Rohde & Schwarz Interactivity Test solution enables new ITU network performance evaluation recommendation

05/16/2023

The International Telecommunication Union (ITU) has recently approved the Rohde & Schwarz Interactivity Test as a standardized test procedure, defined in Recommendation ITU-T G.1051. Mobile network operators who integrate the Interactivity Test into their testing ecosystem can rely on Rohde & Schwarz to provide complete solutions for every aspect of the test.

In 2019, Rohde & Schwarz introduced its innovative Interactivity Test to help mobile network operators meet the needs of real-time and interactive applications, which were becoming increasingly relevant. 5G enables a new set of services, for both individual users and industrial and automotive applications. Ultra-high reliability and real-time interaction are key factors for these services. By measuring round-trip data latency, packet delay variations, packet error rates and proofing bit rates, the Interactivity Test can identify specific network issues that affect the quality and reliability of real-time and interactive services. The approach is both more integrative and scalable relative to legacy network performance tests that typically focus on data transfer speeds or network throughput.

The Interactivity Test measures latency under real network load conditions. The load patterns can be adjusted to specific use cases. All low layer information on the packet service level is available and an over-the-top assessment generates a network interactivity score for a specific use case. Information from the test can help identify data transmission bottlenecks. The Interactivity Test is more granular than legacy data tests and helps optimize network infrastructure for real-time and interactive use cases, ensuring compliance with industry standards and regulations and improving quality of experience (QoE) and quality of service (QoS).

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