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GSM User Guide
December 10, 2003
GSM 1.1.1
Cover Page
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Copyright 2002, 2003
Metapath Software International (US), Inc.
A Marconi Company
Notice
This document contains confidential and proprietary information of Metapath Software International
(US), Inc., a Marconi company (MSI or Marconi) and may not be copied, transmitted, stored in
a retrieval system, or reproduced in any format or media, in whole or in part, without the prior written
consent of Marconi. Information contained in this document supersedes that found in any previous
manuals, guides, specifications data sheets, or other information that may have been provided or
made available to the user. This document is provided for informational purposes only, and Marconi
does not warrant or guarantee the accuracy, adequacy, quality, validity, completeness or suitability
for any purpose the information contained in this document. Marconi may update, improve, and
enhance this document and the products to which it relates at any time without prior notice to the user.
MARCONI MAKES NO WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT
LIMITATION, THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE, WITH RESPECT TO THIS DOCUMENT OR THE INFORMATION CONTAINED
HEREIN.
Trademark Acknowledgement
Marconi, Metapath, Ceer, PlanetNOVA, Ceos, Planet, and deciBel Planner are trademarks or
registered trademarks of the Marconi group of wireless telecommunication companies which include
MSI, Metapath Software International Limited, and Northwood Technologies, Inc. WaveSight is atrademark of Wavecall. This document may contain other trademarks, trade names, or service marks
of other organizations, each of which is the property of its respective owner.
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Contents
i
MARCONI
WIRELESS
PRODUCTS
List of products 2
CONTACTING
MARCONI
Getting technical support 6
Send us your comments 7
INTRODUCTION Whats new in the GSM module 102-Sector C/I tool 10Improvements to the QoS Analyzer 10Support for multiple resolutions of grids in projects 10Enhanced Planet DMS frequency plan import capability 10Support for third-party tools 11
Using this documentation 11
Online Help 11Planet EV documentation library 13
Notational conventions 14Organization of this user guide 16
CHAPTER1Overview of the
GSM Module
Overview of supported technologies 18
Workflow for GSM planning 18
Suggested reading 19
CHAPTER2Creating a GSM
Project
Understanding GSM projects 22
Workflow for creating GSM projects 22
Gathering project information 22
Creating a GSM project 23
To create a GSM project using the Project Wizard 23To create a GSM project manually 23
Migrating a PCS/cellular project 25
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Opening a GSM project 25
To open a GSM project 25
Creating a default project settings file 25To create a default project settings file 26
CHAPTER3Importing Planet
2.8 or Planet DMS
Data
Understanding PCAE 28
Workflow for importing Planet 2.8 or PlanetDMSdata 28
Determining the location and version of the data 29
Creating a PCAE project 29
To create a PCAE project from Planet 2.8 data 29
To create a PCAE project from PlanetDMSdata 30Opening a PCAE project 32To open a PCAE project 33
Understanding the PCAE Project window 34
Working with the tree view 34Understanding the tree view hierarchy 35
Converting Planet 2.8 or PlanetDMSfiles 35
To convert Planet 2.8 or PlanetDMSfiles individually 35To convert Planet 2.8 or PlanetDMSfiles as a batch 36
To set vector color profiles 37Understanding the converted files 37Height and clutter files 37Vector attributes 38Survey data files 38
Viewing Planet 2.8 or PlanetDMSfiles 38
To view a file using the PCAE Project window 38Viewing with multiple Map windows 39
To work with multiple Map windows 39
Saving the project as a PlanetEV
project 39To save a PCAE project as a PlanetEVproject 39Differences between PCAE and PlanetEVfiles 40
Closing a PCAE project 40
To close a PCAE project 40Defining and importing GSM-specific settings 41
To define technologies, bands, and carriers 41To import carrier groups, carrier types, and MALs 42
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CHAPTER4Defining Network
Technologies and
Services
Understanding network technologies and services 46
Technology options 46Data Services 53Workflow for defining network technologies and services 53
Defining the technologies in your network 53
To choose technologies 54To define colors for each technology 55To define network operators 55
Defining GSM settings 56
To define general settings for GSM 56
To define noise settings for GSM 57To define GPRS settings 57To define EGPRS settings 58To define HCL settings for GSM 59
Defining IS-136 settings 61
To define general settings for IS-136 62To define noise settings for IS-136 62To define HCL settings for IS-136 62
Defining AMPS settings 64
To define general settings for AMPS 64To define noise settings for AMPS 65To define HCL settings for AMPS 65
Defining NAMPS settings 67
To define general settings for NAMPS 67To define noise settings for NAMPS 67To define HCL settings for NAMPS 68
Defining iDEN settings 69
To define general settings for iDEN 69
To define noise settings for iDEN 70To define HCL settings for iDEN 70Defining user-defined technology settings 72
To define general settings for a user-defined technology 72To define noise settings for a user-defined technology 73To define HCL settings for a user-defined technology 73
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Defining data services 75
To add a service 75
To remove a service 76Exporting and importing GSM network settings files 76
To export a GSM network settings file 76To import a GSM network settings file 77
CHAPTER5Defining Network
Configuration
Understanding network configuration 80
Spectrum allocation 80Carriers 81
Carrier groups 81Carrier types 81MALs 82Transceivers 82
Workflow for defining network configuration 83
Allocating spectrum and assigning carriers for supported
technologies 83
To define frequency ranges and starting carrier numbers 83To create carriers 85
To update carrier definitions 85To remove bands 86To export a band configuration 86To import an existing band configuration 86
Viewing carriers 87
To view carriers 87Defining carrier groups 88
To change view style 88To create carrier group names automatically 90
To create carrier group names manually 91To view details on carriers and carrier groups 92To delete a carrier group 93To rename a carrier group 93To assign carriers to carrier groups 94To view the groups to which a carrier is assigned 95To import an existing carrier group plan 95
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Filtering carrier display 96
To filter carrier display 96
Defining carrier types 98To change view style 98To create carrier types 99To view details on carriers and carrier types 99To delete a carrier type 99To rename a carrier type 100To assign carriers to carrier types 100To view the types to which a carrier is assigned 101To import an existing carrier type plan 101
Defining mobile allocation lists 101To change view style 102To create mobile allocation list names automatically 102To create mobile allocation list names manually 104To view details on carriers and mobile allocation lists 104To delete a mobile allocation list 104To rename a mobile allocation list 105To assign carriers to mobile allocation lists 105To view the mobile allocation lists to which a carrier is assigned 106
To import an existing mobile allocation list plan 106Defining transceivers 107
To add a row 107To modify the number of time slots required 108To remove the last row in the table 108
CHAPTER6Configuring and
Placing Sites
Understanding sites and sectors 110
Workflow for configuring and placing sites 110
Creating sites 111To create a site based on an existing placed site 111To create a new site 112To create a site from a site configuration file 113
Defining technology sector settings 114
To define technology sector settings 115Defining hierarchical cell layers settings 116
To define sector-specific HCL settings 116
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Defining packet data settings 117
To define packet data settings 117
Defining frequency hopping settings 118Discontinuous transmission (DTX) 118Downlink power control (DLPC) 119To define frequency hopping settings 119
Defining traffic settings 120
Traffic 120BCCH and TCH allocation 121To define traffic settings 122
Defining carrier settings 124
Non-hopping transceivers 124Baseband hopping transceivers 124Synthesized hopping transceivers 125Choosing the correct carrier settings 125To define carrier settings for non-hopping GSM transceivers 126To define carrier settings for other non-hopping transceivers 128To define carrier settings for baseband hopping transceivers 130To define carrier settings for synthesized hopping transceivers 132To change the hopping type in a sector 134
Defining frequency planning settings 134To define frequency planning requirements manually 135To import frequency planning requirements 136To define frequency planning exceptions 139To define illegal carriers for a group of sites 140
Editing placed sites and sectors 141
To edit a placed site 141Saving GSM sector settings 142
To save GSM sector settings 142
To import GSM sector settings 142Editing site configuration files 143
