17995851. Data Communication In An Inactive State simplified abstract (Google LLC)

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Data Communication In An Inactive State

Organization Name

Google LLC

Inventor(s)

Chih-Hsiang Wu of Taoyuan City (TW)

Data Communication In An Inactive State - A simplified explanation of the abstract

This abstract first appeared for US patent application 17995851 titled 'Data Communication In An Inactive State

Simplified Explanation

The patent application describes a method for a User Equipment (UE) to communicate data to a Radio Access Network (RAN) while in an inactive state. Here is a simplified explanation of the abstract:

  • When the UE is in an inactive state, it determines if there is data available for transmission to the RAN.
  • The UE applies a security function to the data, generating a secured packet.
  • The secured packet is transmitted to the RAN while the UE is still in the inactive state.
  • If the RAN does not receive the secured packet, the UE can either re-transmit it in an uplink message associated with a second random access procedure or send a request to resume or set up a radio connection to the RAN.

Potential applications of this technology:

  • This method can be used in cellular networks to allow UEs to transmit data to the RAN even when they are in an inactive state.
  • It can be particularly useful for UEs that need to periodically send small amounts of data, such as IoT devices or sensors.

Problems solved by this technology:

  • Inactive UEs in a cellular network typically cannot transmit data to the RAN, which can be a limitation for certain applications.
  • This method solves the problem by allowing UEs to transmit data even when they are in an inactive state, improving the efficiency and flexibility of data communication.

Benefits of this technology:

  • Enables UEs to transmit data to the RAN while in an inactive state, providing more flexibility in data communication.
  • Reduces the need for UEs to transition to an active state solely for data transmission, saving power and network resources.
  • Improves the overall efficiency of data transmission in cellular networks.


Original Abstract Submitted

To communicate data in an inactive state associated with a protocol for controlling radio resources, a UE determines, when the UE is in the inactive state, that data is available for transmission to a RAN (). The UE applies a security function to the data to generate a secured packet () and transmits the secured packet to the RAN while the UE is in the inactive state (). In response to determining that the RAN has not received the secured packet, performing at least one of (i) re-transmitting the secured packet in an uplink message associated with a second random access procedure, or (ii) transmitting, to the RAN, a request to resume or set up a radio connection.

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