ofdm_13.mdl

Model {
  Name			  "ofdm_13"
  Version		  7.4
  MdlSubVersion		  0
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  Description		  "Pilot Driven OFDM  Synchronization"
  SavedCharacterEncoding  "windows-1252"
  PreLoadFcn		  "Fsymbol              = .5e6;         % Symbol rate \nD=8;  % decimation / interpolation \nBits_per_Sy"
  "mbol = 2;\nFbit  = Bits_per_Symbol*Fsymbol;\n\nFFT_Size  = 64;\nCyclic        = 16;\nPilots         = 16;   \nPilot_"
  "Level = 8;\nZero_Pad  = 3; \nQAM_Level = 6;\n\nOFDM_Frame =  FFT_Size+Cyclic;\nSymbols_per_Frame = FFT_Size-Pilots-Z"
  "ero_Pad;\n\nBits_per_Frame = Bits_per_Symbol*Symbols_per_Frame;\n\nF_nco = Fsymbol*D*OFDM_Frame/(Symbols_per_Frame);"
  "\nnco_nominal=2/D;\n\n\nFdelay = 8;  % rrc filter delay\nAlpha = .25;  % excess BW\nrrc_coef=rcosine(1,D,'fir/sqrt',"
  "Alpha,Fdelay);\nrrc_coef=rrc_coef/sum(rrc_coef);\n\n\n% coefficents for Farrow filter\nb3 = [1/6 -1/2  1/2 -1/6];\nb"
  "2 = [1/2 -1    1/2  0];\nb1 = [1/3  1/2 -1    1/6];\nb0 = [0    1    0    0];\n\n\n"
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  MaxMDLFileLineLength	  120
  StartFcn		  "tic"
  StopFcn		  "trun=toc"
  Created		  "Thu Feb 15 10:15:47 2001"
  Creator		  "Dick Benson"
  UpdateHistory		  "UpdateHistoryNever"
  ModifiedByFormat	  "%<Auto>"
  LastModifiedBy	  "Dick"
  ModifiedDateFormat	  "%<Auto>"
  LastModifiedDate	  "Tue Jan 05 13:56:25 2010"
  RTWModifiedTimeStamp	  184600573
  ModifiedHistory	  "12/8/07  D&C \n12/03/08  Added BER, tuned control loops, enhanced channel model."
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      framePeriod	      "2/F_nco"
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      allowOverrides	      on
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    Block {
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      RTWMemSecFuncInitTerm   "Inherit from model"
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      discreteOutput	      "Sample-based (interpret vectors as 1-D)"
      continuousOutput	      "Sample-based"
      sampTime		      "inf"
      framePeriod	      "inf"
      additionalParams	      on
      allowOverrides	      on
      dataType		      "Inherit via back propagation"
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    Block {
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      FunctionWithSeparateData off
      RTWMemSecFuncInitTerm   "Inherit from model"
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      framePeriod	      "inf"
      additionalParams	      on
      allowOverrides	      on
      dataType		      "Inherit via back propagation"
      isSigned		      on
      wordLen		      "16"
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	Block {
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	  FunctionWithSeparateData off
	  RTWMemSecFuncInitTerm	  "Inherit from model"
	  RTWMemSecFuncExecute	  "Inherit from model"
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	  RTWMemSecDataParameters "Inherit from model"
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	  continuousOutput	  "Sample-based"
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	  framePeriod		  "ts"
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	  allowOverrides	  on
	  dataType		  "Inherit via back propagation"
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	  wordLen		  "16"
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	  FunctionWithSeparateData off
	  RTWMemSecFuncInitTerm	  "Inherit from model"
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	  RTWMemSecDataParameters "Inherit from model"
	  Value			  "pi2"
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	  discreteOutput	  "Sample-based (interpret vectors as 1-D)"
	  continuousOutput	  "Sample-based"
	  sampTime		  "ts"
	  framePeriod		  "ts"
	  additionalParams	  on
	  allowOverrides	  on
	  dataType		  "Inherit via back propagation"
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	Block {
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	      Points		      [15, 0]
	      Branch {
		DstBlock		"Add2"
		DstPort			2
	      }
	      Branch {
		Points			[0, 55]
		DstBlock		"Delay1"
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	    }
	    Line {
	      SrcBlock		      "Add1"
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	      DstBlock		      "Saturation"
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	    }
	    Line {
	      SrcBlock		      "Delay1"
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	      Points		      [-45, 0]
	      DstBlock		      "Add1"
	      DstPort		      2
	    }
	    Line {
	      SrcBlock		      "Saturation1"
	      SrcPort		      1
	      DstBlock		      "Out"
	      DstPort		      1
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	  }
	}
	Block {
	  BlockType		  Reference
	  Name			  "Channel Coef"
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	  Ports			  [1]
	  Position		  [390, 330, 425, 380]
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	  DialogController	  "dspdialog.VectorScope"
	  DialogControllerArgs	  "DataTag3"
	  SourceBlock		  "dspsnks4/Vector\nScope"
	  SourceType		  "Vector Scope"
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	  Domain		  "Time"
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	  AxisGrid		  on
	  Memory		  off
	  FrameNumber		  off
	  AxisLegend		  off
	  AxisZoom		  off
	  OpenScopeAtSimStart	  on
	  OpenScopeImmediately	  off
	  FigPos		  "[827 549 193 173]"
	  AxisProperties	  off
	  XUnits		  "Hertz"
	  XRange		  "[0...Fs/2]"
	  InheritXIncr		  on
	  XIncr			  "1"
	  XLabel		  "Time"
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	  XMin			  "0"
	  XMax			  "1"
	  XStart		  "0"
	  YUnits		  "dB"
	  YMin			  "-2"
	  YMax			  "2"
	  YLabel		  "Amplitude"
	  LineProperties	  off
	  LineStyles		  "none|none"
	  LineMarkers		  "*|*"
	  LineColors		  "blue | red"
	  ShowPortLabels	  off
	  XAxisParamsVer	  "6.8"
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	Block {
	  BlockType		  Reference
	  Name			  "Channel Est Mag "
	  SID			  130
	  Ports			  [1]
	  Position		  [675, 330, 710, 380]
	  LibraryVersion	  "1.449"
	  DialogController	  "dspdialog.VectorScope"
	  DialogControllerArgs	  "DataTag4"
	  SourceBlock		  "dspsnks4/Vector\nScope"
	  SourceType		  "Vector Scope"
	  ScopeProperties	  on
	  Domain		  "Frequency"
	  HorizSpan		  "1"
	  DisplayProperties	  off
	  AxisGrid		  on
	  Memory		  off
	  FrameNumber		  on
	  AxisLegend		  off
	  AxisZoom		  off
	  OpenScopeAtSimStart	  on
	  OpenScopeImmediately	  off
	  FigPos		  "[624 329 193 172]"
	  AxisProperties	  off
	  XUnits		  "Hertz"
	  XRange		  "[-Fs/2...Fs/2]"
	  InheritXIncr		  off
	  XIncr			  "8/F_nco"
	  XLabel		  "Time"
	  XLimit		  "Auto"
	  XMin			  "0"
	  XMax			  "1"
	  XStart		  "0"
	  YUnits		  "dB"
	  YMin			  "-20"
	  YMax			  "15"
	  YLabel		  "Amplitude in dB"
	  LineProperties	  off
	  ShowPortLabels	  off
	  XAxisParamsVer	  "6.8"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Channel Est Phase"
	  SID			  131
	  Ports			  [1]
	  Position		  [635, 210, 670, 260]
	  LibraryVersion	  "1.449"
	  DialogController	  "dspdialog.VectorScope"
	  DialogControllerArgs	  "DataTag5"
	  SourceBlock		  "dspsnks4/Vector\nScope"
	  SourceType		  "Vector Scope"
	  ScopeProperties	  on
	  Domain		  "Frequency"
	  HorizSpan		  "1"
	  DisplayProperties	  off
	  AxisGrid		  on
	  Memory		  off
	  FrameNumber		  off
	  AxisLegend		  off
	  AxisZoom		  off
	  OpenScopeAtSimStart	  on
	  OpenScopeImmediately	  off
	  FigPos		  "[827 332 196 169]"
