WO2016062018A1 - Data transmission method and device - Google Patents
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- WO2016062018A1 WO2016062018A1 PCT/CN2015/075717 CN2015075717W WO2016062018A1 WO 2016062018 A1 WO2016062018 A1 WO 2016062018A1 CN 2015075717 W CN2015075717 W CN 2015075717W WO 2016062018 A1 WO2016062018 A1 WO 2016062018A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Definitions
- This document relates to the technical field of transmitting data, and more particularly to a method and apparatus for transmitting data.
- the user equipment uses the wireless system to access the Internet. Before the Internet data can be correctly forwarded by the wireless system, the UE first performs a series of interactions with the ground part of the wireless system through the air interface to establish a wireless channel.
- the related methods for establishing a service chain generally include:
- Step 100 The UE initiates a service request to an evolved Node B (eNB, Evolved Node B).
- eNB evolved Node B
- Step 101 The eNB forwards the service request to the mobility management entity (MME, Mobility Management Entity).
- MME Mobility Management Entity
- Step 102 The MME sends an initial context setup request to the eNB.
- Step 103 The eNB and the UE establish a radio bearer.
- Step 104 At this time, the uplink of the UE is ready, and if the UE has data, it can be sent uplink;
- Step 105 The eNB sends an initial context setup response to the MME.
- Step 106 The MME sends a bearer modification request to a serving gateway (SGW, Service Gateway).
- SGW serving gateway
- Step 107 The SGW sends a bearer modification response to the MME.
- Step 108 The downlink is opened, and the UE can send and receive data with the Internet.
- a service chain needs to be established before data transmission, and multiple signaling is needed in the process of establishing a service chain to open up uplink and downlink, thereby causing data interaction delay. Longer.
- the technical problem to be solved by the present invention is to provide a method for transmitting data to shorten the interaction delay of data.
- the UE When the user has a service requirement, the UE establishes an air interface link, and uses the established air interface link to send data to the network side;
- the network side determines a wireless link for carrying user services according to the data and the wireless configuration, and forwards the data to the Internet according to the determined wireless link.
- the step of the network side establishing, for the user equipment UE, the wireless configuration required to complete the service includes:
- the network side establishes, in the UE access process, a wireless configuration required for completing the service for the UE.
- the UE access process includes: an attach process, and/or a location update process.
- the wireless configuration includes a match corresponding to the wireless link.
- the step of determining, by the network side, the wireless link for carrying user services according to the data and the wireless configuration includes:
- the network side looks up a wireless link in the wireless configuration that matches a match of the data.
- a device for transmitting data comprising a storage module, a receiving module, a determining module and a sending module, wherein:
- the storage module is configured to: save, before the user has no service requirement, a wireless configuration required to complete the service established by the user equipment UE;
- the receiving module is configured to: receive data from the UE;
- the determining module is configured to: determine, according to the data and the wireless configuration, a wireless link for carrying user services;
- the sending module is configured to forward data to the Internet according to the determined wireless link.
- the determining module is configured to determine a wireless link for carrying user services according to the data and the wireless configuration as follows:
- a wireless link that matches a match of the data is looked up in the wireless configuration.
- a computer program comprising program instructions which, when executed by a computer, cause the computer to perform any of the methods described above for transmitting data.
- the technical solution of the present invention includes: before the user has a service requirement, the network side establishes a wireless configuration required for the user equipment UE to complete the service; and the method further includes: when the user has a service requirement, the UE establishes an air interface link and utilizes The established air interface link sends data to the network side; the network side determines a wireless link for carrying user services according to the data and the wireless configuration, and forwards the data to the Internet according to the determined wireless link.
- the network side determines the wireless link according to the pre-established wireless configuration, and forwards the data to the Internet according to the determined wireless link, so that it is not necessary to use multiple signaling to open up the uplink and before using the data. Downlink, shortening the interaction delay of business data.
- 1 is a flow chart of a related method of transmitting data
- FIG. 2 is a flowchart of a method for transmitting data according to an embodiment of the present invention
- FIG. 3 is a flowchart of a method for a UE to attach to a core network according to an embodiment of the present invention
- FIG. 4 is a flowchart of a method for updating a tracker according to an embodiment of the present invention.
- FIG. 5 is a flow chart of a specific embodiment of a method of transmitting data according to the present invention.
- FIG. 6 is a schematic structural diagram of an apparatus for transmitting data according to an embodiment of the present invention.
- an embodiment of the present invention provides a method for transmitting data, including:
- Step 200 Before the user has a service requirement, the network side establishes, for the user equipment UE, the wireless configuration required to complete the service.
- the network side can establish a radio configuration required for completing the service for the UE in the UE access process.
- the UE access process may be any process before the user has a service requirement, for example, an attach process, a location update process, and the like.
- the wireless configuration includes at least a wireless link for carrying user services.
- the wireless link includes at least a connection relationship of the service chain of the UE.
- the connection relationship of the service chain refers to the connection relationship between the access network element and the core network element.
- the wireless configuration may further include other parameters required by the UE to complete the service, such as charging parameters, legal listening parameters, and the like.
- the access network element is an eNB.
- the network element of the access network may be the network element of the access network where the UE is currently located, and may also include the network element of the access network near the UE. Each access network element corresponds to one or more service chains.
- the access network element in the vicinity of the UE may be the access network element in the tracking area list (TAL, Track Area List) corresponding to the current location of the UE, or the distance from the current location of the UE is less than or equal to the preset.
- the access network element of the threshold, or the access network element corresponding to the location frequently visited by the UE obtained by tracking the behavior of the UE, and the like.
- the core network element includes a service gateway (SGW, Service Gateway) and public data.