To view or edit a site configuration file 143To import sector settings into a site configuration file 143
Viewing frequency assignment information 144
To view sector information 144Viewing carrier allocation information for sectors 145
To view carrier allocation information for a sector 146
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Calculating carrier requirements 147
To generate a Traffic Analysis and Dimensioning report 147
To update the carrier requirements for your project 149
CHAPTER7Generating and
Viewing Analysis
Layers
Understanding analysis layers 152
Best server analysis 152Interference analysis 154Traffic settings 156Service quality metrics 156Service coverage 158
Required mobile power analysis 159Workflow for generating and viewing analysis layers 159Defining default analysis settings and analysis layers 160
To define default analysis settings 160To define the default analysis layer list 160
Creating a new analysis 161
To create a new analysis 161To define the analysis layers to use in an analysis 161
Defining analysis settings 162
To define Analysis Settings 162To specify the technologies to be analyzed 163To define settings for best server analysis 164To define general interference analysis settings 166To define interference analysis settings for GSM 167To define interference analysis settings for other technologies 168To define BER settings 169To define FER settings for GSM 170To define FER settings for other technologies 171
To define SQE settings for iDEN 172To define traffic settings 172To define coverage settings 175To define required mobile power settings 176To define the analysis area 177
Generating an analysis 179
To run an analysis 179
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Viewing analysis layers 179
To view analysis layers 179
Modifying analysis settings 180To modify analysis settings 180
Using the Curve Editor 180
CHAPTER8Using the 2-
Sector C/I Tool
Understanding the 2-Sector C/I Tool 184
C/I result layers 184C/I statistics 184C/I histogram 186
Cumulative Distribution Function graph 186Workflow for 2-sector C/I analyses 187Using the 2-Sector C/I Tool 188
To perform a 2-sector C/I analysis 188To view results 190
CHAPTER9Frequency
Planning
Understanding frequency planning 194
Workflow for frequency planning 194
Importing a frequency plan 194To import a frequency plan from switch data 195To import a frequency plan from Planet 2.8 or PlanetDMS 196
Working with frequency plans 198
To open a frequency plan 198To save a frequency plan 198To view a frequency plan 199To apply a frequency plan to a project 199To export a frequency plan 200
Viewing sector-to-sector interference in a Map window 200To view interferers for a sector based on an interference matrix 200To view interferers for a sector based on a frequency plan 201
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CHAPTER10Automatic
Frequency
Planning
Understanding automatic frequency planning 204
Interference matrix and neighbor list 204Cost 204Optimization method 205
Workflow for automatic frequency planning 206
Defining general settings 207
To choose the AFP tool 207To choose an interference matrix and neighbor list 208To minimize cost and specify carrier usage 209
Defining advanced settings 210
To define advanced frequency planning settings 210Setting constraints based on carrier type 211To choose a carrier type 212To define cost factors 213To define carrier separations 213To define affected area and traffic thresholds 214To define violation costs 214
Running the Automatic Frequency Planning tool 216
To run the Automatic Frequency Planning tool 216
Applying a frequency plan to sectors 218To apply frequency plan options to sectors 218
CHAPTER11Using the QoS
Analyzer
Understanding the QoS Analyzer 220
The effect of AMR codecs 220Inputs for QoS analysis 221Assumptions of QoS analysis 221Interpreting QoS analysis results 222
Workflow for QoS analysis 224Creating a QoS analysis 225
To create a QoS analysis 225
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Defining QoS analysis settings 227
To open the QoS analysis settings dialog box 227
To define interference matrix settings for a QoS analysis 227To define traffic and AMR settings for a QoS analysis 229To define codecs for a QoS analysis 230To define advanced QoS analysis settings 232
Running a QoS analysis 233
To run a QoS analysis 234Working with QoS analysis results 235
To view QoS analysis results 235To choose which columns are displayed 237
To export QoS analysis results 237Working with exported QoS analysis results 238
Understanding the exported data 238Modifying the Excel macros 241
Working with QoS analyses 243
To modify QoS analysis settings 243To delete a QoS analysis 244To rename a QoS analysis and change the description 244To save a QoS analysis 245
To open a QoS analysis file 245
APPENDIX A 247Site Table Format
APPENDIX B 255GSM File Types
INDEX 257
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1
Marconi Wireless
Products
This chapter contains the
following section:
List of products
The Marconi Wireless Product portfolio provides a
range of products for planning and maintaining
wireless networks.
This section describes the products that are available
as part of the portfolio. For additional details about
any of these products, see Marconis Wireless
Network Planning web site at
http://wnp.marconi.com/main.html.
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List of products
The following table describes Wireless Network Planning products. The table
does not describe PlanetEVmodules and extensions or PlanetDMS
packages. For more information about modules, extensions, and packages, seethe introductory chapters in the User Guide for the specific product or the
Wireless Network Planning web site at http://wnp.marconi.com/main.html.
Product Family Description
PlanetEV A Windows-based wireless network planning and
analysis tool. PlanetEVenables you to add modules and
extensions to support the technologies in your network
and the planning functions that you require. Depending
on the module that you choose, PlanetEVprovidessupport for the following technologies:
GSM (GPRS, EGPRS, IS-136, AMPS, NAMPS, and
iDEN)
CDMA (IS-95A, IS-95B, and cdma2000)
Fixed Wireless (MDS, MCS, WLL, and LMCS)
PlanetDMS A UNIX-based wireless network planning and analysis
tool. Depending on the package that you choose,
PlanetDMSprovides support for the followingtechnologies:
GSM
TDMA (IS-136 and IS-54)
GPRS
W-CDMA (UMTS)
CDMA (IS-95A and IS-95B)
PlanetDMSfor
Windows 2000
The Windows equivalent of PlanetDMS. It runs on an X
Server simulator. This product is subdivided into
packages to enable you to choose only the functions that
you need.
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3
PlanetNOVA A UNIX-based data tracking, storing, and analysis tool
that enables you to understand how customers use and
interact with wireless services. PlanetNOVA canmaintain the following information:
subscriber data, including call detail records and
usage data records
network performance data
business data, including billing and provisioning
information
marketing data
Ceos Mediation
Manager
A UNIX-based data mediation tool that enables you to
collect, correlate, assemble, and distribute voice and data
usage records from multiple types and brands of network
equipment in any format, in real-time.
Product Family Description
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Contacting
Marconi
This chapter contains the
following sections:
Getting technical support Send us your comments
Marconi is committed to providing fast, responsive
technical support. This section provides an extensive
list of contacts to help you through any issues you
may have.
We also welcome any comments about our
documentation. Customer feedback is an essential
element of product development and supports our
efforts to provide the best products, services, and
support we can.
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Contacting MarconiGSM User Guide
Getting technical support
You can get technical support by email, fax, phone, or through the Wireless
Network Planning web pages at
http://www.marconi.com/html/products/wnpproductsupport.htm. Email is thebest way of getting technical support.
Marconi UK
(UK and all other locations, other than those listed below)
Email: [email protected]
Hot-line: +44 (0)207 898 8811
Fax: +44 (0)207 898 8810
Marconi North America
Email: [email protected]: +1-877-777-7441
Fax: +1-972-669-6388
Marconi Latin America
Email: [email protected]
Hot-line: +55 11 5185 7409
Fax: +55 11 5185 7447
Marconi France
Email: [email protected]
or [email protected]: +33 (0)1 55 38 80 50
Fax: +33 (0)1 55 38 80 51
Marconi Hong Kong
Email: [email protected]
Hot-line: +852 2919 8436
Fax: +852 2845 1997
Marconi China
Email: [email protected]: +86 21 5101 6387
Fax: +86 21 5101 6230
Web support is also available. A Technical Assistance Center (TAC) Analyst
will provide you with information on participating in an online technical
support session.
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When you call for technical support, ensure that you have your product ID
number and know which version of the software you are running. You can
obtain this information using the About command from the Help menu.
When you request technical support outside of regular business hours, a TAC
Analyst will respond the next working day by telephone or email, dependingupon the nature of the request.
