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IM & NL Generation from Call TracesOverview of Requirements
– June 11th 2014
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Interference Matrices
High-level overview of Interference Matrix generation
Service Propabilities Algorithm
Service Probabilities Algorithm from Call Traces
Neighbour PlanningService Probabilities Algorithm
Service Probabilities Algorithm from Call Traces
Content
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Interference Matrix
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Best Server
Best Server Grid
Area = 3 km²
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Best Server
C/I C/I C/I
C/I C/I
C/I C/I
C/I C/I
C/I C/I
C/I
C/I C/I
C/I C/I
C/I C/I
C/I
C/I C/I
C/I
C/I
Best Server Grid
C o - C h a n n e l T h r e s h o l d
A d j a c e n
t - C h a n n e l T h r e s h
o l d
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Best Server
C/I C/I C/I
C/I C/I
C/I C/I
C/I C/I
C/I C/I
C/I
C/I C/I
C/I C/I
C/I C/I
C/I
C/I C/I
C/I
C/I
Best Server Grid
C/I < Co-C
hannel Threshold
C/I <
Adjacent-
Channel
Threshold
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Service Probability = 40%
Service Probability = 35%
Service Probability = 25%
Service Probabilities
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Service Probabilities
5dB
-5dB
10dB
35%
40%
25%
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Service Probabilities from Call Traces
5dB
-5dB
10dB
35%
40%
25%
10dB
10dB
-5dB
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In Planet 5.8, we only have call
traces for LTE and WCDMA
Call trace-based service
probabilities algorithm only
available with these
technologies
A wizard is required because the
options vary depending on
which algorithm is selected
Service Probabilities from Call Traces
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Neighbour Planning
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Service Probability = 40%
Service Probability = 35%
Service Probability = 25%
Service Probabilities
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Service Probabilities
Cell C
Cell A Cell B
Traffic sitting on Cell B
Traffic handed over fromCell B to Cell A
Traffic handed over from
Cell B to Cell C
Traffic sitting on Cell A
Traffic handed over fromCell A to Cell B
Traffic handed over from
Cell A to Cell C
Traffic sitting on Cell C
Traffic handed over fromCell C to Cell A
Traffic handed over fromCell C to Cell B
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Service Probabilities
Cell A Cell B Cell C
Cell A
Cell B
Cell C
Handover Traffic / Area
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Service Probabilities from Call Traces
Cell A Cell B Cell C
Cell A
Cell B
Cell C
Handover Traffic / Area
-115
dBm
-120
dBm
-100
dBm
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