrcPort 1
DstBlock "out_1"
DstPort 1
}
Line {
SrcBlock "Zero-Order\nHold"
SrcPort 1
DstBlock "Sum2"
DstPort 1
}
Line {
SrcBlock "Abs"
SrcPort 1
DstBlock "Minimum"
DstPort 1
}
Line {
SrcBlock "in_1"
SrcPort 1
DstBlock "Zero-Order\nHold"
DstPort 1
}
}
}
Block {
BlockType SubSystem
Name "4-ASK demap1"
Ports [1, 1]
Position [860, 169, 930, 211]
TreatAsAtomicUnit off
MaskType "MASK demapping"
MaskDescription "Reverse the MASK mapping process\nConvert ["
"-1 1] analog signal to [0, M-1] symbols."
MaskHelp "This block demaps a MASK mapped signal back"
" to digit symbols. You can place this block after a amplitude demodulation bl"
"ock. The input of this block is an analog signal in the range [-1, 1]. The de"
"modulation decides the closest integer fitting in [0,M-1] range. When the inp"
"ut symbol interval is a two-elements vector, the second element is offset. Th"
"e default offset value is 0."
MaskPromptString "M-ary number (digit integers in ranger [0, "
"M-1]):|Output symbol interval and offset (sec):"
MaskStyleString "edit,edit"
MaskTunableValueString "on,on"
MaskCallbackString "|"
MaskEnableString "on,on"
MaskVisibilityString "on,on"
MaskToolTipString "on,on"
MaskVarAliasString ","
MaskVariables "N=@1;td=@2;"
MaskInitialization "Ac=1;sft=[0:N-1]*Ac*2/(N-1)-Ac;"
MaskDisplay "disp('MASK\\ndemapping')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "4|[1, .9]"
System {
Name "4-ASK demap1"
Location [617, 158, 1115, 458]
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ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Block {
BlockType Inport
Name "in_1"
Position [40, 30, 60, 50]
}
Block {
BlockType Abs
Name "Abs"
Position [245, 37, 280, 63]
}
Block {
BlockType "S-Function"
Name "Minimum"
Ports [1, 1]
Position [325, 40, 380, 60]
FunctionName "arymimai"
Parameters "'min'"
}
Block {
BlockType Constant
Name "Shift key"
Position [125, 88, 145, 112]
Value "sft"
}
Block {
BlockType Sum
Name "Sum2"
Ports [2, 1]
Position [190, 33, 210, 62]
Inputs "+-"
}
Block {
BlockType ZeroOrderHold
Name "Zero-Order\nHold"
Position [95, 24, 130, 56]
SampleTime "td"
}
Block {
BlockType Outport
Name "out_1"
Position [410, 40, 430, 60]
}
Line {
SrcBlock "Sum2"
SrcPort 1
DstBlock "Abs"
DstPort 1
}
Line {
SrcBlock "Shift key"
SrcPort 1
Points [15, 0; 0, -45]
DstBlock "Sum2"
DstPort 2
}
Line {
SrcBlock "Minimum"
SrcPort 1
DstBlock "out_1"
DstPort 1
}
Line {
SrcBlock "Zero-Order\nHold"
SrcPort 1
DstBlock "Sum2"
DstPort 1
}
Line {
SrcBlock "Abs"
SrcPort 1
DstBlock "Minimum"
DstPort 1
}
Line {
SrcBlock "in_1"
SrcPort 1
DstBlock "Zero-Order\nHold"
DstPort 1
}
}
}
Block {
BlockType Clock
Name "Clock"
Position [145, 140, 165, 160]
ShowName off
Decimation "10"
}
Block {
BlockType Fcn
Name "Fcn"
Position [185, 119, 265, 141]
ShowName off
Expr "2*cos(4*pi*u)"
}
Block {
BlockType Fcn
Name "Fcn1"
Position [185, 159, 265, 181]
ShowName off
Expr "-2*sin(4*pi*u)"
}
Block {
BlockType Gain
Name "Gain1"
Position [510, 212, 535, 238]
ShowName off
Gain "1/20"
}
Block {
BlockType Gain
Name "Gain2"
Position [510, 77, 535, 103]
ShowName off
Gain "1/20"
}
Block {
BlockType Product
Name "Product"
Ports [2, 1]
Position [300, 74, 330, 101]
ShowName off
}
Block {
BlockType Product
Name "Product1"
Ports [2, 1]
Position [295, 213, 325, 237]
ShowName off
}
Block {
BlockType SubSystem
Name "Raised-Cosine\nreceive filter"
Ports [1, 1]
Position [410, 68, 490, 112]
ShowPortLabels off
TreatAsAtomicUnit off
MaskType "R-C filter"
MaskDescription "Design a raised cosine filter and use it to"
" filter the input signal."
MaskHelp "This block designs a raised cosine filter u"
"sing the specified parameter. The filter is used to filter the input signal. "
"You can optionally use the sinc filter in the filtering computation."
MaskPromptString "Symbol interval (sec):|Computation sampling"
" time (sec):|Filter rolloff factor:|Delay step (integer to multiply symbol in"
"terval):|Filter type (FIR or IIR) / (Normal or Sqrt):|With or without sinc fi"
"lter (1 or 0, suggest 1):"
MaskStyleString "edit,edit,edit,edit,edit,edit"
MaskTunableValueString "on,on,on,on,on,on"
MaskCallbackString "|||||"
MaskEnableString "on,on,on,on,on,on"
MaskVisibilityString "on,on,on,on,on,on"
MaskToolTipString "on,on,on,on,on,on"
MaskVarAliasString ",,,,,"
MaskInitialization "td=@1;if length(td)>1,off=td(2);td=td(1);el"
"se,off=0;end;ts=@2;R=@3;delay=@4;fil=@5;[num,den]=rcosine(1/td(1),1/ts(1),fil"
",R,delay);x=@6/2;"
MaskDisplay "disp('R-C\\nfilter')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "1|.05|0.5|6|'FIR'|0"
System {
Name "Raised-Cosine\nreceive filter"
Location [131, 545, 589, 761]
Open off
ModelBrowserVisibility off
ModelBrowserWidth 200
ScreenColor "white"
PaperOrientation "landscape"
PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
ZoomFactor "100"
Block {
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