- SGW service gateway
- PGW Public Data Network Gateway
- connection relationship of the service chain refers to that when the UE interacts with the Internet through the access network element and the core network element, the access network element and the core network element create a general packet radio service tunneling protocol for the UE.
- Configuration parameters involved in the tunnel of the GTPU General Packet Radio Service Tunneling Protocol User Plane. For example, the Tunnel Endpoint Identifier (TEID), the Quality of Service (QIS) parameter, the configuration parameters of the relevant air interface between the UE and the access network element, The UE ID that activates the configuration entry, and so on.
- the network side may establish a radio configuration required for the UE to complete the service in the UE access process.
- the UE access process may be an attach process, a location update process, or the like.
- the wireless configuration may further include a matching item corresponding to the wireless link, and the matching item corresponding to the wireless link may be an Internet Protocol (IP) address or a Quality of Service (QoS) of the UE.
- IP Internet Protocol
- QoS Quality of Service
- any network element such as MME, or SGW, or PGW in the core network may be used to establish a radio configuration required for the UE to complete the service.
- the method also includes:
- Step 201 When the UE has a service requirement, establish an air interface link, and use the established air interface link to send data to the network side.
- the data may be data for carrying the user service content, or may be a specially constructed packet for determining the link, where the packet includes a matching item required for determining the link, but does not include the user service. content.
- the UE may send a Packet Internet Grope packet (Ping, Packet Internet Grope) to the network side, and the IP address in the Ping packet is used to determine the wireless link.
- Ping Packet Internet Grope
- Step 202 The network side determines a wireless link for carrying user services according to the data and the wireless configuration, and forwards the data to the Internet according to the determined wireless link.
- the network side may actively discard the data after determining the wireless link, or according to the determined wireless link.
- the data is forwarded to the Internet and the data is discarded by the relevant network elements on the Internet.
- the network side determines, according to the data and the wireless configuration, the wireless link used to carry the user service, including:
- the network side looks up the wireless link in the wireless configuration that matches the match of the data.
- FIG. 3 is a flow chart of a method in which a UE attaches to a core network. Referring to FIG. 3, taking an LTE system as an example, the method includes:
- Step 300 The UE sends an attach request to the eNB.
- Step 301 The eNB forwards an attach request to the MME.
- Step 302 The UE performs security authentication by using a core network element such as an eNB and an MME.
- a core network element such as an eNB and an MME.
- Step 303 The MME generates a radio configuration corresponding to the UE according to the current location of the UE, where the wireless configuration includes: an activation identifier (IP address of the UE), a connection relationship involved in the UE service process, and other parameters required by the UE to complete the service, for example, Fee parameters, legal listening parameters, etc.;
- IP address of the UE IP address of the UE
- connection relationship involved in the UE service process IP address of the UE
- other parameters required by the UE to complete the service for example, Fee parameters, legal listening parameters, etc.
- Step 304 The MME distributes the wireless configuration to the eNB, other eNBs under the TAL where the UE is located, and other network elements in the Evolved Packet Core (EPC).
- EPC Evolved Packet Core
- all configuration data may be copied and distributed, or different network elements may be distributed to a wireless configuration related only to its own network element.
- Step 305 the completion of the connection, and the establishment of the session
- Step 306 If the UE and the Internet have actual service requirements, perform service data transmission.
- Step 307 the service data transmission is completed, and the session is released.
- TAU 4 is a flow chart of a method of Track Area Update (TAU). As shown in FIG. 4, taking the LTE system as an example, the method includes:
- Step 400 In the Idle state, the UE enters a new area, and the Tracking Area Identifier (TAI) corresponding to the area obtained by the UE from the wireless network in this area is not in the saved TAL.
- TAI Tracking Area Identifier
- Step 401 The UE sends a TAU request to the eNB where the UE is located, and the TAU request is generally attached to the In the RRC (Radio Resource Control) message;
- RRC Radio Resource Control
- Step 402 The eNB where the UE is located forwards the TAU request to the MME.
- Step 403 The UE performs security authentication by using a core network element such as an eNB and an MME where the UE is located.
- a core network element such as an eNB and an MME where the UE is located.
- Step 404 The MME generates a radio configuration corresponding to the UE according to the current location of the UE, where the wireless configuration includes: determining the identifier (the IP address of the UE), the connection relationship involved in the UE service process, and other parameters required by the UE to complete the service, for example, Fee parameters, legal listening parameters, etc.;
- Step 405 The MME distributes the wireless configuration to the eNB where the UE is located, the eNB (where the TAL is different from the TAL before the TAU), and other network elements in the EPC.
- all configuration data may be copied and distributed, or different network elements may be distributed to a wireless configuration related only to its own network element.
- Step 406 The MME responds to the TAU accept message to the UE by the eNB where the UE is located, and the TAU is completed.
- Figure 5 is a flow chart of a method of transmitting data. As shown in FIG. 5, taking the LTE system as an example, the method includes:
- Step 500 The UE has a service requirement, and establishes an air interface link.
- Step 501 The UE sends data to the eNB by using the established air interface link.
- Step 502 The eNB receives the data of the UE, and searches for the corresponding wireless link in the wireless configuration by using the source IP address in the UE data. If found, the process proceeds to step 503; if not, the process ends.
- Step 503 The eNB completes the necessary processing of the data according to the found wireless link (for example, the GTPU protocol), and encapsulates the data according to the connection relationship in the found wireless link, and then forwards the data to the SGW.
- the found wireless link for example, the GTPU protocol
- Step 504 The SGW receives the data of the UE, searches for the corresponding wireless link in the wireless configuration by using the source IP address in the UE data, and if yes, proceeds to step 505; if not, ends the process.
