Is a
Patent attributes
Patent Applicant
Patent Jurisdiction
Patent Number
Date of Patent
September 17, 2019
Patent Application Number
15202282
Date Filed
July 5, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
A MAC layer instructs a physical layer to transmit a preamble as a part of a random access (RA) procedure on a licensed assisted access (LAA) cell. The wireless device performs an LBT for transmission of the preamble. The wireless device considers the RA procedure unsuccessfully completed if a first condition based on a first counter is met. The wireless device considers the RA procedure unsuccessfully completed if a condition based on a second counter is met.
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