	  AxisProperties	  off
	  XUnits		  "Hertz"
	  XRange		  "[-Fs/2...Fs/2]"
	  InheritXIncr		  off
	  XIncr			  "8/F_nco"
	  XLabel		  "Time"
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	  XMin			  "0"
	  XMax			  "1"
	  XStart		  "0"
	  YUnits		  "Magnitude"
	  YMin			  "-400"
	  YMax			  "400"
	  YLabel		  "Degrees"
	  LineProperties	  off
	  LineColors		  "blue "
	  ShowPortLabels	  off
	  XAxisParamsVer	  "6.8"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Data"
	  SID			  132
	  Tag			  "ScatterPlot"
	  Ports			  [1]
	  Position		  [680, 124, 755, 176]
	  LibraryVersion	  "1.308"
	  SourceBlock		  "commsink2/Discrete-Time\nScatter Plot\nScope"
	  SourceType		  "Discrete-Time Scatter Plot Scope"
	  ShowPortLabels	  "FromPortIcon"
	  SystemSampleTime	  "-1"
	  FunctionWithSeparateData off
	  RTWMemSecFuncInitTerm	  "Inherit from model"
	  RTWMemSecFuncExecute	  "Inherit from model"
	  RTWMemSecDataConstants  "Inherit from model"
	  RTWMemSecDataInternal	  "Inherit from model"
	  RTWMemSecDataParameters "Inherit from model"
	  sampPerSymb		  "1"
	  offsetEye		  "0"
	  numTraces		  "100"
	  numNewFrames		  "10"
	  LineMarkers		  "square"
	  LineColors		  "r"
	  fading		  off
	  render		  off
	  AxisGrid		  on
	  xMin			  "-2"
	  xMax			  "2"
	  yMin			  "-2"
	  yMax			  "2"
	  inphaseLabel		  "In-phase Amplitude"
	  quadratureLabel	  "Quadrature Amplitude"
	  openScopeAtSimStart	  on
	  FrameNumber		  off
	  FigPos		  "[626 82 194 198]"
	  figTitle		  "Scatter Plot"
	  numLinesMax		  "8"
	  block_type_		  "scatter"
	}
	Block {
	  BlockType		  Reference
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	  SID			  133
	  Ports			  [1, 1]
	  Position		  [260, 164, 305, 196]
	  LibraryVersion	  "1.492"
	  SourceBlock		  "dspobslib/Frame Status\nConversion"
	  SourceType		  "Frame Status Conversion"
	  ShowPortLabels	  "none"
	  SystemSampleTime	  "-1"
	  FunctionWithSeparateData off
	  RTWMemSecFuncInitTerm	  "Inherit from model"
	  RTWMemSecFuncExecute	  "Inherit from model"
	  RTWMemSecDataConstants  "Inherit from model"
	  RTWMemSecDataInternal	  "Inherit from model"
	  RTWMemSecDataParameters "Inherit from model"
	  growRefPort		  off
	  outframe		  "Frame-based"
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	Block {
	  BlockType		  SubSystem
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	  SID			  134
	  Ports			  [1, 3]
	  Position		  [235, 239, 335, 381]
	  MinAlgLoopOccurrences	  off
	  PropExecContextOutsideSubsystem off
	  RTWSystemCode		  "Auto"
	  FunctionWithSeparateData off
	  Opaque		  off
	  RequestExecContextInheritance	off
	  MaskHideContents	  off
	  System {
	    Name		    "Interp by 16"
	    Location		    [-266, 304, 683, 691]
	    Open		    off
	    ModelBrowserVisibility  off
	    ModelBrowserWidth	    200
	    ScreenColor		    "white"
	    PaperOrientation	    "landscape"
	    PaperPositionMode	    "auto"
	    PaperType		    "usletter"
	    PaperUnits		    "inches"
	    TiledPaperMargins	    [0.500000, 0.500000, 0.500000, 0.500000]
	    TiledPageScale	    1
	    ShowPageBoundaries	    off
	    ZoomFactor		    "100"
	    Block {
	      BlockType		      Inport
	      Name		      "Pilots"
	      SID		      135
	      Position		      [25, 108, 55, 122]
	      IconDisplay	      "Port number"
	    }
	    Block {
	      BlockType		      Selector
	      Name		      "Center for display "
	      SID		      136
	      Ports		      [1, 1]
	      Position		      [515, 278, 555, 322]
	      InputPortWidth	      "16"
	      IndexOptions	      "Index vector (dialog)"
	      Indices		      "[9:16 1:8]"
	      OutputSizes	      "1"
	    }
	    Block {
	      BlockType		      Selector
	      Name		      "Circular shift right 2 \nslots to allign!"
	      SID		      137
	      Ports		      [1, 1]
	      Position		      [790, 93, 830, 137]
	      InputPortWidth	      "64"
	      IndexOptions	      "Index vector (dialog)"
	      Indices		      "[63 64 1:62]"
	      OutputSizes	      "1"
	    }
	    Block {
	      BlockType		      ComplexToRealImag
	      Name		      "Complex to\nReal-Imag"
	      SID		      138
	      Ports		      [1, 2]
	      Position		      [600, 272, 635, 323]
	      Output		      "Real and imag"
	    }
	    Block {
	      BlockType		      Reference
	      Name		      "DSP\nConstant1"
	      SID		      139
	      Ports		      [0, 1]
	      Position		      [355, 169, 445, 201]
	      LibraryVersion	      "1.492"
	      SourceBlock	      "dspobslib/DSP\nConstant"
	      SourceType	      "DSP Constant"
	      ShowPortLabels	      "FromPortIcon"
	      SystemSampleTime	      "-1"
	      FunctionWithSeparateData off
	      RTWMemSecFuncInitTerm   "Inherit from model"
	      RTWMemSecFuncExecute    "Inherit from model"
	      RTWMemSecDataConstants  "Inherit from model"
	      RTWMemSecDataInternal   "Inherit from model"
	      RTWMemSecDataParameters "Inherit from model"
	      Value		      "zeros(47,1)"
	      SampleMode	      "Discrete"
	      discreteOutput	      "Sample-based"
	      continuousOutput	      "Sample-based"
	      sampTime		      "-1"
	      framePeriod	      "2"
	      additionalParams	      off
	      allowOverrides	      on
	      dataType		      "Inherit from 'Constant value'"
	      isSigned		      on
	      wordLen		      "16"
	      udDataType	      "sfix(16)"
	      fracBitsMode	      "Best precision"
	      numFracBits	      "15"
	      InterpretAs1D	      "-inf"
	      Ts		      "-inf"
	      FramebasedOutput	      "-inf"
	    }
	    Block {
	      BlockType		      Reference
	      Name		      "FFT"
	      SID		      140
	      Ports		      [1, 1]
	      Position		      [690, 98, 730, 132]
	      LibraryVersion	      "1.419"
	      DialogController	      "dspDDGCreate"
	      DialogControllerArgs    "DataTag6"
	      SourceBlock	      "dspxfrm3/FFT"
	      SourceType	      "FFT"
	      CompMethod	      "Table lookup"
	      TableOpt		      "HYBRID"
	      TableOptActive	      "Speed"
	      BitRevOrder	      off
	      InheritFFTLength	      on
	      FFTLength		      "64"
	      additionalParams	      off
	      SkipNorm		      off
	      allowOverrides	      on
	      firstCoeffMode	      "Same word length as input"
	      firstCoeffWordLength    "16"
	      firstCoeffFracLength    "15"
	      outputMode	      "Inherit via internal rule"
	      outputWordLength	      "16"
	      outputFracLength	      "15"
	      accumMode		      "Inherit via internal rule"
	      accumWordLength	      "32"
	      accumFracLength	      "30"
	      prodOutputMode	      "Inherit via internal rule"
	      prodOutputWordLength    "32"
	      prodOutputFracLength    "30"
	      roundingMode	      "Floor"
	      overflowMode	      off
	      LockScale		      off
	    }
	    Block {
	      BlockType		      Gain
	      Name		      "Gain"
	      SID		      141
	      Position		      [440, 90, 470, 120]
	      Gain		      "0.5"
	      ParameterDataTypeMode   "Inherit via internal rule"
	      ParameterDataType	      "sfix(16)"
	      ParameterScaling	      "2^0"
	      ParamDataTypeStr	      "Inherit: Inherit via internal rule"
	      OutDataTypeMode	      "Inherit via internal rule"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	      OutDataTypeStr	      "Inherit: Inherit via internal rule"
	      SaturateOnIntegerOverflow	off
	    }
	    Block {
	      BlockType		      Reference
	      Name		      "IFFT"
	      SID		      142
	      Ports		      [1, 1]
	      Position		      [210, 109, 250, 141]
	      LibraryVersion	      "1.419"
	      DialogController	      "dspDDGCreate"
