wireless_ofdm.mdl

一种OFDM的系统实现

	Block {
	  BlockType		  Reference
	  Name			  "Matrix\nConcatenation"
	  Ports			  [11, 1]
	  Position		  [345, 126, 405, 334]
	  SourceBlock		  "simulink/Math\nOperations/Matrix\nConcatena"
"tion"
	  SourceType		  "Matrix Concatenation"
	  numInports		  "11"
	  catMethod		  "Vertical"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Multiport\nSelector"
	  Ports			  [1, 6]
	  Position		  [150, 109, 215, 351]
	  SourceBlock		  "dspindex/Multiport\nSelector"
	  SourceType		  "Multiport Selector"
	  rowsOrCols		  "Rows"
	  idxCellArray		  "{1:2,3:9,10:12,13:15,16:21,22:24}"
	  idxErrMode		  "Clip Index"
	}
	Block {
	  BlockType		  Reference
	  Name			  "PN Sequence\nGenerator"
	  Ports			  [0, 1]
	  Position		  [50, 38, 130, 82]
	  SourceBlock		  "commseqgen2/PN Sequence\nGenerator"
	  SourceType		  "PN Sequence Generator"
	  poly			  "[1 0 0 1 0 0 0 1]"
	  ini_sta		  "[1 1 1 1 1 1 1]"
	  shift			  "0"
	  Ts			  "9.6e-6"
	  frameBased		  off
	  sampPerFrame		  "1"
	  reset			  off
	}
	Block {
	  BlockType		  Reference
	  Name			  "Unipolar to\nBipolar\nConverter"
	  Ports			  [1, 1]
	  Position		  [160, 40, 225, 80]
	  ShowName		  off
	  SourceBlock		  "commutil2/Unipolar to\nBipolar\nConverter"
	  SourceType		  "Unipolar to Bipolar Converter"
	  ShowPortLabels	  on
	  M			  "2"
	  polarity		  "Negative"
	}
	Block {
	  BlockType		  SubSystem
	  Name			  "Zero pad for OFDM"
	  Ports			  [1, 1]
	  Position		  [460, 205, 515, 255]
	  TreatAsAtomicUnit	  off
	  MinAlgLoopOccurrences	  off
	  RTWSystemCode		  "Auto"
	  MaskDisplay		  "disp('Zero pad\\nfor OFDM');"
	  MaskIconFrame		  on
	  MaskIconOpaque	  on
	  MaskIconRotate	  "none"
	  MaskIconUnits		  "autoscale"
	  System {
	    Name		    "Zero pad for OFDM"
	    Location		    [191, 421, 703, 556]
	    Open		    off
	    ModelBrowserVisibility  off
	    ModelBrowserWidth	    200
	    ScreenColor		    "white"
	    PaperOrientation	    "landscape"
	    PaperPositionMode	    "auto"
	    PaperType		    "usletter"
	    PaperUnits		    "inches"
	    ZoomFactor		    "100"
	    Block {
	      BlockType		      Inport
	      Name		      "In1"
	      Position		      [30, 53, 60, 67]
	      Port		      "1"
	      IconDisplay	      "Port number"
	      LatchInput	      off
	    }
	    Block {
	      BlockType		      Selector
	      Name		      "Selector"
	      Ports		      [1, 1]
	      Position		      [230, 38, 280, 82]
	      Elements		      "[27:64 1:26]"
	      InputPortWidth	      "64"
	    }
	    Block {
	      BlockType		      Reference
	      Name		      "Zero Pad"
	      Ports		      [1, 1]
	      Position		      [120, 42, 165, 78]
	      SourceBlock	      "dspsigops/Zero Pad"
	      SourceType	      "Zero Pad"
	      padSigAt		      "End"
	      zpadAlong		      "Columns"
	      padNumOutRowsSpecMethod "User-specified"
	      numOutRows	      "64"
	      padNumOutColsSpecMethod "User-specified"
	      numOutCols	      "1"
	      trunc_flag	      "None"
	    }
	    Block {
	      BlockType		      Outport
	      Name		      "Out1"
	      Position		      [360, 53, 390, 67]
	      IconDisplay	      "Port number"
	      BusOutputAsStruct	      off
	    }
	    Line {
	      SrcBlock		      "Selector"
	      SrcPort		      1
