WO2018014667A1 - 一种数据传输的方法及装置 - Google Patents

一种数据传输的方法及装置 Download PDF

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Publication number
WO2018014667A1
WO2018014667A1 PCT/CN2017/087240 CN2017087240W WO2018014667A1 WO 2018014667 A1 WO2018014667 A1 WO 2018014667A1 CN 2017087240 W CN2017087240 W CN 2017087240W WO 2018014667 A1 WO2018014667 A1 WO 2018014667A1
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Prior art keywords
data
packet
information
terminal
closes
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English (en)
French (fr)
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侯云静
艾明
王胡成
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China Academy of Telecommunications Technology CATT
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China Academy of Telecommunications Technology CATT
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a method and an apparatus for data transmission.
  • the terminal when a user closes a data service, the terminal does not notify the network of the event.
  • the application server may continue to send downlink data to the terminal. Since the network does not know that the terminal has closed the data service, the network continues to send downlink data to the terminal and bills the data, so there is a problem of excessive charging. .
  • the terminal no longer receives the voice call sent from the IMS system. , so the user cannot receive the call.
  • PS Packet Switched
  • IMS system IP Multimedia Subsystem
  • the embodiments of the present disclosure provide a method and an apparatus for data transmission, which solves the problem of excessive charging or dropped calls in the related art because the terminal does not notify the network that the packet switched data service is closed.
  • a method for data transmission comprising: a Packet Data Network (PDN) gateway PGW (PDN GateWay) receiving information that a terminal closes packet switched data; and the PGW is according to the terminal Turn off information transfer data for packet switched data.
  • PDN Packet Data Network
  • PGW Packet Data Network GateWay
  • the PGW receives the information that the terminal closes the packet-switched data, and the information that is sent by the terminal to the packet-switched data is sent by the terminal that is sent by the PGW and the PW.
  • the information that the terminal closes the packet-switched data is sent by the terminal UE to the application server, and then sent by the application server to the PCRF.
  • the PGW receiving information that the terminal closes the packet exchange data includes: the PGW Receiving, by the serving gateway SGW (Serving Gateway), the terminal closes information of packet switched data.
  • the serving gateway SGW Serving Gateway
  • the information that the terminal closes the packet-switched data is sent by the UE to the mobility management entity MME, and then sent by the MME to the SGW.
  • the information that the terminal closes the packet-switched data includes: the UE turns off the indication information of the packet-switched data and the related information of the specified application, and the network may continue to transmit the information to the UE when the UE closes the packet-switched data service. Specify the data for the app.
  • the transmitting information according to the information that the terminal closes the packet-switched data includes: if the UE closes the packet-switched data service, when the PGW receives the data packet, determining whether the data packet belongs to the specified application If the data packet does not belong to the specified application, the PGW discards the data packet, otherwise the PGW normally forwards the data packet.
  • a device for data transmission comprising: a receiving module, configured to receive information that the terminal closes the packet-switched data; and a transmitting module, configured to transmit data according to the information that the terminal turns off the packet-switched data.
  • the receiving module is further configured to: receive, by the policy and charging rule function, the information sent by the terminal to close the packet exchange data.
  • the information that the terminal closes the packet-switched data is sent by the UE to the application server, and then sent by the application server to the PCRF.
  • the receiving module is further configured to: receive information that the terminal sent by the serving gateway SGW closes the packet exchange data.
  • the information that the terminal closes the packet-switched data is sent by the UE to the mobility management entity MME, and then sent by the MME to the SGW.
  • the information that the terminal closes the packet-switched data includes: the UE turns off the indication information of the packet-switched data and the related information of the specified application, and the network may continue to transmit the specified application to the UE when the UE closes the packet-switched data service.
  • the data includes: the UE turns off the indication information of the packet-switched data and the related information of the specified application, and the network may continue to transmit the specified application to the UE when the UE closes the packet-switched data service.
  • the transmitting module is further configured to: if the UE closes the packet switched data service, when the receiving module receives the data packet, determine whether the data packet belongs to the specified application; if the data packet If the packet does not belong to the specified application, the data packet is discarded, otherwise the data packet is normally forwarded.
  • the PGW receiving terminal closes the information of the packet-switched data, and the PGW transmits the data according to the information of the terminal closing the packet-switched data, when the terminal closes the packet-switched data service, in order to avoid
  • the terminal does not notify the network that the packet switched data service is closed, and there is a problem of excessive charging or dropped calls.
  • the above problem can be notified to the network that the packet switched data service is closed.
  • the operator can define a specified application (for example, defined as PS Data). OFF Exempt services), even if the terminal closes the packet switched data service, the network normally forwards the data of the specified application (for example, PS Data OFF Exempt services).
  • FIG. 1 is a flow chart of a method of data transmission in some embodiments of the present disclosure
  • FIG. 2 is a schematic diagram of a process of transmitting, by an application server, information of a PS DATA OFF Exempt service to a PGW when the UE closes PS data according to some embodiments of the present disclosure
  • FIG. 3 is a schematic diagram of a process for a UE to send a PS DATA OFF prompt to a PGW through control plane signaling according to some embodiments of the present disclosure
  • FIG. 4 is a block diagram of an apparatus for data transmission in some embodiments of the present disclosure.
