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LTE test system supports protocol stack teams

Posted: 18 Feb 2009     Print Version  Bookmark and Share

Keywords:LTE protocol stack  protocol stack layers  certification testing  expandable hardware 

AT4 wireless has introduced its T4110 LTE Protocol Test System, targeting R&D LTE protocol stack teams as well as test houses and UE certification laboratories.

The T4110 is based on the E2010 Broadband Wireless Test Set, which provides a powerful and expandable hardware platform that minimises the operating costs and the amount of instruments needed in the system. This Broadband Wireless Test set is common for all AT4 wireless LTE products.

AT4 wireless T4110 LTE Protocol Test System will allow protocol stack engineers to test every aspect of the different protocol stack layers functionality far beyond conformance testing, by enabling maximum control over the test system and access to all configuration parameters thus extending the functionality provided for conformance testing to suit R&D needs.

The applications supported by AT4 wireless T4110 LTE Protocol Test System cover all typical aspects of protocol stack development, integration and verification:

* To cover R&D needs, the T4110 LTE Protocol Test System supplies a complete and flexible development environment, based on TTCN-3, allowing the design of complex multi-cell and multi-RAT test scenarios. This environment provides convenient source code editing functionality and powerful test case debugging tools.

* The review of the test result information is simplified by a flexible analysis software that shows all the information gathered in a unified and straightforward manner. The most remarkable functionalities are: protocol decoding, message-response pairing, and source code linking.

* Testing projects management is easier because of some helper tools as sample PDUs and test cases repositories, automatic test plan creation tools and automatic test reports generation software among others.

The T4110 enables the creation of personalised test scenarios that will allow R&D teams the incremental development of their LTE protocol stack solutions, exercising the critical protocol stack areas and performing non-regression testing during the development process.

Furthermore, conformance test cases currently being developed by ETSI for 3GPP will also be supported. This will allow the T4110 to be used for pre-certification and certification testing. Finally, testing of upper layers protocols and applications (above IP) will also be enabled.





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