5G & cellular

Munich 3月 23, 2020

Rohde & Schwarz presents new test solutions for 5G base stations

Rohde & Schwarz is continuously extending its portfolio of test solutions for 5G base stations and the associated massive MIMO antenna arrays and amplifiers. Highlights include an OTA test solution with frontend modules specifically for the 5G FR2 range and a solution for speed-optimized tests of 5G base stations. Both are ideal for use in production. There is also a new, innovative test solution that allows developers to perform cross-channel measurements with up to 4x4 MIMO in the FR1 range.

Setup for cross-channel measurements up to 4x4 MIMO on 5G transmissions. (Image: Rohde & Schwarz)
Setup for cross-channel measurements up to 4x4 MIMO on 5G transmissions. (Image: Rohde & Schwarz)

As a leading manufacturer of wireless test solutions, Rohde & Schwarz has extended its portfolio for generation and analysis of 5G signal waveforms. For 5G base stations, RF test solutions for the 5G frequency ranges FR1 (450 MHz to 7.125 GHz) and FR2 up to 44 GHz will be demonstrated.

Customized solution for FR2 OTA tests

For over-the-air (OTA) tests on 5G base stations in the FR2 range, Rohde & Schwarz is launching a unique solution based on the R&S FE44 frontend modules, which support signal generation and analysis in the lower-frequency IF band. This enables low-loss transmission of 5G signals and the use of cost-effective T&M instruments by avoiding the need for equipment designed for the millimeterwave range. The R&S SMW200A vector signal generator generates the 5G signals, and the R&S FSVA3000 provides the right analysis functions. Both are ideal for 5G tests thanks to their excellent RF characteristics. The frontend modules can be mounted near the antennas of the DUT on the OTA test chamber.

In the transmit direction, the 5G signals generated in the IF band by the R&S SMW200A are upconverted to the FR2 range up to 44 GHz. This ensures that the high output power is generated exactly where it is needed. On the receive side, the R&S FE44A converts the FR2 signal at the antenna inputs down to the IF band and sends it with low attenuation losses to the R&S FSVA3000 for analysis. This solution is suitable for test systems in production.

Server based production tests

For speed-optimized production tests of 5G base stations, Rohde & Schwarz has developed a scalable, high-performance server based testing analysis platform. The R&S SMBV100B vector signal generator and the R&S FSVA3000 spectrum analyzer are used as RF test solutions. The powerful R&S QuickStep test executive software is used to automatically control the test setup and verify test results. The solution is using a 10 Gigabit Ethernet network, where the combination of the server based approach and parallel processing enables extremely high measurement speeds. The infrastructure consists of commercially available components. The combination of the R&S SMBV100B and the R&S FSVA3000 is also ideal for flexible testing of WLAN, cellular and IoT components and devices in R&D, verification and production.

Cross-channel measurements with up to 4x4 MIMO

Rohde & Schwarz also offers a new test solution for base stations and small cells that enables cross-channel measurements up to 4x4 MIMO on 5G transmissions in the FR1 range. The solution consists of the R&S SMW200A signal generator, two R&S SGT100A vector RF sources, the R&S RTP164 high-performance oscilloscope used as a measuring receiver, and the 5G analysis options of the R&S VSE vector signal explorer software running on a laptop.

The R&S SMW200A generates the 3GPP-compliant 5G test signals, which can be transmitted on up to four channels using the two additional vector RF sources. The oscilloscope provides phase coherent acquisition of all four signals, a basic prerequisite for cross-channel measurements. The integrated hardware-accelerated digital downconverter of the R&S RTP164 mixes the signals down to the baseband in real time. The R&S VSE software performs measurements in line with 3GPP specifications. Users can also perform MIMO-specific measurements and flexibly compile the test results. The solution is suitable for tests during the development and verification of 5G base stations.

Short demo videos about these and other industry-leading wireless test solutions from Rohde & Schwarz are available at www.rohde-schwarz.com/mwc.

Press & media contact

Christian Mokry
PR Manager Test & measurement
+49 89 412913052
press@rohde-schwarz.com

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Rohde & Schwarz

Rohde & Schwarz is a leading supplier of solutions in the fields of test and measurement, broadcast and media, aerospace | defense | security and networks and cybersecurity. The technology group's innovative communications, information and security products help industry and government customers ensure a safer and connected world. On June 30, 2019, Rohde & Schwarz had about 12,100 employees. The independent group achieved a net revenue of EUR 2.14 billion in the 2018/2019 fiscal year (July to June). The company is headquartered in Munich, Germany, and has subsidiaries in more than 70 countries, with regional hubs in Asia and America.


R&S® is a registered trademark of Rohde & Schwarz GmbH & Co.KG.

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