Send us your comments
Feedback is important to us. Please take the time to send comments and
suggestions on the user documentation you received with your Wireless
Network Planning product. Send your comments to the Technical
Publications Manager at
[email protected] can also complete the online survey. To complete the online survey, open
the online Help, click Send Us Your Comments, and then click the link to the
online survey.
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Introduction
This chapter contains the
following sections:
Whats new in the GSMmodule
Using this documentation
This manual provides the necessary information to
plan networks that contain GSM and some other
TDMA and FDMA technologies.
This chapter details how to use the documentation
and how you can provide feedback on the
documentation.
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Whats new in the GSM module
PlanetEVGSM module 1.1 contains the following new and improved
features:
2-Sector C/I tool
improvements to the QoS analyzer
support for multiple resolutions of grids in projects
enhanced Planet DMS frequency plan import capability
support for third-party tools
2-Sector C/I tool
The 2-Sector C/I tool analyzes the interference between two sectors, ignoring
all others. It produces an analysis layer for each sector, showing the areas
where the other sectors signal causes interference. The tool also produces
comparative C/I performance statistics for both sectors and histograms of C/I
versus coverage area.
Improvements to the QoS Analyzer
The QoS Analyzer results display is enhanced so that you can more easily
view the RxQual and C/I statistics for each cell.
You can export analysis results to a text file or to a spreadsheet that providesmacros for additional interpretation of the statistical data.
You can store default values for the parameters on each panel of the Settings.
You can edit the table that determines the dropped call rate from RxQual.
Support for multiple resolutions of grids in projects
You can now use signal strength files of different resolutions in your analyses.
You can also define the output resolution for the analysis. The default output
resolution is the same as the Digital Elevation Model (DEM) resolution.
Enhanced Planet DMS frequency plan import capability
You can now import frequency hopping information from Planet DMS
frequency plans. This information includes the frequency hopping type,
mobile allocation list (hopset), and mobile allocation index offset for each
sector.
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Support for third-party tools
Architectural enhancements to the GSM module enable the integration of
third-party applications, such as automatic frequency planning and automatic
cell planning tools.
Using this documentation
Before using this documentation, you should be familiar with the Windows
environment. It is assumed that you know how to access ToolTips and
shortcut menus, move and copy objects, resize dialog boxes, expand and
collapse folder trees, and that you are familiar with the basic functions of
MapInfo Professional. MapInfo Professional functions are not documented
in this User Guide. For information about MapInfo Professional, see the
MapInfo online Help and User Guide.
All product information is available through the online Help. You access
online Help using the Help menu or context-sensitive Help from within a
dialog box by pressing the F1 key. If you want to view the online Help for a
specific panel or tab, click in a field or list box to activate the panel or tab
before you press F1. The following sections describe the structure of the
online Help.
Online Help
From the Help menu, you can access online Help for Wireless NetworkPlanning software and for MapInfo Professional. This section describes the
structure of the Wireless Network Planning online Help.
The online Help provides extensive help on all aspects of software use. It
provides
help on all dialog boxes
procedures for using the software
an extensive PlanetEVdocumentation library in PDF format
basic exercises to familiarize you with the software, to be used inconjunction with the data set available from the Wireless
Network Planning software download area
User Guides
The following sections provide details about the resources available through
the online Help.
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Resource Roadmap
When you first use the online Help, start with the Resource Roadmap. It
describes the types of resources available in the online Help and explains how
best to use them. It includes a step-by-step guide that walks you through the
available resources.
Printing
You have two basic options for printing documents:
If you want a good quality print of a single procedure or section,
you can print from the Help window. ClickPrint in the Help
window.
If you want a high quality print of a complete User Guide, use
Acrobat Reader to print the supplied print-ready PDF file
contained in the PlanetEVdocumentation library. Open the PDFfile and choose FilePrint.
Library Search
You can perform a full-text search on all PDF files contained in the PlanetEV
documentation library if you are using the version of Adobe Acrobat Reader
supplied with the software or if you have a version of Acrobat Reader that
supports full-text searches. The first time you perform a search, you must
choose which index to use.
Tutorials
Tutorials are designed to enable you to quickly explore product functionality
and to familiarize you with the software interface. They come with a data setthat enables you to work through each lesson. The data set must be installed
separately.
Tutorials are not available with all products.
How To Help
How To Help provides detailed procedures for performing all required
product functions. The organization of this section reflects a typical network
planning workflow.
You can perform a search on all online Help topics by clicking theSearch tab in the Help window. Type a keyword, and click List Topics to
display all Help topics that contain the keyword. The online Help duplicates
the information found in the User Guide PDF files in order to provide more
complete results. It does not duplicate the information in the Technical Notes,
Release Notes, Glossary, or newsletters.
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The procedures in this section are also available in the User Guides.
Whats This? Help
Whats This? Help provides detailed explanations of all dialog boxes.
User Guides
All User Guides for the Wireless Network Planning software are easily
accessible as part of the online Help.
Planet EVdocumentation library
PlanetEVcomes with an extensive library of User Guides and Technical
Notes in PDF format. Depending on which modules you have installed, the
PlanetEVdocumentation library may contain additional documents. The
following table provides details about the documentation supplied with
PlanetEVand PlanetEVmodules.
Planet EV
Planet EV User Guide Plan and analyze simulated wireless
communication networks.
Grid Analysis User Guide Perform operations on spatial data that is
stored in grids, and display, analyze, and
export digital elevation models (DEM) and
other grid-based data.
Data Manager User Guide Learn how to configure and use the Data
Manager.
The Data Manager enables users to work
with centralized PlanetEVdata stored in an
Oracle or Microsoft SQL database.
Installation Guide Install Wireless Network Planning software.
CRC-Predict Technical Note Understand the CRC-Predict propagation
model.
Planet General Model
Technical Note
Understand the Planet General model and
learn more about the parameters of the
model.
Glossary Search for commonly used technical terms.
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Notational conventions
This section describes the textual conventions and icons used throughout this
documentation.Textual conventions
Special text formats are used to highlight different types of information. The
following table describes the special text conventions used in this document.
Release Note Learn about new features and known issues
with the current release of software.
MapInfo Professional Users
Guide
Learn about the many features of MapInfo
Professional, as well as basic and advancedmapping concepts.
Planet EV Modules
GSM User Guide Plan and analyze GSM networks.
This guide is only available if you have
installed the GSM module.
cdma2000 User Guide Plan and analyze CDMA networks.
This guide is only available if you haveinstalled the cdma2000 module.
Fixed Wireless User Guide Plan and analyze fixed wireless networks.
This guide is only available if you have
installed the Fixed Wireless module.
bold text Bold text is used in procedure steps to identify a user
interface element such as a dialog box, menu item, or
button.
For example:
In the Select Interpolation Method dialog box,choose the Inverse Distance Weighting option, and
clickNext.
courier text Courier text is used in procedures to identify text that
you must type.
For example:
In the File Name field, type Elevation.grd.
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Icons
Throughout this documentation, icons are used to identify text that requires
special attention.
bright blue text Bright blue text is used to identify a link to another
section of the document. Click the link to view the
section.
Menu arrows are used in procedures to identify asequence of menu items that you must follow.
For example, if a step reads Choose FileOpen,
you would click File and then click Open.
< > Angle brackets are used to identify variables.
For example, if a menu item changes depending on the
chosen unit of measurement, the menu structure
would appear as Display .
This icon identifies a workflow summary, which explains a
series of actions that you will need to carry out in the specified
order to complete a complex task.
This icon identifies a cautionary statement, which contains
information required to avoid potential loss of data, time, or
resources.
This icon identifies a tip, which contains shortcut information,
alternative ways of performing a task, or methods that save
time or resources.
This icon identifies a note, which highlights important
information or provides information that is useful but not
essential.
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Organization of this user guide
This user guide is organized according to the workflow that you would
typically follow to plan and analyze a network. Each chapter in this guide
provides details about how to perform a step in the planning process.Before you begin, you should read the Understanding... sections in each
chapter for an overview of the planning process.