- Step 505 The SGW completes the necessary processing of the data according to the found wireless link (for example, the GTPU protocol), and encapsulates the data according to the connection relationship in the found wireless link, and then forwards the data to PGW.
- the found wireless link for example, the GTPU protocol
- Step 506 The PGW receives the data of the UE, and searches for the corresponding wireless link in the wireless configuration by using the source IP address in the UE data. If the search is found, step 507 is performed; if not, the process ends.
- Step 507 The PGW completes the necessary processing of the data according to the found wireless link (for example, the GTPU protocol), and encapsulates the data according to the connection relationship in the found wireless link, and then forwards the data to the Internet.
- the PGW as the most edge network element of the wireless system also has a wireless link and corresponding configuration, and the configuration includes a QoS policy; and the connection relationship does not need to exist in general, and the packet enters the Internet from the PGW.
- the Internet's routing and forwarding protocol follow the Internet's routing and forwarding protocol.
- Step 508 The PGW forwards the downlink data obtained from the Internet to the UE through the connection relationship in the wireless link determined by the uplink data.
- Embodiments of the present invention disclose a computer program including program instructions that, when executed by a computer, cause the computer to perform any of the above methods of transmitting data.
- the embodiment of the invention discloses a carrier carrying the computer program.
- an embodiment of the present invention further provides an apparatus for transmitting data, including at least:
- the storage module 601 is configured to: before the user has a service requirement, save the wireless configuration required for completing the service established by the user equipment UE;
- the receiving module 602 is configured to: receive data from the user equipment UE;
- the determining module 603 is configured to: determine, according to the data and the wireless configuration, a wireless link used to carry user services;
- the sending module 604 is configured to: forward the data to the Internet according to the determined wireless link.
- the determining module 603 is specifically configured to:
- the network side determines the wireless link according to the pre-established wireless configuration, and forwards the data to the Internet according to the determined wireless link, so that it is not necessary to use multiple signaling to open up the uplink and before using the data.
- Downlink shortening the interaction delay of business data. Therefore, the present invention has strong industrial applicability.
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Abstract
A data transmission method and device. The method comprises: before a user demands a service, a network side establishes for a user equipment (UE) wireless configuration required for completing the service. The method further comprises: when the user demands the service, the UE establishes an air-interface link and sends data to the network side by using the established air-interface link; and the network side determines, according to the data and the wireless configuration, a radio link used for bearing the user service, and forwards the data to the Internet according to the determined radio link. By means of the solution of the present invention, the network side determines the radio link according to the pre-established wireless configuration, and forwards the data to the Internet according to the determined radio link, so that the uplink and downlink connection does not need to be realized by using multiple pieces of signaling before the data is sent, and the interaction delay of the service data is shortened.
Description
本文涉及传输数据的技术领域,尤指一种传输数据的方法和装置。This document relates to the technical field of transmitting data, and more particularly to a method and apparatus for transmitting data.
用户设备(UE,User Equipment)使用无线系统接入互联网(Internet),在互联网数据能够在无线系统正确转发之前,UE首先要和无线系统的地面部分通过空中接口进行一系列交互,建立无线通道。The user equipment (UE, User Equipment) uses the wireless system to access the Internet. Before the Internet data can be correctly forwarded by the wireless system, the UE first performs a series of interactions with the ground part of the wireless system through the air interface to establish a wireless channel.
图1为相关的传输数据的方法的流程图。以长期演进(LTE,Long Term Evolution)系统为例,参见图1,相关的建立业务链的方法大致包括:1 is a flow chart of a related method of transmitting data. Taking the Long Term Evolution (LTE) system as an example, referring to FIG. 1, the related methods for establishing a service chain generally include:
步骤100、UE向演进的节点B(eNB,Evolved Node B)发起业务请求;Step 100: The UE initiates a service request to an evolved Node B (eNB, Evolved Node B).
步骤101、eNB转发业务请求给移动性管理实体(MME,Mobility Management Entity);Step 101: The eNB forwards the service request to the mobility management entity (MME, Mobility Management Entity).
步骤102、MME向eNB发送初始上下文建立请求;Step 102: The MME sends an initial context setup request to the eNB.
步骤103、eNB和UE建立无线承载;Step 103: The eNB and the UE establish a radio bearer.
步骤104、此时UE的上行链路就绪,如果UE有数据的话可以上行发送;Step 104: At this time, the uplink of the UE is ready, and if the UE has data, it can be sent uplink;
步骤105、eNB向MME发送初始上下文建立响应;Step 105: The eNB sends an initial context setup response to the MME.
步骤106、MME向服务网关(SGW,Service Gateway)发送承载修改请求;Step 106: The MME sends a bearer modification request to a serving gateway (SGW, Service Gateway).
步骤107、SGW向MME发送承载修改响应;Step 107: The SGW sends a bearer modification response to the MME.
步骤108、下行链路打通,UE可以和互联网收发数据了。Step 108: The downlink is opened, and the UE can send and receive data with the Internet.
相关的传输数据的方法中,在进行数据传输之前需要先建立业务链,而在建立业务链的过程中需要使用多个信令来打通上行链路和下行链路,从而使得数据的交互时延较长。In the related method for transmitting data, a service chain needs to be established before data transmission, and multiple signaling is needed in the process of establishing a service chain to open up uplink and downlink, thereby causing data interaction delay. Longer.
发明内容
Summary of the invention
本发明要解决的技术问题是提供一种传输数据的方法,以缩短数据的交互时延。The technical problem to be solved by the present invention is to provide a method for transmitting data to shorten the interaction delay of data.
