Patent · US Active

Method and apparatus for LBT failure detection

US11272535B2 · kind B2 · utility

5Cited by
0References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 8, 2020
Grant dateMar 8, 2022
Priority date
Expiry dateFeb 16, 2040

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W36/362
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A method for LBT failure detection performed by a UE is provided. The method includes: receiving, by a MAC entity of the UE, an LBT failure indication from a lower layer for all UL transmissions; increasing an LBT failure counter when the MAC entity receives the LBT failure indication; determining an LBT failure event occurs when the LBT failure counter is greater than or equal to a threshold; and resetting the LBT failure counter after the MAC entity has not received the LBT failure indication for a time period.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.