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  ToolBar		  on
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  PreLoadFcn		  "ungerboe;"
  CloseFcn		  "bdclose('ungerboe')"
  Created		  "Thu Sep 03 22:46:52 1998"
  Creator		  "mikem"
  UpdateHistory		  "UpdateHistoryNever"
  ModifiedByFormat	  "%<Auto>"
  LastModifiedBy	  "ysong"
  ModifiedDateFormat	  "%<Auto>"
  LastModifiedDate	  "Wed Aug 23 12:03:22 2000"
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      noiseMode		      "Variance from mask"
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      BlockType		      Reference
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      SourceType	      "Vector I/O convolution decode"
      gen		      "'ungerboe'"
      leng		      "3"
      tran_prob		      "0"
      plot_flag		      "18"
      thd		      ".5"
    }
    Block {
      BlockType		      Reference
      Name		      "Binary vector\nconvol encode"
      Ports		      [2, 1]
      Position		      [300, 73, 380, 117]
      ShowName		      off
      SourceBlock	      "comcdcon/Binary vector\nconvolution encode"
      SourceType	      "Vector I/O convolution encode"
      tf		      "'ungerboe'"
      thd		      ".5"
    }
    Block {
      BlockType		      Demux
      Name		      "Demux"
      Ports		      [1, 2]
      Position		      [285, 285, 325, 320]
      ForegroundColor	      "blue"
      ShowName		      off
      Outputs		      "[1 2]"
      BusSelectionMode	      off
    }
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      BlockType		      Demux
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      Ports		      [1, 2]
      Position		      [235, 60, 275, 95]
      ShowName		      off
      Outputs		      "2"
      BusSelectionMode	      off
    }
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      BlockType		      Reference
      Name		      "Error rate1"
      Ports		      [2]
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      ShowName		      off
      SourceBlock	      "com_sour/Error rate"
      SourceType	      "Symbol/bit error counter"
      K			      "2"
      num_lin		      "20"
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    }
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      SourceType	      "Integer Delay"
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    }
    Block {
      BlockType		      Reference
      Name		      "Integer scalar\nto vector"
      Ports		      [1, 1]
      Position		      [135, 58, 215, 102]
      ShowName		      off
      SourceBlock	      "com_util/Integer scalar\nto vector"
      SourceType	      "Decimal to base M vector"
      len		      "2"
      p			      "2"
    }
    Block {
      BlockType		      Reference
      Name		      "Integer scalar\nto vector1"
      Ports		      [1, 1]
      Position		      [185, 283, 265, 327]
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      SourceBlock	      "com_util/Integer scalar\nto vector"
      SourceType	      "Decimal to base M vector"
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      p			      "2"
    }
    Block {
      BlockType		      Reference
      Name		      "Integer vector\nto scalar"
      Ports		      [1, 1]
      Position		      [540, 283, 620, 327]
      ShowName		      off
      SourceBlock	      "com_util/Integer vector\nto scalar"
      SourceType	      "Base M vector to decimal integer"
      p			      "2"
    }
    Block {
      BlockType		      Reference
      Name		      "Integer vector\nto scalar1"
      Ports		      [1, 1]
      Position		      [475, 68, 555, 112]
      ShowName		      off
      SourceBlock	      "com_util/Integer vector\nto scalar"
      SourceType	      "Base M vector to decimal integer"
      p			      "2"
    }
    Block {
      BlockType		      Reference
      Name		      "MPSK demod\nbaseband"
      Ports		      [1, 1]
      Position		      [510, 163, 590, 207]
      ShowName		      off
      SourceBlock	      "commdigbbnd/MPSK demod\nbaseband"
      SourceType	      "Baseband MPSK demodulation"
      M			      "8"
      td		      "1"
      Ph		      "0"
      ts		      "0.01"
    }
    Block {
      BlockType		      Reference
      Name		      "MPSK mod\nbaseband"
      Ports		      [1, 1]
      Position		      [205, 163, 285, 207]
      ShowName		      off
      SourceBlock	      "commdigbbnd/MPSK mod\nbaseband"
      SourceType	      "Baseband MPSK modulation"
      M			      "8"
      td		      "1"
      Ph		      "0"
    }
    Block {
      BlockType		      Mux
      Name		      "Mux"
      Ports		      [2, 1]
      Position		      [415, 71, 450, 104]
      ShowName		      off
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      DisplayOption	      "none"
    }
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      BlockType		      Mux
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      Ports		      [2, 1]
      Position		      [485, 286, 520, 319]
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      ShowName		      off
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    }
    Block {
      BlockType		      Reference
      Name		      "Sampled read with\nsynchronized pulse"
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      Position		      [15, 68, 95, 112]
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      SourceBlock	      "com_sour/Sampled read with\nsynchronized pulse"
      SourceType	      "Read from workspace"
      var		      "randint(300,1,2^2)"
      td		      "1"
      cyc		      "1"
      ini		      "0"
    }
    Block {
      BlockType		      Terminator
      Name		      "Terminator_1"
      Position		      [465, 325, 475, 335]
      ForegroundColor	      "blue"
      ShowName		      off
    }
    Block {
      BlockType		      SubSystem
      Name		      "information"
      Ports		      []
      Position		      [695, 235, 740, 276]
      ForegroundColor	      "magenta"
      ShowName		      off
      ShowPortLabels	      on
      TreatAsAtomicUnit	      off
      RTWSystemCode	      "Auto"
      RTWFcnNameOpts	      "Auto"
      RTWFileNameOpts	      "Auto"
      MaskDisplay	      "disp('?')"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
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	PaperUnits		"inches"
	ZoomFactor		"100"
	AutoZoom		on
	Annotation {
	  Position		  [312, 37]
	  Text			  "This example simulates an 8-PSK Trellis Cod"
"e Modulation. The first row of the the block diagram is\nthe transmission par"
"t. The second row of the block diagram is the modulation/demodulation and  \n"
"channel part. The third row is the signal recovery part.\n"
	}
	Annotation {
	  Position		  [237, 97]
	  Text			  "The convolution code  structure is given in"
" the block diagram \"ungerboe\"."
