ERROR DETECTION IN VIRTUALIZED RADIO ACCESS NETWORKS

DE602023013414T2Active Publication Date: 2026-03-11MICROSOFT TECHNOLOGY LICENSING LLC
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2023-04-12
Publication Date
2026-03-11

AI Technical Summary

Technical Problem

The challenge in virtualized radio access networks (vRANs) is the efficient handling of PHY layer failures due to strict real-time latency requirements and high software complexity, which can cause severe service disruptions.

Method used

A programmable switch-based mechanism is employed to detect PHY failures by monitoring downlink fronthaul packets and reroute fronthaul traffic to a backup server within 500 microseconds, utilizing a programmable switch to update routing tables in the data plane for seamless failover.

Benefits of technology

This approach enables rapid detection and failover of PHY failures, improving the reliability and efficiency of mobile network services by minimizing downtime and CPU overhead.

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