为了达到上述目的,采用如下技术方案:In order to achieve the above objectives, the following technical solutions are adopted:
一种传输数据的方法,在用户有业务需求之前,网络侧为用户设备UE建立完成业务所需的无线配置,还包括:A method for transmitting data, before the user has a service requirement, the network side establishes a wireless configuration required for the user equipment UE to complete the service, and further includes:
用户有业务需求时,UE建立空口链接,并利用建立的空口链接向网络侧发送数据;When the user has a service requirement, the UE establishes an air interface link, and uses the established air interface link to send data to the network side;
所述网络侧根据所述数据和所述无线配置确定用于承载用户业务的无线链路,并按照确定出的无线链路将所述数据转发给互联网。The network side determines a wireless link for carrying user services according to the data and the wireless configuration, and forwards the data to the Internet according to the determined wireless link.
可选地,所述网络侧为用户设备UE建立完成业务所需的无线配置的步骤包括:Optionally, the step of the network side establishing, for the user equipment UE, the wireless configuration required to complete the service includes:
所述网络侧在所述UE接入过程中为所述UE建立完成业务所需的无线配置。The network side establishes, in the UE access process, a wireless configuration required for completing the service for the UE.
可选地,所述UE接入过程包括:附着过程、和/或位置更新过程。Optionally, the UE access process includes: an attach process, and/or a location update process.
可选地,所述无线配置包括所述无线链路对应的匹配项。Optionally, the wireless configuration includes a match corresponding to the wireless link.
可选地,所述网络侧根据所述数据和所述无线配置确定用于承载用户业务的无线链路的步骤包括:Optionally, the step of determining, by the network side, the wireless link for carrying user services according to the data and the wireless configuration includes:
所述网络侧在所述无线配置中查找与所述数据的匹配项相匹配的无线链路。The network side looks up a wireless link in the wireless configuration that matches a match of the data.
一种传输数据的装置,包括存储模块、接收模块、确定模块和发送模块,其中:A device for transmitting data, comprising a storage module, a receiving module, a determining module and a sending module, wherein:
所述存储模块设置成:在用户还没有业务需求之前保存为用户设备UE建立的完成业务所需的无线配置;The storage module is configured to: save, before the user has no service requirement, a wireless configuration required to complete the service established by the user equipment UE;
所述接收模块设置成:接收来自UE的数据;The receiving module is configured to: receive data from the UE;
所述确定模块设置成:根据所述数据和所述无线配置确定用于承载用户业务的无线链路;
The determining module is configured to: determine, according to the data and the wireless configuration, a wireless link for carrying user services;
所述发送模块设置成:按照确定出的无线链路将数据转发给互联网。The sending module is configured to forward data to the Internet according to the determined wireless link.
可选地,所述确定模块设置成按照如下方式根据所述数据和所述无线配置确定用于承载用户业务的无线链路:Optionally, the determining module is configured to determine a wireless link for carrying user services according to the data and the wireless configuration as follows:
在所述无线配置中查找与所述数据的匹配项相匹配的无线链路。A wireless link that matches a match of the data is looked up in the wireless configuration.
一种计算机程序,包括程序指令,当该程序指令被计算机执行时,使得该计算机可执行上述任意的传输数据的的方法。A computer program comprising program instructions which, when executed by a computer, cause the computer to perform any of the methods described above for transmitting data.
一种载有所述的计算机程序的载体。A carrier carrying the computer program as described.
与相关技术相比,本发明技术方案包括:在用户有业务需求之前,网络侧为用户设备UE建立完成业务所需的无线配置;还包括:用户有业务需求时,UE建立空口链接,并利用建立的空口链接向网络侧发送数据;网络侧根据数据和无线配置确定用于承载用户业务的无线链路,并按照确定出的无线链路将数据向互联网转发。通过本发明的方案,网络侧根据预先建立的无线配置确定无线链路,根据确定出的无线链路将数据转发至互联网,从而不需要在发送数据之前使用多个信令来打通上行链路和下行链路,缩短了业务数据的交互时延。Compared with the related art, the technical solution of the present invention includes: before the user has a service requirement, the network side establishes a wireless configuration required for the user equipment UE to complete the service; and the method further includes: when the user has a service requirement, the UE establishes an air interface link and utilizes The established air interface link sends data to the network side; the network side determines a wireless link for carrying user services according to the data and the wireless configuration, and forwards the data to the Internet according to the determined wireless link. With the solution of the present invention, the network side determines the wireless link according to the pre-established wireless configuration, and forwards the data to the Internet according to the determined wireless link, so that it is not necessary to use multiple signaling to open up the uplink and before using the data. Downlink, shortening the interaction delay of business data.
附图概述BRIEF abstract
下面对本发明实施例中的附图进行说明,实施例中的附图是用于对本发明的进一步理解,与说明书一起用于解释本发明,并不构成对本发明保护范围的限制。The drawings in the following description of the embodiments of the present invention are intended to illustrate the invention, and are not intended to limit the scope of the invention.
图1为相关的传输数据的方法的流程图;1 is a flow chart of a related method of transmitting data;
图2为本发明实施例的传输数据的方法的流程图;2 is a flowchart of a method for transmitting data according to an embodiment of the present invention;
图3为本发明实施例的UE附着到核心网的方法的流程图;3 is a flowchart of a method for a UE to attach to a core network according to an embodiment of the present invention;
图4为本发明实施例的跟踪器更新的方法的流程图;
4 is a flowchart of a method for updating a tracker according to an embodiment of the present invention;
图5为本发明的传输数据的方法的具体实施例的流程图;5 is a flow chart of a specific embodiment of a method of transmitting data according to the present invention;
图6为本发明实施例的传输数据的装置的结构组成示意图。FIG. 6 is a schematic structural diagram of an apparatus for transmitting data according to an embodiment of the present invention.
