cdma2k_phlayer.mdl

CDMA 2000 simulation using SIMULINK

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	Annotation {
	  Name			  "CDMA2000 1xRTT Physical Layer\nRadio Config"
"uration 3 - Forward Fundamental Channel"
	  Position		  [307, 26]
	  FontName		  "Bookman Old Style"
	  FontSize		  16
	  FontWeight		  "bold"
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	Annotation {
	  Name			  "This model simulates a CDMA2000 1xRTT Forwa"
"rd link (between Base Station and Mobile Station).\nParticularly, it simulate"
"s the Radio Configuration 3 of a Forward Fundamental channel.\n\nThe block CD"
"MA2k: Initial settings allows you to set different parameters such as data ra"
"te, Power Control\nSubChannel insertion rate, spreading code index, QOSF inde"
"x as well as the channel model.\n\nThis application example includes the foll"
"owing blocks:  \n	- Frame Quality Indicator Insertion and Extraction\n"
"	- Adding and Deleting Tail Bits before and after coding\n	- Co"
"nvolution encoding and decoding\n	- Repetition and derepetition\n"
"	- Puncturing and Zero padding\n	- Interleaving\n	- Long"
" Code Scrambling\n	- Power Control Insertion\n	- Signal Point M"
"apping\n	- Modulation\n	- Spreading by Walsh code and a QOF mas"
"k\n	- Walsh Code rotation\n	- Quadrature Scrambling by a PN Seq"
"uence\n	- Tx and Rx Filtering by an oversampled RRC\n	- Differe"
"nt channel models such as AWGN or Multipath Rayleigh Fading\n	- Rake R"
"eceiver\n	- Channel estimation\n	- Rake Combiner\n\nHighlights:"
"\n	- Extensive use of the Communications Library to implement wireless"
" systems\n	- Use of  sub-system to design represent the architecture o"
"f the design\n	- Use of a library to reuse and share custom built bloc"
"ks\n	- Use of S-Fcn builder to insert customized C code to implement a"
"n extend PN Sequence\n	- Use of general mask to control the different "
"paramters of the simulation\n	- Extensive use of scopes to visualize t"
"he data at different points of the model \n\nReference:  <http://www.3gpp2.co"
"m/> "
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      OpenFcn		      "open('cdma2k_lib.mdl');"
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      OpenFcn		      "str1 = 'Rx Antenna';                           "
"                           \nstr2 = 'From Channel';                          "
"                          \nstr3 = 'After Rake';                             "
"                         \nstr4 = 'After Correlation';                       "
"                        \nstr5 = 'After Derotation';                         "
"                       \nstr6 = 'After Pulse Shaping';                       "
"                      \nstr7 = 'From Channel';                               "
"                     \n                                                      "
"                    \nsdspfscope2([],[],[],'ScopeUpdate',[bdroot '/' str1 '/'"
" str2 ],'OpenFig');\nsdspfscope2([],[],[],'ScopeUpdate',[bdroot '/' str1 '/' "
"str3 ],'OpenFig');\nsdspfscope2([],[],[],'ScopeUpdate',[bdroot '/' str1 '/' s"
"tr4 ],'OpenFig');\nsdspfscope2([],[],[],'ScopeUpdate',[bdroot '/' str1 '/' st"
"r5 ],'OpenFig');\nsdspfscope2([],[],[],'ScopeUpdate',[bdroot '/' str6],'OpenF"
"ig');          \n sdspfscope2([],[],[],'ScopeUpdate',[bdroot '/' str7],'OpenF"
"ig');         \n                                                             "
"             "
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    }
    Block {
      BlockType		      Display
      Name		      "PC SubChannel"
      Ports		      [1]
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      NamePlacement	      "alternate"
      Decimation	      "1"
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    Block {
      BlockType		      Reference
