Comparison of Atoll & Planet for LTE
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Transcript of Comparison of Atoll & Planet for LTE
Soc Classification level Presentation / Author / Date 1 © Nokia Siemens Networks
Comparison of Atoll & Planet for LTE Planning
Version Date Edited by Comments1.0 16.9.2009 Tao Wan First version
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Introduction
This document is trying to compare the basic capabilities between Forsk Atoll 2.8.0 and Mentum Planet 5.0 for LTE planning. Only the single PC operation is considered. The comparison is on the following based on designing a small cluster using these tools
• Network settings• MIMO handling• Perform coverage prediction studies• Perform Monte Carlo simulation
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Summary
ATOLL PLANET
Software Installation Easy and fast More difficult and take much more time
Project Setup – Create a new project
Easy Easy
Project Setup – Import an existing project
Easy Easy
Dependence on 3rd party products
No Depending on MapInfo
Learn how to use the tool
Easy More effort needed
Algorithms for the tool Available Not available
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Summary
ATOLL PLANET
FDD mode and carrier/channel definition
Easy Easy
Antenna Import More options Accept only .paf format
Propagation Model Support more types of models
Asset model is not supported yet
Exchange data with Excel
Easier, but multiple tables have to be exported one by one
More difficult, but entire project can be exported once
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Network Settings
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LTE Bearer Definition
ATOLL PLANET
All bearers are supported Bearers with bits/symber < 0.5 are not supported. The min value for bits/symbol is 0.5.
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Bearer Link Adaptation Table
ATOLL PLANETAn SINR threshold is defined for each bearer, each mobility type, each mode (SISO, SIMO, MIMO TxDiv, MIMO SM) in DL and UL.
An SINR threshold is defined for each bearer, each mobility type, each mode (SISO, SIMO, MIMO TxDiv, MIMO SM) in DL and UL.
For each bearer, the SINR threshold for BLER, BER can also be defined.
SINR threshold for BLER, BER cannot also be defined.
MIMO SM gain and TxDiv gain can be defined for each bearer
MIMO SM gain and TxDiv gain can be defined for each bearer
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Scheduler for Monte Carlo Simulation
ATOLL PLANET
More options available: each column below has multiple options
Less Flexiable: 2 options only. Scheduler “none” only allocate minimum resource to each UE
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Cell and UE Equipment
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Site/Cell Settings
ATOLL PLANET
Power Settings
RS power offset can be set;SCH & PBCH power offset can be set
RS power offset can be set
Transmitter Location
Each sector antenna can be located differently from the site location
All sector antennas must be located in the same location as the site
Tx/Rx loss Can be calculated by tool based on site configuration or entered manually
Calculated by tool based on site configuration
DL loading and UL noise rise
Can be defined for coverage prediction purpose
Can be defined for coverage prediction purpose
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Other Parameters
ATOLL PLANET
Terminal Type
Multiple UEs with different capabilities (ex. # of Tx or Rx antennas, supported bearers in UL and DL) can be defined
Multiple UEs with different capabilities (ex. # of Tx or Rx antennas, supported bearers in UL and DL) can be defined
Service Type
Service priority, traffic demand are defined for each service
Service priority, traffic demand, and QoS class are defined for each service
Subscriber Type
For each subscriber type, the used terminal, service usage are defined
For each subscriber type, the used terminal, service usage are defined
Mobility Mobility can be defined explicitly
Mobility cannot be defined explicitly, but it can be included implicitly in bearer definition
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MIMO Handling
ATOLL PLANET
Transmit Diversity
Easy to use Easy to use
Spatial Multiplexing
Easy to use Easy to use
AMS A bug exists, which will be fixed in later release
Working properly
AMS work around for NSN*
Easy to implement Method 1 is difficult to implement; Method 2 is easy to implement
Accuracy of AMS work around*
Accurate Introduces errors for DL average data rate layer
* See <LTE_RF_Planning_Planet Vx.x.ppt>
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Coverage Prediction and StatisticsATOLL PLANET
Prediction Type
Can be defined individually. More options are available
Can be selected only from a list of pre-defined predictions
Define the Area for Prediction
The area is defined by a polygon, which can be drawn easily
The area can be the computer screen, or be defined by a grid file
Range and Interval Definition
Easily performed by specifying the START, END and STEP SIZE
Each step level from start to end must be specified. More difficult to use.
Display Prediction
Can display coverage for each specified level
Display the coverage for entire range only
Statistics Table or Histogram Table or HistogramUL CINR UL power control is
assumed so that the SINR is upper limited by the threshold for the highest MCS
No UL power control. SINR is based on max UE power
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Monte Carlo Simulation and StatisticsATOLL PLANET
Define Area for Simulation
The area is defined by a polygon, which can be drawn easily
The area can be the computer screen, or be defined by a grid file
Statistics More information available. Info for each individual mobile is available
Less information available. Info for individual mobile is not available
UL Loading and Noise Rise
More reasonable Noise Rise is too low (<0.2 dB when average loading>60%)
Traffic Map Easy to create More effort needed for new users
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Monte Carlo Simulation
ATOLL PLANETMobiles not served (all dots) are intended to be everywhere
Mobiles not served (black dots only) are concentrated in weak coverage area
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Summary
While a conclusion is required for comparison in general, we are trying to avoid it due to the limited tests on the 2 tools. However, in general it is believed that
• Atoll 2.8.0– Easy to use for new users– Easy to create statistics– MC simulation results are more reasonable– Users have better understanding the tools due to the availability of all
algorithms and formulas• Planet 5.0.0.230
– More difficult to use for new users– More difficult to create statistics– MC simulation results (UL noise rise) seems not reasonable– The tool is harder to understood due to the unavailability of all
algorithms and formulas