TETRA test inaugurated
Aeroflex and fjord-e-design have implemented, for the first time, a TETRA II test system on a portable radio tester, the Aeroflex 3920 digital radio test set.
It allows transmitter and receiver testing of base stations and mobile stations supporting the TETRA enhanced data service (TEDS).
In the implementation, the companies demonstrated TEDS frequency division multiplexing (FDM) signals with 64 QAM modulation and eight subchannels in a channel bandwidth of 50 kHz being generated and analysed, including the generation and analysis of the defined T4 test signal per the European Telecommunications Standards Institute (ETSI) TEDS standard.
“With this option, Aeroflex can support TETRA engineers in production and in the field to support the new TEDS Air Interface,” said Tom Riedl, product manager, Ismaning, Germany.
The option for the 3920 digital radio test set was developed in a joint project with fjord-e-design, a TETRA-focused engineering company in Flensburg, Germany.
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