17919382. HANDLING SCELL DEACTIVATION FOR UNLICENSED OPERATION simplified abstract (Telefonaktiebolaget LM Ericsson (publ))

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HANDLING SCELL DEACTIVATION FOR UNLICENSED OPERATION

Organization Name

Telefonaktiebolaget LM Ericsson (publ)

Inventor(s)

Min Wang of Luleå (SE)

Iana Siomina of Täby (SE)

HANDLING SCELL DEACTIVATION FOR UNLICENSED OPERATION - A simplified explanation of the abstract

This abstract first appeared for US patent application 17919382 titled 'HANDLING SCELL DEACTIVATION FOR UNLICENSED OPERATION

Simplified Explanation

The abstract describes a method, system, and apparatus for a wireless device that performs a listen before talk (LBT) recovery procedure. This procedure is triggered when a first timer associated with a LBT failure criterion expires or is triggered. The LBT recovery procedure includes two options: switching to a second bandwidth part (BWP) associated with the first secondary cell (SCell) for LBT recovery, or selecting a second SCell for LBT recovery.

  • The wireless device performs a listen before talk (LBT) recovery procedure.
  • The LBT recovery procedure is triggered by the expiration or triggering of a first timer associated with a LBT failure criterion.
  • The LBT recovery procedure includes two options: switching to a second bandwidth part (BWP) associated with the first secondary cell (SCell) for LBT recovery, or selecting a second SCell for LBT recovery.

Potential Applications

  • This technology can be applied in wireless communication systems, such as cellular networks, to improve the efficiency and reliability of the LBT procedure.
  • It can be used in various wireless devices, including smartphones, tablets, IoT devices, and other wireless communication devices.

Problems Solved

  • The technology addresses the issue of LBT failure in wireless communication systems, which can lead to interference and degraded performance.
  • It provides a recovery procedure to mitigate the impact of LBT failures and ensure proper channel access for wireless devices.

Benefits

  • By performing a LBT recovery procedure, the technology improves the overall performance and reliability of wireless communication systems.
  • It reduces the likelihood of interference and improves the efficiency of channel access for wireless devices.
  • The ability to switch to a different bandwidth part or select a different secondary cell for LBT recovery increases the chances of successful channel access.


Original Abstract Submitted

A method, system and apparatus are disclosed. In one or more embodiments, a wireless device is provided. The wireless device includes processing circuitry configured to: perform a listen before talk, LBT, recovery procedure based at least on one of expiration and triggering of a first timer where the first timer is associated with a LBT failure criterion that is met for at least a first bandwidth part, BWP, associated with a first secondary cell, SCell. The LBT recovery procedure includes one of: switching to a second BWP associated with the first SCell for LBT recovery where the second BWP does not meet the LBT failure criterion, and selecting a second SCell for LBT recovery.

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