  • FIG. 5 is a block diagram of an apparatus for data transmission in some embodiments of the present disclosure.
  • embodiments of the present disclosure may be implemented as a system, apparatus, device, method, or computer program product.
  • embodiments of the present disclosure may be embodied in the form of full hardware, complete software (including firmware, resident software, microcode, etc.), or a combination of hardware and software.
  • FIG. 1 a method of data transmission is illustrated, including the following steps.
  • Step 101 the PGW (PDN gateway) receives the information that the terminal closes the packet exchange data, and then proceeds to step 102;
  • the information that the terminal closes the packet switched data indicates that the UE closes the PS data service.
  • the PGW receives the closed data information sent by the PCRF (Policy and Charging Rules function).
  • the closed data information is sent by the UE to the application server, and then sent by the application server to the PCRF.
  • the PGW receives the closed data information sent by the SGW (Serving Gateway).
  • the closed PS data information is transmitted by the UE to the MME (Mobility Management Entity), and then transmitted by the MME message to the SGW.
  • MME Mobility Management Entity
  • the information that the terminal turns off the packet-switched data includes: the UE turns off the indication information of the packet-switched data and the related information of the specified application, and the network may continue to transmit the data of the specified application to the UE when the UE closes the packet-switched data service.
  • the related information of the specified application may be an application identifier or an IP filter (IP packet filter).
  • the terminal may notify the network of the event that the packet switched data service is closed.
  • the operator can define a specified application (for example, PS Data OFF Exempt services), and the network normally forwards data of a specified application (for example, PS Data OFF Exempt services) even if the terminal closes the packet switched data service.
  • the designated application for example, PS Data OFF Exempt services
  • Step 102 The PGW transmits data according to information that the terminal closes the packet exchange data.
  • the PGW judges the data packet. Whether it belongs to the specified application; if the data packet does not belong to the specified application, the PGW drops the data packet, otherwise the PGW normally forwards the data packet.
  • the PGW receiving terminal closes the information of the packet-switched data, and the PGW transmits the data according to the information of the terminal closing the packet-switched data.
  • the terminal closes the packet-switched data service, in order to avoid the occurrence of the closed packet switching because the terminal does not notify the network.
  • Data service there is a problem of over-billing or dropped calls.
  • the terminal can notify the network of the event that the packet-switched data service is closed, and the operator can define a specified application (for example, defined as PS Data OFF Exempt services) even if the terminal closes the data.
  • the network also normally forwards data for specified applications (such as PS Data OFF Exempt services).
  • the UE when the UE closes the PS data, it sends the PS DATA OFF Exempt service information to the PGW through the application server, as follows:
  • the application server sends a first request message to the PCRF, where the message carries the prompt information, and the prompt information indicates that the data of the specified application can be continuously transmitted when the terminal closes the PS data, that is, the designated application can be defined as a PS DATA OFF Exempt service.
  • the PCRF sends a second request message to the PGW, and the message carries information related to the application (such as an application identifier or an IP stream filter) and a prompt message of the PS DATA OFF Exempt service.
  • the UE decides to disable the PS data service
  • the UE sends a third request message to the application server, where the message carries the prompt information for closing the PS data. It should be noted that when the UE decides to open the PS data service, the process is the same as above, except that the request message only carries the information of opening the PS data.
  • FIG. 2 a method for data transmission is shown, which specifically includes the following steps.
  • Step 200 The terminal sends a third request message to the application server, where the message carries the prompt information that the terminal closes the PS data.
  • Step 201 The application server sends a first request message to the PCRF, where the message carries the PS DATA OFF Exempt service prompt message.
  • the message may also carry related information of the service flow, such as an app ID or an IP filter.
  • the network can continue to transmit the data of the above PS Data OFF Exempt services to the terminal.
  • Step 202 The PCRF sends a second request message to the PGW, where the message carries related information of the application and PS data offexempt service information, where the related information of the application may be an app ID (should be Use the identifier) or IP filter (IP packet filter).
  • the related information of the application may be an app ID (should be Use the identifier) or IP filter (IP packet filter).
  • Step 203 The PGW sends a second acknowledgement message to the PCRF.
  • Step 204 The PCRF returns a first confirmation message to the application server.
  • Step 205 The application server returns a third confirmation message to the UE.
  • the steps 200 to 202 in the foregoing process only need to carry the prompt information for opening the PS data, and the specific process is not described here.
  • the PGW receives the closed PS data information, and the PGW transmits the data according to the information of the closed PS data.
  • the terminal closes the packet switched data service, in order to avoid the occurrence of the packet switched data service due to the terminal not notifying the network, there is excessive Billing or dropped calls.
  • the terminal can notify the network of the event that the packet switched data service has been closed, and the operator can define the specified application (for example, defined as PS Data OFF Exempt services) even if the terminal closes the packet switched data service, the network
  • the data of the specified application for example, PS Data OFF Exempt services
  • the UE sends a PS DATA OFF (PS Data Off) prompt to the PGW via control plane signaling.
