//Constraints, Automatic planning, Multi-layer planning
//Tunning, Live measurement data, Correlation, SON check
//Statistics, Monte-Carlo, Frequency sharing
//More than 30 propagation models
Diffraction, Reflections, Dual path, Ducting, Troposcattering, Climate, Clutter properties, Rain, Subpath, Absorption, Refraction... Full 3D model
High flexibility of the tool:
Exclusive and advanced optimization algorithms:
ATDI is constantly focuses on the innovation of their optimization algorithms. Most of the proposed algorithms are unique and take into account the constraints of computing time and expectations of optimization objectives. ATDI constantly focuses on the innovation of their solutions. Most of the proposed optimization algorithms are unique and takes into account the constraints of computing time, the expectations of optimization objectives in order to computes realistic results. ATDI has a long experience about the reconfiguration networks and the QoS requirements. A typical example is the algorithm used for the “Son optimization” feature in charge to improve RSRP best server and SNIR levels. This module unlike those offered by other tools ensures optimization without QoS degradation and with acceptable time duration.
Pioneer in the cellular (2G/3G/4G) fields strength exposures analysis and network reconfiguration:
The ATDI’s work focus on the cellular network tuning and reconfiguration (COPIC study)
In 2009 ATDI has been chosen for the “world first” technical study (in France) to evaluate the changes to the live network in order to meet an exposure given threshold (in this case 0.6 V / m) while retaining the original coverage and QoS. This study was a “world first” technical study since it combines field measurements and modeling of 2G, 3G/HSDPA and 4G cellular networks in more than 14 French cities including all the national French mobile operators (ORANGE, SFR, BOUYGUES TELECOM and FREE) that represents more than 15 000 GSM/UMTS/HSDPA cells. These study aims to provide technical recommendations to reconfigure the 2G/3G networks to assure target coverage and QoS especially in the indoor areas with a minimum of site. After this study , ATDI have developed innovate solutions to help the user to insure a new reconfiguration network.
Pioneer in the expertise of LTE /Inter-system coexistence issues
Since 2010, ATDI has been chosen by several operators and regulators over the world to evaluate the impact of the coexistence between DVB-T and LTE (UHF bands) networks .
In France, ATDI have evaluate for Bouygues Telecom Mobiles (The third mobile network operator in France) the whole french population interfered in the 786 MHz band. Several mobile network operators have awarded ATDI the refarming band study (2G and 3G) of their networks. most of those studies have been validated by field measurements and laboratory tests.
Capabilities to import various of live data measurements:
ATDI developed since twenty years their own advanced deterministic propagation models
ICS designer ATDI is the only tool to provide various LTE propagation models (without extra module or cost):
Scope: Reduce the inter site interference by reducing the RSRP pollution effects
The goal of this function is to optimize the RRSP coverage by reducing the resurgences of RSRP signals (best server coming from a far eNB and likely to create interference) and at the same time avoid RSRP degradation (or at least acceptable degradation) of the RSRP service area of the eNBs. In the end of the calculation the ACP function will compute the best eNBs’ configuration (Antenna type and/or Azimuth and/or tilt and/or Height and/or transmitted Power).
NON-RECURSIVE Algorithm used by this function:
The user must to define for each eNB the maximum cell coverage distance. This distance is used to evaluate the limit cell edge of the eNB and to determinate the coverage range to do not exceed (limit of the wanted RSRP best server area). A circle or polygon around each eNB is generated with the following assumptions
- The wanted best server areas of the eNB (in other words, all the service area of the eNB except the resurgence area). The RSRP coverage inside this area must be not degraded.
- The not desired RSRP best server area (or unwanted best server) considered as a far signal and as a resurgence area. This unwanted coverage will be the best server coverage outside the limit distance of the eNB.
The tool will compute the best configuration (Antenna type and/or Azimuth and/or tilt and/or Height and/or transmitted Power) in order to reduce the “not desired best server area” and avoiding a degradation of the wanted best server area. In final, this optimization process will allow to reduce the RSRP pollution effects and increase the global SNIR performance of the network without degradation of the existing RSRP KPI. The optimization function takes into account a “Tolerance %” criterion in order to define the maximum degradation to do not exceed inside the “optim distance”.
In the following example, ICS designer will determinate the best mechanical down tilt to apply in order to keep just the wanted RSRP best server area and remove the unwanted RSRP best server coverage:
SNIR PDSCH >= -5dB before optimization
SNIR PDSCH >= -5dB after optimization