	      DialogControllerArgs    "DataTag7"
	      SourceBlock	      "dspxfrm3/IFFT"
	      SourceType	      "IFFT"
	      CompMethod	      "Table lookup"
	      TableOpt		      "HYBRID"
	      TableOptActive	      "Speed"
	      BitRevOrder	      off
	      cs_in		      off
	      SkipNorm		      on
	      InheritFFTLength	      on
	      FFTLength		      "64"
	      mode		      "Complex"
	      outSamplingMode	      "Frame based"
	      additionalParams	      off
	      allowOverrides	      on
	      firstCoeffMode	      "Same word length as input"
	      firstCoeffWordLength    "16"
	      firstCoeffFracLength    "15"
	      outputMode	      "Inherit via internal rule"
	      outputWordLength	      "16"
	      outputFracLength	      "15"
	      accumMode		      "Inherit via internal rule"
	      accumWordLength	      "32"
	      accumFracLength	      "30"
	      prodOutputMode	      "Inherit via internal rule"
	      prodOutputWordLength    "32"
	      prodOutputFracLength    "30"
	      roundingMode	      "Floor"
	      overflowMode	      off
	      LockScale		      off
	    }
	    Block {
	      BlockType		      Concatenate
	      Name		      "Matrix\nConcatenate"
	      SID		      143
	      Ports		      [2, 1]
	      Position		      [680, 274, 720, 321]
	      Mode		      "Multidimensional array"
	      ConcatenateDimension    "2"
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	    Block {
	      BlockType		      Concatenate
	      Name		      "Matrix\nConcatenate1"
	      SID		      144
	      Ports		      [5, 1]
	      Position		      [545, 32, 590, 198]
	      NumInputs		      "5"
	      Mode		      "Multidimensional array"
	    }
	    Block {
	      BlockType		      Constant
	      Name		      "OFDM Pilots (conjugated)"
	      SID		      145
	      Position		      [25, 175, 125, 205]
	      Value		      "[1 -j -1 j    1 -j -1 j    1 -j -1 j    1 -j -1 j    ]"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	      FramePeriod	      "-1"
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	    Block {
	      BlockType		      Product
	      Name		      "Rotate Ideal Pilots \nto 1 + j0"
	      SID		      146
	      Ports		      [2, 1]
	      Position		      [165, 107, 195, 138]
	      Inputs		      "**"
	      InputSameDT	      off
	      OutDataTypeMode	      "Inherit via internal rule"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	      OutDataTypeStr	      "Inherit: Inherit via internal rule"
	      SaturateOnIntegerOverflow	off
	    }
	    Block {
	      BlockType		      Selector
	      Name		      "Selector"
	      SID		      147
	      Ports		      [1, 1]
	      Position		      [370, 26, 410, 64]
	      InputPortWidth	      "16"
	      IndexOptions	      "Index vector (dialog)"
	      Indices		      "[1:8]"
	      OutputSizes	      "1"
	    }
	    Block {
	      BlockType		      Selector
	      Name		      "Selector1"
	      SID		      148
	      Ports		      [1, 1]
	      Position		      [365, 86, 405, 124]
	      InputPortWidth	      "16"
	      IndexOptions	      "Index vector (dialog)"
	      Indices		      "9"
	      OutputSizes	      "1"
	    }
	    Block {
	      BlockType		      Selector
	      Name		      "Selector2"
	      SID		      149
	      Ports		      [1, 1]
	      Position		      [360, 231, 400, 269]
	      InputPortWidth	      "16"
	      IndexOptions	      "Index vector (dialog)"
	      Indices		      "10:16"
	      OutputSizes	      "1"
	    }
	    Block {
	      BlockType		      Outport
	      Name		      "Chan Est A"
	      SID		      150
	      Position		      [870, 48, 900, 62]
	      IconDisplay	      "Port number"
	    }
	    Block {
	      BlockType		      Outport
	      Name		      "Chan Est B"
	      SID		      151
	      Position		      [875, 108, 905, 122]
	      Port		      "2"
	      IconDisplay	      "Port number"
	    }
	    Block {
	      BlockType		      Outport
	      Name		      "Chan Impulse Resp"
	      SID		      152
	      Position		      [780, 293, 810, 307]
	      Port		      "3"
	      IconDisplay	      "Port number"
	    }
	    Line {
	      SrcBlock		      "Matrix\nConcatenate1"
	      SrcPort		      1
	      DstBlock		      "FFT"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Selector"
	      SrcPort		      1
	      DstBlock		      "Matrix\nConcatenate1"
	      DstPort		      1
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	    Line {
	      SrcBlock		      "Selector1"
	      SrcPort		      1
	      DstBlock		      "Gain"
	      DstPort		      1
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	    Line {
	      SrcBlock		      "DSP\nConstant1"
	      SrcPort		      1
	      Points		      [50, 0; 0, -70]
	      DstBlock		      "Matrix\nConcatenate1"
	      DstPort		      3
	    }
	    Line {
	      SrcBlock		      "Gain"
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	      Points		      [10, 0]
	      Branch {
		Points			[0, -25]
		DstBlock		"Matrix\nConcatenate1"
		DstPort			2
	      }
	      Branch {
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		DstBlock		"Matrix\nConcatenate1"
		DstPort			4
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	    }
	    Line {
	      SrcBlock		      "Selector2"
	      SrcPort		      1
	      Points		      [105, 0; 0, -65]
	      DstBlock		      "Matrix\nConcatenate1"
	      DstPort		      5
	    }
	    Line {
	      SrcBlock		      "FFT"
	      SrcPort		      1
	      Points		      [25, 0]
	      Branch {
		Points			[0, -60]
		DstBlock		"Chan Est A"
		DstPort			1
	      }
	      Branch {
		DstBlock		"Circular shift right 2 \nslots to allign!"
		DstPort			1
	      }
	    }
	    Line {
	      SrcBlock		      "IFFT"
	      SrcPort		      1
	      Points		      [65, 0]
	      Branch {
		Points			[0, -20]
		Branch {
		  Points		  [0, -60]
		  DstBlock		  "Selector"
		  DstPort		  1
		}
		Branch {
		  DstBlock		  "Selector1"
		  DstPort		  1
		}
	      }
	      Branch {
		Points			[0, 125]
		Branch {
		  DstBlock		  "Selector2"
		  DstPort		  1
		}
		Branch {
		  Points		  [0, 50]
		  DstBlock		  "Center for display "
		  DstPort		  1
		}
	      }
	    }
	    Line {
	      SrcBlock		      "Complex to\nReal-Imag"
	      SrcPort		      1
	      DstBlock		      "Matrix\nConcatenate"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Complex to\nReal-Imag"
	      SrcPort		      2
	      DstBlock		      "Matrix\nConcatenate"
	      DstPort		      2
	    }
	    Line {
	      SrcBlock		      "Center for display "
	      SrcPort		      1
	      DstBlock		      "Complex to\nReal-Imag"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Matrix\nConcatenate"
	      SrcPort		      1
	      DstBlock		      "Chan Impulse Resp"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Circular shift right 2 \nslots to allign!"
	      SrcPort		      1
	      DstBlock		      "Chan Est B"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Rotate Ideal Pilots \nto 1 + j0"
	      SrcPort		      1
	      DstBlock		      "IFFT"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Pilots"
	      SrcPort		      1
	      DstBlock		      "Rotate Ideal Pilots \nto 1 + j0"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "OFDM Pilots (conjugated)"
	      SrcPort		      1
	      Points		      [10, 0; 0, -60]
	      DstBlock		      "Rotate Ideal Pilots \nto 1 + j0"
	      DstPort		      2
	    }
	    Annotation {
	      Name		      "FFT based interpolator (sinc interpolation)"
	      Position		      [394, 11]
	    }
	    Annotation {
	      Name		      "This subsystem interpolates the 16 pilot\n tones to create a 64 term channel estimate."
