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October 11-12, 2021
Virtual
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Monday, October 11 • 2:00pm - 2:30pm
Lessons Learned from Implementing and Trialing 5G Optimization Applications as xApps on Top of the near-RT RIC - Thoralf Czichy, Nokia & Matti Hiltunen, AT&T

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This presentation introduces concrete use cases on top of the O-RAN-SC near-RT RIC – a container-based implementation of the O-RAN defined E2, O1, and A1 interfaces. These were deployed in 5G lab and live trial environments or integrated with simulators. The presentation will highlight the openness of the near-RT RIC platform enabling use cases that combine xApps from different vendors, including, for example, traffic steering and anomaly detection using ML/AI. We will discuss the xApp architecture used in the live trials as well as the open source use cases in O-RAN SC involving xApps with contributions from Nokia, Samsung, HCL, AT&T, and even academic contributors. The presentation also shows how the results from these efforts feed back into the O-RAN SC open-source development, O-RAN alliance standards and into efforts on standardizing the xApp API towards the RIC platform to enable xApp portability between RIC platforms. The presentation finishes with a look at upcoming versions of the related standards and the recent xApp-related additions in the O-RAN SC near-RT RIC platform, such as support for A1-EI (enhancement information) or the REST interface for E2 subscriptions.
Speakers
avatar for Thoralf Czichy

Thoralf Czichy

Technical Lead, Nokia
Thoralf is an expert in telco platforms, with over 20 years of experience in building complex real-time systems. Recently, he has been the key contributor in RIC architecture work and he is the PTL of the near-realtime RIC open-source project in O-RAN SC.
avatar for Matti Hiltunen

Matti Hiltunen

Lead Inventive Scientist, AT&T
Matti has a 20 years experience in the telco industry as a researcher with focus on distributed and fault tolerant systems. He has been involved with the RIC project since its inception and has designed many of the RIC platform services. In O-RAN SC, Matti is the PTL for the RICAPP... Read More →

ONeS NA 2021 Thoralf Czichy Matti Hiltunen lessons learned near rt RIC and xApps pdf
Monday October 11, 2021 2:00pm - 2:30pm PDT
Virtual Room 5
  The New Service Provider