      Name		      "Power Control\nSubChannel"
      Ports		      [0, 1]
      Position		      [435, 249, 505, 271]
      BackgroundColor	      "[0.580392, 0.725490, 0.960784]"
      AttributesFormatString  "\\n\\n\\n\\n"
      SourceBlock	      "dspsrcs4/DSP\nConstant"
      SourceType	      "DSP Constant"
      Value		      "1"
      SampleMode	      "Discrete"
      discreteOutput	      "Frame-based"
      continuousOutput	      "Sample-based"
      sampTime		      "20e-3/16"
      framePeriod	      "20e-3/16"
      additionalParams	      off
      dataType		      "Inherit from 'Constant value'"
      wordLen		      "16"
      udDataType	      "sfix(16)"
      fracBitsMode	      "Best precision"
      numFracBits	      "15"
      InterpretAs1D	      "off"
      Ts		      "20e-3/16"
      FramebasedOutput	      "on"
    }
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      BlockType		      SubSystem
      Name		      "Rx Antenna"
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	  Name			  "After Correlation"
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	  NamePlacement		  "alternate"
	  SourceBlock		  "commsink2/Discrete-Time\nScatter Plot\nScop"
"e"
	  SourceType		  "Discrete-Time Scatter Plot Scope"
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	  sampPerSymb		  "1"
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	  NamePlacement		  "alternate"
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	  Name			  "From Channel"
	  Tag			  "ScatterPlot"
	  Ports			  [1]
	  Position		  [665, 40, 715, 90]
	  Orientation		  "left"
	  NamePlacement		  "alternate"
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	Block {
	  BlockType		  Reference
	  Name			  "Long Code DeScrambling\nPower Control Extra"
"cting"
	  Ports			  [2, 2]
	  Position		  [175, 105, 260, 200]
	  Orientation		  "left"
	  SourceBlock		  "cdma2k_lib/cdma2000 Receiver/Long Code DeSc"
"rambling\nPower Control Extracting"
	  SourceType		  "Long Code DeScrambling"
	  radConfig		  "Radio Configuration 3"
	  numSamp		  "768"
	  nFrameMask		  "1"
	  longCScrMask		  "On"
	  gateRateMask		  "1/4"
	  TxDivMode		  "Non-TD"
	  plcMask		  "[1 1 0 0 0 plcm_37]"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Rake Receiver"
	  Ports			  [1, 4]
	  Position		  [505, 108, 625, 287]
	  Orientation		  "left"
	  SourceBlock		  "cdma2k_lib/cdma2000 Receiver/Rake Receiver"
	  SourceType		  "Rake Receiver"
	  walshLength		  "64"
	  trChCode		  "23"
	  pnOffset		  "1"
	  qof_idx		  "2"
	  numTapsChEst		  "11"
	  numTapsRRC		  "48"
	  overSampling		  "4"
	  fingerEnables		  "fingerEnables"
	  fingerPhases		  "fingerPhasesTicks"
	}
	Block {
	  BlockType		  Reference
	  Name			  "Rx Baseband Filtering"
	  Ports			  [1, 1]
	  Position		  [665, 173, 750, 227]
	  Orientation		  "left"
	  SourceBlock		  "cdma2k_lib/cdma2000 Receiver/Rx Baseband Fi"
"ltering"
	  SourceType		  ""
	}
	Block {
	  BlockType		  Reference
	  Name			  "Symbol Demapping"
	  Ports			  [1, 1]
	  Position		  [330, 152, 405, 198]
	  Orientation		  "left"
	  SourceBlock		  "cdma2k_lib/cdma2000 Receiver/Symbol Demappi"
"ng"
	  SourceType		  ""
	}
	Block {
	  BlockType		  Outport
	  Name			  "PC SubChannel"
	  Position		  [90, 168, 120, 182]
	  Orientation		  "left"
	}
	Block {
	  BlockType		  Outport
	  Name			  "Modulation\nSymbols"
	  Position		  [35, 123, 65, 137]
	  Orientation		  "left"
	  Port			  "2"
	}
	Line {
	  SrcBlock		  "Rake Receiver"
	  SrcPort		  2
	  Points		  [-45, 0]
	  Branch {
	    DstBlock		    "Symbol Demapping"
	    DstPort		    1
	  }
	  Branch {
	    Points		    [0, -115]
	    DstBlock		    "After Rake"
	    DstPort		    1
	  }
	}
	Line {
	  SrcBlock		  "Rake Receiver"
	  SrcPort		  1
	  Points		  [-95, 0]
	  DstBlock		  "Long Code DeScrambling\nPower Control Extra"