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Chapter 1: Overview of the GSM Module
1.Overview of the GSM
Module
This chapter contains the
following sections:
Workflow for GSM planning Suggested reading
The GSM module extends the functionality of
PlanetEVby enabling you to configure and plan that
contain GSM and some other TDMA and FDMA
technologies.
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Chapter 1GSM User Guide
Overview of supported technologies
The PlanetEVGSM module supports networks containing any combination
of the following technologies:
GSMGlobal System for Mobile Communications (GSM), anopen, non-proprietary Time Division Multiple Access (TDMA)
system that is constantly evolving. One of its great strengths is
international roaming capability, which provides seamless and
standardized same number contact ability in more than 170
countries. GSM support includes GPRS and EGPRS
IS-136a widely-used TDMA technology. Many IS-136
networks are being upgraded to support GSM
AMPS and NAMPSanalog Frequency Division Multiple
Access (FDMA) technologies
iDENa Motorola proprietary TDMA technology
user-definedalmost any FDMA or TDMA technology that is
not explicitly supported in the GSM module
You can purchase optional extensions to the GSM module. If you have
purchased the Automatic Frequency Planning Tool, you can perform
automatic frequency planning. If you have purchased the Quality of Service
(QoS) Analyzer, you can perform QoS analysis for your network. This
manual includes information for these optional tools.
Workflow for GSM planning
The workflow outlined in this section shows the typical order of steps only.
Depending on your work practices, you may not complete the steps in the
same order.
If you have an existing Planet 2.8 or Planet DMS project, and you want
to import the information for use with the GSM module in Planet EV,
see Chapter 3: Importing Planet 2.8 or Planet DMS Data on page 27.
Step 1 Create a project. See Chapter 2: Creating a GSM Project onpage 21.
Step 2 Define network technologies and services. See Chapter 4:Defining Network Technologies and Services on page 45.
Step 3 Define network configuration. See Chapter 5: Defining NetworkConfiguration on page 79.
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Step 4 Configure and place sites. See Chapter 6: Configuring andPlacing Sites on page 109.
Step 5 If you want to use a traffic map to define the traffic settings for
your analysis, create a traffic map that covers the same area asyour analysis. See Chapter 9, Working with Traffic Maps, in the
Planet EV User Guide.
Step 6 Generate analysis layers. See Chapter 7: Generating andViewing Analysis Layers on page 151.
Step 7 Optionally, you can use other tools, such as the 2-Sector C/I Toolor Frequency Planning. For information about the 2-Sector C/I
Tool, see Chapter 8: Using the 2-Sector C/I Tool on page 183.
For information about Frequency Planning, see Chapter 9:Frequency Planning on page 193. Also, you can also use any
extensions you have purchased. If you have the Automatic
Frequency Planning Tool installed, see Chapter 10: Automatic
Frequency Planning on page 203. If you have the Quality of
Service (QoS) Analyzer installed, see Chapter 11: Using the
QoS Analyzer on page 219.
Suggested reading
Andersson, Christoffer. GPRS and 3G Wireless Applications. New York: JohnWiley & Sons, Inc., 2001.
Steele, Raymond & Lee, Chin-Chun & Gould, Peter. GSM, cdmaOne and 3G
Systems. Chichester: John Wiley & Sons, Inc., 2001.
Bates, Regis J. Bud.GPRS (General Packet Radio Service). New York:
McGraw-Hill, 2002.
Halonen, T. & Romero, J. & Melero, J.. GSM,GPRS and EDGE Performance.
John Wiley 2002.
Mouly, Michel & Pautet, Marie-Bernadette. The GSM System for Mobile
Communications. ISBN 2-9507190-0-7
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Chapter 2: Creating a GSM Project
2.Creating a GSM
Project
This chapter contains the
following sections:
Understanding GSM projects Workflow for creating GSM
projects
Gathering project information
Creating a GSM project
Migrating a PCS/cellular
project
Opening a GSM project
Creating a default project
settings file
When you have installed the GSM module, you are
ready to create a GSM project.
When you have created a project, you can define
network settings and carrier settings, as described in
the following chapters.
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Understanding GSM projects
A GSM project defines which elevation, clutter, and site files to use for
analyses. You need to create a project before you can define network and
carrier settings, place sites, or generate analysis layers.
Workflow for creating GSM projects
Step 1 Gather technical information to support the project. SeeGathering project information.
Step 2 Create the GSM project or open an existing GSM project.
See Creating a GSM project on page 23. See Opening a GSM project on page 25.
Gathering project information
Before you create a GSM project, it is recommended that you
have technical information about site locations and sectors
collect manufacturers electronic antenna patterns
obtain a numeric elevation grid (.grd) file or, if possible, a
30-meter digital elevation map (DEM)
optionally, obtain clutter files for the analysis
If required, you can convert survey data into MapInfo tables. For information
on converting survey data, see Chapter 6, Working with Surveys, in thePlanet EV User Guide.
The results of network analyses will be more accurate and complete if you
start with as much information as possible. At a minimum, you must supply a
numeric elevation grid (.grd) file that shows the elevation of the terrain for
your project.
It is recommended that project areas be no larger than
250 km x 250 km (approximately 150 miles x 150 miles) to avoid using
excessive hard disk space.
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Creating a GSM project
You have two options for creating a project:
use the Project Wizard
use the Project Settings dialog box to create a project manually
The following sections explain how to create a project. For more information
on working with projects, see Chapter 1, Getting Started with PlanetEV, in
thePlanet EV User Guide.
To create a GSM project using the Project Wizard
1 Start PlanetEV.
By default, the Project Wizard opens when you start PlanetEV. To use the
wizard at any other time, choose File New Project Using Wizard.
2 ClickNext on the first page of the Project Wizard.
3 From the Project Type list, choose GSM and clickNext.
4 In the GSM dialog box, choose a default settings file and clickOK.
5 Follow the pages of the Project Wizard and supply the appropriate
information to create your project.
6 ClickFinish.
7 In the Project Settings dialog box, clickOKto save your GSM project.
8 In the Save Project As dialog box, type a file name and clickSave.
To create a GSM project manually
Instead of using the Project Wizard to create a project, you can bypass the
wizard and define project files and folder locations in the Project Settings
dialog box.
1 Choose FileNew Project.
2 In the Select Project Type dialog box, choose GSM and clickOK.
3 To specify a project folder, clickBrowse next to the Project Folder box,navigate to the folder that you want to use, and clickOK.
You can also click Create to create a new folder.
4 To specify an elevation file, clickBrowse next to the Elevation Grid Filebox, navigate to the file that you want to use, and clickOpen.
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5 If you want to specify a clutter file, enable the Use Clutter Grid Filecheck box, clickBrowse next to the Clutter Grid File box, navigate to
the file that you want to use and clickOpen.
6 ClickBrowse next to the Site Table box and do one of the following inthe Select Site Table dialog box:
To create a new site table, choose , clickOK, and
then, when prompted, clickYes orNo to identify the coordinate
system that you want the site table to use. In the New MapInfo
Table dialog box, type a name for the new site table and click
Save.
To load an existing table, choose the table from the list and click
OK, or clickOpen Table, navigate to the required site table, and
clickOpen. If the site table has not been modified to reflect thesite structure of PlanetEV, new columns are added to the
existing table.
7 If you have a previously saved workspace (.wor) file that displays thefiles that you just specified, enable the Use Workspace check box, click
Browse next to the Workspace box, navi gate to the file that you want to
use and clickOpen.
For more information about workspaces, see Creating and using
workspaces in Chapter 1, Getting Started With PlanetEV, in the
Planet EV User Guide.8 Click one of the following buttons:
OKsaves the new project. In the Save Project As dialog box,
type a File Name and clickOK.
Save Project Assaves the existing project with new settings
The Project Explorer opens, docked at the left edge of the screen. For
details about the Project Explorer, see Chapter 1, Getting Started with
Planet EV, in thePlanet EV User Guide.