本发明的较佳实施方式Preferred embodiment of the invention
下面结合附图对本发明作进一步的描述,并不能用来限制本发明的保护范围。需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的各种方式可以相互组合。The invention is further described below in conjunction with the accompanying drawings and is not intended to limit the scope of the invention. It should be noted that the embodiments in the present application and the various manners in the embodiments may be combined with each other without conflict.
参见图2,本发明实施例提出了一种传输数据的方法,包括:Referring to FIG. 2, an embodiment of the present invention provides a method for transmitting data, including:
步骤200、在用户有业务需求之前,网络侧为用户设备UE建立完成业务所需的无线配置。Step 200: Before the user has a service requirement, the network side establishes, for the user equipment UE, the wireless configuration required to complete the service.
本步骤中,网络侧可以在UE接入过程中为UE建立完成业务所需的无线配置。In this step, the network side can establish a radio configuration required for completing the service for the UE in the UE access process.
其中,UE接入过程可以是在用户有业务需求之前的任何过程,例如,附着过程、位置更新过程等。The UE access process may be any process before the user has a service requirement, for example, an attach process, a location update process, and the like.
本步骤中,无线配置至少包括用于承载用户业务的无线链路。In this step, the wireless configuration includes at least a wireless link for carrying user services.
其中,无线链路至少包括UE的业务链的接续关系。业务链的接续关系是指由接入网网元和核心网网元组成的连接关系。The wireless link includes at least a connection relationship of the service chain of the UE. The connection relationship of the service chain refers to the connection relationship between the access network element and the core network element.
本步骤中,无线配置还可以包含UE完成业务所需要的其他参数,例如计费参数、合法侦听参数等。In this step, the wireless configuration may further include other parameters required by the UE to complete the service, such as charging parameters, legal listening parameters, and the like.
其中,对于LTE系统,接入网网元为eNB。For the LTE system, the access network element is an eNB.
其中,接入网网元可以是UE当前所在接入网网元,也可以包括UE附近接入网网元。每一个接入网网元对应一条或多条业务链。其中,UE附近接入网网元可以是UE的当前位置对应的跟踪区列表(TAL,Track Area List)中的接入网网元,或与UE的当前位置之间的距离小于或等于预设阈值的接入网网元,或对UE的行为进行跟踪获得的UE常去的位置对应的接入网网元等等。The network element of the access network may be the network element of the access network where the UE is currently located, and may also include the network element of the access network near the UE. Each access network element corresponds to one or more service chains. The access network element in the vicinity of the UE may be the access network element in the tracking area list (TAL, Track Area List) corresponding to the current location of the UE, or the distance from the current location of the UE is less than or equal to the preset. The access network element of the threshold, or the access network element corresponding to the location frequently visited by the UE obtained by tracking the behavior of the UE, and the like.
其中,核心网网元包括服务网关(SGW,Service Gateway)和公共数据
网网关(PGW,Public Data Network Gateway)。The core network element includes a service gateway (SGW, Service Gateway) and public data.
Network Gateway (PGW, Public Data Network Gateway).
具体地,业务链的接续关系是指在UE通过接入网网元和核心网网元与互联网发生业务数据交互时,接入网网元和核心网网元为UE创建通用分组无线业务隧道协议用户面(GTPU,General Packet Radio Service Tunneling Protocol User Plane)隧道所涉及的配置参数。例如,隧道端点标识(TEID,Tunnel Endpoint Identifier)、服务质量(QOS,Quality of Service)分类标识(QCI,QoS Class Identifier)参数,UE和接入网网元之间相关空中接口的配置参数,用于激活配置条目的UE标识,等等。Specifically, the connection relationship of the service chain refers to that when the UE interacts with the Internet through the access network element and the core network element, the access network element and the core network element create a general packet radio service tunneling protocol for the UE. Configuration parameters involved in the tunnel of the GTPU (General Packet Radio Service Tunneling Protocol User Plane). For example, the Tunnel Endpoint Identifier (TEID), the Quality of Service (QIS) parameter, the configuration parameters of the relevant air interface between the UE and the access network element, The UE ID that activates the configuration entry, and so on.
本步骤中,网络侧可以在UE接入过程为UE建立完成业务所需的无线配置。其中,UE接入过程可以是附着过程、或位置更新过程等。In this step, the network side may establish a radio configuration required for the UE to complete the service in the UE access process. The UE access process may be an attach process, a location update process, or the like.
本步骤中,无线配置还可以包括无线链路对应的匹配项,无线链路对应的匹配项可以是UE的互联网协议(IP,Internet Protocol)地址、或服务质量(QoS,Quality of Service)。In this step, the wireless configuration may further include a matching item corresponding to the wireless link, and the matching item corresponding to the wireless link may be an Internet Protocol (IP) address or a Quality of Service (QoS) of the UE.
本步骤中,可以是核心网中的任意一个网元(如MME、或SGW、或PGW)为UE建立完成业务所需的无线配置。In this step, any network element (such as MME, or SGW, or PGW) in the core network may be used to establish a radio configuration required for the UE to complete the service.
该方法还包括:The method also includes:
步骤201、UE有业务需求时,建立空口链接,并利用建立的空口链接向网络侧发送数据。Step 201: When the UE has a service requirement, establish an air interface link, and use the established air interface link to send data to the network side.
本步骤中,数据可以是用于承载了用户业务内容的数据,也可以是为确定链路而特殊构造的报文,报文中包含有确定链路所需要的匹配项,但不包含用户业务内容。In this step, the data may be data for carrying the user service content, or may be a specially constructed packet for determining the link, where the packet includes a matching item required for determining the link, but does not include the user service. content.
