# US 2019/0356453 A1 · Wireless Communication Method, User Equipment, Access Network Device, And Network System > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0356453 A1 - Document ID: US20190356453A1 - Status: Published application - Kind: A1 - Application number: 16/527,860 - Filed: 2019-07-31 - Published: 2019-11-21 - Earliest claimed: 2017-02-03 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Hong LI; Feng HAN; Yinghao JIN - Web page: https://patentgrep.com/patent/US20190356453A1 ## CPC - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 47/2491: Mapping quality of service [QoS] requirements between different networks - H04L 5/00: Arrangements affording multiple use of the transmission path - H04W 4/12: Messaging; Mailboxes; Announcements - H04W 28/02: Traffic management, e.g. flow control or congestion control - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 72/54: based on quality criteria - H04W 76/12: Setup of transport tunnels - H04W 28/24: Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service] - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Embodiments of the present disclosure disclose a wireless communication method, user equipment, an access network device, and a network system. The method includes: receiving, by an access network device, a first downlink data flow sent by a core network device in a form of a flow; and sending, by the access network device, information to user equipment, where the information includes a mapping relationship between the first downlink data flow and a downlink bearer. ## Claims ### Claim 1 A wireless communication method, comprising: sending, by a core network device, a first downlink data flow in a form of a flow to an access network device; and sending, by the access network device, information to user equipment, wherein the information comprises a mapping relationship between the first downlink data flow and a downlink bearer. ### Claim 2 (depends on 1) The wireless communication method according to claim 1, wherein the method further comprises: sending, by the access network device, the first downlink data flow to the user equipment by using the downlink bearer; and receiving, by the access network device, a first uplink data flow sent by the user equipment by using an uplink bearer, wherein if the first uplink data flow is corresponding to the first downlink data flow, the uplink bearer is determined based on the downlink bearer. ### Claim 3 (depends on 2) The wireless communication method according to claim 2, wherein the mapping relationship between the first downlink data flow and the downlink bearer comprises a correspondence between an identifier (ID) of the first downlink data flow and an ID of the downlink bearer; that the first uplink data flow is corresponding to the first downlink data flow comprises: an ID of the first uplink data flow is the same as the ID of the first downlink data flow, or the first uplink data flow and the first downlink data flow belong to a same service flow, or the first uplink data flow and the first downlink data flow belong to a same session flow; and that the uplink bearer is determined based on the downlink bearer comprises: the downlink bearer and the uplink bearer are a same bearer, or a quality of service (QoS) attribute of the downlink bearer is the same as a QoS attribute of the uplink bearer. ### Claim 4 (depends on 2) The wireless communication method according to claim 2, wherein the mapping relationship between the first downlink data flow and the downlink bearer comprises a correspondence between a QoS attribute of the first downlink data flow and an ID of the downlink bearer; that the first uplink data flow is corresponding to the first downlink data flow comprises: a QoS attribute of the first uplink data flow is the same as the QoS attribute of the first downlink data flow, or the first uplink data flow and the first downlink data flow belong to a same service flow, or the first uplink data flow and the first downlink data flow belong to a same session flow; and that the uplink bearer is determined based on the downlink bearer comprises: the uplink bearer and the downlink bearer are a same bearer, or a QoS attribute of the uplink bearer is the same as a QoS attribute of the downlink bearer. ### Claim 5 (depends on 2) The wireless communication method according to claim 2, wherein the first downlink data flow received by the access network device comprises a reflective quality of service identifier (RQI), but the first downlink data flow sent by the access network device does not comprise the RQI. ### Claim 6 A wireless communication method, comprising: receiving, by user equipment, information, wherein the information comprises a mapping relationship between a first downlink data flow and a downlink bearer; and receiving, by the user equipment, the first downlink data flow by using the downlink bearer. ### Claim 7 (depends on 6) The wireless communication method according to claim 6, wherein the method further comprises: sending, by the user equipment, a first uplink data flow by using an uplink bearer, wherein if the first uplink data flow is corresponding to the first downlink data flow, the uplink bearer is determined based on the downlink bearer. ### Claim 8 (depends on 7) The wireless communication method according to claim 7, wherein the mapping relationship between the first downlink data flow and the downlink bearer comprises a correspondence between an identifier (ID) of the first downlink data flow and an ID of the downlink bearer; that the first uplink data flow is corresponding to the first downlink data flow comprises: an ID of the first uplink data flow is the same as the ID of the first downlink data flow, or the first uplink data flow and the first downlink data flow belong to a same service flow, or the first uplink data flow and the first downlink data flow belong to a same session flow; and that the uplink bearer is determined based on the downlink bearer comprises: the downlink bearer and the uplink bearer are a same bearer, or a quality of service QoS attribute of the downlink bearer is the same as a QoS attribute of the uplink bearer. ### Claim 9 (depends on 7) The wireless communication method according to claim 7, wherein the mapping relationship between the first downlink data flow and the downlink bearer comprises a correspondence between a QoS attribute of the first downlink data