  • PS DATA OFF PS Data Off
  • the UE sends a prompt message for closing the PS data service to the network: the UE sends a PS DATA OFF Exempt service information (such as an app ID or an IP filter) to the MME through a NAS (Non-Access-Stratum) message, and a prompt to close the PS data, and the MME passes the
  • the GTP-C (GPRS Tunneling Protocol Control Plane) message sends the above content to the SGW, and the SGW sends the content to the PGW through the GTP-C message.
  • GTP-C GPRS Tunneling Protocol Control Plane
  • the behavior of the PGW routing data is as follows: The PGW receives the data, and the PGW determines whether the UE to which the data belongs has closed the PS data service. If the UE has turned off the PS data service, the PGW determines whether the data belongs to the PS DATA OFF Exempt service, and if so, the PGW normally forwards the data, otherwise the PGW discards the data. If the UE does not turn off the PS data service, the PGW normally forwards the data.
  • Step 301 The UE sends a request bearer resource modification message to the MME, where the message includes a prompt for closing the PS data.
  • Step 302 The MME sends a bearer resource command message to the SGW, where the message includes a prompt to close the PS data.
  • Step 303 The SGW sends a bearer resource command message to the PGW, where the message includes a prompt to close the PS data.
  • Step 304 The PGW returns an update bearer request to the SGW, where the request carries the acknowledgement information.
  • Step 305 The SGW returns an update bearer request to the MME, where the request carries the acknowledgement information.
  • Step 306 The MME sends a session management request to the UE, where the request carries the confirmation information.
  • the above procedure is also applicable when the UE decides to open the PS data.
  • the parameters carried in the steps 301 to 303 in the above process are prompts for opening the PS data, and the specific process is not described here.
  • the PGW receives the closed PS data information, and the PGW transmits the data according to the information of the closed PS data.
  • the terminal closes the packet switched data service, in order to avoid the occurrence of the packet switched data service due to the terminal not notifying the network, there is excessive Billing or dropped calls.
  • the terminal can notify the network of the event that the packet switched data service has been closed, and the operator can define the specified application (for example, defined as PS Data OFF Exempt services) even if the terminal closes the packet switched data service, the network
  • the data of the specified application for example, PS Data OFF Exempt services
  • the UE sends information about opening/closing PS data to the network during the attach process, the PDN connection establishment process, or the TAU (Tracking Area Update) process. If the PS data is closed, the UE You will also need to provide information about the PS DATA OFF Exempt service.
  • the message of opening/closing PS data is carried in an attach request, a PDN connectivity request, or a TAU request (tracking area update request) message. If the PS data is closed, the message should also carry the PS DATA. OFF Exempt service information.
  • the MME When the MME sends a create session request to the SGW, the MME carries the above information in the message.
  • the SGW When the SGW sends a create session request to the PGW or modifies the bearer request, the SGW carries the above information in the message.
  • the PS DATA OFF Exempt service information stored in the PGW is as shown in the following table.
  • PS DATA OFF Exempt service Application information, such as app ID, or IP filter
  • the above information may be stored in the context of the UE, and the application information may also be a service data flow template defined in TS 23.203.
  • the PGW When the UE requests to close the PS data, if the PGW receives the data of the UE, the PGW matches the data with the application information in the above table, and if the matching result, the PGW normally forwards the data. If the match fails, the PGW discards the data.
  • the apparatus 400 includes: a receiving module 401 for receiving information that a terminal closes packet switched data; and a transmitting module 402 for shutting down according to a terminal.
  • Information transfer data for packet switched data is shown.
  • the receiving module is further configured to: receive, by the policy and charging rule function, the information sent by the terminal to close the packet exchange data.
  • the information that the terminal closes the packet-switched data is sent by the UE to the application server, and then sent by the application server to the PCRF.
  • the receiving module is further configured to: receive information that the terminal sent by the serving gateway SGW closes the packet exchange data.
  • the information that the terminal closes the packet-switched data is sent by the UE to the MME, and then sent by the MME to the SGW.
  • the information that the terminal closes the packet-switched data includes: the UE turns off the indication information of the packet-switched data and the related information of the specified application, and the network may continue to transmit the specified application to the UE when the UE closes the packet-switched data service.
  • the related information of the specified application may be an application identifier or an IP filter (IP packet filter).
  • the transmitting module is further configured to: if the UE closes the packet switched data service, when the receiving module receives the data packet, determine whether the data packet belongs to the specified application; if the data packet does not belong to the If the application is specified, the data packet is discarded, otherwise the data packet is normally forwarded.
  • the PGW receiving terminal closes the information of the packet-switched data, and the PGW transmits the data according to the information of the terminal closing the packet-switched data.
  • the terminal closes the packet-switched data service, in order to avoid the occurrence of the closed packet switching because the terminal does not notify the network.
  • Data service there is a problem of over-billing or dropped calls.
  • the terminal can notify the network that the packet-switched data service has been closed.
  • the operator can define a specified application (for example, defined as PS Data OFF Exempt services), and the network normally forwards data of a specified application (for example, PS Data OFF Exempt services) even if the terminal closes the data service.
  • a data transmission apparatus includes: a processor 504 for reading a program in the memory 505, performing the following process: receiving information that the terminal closes the packet switched data; and closing the packet exchange according to the terminal The information transmission data of the data; the transceiver 501 is configured to receive and transmit data under the control of the processor 504.