	}
	Annotation {
	  Position		  [202, 132]
	  Text			  "For fast simulation, set the Trellis figure"
" plot length to be 0."
	}
      }
    }
    Block {
      BlockType		      SubSystem
      Name		      "transfer function"
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      Position		      [680, 285, 760, 332]
      ForegroundColor	      "magenta"
      ShowName		      off
      OpenFcn		      "ungerboe;tf = sim2tran('ungerboe');N_con_demo=t"
"f(1,size(tf,2));K_con_demo=tf(2,size(tf,2));"
      ShowPortLabels	      on
      TreatAsAtomicUnit	      off
      RTWSystemCode	      "Auto"
      RTWFcnNameOpts	      "Auto"
      RTWFileNameOpts	      "Auto"
      MaskDisplay	      "disp('Generating\\ntran_func')"
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
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    }
    Line {
      SrcBlock		      "Sampled read with\nsynchronized pulse"
      SrcPort		      1
      Points		      [10, 0]
      Branch {
	Points			[0, -35; 540, 0; 0, 140]
	DstBlock		"Error rate1"
	DstPort			1
      }
      Branch {
	DstBlock		"Integer scalar\nto vector"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "Mux1"
      SrcPort		      1
      DstBlock		      "Integer vector\nto scalar"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Sampled read with\nsynchronized pulse"
      SrcPort		      2
      Points		      [10, 0; 0, 25]
      Branch {
	Points			[175, 0]
	DstBlock		"Binary vector\nconvol encode"
	DstPort			2
      }
      Branch {
	Points			[0, 220; 235, 0; 0, -15]
	DstBlock		"Binary vector\nconvol decode2"
	DstPort			2
      }
    }
    Line {
      SrcBlock		      "Integer Delay"
      SrcPort		      1
      Points		      [35, 0]
      DstBlock		      "Mux1"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Demux"
      SrcPort		      1
      Points		      [15, 0; 0, -30]
      DstBlock		      "Integer Delay"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Binary vector\nconvol decode2"
      SrcPort		      1
      DstBlock		      "Mux1"
      DstPort		      2
    }
    Line {
      SrcBlock		      "Demux"
      SrcPort		      2
      DstBlock		      "Binary vector\nconvol decode2"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Mux"
      SrcPort		      1
      DstBlock		      "Integer vector\nto scalar1"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Demux1"
      SrcPort		      1
      Points		      [105, 0; 0, 10]
      DstBlock		      "Mux"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Binary vector\nconvol encode"
      SrcPort		      1
      DstBlock		      "Mux"
      DstPort		      2
    }
    Line {
      SrcBlock		      "Demux1"
      SrcPort		      2
      DstBlock		      "Binary vector\nconvol encode"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Integer scalar\nto vector"
      SrcPort		      1
      DstBlock		      "Demux1"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Integer scalar\nto vector1"
      SrcPort		      1
      DstBlock		      "Demux"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Integer vector\nto scalar"
      SrcPort		      1
      Points		      [25, 0; 0, -100]
      DstBlock		      "Error rate1"
      DstPort		      2
    }
    Line {
      SrcBlock		      "Binary vector\nconvol decode2"
      SrcPort		      2
      DstBlock		      "Terminator_1"
      DstPort		      1
    }
    Line {
      SrcBlock		      "AWGN\nchannel"
      SrcPort		      1
      DstBlock		      "MPSK demod\nbaseband"
      DstPort		      1
    }
    Line {
      SrcBlock		      "MPSK mod\nbaseband"
      SrcPort		      1
      DstBlock		      "AWGN\nchannel"
      DstPort		      1
    }
    Line {
      SrcBlock		      "MPSK demod\nbaseband"
      SrcPort		      1
      Points		      [10, 0; 0, 40; -435, 0]
      DstBlock		      "Integer scalar\nto vector1"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Integer vector\nto scalar1"
      SrcPort		      1
      Points		      [10, 0; 0, 45; -400, 0; 0, 50]
      DstBlock		      "MPSK mod\nbaseband"
      DstPort		      1
    }
    Annotation {
      Position		      [377, 17]
      ForegroundColor	      "red"
      Text		      "Ungerboeck Trellis Code Modulation"
      FontSize		      12
      FontWeight	      "bold"
    }
    Annotation {
      Position		      [380, 417]
      Text		      "Warning: This model is obsolete and may be remo"
"ved in the future."
      FontName		      "Arial"
      FontSize		      12
    }
  }
}