例如,如果UE是处于寻呼响应状态,则UE可以发送一个因特网包探索器(Ping,Packet Internet Grope)包给网络侧,该Ping包中的IP地址用作确定无线链路。For example, if the UE is in the paging response state, the UE may send a Packet Internet Grope packet (Ping, Packet Internet Grope) to the network side, and the IP address in the Ping packet is used to determine the wireless link.
步骤202、网络侧根据数据和无线配置确定用于承载用户业务的无线链路,并按照确定出的无线链路将数据向互联网转发。Step 202: The network side determines a wireless link for carrying user services according to the data and the wireless configuration, and forwards the data to the Internet according to the determined wireless link.
本步骤中,如果网络侧接收到的数据中没有实际的用户业务内容,则网络侧可以在确定出无线链路后主动丢弃数据,或者根据确定出的无线链路将
数据转发到互联网上,数据会被互联网上相关网元丢弃。In this step, if there is no actual user service content in the data received by the network side, the network side may actively discard the data after determining the wireless link, or according to the determined wireless link.
The data is forwarded to the Internet and the data is discarded by the relevant network elements on the Internet.
本步骤中,网络侧根据数据和无线配置确定用于承载用户业务的无线链路包括:In this step, the network side determines, according to the data and the wireless configuration, the wireless link used to carry the user service, including:
网络侧在无线配置中查找与数据的匹配项相匹配的无线链路。The network side looks up the wireless link in the wireless configuration that matches the match of the data.
下面通过具体实施例详细说明本发明的方法。The method of the present invention will now be described in detail by way of specific examples.
图3为UE附着到核心网的方法的流程图。参见图3,以LTE系统为例,该方法包括:3 is a flow chart of a method in which a UE attaches to a core network. Referring to FIG. 3, taking an LTE system as an example, the method includes:
步骤300、UE向eNB发送附着请求;Step 300: The UE sends an attach request to the eNB.
步骤301、eNB向MME转发附着请求;Step 301: The eNB forwards an attach request to the MME.
步骤302、UE通过eNB和MME等核心网网元完成安全认证;Step 302: The UE performs security authentication by using a core network element such as an eNB and an MME.
步骤303、MME根据UE当前所在位置,生成UE对应的无线配置,无线配置包括:激活标识(UE的IP地址)、UE业务过程涉及的接续关系、以及UE完成业务所需要的其他参数,例如计费参数、合法侦听参数等;Step 303: The MME generates a radio configuration corresponding to the UE according to the current location of the UE, where the wireless configuration includes: an activation identifier (IP address of the UE), a connection relationship involved in the UE service process, and other parameters required by the UE to complete the service, for example, Fee parameters, legal listening parameters, etc.;
步骤304、MME将无线配置分发给eNB、UE所在位置的TAL下的其它eNB和演进的分组核心网(EPC,Evolved Packet Core)中的其他网元。Step 304: The MME distributes the wireless configuration to the eNB, other eNBs under the TAL where the UE is located, and other network elements in the Evolved Packet Core (EPC).
本步骤中,可以将所有配置数据复制分发,也可以不同网元被分发到仅和自身网元相关的无线配置。In this step, all configuration data may be copied and distributed, or different network elements may be distributed to a wireless configuration related only to its own network element.
步骤305、附着完成、会话建立;Step 305, the completion of the connection, and the establishment of the session;
步骤306、如果UE和互联网有实际的业务需求的话,则进行业务数据传输;Step 306: If the UE and the Internet have actual service requirements, perform service data transmission.
步骤307、业务数据传输完成,会话释放。Step 307, the service data transmission is completed, and the session is released.
图4为跟踪区更新(TAU,Track Area Update)的方法的流程图。如图4所示,以LTE系统为例,该方法包括:4 is a flow chart of a method of Track Area Update (TAU). As shown in FIG. 4, taking the LTE system as an example, the method includes:
步骤400、Idle态下,UE进入一个新的区域,UE在这个区域从无线网络获得的对应这个区域的跟踪区识别符(TAI,Tracking Area Identifier)不在保存的TAL内;Step 400: In the Idle state, the UE enters a new area, and the Tracking Area Identifier (TAI) corresponding to the area obtained by the UE from the wireless network in this area is not in the saved TAL.
步骤401、UE向UE所在eNB发送TAU请求,TAU请求一般附带在无
线资源控制协议(RRC,Radio Resource Control)消息里面;Step 401: The UE sends a TAU request to the eNB where the UE is located, and the TAU request is generally attached to the
In the RRC (Radio Resource Control) message;
步骤402、UE所在eNB将TAU请求转发到MME;Step 402: The eNB where the UE is located forwards the TAU request to the MME.
步骤403、UE通过UE所在eNB和MME等核心网网元完成安全认证;Step 403: The UE performs security authentication by using a core network element such as an eNB and an MME where the UE is located.
步骤404、MME根据UE当前所在位置,生成UE对应的无线配置,无线配置包括:确定标识(UE的IP地址)、UE业务过程涉及的接续关系,以及UE完成业务所需要的其他参数,例如计费参数、合法侦听参数等;Step 404: The MME generates a radio configuration corresponding to the UE according to the current location of the UE, where the wireless configuration includes: determining the identifier (the IP address of the UE), the connection relationship involved in the UE service process, and other parameters required by the UE to complete the service, for example, Fee parameters, legal listening parameters, etc.;
步骤405、MME将无线配置分发到UE所在eNB、UE所在位置的TAL(这个TAL会区别于TAU之前的TAL)下的其它eNB和EPC中的其他网元;Step 405: The MME distributes the wireless configuration to the eNB where the UE is located, the eNB (where the TAL is different from the TAL before the TAU), and other network elements in the EPC.