  • bus 500 can include any number of interconnected buses and bridges, and bus 500 will include one or more processors represented by processor 504 and memory represented by memory 505. The various circuits are linked together. The bus 500 can also link various other circuits, such as peripherals, voltage regulators, and power management circuits, as is known in the art, and therefore, will not be further described herein.
  • Bus interface 603 provides an interface between bus 500 and transceiver 501.
  • Transceiver 501 can be an element or a plurality of elements, such as a plurality of receivers and transmitters, providing means for communicating with various other devices on a transmission medium. Data processed by processor 504 is transmitted over wireless medium via antenna 502. Further, antenna 502 also receives data and transmits the data to processor 504.
  • the processor 504 is responsible for managing the bus 500 and the usual processing, and can also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions.
  • the memory 505 can be used to store data used by the processor 504 when performing operations.
  • the processor 504 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or a complex programmable Complex Programmable Logic Device (CPLD).
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • FPGA field-programmable gate array
  • CPLD complex programmable Complex Programmable Logic Device
  • the processor 504 receives the information that the terminal and the packet-switched data are sent by the terminal sent by the policy and charging rule function PCRF.
  • the information that the terminal closes the packet-switched data is sent by the UE to the application server, and then sent by the application server to the PCRF.
  • the processor 504 receives, by the serving gateway SGW, information that the terminal closes the packet exchange data.
  • the information that the terminal closes the packet-switched data is sent by the UE to the mobility management entity MME, and then sent by the MME to the SGW.
  • the information that the terminal closes the packet-switched data includes: the UE turns off the indication information of the packet-switched data and the related information of the specified application, and the network may continue to transmit the information to the UE when the UE closes the packet-switched data service.
  • the related information of the specified application may be an application identifier or an IP filter (IP packet filter).
  • the processor 504 is further configured to: if the UE turns off the packet switched data service, when the data packet is received, determine whether the data packet belongs to the specified application; if the data packet does not belong to the The specified application discards the data packet, otherwise the data packet is normally forwarded.
  • the PGW receiving terminal closes the information of the packet-switched data, and the PGW transmits the data according to the information of the terminal closing the packet-switched data.
