Method and apparatus for mutually exclusive access to network slice for roaming terminal in wireless communication system
AssigneeSamsung Electronics Co., Ltd.
InventorsJungje Son, Hoyeon Lee, Sunghoon Kim, Jungshin Park
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Abstract
The present disclosure relates to a communication method for converging IoT technology with a 5G communication system for supporting a higher data transmission rate beyond a 4G systems, and to a system for same. The present disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail business, security and safety-related services, etc.) based on 5G communication technology and IoT-related technology.
Claims16
A method performed by an access and mobility management function (AMF) in a communication system, the method comprising:
- receiving, from a user equipment (UE), a registration request message including a requested network slice selection assistance information (NSSAI);
- identifying subscription information for the UE including at least one subscribed single-NSSAI (S-NSSAI) and network slice simultaneous registration group information for each of the at least one subscribed S-NSSAI;
- identifying an allowed NSSAI including at least one S-NSSAI which shares a common network slice simultaneous registration group based on the requested NSSAI and the subscription information;
- and
- transmitting, to the UE, a registration accept message including the allowed NSSAI.
A method performed by a user equipment (UE) in a communication system, the method comprising:
- transmitting, to an access and mobility management function (AMF), a registration request message including a requested network slice selection assistance information (NSSAI);
- and
- as a response to the registration request message, receiving, from the AMF, a registration accept message including an allowed NSSAI,
- wherein subscription information for the UE includes at least one subscribed single-NSSAI (S-NSSAI) and network slice simultaneous registration group information for each of the at least one subscribed NSSAI,
- wherein the allowed NSSAI depends on the requested NSSAI and the subscription information, and
- wherein the allowed NSSAI includes at least one S-NSSAI which shares a common network slice simultaneous registration group.
An access and mobility management function (AMF) entity in a communication system, the AMF entity comprising:
- a transceiver;
- and
- a controller coupled with the transceiver and configured to:
- receive, from a user equipment (UE), a registration request message including a requested network slice selection assistance information (NSSAI),
- identify subscription information for the UE including at least one subscribed single-NSSAI (S-NSSAI) and network slice simultaneous registration group information for each of the at least one subscribed S-NSSAI,
- identify an allowed NSSAI including at least one S-NSSAI which shares a common network slice simultaneous registration group based on the requested NSSAI and the subscription information, and
- transmit, to the UE, a registration accept message including the allowed NSSAI.
A user equipment (UE) in a communication system, the UE comprising:
- a transceiver;
- and
- a controller coupled with the transceiver and configured to:
- transmit, to an access and mobility management function (AMF) entity, a registration request message including a requested network slice selection assistance information (NSSAI), and
- as a response to the registration request message, receive, from the AMF entity, a registration accept message including an allowed NSSAI,
- wherein subscription information for the UE includes at least one subscribed single-NSSAI (S-NSSAI) and network slice simultaneous registration group information for each of the at least one subscribed NSSAI,
- wherein the allowed NSSAI depends on the requested NSSAI and the subscription information, and
- wherein the allowed NSSAI includes at least one S-NSSAI which shares a common network slice simultaneous registration group.
Dependencies are inferred from the claim text.