Protocol is a formal set of procedures that are adopted to ensure communication between two or more functions within the same layer of a hierarchy of functions. Protocol Conformance verifies the LTE Uu radio interface of a User Equipment. The conformance test cases will be based on the conformance scripts (TTCN-3) developed by 3GPP RAN5 Working Group. Protocol conformance testing ensures that the UE correctly handles link control information and data flow control.

TTCN-3 (Testing and Test Control Notation version 3) is a strongly typed test scripting language used in conformance testing of communicating systems and a specification of test infrastructure interfaces that glue abstract test scripts with concrete communication environments. TTCN-3 has been developed by ETSI and its predecessor is TTCN-2. TTCN-3 scripts can be combined with ASN.1 type definitions. ASN.1 is natively supported by major TTCN-3 tool vendors.

Protocol Conformance suite offered as a part of LTE Q-GENERIC® Solution addresses this specific need. This solution uses Aeroflex 7100 DRTS which provides a powerful platform with network emulation of L1/L2/L3 uplink and downlink via RF or digital baseband. All protocol messages transmitted and received are combined with the TTCN trace to show exactly at what stage any problems occurred.

Typical system setup for Protocol Conformance Testing

Additional information on the hardware, add-on modules and options can be obtained by emailing to info@w2bi.com.