Duplication and RLC operation in new radio access technology

DE602018091379T2Active Publication Date: 2026-05-13NOKIA TECHNOLOGIES OY
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
NOKIA TECHNOLOGIES OY
Filing Date
2018-03-06
Publication Date
2026-05-13

AI Technical Summary

Technical Problem

Packet duplication at the PDCP sublayer in New Radio Access Technology (NR) leads to inefficiencies in RLC operation and radio link failure, particularly in AM mode, due to handling of duplicates across multiple carriers.

Method used

Implement novel PDCP operations to inform RLC of duplicate SDUs and prevent RLF triggering by discarding or ignoring duplicates, and ensuring successful delivery is confirmed before transmitting further duplicates, even if retransmissions reach a threshold.

Benefits of technology

Enhances radio link control and reduces resource wastage by preventing unnecessary retransmissions and RLFs, optimizing communication efficiency in multi-connectivity scenarios.

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