WO2015120601A1 - 移动通信网络检测方法和装置 - Google Patents

移动通信网络检测方法和装置 Download PDF

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Publication number
WO2015120601A1
WO2015120601A1 PCT/CN2014/072045 CN2014072045W WO2015120601A1 WO 2015120601 A1 WO2015120601 A1 WO 2015120601A1 CN 2014072045 W CN2014072045 W CN 2014072045W WO 2015120601 A1 WO2015120601 A1 WO 2015120601A1
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WO
WIPO (PCT)
Prior art keywords
service
network element
data flow
network
service quality
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PCT/CN2014/072045
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English (en)
French (fr)
Inventor
刘会勇
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华为技术有限公司
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to JP2016551845A priority Critical patent/JP6273540B2/ja
Priority to RU2016136580A priority patent/RU2649746C2/ru
Priority to CN201480003367.7A priority patent/CN105075183B/zh
Priority to PCT/CN2014/072045 priority patent/WO2015120601A1/zh
Priority to EP14882362.8A priority patent/EP3099014B1/en
Publication of WO2015120601A1 publication Critical patent/WO2015120601A1/zh
Priority to US15/235,437 priority patent/US10075870B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/0268Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50Network service management, e.g. ensuring proper service fulfilment according to agreements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/06Generation of reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/08Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/091Measuring contribution of individual network components to actual service level
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/10Active monitoring, e.g. heartbeat, ping or trace-route
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/16Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/24Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/12Setup of transport tunnels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/14Network analysis or design
    • H04L41/142Network analysis or design using statistical or mathematical methods
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5032Generating service level reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5061Network service management, e.g. ensuring proper service fulfilment according to agreements characterised by the interaction between service providers and their network customers, e.g. customer relationship management
    • H04L41/5067Customer-centric QoS measurements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/06Generation of reports
    • H04L43/062Generation of reports related to network traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/12Network monitoring probes

Definitions

  • Embodiments of the present invention relate to communication technologies, and in particular, to a mobile communication network detection method and apparatus. Background technique
  • SAE System Architecture Evolution
  • the SAE system architecture spans multiple different domains and devices. Therefore, the services in the SAE system can also span different devices in different domains.
  • the network operation and maintenance of the SAE system is still based on the maintenance of a single network element, and the network element is supported.
  • the Element Management System provides operation and maintenance for a single device. This single-network element-based operation and maintenance method is far from satisfactory for operation and maintenance. To improve network operation and maintenance, it is based on end-to-end (End). The visual operation of to End, E2E) will become a potential requirement.
  • the 3GPP standard defines the E2E trace (E2E Trace), which provides tracking of the signaling process. It can be used for service access and service maintenance diagnosis, so that E2E visualization of the signaling process can be realized. Operation and maintenance. However, the problems of the user's service integrity experience, such as the loss of the voice call caused by the loss of the message, or even the mute, etc., need to be performed by the user tracking packet capture or the network element external probe probe packet analysis and other technical means. Troubleshoot the diagnosis. The method of excluding network elements or interfaces one by one is time-consuming and laborious, the positioning time is long, and the operation and maintenance efficiency is low. Summary of the invention
  • Embodiments of the present invention provide a mobile communication network detection method and apparatus for efficiently detecting service quality of service transmission.
  • the first aspect provides a network operation and maintenance method, including:
  • the network element management device receives the service quality information sent by the plurality of network element devices on the transmission path of the service data flow, where the service quality information is used to instruct the network element device to transmit the service The service quality of the data stream, the plurality of network element devices including the base station device and the core network device; the network element management device determining the service data flow according to the service quality information sent by the multiple network element devices The quality of service of the transmission path.
  • the service quality information sent by the base station device is a received service quality of a PDCP data packet that carries the service data flow. information.
  • the service quality information sent by the base station device is received The quality of service information of the GTP data packet carrying the service data flow and the quality of service information of the transmitted PDCP data packet carrying the service data flow.
  • the service quality information sent by the core network device is the received bearer.
  • the service quality information sent by the base station device and the core network device is a received service protocol that carries the service data flow.
  • a fifth possible implementation manner when the service data flow is a downlink data flow, the service quality information sent by the base station device is received And the service quality information of the service protocol data packet that is sent by the core network device, where the service quality information sent by the core network device is the service quality of the received service protocol data packet that carries the service data flow;
  • the service protocol is based on a service attribute of the service data flow.
  • the service protocol includes an RTP.
  • the method further includes:
  • the network element management device generates a statistics map according to the service quality information sent by the multiple network element devices, where the statistical graph is used to indicate a change in the quality of service of the transmission path.
  • the method further includes:
  • the network element management device sends the detection indication information to the plurality of network element devices, where the detection indication information is used to indicate that the network element device is configured to transmit the service quality of the service data flow.
  • the network element management device sends the detection indication information to the multiple network element devices, including:
  • the network element management device sends an end-to-end tracking task activation signaling to the network control network element, where the end-to-end tracking task activation signaling includes the detection indication information, so that the network control network element goes to the Transmitting, by the plurality of network element devices, the detection indication information;
  • the network element management device sends the end-to-end tracking task activation signaling to the home subscriber server, so that after the home subscriber server sends the detection indication information to the network control network element, the network control The network element sends the detection indication information to the multiple network element devices.
