The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 13, 2025
Filed:
Dec. 03, 2019
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Jan Christoffersson, Luleå, SE;
Min Wang, Luleå, SE;
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm, SE;
Abstract
The present disclosure relates to a method performed by a UE () for handling 2-step and 4-step RA procedures in a communications system (). The UE () transmits a msgA comprising a preamble and a msg3 to a network node (). The UE () applies a 2-step RA procedure when transmitting msgA. Based on a criterion, the UE () determines to fallback from the 2-step RA procedure to a 4-step RA, procedure. The criterion is that a maximum number of msgA transmissions has been exceeded or receipt of an indicator indicating that the UE () should fallback from the 2-step RA procedure to the 4-step RA procedure.