Rohde & Schwarz continues to support the satellite industry with a comprehensive portfolio of satellite testing solutions spanning payload development, user terminals, in-orbit validation, ground infrastructure and 5G non-terrestrial networks (NTN). Leveraging the expertise in test and measurement technologies, the company provides integrated solutions that ensure performance, compliance and reliability across the entire satellite lifecycle from design and development to deployment and operation. As the satellite sector transitions toward smaller satellites, high-throughput systems and multi-orbit constellations, Rohde & Schwarz enables manufacturers and operators to meet increasingly complex testing requirements through advanced instrumentation, automation and standards-based validation.
Rohde & Schwarz delivers a complete testing ecosystem that supports all phases of satellite development, including assembly, integration and testing (AIT). This approach ensures that individual subsystems and complete satellite systems function as intended while maintaining compatibility within the broader communication architecture. The company’s solutions address key industry trends such as high-throughput satellites (HTS), electronically steerable array (ESA) antennas, regenerative payloads and satellite-enabled IoT, while also supporting emerging 5G/6G NTN applications. By providing tailored testing environments and consultancy services, Rohde & Schwarz enables efficient validation processes that reduce development timelines and improve system reliability.
Satellite payload testing is a critical component of system validation, particularly as payloads become more complex and digitally reconfigurable. Rohde & Schwarz provides comprehensive testing solutions for RF components, subsystems and complete satellite payloads, ensuring performance across all operational conditions. The testing portfolio includes RF and microwave component testing for devices such as mixers, frequency converters, low-noise amplifiers (LNA), low-noise block converters (LNB) and power amplifiers. Subsystem testing covers elements such as telemetry, tracking and command (TT&C), power systems, communication modules and antenna subsystems, including both traditional parabolic antennas and electronically steerable arrays. Full-system validation includes electromagnetic compatibility (EMC) and thermal vacuum (TVAC) testing to simulate space conditions. Compliance with industry standards such as AIAA, MIL-STD-461, ECSS and IEC 61000 ensures that satellite systems operate reliably without causing or experiencing interference. The company also supports advanced measurement techniques, including group delay analysis, noise power ratio (NPR), modulation accuracy and bit error rate (BER) testing, enabling precise characterization of payload performance. Satellite user terminals must support diverse applications, including broadband access, mobility and defense communications. Rohde & Schwarz provides high-performance testing solutions for satellite user terminals, covering component, subsystem and full-system validation. These solutions address challenges such as multi-band operation, integration with high-throughput satellites, software-defined radios (SDR) and electronically steerable antennas (ESA). The company’s testing capabilities also support satcom-on-the-move (SOTM) applications, ensuring reliable communication for mobile platforms including vehicles, maritime vessels and aircraft. By enabling comprehensive testing of modems, antennas and RF components, Rohde & Schwarz helps manufacturers deliver user terminals that meet performance, reliability and interoperability requirements.
Rohde & Schwarz supports in-orbit performance verification, a critical phase in ensuring that satellite systems operate as expected after launch. Automated in-orbit test systems enable rapid and reliable validation of satellite payloads and communication links. These systems support a wide range of measurements, including equivalent isotropic radiated power (EIRP), BER, group delay, Doppler analysis, link quality monitoring and spectrum analysis. The solutions are designed to address the challenges of modern satellite constellations, particularly in LEO and MEO environments, where satellites are visible for limited durations. By enabling efficient testing within these time constraints, Rohde & Schwarz ensures that satellite operators can verify system health, calibrate antennas and optimize network performance during early orbit operations and throughout the satellite’s lifecycle. As satellite systems become more advanced, ground infrastructure must evolve to support higher data rates and digitalized operations. Rohde & Schwarz provides testing and security solutions for satellite ground stations, enabling operators to maintain reliable and secure communication links. The company’s solutions cover signal monitoring, spectrum analysis, interference detection, antenna alignment and link quality measurement, ensuring optimal performance of ground station equipment. In addition, Rohde & Schwarz addresses cybersecurity challenges by providing tools for secure communication, interference mitigation and protection against threats such as jamming and spoofing. The transition toward digital and virtualized ground stations, supported by standards such as Digital Intermediate Frequency Interoperability (DIFI), is also enabled through Rohde & Schwarz’s test and measurement solutions, ensuring interoperability and scalability for future networks.
Rohde & Schwarz plays a key role in advancing 5G non-terrestrial network (NTN) testing, supporting the integration of satellite and terrestrial communication systems. The company provides solutions for testing both transparent and regenerative satellite payloads, enabling validation of 5G signal transmission across satellite links. The testing framework addresses challenges such as Doppler effects, low signal-to-interference-plus-noise ratios (SINR), atmospheric fading and synchronization between satellite and terrestrial networks. Rohde & Schwarz also supports RF conformance testing based on 3GPP specifications, ensuring that satellite access nodes meet the required performance standards. In addition, the company provides over-the-air (OTA) testing environments, including compact antenna test ranges (CATR), for evaluating advanced antenna systems such as phased array antennas. These capabilities enable accurate characterization of beamforming, phase coherency and radiated performance.
As the satellite industry continues to evolve with new technologies and applications, testing plays a critical role in ensuring system performance, reliability and interoperability. Rohde & Schwarz’s comprehensive portfolio of satellite testing solutions enables industry stakeholders to address the complexities of modern satellite systems, from small satellites and mega-constellations to hybrid 5G networks. By combining advanced measurement technologies, automation and standards-based validation, Rohde & Schwarz supports the development of next-generation satellite communication systems. The solutions help operators and manufacturers achieve efficient testing workflows, reduce development risks and ensure high-performance operation across increasingly complex space and ground infrastructures.
About Rohde & Schwarz
Rohde & Schwarz is a Germany-based provider of test and measurement, communications and cybersecurity solutions. Headquartered in Munich, Germany, the company develops technologies that support industries including wireless communications, aerospace and defense, broadcasting and secure communications. Rohde & Schwarz offers a broad portfolio of solutions covering RF and microwave test equipment, signal generation and analysis systems and network testing platforms. In the satellite domain, the company provides test and measurement solutions for satellite payloads, user terminals, ground stations and in-orbit verification, supporting the development and operation of modern satellite communication systems. With expertise in standards-based testing and system validation, Rohde & Schwarz enables manufacturers and operators to ensure performance, interoperability and compliance across communication technologies, including 5G and non-terrestrial networks.
