CaseStudies
For example Case Studies from our Services portfolio, see:
Outsourcing of Symbian SDK Validation Suites
The Challenge
To create a programme to jointly deliver with Symbian Ltd, a set of automated Validation
Suites written in Symbian C++, with the purpose of easing deployment of the mobile
platform giving improvement in TTM and Quality.
How We Met the Challenge:
- Ramp up from 0-16 staff in 6 months.
- Key staff working at or close to the customer’s site to manage the set up and transfer
of knowledge and work.
- Established two near-shore development sites in Estonia.
- Established a work-flow, skill transfer and communication plan.
- QA methods created and agreed with Symbian Ltd.
- Environment built in both Brighton & Estonia including Software Licences, Code repository
access through external server, Configuration Management, Emulator Testing, Reference
Hardware Testing
- Three projects delivered and currently defining a fourth.
-
Strict Symbian security/secrecy requirements fulfilled.
Competencies deployed to this task:
- Project Management
- Work Packages Specification
- Symbian C++
- Carbide IDE
- Perforce
- Code Coverage (Bullseye)
- Symbian Reference Hardware
-
Symbian TEF (Test Case Automation Framework)
Feasibility Study – Mobile systems, VGCS
The Challenge
A major Network Infrastructure provider approached Cell Telecom to provide resources and expertise to
perform a feasibility study (for design and test) for the delivery of the Voice Group Call Service (VGCS),
specified through 3GPP, intended for the German subsidiary of a large global operator as a solution for Professional
Mobile Radio (PMR) also known as Private Mobile Radio.
How We Met the Challenge:
Cell Telecom performed an analysis of the 3GPP specifications for the VGCS and Voice Broadcast Service (VBS)
and from them produced design proposals for implementation in the client’s Core Network products.
The feasibility activities produced the following documentation for the client:
- 3 Implementation Proposals ready for review by the client’s Product Committee.
- Test study and test strategy reports for the services.
Expertise in the AXE system and PLEX language was used in conjunction with an analysis of the 3GPP specifications in order to produce the feasibility studies.
The feasibility study documentation was delivered to the client within an aggressive time plan necessitated by the end customer.
Competencies deployed to this task:
- Mobile Switching Centre (MSC) (Anchor and Relay nodes for the services)
- Base Station Controller (BSC)
- 3GPP specifications
- Signalling protocols: MAP, BSSAP and ISUP
- AXE system and the PLEX language.