  • the end-to-end tracking task activation signaling further includes information about the network element to be detected, so that the network control network The element sends the detection indication information to the to-be-detected network element device.
  • the end-to-end tracking task activation signaling further includes a task type cell, where the task type is The cell is configured to instruct the multiple network element devices to send a tracking signaling message and/or the detection indication information to the network element management device.
  • the core network device includes a serving gateway and a data gateway.
  • the quality of service information includes packet loss ratio and jitter of the data packet. , delay or MOS value.
  • a second aspect provides a mobile communication network detecting apparatus, including: a receiving module, configured to receive quality of service information sent by a plurality of network element devices on a transmission path of the service data stream, where the quality of service information is used to indicate that the network element device transmits the service quality of the service data stream
  • the plurality of network element devices include a base station device and a core network device.
  • the processing module is configured to determine a service quality of the transmission path of the service data flow according to the quality of service information sent by the multiple network element devices.
  • the service quality information sent by the base station device is a received service quality of a PDCP data packet that carries the service data flow. information.
  • the service quality information sent by the base station device is received The quality of service information of the GTP data packet carrying the service data flow and the quality of service information of the transmitted PDCP data packet carrying the service data flow.
  • the service quality information sent by the core network device is the received bearer.
  • the service quality information sent by the base station device and the core network device is a received service protocol that carries the service data flow.
  • the service quality information sent by the base station device is received And the service quality information of the service protocol data packet that is sent by the core network device, where the service quality information sent by the core network device is the service quality of the received service protocol data packet that carries the service data flow;
  • the service protocol is based on a service attribute of the service data flow.
  • the service protocol includes an RTP.
  • the processing module is specifically configured to be used according to the multiple network element devices
  • the transmitted quality of service information determines the quality of service on the transmission path of the service data stream The worst network element device.
  • the mobile communication network detecting apparatus further includes:
  • a generating module configured to generate a statistical map according to the quality of service information sent by the multiple network element devices, where the statistical graph is used to indicate a change in the quality of service of the transmission path.
  • the mobile communication network detecting apparatus further includes:
  • a sending module configured to send the detection indication information to the multiple network element devices, where the detection indication information is used to indicate that the network element device is configured to transmit the service quality of the service data flow.
  • the sending module is specifically configured to send an end-to-end tracking task activation signaling to the network control network element, where the end-to-end
  • the tracking task activation signaling includes the detection indication information, so that the network control network element sends the detection indication information to the multiple network element devices; or sends the end-to-end tracking task activation to a home subscriber server.
  • the network control network element After the signaling, so that the home subscriber server sends the detection indication information to the network control network element, the network control network element sends the detection indication information to the multiple network element devices.
  • the end-to-end tracking task activation signaling further includes information about the network element to be detected, so that the network control network The element sends the detection indication information to the to-be-detected network element device.
  • the end-to-end tracking task activation signaling further includes a task type cell, where the task type The cell is configured to instruct the multiple network element devices to send a tracking signaling message and/or the detection indication information to the network element management device.
  • the core network device includes a serving gateway and a data gateway.
  • the quality of service information includes packet loss ratio and jitter of the data packet. , delay or MOS value.
  • a third aspect provides a mobile communication network detecting apparatus, including: a receiver, configured to receive quality of service information sent by a plurality of network element devices on a transmission path of the service data stream, where the quality of service information is used to indicate that the network element device transmits the service quality of the service data stream
  • the plurality of network element devices include a base station device and a core network device;
  • a processor configured to determine a quality of service of the transmission path of the service data flow according to service quality information sent by the multiple network element devices received from the receiver.
  • the service quality information sent by the base station device is a received service quality of a PDCP data packet that carries the service data flow. information.
  • the service quality information sent by the base station device is received The quality of service information of the GTP data packet carrying the service data flow and the quality of service information of the transmitted PDCP data packet carrying the service data flow.
  • the service quality information sent by the core network device is the received bearer.
  • the service quality information sent by the base station device and the core network device is a received service protocol that carries the service data flow.
  • the service quality information sent by the base station device is received And the service quality information of the service protocol data packet that is sent by the core network device, where the service quality information sent by the core network device is the service quality of the received service protocol data packet that carries the service data flow;
  • the service protocol is based on a service attribute of the service data flow.
  • the service protocol includes an RTP.
  • the processor is specifically configured to receive according to the received from the receiver The quality of service information sent by the plurality of network element devices determines the transmission of the service data stream The network element device with the worst service quality on the transmission path.
  • the processor is further configured to receive, according to the receiving from the receiver
  • the service quality information generated by the plurality of network element devices generates a statistical chart, where the statistical chart is used to indicate a change in the quality of service of the transmission path.
  • the mobile communication network detecting apparatus further includes:
  • a transmitter configured to send the detection indication information to the multiple network element devices, where the detection indication information is used to indicate that the network element device is configured to transmit the service quality of the service data flow.