本步骤中,可以将所有配置数据复制分发,也可以不同网元被分发到仅和自身网元相关的无线配置。In this step, all configuration data may be copied and distributed, or different network elements may be distributed to a wireless configuration related only to its own network element.
步骤406、MME通过UE所在eNB向UE回应TAU接受消息,TAU完成。Step 406: The MME responds to the TAU accept message to the UE by the eNB where the UE is located, and the TAU is completed.
图5为传输数据的方法的流程图。如图5所示,以LTE系统为例,该方法包括:Figure 5 is a flow chart of a method of transmitting data. As shown in FIG. 5, taking the LTE system as an example, the method includes:
步骤500、UE有业务需求,建立空口链接;Step 500: The UE has a service requirement, and establishes an air interface link.
步骤501、UE通过建立的空口链接向eNB发送数据;Step 501: The UE sends data to the eNB by using the established air interface link.
步骤502、eNB收到UE的数据,使用UE数据中的源IP地址在无线配置中查找对应的无线链路,如果查找到,则执步骤503;如果查找不到,则结束本流程。Step 502: The eNB receives the data of the UE, and searches for the corresponding wireless link in the wireless configuration by using the source IP address in the UE data. If found, the process proceeds to step 503; if not, the process ends.
步骤503、eNB按照查找到的无线链路完成数据的必要处理(例如GTPU协议),并按照查找到的无线链路中的接续关系对数据进行封装后转发给SGW。Step 503: The eNB completes the necessary processing of the data according to the found wireless link (for example, the GTPU protocol), and encapsulates the data according to the connection relationship in the found wireless link, and then forwards the data to the SGW.
步骤504、SGW收到UE的数据,使用UE数据中的源IP地址在无线配置中查找对应的无线链路,如果查找到,则执步骤505;如果查找不到,则结束本流程。Step 504: The SGW receives the data of the UE, searches for the corresponding wireless link in the wireless configuration by using the source IP address in the UE data, and if yes, proceeds to step 505; if not, ends the process.
步骤505、SGW按照查找到的无线链路完成数据的必要处理(例如GTPU协议),并按照查找到的无线链路中的接续关系对数据进行封装后转发给
PGW。Step 505: The SGW completes the necessary processing of the data according to the found wireless link (for example, the GTPU protocol), and encapsulates the data according to the connection relationship in the found wireless link, and then forwards the data to
PGW.
步骤506、PGW收到UE的数据,使用UE数据中的源IP地址在无线配置中查找对应的无线链路,如果查找到,则执步骤507;如果查找不到,则结束本流程。Step 506: The PGW receives the data of the UE, and searches for the corresponding wireless link in the wireless configuration by using the source IP address in the UE data. If the search is found, step 507 is performed; if not, the process ends.
步骤507、PGW按照查找到的无线链路完成数据的必要处理(例如GTPU协议),并按照查找到的无线链路中的接续关系对数据进行封装后转发给互联网。需要说明的是,PGW作为无线系统的最边缘的网元也会存在无线链路和相应配置,配置包括QoS策略等;而接续关系一般情况下不需要存在,报文从PGW出来进入互联网,一般遵照互联网的路由转发协议。Step 507: The PGW completes the necessary processing of the data according to the found wireless link (for example, the GTPU protocol), and encapsulates the data according to the connection relationship in the found wireless link, and then forwards the data to the Internet. It should be noted that the PGW as the most edge network element of the wireless system also has a wireless link and corresponding configuration, and the configuration includes a QoS policy; and the connection relationship does not need to exist in general, and the packet enters the Internet from the PGW. Follow the Internet's routing and forwarding protocol.
步骤508、PGW将从互联网获得的下行数据通过之前由上行数据确定的无线链路中的接续关系转发到UE上。Step 508: The PGW forwards the downlink data obtained from the Internet to the UE through the connection relationship in the wireless link determined by the uplink data.
本发明实施例公开了一种计算机程序,包括程序指令,当该程序指令被计算机执行时,使得该计算机可执行上述任意的传输数据的的方法。Embodiments of the present invention disclose a computer program including program instructions that, when executed by a computer, cause the computer to perform any of the above methods of transmitting data.
本发明实施例公开了一种载有所述的计算机程序的载体。The embodiment of the invention discloses a carrier carrying the computer program.
参见图6,本发明实施例还提出了一种传输数据的装置,至少包括:Referring to FIG. 6, an embodiment of the present invention further provides an apparatus for transmitting data, including at least:
存储模块601,设置成:在用户有业务需求之前保存为用户设备UE建立的完成业务所需的无线配置;The storage module 601 is configured to: before the user has a service requirement, save the wireless configuration required for completing the service established by the user equipment UE;
接收模块602,设置成:接收来自用户设备UE的数据;The receiving module 602 is configured to: receive data from the user equipment UE;
确定模块603,设置成:根据数据和无线配置确定用于承载用户业务的无线链路;The determining module 603 is configured to: determine, according to the data and the wireless configuration, a wireless link used to carry user services;
发送模块604,设置成:按照确定出的无线链路将数据向互联网转发。The sending module 604 is configured to: forward the data to the Internet according to the determined wireless link.
本发明的装置中,确定模块603具体设置成:In the device of the present invention, the determining module 603 is specifically configured to:
在无线配置中查找与数据的匹配项相匹配的无线链路。Look for a wireless link that matches the match of the data in the wireless configuration.