  • the terminal closes the packet-switched data service, in order to avoid the occurrence of the closed packet switching because the terminal does not notify the network.
  • Data service there is a problem of over-billing or dropped calls.
  • the terminal can notify the network of the event that the packet-switched data service is closed, and the operator can define a specified application (for example, defined as PS Data OFF Exempt services) even if the terminal closes the packet.
  • the data service is exchanged, and the network also forwards the data of the specified application (for example, PS Data OFF Exempt services).
  • system and “network” are used interchangeably herein.
  • B corresponding to A means that B is associated with A, and B can be determined from A.
  • determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
  • the disclosed method and apparatus may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may be physically included separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the above software functional unit is stored in a storage medium and includes a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network side device, etc.) to perform part of the steps of the transceiving method of the various embodiments of the present disclosure.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, and the program code can be stored. Medium.

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Abstract

本公开实施例提供了一种数据传输的方法及装置, 该方法包括: PGW接收终端关闭分组交换数据的信息, PGW根据终端关闭分组交换数据的信息传输数据.

Description

一种数据传输的方法及装置
相关申请的交叉引用
本申请主张在2016年7月21日在中国提交的中国专利申请号No.201610581391.X的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域，尤其涉及一种数据传输的方法及装置。
背景技术
在相关技术中，当用户关闭数据业务，终端不会将该事件通知给网络。在上述方法中，应用服务器仍可能继续向终端发送下行数据，由于网络不知道终端已关闭数据业务，因此网络会继续向终端发送下行数据，并对这些数据计费，因此存在过度计费的问题。
另外，如果运营商只部署了PS(分组交换)业务，并通过IMS系统(IP多媒体子系统)向用户提供语音业务，当用户关闭数据业务时，终端不再接收从IMS系统下发的语音呼叫，因此导致用户无法接收到电话。
发明内容
鉴于上述技术问题，本公开实施例提供一种数据传输的方法及装置，解决相关技术中由于终端不向网络通知已关闭分组交换数据业务，存在过度计费或掉话的问题。
第一方面，提供了一种数据传输的方法，所述方法包括：分组数据网(Packet Data Network，PDN)网关PGW(PDN GateWay)接收终端关闭分组交换数据的信息；所述PGW根据所述终端关闭分组交换数据的信息传输数据。
可选地，所述PGW接收终端关闭分组交换数据的信息，包括：所述PGW接收策略和计费规则功能PCRF(Policy and Charging Rules Function)发送的所述终端关闭分组交换数据的信息。
可选地，所述终端关闭分组交换数据的信息由终端UE向应用服务器发送，再由所述应用服务器向PCRF发送。
可选地，所述PGW接收终端关闭分组交换数据的信息，包括：所述PGW 接收服务网关SGW(Serving Gateway)发送的所述终端关闭分组交换数据的信息。
可选地，所述终端关闭分组交换数据的信息由UE向移动性管理实体MME发送，再由所述MME向SGW发送。
可选地，所述终端关闭分组交换数据的信息包括：UE关闭分组交换数据的指示信息和指定应用的相关信息，在所述UE关闭分组交换数据业务时网络可继续向所述UE传输所述指定应用的数据。
可选地，所述根据所述终端关闭分组交换数据的信息传输数据，包括：如果UE关闭分组交换数据业务，当所述PGW接收到数据包时，判断所述数据包是否属于所述指定应用；如果所述数据包不属于所述指定应用，则所述PGW丢弃所述数据包，否则所述PGW正常转发所述数据包。
第二方面，还提供了一种数据传输的装置，所述装置包括：接收模块，用于接收终端关闭分组交换数据的信息；传输模块，用于根据所述终端关闭分组交换数据的信息传输数据。
可选地，所述接收模块进一步用于：接收策略和计费规则功能PCRF发送的所述终端关闭分组交换数据的信息。
可选地，所述终端关闭分组交换数据的信息由UE向应用服务器发送，再由所述应用服务器向PCRF发送。
可选地，所述接收模块进一步用于：接收服务网关SGW发送的所述终端关闭分组交换数据的信息。
可选地，所述终端关闭分组交换数据的信息由UE向移动性管理实体MME发送，再由MME向SGW发送。
可选地，所述终端关闭分组交换数据的信息包括：UE关闭分组交换数据的指示信息和指定应用的相关信息，在UE关闭分组交换数据业务时网络可继续向所述UE传输所述指定应用的数据。
可选地，所述传输模块进一步用于：如果所述UE关闭分组交换数据业务，当所述接收模块接收到数据包时，判断所述数据包是否属于所述指定应用；如果所述数据包不属于所述指定应用，则丢弃所述数据包，否则正常转发所述数据包。