To open the Project Settings dialog box once a project is open, choose
Analysis Project Settings or right-click on the Map window and
choose Planet EV Project Settings. To open the Project Settings dialog box
from the Project Wizard, click Project Settings on the first page of the wizard.
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Migrating a PCS/cellular project
If you created a project using the cellular project type available in deciBel
Planner, you can upgrade the project for use with the GSM module. To
upgrade the project, contact your local Technical Assistance Center (TAC).For information on contacting a TAC, see Contacting Marconi onpage 5.
Opening a GSM project
You can open only one project at a time. Only projects that you have recently
worked with appear in the Open Planet EV Project dialog box.
To open a GSM project
1 Choose FileOpenProject.2 If you want to see the paths in the Most Recently Used Projects list,
enable the Show Path check box.
3 In the Open Planet EV Project dialog box, do one of the following:
Choose a project from the Projects list and clickOpen.
ClickBrowse, navigate to the project that you want to open, and
then clickOpen.
Creating a default project settings fileWhen you create a project using the Project Wizard, you are prompted to
choose a default settings (.gsm) file. You can create a custom default settings
file to add to the list of default settings files provided with the GSM module.
A default settings file contains default GSM network, sector, and analysis
settings. When you open a project, the values contained in the GSM settings
file are loaded in the GSM Network Settings dialog box, the GSM Sector
Settings dialog box, and the GSM Analysis Settings dialog box.
Before you create a default settings file, you must first define the network,sector, and analysis settings. You must then export the network settings to a
network settings (.gns) file, and export the GSM sector settings to a sector
settings (.gss) file. For more information, see the following sections:
To define custom network settings, see Chapter 4: Defining
Network Technologies and Services onpage 45. To export the
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settings to a network settings (.gns) file, see To export a GSM
network settings file onpage 76.
To define custom GSM sector settings, see Chapter 6:
Configuring and Placing Sites onpage 109. To export thesettings to a sector settings (.gss) file, see Saving GSM sector
settings onpage 142.
To define custom analysis settings, see Defining default
analysis settings and analysis layers onpage 160. An analysis
settings (.nas) file is created automatically.
To create a default project settings file
1 Copy your exported network settings (.gns) file and GSM sector settings
(.gss) file to the Planet EV\Global\GSM\DefaultSets folder.2 Copy the DefaultAnalysisSettings.nas file from the folder of the project
where you defined your default network analysis settings to the
Planet EV\Global\GSM\DefaultSets folder.
3 In the Planet EV\Global\GSM\DefaultSets folder, copy any one of theexisting default project settings (.gsm) files and rename it.
You must retain the .gsm extension. This will become the new default
project settings file.
4 Open Notepad or any other ASCII text editor.5 Open the new default project settings file, and edit the parameters to refer
to your settings files. For example,
[Network Settings]
Default Settings File=myNetworkSettings.gns
[Sector Settings]
Default Settings File=mySectorSettings.gss
[Analysis Settings]
Default Settings File=DefaultAnalysisSettings.nas
6 Save the file.
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Chapter 3: Importing Planet 2.8 or PlanetDMSData
3.Importing Planet 2.8
or Planet DMSData
This chapter contains the
following sections:
Workflow for importing Planet2.8 or Planet DMS data
Determining the location and
version of the data
Creating a PCAE project
Opening a PCAE project
Understanding the PCAE
Project window
Converting Planet 2.8 or
Planet DMS files
Understanding the converted
files
Viewing Planet 2.8 or Planet
DMS files
Viewing with multiple Map
windows
Saving the project as a Planet
EV project
Closing a PCAE project
Defining and importing GSM-
specific settings
If you have a Planet 2.8 or PlanetDMSproject that
uses AMPS/TACS, GSM/TDMA, or IS-136
technology, you can use the Planet Coverage
Analysis Extensions (PCAE) to convert the data for
use with the GSM module. This chapter describes the
steps required.
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Understanding PCAE
The Planet Coverage Analysis Extension (PCAE) tool enables you to convert
Planet files to PCAE format. You can then display or manipulate the files.
When you open a Planet project, PCAE displays the Planet files in an easy-to-use tree view. You can convert files individually or as a batch by selecting
them in the PCAE window. Optionally, you can save the converted files as a
PlanetEVproject.
This chapter explains how to use PCAE to convert files, view files, and save
files as a PlanetEVproject. PCAE has additional capabilities. For more
information on working with PCAE, see Chapter 2, Working with Planet 2.8
or PlanetDMSData, in thePlanet EV User Guide.
Workflow for importing Planet 2.8 or Planet DMS dataStep 1 Determine the location and version of Planet 2.8 or Planet DMS
data. See Determining the location and version of the data on
page 29.
Step 2 Create a PCAE project. See Creating a PCAE project onpage 29.
Step 3 Open the PCAE project. See Opening a PCAE project on
page 32.
Step 4 Convert and view files. See Converting Planet 2.8 or PlanetDMS files on page 35 and Viewing Planet 2.8 or Planet DMS
files on page 38.
Step 5 Save the PCAE project as a Planet EVproject. See Saving theproject as a Planet EV project on page 39.
Step 6 Close the PCAE project. See Closing a PCAE project on
page 40.
Step 7 Define and import GSM-specific settings. See Defining andimporting GSM-specific settings on page 41.
Step 8 If required, import a frequency plan from Planet 2.8 orDMS. SeeChapter 9: Frequency Planning on page 193.
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Determining the location and version of the data
The Planet Coverage Analysis Extension (PCAE) tool converts data stored in
Planet 2.8 for Windows NT or Solaris
PlanetDMS3.1 for Windows 2000 or Solaris
PlanetDMS3.2 for Solaris
Solaris computers must have an active FTP server. PCAE uses FTP to access
the Planet 2.8 or PlanetDMSdata.
To create a project from PlanetDMSdata, you must connect to an Oracle
database to retrieve some of the data. Your computer must have a compatible
version of the Oracle client software installed. This is not provided with
PlanetEV. The Oracle client software must be configured to connect to the
Oracle database containing the PlanetDMSdata before you attempt to accessthe data.
Creating a PCAE project
The PCAE Project Wizard guides you through the process of creating a PCAE
project.
To create a PCAE project from Planet 2.8 data
1 Choose ToolsPlanetImport Project [PCAE]New Project.
The PCAE Project Wizard opens.
2 Choose the Planet 2.8 option and clickNext.
3 Choose the Windows NetworkorUNIX Machine option thatcorresponds to the type of computer on which the Planet definition (.def
or _def) file resides and clickNext.
4 If you chose the UNIX Machine option in the preceding step, type yourlogin information in the dialog box and clickNext.
5 ClickBrowse, locate the Planet definition (.def or _def) file and thenclickOpen.
6 ClickNext.
7 In the PCAE Project box, type a name for the PCAE project, or acceptthe default.
The name you type must not contain any of the following characters:
: / * ? " < > |
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8 ClickNext.
The PCAE Project Wizard displays the name of the root data directory
($PLANET_DATA) as defined in the Planet definition file. The files
associated with the project should be contained in this folder or itssubfolders.
9 Do one of the following:
If the displayed $PLANET_DATA directory is correct, choose
the Yes option, and clickNext.
If the displayed $PLANET_DATA directory is not correct,
choose the No option, clickNext, navigate to the correct
directory and clickOK.
You are asked whether you want to verify the data paths specified in theproject definition file. If you choose to do this, PCAE checks that the
specified paths exist. It does not check the validity of the data.
10 Do one of the following:
To verify the data paths, choose the Yes option, and clickNext.
To proceed without verification, choose the No option, and click
Next.
If you choose Yes, the Project Editor opens. For information about this
tool, see Using the Project Editor, in Chapter 2, Working withPlanet 2.8 or PlanetDMSData, in thePlanet EV User Guide. When you
finish using the editor, close it and continue with the steps that follow.
11 Do one of the following:
To open the new PCAE project immediately, choose the Yes
option, clickFinish, specify a folder to store your converted
files, and clickOK.
To close PCAE without opening the project, choose the No
option and clickFinish.