	      Position		      [171, 301]
	    }
	    Annotation {
	      Name		      "“Pilot Tone Selection for Channel Estimation in a Mobile OFDM System ” \n-  Rohit Negi and John Ci"
	      "offi, Information Systems Laboratory, Stanford University, Stanford, CA 94305\nIEEE Transactions on Consumer El"
	      "ectronics, Vol 44, No 3, august 1998. pp 1122-1128"
	      Position		      [268, 356]
	    }
	  }
	}
	Block {
	  BlockType		  Reference
	  Name			  "It takes  several frames \nto clear the pipe and get a valid Frame Offset"
	  SID			  153
	  Ports			  [0, 1]
	  Position		  [145, 18, 265, 42]
	  LibraryVersion	  "1.673"
	  SourceBlock		  "dspsrcs4/Signal From\nWorkspace"
	  SourceType		  "Signal From Workspace"
	  ShowPortLabels	  "FromPortIcon"
	  SystemSampleTime	  "-1"
	  FunctionWithSeparateData off
	  RTWMemSecFuncInitTerm	  "Inherit from model"
	  RTWMemSecFuncExecute	  "Inherit from model"
	  RTWMemSecDataConstants  "Inherit from model"
	  RTWMemSecDataInternal	  "Inherit from model"
	  RTWMemSecDataParameters "Inherit from model"
	  X			  "[zeros(1,10),1]"
	  Ts			  "-1"
	  nsamps		  "1"
	  OutputAfterFinalValue	  "Holding final value"
	  ignoreOrWarnInputAndFrameLengths off
	}
	Block {
	  BlockType		  Math
	  Name			  "Math\nFunction1"
	  SID			  154
	  Ports			  [1, 1]
	  Position		  [600, 340, 630, 370]
	  Operator		  "magnitude^2"
	  OutDataType		  "sfix(16)"
	  OutScaling		  "2^0"
	}
	Block {
	  BlockType		  SubSystem
	  Name			  "OFDM Receiver"
	  SID			  155
	  Ports			  [1, 2]
	  Position		  [85, 103, 180, 207]
	  ShowName		  off
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	  PropExecContextOutsideSubsystem off
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	  xMin			  "-2"
	  xMax			  "2"
	  yMin			  "-2"
	  yMax			  "2"
	  inphaseLabel		  "In-phase Amplitude"
	  quadratureLabel	  "Quadrature Amplitude"
	  openScopeAtSimStart	  on
	  FrameNumber		  off
	  FigPos		  "[828 84 191 197]"
	  figTitle		  "Scatter Plot"
	  numLinesMax		  "8"
	  block_type_		  "scatter"
	}
	Block {
	  BlockType		  Selector
	  Name			  "Reorder for \nFreq Domain Display"
	  SID			  214
	  Ports			  [1, 1]
	  Position		  [520, 333, 560, 377]
	  InputPortWidth	  "64"
	  IndexOptions		  "Index vector (dialog)"
	  Indices		  "[33:64 1:32]"
	  OutputSizes		  "1"
	}
	Block {
	  BlockType		  SubSystem
	  Name			  "Timing Recovery \nPI Controller"
	  SID			  215
	  Ports			  [2, 2, 1]
	  Position		  [765, 214, 905, 281]
	  MinAlgLoopOccurrences	  off
	  PropExecContextOutsideSubsystem off
	  RTWSystemCode		  "Auto"
	  FunctionWithSeparateData off
	  Opaque		  off
	  RequestExecContextInheritance	off
	  MaskHideContents	  off
	  System {
	    Name		    "Timing Recovery \nPI Controller"
	    Location		    [1, 178, 1013, 527]
	    Open		    off
	    ModelBrowserVisibility  off
	    ModelBrowserWidth	    200
	    ScreenColor		    "white"
	    PaperOrientation	    "landscape"
	    PaperPositionMode	    "auto"
	    PaperType		    "usletter"
	    PaperUnits		    "inches"
	    TiledPaperMargins	    [0.500000, 0.500000, 0.500000, 0.500000]
	    TiledPageScale	    1
	    ShowPageBoundaries	    off
	    ZoomFactor		    "101"
	    Block {
	      BlockType		      Inport
	      Name		      "Coarse Correction"
	      SID		      216
	      Position		      [55, 98, 85, 112]
	      IconDisplay	      "Port number"
	    }
	    Block {
	      BlockType		      Inport
	      Name		      "Fine Correction"
	      SID		      217
	      Position		      [55, 183, 85, 197]
	      Port		      "2"
	      IconDisplay	      "Port number"
	    }
	    Block {
	      BlockType		      EnablePort
	      Name		      "Enable"
	      SID		      218
	      Ports		      []
	      Position		      [500, 40, 520, 60]
	    }
	    Block {
	      BlockType		      Abs
	      Name		      "Abs"
	      SID		      219
	      Position		      [145, 90, 175, 120]
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	      SaturateOnIntegerOverflow	off
	    }
	    Block {
	      BlockType		      Sum
	      Name		      "Add P term\nto Fine Control"
	      SID		      220
	      Ports		      [2, 1]
	      Position		      [750, 172, 780, 203]
	      InputSameDT	      off
	      OutDataTypeMode	      "Inherit via internal rule"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^-10"
	      OutDataTypeStr	      "Inherit: Inherit via internal rule"
	      SaturateOnIntegerOverflow	off
	    }
	    Block {
	      BlockType		      Sum
	      Name		      "Add1"
	      SID		      221
	      Ports		      [2, 1]
	      Position		      [490, 97, 520, 128]
	      InputSameDT	      off
	      OutDataTypeMode	      "Inherit via internal rule"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^-10"
	      OutDataTypeStr	      "Inherit: Inherit via internal rule"
	      SaturateOnIntegerOverflow	off
	    }
	    Block {
	      BlockType		      Gain
	      Name		      "Coarse Gain"
	      SID		      222
	      Position		      [250, 25, 280, 55]
	      Gain		      " -0.002/OFDM_Frame   %  -0.0008/OFDM_Frame"
	      ParameterDataTypeMode   "Inherit via internal rule"
	      ParameterDataType	      "sfix(16)"
	      ParameterScaling	      "2^0"
	      ParamDataTypeStr	      "Inherit: Inherit via internal rule"
	      OutDataTypeMode	      "Inherit via internal rule"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	      OutDataTypeStr	      "Inherit: Inherit via internal rule"
	      SaturateOnIntegerOverflow	off
	    }
	    Block {
	      BlockType		      Reference
	      Name		      "Compare\nTo Constant"
	      SID		      223
	      Ports		      [1, 1]
	      Position		      [245, 86, 275, 124]
	      LibraryVersion	      "1.762"
	      SourceBlock	      "simulink/Logic and Bit\nOperations/Compare\nTo Constant"
	      SourceType	      "Compare To Constant"
	      ShowPortLabels	      "FromPortIcon"
	      SystemSampleTime	      "-1"
	      FunctionWithSeparateData off
	      RTWMemSecFuncInitTerm   "Inherit from model"
	      RTWMemSecFuncExecute    "Inherit from model"
	      RTWMemSecDataConstants  "Inherit from model"
	      RTWMemSecDataInternal   "Inherit from model"
	      RTWMemSecDataParameters "Inherit from model"
	      relop		      ">"
	      const		      "1"
	      LogicOutDataTypeMode    "boolean"
	      ZeroCross		      off
	    }
	    Block {
	      BlockType		      Reference
	      Name		      "Delay2"
	      SID		      224
	      Ports		      [1, 1]
	      Position		      [610, 95, 650, 135]
	      LibraryVersion	      "1.672"
	      SourceBlock	      "dspsigops/Delay"
	      SourceType	      "Delay"
	      dly_unit		      "Samples"
	      delay		      "1"
	      ic_detail		      off
	      dif_ic_for_ch	      off
	      dif_ic_for_dly	      off
	      ic		      "nco_nominal"
	      reset_popup	      "None"
	    }
	    Block {
	      BlockType		      Gain
	      Name		      "Fine Gain"
	      SID		      225
	      Position		      [245, 175, 275, 205]
	      NamePlacement	      "alternate"
	      Gain		      ".35/OFDM_Frame % 0.5/OFDM_Frame"
	      ParameterDataTypeMode   "Inherit via internal rule"
	      ParameterDataType	      "sfix(16)"
	      ParameterScaling	      "2^0"
	      ParamDataTypeStr	      "Inherit: Inherit via internal rule"
	      OutDataTypeMode	      "Inherit via internal rule"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	      OutDataTypeStr	      "Inherit: Inherit via internal rule"
	      SaturateOnIntegerOverflow	off
	    }
	    Block {
	      BlockType		      Logic
	      Name		      "Logical\nOperator"
	      SID		      226
	      Ports		      [1, 1]
	      Position		      [850, 234, 880, 266]
	      Operator		      "NOT"
	      AllPortsSameDT	      off
	      OutDataTypeMode	      "boolean"
	      OutDataTypeStr	      "boolean"
	    }
	    Block {
	      BlockType		      Gain
	      Name		      "P Gain"
	      SID		      227
	      Position		      [630, 180, 660, 210]
	      Gain		      " 5"
	      ParameterDataTypeMode   "Inherit via internal rule"
	      ParameterDataType	      "sfix(16)"
	      ParameterScaling	      "2^0"
	      ParamDataTypeStr	      "Inherit: Inherit via internal rule"
	      OutDataTypeMode	      "Inherit via internal rule"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	      OutDataTypeStr	      "Inherit: Inherit via internal rule"
	      SaturateOnIntegerOverflow	off
	    }
	    Block {
	      BlockType		      Saturate
	      Name		      "Saturation"
	      SID		      228
	      Position		      [550, 100, 580, 130]
