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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 6: Frequency Management and Channel Assignment"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 6.10: Size_of_cell.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"R2=20\n",
"N=7\n",
"R1=R2/2.6\n",
"A=round(3*sqrt(3)/2*R1^2)//size of smaller cell\n",
"disp(A,'size of each smaller cell in kmsqr')"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 6.1: number_of_channels_per_cell.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"K=4\n",
"tbw=20*10^6//total bandwidth\n",
"cbwpc=25*10^3//channel bandwidth/simplex channel\n",
"n=2//in a duplex link no of channels\n",
"dcbw=n*cbwpc//duplex channel bandwidth\n",
"N=tbw/dcbw\n",
"N1=N/K\n",
"disp(N,'total no. of duplex channels')\n",
"disp(N1,'no.of channels per cell site')"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 6.4: setup_and_voice_channels_per_cell.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"K=4\n",
"N=9//no.of cells in 1 cluster\n",
"tbw=60*10^6//total bandwidth\n",
"cbwpc=25*10^3//channel bandwidth/simplex channel\n",
"n=2//in a duplex link no of channels\n",
"dcbw=n*cbwpc//duplex channel bandwidth\n",
"N=tbw/dcbw\n",
"sbw=10^6//bandwidth for setup channels\n",
"N1=sbw/dcbw//total no.of available setup channels\n",
"disp(N1,'total no.of available setup channels')\n",
"vbw=tbw-sbw\n",
"N2=vbw/dcbw//total no. of available voice channels\n",
"disp(N2,'total no.of available voice channels')"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 6.5: Fixed_Channel_Assignment.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"NV=168\n",
"N=7\n",
"NVpc=NV/N//number of voice channels omnidirectional case\n",
"NS=3\n",
"NScl=N*NS\n",
"NcS=NV/NScl //number of voice channels 3-sector\n",
"NS1=6\n",
"NScl1=N*NS1\n",
"NcS1=NV/NScl1 //number of voice channels 6-sector\n",
"disp(NVpc,'number of voice channels assigned in each cell')\n",
"disp(NcS,'number of voice channels assigned in each sector(3-sector case)')\n",
"disp(NcS1,'number of voice channels assigned in each sector(6-sector case)')"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Scilab",
"language": "scilab",
"name": "scilab"
},
"language_info": {
"file_extension": ".sce",
"help_links": [
{
"text": "MetaKernel Magics",
"url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
}
],
"mimetype": "text/x-octave",
"name": "scilab",
"version": "0.7.1"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
|