flow and an ID of the downlink bearer; that the first uplink data flow is corresponding to the first downlink data flow comprises: a QoS attribute of the first uplink data flow is the same as the QoS attribute of the first downlink data flow, or the first uplink data flow and the first downlink data flow belong to a same service flow, or the first uplink data flow and the first downlink data flow belong to a same session flow; and that the uplink bearer is determined based on the downlink bearer comprises: the uplink bearer and the downlink bearer are a same bearer, or a QoS attribute of the uplink bearer is the same as a QoS attribute of the downlink bearer. ### Claim 10 A wireless communication system, comprising: a core network device; and an access network device; wherein the core network device is configured to send a first downlink data flow in a form of a flow to an access network device; and wherein the access network device is configured to send information to user equipment, wherein the information comprises a mapping relationship between the first downlink data flow and a downlink bearer. ### Claim 11 (depends on 10) The wireless communication system according to claim 10, wherein the access network device is further configured to: send the first downlink data flow to the user equipment by using the downlink bearer; and receive a first uplink data flow sent by the user equipment by using an uplink bearer, wherein if the first uplink data flow is corresponding to the first downlink data flow, the uplink bearer is determined based on the downlink bearer. ### Claim 12 (depends on 11) The wireless communication system according to claim 11, wherein: the mapping relationship between the first downlink data flow and the downlink bearer comprises a correspondence between an identifier (ID) of the first downlink data flow and an ID of the downlink bearer; that the first uplink data flow is corresponding to the first downlink data flow comprises: an ID of the first uplink data flow is the same as the ID of the first downlink data flow, or the first uplink data flow and the first downlink data flow belong to a same service flow, or the first uplink data flow and the first downlink data flow belong to a same session flow; and that the uplink bearer is determined based on the downlink bearer comprises: the downlink bearer and the uplink bearer are a same bearer, or a quality of service (QoS) attribute of the downlink bearer is the same as a QoS attribute of the uplink bearer. ### Claim 13 (depends on 11) The wireless communication system according to claim 11, wherein the mapping relationship between the first downlink data flow and the downlink bearer comprises a correspondence between a QoS attribute of the first downlink data flow and an ID of the downlink bearer; that the first uplink data flow is corresponding to the first downlink data flow comprises: a QoS attribute of the first uplink data flow is the same as the QoS attribute of the first downlink data flow, or the first uplink data flow and the first downlink data flow belong to a same service flow, or the first uplink data flow and the first downlink data flow belong to a same session flow; and that the uplink bearer is determined based on the downlink bearer comprises: the uplink bearer and the downlink bearer are a same bearer, or a QoS attribute of the uplink bearer is the same as a QoS attribute of the downlink bearer. ### Claim 14 (depends on 11) The wireless communication system according to claim 11, wherein the first downlink data flow received by the access network device comprises a reflective quality of service identifier (RQI), but the first downlink data flow sent by the access network device does not comprise the RQI. ### Claim 15 A communication apparatus, comprising: a transceiver; and a non-transitory computer-readable storage medium coupled to at least one processor and storing programming instructions for execution by the at least one processor, wherein the programming instructions instruct the transceiver to: receive information, wherein the information comprises a mapping relationship between a first downlink data flow and a downlink bearer; and receive the first downlink data flow by using the downlink bearer. ### Claim 16 (depends on 15) The communication apparatus according to claim 15, wherein the programming instructions instruct the transceiver to: send a first uplink data flow by using an uplink bearer, wherein if the first uplink data flow is corresponding to the first downlink data flow, the uplink bearer is determined based on the downlink bearer. ### Claim 17 (depends on 16) The communication apparatus according to claim 16, wherein: the mapping relationship between the first downlink data flow and the downlink bearer comprises a correspondence between an identifier (ID) of the first downlink data flow and an ID of the downlink bearer; that the first uplink data flow is corresponding to the first downlink data flow comprises: an ID of the first uplink data flow is the same as the ID of the first downlink data flow, or the first uplink data flow and the first downlink data flow belong to a same service flow, or the first uplink data flow and the first downlink data flow belong to a same session flow; and that the uplink bearer is determined based on the downlink bearer comprises: the downlink bearer and the uplink bearer are a same bearer, or a quality of service QoS attribute of the downlink bearer is the same as a QoS attribute of the uplink bearer. ### Claim 18 (depends on 16) The communication apparatus according to claim 16, wherein: the mapping relationship between the first downlink data flow and the downlink bearer comprises a correspondence between a QoS attribute of the first downlink data flow and an ID of the downlink bearer; that the first uplink data flow is corresponding to the first downlink data flow comprises: a QoS attribute of the first uplink data flow is the same as the QoS attribute of the first downlink data flow, or the first uplink data flow and the first downlink data flow belong to a same service flow, or the first uplink data flow and the first downlink data flow belong to a same session flow; and that the uplink bearer is determined based on the downlink bearer comprises: the uplink bearer and the downlink bearer are a same bearer, or a QoS attribute of the uplink bearer is the same as a QoS attribute of the downlink bearer.