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Sunday, December 10, 2023

Rohde & Schwarz and IMST reveal energetic antenna array OTA-testing for satellite tv for pc terminals atthe EuMW 2023

Lively antenna arrays with beamforming capabilities are a key expertise for establishing hyperlinks between satellite tv for pc terminals and finish units on the bottom. On the European Microwave Week (EuMW) 2023 in Berlin, Rohde & Schwarz and IMST will showcase an answer for over-the-air (OTA) measurements of electrically massive beamforming antenna arrays for varied SATCOM purposes.

New satellite tv for pc constellations in low Earth orbit (LEO), medium Earth orbit (MEO) or geostationary orbit (GEO) permit uninterrupted connectivity on land, at sea and within the air. In addition to basic A&D satellite tv for pc purposes, the brand new orbits will allow new companies corresponding to international monitoring, web of issues (IoT), distant sensing or nonterrestrial networks (NTN), which can drive demand for SATCOM infrastructure testing within the coming years.

Rohde & Schwarz has joined forces with IMST to reveal a strong resolution for SATCOM terminal testing on the EuMW in Berlin. Testing the efficiency of satellite tv for pc terminal programs and elements with applicable indicators below lifelike over-the-air situations is essential. SATCOM infrastructure dimension, formfactor, weight and efficiency are all difficult for SATCOM terminal producers.

On the EuMW, Rohde & Schwarz and IMST will showcase a check resolution that makes use of the compact R&S ATS1800C CATR primarily based check chamber from Rohde & Schwarz for OTA measurements to characterize a SANTANA IV antenna array module from IMST. The R&S ATS1800C has a high-quality CATR reflector that creates a big quiet zone (QZ) for a lot greater measurement certainty relative to different options. The R&S ZNA vector community analyzer can comprehensively check and reliably characterize DUTs. R&S AMS32 software program measures technical parameters corresponding to magnitude and section of far area and close to area
distributions, in addition to metrics corresponding to error vector magnitude (EVM) to characterize the digitally-modulated transceiver efficiency.

The SANTANA IV module (FKZ 50RK1925) is a great antenna terminal designed by IMST. It’s geared up with electronically managed antenna beam steering that enables the beam form and pointing course to be electronically adjusted with none transferring mechanical components. The TX antenna array has 64 parts that assist twin linear or round polarization. The array was designed for an working frequency vary from 29.5 GHz to 30 GHz, which can be utilized for purposes corresponding to SATCOM-on-the-move (SOTM). The only
64-element module can be utilized as a base module for bigger arrays.

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