In assessing the overall performance and overall score of each mobile network, 4 main categories of services have been evaluated:
With this methodology applied, Telekom achieved 89.17 (out of 100) scoring points, followed by Telenor with 85.08 (out of 100) scoring points and Vip mobile 70.21 (out of 100) scoring points.
Scoring results of Telekom and Telenor are on similar level in Cities. Telekom achieved highest overall score due to best quality of services on Roads. Vip mobile on the last place due to issues with DNS server impacting data services results.
The mobile Network Benchmarking results achieved in 4 main categories of services and on every measurement aggregation (Large Cities, Small Cities, Roads), as well as the overall scores achieved, are presented in Figure 1 below. Values for aggregations on the right are weighted values as used for the calculation of the final score.
Fig.1. Final and Aggregation scorings for all three operators
The Voice services scores achieved are presented in Figure 2 below.
Fig.2. Final and Aggregation Voice scorings for all three operators
Scores for data tests including data transmission, web browsing and YouTube are presented on Figure 3 below.
Fig.3. Final and Aggregation Data scorings for all three operators
Results by 4 main categories of services for all three operators are shown in Figure 4. Values for respective services show the percentage of maximum score achieved, to assess the gap in quality.
Fig.4. Results by 4 main categories of services for all three operators
All three mobile operators achieved good KPIs levels in Large Cities and Small Cities for voice services. On roads, Vip mobile results for CSR (below 95%) were on the level which requires improvements.
Telekom Srbija presented the best voice performance in all aggregations, mainly due to smallest number of negative events (failed and dropped calls). All mobile operators depicted similar quality of voice service, with Telekom Srbija being ahead, due to better accessibility. Vip mobile ranked last due to highest number of failed calls.
Telekom Srbija and Telenor showed the best data performance and scored between 80% and 95% of maximum points in all data tests. Telekom Srbija and Vip mobile showed similar performance during data tests, with Telekom Srbija being ahead, due to higher throughputs for small file transfer. Vip mobile ranked last mainly due to poor performance of browsing.
Telekom Srbija was better than competitors in all services. Vip mobile impacted by DNS server issue.