Atoll GSM/GPRS/EDGE module provides a comprehensive and accurate modelling of voice and data services, including full support of HCS and frequency hopping.


Atoll supports integrated network planning for 3GPP (GSM/UMTS/LTE/NB-IoT) and 3GPP2 (CDMA/LTE/NB-IoT) multi-RAT networks. It features a multi-technology network database, a unified traffic model, a combined Monte Carlo simulator, and a multi-RAT ACP (Automatic Cell Planning) module. Atoll provides operators with a comprehensive and evolutionary framework for planning and optimising multi-technology networks including small cells, integrated Wi-Fi, and IoT.

Network Modelling

  • Support for multiple frequency bands
  • Network layer (HCS - Hierarchical Cell Structure) modelling
  • Support for dual-band cells
  • Support for frequency hopping (baseband & synthesised) and DTX
  • Modelling of AMR codecs, GPRS, EDGE, and EDGE Evolution
  • Advanced service modelling
  • Access to live network KPIs and UE/MDT traces

Traffic Modelling

  • Modelling of voice and data services
  • Modelling of 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

Service Planning and Analysis

Advanced GSM/GPRS/EDGE simulator including power control and RRM

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

  • Downlink and uplink coverage analyses
  • HR/FR/EFR/AMR codec-based voice service areas
  • GPRS/EDGE/EDGE Ev olution coding schemes and throughputs
  • Interference analysis
  • QoS analysis

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

Neighbour Planning

  • Manual and automatic neighbour planning and handover analysis
  • Hybrid neighbour allocation process based on predictions and live network data

Network Dimensioning

  • Traffic distribution among cell layers and traffic overflow modelling
  • Cell dimensioning for mixed voice/data traffic and timeslot configurations
  • Traffic analysis including calculation of KPIs such as packet delay, blocking rate, etc.

Interference Matrices

  • Prediction-based and measurement-based interference matrices
  • Import of interference matrices from the OSS using vendor-specific formats
  • Quality thresholds by TRX type (e.g., BCCH, TCH)
  • Open format allowing editing interference matrices using 3rd party applications

Multi-RAT Network Planning

Integrated planning and optimisation for 3GPP (GSM/UMTS/LTE) technologies:

  • 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

Automatic Frequency Planning - AFP (option)

  • User-definable constraints and flexible cost function
  • Allocation of frequency hopping parameters (HSN, MAIO, MAL)
  • Combined automatic/interactive frequency planning
  • Intelligent combination of interference matrices from various sources
  • Intermodulation interference reduction

Automatic Cell Planning - ACP (option)

  • Automatic optimisation of 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/MDT traces
  • Advanced radio coverage, quality, and capacity objectives
  • Antenna selection and parameter optimization (height, azimuth & tilt)

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

 

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