	      UpperLimit	      "nco_nominal*1.005"
	      LowerLimit	      "nco_nominal*0.995"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	    }
	    Block {
	      BlockType		      Saturate
	      Name		      "Saturation1"
	      SID		      229
	      Position		      [750, 100, 780, 130]
	      UpperLimit	      "nco_nominal*1.005"
	      LowerLimit	      "nco_nominal*0.995"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	    }
	    Block {
	      BlockType		      Saturate
	      Name		      "Saturation2"
	      SID		      230
	      Position		      [895, 120, 925, 150]
	      UpperLimit	      "nco_nominal*1.007  % 1.007"
	      LowerLimit	      "nco_nominal*0.993  % 0.993"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	    }
	    Block {
	      BlockType		      Switch
	      Name		      "Switch"
	      SID		      231
	      Position		      [400, 74, 430, 136]
	      Threshold		      ".5"
	      InputSameDT	      off
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	      SaturateOnIntegerOverflow	off
	    }
	    Block {
	      BlockType		      Switch
	      Name		      "Switch1"
	      SID		      232
	      Position		      [840, 104, 870, 166]
	      Threshold		      ".5"
	      InputSameDT	      off
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	      SaturateOnIntegerOverflow	off
	    }
	    Block {
	      BlockType		      Outport
	      Name		      "Out"
	      SID		      233
	      Position		      [960, 128, 990, 142]
	      IconDisplay	      "Port number"
	    }
	    Block {
	      BlockType		      Outport
	      Name		      "Carrier Enable"
	      SID		      234
	      Position		      [950, 243, 980, 257]
	      Port		      "2"
	      IconDisplay	      "Port number"
	    }
	    Line {
	      SrcBlock		      "Add1"
	      SrcPort		      1
	      DstBlock		      "Saturation"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Switch"
	      SrcPort		      1
	      Points		      [15, 0]
	      Branch {
		DstBlock		"Add1"
		DstPort			1
	      }
	      Branch {
		Points			[0, 90]
		DstBlock		"P Gain"
		DstPort			1
	      }
	    }
	    Line {
	      SrcBlock		      "Coarse Gain"
	      SrcPort		      1
	      Points		      [85, 0; 0, 45]
	      DstBlock		      "Switch"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Fine Gain"
	      SrcPort		      1
	      Points		      [90, 0; 0, -65]
	      DstBlock		      "Switch"
	      DstPort		      3
	    }
	    Line {
	      SrcBlock		      "Coarse Correction"
	      SrcPort		      1
	      Points		      [30, 0]
	      Branch {
		DstBlock		"Abs"
		DstPort			1
	      }
	      Branch {
		Points			[0, -65]
		DstBlock		"Coarse Gain"
		DstPort			1
	      }
	    }
	    Line {
	      SrcBlock		      "Fine Correction"
	      SrcPort		      1
	      DstBlock		      "Fine Gain"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Abs"
	      SrcPort		      1
	      DstBlock		      "Compare\nTo Constant"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Delay2"
	      SrcPort		      1
	      Points		      [15, 0]
	      Branch {
		Points			[0, 55; -195, 0]
		DstBlock		"Add1"
		DstPort			2
	      }
	      Branch {
		Points			[45, 0]
		Branch {
		  Points		  [0, 65]
		  DstBlock		  "Add P term\nto Fine Control"
		  DstPort		  1
		}
		Branch {
		  DstBlock		  "Saturation1"
		  DstPort		  1
		}
	      }
	    }
	    Line {
	      SrcBlock		      "P Gain"
	      SrcPort		      1
	      DstBlock		      "Add P term\nto Fine Control"
	      DstPort		      2
	    }
	    Line {
	      SrcBlock		      "Add P term\nto Fine Control"
	      SrcPort		      1
	      Points		      [35, 0; 0, -35]
	      DstBlock		      "Switch1"
	      DstPort		      3
	    }
	    Line {
	      SrcBlock		      "Switch1"
	      SrcPort		      1
	      DstBlock		      "Saturation2"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Compare\nTo Constant"
	      SrcPort		      1
	      Points		      [75, 0]
	      Branch {
		DstBlock		"Switch"
		DstPort			2
	      }
	      Branch {
		Points			[0, 145; 450, 0]
		Branch {
		  Points		  [0, -115]
		  DstBlock		  "Switch1"
		  DstPort		  2
		}
		Branch {
		  DstBlock		  "Logical\nOperator"
		  DstPort		  1
		}
	      }
	    }
	    Line {
	      SrcBlock		      "Saturation2"
	      SrcPort		      1
	      DstBlock		      "Out"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Logical\nOperator"
	      SrcPort		      1
	      DstBlock		      "Carrier Enable"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Saturation"
	      SrcPort		      1
	      DstBlock		      "Delay2"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Saturation1"
	      SrcPort		      1
	      DstBlock		      "Switch1"
	      DstPort		      1
	    }
	    Annotation {
	      Name		      "Limit slew to 0.5% "
	      Position		      [770, 85]
	    }
	  }
	}
	Block {
	  BlockType		  Outport
	  Name			  "Timing Control"
	  SID			  235
	  Position		  [935, 223, 965, 237]
	  IconDisplay		  "Port number"
	  OutDataType		  "sfix(16)"
	  OutScaling		  "2^0"
	  InitialOutput		  "nco_nominal"
	}
	Block {
	  BlockType		  Outport
	  Name			  "Carrier Control"
	  SID			  236
	  Position		  [930, 373, 960, 387]
	  Port			  "2"
	  IconDisplay		  "Port number"
	  OutDataType		  "sfix(16)"
	  OutScaling		  "2^0"
	  InitialOutput		  "0"
	}
	Line {
	  SrcBlock		  "OFDM Frame"
	  SrcPort		  1
	  DstBlock		  "OFDM Receiver"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "OFDM Receiver"
	  SrcPort		  2
	  Points		  [15, 0]
	  Branch {
	    Points		    [0, 130]
	    DstBlock		    "Interp by 16"
	    DstPort		    1
	  }
	  Branch {
	    DstBlock		    "Frame Status\nConversion1"
	    DstPort		    1
	  }
	}
	Line {
	  SrcBlock		  "Interp by 16"
	  SrcPort		  2
	  Points		  [110, 0]
	  Branch {
	    Points		    [0, -160]
	    DstBlock		    "Apply Channel Estimate"
	    DstPort		    2
	  }
	  Branch {
	    Points		    [0, 45]
	    DstBlock		    "Reorder for \nFreq Domain Display"
	    DstPort		    1
	  }
	}
	Line {
	  SrcBlock		  "Reorder for \nFreq Domain Display"
	  SrcPort		  1
	  DstBlock		  "Math\nFunction1"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Phase Calculation"
	  SrcPort		  2
	  DstBlock		  "Timing Recovery \nPI Controller"
	  DstPort		  2
	}
	Line {
	  Labels		  [0, 0]
	  SrcBlock		  "OFDM Receiver"
	  SrcPort		  1
	  DstBlock		  "Apply Channel Estimate"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Phase Calculation"
	  SrcPort		  1
	  DstBlock		  "Channel Est Phase"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Math\nFunction1"
	  SrcPort		  1
	  DstBlock		  "Channel Est Mag "
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Timing Recovery \nPI Controller"
	  SrcPort		  1
	  DstBlock		  "Timing Control"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "It takes  several frames \nto clear the pipe and get a valid Frame Offset"
	  SrcPort		  1
	  Points		  [320, 0]
	  Branch {
	    DstBlock		    "Apply Channel Estimate"
	    DstPort		    enable
	  }
	  Branch {
	    Points		    [245, 0]
	    DstBlock		    "Timing Recovery \nPI Controller"
	    DstPort		    enable
	  }
	}
	Line {
	  SrcBlock		  "Carrier Recovery \nPI Controller"
	  SrcPort		  1
	  DstBlock		  "Carrier Control"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Frame Offset Est"
	  SrcPort		  1
	  DstBlock		  "Timing Recovery \nPI Controller"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Phase Calculation"
	  SrcPort		  3
	  Points		  [165, 0; 0, 85]
	  DstBlock		  "Carrier Recovery \nPI Controller"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Interp by 16"
	  SrcPort		  3
	  DstBlock		  "Channel Coef"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Interp by 16"
	  SrcPort		  1
	  DstBlock		  "Phase Calculation"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Frame Status\nConversion1"
	  SrcPort		  1
	  DstBlock		  "Pilots"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Apply Channel Estimate"
	  SrcPort		  1
	  Points		  [20, 0]
	  Branch {
	    DstBlock		    "Data"
	    DstPort		    1
	  }
	  Branch {
	    Labels		    [0, 0]
	    Points		    [0, -75]
	    DstBlock		    "BER Meas."
	    DstPort		    1
	  }
	}
	Line {
	  SrcBlock		  "Apply Ch Est."
	  SrcPort		  1
	  DstBlock		  "Apply Channel Estimate"
	  DstPort		  3
	}
	Line {
	  SrcBlock		  "Timing Recovery \nPI Controller"
	  SrcPort		  2
	  Points		  [55, 0; 0, 53; -135, 0]
	  DstBlock		  "Carrier Recovery \nPI Controller"
	  DstPort		  enable
	}
	Line {
	  SrcBlock		  "BER Meas."