上述技术方案中的一个技术方案具有如下优点或有益效果：PGW接收终端关闭分组交换数据的信息，PGW根据终端关闭分组交换数据的信息传输数据，当终端关闭分组交换数据业务时，为了避免出现由于终端不向网络通知已关闭分组交换数据业务，存在过度计费或掉话的问题上述问题，终端可以向网络通知分组交换数据业务已关闭的事件，运营商可以定义指定应用(例如定义为PS Data OFF Exempt services)，即使终端关闭分组交换数据业务，网络也正常转发指定应用(例如PS Data OFF Exempt services)的数据。
附图说明
图1为本公开一些实施例中的数据传输的方法的流程图；
图2为本公开一些实施例中UE关闭PS数据时，通过应用服务器向PGW发送PS DATA OFF Exempt service的信息的过程示意图；
图3为本公开一些实施例中UE通过控制面信令向PGW发送PS DATA OFF提示的过程示意图；
图4为本公开一些实施例中的数据传输的装置的框图；
图5为本公开一些实施例中的数据传输的装置的框图。
具体实施方式
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例，然而应当理解，可以以各种形式实现本公开而不应被这里传输的实施例所限制。相反，提供这些实施例是为了能够更透彻地理解本公开，并且能够将本公开的范围完整的传达给本领域的技术人员。
本领域技术人员知道，本公开的实施方式可以实现为一种系统、装置、设备、方法或计算机程序产品。因此，本公开的实施例可以具体实现为以下形式：完全的硬件、完全的软件(包括固件、驻留软件、微代码等)，或者硬件和软件结合的形式。
需要说明的是，本公开的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区分类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便在这里描述的本公开的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含， 例如一系列步骤或单元的，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其他步骤或单元。
需要说明的是，在不冲突的情况下，本公开的实施例以及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本公开的技术方案。
在一些实施例中，参见图1，图中示出了一种数据传输的方法，具体包括以下步骤。
步骤101、PGW(PDN网关)接收终端关闭分组交换数据的信息，然后进入步骤102；
可选地，上述终端关闭分组交换数据的信息表示UE关闭PS数据业务。
可选方式一：PGW接收PCRF(策略和计费规则功能)发送的关闭数据信息。该关闭数据信息由UE向应用服务器发送，再由应用服务器向PCRF发送。
可选方式二：PGW接收SGW(服务网关)发送的关闭数据信息。该关闭PS数据信息由UE向MME(移动性管理实体)发送，再由MME消息向SGW发送。
可选地，终端关闭分组交换数据的信息包括：UE关闭分组交换数据的指示信息和指定应用的相关信息，在UE关闭分组交换数据业务时网络可继续向UE传输指定应用的数据。其中，指定应用的相关信息可以是应用标识，也可以是IP filter(IP包过滤器)。
当终端关闭数据业务时，为了避免出现由于终端不向网络通知已关闭分组交换数据业务，存在过度计费或掉话的问题，终端可以向网络通知分组交换数据业务已关闭的事件。为了解决掉话的问题，运营商可以定义指定应用(例如PS Data OFF Exempt services)，即使终端关闭分组交换数据业务，网络也正常转发指定应用(例如PS Data OFF Exempt services)的数据。指定应用(例如PS Data OFF Exempt services)的示例可以为IMS语音业务，IMS短消息业务，IMS视频呼叫，基于PS域的设备管理等，当然也并不限于此。
步骤102、PGW根据终端关闭分组交换数据的信息传输数据。
例如，如果UE关闭数据，当PGW接收到数据包时，PGW判断数据包 是否属于指定应用；如果数据包不属于指定应用，则PGW丢弃数据包，否则PGW正常转发数据包。
在本实施例中，PGW接收终端关闭分组交换数据的信息，PGW根据终端关闭分组交换数据的信息传输数据，当终端关闭分组交换数据业务时，为了避免出现由于终端不向网络通知已关闭分组交换数据业务，存在过度计费或掉话的问题上述问题，终端可以向网络通知分组交换数据业务已关闭的事件，运营商可以定义指定应用(例如定义为PS Data OFF Exempt services)，即使终端关闭数据业务，网络也正常转发指定应用(例如PS Data OFF Exempt services)的数据。
在一些实施例中，UE关闭PS数据时，其通过应用服务器向PGW发送PS DATA OFF Exempt service的信息的过程，具体过程如下：
应用服务器向PCRF发送第一请求消息，消息中携带有提示信息，该提示信息表明终端关闭PS数据时可继续传输该指定应用的数据，即该指定应用可以定义为PS DATA OFF Exempt service。PCRF向PGW发送第二请求消息，消息中携带与应用相关的信息(如应用标识或IP流过滤器)和PS DATA OFF Exempt service的提示信息。当UE决定关闭PS数据业务时，UE向应用服务器发送第三请求消息，消息中携带关闭PS数据的提示信息。需要说明的是，当UE决定打开PS数据业务时，过程同上，区别在于上述请求消息中只携带打开PS数据的信息。
参见图2，图中示出了一种数据传输的方法，具体包括以下步骤。
步骤200、终端向应用服务器发送第三请求消息，消息中携带终端关闭PS数据的提示信息。
步骤201、应用服务器向PCRF发送第一请求消息，消息中携带PS DATA OFF Exempt service提示信息，另外，消息中还可能携带业务流的相关信息，例如app ID或IP filter。
在终端关闭PS数据业务时，网络可继续向终端传输上述PS Data OFF Exempt services的数据。
步骤202、PCRF向PGW发送第二请求消息，消息中携带应用的相关信息和PS data offexempt service信息，其中应用的相关信息可以是app ID(应 用标识)或IP filter(IP包过滤器)。
步骤203、PGW向PCRF发送第二确认消息。
步骤204、PCRF向应用服务器返回第一确认消息。
步骤205、应用服务器向UE返回第三确认消息。
在该实施例中，当UE重新打开PS数据业务时，上述过程中的步骤200至202中只需要携带打开PS数据的提示信息，具体流程在此不再敷述。
在本实施例中，PGW接收关闭PS数据信息，PGW根据关闭PS数据的信息传输数据，当终端关闭分组交换数据业务时，为了避免出现由于终端不向网络通知已关闭分组交换数据业务，存在过度计费或掉话的问题上述问题，终端可以向网络通知分组交换数据业务已关闭的事件，运营商可以定义指定应用(例如定义为PS Data OFF Exempt services)，即使终端关闭分组交换数据业务，网络也正常转发指定应用(例如PS Data OFF Exempt services)的数据。
