Roaming & Interconnect: IOT Roaming Connected Cars

/ / Success Stories, Success Story - M2M Automotive

Key Facts:
Customer: European mobile operator offering a M2M/IoT
service to a world class car manufacturer
Operator size: 30M mobile subscribers
Technology: 2G, 3G
Scope: Fully Managed Service package for intensive
verification of accessibility and performance testing
of the mobile service in more than 220 roaming
partners (2G and 3G)

IoT-Connected Cars Verification Needs:
• In-car Apps requiring wireless connectivity are becoming very popular
• Cars have to be equipped with a mobile modem and a SIM card
• Access to multiple services in parallel
• Services have to be available in a seamless way in home network as well as in roaming
• National roaming needs to be guaranteed too
• Car manufacturers partner with mobile operators for a global service

Scope:
Fully Managed Service package for intensive verification of accessibility and performance
testing of the mobile service in more than 220 roaming partners (2G and 3G)

  • Voice and SMS Quality testing
  • Multi RAB verification
  • Call Barring
  • 3 or 6 test cycles per day
  • Automatic reporting of the main KPI’s in matrix format
  • Summary report analysis
  • Daily analysis of results and feedback to implement the corrections quickly
  • The consulting team started working with the customer from an early stage
  • Complex customer requirements analysed and implemented quickly
  • A smart test schedule was implemented to test large number of roaming partners simultaneously
  • Daily analysis of results and feedback to implement the corrections quickly

It was clear from an early stage that the Troubleshooting phase needed more detailed
testing and analysis and fast response time.
SIGOS offered troubleshooting consultancy provided by a highly skilled consultant
with an SLA to guarantee a fast response time.

Results:

  • 220 Mobile operators tested 6x/day for 2G and 3G
  • Complex scenarios including: voice and data Multi RAB, voice and data with background
  • SMS, call barring, reachability of special international numbers, report of the
  • voice codec used, large data file download in roaming scenario etc.
  • +- 50% of the networks had some type of problems; some could be immediately
  • fixed some required more detailed analysis
  • More than 70 detailed cases were analysed with a response time of 24 hours from
  • SIGOS consultants
  • Regression tests were executed in order to ensure that the network fix was effective

95% of issues found resolved within 2 weeks!


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