	  SrcPort		  1
	  DstBlock		  "BER Display"
	  DstPort		  1
	}
      }
    }
    Block {
      BlockType		      SubSystem
      Name		      "OFDM Transmitter with Variable\nSymbol Timing and Carrier Frequency Error"
      SID		      237
      Ports		      [2, 1]
      Position		      [150, 48, 305, 172]
      BackgroundColor	      "yellow"
      MinAlgLoopOccurrences   off
      PropExecContextOutsideSubsystem off
      RTWSystemCode	      "Auto"
      FunctionWithSeparateData off
      Opaque		      off
      RequestExecContextInheritance off
      MaskHideContents	      off
      System {
	Name			"OFDM Transmitter with Variable\nSymbol Timing and Carrier Frequency Error"
	Location		[2, 148, 953, 439]
	Open			off
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"white"
	PaperOrientation	"landscape"
	PaperPositionMode	"auto"
	PaperType		"usletter"
	PaperUnits		"inches"
	TiledPaperMargins	[0.500000, 0.500000, 0.500000, 0.500000]
	TiledPageScale		1
	ShowPageBoundaries	off
	ZoomFactor		"100"
	Block {
	  BlockType		  Inport
	  Name			  "Symbol Error"
	  SID			  238
	  Position		  [20, 53, 50, 67]
	  IconDisplay		  "Port number"
	  OutDataType		  "sfix(16)"
	  OutScaling		  "2^0"
	}
	Block {
	  BlockType		  Inport
	  Name			  "Carrier Error"
	  SID			  239
	  Position		  [80, 213, 110, 227]
	  Port			  "2"
	  IconDisplay		  "Port number"
	  OutDataType		  "sfix(16)"
	  OutScaling		  "2^0"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Buffer"
	  SID			  240
	  Ports			  [1, 1]
	  Position		  [610, 100, 660, 150]
	  LibraryVersion	  "1.402"
	  SourceBlock		  "dspbuff3/Buffer"
	  SourceType		  "Buffer"
	  N			  "OFDM_Frame*D"
	  V			  "0"
	  ic			  "0"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Buffer1"
	  SID			  241
	  Ports			  [1, 1]
	  Position		  [615, 195, 665, 245]
	  LibraryVersion	  "1.402"
	  SourceBlock		  "dspbuff3/Buffer"
	  SourceType		  "Buffer"
	  N			  "OFDM_Frame*D"
	  V			  "0"
	  ic			  "0"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Digital Filter RRC "
	  SID			  242
	  Ports			  [1, 1]
	  Position		  [685, 98, 770, 152]
	  LibraryVersion	  "1.288"
	  DialogController	  "dspdialog.DigitalFilter"
	  DialogControllerArgs	  "DataTag11"
	  SourceBlock		  "dsparch4/Digital Filter"
	  SourceType		  "Digital Filter"
	  TypePopup		  "FIR (all zeros)"
	  IIRFiltStruct		  "Direct form II transposed"
	  AllPoleFiltStruct	  "Direct form"
	  FIRFiltStruct		  "Direct form"
	  CoeffSource		  "Specify via dialog"
	  NumCoeffs		  "rrc_coef"
	  DenCoeffs		  "[1 0.1]"
	  BiQuadCoeffs		  "[1 0.3 0.4 1 0.1 0.2]"
	  LatticeCoeffs		  "[0.2 0.4]"
	  denIgnore		  on
	  FiltPerSampPopup	  "One filter per frame"
	  IC			  "0"
	  ICnum			  "0"
	  ICden			  "0"
	  additionalParams	  off
	  allowOverrides	  on
	  showCoeff		  off
	  firstCoeffMode	  "Same word length as input"
	  firstCoeffWordLength	  "16"
	  firstCoeffFracLength	  "15"
	  secondCoeffMode	  "Same as numerator"
	  secondCoeffWordLength	  "16"
	  secondCoeffFracLength	  "15"
	  thirdCoeffMode	  "Same as input"
	  thirdCoeffWordLength	  "16"
	  thirdCoeffFracLength	  "15"
	  showOut		  off
	  outputMode		  "Same as accumulator"
	  outputWordLength	  "16"
	  outputFracLength	  "15"
	  showAcc		  off
	  accumMode		  "Same as product output"
	  accumWordLength	  "32"
	  accumFracLength	  "30"
	  showMpy		  off
	  prodOutputMode	  "Same as input"
	  prodOutputWordLength	  "32"
	  prodOutputFracLength	  "30"
	  showMem		  off
	  memoryMode		  "Same as accumulator"
	  memoryWordLength	  "16"
	  memoryFracLength	  "15"
	  roundingMode		  "Floor"
	  overflowMode		  off
	  ScaleValues		  "1"
	  scaleValueFracLength	  "14"
	  tapSumMode		  "Same as input"
	  tapSumWordLength	  "32"
	  tapSumFracLength	  "30"
	  stageIOMode		  "Same as input"
	  stageIOWordLength	  "16"
	  stageInFracLength	  "15"
	  stageOutFracLength	  "15"
	  LockScale		  off
	  FilterSource		  "Specify via dialog"
	  dfiltObjectName	  "dfilt.dffir([1 2 1])"
	  multiplicandMode	  "Same as output"
	  multiplicandWordLength  "32"
	  multiplicandFracLength  "30"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Discrete\nConstant1"
	  SID			  243
	  Ports			  [0, 1]
	  Position		  [95, 104, 125, 136]
	  BlockMirror		  on
	  ShowName		  off
	  LibraryVersion	  "1.492"
	  SourceBlock		  "dspobslib/DSP\nConstant"
	  SourceType		  "DSP Constant"
	  ShowPortLabels	  "FromPortIcon"
	  SystemSampleTime	  "-1"
	  FunctionWithSeparateData off
	  RTWMemSecFuncInitTerm	  "Inherit from model"
	  RTWMemSecFuncExecute	  "Inherit from model"
	  RTWMemSecDataConstants  "Inherit from model"
	  RTWMemSecDataInternal	  "Inherit from model"
	  RTWMemSecDataParameters "Inherit from model"
	  Value			  "1/D"
	  SampleMode		  "Discrete"
	  discreteOutput	  "Sample-based (interpret vectors as 1-D)"
	  continuousOutput	  "Sample-based"
	  sampTime		  "inf"
	  framePeriod		  "inf"
	  additionalParams	  on
	  allowOverrides	  on
	  dataType		  "Inherit via back propagation"
	  isSigned		  on
	  wordLen		  "16"
	  udDataType		  "sfix(16)"
	  fracBitsMode		  "Best precision"
	  numFracBits		  "15"
	  InterpretAs1D		  "on"
	  Ts			  "inf"
	  FramebasedOutput	  "off"
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	Block {
	  BlockType		  SubSystem
	  Name			  "Discrete-Time\nNCO"
	  SID			  244
	  Ports			  [1, 1]
	  Position		  [495, 198, 575, 242]
	  FontName		  "Arial"
	  MinAlgLoopOccurrences	  off
	  PropExecContextOutsideSubsystem off
	  RTWSystemCode		  "Auto"
	  FunctionWithSeparateData off
	  Opaque		  off
	  RequestExecContextInheritance	off
	  MaskHideContents	  off
	  MaskType		  "Discrete-Time VCO"
	  MaskDescription	  "Generate a discrete-time output signal whose frequency changes in response to the amplitude vari"
	  "ations of the input signal. The input signal must be a scalar."
	  MaskHelp		  "helpview(commbhelp)"
	  MaskPromptString	  "Output amplitude:|Oscillation frequency (Hz):|Input sensitivity:|Initial phase (rad):|Sample ti"
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	  MaskStyleString	  "edit,edit,edit,edit,edit"
	  MaskTunableValueString  "on,on,on,on,on"
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	  MaskVisibilityString	  "on,on,on,on,on"
	  MaskToolTipString	  "on,on,on,on,on"
	  MaskVariables		  "Ac=@1;Fc=@2;Kc=@3;Ph=@4;ts=@5;"
	  MaskInitialization	  "if ((length(Ac)~=1) | (length(Fc)~=1) | (length(Kc)~=1) | (length(Ph)~=1) | (length(ts)~=1) |"
	  "(length(Ph)~=1))error('Mask parameters must be scalar values.');end;\npi2=2*pi;"
	  MaskDisplay		  "disp('Discrete-Time\\nNCO (rab)')"
	  MaskIconFrame		  on
	  MaskIconOpaque	  on
	  MaskIconRotate	  "none"
	  MaskPortRotate	  "default"
	  MaskIconUnits		  "autoscale"
	  MaskValueString	  "1|0|1|0|1/F_nco"
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	    Name		    "Discrete-Time\nNCO"
	    Location		    [117, 251, 1041, 466]
	    Open		    off
	    ModelBrowserVisibility  off
	    ModelBrowserWidth	    200
	    ScreenColor		    "white"
	    PaperOrientation	    "landscape"
	    PaperPositionMode	    "auto"
	    PaperType		    "usletter"
	    PaperUnits		    "inches"
	    TiledPaperMargins	    [0.500000, 0.500000, 0.500000, 0.500000]
	    TiledPageScale	    1
	    ShowPageBoundaries	    off
	    ZoomFactor		    "100"
	    Block {
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	      Name		      "in_1"
	      SID		      245
	      Position		      [40, 45, 60, 65]
	      ShowName		      off
	      IconDisplay	      "Port number"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
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	    Block {
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	      SID		      246
	      Ports		      [0, 1]
	      Position		      [205, 59, 255, 91]
	      ShowName		      off
	      LibraryVersion	      "1.492"
	      SourceBlock	      "dspobslib/DSP\nConstant"
	      SourceType	      "DSP Constant"
	      ShowPortLabels	      "FromPortIcon"
	      SystemSampleTime	      "-1"
	      FunctionWithSeparateData off
	      RTWMemSecFuncInitTerm   "Inherit from model"
	      RTWMemSecFuncExecute    "Inherit from model"
	      RTWMemSecDataConstants  "Inherit from model"
	      RTWMemSecDataInternal   "Inherit from model"
	      RTWMemSecDataParameters "Inherit from model"
	      Value		      "Fc*pi2*ts"
	      SampleMode	      "Discrete"
	      discreteOutput	      "Sample-based (interpret vectors as 1-D)"
	      continuousOutput	      "Sample-based"
	      sampTime		      "ts"
	      framePeriod	      "ts"
	      additionalParams	      on
	      allowOverrides	      on
	      dataType		      "Inherit via back propagation"
	      isSigned		      on
	      wordLen		      "16"
	      udDataType	      "sfix(16)"
	      fracBitsMode	      "Best precision"
	      numFracBits	      "15"
	      InterpretAs1D	      "on"
	      Ts		      "ts"
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	    Block {
	      BlockType		      Reference
	      Name		      "Discrete\nConstant2"
	      SID		      247
	      Ports		      [0, 1]
	      Position		      [300, 120, 340, 140]
	      ShowName		      off
	      LibraryVersion	      "1.492"
	      SourceBlock	      "dspobslib/DSP\nConstant"
	      SourceType	      "DSP Constant"
	      ShowPortLabels	      "FromPortIcon"
	      SystemSampleTime	      "-1"
	      FunctionWithSeparateData off
	      RTWMemSecFuncInitTerm   "Inherit from model"
	      RTWMemSecFuncExecute    "Inherit from model"
	      RTWMemSecDataConstants  "Inherit from model"
	      RTWMemSecDataInternal   "Inherit from model"
	      RTWMemSecDataParameters "Inherit from model"
	      Value		      "pi2"
	      SampleMode	      "Discrete"
	      discreteOutput	      "Sample-based (interpret vectors as 1-D)"