在一些实施例中，UE通过控制面信令向PGW发送PS DATA OFF(PS数据关闭)提示的过程。
UE向网络发送关闭PS数据业务的提示信息：UE通过NAS(Non-Access-Stratum)消息向MME发送PS DATA OFF Exempt service的信息(如app ID或IP filter)和关闭PS数据的提示，MME通过GTP-C(GPRS隧道协议控制面)消息将上述内容发送给SGW，SGW通过GTP-C消息将上述内容发送给PGW。需要说明的是，当UE决定打开PS数据业务时，过程同上，区别在于上述请求消息中只携带打开PS数据的信息。
PGW路由数据的行为如下：PGW接收到数据，PGW判断该数据所属的UE是否已关闭PS数据业务。如果该UE已关闭PS数据业务，则PGW判断该数据是否属于PS DATA OFF Exempt service，如果属于，则PGW正常转发该数据，否则PGW丢弃该数据。如果该UE未关闭PS数据业务，则PGW正常转发数据。
参见图3，图中示出了一种数据传输的方法，具体步骤如下：
步骤301、UE向MME发送请求承载资源修改消息，消息中包括关闭PS数据的提示；
步骤302、MME向SGW发送承载资源命令消息，消息中包括关闭PS数据的提示；
步骤303、SGW向PGW发送承载资源命令消息，消息中包括关闭PS数据的提示；
步骤304、PGW向SGW返回更新承载请求，请求中携带确认信息。
步骤305、SGW向MME返回更新承载请求，请求中携带确认信息。
步骤306、MME向UE发送会话管理请求，请求中携带确认信息。
另外，当UE决定打开PS数据时，上述过程同样适用。此时上述过程中步骤301至303中携带的参数是打开PS数据的提示，具体过程在此不再敷述。
在本实施例中，PGW接收关闭PS数据信息，PGW根据关闭PS数据的信息传输数据，当终端关闭分组交换数据业务时，为了避免出现由于终端不向网络通知已关闭分组交换数据业务，存在过度计费或掉话的问题上述问题，终端可以向网络通知分组交换数据业务已关闭的事件，运营商可以定义指定应用(例如定义为PS Data OFF Exempt services)，即使终端关闭分组交换数据业务，网络也正常转发指定应用(例如PS Data OFF Exempt services)的数据。
在一些实施例中，在上述实施例的基础上，UE在附着过程、PDN连接建立过程或TAU(跟踪区更新)过程中向网络发送打开/关闭PS数据的信息，如果是关闭PS数据，UE还需要提供PS DATA OFF Exempt service的信息。
在attach request(附着请求)、PDN connectivity request(PDN连接请求)或TAU request(跟踪区更新请求)消息中携带打开/关闭PS数据的提示信息，如果是关闭PS数据，消息中还应该携带PS DATA OFF Exempt service的信息。
MME向SGW发送create session request(创建会话请求)时，MME在消息中携带上述信息。
SGW向PGW发送create session request(创建会话请求)或修改承载请求时，SGW在消息中携带上述信息。
在一些实施例中，在上述实施例的基础上，PGW中保存的PS DATA OFF Exempt service信息，如下表所示。
PS DATA OFF Exempt service 应用信息，例如app ID，或IP filter
上述信息可以存储在UE的上下文中，上述应用信息也可以是TS 23.203中定义的service data flow template(业务数据流模板)。
当UE请求关闭PS数据时，如果PGW接收到该UE的数据，PGW匹配该数据与上表中的应用信息，如果匹配成果，则PGW正常转发该数据。如果匹配失败，则PGW丢弃数据。
在一些实施例中，参见图4，图中示出了一种数据传输的装置，装置400包括：接收模块401，用于接收终端关闭分组交换数据的信息；传输模块402，用于根据终端关闭分组交换数据的信息传输数据。
可选地，所述接收模块进一步用于：接收策略和计费规则功能PCRF发送的所述终端关闭分组交换数据的信息。
可选地，所述终端关闭分组交换数据的信息由UE向应用服务器发送，再由所述应用服务器向PCRF发送。
可选地，所述接收模块进一步用于：接收服务网关SGW发送的所述终端关闭分组交换数据的信息。
可选地，所述终端关闭分组交换数据的信息由UE向MME发送，再由MME向SGW发送。
可选地，所述终端关闭分组交换数据的信息包括：UE关闭分组交换数据的指示信息和指定应用的相关信息，在UE关闭分组交换数据业务时网络可继续向所述UE传输所述指定应用的数据。其中，指定应用的相关信息可以是应用标识，也可以是IP filter(IP包过滤器)。
可选地，所述传输模块进一步用于：如果UE关闭分组交换数据业务，当接收模块接收到数据包时，判断所述数据包是否属于所述指定应用；如果所述数据包不属于所述指定应用，则丢弃所述数据包，否则正常转发所述数据包。
在本实施例中，PGW接收终端关闭分组交换数据的信息，PGW根据终端关闭分组交换数据的信息传输数据，当终端关闭分组交换数据业务时，为了避免出现由于终端不向网络通知已关闭分组交换数据业务，存在过度计费或掉话的问题上述问题，终端可以向网络通知分组交换数据业务已关闭的事 件，例如运营商可以定义指定应用(例如定义为PS Data OFF Exempt services)，即使终端关闭数据业务，网络也正常转发指定应用(例如PS Data OFF Exempt services)的数据。
在一些实施例中，参见图5，一种数据传输装置，包括：处理器504，用于读取存储器505中的程序，执行下列过程：接收终端关闭分组交换数据的信息；根据终端关闭分组交换数据的信息传输数据；收发机501，用于在处理器504的控制下接收和发送数据。
在图5中，总线架构(用总线500来代表)，总线500可以包括任意数量的互联的总线和桥，总线500将包括由处理器504代表的一个或多个处理器和存储器505代表的存储器的各种电路链接在一起。总线500还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口603在总线500和收发机501之间提供接口。收发机501可以是一个元件，也可以是多个元件，比如多个接收器和发送器，提供用于在传输介质上与各种其他装置通信的单元。经处理器504处理的数据通过天线502在无线介质上进行传输，进一步，天线502还接收数据并将数据传送给处理器504。
处理器504负责管理总线500和通常的处理，还可以提供各种功能，包括定时，外围接口，电压调节、电源管理以及其他控制功能。而存储器505可以被用于存储处理器504在执行操作时所使用的数据。
可选的，处理器504可以是中央处理器(Central Processing Unit，CPU)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field-Programmable Gate Array，FPGA)或复杂可编程逻辑器件(Complex Programmable Logic Device，CPLD)。
