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:
Mar. 18, 2025
Filed:
Aug. 12, 2021
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Attila Mihály, Dunakeszi, HU;
Maria Luisa Mas Rosique, Tres Cantos, ES;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
Methods and apparatus are disclosed herein for coordinating seamless service continuity to Edge Application Server (EAS) at relocation in a cellular communications system. In some embodiments, an Application Function (AF) sends to a Policy Control Function (PCF) a steering request comprising a keepExistingPSA indication that indicates that a current user plane (UP) path to a current Data Network Access Identifier (DNAI) and to an EAS should be maintained while a new path to a new DNAI and EAS is established. The PCF generates Policy and Charging Control (PCC) rules including the keepExistingPSA indication, and provides the PCC rules to a Session Management Function (SMF). The SMF determines, based on the keepExistingPSA indication, that simultaneous connectivity over the source PSA and the target PSA is to be provided, and configures the target PSA while maintaining the UP connectivity over the source PSA to the current DNAI and to the EAS.