Atoll Overview
Configuration
General Features
GSM/TDMA/GPRS/EDGE
UMTS/HSDPA
CDMA2000 1xRTT/EV-DO
TD-SCDMA
WiMAX
Microwave Links
Architecture/Atoll Developer's Toolkit

   


TD-SCDMA



Atoll TD-SCDMA has been further enhanced in version 2.7 and now includes support for MultiMedia Broadcast and Multicast Services (MBMS). This module has been developed in partnership with major players in the TD-SCDMA scene in China.

 
 


Network Modelling
  • Support for multiple carriers
• TD-SCDMA equipment modelling including RRM and capacity parameters
• Timeslot configuration modelling including switching point definition at cell level
• Advanced service modelling
• HSDPA modelling
• UpPCH Shifting modelling
• MBMS modelling
Traffic Modelling
  • Modelling of multiple circuit and packet switched services
• Modelling of user equipment, user profiles and environment types
• Multi-service traffic map generation from multiple sources: vector, raster and live traffic data
Simulation and Analysis
 

• TD-SCDMA Monte-Carlo simulator including timeslot modelling, smart antenna modelling, and Dynamic Channel Allocation (DCA) modelling
• Generation of prediction plots, based on simulations or on user-defined per-timeslot cell load figures including:
           - P-CCPCH RSCP coverage
           - DL and UL Eb/Nt coverage
           - Required power
           - Effective service areas
           - Cell-to-Cell interference
           - UpPCH interference
           - P-CCPCH pollution
           - Offered/required capacity per cell
           - DwPCH, UpPCH coverage
           - Baton handover
           - HSDPA prediction plots: CQI, RLC, MAC and
             application throughput per pixel
           - MBMS service area
• Real-time point analysis tool

Smart Antenna Modelling
 

• Switched beam modelling
• Modelling of C/I gains based on smart antenna parameters and angular spread
• Support for user-defined smart antenna parameters and algorithms
• Smart antennas considered in Monte Carlo simulations and prediction plots

Neighbour and Scrambling Code Planning
  • Manual and automatic multi-carrier neighbour planning
• Automatic scrambling code allocation supporting various allocation strategies
• Scrambling code allocation analysis tool
2G/3G Co-planning
 

• Site sharing
• Simultaneous display and analysis of 2G and 3G networks
• Inter-technology handover modelling based on advanced inter-technology neighbour allocation algorithms