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-{
- "metadata": {
-  "name": "",
-  "signature": "sha256:8bd5af3b2acf26b36843842ce0fbb28501e7f5eae117a0af6c810fe6d60c2891"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
-  {
-   "cells": [
-    {
-     "cell_type": "heading",
-     "level": 1,
-     "metadata": {},
-     "source": [
-      "Chapter 11 The Transmission of binary data in communication systems"
-     ]
-    },
-    {
-     "cell_type": "heading",
-     "level": 2,
-     "metadata": {},
-     "source": [
-      "Example 11.1 Page no 392"
-     ]
-    },
-    {
-     "cell_type": "code",
-     "collapsed": false,
-     "input": [
-      "#Given\n",
-      "t=0.0016\n",
-      "No_words=256.0\n",
-      "bits_word = 12.0\n",
-      "\n",
-      "#Calculation\n",
-      "tword= t/No_words\n",
-      "tbit = tword/bits_word\n",
-      "bps =1/tbit\n",
-      "\n",
-      "#Result\n",
-      "print\"(a) The time duration of the word \",tword*10**8,\"microsecond\"\n",
-      "print\"(b) The time duration of the one bit is \",round(tbit*10**8,4),\"microseconds\"\n",
-      "print\"(c) The speed of transmission is \",bps/10**5,\"kbps\"\n"
-     ],
-     "language": "python",
-     "metadata": {},
-     "outputs": [
-      {
-       "output_type": "stream",
-       "stream": "stdout",
-       "text": [
-        "(a) The time duration of the word  625.0 microsecond\n",
-        "(b) The time duration of the one bit is  52.0833 microseconds\n",
-        "(c) The speed of transmission is  19.2 kbps\n"
-       ]
-      }
-     ],
-     "prompt_number": 2
-    },
-    {
-     "cell_type": "heading",
-     "level": 2,
-     "metadata": {},
-     "source": [
-      "Example 11.2 Page no 400"
-     ]
-    },
-    {
-     "cell_type": "code",
-     "collapsed": false,
-     "input": [
-      "#Given\n",
-      "B=12.5*10**3\n",
-      "SN_dB= 25\n",
-      "\n",
-      "#Calculation\n",
-      "import math\n",
-      "C_th = 2*B\n",
-      "SN=316.2\n",
-      "C =B*3.32*log10(SN+1)\n",
-      "N= 2**(C/(2.0*B))\n",
-      "\n",
-      "#Result\n",
-      "print\"(a) The maximum theorotical data rate is \",C_th/10**3,\"kbps\"\n",
-      "print\"(b) The maximum theorotical capacity of channel is \",round(C/10**3,1),\"Kbps\"\n",
-      "print\"(c) The number of levels needed to acheive maximum speed are \",round(N,2)\n"
-     ],
-     "language": "python",
-     "metadata": {},
-     "outputs": [
-      {
-       "output_type": "stream",
-       "stream": "stdout",
-       "text": [
-        "(a) The maximum theorotical data rate is  25.0 kbps\n",
-        "(b) The maximum theorotical capacity of channel is  103.8 Kbps\n",
-        "(c) The number of levels needed to acheive maximum speed are  17.78\n"
-       ]
-      }
-     ],
-     "prompt_number": 5
-    },
-    {
-     "cell_type": "heading",
-     "level": 2,
-     "metadata": {},
-     "source": [
-      "Example 11.3 Page no 430"
-     ]
-    },
-    {
-     "cell_type": "code",
-     "collapsed": false,
-     "input": [
-      "#Given\n",
-      "block =512\n",
-      "packets =8\n",
-      "BER = 2*10**-4\n",
-      " \n",
-      "#Calculation\n",
-      "avg_errors = block*packets*8*BER\n",
-      "\n",
-      "print\"Average number of errors are \",avg_errors\n"
-     ],
-     "language": "python",
-     "metadata": {},
-     "outputs": [
-      {
-       "output_type": "stream",
-       "stream": "stdout",
-       "text": [
-        "Average number of errors are  6.5536\n"
-       ]
-      }
-     ],
-     "prompt_number": 3
-    }
-   ],
-   "metadata": {}
-  }
- ]
-}
-\ No newline at end of file