FIELD: wireless communication.
SUBSTANCE: invention relates to a communication system before the fifth generation (5G) or 5G-, presented to support a communication system after the fourth generation (4G). The method for UE operation contains: transmission to the first BS of a message with a request for establishment of connection in a packet data transmission network (hereinafter – PDN); reception from the first BS of information relatively to the first single network slice selection assistance information (hereinafter – S-NSSAI) selected by means of a combination of PDN gateway control (PGW-C) plane and a session management function (SMF) of at least one signed S-NSSAI of UE; transmission to the second BS of a message with a request for registration, including requested NSSAI, which includes the first S-NSSAI; and reception from the second BS of a message with registration confirmation, including allowed NSSAI, which includes the second S-NSSAI converted into the first S-NSSAI.
EFFECT: possibility of separation of a network into slices (S-NSSAI) in a wireless communication system.
14 cl, 10 dwg, 1 tbl
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| SYSTEM, DEVICE AND METHOD OF ESTABLISHING A SESSION | 2018 |
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