# US 10,455,406 B2 · Method and apparatus for generating packet data network connection of user equipment > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,455,406 B2 - Document ID: US10455406B2 - Status: Granted - Kind: B2 - Application number: 15/196,509 - Filed: 2016-06-29 - Published: 2016-12-29 - Granted: 2019-10-22 - Earliest claimed: 2015-06-29 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Youngkyo Baek; Sunghoon Kim; Hoyeon Lee; Sangsoo Jeong; Sungjin Park; Hyeonmok Ko; Yunsun Baek; Songyean Cho; Guttman Erik - Web page: https://patentgrep.com/patent/US10455406B2 ## CPC - H04W 8/14: between corresponding nodes - H04L 65/4061: Push-to services, e.g. push-to-talk or push-to-video - H04W 8/005: {Discovery of network devices, e.g. terminals} - H04W 76/12: Setup of transport tunnels - H04W 76/14: Direct-mode setup - H04W 88/04: adapted for relaying to or from another terminal or user - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The method includes transmitting a service authorization request message to a first network device, the first network drive including a proximity-based service (ProSe) function, and receiving a service authorization response message from the first network device. The first terminal is a relay terminal capable of performing a UE-to-network relay function. ## Claims ### Claim 1 A method for a first terminal to transmit signals in a communication system, the method comprising: transmitting a service authorization request message to a network device associated with a proximity-based service (ProSe) function; receiving a service authorization response message in response to the service authorization request message for authentication of the first terminal from the network device, the service authorization response message including a relay service code, validity time information related to a service authorization for a user equipment (UE)-to-network relay, and an access point name (APN) to be used for a packet data network (PDN) connection for a relay service code related service, the relay service code related service being provided for a second terminal through the first terminal; and establishing the PDN connection for the UE-to-network relay based on the APN included in the service authorization response message, wherein the first terminal is capable of performing a UE-to-network relay function, and wherein the relay service code is used to identify the service provided by the UE-to-network relay. ### Claim 2 (depends on 1) The method of claim 1, wherein information included in the service authorization response message is determined based on information that is stored in the network device for identifying whether the first terminal is capable of performing the UE-to-network relay function. ### Claim 3 (depends on 1) The method of claim 1, further comprising: transmitting a discovery message including the relay service code for the UE-to-network relay with the second terminal based on information included in the service authorization response message. ### Claim 4 (depends on 1) The method of claim 1, further comprising: transmitting PDN connectivity request message including the APN to a mobility management entity (MME). ### Claim 5 A method for a network device to transmit signals in a communication system, the method comprising: receiving a service authorization request message from a first terminal, the first terminal being capable of performing a user equipment (UE)-to-network relay function; and transmitting a service authorization response message in response to the service authorization request message for authentication of the first terminal to the first terminal, the service authorization response message including a relay service code, validity time information related to a service authorization for a UE-to-network relay, and an access point name (APN) to be used for a packet data network (PDN) connection for a relay service code related service, the relay service code related service being provided for a second terminal through the first terminal, wherein the network device is associated with a proximity-based service (ProSe) function, wherein the PDN connection for the UE-to-network relay is established based on the APN included in the service authorization response message, and wherein the relay service code is used to identify the service provided by the UE-to-network relay function. ### Claim 6 (depends on 5) The method of claim 5, further comprising: identifying whether the first terminal is capable of performing the UE-to-network relay function, after the service authorization request message is received. ### Claim 7 (depends on 6) The method of claim 6, further comprising: in a case that information is not stored in the network device to determine whether the first terminal is capable of performing the UE-to-network relay function, obtaining the information from a home subscriber server (HSS). ### Claim 8 (depends on 5) The method of claim 5, wherein the first terminal is configured to transmit a discovery message including the relay service code for the UE-to-network relay with the second terminal, based on information included in the service authorization response message. ### Claim 9 A first terminal configured to transmit signals in a communication system, the first terminal comprising: a transceiver; and a controller coupled with the transceiver and configured to: transmit a service authorization request message to a network device associated with a proximity-based service (ProSe) function, receive a service authorization response message in response to the service authorization request message for authentication of the first terminal from the network device, the service authorization response message including a relay service code, validity time information related to a service authorization for a user equipment (UE)-to-network relay, and an access point name (APN) to be used for a packet data network (PDN) connection for a relay service code related service, the relay service code related service being provided for a second terminal through the first terminal, and establish the PDN connection for the UE-to-network relay based on the APN included in the service authorization response message, wherein the first terminal is capable of performing a UE-to-network relay function, and wherein the relay service code is used to identify the service provided by the UE-to-network relay. ### Claim 10 (depends on 9) The first terminal of claim 9, wherein information included in the service authorization response message is determined based on the information that is stored in the network device for identifying whether the first terminal is capable of performing the UE-to-network relay function. ### Claim 11 (depends on 9) The first terminal of claim 9, wherein the controller is further configured to transmit a discovery message including the relay service code for the UE-to-network relay with the second terminal based on information included in the service authorization response message. ### Claim 12 (depends on 9) The first terminal of claim 9, wherein the controller is further configured to control to transmit PDN connectivity request message including the APN to a mobility management entity (MME). ### Claim 13 A network device configured to transmit signals in a communication system, the network device comprising: a transceiver; and a controller coupled with the transceiver and configured to control to: receive a service authorization request message from a first terminal, the first terminal being capable of performing a user equipment (UE)-to-network relay function, and transmit a service authorization response message in response to the service authorization request message for authentication of the first terminal to the first terminal, the service authorization response message including a relay service code, validity time information related to a service authorization for a UE-to-network relay, and an access point name (APN) to be used for a packet data network (PDN) connection for a relay service code related service, the relay service code related service being provided for a second terminal through the first terminal, wherein the network device is associated with a proximity-based service (ProSe) function, wherein the PDN connection for the UE-to-network relay is established based on the APN included in the service authorization response message, and wherein the relay service code is used to identify the service provided by the UE-to-network relay function. ### Claim 14 (depends on 13) The network device of claim 13, wherein the controller is further configured to identify whether the first terminal is capable of performing the UE-to-network relay function, after the service authorization request message is received. ### Claim 15 (depends on 14) The network device of claim 14, wherein the controller is further configured to, in a case that information is not stored in the network device to determine whether the first terminal is capable of performing the UE-to-network relay function, obtain the information from a home subscriber server (HSS). ### Claim 16 (depends on 13) The network device of claim 13, wherein the first terminal is configured to transmit a discovery message including the relay service code for the UE-to-network relay with the second terminal based on information included in the service authorization response message.