	      DstBlock		      "Out1"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "Zero Pad"
	      SrcPort		      1
	      DstBlock		      "Selector"
	      DstPort		      1
	    }
	    Line {
	      SrcBlock		      "In1"
	      SrcPort		      1
	      DstBlock		      "Zero Pad"
	      DstPort		      1
	    }
	  }
	}
	Block {
	  BlockType		  Outport
	  Name			  "Out"
	  Position		  [765, 223, 795, 237]
	  IconDisplay		  "Port number"
	  BusOutputAsStruct	  off
	}
	Line {
	  SrcBlock		  "Zero pad for OFDM"
	  SrcPort		  1
	  DstBlock		  "IFFT"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "IFFT"
	  SrcPort		  1
	  DstBlock		  "Add Cyclic\nPrefix"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Add Cyclic\nPrefix"
	  SrcPort		  1
	  DstBlock		  "Out"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "PN Sequence\nGenerator"
	  SrcPort		  1
	  DstBlock		  "Unipolar to\nBipolar\nConverter"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Unipolar to\nBipolar\nConverter"
	  SrcPort		  1
	  Points		  [25, 0; 0, 90]
	  Branch {
	    DstBlock		    "Matrix\nConcatenation"
	    DstPort		    2
	  }
	  Branch {
	    Points		    [0, 40]
	    Branch {
	      DstBlock		      "Matrix\nConcatenation"
	      DstPort		      4
	    }
	    Branch {
	      Points		      [0, 80]
	      Branch {
		DstBlock		"Matrix\nConcatenation"
		DstPort			8
	      }
	      Branch {
		Points			[0, 40]
		DstBlock		"Gain"
		DstPort			1
	      }
	    }
	  }
	}
	Line {
	  SrcBlock		  "Matrix\nConcatenation"
	  SrcPort		  1
	  DstBlock		  "Zero pad for OFDM"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "DSP\nConstant"
	  SrcPort		  1
	  DstBlock		  "Matrix\nConcatenation"
	  DstPort		  6
	}
	Line {
	  SrcBlock		  "Multiport\nSelector"
	  SrcPort		  1
	  DstBlock		  "Matrix\nConcatenation"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Multiport\nSelector"
	  SrcPort		  2
	  DstBlock		  "Matrix\nConcatenation"
	  DstPort		  3
	}
	Line {
	  SrcBlock		  "Multiport\nSelector"
	  SrcPort		  3
	  DstBlock		  "Matrix\nConcatenation"
	  DstPort		  5
	}
	Line {
	  SrcBlock		  "Multiport\nSelector"
	  SrcPort		  4
	  DstBlock		  "Matrix\nConcatenation"
	  DstPort		  7
	}
	Line {
	  SrcBlock		  "Multiport\nSelector"
	  SrcPort		  5
	  DstBlock		  "Matrix\nConcatenation"
	  DstPort		  9
	}
	Line {
	  SrcBlock		  "Multiport\nSelector"
	  SrcPort		  6
	  DstBlock		  "Matrix\nConcatenation"
	  DstPort		  11
	}
	Line {
	  SrcBlock		  "Gain"
	  SrcPort		  1
	  DstBlock		  "Matrix\nConcatenation"
	  DstPort		  10
	}
	Line {
	  SrcBlock		  "In"
	  SrcPort		  1
	  DstBlock		  "Multiport\nSelector"
	  DstPort		  1
	}
      }
    }
    Block {
      BlockType		      Reference
      Name		      "Received Signal"
      Tag		      "ScatterPlot"
      Ports		      [1]
      Position		      [440, 420, 490, 470]
      Orientation	      "left"
      NamePlacement	      "alternate"
      Diagnostics	      "AllowInheritedTsInSrc"
      SourceBlock	      "commsink2/Discrete-Time\nScatter Plot\nScope"
      SourceType	      "Discrete-Time Scatter Plot Scope"
      ShowPortLabels	      on
      sampPerSymb	      "1"
      offsetEye		      "0"
      numTraces		      "160"
      numNewFrames	      "80"
      LineMarkers	      "."
