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Command the 5G Network: VIAVI Introduces Industry’s First Test Suite for O-RAN Specifications

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Viavi Solutions Inc. introduced the industry’s first comprehensive test suite for O-RAN specifications. Open Radio Access Network (O-RAN) is being adopted by operators and equipment manufacturers worldwide, to reduce infrastructure procurement, deployment and operational costs and lower the barrier to entry for new product innovation. As a leader in 5G test and measurement and contributor to the O-RAN Alliance, VIAVI has developed a comprehensive test suite with modules for lab validation, field deployment and network assurance.

In a multi-vendor based O-RAN environment, ensuring interoperability will become the network operator’s principal concern, as they will be responsible for managing advanced coordination features, power control algorithms and intra-technology interactions. The traditional single-vendor network simplifies all that, and when product-related network performance issues inevitably arise, service providers work with only one vendor to resolve them. Other key challenges of a multi-vendor based network will be network and resource management, along with integration of new functions and orchestration of new services.

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VIAVI has been working closely with operators and vendors around the globe to help them address these challenges. The company has identified various use cases which can help identify, isolate and resolve any network performance issues before and after a multi-vendor based O-RAN network is launched. Following are key areas of focus in lab validation, field deployment and network assurance:

  • Multi-vendor interoperability test (MV-IOT) for functionality, performance, reliability, robustness, and resilience
  • Subsystem (wrap-around) test
  • System level test
  • Vendors-pairing evaluation
  • Protocol compliance for open interfaces and protocols
  • Continuous integration (CI) and Continuous Delivery (CD) test automation
  • Continuous test process throughout the entire lifecycle
  • Holistic evaluation of multiple RAN deployment options (RAN dis-aggregation, spectrum bands, delay management, features, vendors, etc.)
  • Performance monitoring of open interfaces and protocols to ensure optimum operation.

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Also, VIAVI will be participating in an O-RAN Alliance virtual showcase by sponsoring an open fronthaul demo consisting of an O-RU emulator integrated with TM500 UE emulator which will be used to test the O-DU connected over O-RAN open fronthaul.

“As we know, deployment and management of RAN is the most expensive part of a wireless network, which means current ways of network evolution, growth and maintenance will not scale to meet the opportunities of 5G,” said Sameh Yamany, Chief Technology Officer, VIAVI. “O-RAN is a powerful vision to address this challenge, but in order for it to be fully realized, the operators need to be confident in managing interoperability and resolving problems across multiple vendors. The VIAVI O-RAN test suite, developed after our extensive work with the alliance as well as with our customers, will achieve that objective right out of the gate.”

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