需要说明的是,以上所述的实施例仅是为了便于本领域的技术人员理解而已,并不用于限制本发明的保护范围,在不脱离本发明的发明构思的前提下,本领域技术人员对本发明所做出的任何显而易见的替换和改进等均在本
发明的保护范围之内。It should be noted that the above-mentioned embodiments are only for the purpose of facilitating the understanding of those skilled in the art, and are not intended to limit the scope of the present invention, and those skilled in the art will Any obvious substitutions and improvements made by the invention are in this
Within the scope of protection of the invention.
通过本发明的方案,网络侧根据预先建立的无线配置确定无线链路,根据确定出的无线链路将数据转发至互联网,从而不需要在发送数据之前使用多个信令来打通上行链路和下行链路,缩短了业务数据的交互时延。因此本发明具有很强的工业实用性。
With the solution of the present invention, the network side determines the wireless link according to the pre-established wireless configuration, and forwards the data to the Internet according to the determined wireless link, so that it is not necessary to use multiple signaling to open up the uplink and before using the data. Downlink, shortening the interaction delay of business data. Therefore, the present invention has strong industrial applicability.
Claims (9)
- 一种传输数据的方法,在用户有业务需求之前,网络侧为用户设备UE建立完成业务所需的无线配置,还包括:A method for transmitting data, before the user has a service requirement, the network side establishes a wireless configuration required for the user equipment UE to complete the service, and further includes:用户有业务需求时,UE建立空口链接,并利用建立的空口链接向网络侧发送数据;When the user has a service requirement, the UE establishes an air interface link, and uses the established air interface link to send data to the network side;所述网络侧根据所述数据和所述无线配置确定用于承载用户业务的无线链路,并按照确定出的无线链路将所述数据转发给互联网。The network side determines a wireless link for carrying user services according to the data and the wireless configuration, and forwards the data to the Internet according to the determined wireless link.
- 根据权利要求1所述的传输数据的方法,其中,所述网络侧为用户设备UE建立完成业务所需的无线配置的步骤包括:The method for transmitting data according to claim 1, wherein the step of the network side establishing a radio configuration required for the user equipment UE to complete the service comprises:所述网络侧在所述UE接入过程中为所述UE建立完成业务所需的无线配置。The network side establishes, in the UE access process, a wireless configuration required for completing the service for the UE.
- 根据权利要求2所述的传输数据的方法,其中,所述UE接入过程包括:附着过程、和/或位置更新过程。The method of transmitting data according to claim 2, wherein the UE access procedure comprises an attach procedure, and/or a location update procedure.
- 根据权利要求1所述的传输数据的方法,其中,所述无线配置包括所述无线链路对应的匹配项。The method of transmitting data of claim 1 wherein said wireless configuration comprises a match corresponding to said wireless link.
- 根据权利要求4所述的传输数据的方法,其中,所述网络侧根据所述数据和所述无线配置确定用于承载用户业务的无线链路的步骤包括:The method of transmitting data according to claim 4, wherein the step of determining, by the network side, a wireless link for carrying user services according to the data and the wireless configuration comprises:所述网络侧在所述无线配置中查找与所述数据的匹配项相匹配的无线链路。The network side looks up a wireless link in the wireless configuration that matches a match of the data.
- 一种传输数据的装置,包括存储模块、接收模块、确定模块和发送模块,其中:A device for transmitting data, comprising a storage module, a receiving module, a determining module and a sending module, wherein:所述存储模块设置成:在用户还没有业务需求之前保存为用户设备UE建立的完成业务所需的无线配置;The storage module is configured to: save, before the user has no service requirement, a wireless configuration required to complete the service established by the user equipment UE;所述接收模块设置成:接收来自UE的数据;The receiving module is configured to: receive data from the UE;所述确定模块设置成:根据所述数据和所述无线配置确定用于承载用户业务的无线链路;The determining module is configured to: determine, according to the data and the wireless configuration, a wireless link for carrying user services;所述发送模块设置成:按照确定出的无线链路将数据转发给互联网。 The sending module is configured to forward data to the Internet according to the determined wireless link.
- 根据权利要求6所述的装置,其中,所述确定模块设置成按照如下方式根据所述数据和所述无线配置确定用于承载用户业务的无线链路:The apparatus of claim 6, wherein the determining module is configured to determine a wireless link for carrying user traffic based on the data and the wireless configuration as follows:在所述无线配置中查找与所述数据的匹配项相匹配的无线链路。A wireless link that matches a match of the data is looked up in the wireless configuration.
- 一种计算机程序,包括程序指令,当该程序指令被计算机执行时,使得该计算机可执行如权利要求1-5中任一项所述的传输数据的的方法。A computer program comprising program instructions which, when executed by a computer, cause the computer to perform the method of transmitting data as claimed in any one of claims 1-5.
- 一种载有如权利要求8所述的计算机程序的载体。 A carrier carrying the computer program of claim 8.
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CN103139930A (en) * | 2011-11-22 | 2013-06-05 | 华为技术有限公司 | Connection establishment method and user devices |
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US9001750B2 (en) * | 2010-04-05 | 2015-04-07 | Qualcomm Incorporated | Method and apparatus for signaling user equipment capabilities |
CN102573005B (en) * | 2010-12-20 | 2015-02-18 | 大唐移动通信设备有限公司 | Radio data service access method, system and device |
CN102572962B (en) * | 2011-05-26 | 2016-09-28 | 中兴通讯股份有限公司 | Multi-Mode Base Station data transmission method and device |
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CN102625346A (en) * | 2011-01-31 | 2012-08-01 | 电信科学技术研究院 | LTE-LAN system, access device and terminal |
CN103139930A (en) * | 2011-11-22 | 2013-06-05 | 华为技术有限公司 | Connection establishment method and user devices |
CN102547592A (en) * | 2012-01-06 | 2012-07-04 | 电信科学技术研究院 | Data transmission method and device |
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