17484358. Truncation of a Packet Data Unit (PDU) for Uplink Transmissions simplified abstract (Apple Inc.)

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Truncation of a Packet Data Unit (PDU) for Uplink Transmissions

Organization Name

Apple Inc.

Inventor(s)

Abhishek Anand Konda of Newark CA (US)

Murtaza A. Shikari of Mountain View CA (US)

Truncation of a Packet Data Unit (PDU) for Uplink Transmissions - A simplified explanation of the abstract

This abstract first appeared for US patent application 17484358 titled 'Truncation of a Packet Data Unit (PDU) for Uplink Transmissions

Simplified Explanation

The abstract describes a patent application related to apparatuses and methods for a user equipment (UE) to send a portion of a packet data unit (PDU) to a base station.

  • The radio link control (RLC) layer of the UE generates a PDU and a truncation indicator, which indicates where the PDU can be truncated.
  • The medium access control (MAC) layer determines if the uplink transmission size, based on an uplink grant, is smaller than the first number of bytes in the PDU.
  • If the uplink transmission size is smaller, the MAC layer selects a truncation point from the set of truncation points indicated by the truncation indicator.
  • The MAC layer removes at least a portion of the PDU to generate a truncated PDU with a second number of bytes smaller than the uplink transmission size.

Potential Applications

  • This technology can be applied in wireless communication systems where UE devices need to send data to a base station.
  • It can be used in various applications such as mobile networks, IoT devices, and other wireless communication systems.

Problems Solved

  • The technology solves the problem of efficiently transmitting data from a UE to a base station when the uplink transmission size is smaller than the size of the generated PDU.
  • By allowing the truncation of the PDU, the technology ensures that the transmitted data fits within the available uplink transmission size.

Benefits

  • The technology enables efficient use of limited uplink transmission resources by truncating the PDU to fit within the available size.
  • It improves the reliability and performance of wireless communication systems by ensuring that data can be transmitted even when the uplink transmission size is smaller than the PDU size.


Original Abstract Submitted

Some aspects of this disclosure relate to apparatuses and methods for a user equipment (UE) to send a portion of a packet data unit (PDU) to a base station. A radio link control (RLC) layer of the UE generates a PDU and a truncation indicator, where the truncation indicator can indicate a set of truncation points of the PDU. A medium access control (MAC) layer determines whether an uplink transmission size based on an uplink grant is smaller than a first number of bytes included in the PDU. In response to a determination that the uplink transmission size is smaller than the first number of bytes, the MAC layer selects a truncation point from the set of truncation points indicated by the truncation indicator, and remove at least a portion of the PDU to generate a truncated PDU having a second number of bytes smaller than the uplink transmission size.

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