# US 2018/0324633 A1 · Method and apparatus for configuring qos flow in wireless communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0324633 A1 - Document ID: US20180324633A1 - Status: Published application - Kind: A1 - Application number: 15/974,138 - Filed: 2018-05-08 - Published: 2018-11-08 - Earliest claimed: 2017-05-08 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Hyungho Lee; Kisuk Kweon; Sangjun Moon; Jungshin Park; Beomsik Bae; Jicheol Lee - Web page: https://patentgrep.com/patent/US20180324633A1 ## CPC - H04W 28/0268: {using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR] (negotiating SLA or negotiating QoS H04W28/24)} - H04L 47/24: Traffic characterised by specific attributes, e.g. priority or QoS - H04L 47/2408: for supporting different services, e.g. a differentiated services [DiffServ] type of service - H04L 47/2425: for supporting services specification, e.g. SLA - H04W 8/04: Registration at HLR or HSS [Home Subscriber Server] - H04W 28/0263: {involving mapping traffic to individual bearers or channels, e.g. traffic flow template [TFT]} - H04L 47/19: at layers above the network layer (network arrangements for networked applications for scheduling or organising the servicing of application requests H04L67/60) - H04W 4/70: Services for machine-to-machine communication [M2M] or machine type communication [MTC] - H04W 80/06: Transport layer protocols, e.g. TCP [Transport Control Protocol] over wireless {(transmission control protocol/Internet protocol [TCP/IP] or user datagram protocol [UDP] H04L69/16)} - 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 present disclosure relates to a method and an apparatus for configuring a QoS flow in a mobile communication system. ## Claims ### Claim 1 A method by a base station in a wireless communication system, the method comprising: receiving, from a first network entity, information indicating that a quality of service (QoS) flow for a terminal is associated with a reflective QoS; configuring a data radio bearer (DRB) to deliver a traffic of the QoS flow to the terminal based on the received information from the first network entity; and transmitting, to the terminal, data via the DRB. ### Claim 2 (depends on 1) The method of claim 1, wherein the data is transmitted to the terminal with a header for the reflective QoS if the QoS flow is associated with the reflective QoS, and wherein the data is transmitted to the terminal without the header if the QoS flow is not associated with the reflective QoS. ### Claim 3 (depends on 2) The method of claim 2, wherein the header includes an identifier of the QoS flow and an indication for the reflective QoS. ### Claim 4 (depends on 1) The method of claim 1, wherein the method further comprises: receiving, from the first network entity, information associated with a transport level marking for an uplink packet for the terminal; receiving, from the terminal, uplink data; and transmitting, to a second network entity, the uplink data by applying the transport level marking to the uplink data. ### Claim 5 (depends on 4) The method of claim 4, wherein the received information from the first network entity comprises a differentiated services code point (DSCP) value, and wherein the first network entity is a session management function (SMF) and the second network entity is a user plane function (UPF). ### Claim 6 A base station in a wireless communication system, the base station comprising: a transceiver; and a controller coupled with the transceiver and configured to: receive, from a first network entity, information indicating that a quality of service (QoS) flow for a terminal is associated with a reflective QoS, configure a data radio bearer (DRB) to deliver a traffic of the QoS flow to the terminal based on the received information from the first network entity, and transmit, to the terminal, data via the DRB. ### Claim 7 (depends on 6) The base station of claim 6, wherein the data is transmitted to the terminal with a header for the reflective QoS if the QoS flow is associated with the reflective QoS, and wherein the data is transmitted to the terminal without the header if the QoS flow is not associated with the reflective QoS. ### Claim 8 (depends on 7) The base station of claim 7, wherein the header includes an identifier of the QoS flow and an indication for the reflective QoS. ### Claim 9 (depends on 6) The base station of claim 6, wherein the controller is further configured to: receive, from the first network entity, information associated with a transport level marking for an uplink packet for the terminal, receive, from the terminal, uplink data, and transmit, to a second network entity, the uplink data by applying the transport level marking to the uplink data. ### Claim 10 (depends on 9) The base station of claim 9, wherein the received information from the first network entity comprises a differentiated services code point (DSCP) value, and wherein the first network entity is a session management function (SMF) and the second network entity is a user plane function (UPF). ### Claim 11 A method by a first network entity in a wireless communication system, the method comprising: determining whether a quality of service (QoS) flow for a terminal is associated with a reflective QoS; and transmitting, to a base station, information indicating that the QoS flow is associated with the reflective QoS, based on the determining, wherein a data radio bearer (DRB) to deliver a traffic of the QoS flow to the terminal is configured by the base station based on the transmitted information to the base station. ### Claim 12 (depends on 11) The method of claim 11, wherein data is transmitted to the terminal via the DRB with a header for the reflective QoS if the QoS flow is associated with the reflective QoS, wherein the data is transmitted to the terminal via the DRB without the header if the QoS flow is not associated with the reflective QoS. ### Claim 13 (depends on 12) The method of claim 12, wherein the header includes an identifier of the QoS flow and an indication for the reflective QoS. ### Claim 14 (depends on 11) The method of claim 11, wherein the method further comprises: transmitting, to a second network entity, first information associated with a transport level marking for a downlink packet for the terminal; and transmitting, to the base station, second information associated with a transport level marking for an uplink packet for the terminal. ### Claim 15 (depends on 14) The method of claim 14, wherein the first information and the second information comprise a differentiated services code point (DSCP) value, and wherein the first network entity is a session management function (SMF) and the second network entity is a user plane function (UPF). ### Claim 16 A first network entity in a wireless communication system, the first network entity comprising: a transceiver; and a controller coupled with the transceiver and configured to: determine whether a quality of service (QoS) flow for a terminal is associated with a reflective QoS, and transmit, to a base station, information indicating that the QoS flow is associated with the reflective QoS, based on the determining, wherein a data radio bearer (DRB) to deliver a traffic of the QoS flow to the terminal is configured by the base station based on the transmitted information to the base station. ### Claim 17 (depends on 16) The first network entity of claim 16, wherein data is transmitted to the terminal via the DRB with a header for the reflective QoS if the QoS flow is associated with the reflective QoS, and wherein the data is transmitted to the terminal via the DRB without the header if the QoS flow is not associated with the reflective QoS. ### Claim 18 (depends on 17) The first network entity of claim 17, wherein the header includes an identifier of the QoS flow and an indication for the reflective QoS. ### Claim 19 (depends on 16) The first network entity of claim 16, wherein the controller is further configured to: transmit, to a second network entity, first information associated with a transport level marking for a downlink packet for the terminal; and transmit, to the base station, second information associated with a transport level marking for an uplink packet for the terminal. ### Claim 20 (depends on 19) The first network entity of claim 19, wherein the first information and the second information comprise a differentiated services code point (DSCP) value, and wherein the first network entity is a session management function (SMF) and the second network entity is a user plane function (UPF).