      LineColors	      "b"
      fading		      on
      render		      off
      AxisGrid		      on
      xMin		      "-1.5"
      xMax		      "1.5"
      yMin		      "-1.5"
      yMax		      "1.5"
      inphaseLabel	      "In-phase Amplitude"
      quadratureLabel	      "Quadrature Amplitude"
      openScopeAtSimStart     on
      FrameNumber	      off
      FigPos		      "[553 313 358 358]"
      figTitle		      "Scatter Plot"
      numLinesMax	      "8"
      block_type_	      "scatter"
    }
    Block {
      BlockType		      Reference
      Name		      "Rectangular QAM\nDemodulator\nBaseband"
      Ports		      [1, 1]
      Position		      [370, 314, 445, 366]
      Orientation	      "left"
      SourceBlock	      "commdigbbndam2/Rectangular QAM\nDemodulator\nBa"
"seband"
      SourceType	      "Rectangular QAM Demodulator Baseband"
      M			      "16"
      OutType		      "Bit"
      Dec		      "Gray"
      PowType		      "Average Power"
      MinDist		      "2"
      AvgPow		      "1"
      PeakPow		      "1"
      Ph		      "0"
      numSamp		      "1"
    }
    Block {
      BlockType		      Reference
      Name		      "Rectangular QAM\nModulator\nBaseband"
      Ports		      [1, 1]
      Position		      [375, 59, 450, 111]
      SourceBlock	      "commdigbbndam2/Rectangular QAM\nModulator\nBase"
"band"
      SourceType	      "Rectangular QAM Modulator Baseband"
      M			      "16"
      InType		      "Bit"
      Enc		      "Gray"
      PowType		      "Average Power"
      MinDist		      "2"
      AvgPow		      "1"
      PeakPow		      "1"
      Ph		      "0"
      numSamp		      "1"
    }
    Block {
      BlockType		      Reference
      Name		      "Spectrum\nScope"
      Ports		      [1]
      Position		      [670, 260, 705, 310]
      Orientation	      "left"
      NamePlacement	      "alternate"
      SourceBlock	      "dspsnks4/Spectrum\nScope"
      SourceType	      "Spectrum Scope"
      ShowPortLabels	      off
      ScopeProperties	      off
      Domain		      "Frequency"
      HorizSpan		      "1"
      UseBuffer		      on
      BufferSize	      "80"
      Overlap		      "0"
      inpFftLenInherit	      on
      FFTlength		      "1024"
      numAvg		      "10"
      DisplayProperties	      off
      AxisGrid		      on
      Memory		      off
      FrameNumber	      on
      AxisLegend	      off
      AxisZoom		      off
      OpenScopeAtSimStart     on
      OpenScopeImmediately    off
      FigPos		      "figposition([25    15    42    27])"
      AxisProperties	      off
      XUnits		      "Hertz"
      XRange		      "[-Fs/2...Fs/2]"
      InheritXIncr	      off
      XIncr		      "1.0"
      XLabel		      "Samples"
      YUnits		      "dB"
      YMin		      "-60"
      YMax		      "0"
      YLabel		      "Magnitude, dB"
      LineProperties	      off
      wintypeSpecScope	      "Hann"
      RsSpecScope	      "50"
      betaSpecScope	      "5"
      winsampSpecScope	      "Periodic"
    }
    Block {
      BlockType		      Terminator
      Name		      "Terminator"
      Position		      [515, 365, 535, 385]
      Orientation	      "left"
      ShowName		      off
    }
    Block {
      BlockType		      Reference
      Name		      "Transmitted Signal"
      Tag		      "ScatterPlot"
      Ports		      [1]
      Position		      [565, 150, 610, 200]
      Diagnostics	      "AllowInheritedTsInSrc"
      SourceBlock	      "commsink2/Discrete-Time\nScatter Plot\nScope"
      SourceType	      "Discrete-Time Scatter Plot Scope"
      ShowPortLabels	      on
      sampPerSymb	      "1"
      offsetEye		      "0"
      numTraces		      "60"
      numNewFrames	      "60"
      LineMarkers	      "."