可选的，处理器504接收策略和计费规则功能PCRF发送的所述终端关闭分组交换数据的信息。
可选的，所述终端关闭分组交换数据的信息由UE向应用服务器发送，再由所述应用服务器向PCRF发送。
可选的，处理器504接收服务网关SGW发送的所述终端关闭分组交换数据的信息。
可选的，所述终端关闭分组交换数据的信息由UE向移动性管理实体MME发送，再由所述MME向SGW发送。
可选的，所述终端关闭分组交换数据的信息包括：UE关闭分组交换数据的指示信息和指定应用的相关信息，在所述UE关闭分组交换数据业务时网络可继续向所述UE传输所述指定应用的数据。其中，指定应用的相关信息可以是应用标识，也可以是IP filter(IP包过滤器)。
可选的，处理器504还用于执行下述步骤：如果UE关闭分组交换数据业务，当接收到数据包时，判断所述数据包是否属于所述指定应用；如果所述数据包不属于所述指定应用，则丢弃所述数据包，否则正常转发所述数据包。
在本实施例中，PGW接收终端关闭分组交换数据的信息，PGW根据终端关闭分组交换数据的信息传输数据，当终端关闭分组交换数据业务时，为了避免出现由于终端不向网络通知已关闭分组交换数据业务，存在过度计费或掉话的问题上述问题，终端可以向网络通知分组交换数据业务已关闭的事件，运营商可以定义指定应用(例如定义为PS Data OFF Exempt services)，即使终端关闭分组交换数据业务，网络也正常转发指定应用(例如PS Data OFF Exempt services)的数据。
应理解，说明书通篇中提到的“一个实施例”或“一实施例”意味着与实施例有关的特定特征、结构或特性包括在本公开的至少一个实施例中。因此，在整个说明书各处出现的“在一个实施例中”或“在一实施例中”未必一定指相同的实施例。此外，这些特定的特征、结构或特性可以任意适合的方式结合在一个或多个实施例中。
在本公开的各种实施例中，应理解，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本公开实施例的实施过程构成任何限定。
另外，本文中术语“系统”和“网络”在本文中常可互换使用。
应理解，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前 后关联对象是一种“或”的关系。
在本申请所提供的实施例中，应理解，“与A相应的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。
在本申请所提供的几个实施例中，应该理解到，所揭露方法和装置，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
另外，在本公开各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理包括，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
上述以软件功能单元的形式实现的集成的单元，可以存储在一个计算机可读取存储介质中。上述软件功能单元存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络侧设备等)执行本公开各个实施例所述收发方法的部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，简称ROM)、随机存取存储器(Random Access Memory，简称RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述的是本公开的优选实施方式，应当指出对于本技术领域的普通人员来说，在不脱离本公开所述的原理前提下还可以做出若干改进和润饰，这些改进和润饰也在本公开的保护范围内。

Claims (15)

  1. 一种数据传输的方法，包括：
    分组数据网PDN网关PGW接收终端关闭分组交换数据的信息；
    所述PGW根据所述终端关闭分组交换数据的信息传输数据。
  2. 根据权利要求1所述的方法，其中，所述PGW接收终端关闭分组交换数据的信息，包括：
    所述PGW接收策略和计费规则功能PCRF发送的所述终端关闭分组交换数据的信息。
  3. 根据权利要求2所述的方法，其中，
    所述终端关闭分组交换数据的信息由终端UE向应用服务器发送，再由所述应用服务器向PCRF发送。
  4. 根据权利要求1所述的方法，其中，所述PGW接收终端关闭分组交换数据的信息，包括：
    所述PGW接收服务网关SGW发送的所述终端关闭分组交换数据的信息。
  5. 根据权利要求4所述的方法，其中，
    所述终端关闭分组交换数据的信息由UE向移动性管理实体MME发送，再由所述MME向SGW发送。
  6. 根据权利要求1所述的方法，其中，所述终端关闭分组交换数据的信息包括：UE关闭分组交换数据的指示信息和指定应用的相关信息，在所述UE关闭分组交换数据业务时网络可继续向所述UE传输所述指定应用的数据。
  7. 根据权利要求6所述的方法，其中，所述根据所述终端关闭分组交换数据的信息传输数据，包括：
    如果UE关闭分组交换数据业务，当所述PGW接收到数据包时，判断所述数据包是否属于所述指定应用；
    如果所述数据包不属于所述指定应用，则所述PGW丢弃所述数据包，否则所述PGW正常转发所述数据包。
  8. 一种数据传输装置，包括：
    接收模块，用于接收终端关闭分组交换数据的信息；
    传输模块，用于根据所述终端关闭分组交换数据的信息传输数据。
  9. 根据权利要求8所述的装置，其中，所述接收模块进一步用于：
    接收策略和计费规则功能PCRF发送的所述终端关闭分组交换数据的信息。
  10. 根据权利要求9所述的装置，其中，
    所述终端关闭分组交换数据的信息由UE向应用服务器发送，再由所述应用服务器向PCRF发送。
  11. 根据权利要求8所述的装置，其中，所述接收模块进一步用于：
    接收服务网关SGW发送的所述终端关闭分组交换数据的信息。
  12. 根据权利要求11所述的装置，其中，
    所述终端关闭分组交换数据的信息由UE向移动性管理实体MME发送，再由MME向SGW发送。
  13. 根据权利要求8所述的装置，其中，所述终端关闭分组交换数据的信息包括：UE关闭分组交换数据的指示信息和指定应用的相关信息，在UE关闭分组交换数据业务时网络可继续向所述UE传输所述指定应用的数据。
  14. 根据权利要求13所述的装置，其中，所述传输模块进一步用于：
    如果所述UE关闭分组交换数据业务，当所述接收模块接收到数据包时，判断所述数据包是否属于所述指定应用；
    如果所述数据包不属于所述指定应用，则丢弃所述数据包，否则正常转发所述数据包。
  15. 一种数据传输装置，包括：
    存储器，
    处理器，用于读取存储器中的程序，执行下列过程：接收终端关闭分组交换数据的信息；并且根据终端关闭分组交换数据的信息传输数据；以及
    收发机，用于接收和发送数据。
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