US Patent No. 10,798,761

METHOD FOR ESTABLISHING PROTOCOL DATA UNIT SESSION IN COMMUNICATION SYSTEM


Patent No. 10,798,761
Issue Date October 06, 2020
Title Method For Establishing Protocol Data Unit Session In Communication System
Inventorship Young-Kyo Baek, Seoul (KR)
Jung-Je Son, Yongin-si (KR)
Sung-Hoon Kim, Seoul (KR)
Sang-Heon Pack, Seoul (KR)
Ho-Yeon Lee, Seongnam-si (KR)
Han-Eul Ko, Goyang-si (KR)
Won-Jun Lee, Seoul (KR)
Cheng Long Shao, Seoul (KR)
Jae-Wook Lee, Seoul (KR)
Hee-Jun Roh, Seoul (KR)
Tae-Kyung Kim, Seoul (KR)
Sun-Jae Kim, Seoul (KR)
Assignee Samsung Electronics Co., Ltd., Suwon-si (KR) Korea University Research and...

Claim of US Patent No. 10,798,761

1. A method of a user equipment (UE) for establishing a plurality of protocol data unit (PDU) sessions between the UE and a data network (DN), the method comprising:transmitting a request message to establish the plurality of PDU sessions to at least one network function (NF) of a plurality of NFs, the request message including an access and mobility management function (AMF) identity (ID) field, a flag field, and a plurality of public service identify (PSI) fields for PDU session IDs of the plurality of PDU sessions; and
establishing the plurality of PDU sessions between the UE and the DN based on the PDU session IDs which are sorted in an order of establishing the plurality of PDU sessions based on a priority,
wherein the priority is determined based on a strength of signal received by the UE and information associated with particular services corresponding to the plurality of PDU sessions, and
wherein each of the plurality of PDU sessions corresponds to a network slice (NS) for a particular service.