Quick WiFi packets per second calculation for different speeds

wifi-packet-speed.ipynb

{
 "metadata": {
  "name": "WiFi-Performance"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "# WiFi Packet Perfomance\n",
      "\n",
      "Calculate packets per second for a given packet size in **bytes** and speen in _millions of **bits**_.\n",
      "\n"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "packet_size = 1300     # packet size in **bytes**\n",
      "print \"For a packet size of %d bytes:\" % packet_size\n",
      "\n",
      "# some different speeds to calculate\n",
      "senarios = [\n",
      "    {'name': \" 11   Mbit/s\", 'mb': 11e6},\n",
      "    {'name': \"  5   Mbit/s\", 'mb':  5e6},\n",
      "    {'name': \"  2.5 Mbit/s\", 'mb':  2.5e6},\n",
      "    {'name': \"  1   Mbit/s\", 'mb':  1e6},\n",
      "]\n",
      "\n",
      "# put packet size in bits\n",
      "packet_size *= 8\n",
      "\n",
      "# do calc\n",
      "for senario in senarios:\n",
      "\n",
      "    # packet per second\n",
      "    pps = senario['mb']/ packet_size\n",
      "\n",
      "    # round to nearest whole packet\n",
      "    pps = int(pps)\n",
      "\n",
      "    # print result\n",
      "    print \"    at %s send: %5d packets per second\" % (senario['name'], pps)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "For a packet size of 1300 bytes:\n",
        "    at  11   Mbit/s send:  1057 packets per second\n",
        "    at   5   Mbit/s send:   480 packets per second\n",
        "    at   2.5 Mbit/s send:   240 packets per second\n",
        "    at   1   Mbit/s send:    96 packets per second\n"
       ]
      }
     ],
     "prompt_number": 4
    }
   ],
   "metadata": {}
  }
 ]
}