      LineColors	      "r"
      fading		      off
      render		      on
      AxisGrid		      on
      xMin		      "-1.5"
      xMax		      "1.5"
      yMin		      "-1.5"
      yMax		      "1.5"
      inphaseLabel	      "In-phase Amplitude"
      quadratureLabel	      "Quadrature Amplitude"
      openScopeAtSimStart     on
      FrameNumber	      off
      FigPos		      "[72 313 358 358]"
      figTitle		      "Scatter Plot"
      numLinesMax	      "8"
      block_type_	      "scatter"
    }
    Line {
      SrcBlock		      "Rectangular QAM\nModulator\nBaseband"
      SrcPort		      1
      Points		      [55, 0]
      Branch {
	DstBlock		"OFDM Transmitter"
	DstPort			1
      }
      Branch {
	Points			[0, 90]
	DstBlock		"Transmitted Signal"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "Bernoulli Random\nBinary Generator"
      SrcPort		      1
      Points		      [0, 0; 15, 0]
      Branch {
	Points			[0, 115]
	DstBlock		"Error Rate Calculation"
	DstPort			1
      }
      Branch {
	DstBlock		"Rectangular QAM\nModulator\nBaseband"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "OFDM Receiver"
      SrcPort		      1
      Points		      [-75, 0]
      Branch {
	DstBlock		"Rectangular QAM\nDemodulator\nBaseband"
	DstPort			1
      }
      Branch {
	Points			[10, 0]
	DstBlock		"Received Signal"
	DstPort			1
      }
    }
    Line {
      SrcBlock		      "Error Rate Calculation"
      SrcPort		      1
      DstBlock		      "Display"
      DstPort		      1
    }
    Line {
      SrcBlock		      "OFDM Receiver"
      SrcPort		      2
      DstBlock		      "Terminator"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Rectangular QAM\nDemodulator\nBaseband"
      SrcPort		      1
      Points		      [-230, 0; 0, -115]
      DstBlock		      "Error Rate Calculation"
      DstPort		      2
    }
    Line {
      SrcBlock		      "OFDM Transmitter"
      SrcPort		      1
      Points		      [85, 0]
      DstBlock		      "Channel"
      DstPort		      1
    }
    Line {
      SrcBlock		      "Channel"
      SrcPort		      1
      Points		      [0, 45]
      Branch {
	Points			[0, 75]
	DstBlock		"OFDM Receiver"
	DstPort			1
      }
      Branch {
	DstBlock		"Spectrum\nScope"
	DstPort			1
      }
    }
    Annotation {
      Name		      "\n        "
      Position		      [105, 478]
      HorizontalAlignment     "left"
      FontName		      "Arial"
      FontSize		      11
      FontWeight	      "bold"
    }
    Annotation {
      Name		      "Error rate "
      Position		      [393, 192]
      FontName		      "Arial"
    }
    Annotation {
      Name		      "Num Errors"
      Position		      [397, 213]
      FontName		      "Arial"
    }
    Annotation {
      Name		      "Num Bits  "
      Position		      [396, 235]
      FontName		      "Arial"
    }
  }
}
MatData {
  NumRecords		  2
  DataRecord {
    Tag			    DataTag1
    Data		    " 0!-20         .    8     8    (     0         % "
"   \"     $    !     0         .    ,     8    (    !          %    \"     $ "
"   $     0      !  0249&5 "
  }
  DataRecord {
    Tag			    DataTag0
    Data		    " 0!-20         .    8     8    (     0         % "
"   \"     $    !     0         .    ,     8    (    !          %    \"     $ "
"   #     0       P 01D94  "
  }
}