To create a PCAE project from Planet DMS data
1 Choose ToolsPlanetImport Project [PCAE]New Project.
The PCAE Project Wizard opens.
2 Choose the Planet DMS option and clickNext.
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3 In the Oracle Login dialog box, enter your login information and clickOK.
A list of available workspaces is displayed.
Planet workspaces marked with a red X are closed to modification, but
they are available for PCAE to read and convert.
4 Choose your Planet workspace and clickNext.
5 Choose the Windows NetworkorUNIX Machine option thatcorresponds to the type of computer on which the Planet definition (.def
or _def) file resides, and clickNext.
6 If you chose the UNIX Machine option in the preceding step, type your
login information in the dialog box and clickNext.
7 ClickBrowse, locate the Planet definition (.def or _def) file and clickOpen.
8 ClickNext.
9 In the PCAE Project box, type a name for the PCAE project and clickNext.
The PCAE Project Wizard displays the name of the root data directory
($PLANET_DATA) as defined in the Planet definition file. The files
associated with the project should be contained in this directory or its
subdirectories.
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10 Do one of the following:
If the displayed $PLANET_DATA directory is correct, choose
the Yes option, and clickNext.
If the displayed $PLANET_DATA directory is not correct,choose the No option, clickNext, navigate to the correct
directory and clickOK.
You are asked whether you want to verify the data paths specified in the
project definition file. If you choose to do this, PCAE checks that the
specified paths exist. It does not check the validity of the data.
11 Do one of the following:
To verify the data paths, choose the Yes option, and clickNext.
To proceed without verification, choose the No option, and clickNext.
If you choose Yes, the Project Editor opens. For information about this
tool, see Using the Project Editor,in Chapter 2, Working with
Planet 2.8 or PlanetDMSData, in thePlanet EV User Guide. When you
finish using the editor, close it and continue with the steps that follow.
12 Do one of the following:
To open the new PCAE project immediately, choose the Yes
option, clickFinish, specify a folder to store your convertedfiles, and clickOK.
To close PCAE without opening the project, choose the No
option and clickFinish.
Opening a PCAE project
You can open a PCAE project to convert and view the Planet files that it
contains. The directory structure of the Planet 2.8 or PlanetDMSfiles is
maintained in the PCAE output folder.
You must have read permission to convert any files that reside on a
network.
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To open a PCAE project
1 Choose ToolsPlanetImport Project [PCAE]Open Project.
The Open PCAE Project dialog box opens. The projects are listed in a tree
view. You can expand a project to view information about it.
2 In the Open PCAE Project dialog box, choose a project, and clickOpen.
3 If the Select Output Folderdialog box opens, navigate to the folder
where you want to save your converted files, and clickOK.
The Project window opens. You are ready to convert and view Planet
files.
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Understanding the PCAE Project window
PCAE provides a Project window from which you can convert and view
Planet files.
The Project Files tree view presents the Planet project files as a hierarchy,
much like the Project Explorer.
Working with the tree view
The tree view makes the large number of files in a Planet 2.8 or PlanetDMS
project more manageable by organizing them into branches that can beexpanded and collapsed.
This monochrome icon indicates that the file has not been converted from
Planet 2.8 or PlanetDMSformat. Conversion occurs automatically the first
time you enable the check box beside the file name.
This color icon indicates that the file has been converted to PCAE format.
The Select Output Folder dialog box opens only the first time you open
a PCAE project. If you want to change the output folder later, chooseTools Planet Import Project [PCAE] Change Output Folder.
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This icon indicates that there was an error during file conversion.
When Display mode is selected, enabling the check box next to a file name
selects the file for immediate display. PCAE converts the file if necessary.
When Batch mode is selected, enabling a check box selects the file for batch
conversion. PCAE converts the selected files when you click Convert, but it
does not display the converted files.
Understanding the tree view hierarchy
The PCAE tree view organizes Planet 2.8 or PlanetDMSproject files into the
following main branches:
Converting Planet 2.8 or Planet DMS files
Site, antenna, and model files are converted automatically when you create
the project. For other files, conversion occurs the first time you enable the
check box beside a file name in the tree view. The converted file is stored in
the location you specified in the Select Output Folderdialog box.
To convert Planet 2.8 or Planet DMS files individually
1 Choose ToolsPlanetImport Project [PCAE]Open Project.
2 In the Open PCAE Project dialog box, choose a PCAE project and click
Open.
Network the site table, equipment information, and
service information
Mapping geographical information including Digital
Elevation Model (DEM), clutter, vector, and
user-defined vector files
Analysis surveys, traffic files, and coverage arrays
Each time you open a project, PCAE determines whether any of the
Planet 2.8 or Planet DMS files have been updated since they were
converted. PCAE removes out-of-date converted files, marking the file name
with the monochrome icon in the Project window tree view. You can enable
the check boxes beside the file names to convert the files again. PCAE cannot
determine whether data stored in a Planet DMS database has been updated.
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3 In the Projectwindow, enable the check box of the file that you want toconvert.
If the file is a height or clutter file that contains non-contiguous tiles, you
have the option of using the Tile Tool. For information about the TileTool, see Using the PCAE Tile Tool, in Chapter 2, Working with
Planet 2.8 or PlanetDMSData, in thePlanet EV User Guide.
If the file is a vector file and you have not converted any vector files in
this project before, the Vector Color Profile dialog box opens. You use
this dialog box to define the colors used in Map windows for the various
types of vector information. Similarly, the User Vector Color Profile
dialog box opens when you perform the first conversion of a user vector
file in a project. For information about using these dialog boxes, see To
set vector color profiles onpage 37.
PCAE converts the file and displays it in a Map window.
To convert Planet 2.8 or Planet DMS files as a batch
If you want to convert a large number of files, using batch mode is more
efficient than converting files individually.
1 Choose ToolsPlanetImport Project [PCAE]Open Project.
2 In the Open PCAE Project dialog box, choose a PCAE project and click
Open.
3 In the Projectwindow, in the Mode section, choose the Batchoption.
4 Enable the check box of each file that you want to convert and click
Convert in the Modesection.
You can select all of the files in a node such as Height or Vector by
enabling the check box at the node name.
5 In theConfirm dialog box, clickYes.
If you have not previously converted any vector files for this project, the
Vector Color Profile dialog box opens. Similarly, if you have notpreviously converted user vector files in this project, the User Vector
Color Profiledialog box opens. You use these dialog boxes to define the
colors used in Map windows for the various types of vector information.
For information about using these dialog boxes, see To set vector color
profiles onpage 37.
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6 In the Information dialog box, clickOK.
The check boxes you enabled in Batch mode are now cleared. You can
select files for viewing by enabling their check boxes.
To set vector color profiles
If you are converting a vector or user vector file for the first time, the Vector
Color Profile dialog box opens. You can use this dialog box to define the
colors used in Map windows for the various types of vector information.
In the Vector Color Profile dialog box, do one of the following:
To accept the default color scheme, clickOKto close the Vector
Color Profile dialog box. To change a color, double-click it and define the color you want
using the Windows Color dialog box.
Understanding the converted files
There are some differences between PCAE files and the original Planet 2.8 or
PlanetDMSfiles.
Height and clutter files
Multiple resolutions
Many Planet 2.8 and PlanetDMSprojects contain height and clutter data
layers in multiple resolutions. Typically, a low-resolution layer covers the
entire project area, and higher resolution layers provide detailed views of
smaller areas within the project area. By default, PCAE creates one grid for
each resolution, each large enough to cover the entire project area. You can
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use the PCAE Tile Tool to create user-defined grids, each of which contain a
subset of the available data at a specific resolution.
Planet user edits
PCAE places Planet user-created height or clutter areas in a User node underthe Height node. User-defined grids created with the PCAE Tile Tool appear
in the Height node.
Vector attributes
Some vector files have an associated attribute file. For example, the attribute
file might contain the heights of buildings. If an attribute file is available, it is
automatically included in the conversion.
