Atoll 软件

chiqian19830508

Table of Contents
1 Executive Summary.............................................................................................................................. 4
2 LTE Network Planning Process in Atoll ............................................................................................... 5
3 3GPP LTE .............................................................................................................................................. 6
3.1 The 3GPP Standards Family ................................................................................................................ 7
3.2 OFDM, SOFDMA, and SC-FDMA: Concepts and System Parameters ................................................ 7
4 LTE Modelling in Atoll ......................................................................................................................... 11
4.1 Frequency Bands and Channel Bandwidths ....................................................................................... 12
4.2 LTE eNode-Bs ................................................................................................................................... 12
4.3 Adaptive Modulation and Coding ........................................................................................................ 14
4.4 Scheduling and Radio Resource Management ................................................................................... 14
4.5 Multiple Input Multiple Output Systems ............................................................................................... 15
4.6 Mobility Management .......................................................................................................................... 17
5 Atoll LTE Coverage Analysis Features .............................................................................................. 17
5.1 Coverage-based Analysis ................................................................................................................... 17
5.2 Interference-based Analysis ............................................................................................................... 19
5.3 Point Analysis Tool ............................................................................................................................. 20
5.4 Network Verification Using Measurement Data .................................................................................. 20
5.5 Multi-Layer 2G/3G/LTE Coverage Analysis ........................................................................................ 21
6 Atoll LTE Traffic Model and Capacity Analysis Features ................................................................. 21
6.1 Bearers .............................................................................................................................................. 22
6.2 Services ............................................................................................................................................. 23
6.3 User Equipment ................................................................................................................................. 23
6.4 User Profiles ...................................................................................................................................... 23
6.5 Traffic Data ........................................................................................................................................ 24
6.5.1 Raster, Vector, and Live Traffic Maps .............................................................................................. 24
6.5.2 Fixed Subscribers Database ............................................................................................................ 25
6.6 LTE Monte Carlo Simulations ............................................................................................................. 25
7 Atoll LTE Automatic Planning Features ............................................................................................ 27
7.1 Automatic Cell Planning ...................................................................................................................... 27
7.2 Full and Fractional Frequency Planning .............................................................................................. 28
7.3 Physical Cell ID Planning .................................................................................................................... 30
7.4 Neighbour Planning ............................................................................................................................ 30
7.5 2G/3G/LTE Inter-RAT Neighbour Planning ......................................................................................... 31
8 References .......................................................................................................................................... 31
9 Glossary of Terms ............................................................................................................................... 32