	      continuousOutput	      "Sample-based"
	      sampTime		      "ts"
	      framePeriod	      "ts"
	      additionalParams	      on
	      allowOverrides	      on
	      dataType		      "Inherit via back propagation"
	      isSigned		      on
	      wordLen		      "16"
	      udDataType	      "sfix(16)"
	      fracBitsMode	      "Best precision"
	      numFracBits	      "15"
	      InterpretAs1D	      "on"
	      Ts		      "ts"
	      FramebasedOutput	      "off"
	    }
	    Block {
	      BlockType		      Math
	      Name		      "Math\nFunction"
	      SID		      248
	      Ports		      [2, 1]
	      Position		      [385, 67, 415, 98]
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	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
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	    Block {
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	      SID		      249
	      Ports		      [2, 1]
	      Position		      [705, 93, 735, 122]
	      Input		      "Real and imag"
	    }
	    Block {
	      BlockType		      Gain
	      Name		      "Sensitivity"
	      SID		      250
	      Position		      [100, 32, 175, 78]
	      ShowName		      off
	      Gain		      "Kc*pi2*ts"
	      ParameterDataType	      "sfix(16)"
	      ParameterScaling	      "2^0"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	    }
	    Block {
	      BlockType		      Gain
	      Name		      "Sensitivity2"
	      SID		      251
	      Position		      [765, 89, 820, 131]
	      ShowName		      off
	      Gain		      "Ac"
	      ParameterDataType	      "sfix(16)"
	      ParameterScaling	      "2^0"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	    }
	    Block {
	      BlockType		      Sum
	      Name		      "Sum1"
	      SID		      252
	      Ports		      [3, 1]
	      Position		      [305, 45, 330, 105]
	      ShowName		      off
	      Inputs		      "+++"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	    }
	    Block {
	      BlockType		      Trigonometry
	      Name		      "Trigonometric\nFunction"
	      SID		      253
	      Ports		      [1, 1]
	      Position		      [585, 72, 630, 98]
	      ShowName		      off
	      Operator		      "cos"
	    }
	    Block {
	      BlockType		      Trigonometry
	      Name		      "Trigonometric\nFunction1"
	      SID		      254
	      Ports		      [1, 1]
	      Position		      [585, 117, 630, 143]
	      ShowName		      off
	    }
	    Block {
	      BlockType		      UnitDelay
	      Name		      "Unit Delay"
	      SID		      255
	      Position		      [475, 75, 525, 95]
	      ShowName		      off
	      X0		      "Ph"
	      SampleTime	      "ts"
	    }
	    Block {
	      BlockType		      Outport
	      Name		      "out_1"
	      SID		      256
	      Position		      [855, 100, 875, 120]
	      ShowName		      off
	      IconDisplay	      "Port number"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
	      InitialOutput	      "0"
	    }
	    Line {
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	      SrcPort		      1
	      DstBlock		      "Sensitivity2"
	      DstPort		      1
	    }
	    Line {
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	      SrcPort		      1
	      Points		      [45, 0; 0, -15]
	      DstBlock		      "Real-Imag to\nComplex"
	      DstPort		      2
	    }
	    Line {
	      SrcBlock		      "Discrete\nConstant2"
	      SrcPort		      1
	      Points		      [25, 0]
	      DstBlock		      "Math\nFunction"
	      DstPort		      2
	    }
	    Line {
	      SrcBlock		      "Sum1"
	      SrcPort		      1
	      DstBlock		      "Math\nFunction"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Math\nFunction"
	      SrcPort		      1
	      DstBlock		      "Unit Delay"
	      DstPort		      1
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	    Line {
	      SrcBlock		      "in_1"
	      SrcPort		      1
	      DstBlock		      "Sensitivity"
	      DstPort		      1
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	    Line {
	      SrcBlock		      "Sensitivity"
	      SrcPort		      1
	      DstBlock		      "Sum1"
	      DstPort		      1
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	    Line {
	      SrcBlock		      "Unit Delay"
	      SrcPort		      1
	      Points		      [20, 0]
	      Branch {
		DstBlock		"Trigonometric\nFunction"
		DstPort			1
	      }
	      Branch {
		Points			[0, 45]
		Branch {
		  DstBlock		  "Trigonometric\nFunction1"
		  DstPort		  1
		}
		Branch {
		  Points		  [0, 50; -280, 0; 0, -85]
		  DstBlock		  "Sum1"
		  DstPort		  3
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	      }
	    }
	    Line {
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	      SrcPort		      1
	      Points		      [45, 0; 0, 15]
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	    }
	    Line {
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	      SrcPort		      1
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	      DstPort		      1
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	    Line {
	      SrcBlock		      "Discrete\nConstant1"
	      SrcPort		      1
	      DstBlock		      "Sum1"
	      DstPort		      2
	    }
	    Annotation {
	      Name		      "initial condx=Ph"
	      Position		      [497, 104]
	    }
	    Annotation {
	      Name		      "VCO Sensitivity"
	      Position		      [111, 83]
	    }
	    Annotation {
	      Name		      "Center Freq"
	      Position		      [226, 101]
	    }
	    Annotation {
	      Name		      "Phase Accumulator\nModulus"
	      Position		      [322, 159]
	    }
	    Annotation {
	      Name		      "Amplitude"
	      Position		      [787, 143]
	    }
	  }
	}
	Block {
	  BlockType		  SubSystem
	  Name			  "Farrow Variable Delay"
	  SID			  257
	  Ports			  [2, 1]
	  Position		  [495, 89, 575, 156]
	  MinAlgLoopOccurrences	  off
	  PropExecContextOutsideSubsystem off
	  RTWSystemCode		  "Auto"
	  FunctionWithSeparateData off
	  Opaque		  off
	  RequestExecContextInheritance	off
	  MaskHideContents	  off
	  System {
	    Name		    "Farrow Variable Delay"
	    Location		    [65, 502, 571, 805]
	    Open		    off
	    ModelBrowserVisibility  off
	    ModelBrowserWidth	    200
	    ScreenColor		    "white"
	    PaperOrientation	    "landscape"
	    PaperPositionMode	    "auto"
	    PaperType		    "usletter"
	    PaperUnits		    "inches"
	    TiledPaperMargins	    [0.500000, 0.500000, 0.500000, 0.500000]
	    TiledPageScale	    1
	    ShowPageBoundaries	    off
	    ZoomFactor		    "100"
	    Block {
	      BlockType		      Inport
	      Name		      "Xin"
	      SID		      258
	      Position		      [25, 93, 55, 107]
	      IconDisplay	      "Port number"
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	    Block {
	      BlockType		      Inport
	      Name		      "Mu"
	      SID		      259
	      Position		      [25, 143, 55, 157]
	      Port		      "2"
	      IconDisplay	      "Port number"
	      OutDataType	      "sfix(16)"
	      OutScaling	      "2^0"
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	    Block {
	      BlockType		      SubSystem
	      Name		      "Filter State"
	      SID		      260
	      Ports		      [1, 1]
	      Position		      [135, 70, 210, 130]
	      MinAlgLoopOccurrences   off
	      PropExecContextOutsideSubsystem off
	      RTWSystemCode	      "Auto"
	      FunctionWithSeparateData off
	      Opaque		      off
	      RequestExecContextInheritance off
	      MaskHideContents	      off
	      System {
		Name			"Filter State"
		Location		[65, 82, 684, 317]
		Open			off
		ModelBrowserVisibility	off
		ModelBrowserWidth	200
		ScreenColor		"white"
		PaperOrientation	"landscape"
		PaperPositionMode	"auto"
		PaperType		"usletter"
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		TiledPaperMargins	[0.500000, 0.500000, 0.500000, 0.500000]
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		Block {
		  BlockType		  Inport
		  Name			  "In1"
		  SID			  261
		  Position		  [20, 163, 50, 177]
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		Block {
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		  SID			  262
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		  Position		  [125, 150, 180, 190]
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		  dly_unit		  "Samples"
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		  ic_detail		  off
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		  ic			  "0"
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		Block {
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		  Position		  [235, 150, 290, 190]
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		  SourceBlock		  "dspsigops/Delay"
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		  dly_unit		  "Samples"
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		  ic_detail		  off
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		Block {
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		  SID			  264
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		  Position		  [355, 150, 410, 190]
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		  SourceBlock		  "dspsigops/Delay"
		  SourceType		  "Delay"
		  dly_unit		  "Samples"
		  delay			  "1"
		  ic_detail		  off
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		Block {
		  BlockType		  Mux
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		  SID			  265
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		  Position		  [485, 48, 490, 132]
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		Block {
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		  Position		  [525, 83, 555, 97]
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		  Points		  [20, 0; 15, 0]