Survey data filesPCAE converts radio survey measurement data to a MapInfo point table. If
the site table is available, PCAE also creates a MapInfo point table that stores
metadata about each survey, such as the sector that was used. You can find the
metadata table in the same folder as the converted site table. It has the same
name as the site table file, with _survey appended. For information about
viewing this file, see Viewing information about surveys in Chapter 2,
Working with Planet 2.8 or PlanetDMSData, in thePlanet EV User Guide.
Viewing Planet 2.8 or Planet DMS filesAs described in Understanding the PCAE Project window onpage 34, you
can view any file by enabling its check box in the PCAE Project window. This
capability is useful for viewing Planet analysis files, which are not included
when you save your converted Planet project as a PlanetEVproject.
When you display a file using PCAE, a new Map window opens if necessary;
otherwise, the file is displayed in the currently active Map window.
To view a file using the PCAE Project window
1 Choose Tools PlanetImport Project [PCAE] Open Project.
2 In the Open PCAE Project dialog box, choose a project, and clickOpen.
3 In the Projectwindow,enable the check box beside the file you want toview.
When the file is displayed in a Map window, you can display or manipulate it
in PlanetEVin the same way as other files of its type.
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Viewing with multiple Map windows
You can create multiple maps with different layers for comparison.
To work with multiple Map windows1 Choose Tools PlanetImport Project [PCAE] Open Project.
2 In the Open PCAE Project dialog box, choose a project, and clickOpen.
3 In the Projectwindow, enable the tree view check boxes for the files youwant to display.
4 Do any of the following:
To create a duplicate of the current Map window, in the Project
window, clickClone.
To make a Map window active, click anywhere inside it.
To change the display in the active Map window, in the Project
window, enable or clear tree view check boxes.
5 Close the Project window.
Saving the project as a Planet EVproject
You can save your PCAE project as a PlanetEVproject. Only the site table,
flags, DEMs, clutter, antenna, and model files (Planet General Model only)are saved in the PlanetEVproject.
To save a PCAE project as a Planet EVproject
1 With a PCAE project open, choose ToolsPlanetImport Project [PCAE]Save As Planet EV Project.
The Create Planet EV Project Wizard opens.
2 Choose the elevation (height) file that you want to use, and clickNext.
A PlanetEVproject can have only one elevation file.
3 Do one of the following:
If you do not want to use a clutter file, enable the
Do Not Use Clutter check box.
Choose the clutter file you want to use.
A PlanetEVproject can have only one clutter file.
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4 ClickNext.
5 In the Directory tree view, choose the folder where you want to save the
PlanetEVproject, and clickNext.
6 In the Project Name box, type a name for the project, and clickFinish.
The PCAE project is saved as a GSM project in PlanetEV.
Differences between PCAE and Planet EVfiles
The data converted to PlanetEVformat differs from the original PCAE data
as follows.
Site names
The underscore (_) character replaces any of these characters:
\ / : ? * < > | ( ) @ Site names that would become duplicates because PlanetEVis
not case-sensitive are modified by adding an underscore and a
sequential number. For example, if there are sites named
Site_A and Site_a, Site_a is renamed Site_a_2.
Planet EVsite table columns
During translation to PlanetEVformat, columns required by PlanetEVare
added to the site table, and columns that are not needed are removed. Some
columns are renamed from the Planet name to the PlanetEVname.
Antenna Tilt values
Tilt values are positive for uptilt, negative for downtilt. This is the opposite of
the values in Planet and PCAE.
Closing a PCAE project
Closing a project closes all of the project files you have open.
To close a PCAE project
Choose ToolsPlanetImport Project [PCAE]
Close Project.
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Defining and importing GSM-specific settings
When you save the PCAE project as a PlanetEVproject, you need to define
settings for technologies, bands, and carriers. When you define these settings,
you can import settings for carrier groups, carrier types, and hopsets, whichare known as mobile allocation lists (MAL) in the GSM module.
The GSM-specific settings that you define must be the same as in the original
PlanetDMSproject.
To define technologies, bands, and carriers
1 To open the project, choose FileOpen Project.
2 ClickBrowse and navigate to the folder where you saved the PlanetEVproject.
You specified this folder when you saved the project, as described in
Saving the project as a Planet EV project onpage 39.
3 Choose the project (.dbp) file and clickOpen.
4 Choose AnalysisNetwork Settings.
5 On the Network Technologies panel, choose the technologies that areappropriate for the imported project:
GSM
IS-136
AMPS
For information on how to choose technologies, see To choose
technologies onpage 54.
6 Create bands for the project.
Bands are used to allocate spectrum for each technology in your project.
You must allocate spectrum the same way it is allocated in the original
PlanetDMSproject. For information on how to create bands, see To
define frequency ranges and starting carrier numbers onpage 83.
7 Define carriers for the project.
The carriers must be the same as the carriers in the original PlanetDMS
project. For information on how to create carriers, see To create carriers
onpage 85.
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To import carrier groups, carrier types, and MALs
After you define technologies, bands, and carriers, you can import carrier
groups, carrier types, or MALs from your Planet 2.8 or PlanetDMSproject.
This procedure is optional.1 Choose AnalysisNetwork Settings.
2 In the GSM Network Settings dialog box, choose Configuration in thetree view.
3 On the GSM Network Settings: Configuration panel, in the Import
Planet Project Files section, choose the technology that you want to
import information for from the Technology list.
4 ClickValidate Carriers.
5 In the Open Carrier Name File dialog box, navigate to the .names filethat contains the carrier configuration from the original PlanetDMS
project, and clickOpen.
The .names file is stored in a folder called ImportGSMdata that was
created when you saved your PCAE project as a PlanetEVproject.
The configuration that you defined in To define technologies, bands, and
carriers onpage 41 is checked against the .names file. Results are
displayed in the Results box. If there are discrepancies, you must modify
the configuration that you defined and try again to validate the carriers.
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6 From the File Type list, choose one of the following options:
Carrier group
Carrier type
Hopset
7 ClickImport.
8 In the Open window, navigate to the file that you want to import, and
clickOpen.
Depending on the type of file that you chose in Step 6, you are prompted
to open a .groups file, a .types file, or a .hopset file.
These files are stored in a folder called ImportGSMdata that was created
when you saved your PCAE project as a PlanetEVproject.
9 ClickOK.
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Chapter 4: Defining Network Technologies and
Services
4.Defining Network
Technologies andServices
This chapter contains the
following sections:
Understanding networktechnologies and services
Workflow for defining network
technologies and services
Defining the technologies in
your network
Defining GSM settings
Defining IS-136 settings
Defining AMPS settings
Defining NAMPS settings Defining iDEN settings
Defining user-defined
technology settings
Defining data services
Exporting and importing GSM
network settings files
Network technologies and services are associated
with a project. Once you have created a project, you
can define network technologies and services for it.
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Understanding network technologies and services
The following sections explain the options that you have for defining network
technologies and services for your project.
Technology options
The Network Technologies panel enables you to define which technologies
you have in your network.
The following technology options are available:
GSMcan include GPRS and EGPRS
IS-136
AMPS
NAMPS
iDEN
user defined, such as other FDMA/TDMA technologies
For each technology, the settings that you can define are divided into the
following categories:
general
noise
HCL
For GSM only, you can also define settings for GPRS and EGPRS.
The following sections explain the contents of each category.
General
General settings consist of
carrier configuration, which includes
carrier spacing
time slots per transceiver
carrier separation between adjacent channels
interference
Carrier spacing and time slots per transceiver are fixed based on technology
type. The carrier spacing, which is the carrier spacing between adjacent
carriers in kHz, is used when you create carriers. For more information on
creating carriers, see To create carriers onpage 85.
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Carrier separation between adjacent channels enables you to create adjacent
carriers whose carrier numbers differ by more than one. For example, a carrier
separation of 1 will generate carrier numbers such as 1, 2, 3, 4, etc. A carrier
separation of 2 will generate carrier numbers such as 1, 3, 5, etc. In this case,
carriers 1 and 3 will be adjacent. This value is only used to support the carriernumbering scheme of iDEN or of a user-defined technology. iDEN uses only
odd carrier numbers (1, 3, 5, 7...), which gives it a carrier separation between
adjacent channels of 2.
