Atoll was the first LTE network planning software on the market. Today, Atoll offers mobile operators a powerful platform to plan and optimise 4G LTE and 5G NR networks.


Atoll supports integrated network planning for multi-RAT networks. It features a multi-technology network database, that allows a complete integration of combined 4G/5G network planning.

LTE Network Modelling

  • Support for all 4G LTE frequency bands and carrier configurations
  • Comprehensive support for FD- and TD-LTE
  • Support for multi-layer network deployment scenarios
  • Support for intra- and inter-band carrier aggregation
  • Support for coordinated multipoint (CoMP) transmission and reception
  • Support for donor and relay nodes
  • Support for eICIC and ICIC
  • Advanced bearer and service modelling
  • Massive MIMO: SU-MIMO, MU-MIMO, and transmit/receive diversity
  • 3D beamforming

LTE Traffic Modelling

  • Modelling of LTE voice and data services with different QCIs
  • Modelling of UE categories, user equipment, user profiles, and traffic environments
  • Multi-service raster and vector traffic demand maps from multiple sources including traffic data from live network measurements
  • Fixed subscriber traffic modelling

LTE Simulation and Analysis

Atoll advanced LTE Monte Carlo simulator including RRM power control, interference control, inter-cell coordination, aggregation, and backhaul (S1) capacity constraints allows for a detailed modelling of LTE networks.

Generation of prediction plots, based on simulation results or on cell load figures from the live network including:

  • Cell and network coverage analysis
  • Downlink and uplink interference analysis
  • Downlink and uplink service areas
  • Effective service areas
  • Downlink and uplink throughputs
  • Downlink and uplink quality indicator analyses
  • PCI, PSS ID, SSS ID, and PRACH RSI collisions
  • Coverage plots combining predicted and measured values from live network KPIs and UE/cell/MDT traces.

Coverage plots combining predicted and measured values from live network KPIs and UE/cell/MDT traces

Neighbour Planning

  • Manual and automatic multi-frequency and multi-layer neighbour planning
  • Hybrid neighbour allocation process based on predictions and live network data

Multi-RAT Network Planning

Integrated planning and optimisation for 4G LTE with 5G NR, 4G NB-IoT, 3G UMTS, and 2G GSM:

  • Unified network databases with site and antenna sharing
  • Unified multi-service traffic model
  • Combined Monte Carlo simulator
  • Simultaneous display and analysis of network layers

Inter-technology handover modelling

Inter-technology interference analysis

Atoll LTE Automatic Cell and Frequency Planning

Atoll includes automatic functions for LTE planning that allow site selection definition of transmitter parameters during the initial planning phase, as well as further parameter optimisation within live networks.

Automatic Frequency Planning - AFP (option)

  • User-definable constraints and flexible cost function
  • Hybrid allocation process based on predictions and live network data (neighbours, handover KPIs, interference matrices, etc.)
  • Allocation of frequency channels and fractional frequency planning (FFP)
  • Automatic PCI planning considering PSS, SSS, RS, UL DMRS, and PCFICH collisions
  • Automatic PRACH RSI planning

Further information about Automatic Frequency Planning (AFP) Module

Automatic Cell Planning - ACP (option)

  • Automatic optimisation of LTE network coverage and capacity
  • Site selection and activation for greenfield and densification scenarios
  • Identification of critical network zones and high-traffic areas using live network KPIs and UE/cell/MDT traces
  • Advanced radio coverage, quality, as well as capacity and throughput objectives
  • Antenna selection and parameter optimisation (height, azimuth & tilt)

Further information about Automatic Cell Planning (ACP) Module

Automatic Site Positioning - ASP (option)

  • Automatic creation of new site locations according to surface-wise, traffic-oriented and population-based coverage objectives
  • Site deployment in multiple zones (urban, suburban, rural, etc.), along roads and railways
  • Intelligent implementation plan with the selection of the best sites to deploy

Further information about Automatic Site Positioning (ASP) Module

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Atoll In-Building Module

In-building network design within the Atoll framework, providing unique indoor/outdoor network planning capabilities

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