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		  Points		  [-5, 0; 25, 0]
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	    Block {
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	      Position		      [270, 74, 360, 176]
	      MinAlgLoopOccurrences   off
	      PropExecContextOutsideSubsystem off
	      RTWSystemCode	      "Auto"
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	      System {
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		Block {
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		  Name			  "In1"
		  SID			  268
		  Position		  [30, 138, 60, 152]
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		  OutDataType		  "sfix(16)"
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		Block {
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		  OutDataType		  "sfix(16)"
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		Block {
		  BlockType		  Demux
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		  SID			  270
		  Ports			  [1, 4]
		  Position		  [195, 109, 200, 176]
		  BackgroundColor	  "black"
		  ShowName		  off
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		Block {
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		  SID			  271
		  Position		  [95, 126, 160, 164]
		  Gain			  "[b3;b2;b1;b0]   % filter coefficients "
		  Multiplication	  "Matrix(K*u)"
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		  OutDataTypeMode	  "Inherit via internal rule"
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		  Name			  "Filter Coefficients from Chris Dick Xilinx, \nor H. Meyer pp 520 (9-33) Digital Communications Receivers"
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		    Annotation {
		    Name		    "For rational behind pilot choice, see : \n“Optimum Receiver Design for Wireless Broad-Band Systems Us"
		    "ing OFDM-Part I”\nMichael Speth, Stefan A. Fechtel, Gunnar Fock, and Heinrich Meyr ,\n IEEE Transactions on Comm"
		    "unications, Vol 47, No 11, November 1999. pp 1668-1677\nand\n“Pilot Tone Selection for Channel Estimation in a M"
		    "obile OFDM System ” - \n Rohit Negi and John Cioffi, Information Systems Laboratory, Stanford University, Stanfo"
		    "rd, CA 94305\nIEEE Transactions on Consumer Electronics, Vol 44, No 3, august 1998. pp 1122-1128"
		    Position		    [643, 61]
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		Block {
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	Block {
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	Block {
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	      RTWMemSecFuncInitTerm   "Inherit from model"
	      RTWMemSecFuncExecute    "Inherit from model"
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	      RTWMemSecDataParameters "Inherit from model"
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	      discreteOutput	      "Sample-based (interpret vectors as 1-D)"
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      Open		      on
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      RTWMemSecFuncExecute    "Inherit from model"
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      RTWMemSecDataParameters "Inherit from model"
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      RTWMemSecFuncInitTerm   "Inherit from model"
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      RTWMemSecDataParameters "Inherit from model"
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    Block {
      BlockType		      Reference
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      Position		      [350, 557, 380, 593]
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      ShowPortLabels	      "FromPortIcon"
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      FunctionWithSeparateData off
      RTWMemSecFuncInitTerm   "Inherit from model"
      RTWMemSecFuncExecute    "Inherit from model"
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      RTWMemSecDataInternal   "Inherit from model"
      RTWMemSecDataParameters "Inherit from model"
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      Position		      [375, 265, 465, 285]
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      Position		      [15, 65, 45, 95]
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      Points		      [40, 0; 0, -175]
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      Points		      [-30, 0]
      Branch {
	DstBlock		"Farrow Variable Delay"
	DstPort			1
      }
      Branch {
	Points			[0, 80]
	DstBlock		"Downsample"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "Channel"
      SrcPort		      1
      Points		      [20, 0; 0, 135]
      Branch {
	Points			[0, 110]
	DstBlock		"RRC FIR\nDecimation"
	DstPort			1
      }
      Branch {
	DstBlock		"Probe"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "Probe"
      SrcPort		      3
      DstBlock		      "Watts"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Probe"
      SrcPort		      2
      DstBlock		      "Frame Time"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Discrete\nConstant2"
      SrcPort		      1
      Points		      [60, 0]
      Branch {
	DstBlock		"Static Timing Error \nin samples (1/8 symbol resolution)"
	DstPort			1
      }
      Branch {
	Points			[0, 90]
	DstBlock		"Channel Select"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "Static Timing Error \nin samples (1/8 symbol resolution)"
      SrcPort		      1
      DstBlock		      "Channel"
      DstPort		      1
    }
    Line {
      Name		      "tcu control"
      Labels		      [3, 0]
      SrcBlock		      "OFDM Rx"
      SrcPort		      1
      Points		      [-50, 0; 0, 160]
      DstBlock		      "Up to Enable \nTiming Loop"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Up to Enable \nTiming Loop"
      SrcPort		      1
      DstBlock		      "Timing Control Unit"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Discrete-Time\nNCO"
      SrcPort		      1
      Points		      [-20, 0; 0, -70]
      DstBlock		      "De-rotate"
      DstPort		      2
    }
    Line {
      SrcBlock		      "De-rotate"
      SrcPort		      1
      DstBlock		      "Serial to Parallel\nand\nFrame Offset Est"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Farrow Variable Delay"
      SrcPort		      1
      DstBlock		      "De-rotate"
      DstPort		      1
    }
    Line {
      Name		      "% timing error"
      Labels		      [0, 0]
      SrcBlock		      "Timing Control Unit"
      SrcPort		      3
      DstBlock		      "Timing Loop"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Downsample"
      SrcPort		      1
      DstBlock		      "Rx Spectrum"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Serial to Parallel\nand\nFrame Offset Est"
      SrcPort		      2
      DstBlock		      "OFDM Rx"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Serial to Parallel\nand\nFrame Offset Est"
      SrcPort		      3
      Points		      [-85, 0]
      Branch {
	DstBlock		"OFDM Rx"
	DstPort			2
      }
      Branch {
	Points			[0, -155]
	DstBlock		"Frame Offset\nin Samples"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "Slider\nGain"
      SrcPort		      1
      DstBlock		      "Up to Enable \nTiming Loop"
      DstPort		      2
    }
    Line {
      Name		      "carrier control"
      Labels		      [0, 0]
      SrcBlock		      "OFDM Rx"
      SrcPort		      2
      Points		      [-35, 0; 0, 55]
      DstBlock		      "Up to Enable\n Carrier Loop"
      DstPort		      1
    }
    Line {
      Name		      "Carrier Freq (Hz)"
      Labels		      [0, 0]
      SrcBlock		      "Up to Enable\n Carrier Loop"
      SrcPort		      1
      Points		      [165, 0]
      Branch {
	Points			[0, -60]
	DstBlock		"Discrete-Time\nNCO"
	DstPort			1
      }
      Branch {
	DstBlock		"Carrier Loop"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "k3"
      SrcPort		      1
      Points		      [50, 0]
      Branch {
	DstBlock		"Up to Enable\n Carrier Loop"
	DstPort			2
      }
      Branch {
	Points			[0, -55]
	DstBlock		"Up to Enable\nCh Est."
	DstPort			2
      }
    }
    Line {
      SrcBlock		      "Serial to Parallel\nand\nFrame Offset Est"
      SrcPort		      1
      Points		      [-180, 0]
      DstBlock		      "OFDM Rx"
      DstPort		      enable
    }
    Line {
      SrcBlock		      "Up to Enable\nCh Est."
      SrcPort		      1
      DstBlock		      "OFDM Rx"
      DstPort		      3
    }
    Line {
      SrcBlock		      "Discrete\nConstant3"
      SrcPort		      1
      DstBlock		      "Up to Enable\nCh Est."
      DstPort		      1
    }
    Line {
      SrcBlock		      "Channel Select"
      SrcPort		      1
      DstBlock		      "Channel"
      DstPort		      3
    }
    Annotation {
      Name		      "  Pilot Directed Continuous Synchronization of OFDM"
      Position		      [435, 18]
      FontName		      "Arial"
      FontSize		      20
      FontWeight	      "bold"
    }
    Annotation {
      Name		      "Dick Benson\nDecember 2007/2008\nApril 2009"
      Position		      [100, 279]
      TeXMode		      "on"
      FontName		      "Arial"
      FontSize		      12
      FontWeight	      "bold"
    }
    Annotation {
      Name		      "0=none\n1=dispersive\n2=fading\n3=AWGN\n4=dispersive+AWGN\n5=fading+AWGN"
      Position		      [337, 157]
      HorizontalAlignment     "left"
    }
  }
}
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# Finite State Machines
#
#    Stateflow Version 7.1 (R2009a) dated Jul 17 2009, 09:16:34
#
#


Stateflow {
  machine {
    id			    1
    name		    "ofdm_13"
    created		    "27-Nov-2007 12:36:21"
    isLibrary		    0
    firstTarget		    2
    sfVersion		    71014000.00001
  }
  target {
    id			    2
    name		    "sfun"
    codeFlags		    ""
    machine		    1
    linkNode		    [1 0 0]
  }
}