The interference settings enable you to specify the minimum interference
ratios required for service. You can specify the minimum C/I (co-channel
carrier-to-interference ratio) and the minimum C/A (adjacent channel
carrier-to-interference) required for acceptable service. These values are used
to calculate the adjacent channel interference rejection factor (IRF), which is
the amount of isolation the technology filter provides to adjacent channelinterference. It is given by .
Noise
Noise settings are available on the Noise tab, and enable you to specify in
detail the effect of noise in your environment. Values calculated for Rx
sensitivity can be used when you create analysis layers. For more information
on creating analysis layers, see Chapter 7: Generating and Viewing Analysis
Layers onpage 151.
Equation 4.1 shows the calculation for Uplink Thermal Noise Floor for the
GSM module. Equation 4.2 shows the calculation for Downlink Thermal
Noise Floor for the GSM module. The sections following the equations
explain the equation elements.
Equation 4.1 Uplink Thermal Noise Floor
Equation 4.2 Downlink Thermal Noise Floor
where
is a read-only, calculated field. The Thermal Noise Floor is
the amount of noise power generated by the mobile device itself. The
temperature of the device causes the random motion of electrons in the device
that produces this noise power. It is typically referred to as the kTBF factor.
is a read-only value equal to -144 dBm/kHz. It is referred
to as the factor, where is Boltzmanns constant , and
C/Imi n C/Ami n
Thermal Noise Floor Thermal Noise Density 10log10( ) B( ) BTS Noise Figure+ +=
Thermal Noise Floor Thermal Noise Density 10log10( ) B( ) Mobile Noise Figure+ +=
Thermal Noise Floor
Thermal Noise Density
kT k k 1.38 1023
J/K=
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is the ambient temperature in Kelvin, which is assumed to be 290K.
Equation 4.3 shows the calculation for Thermal Noise Density.
Equation 4.3 Thermal Noise Density calculation
is the Noise Equivalent Bandwidth in kHz. For digital technologies this
value is equal to the technologys channel symbol rate. This value is used to
calculate the thermal noise density for both downlink and uplink. You can
type a value in this box specific to your network.
is the thermal noise for the base transceiver station (BTS) in
dB. You can type a value in this box specific to your network.
is the noise figure for the mobile device in dB. You can
type a value in this box specific to your network.
For example, for a GSM uplink, assuming B=200 kHz and BTS Noise
Figure=5 dB (typical noise figure for the BTS), the equation for Uplink
Thermal Noise Floor is:
Equation 4.4 Uplink Thermal Noise Floor calculation
For a GSM downlink, assuming B=200 kHz and Mobile Noise Figure=8 dB
(typical noise figure for the mobile), the equation for Downlink Thermal
Noise Floor is:
Equation 4.5 Downlink Thermal Noise Floor calculation
The Thermal Noise Floor and the Required C/N are used to calculate the Rx
Sensitivity, as shown in Equation 4.6and Equation 4.7.
T
Thermal Noise Density 10log10= kT( ) 10log10 1.38 1023
J K 290K ( )=
= 10log10( ) 4 10 21 W/Hz( )
-204 dBW/Hz -174 dBm/Hz -144 dBm/kHz===
B
BTS Noise Figure
Mobile Noise Figure
Uplink Thermal Noise Floor Thermal Noise Density 10log10 B( ) BTS Noise Figure+ +=
= 144 dBm/kHz 10log10 200( ) 5+ += 116 dBm
Downlink Thermal Noise Floor Thermal Noise Density 10log10 B( ) Mobile NF+ +=
= 144 dBm/kHz 10log10 200( ) 8+ +
= 113 dBm
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Equation 4.6 Uplink Rx Sensitivity
Equation 4.7 Downlink Rx Sensitivity
where
is a read-only, calculated field that represents the minimum
signal level that the BTS needs to receive in order to provide acceptable voice
quality. It is calculated using the uplink thermal noise floor and required C/N.
For GSM technologies, the C/N definition is more complex due to the
availability of a wide range of AMR codecs and the individual C/N
requirement for each codec. In practice, it is appropriate to use a single C/N
requirement that represents a worst-case scenario. This is typically theEnhanced Full Rate (EFR), non-AMR codec that is used as a reference.
is a read-only, calculated field that represents the
minimum signal level that the mobile needs to receive in order to provide
acceptable quality. It is calculated using the downlink thermal noise floor and
required C/N.
is the thermal noise floor for the uplink. The
calculation is shown in Equation 4.1.
is the thermal noise floor for the downlink. The
calculation is shown in Equation 4.2.
is the required carrier-to-noise ratio. You can type a value in this
box specific to your network.
GPRS and EGPRS
If you enable GPRS or EGPRS as part of your network, you must define the
minimum required C/I for each GPRS or EGPRS coding scheme, or accept
the defaults. Default values are provided based on the frequency hopping
TU50 mobility model at 10% Block Erasure Rate (BLER). As part of theprocess of defining and placing sites, you can specify the maximum supported
coding scheme for GPRS and EGPRS on a per-sector basis. For more
information on defining and placing sites, see Chapter 6: Configuring and
Placing Sites onpage 109. Coding schemes are used when you create service
coverage analysis layers. For more information, see Service coverage on
page 158.
Uplink Rx Sensitivity Uplink Thermal Noise Floor Required C/N+=
Downlink Rx Sensitivity Downlink Thermal Noise Floor Required C/N+=
Uplink Rx Sensitivity
Downlink Rx Sensitivity
Uplink Thermal Noise Floor
Downlink Thermal Noise Floor
Required C/N
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Coding schemes determine the data rate of a particular data channel. The data
rate of a data channel is directly affected by the amount of error correction
applied to the transmitted data. The greater the error correction, the lower the
data rate, and vice-versa.
It is important to note that the data rate represents the channel performance
and not the perceived performance from an end-user. Since all mobile users
share a certain amount of time slots available for packet transmission, the user
data rate is highly influenced by the loading of the serving cell.
The coding schemes are designed to vary depending upon the error rate
experienced on the link. For example, if there is a high amount of interference
(as indicated by a low C/I ratio), a lower data rate coding scheme is used. The
packet switched traffic calculations use these coding schemes as an input
because the coding schemes affect the resources required to support the level
and quality of traffic required.
Four coding schemes are available for GPRS, as shown in the following table.
Nine coding schemes are available for EGPRS, as shown in the following
table.
Coding
scheme
Code
rateModulation
Data rate
(kbps)
CS-4 1.0 GMSK 21.4
CS-3 0.75 GMSK 15.6
CS-2 0.66 GMSK 13.4
CS-1 0.5 GMSK 9.05
Coding
scheme
Code
rateModulation
Data rate
(kbps)
MCS-9 1.0 8-PSK 59.2
MCS-8 0.92 8-PSK 54.4
MCS-7 0.76 8-PSK 44.8
MCS-6 0.49 8-PSK 29.6
MCS-5 0.37 8-PSK 22.4
MCS-4 1.0 GMSK 17.6
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HCL settings
HCLs enable you to use information in addition to strongest received signal
strength to determine which server is the best server for a cell. You can use
HCLs for all technologies.
By enabling HCLs, you can define a priority for a cell that causes it to be
considered before or after other cells without considering whether it has astronger signal. This enables you, for example, to balance traffic by increasing
the coverage area for a server with a weaker signal and less traffic and
decreasing the coverage area for a server with a stronger signal but with more
traffic.
HCLs also enable you to manage and prioritize coverage for microcells and
macrocells in your network. For example, a microcell covering a portion of
the macrocell area may provide a weaker signal but still be the preferred
server. Therefore, the best server can be determined using criteria other than
only signal strength. For example, a microcell can have a priority=1, the
macrocell a priority=2 as long as the signal strength is > -75 dBm. Therefore,
if the signal strength > -75 dBm, the microcell is the best server regardless of
the macrocells signal.
You enable and define HCL settings at the netwo