5G NR fading with a single radio test station

September 24, 2019 //By Jean-Pierre Joosting
5G NR fading with a single radio test station
Anritsu has upgraded its popular MT8000A radio communication test station with new 5G protocol test functions.

The upgrade uses 5G NR (New Radio) fading software when implementing built-in baseband fading tests, enabling the MT8000A to provide support for 3GPP TS 38.521-4 B.1/B.2 V15.0.0-compliant 5G NR channel (TDL) model tests using NR fading software implementing built-in baseband fading tests.

A fading test simulates the actual radio-wave propagation environment and is required for development of mobile devices.  Previously, an external 5G RF fading simulator was required, and this is now implemented as an internal fader in the MT8000A, supporting either 2CC 4x4 MIMO tests with one MT8000A unit, or 8CC 2x2 MIMO tests with two units.

As a result, protocol test set-up in a fading environment is simpler and elimination of external test equipment as well as compatibility with existing protocol functions helps cut development costs.

Mobile-terminal development requires 3GPP-compliant testing and evaluation to assure interoperability. These tests are not limited to static communications protocols and RF evaluations between mobiles and base stations, but also include Radio Resource Management (RRM) tests simulating a moving mobile unit, as well as evaluations, in a fading environment.


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