Anritsu, Qualcomm Verify EPS Fallback Test for 5G New Radio
Wednesday, February 24, 2021 | Comments

Anritsu announced verification of what it called the first evolved packet system fallback (EPS-FB) protocol conformance test for 5G New Radio (NR). The test was verified on Anritsu’s ME7834NR 5G NR mobile device test platform powered by Qualcomm’s Snapdragon X60 5G modem-RF system.

EPS fallback is a mobility trigger for improving voice key performance indicators (KPI), which enables 5G phones to use the next-generation core (NGC) with NR for all data traffic, while allowing phones to switch to the LTE evolved packet core (EPC) for voice calls. Now, devices without full support of voice over NR (VoNR) capability can use stand-alone mode (SA) NR networks, and network operators can deploy NGC without full support of voice services.

The conformance tests are defined by Third Generation Partnership Project (3GPP) in TS 38.523-1 and have been submitted by Anritsu to 3GPP Radio Access Network Working Group 5 (RAN WG5). These tests will also be submitted to the Global Certification Forum (GCF) Certification Agreement Group (CAG), and PCS Type Certification Review Board (PTCRB) Validation Group (PVG) for approval in the upcoming meetings.

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