18383263. PDCP UL Split and Pre-Processing simplified abstract (Telefonaktiebolaget LM Ericsson (publ))

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PDCP UL Split and Pre-Processing

Organization Name

Telefonaktiebolaget LM Ericsson (publ)

Inventor(s)

Jose Luis Pradas of Stockholm (SE)

Torsten Dudda of Wassenberg (DE)

Henning Wiemann of Aachen (DE)

Henrik Enbuske of Stockholm (SE)

PDCP UL Split and Pre-Processing - A simplified explanation of the abstract

This abstract first appeared for US patent application 18383263 titled 'PDCP UL Split and Pre-Processing

Simplified Explanation

The patent application describes a method for a User Equipment (UE) in a wireless communication system to determine which Radio Link Control (RLC) entity to use for transmitting Protocol Data Units (PDUs) based on the total amount of data volume pending for transmission.

  • The UE calculates the total amount of data volume from both PDCP data volume and RLC data volume pending for initial transmission in two RLC entities.
  • Based on whether the total amount of data volume meets or exceeds a first threshold, the UE decides whether to submit PDCP data volume to either of the two RLC entities or only to the first RLC entity.
  • The UE reports the PDCP data volume to both the first and second uplink transmission paths or only to the first uplink transmission path, based on whether the total amount of data volume meets or exceeds a first threshold.

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      1. Potential Applications
  • This technology can be applied in wireless communication systems to optimize the transmission of data packets based on the total data volume pending for transmission.
      1. Problems Solved
  • Efficient utilization of resources by determining the appropriate RLC entity for transmitting PDUs based on the total amount of data volume.
      1. Benefits
  • Improved network efficiency by dynamically selecting the RLC entity for transmission based on the data volume pending for transmission.
  • Enhanced quality of service for users by optimizing the transmission paths for data packets.


Original Abstract Submitted

According to an aspect, a UE in an uplink split-bearer configuration is configured to transmit PDUs by a first RLC entity via a first uplink transmission path and/or by a second RLC entity via a second uplink transmission path. The UE determines a total amount of data volume from PDCP data volume and RLC data volume pending for initial transmission in the two RLC entities. The UE decides whether submission of PDCP data volume is allowed to either of the two RLC entities or to only the first RLC entity, based on whether the total amount of data volume meets or exceeds a first threshold. The UE also reports the PDCP data volume to both the first and second uplink transmission paths or only the first uplink transmission path, based on whether the total amount of data volume meets or exceeds a first threshold.

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