  • the transmitter is specifically configured to send an end-to-end tracking task activation signaling to the network control network element, where the end-to-end
  • the tracking task activation signaling includes the detection indication information, so that the network control network element sends the detection indication information to the multiple network element devices; or sends the end-to-end tracking task activation to a home subscriber server.
  • the network control network element After the signaling, so that the home subscriber server sends the detection indication information to the network control network element, the network control network element sends the detection indication information to the multiple network element devices.
  • the end-to-end tracking task activation signaling further includes information about the network element to be detected, so that the network control network The element sends the detection indication information to the to-be-detected network element device.
  • the end-to-end tracking task activation signaling further includes a task type cell, where the task type is The cell is configured to instruct the multiple network element devices to send a tracking signaling message and/or the detection indication information to the network element management device.
  • the core network device includes a serving gateway and a data gateway.
  • the service quality information includes packet loss ratio and jitter of the data packet. , delay or MOS value.
  • Mobile communication network detection method and device provided by embodiment of the present invention, through network element management system
  • the service quality information transmitted by the plurality of network element devices on the transmission path of the service data stream is transmitted, so that the network element management system can quickly transmit the service quality information of the service data stream by comparing the network element devices. Detecting the service quality of the service data stream transmission, facilitating rapid location problems, improving operation and maintenance efficiency for the service experience, and saving operation and maintenance costs.
  • FIG. 1 is a schematic structural diagram of an LTE network in a SAE system
  • FIG. 2 is a schematic diagram of an E2E service signaling and media plane transmission path
  • FIG. 3 is a schematic diagram of an E2E Trace tracking architecture of an LTE network and an IMS network;
  • Figure 4 is a schematic diagram of the E2E Trace trace architecture of the G/U network
  • FIG. 5 is a schematic diagram of a user tracking packet capture of a network element and a packet capture of a network element external interface
  • FIG. 6 is a flowchart of Embodiment 1 of a mobile communication network detection method according to an embodiment of the present invention
  • FIG. A signaling flow chart for carrying a property to detect quality of service information of the network
  • Figure 8 is a signaling flow diagram for detecting service quality information of a network based on service application attributes
  • FIG. 9 is a flow chart of signaling of IPQoS detection indication information in a scenario in which a user accesses an MME in an LTE network;
  • 10 is a flow chart of signaling of IPQoS detection indication information in a scenario in which a user has access to an MME in an LTE network;
  • FIG. 11 is a schematic structural diagram of Embodiment 1 of a mobile communication network detecting apparatus according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of Embodiment 2 of a mobile communication network detecting apparatus according to an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of Embodiment 3 of a mobile communication network detecting apparatus according to an embodiment of the present disclosure
  • FIG. 14 is a schematic structural diagram of Embodiment 4 of a mobile communication network detecting apparatus according to an embodiment of the present disclosure
  • FIG. 15 is a schematic structural diagram of Embodiment 5 of a mobile communication network detecting apparatus according to an embodiment of the present invention. detailed description
  • LTE Long Term Evolution
  • IMS IP Multimedia Subsystem
  • GSM Global System for Mobile Communications
  • EDGE Enhanced Data Rate for GSM Evolution
  • GERAN/UTRAN Universal Terrestrial Radio Access
  • G/U Global System for Mobile Communications
  • Different areas such as /U, and the existing network operation and maintenance method can be used for signaling tracking by using the E2E Trace process, which can be used for operation and maintenance diagnosis of service access and service maintenance.
  • the problem of the end-to-end transmission service quality of the service is related to multiple network element devices on the entire service transmission path, and can only be performed by a single network element packet capture analysis and other technical means, and the detection efficiency is low.
  • the embodiment of the invention provides a mobile communication network detection method, which solves the problem of low efficiency in the prior art when detecting service end-to-end transmission quality of service.
  • the mobile communication network detection method provided by the embodiment of the present invention is not limited to the network format. In any mobile communication network, the mobile communication network detection method provided by the embodiment of the present invention can be used to efficiently detect the end-to-end service transmission.
  • the Evolved Universal Terrestrial Radio Access Network (E-UTRAN) 11 is used to implement all functions related to the evolution of the network wireless.
  • the Mobility Management Entity (MME) 12 is responsible for the mobility management of the control plane, including user context and mobility state management, and assigning user temporary identity.
  • the Serving Gateway (SGW) 13 is the user plane anchor between the 3GPP access systems, and terminates the ETURAN interface.
  • the Packet Data Gateway Entity (PDN Gateway, PGW) 14 is a user plane anchor between the 3GPP access system and the non-3GPP access system, terminating the interface with the Packet Data Network (PDN).
  • the Policy and Charging Rule Function (PCRF) 15 is used for policy control decisions and flow accounting control functions.
  • the Home Subscriber Server (HSS) 16 is used to store user subscription information.
  • the HSS 16 is connected to the MME 12 through the S6a interface, the MME 12 is connected to the E-UTRAN 11 through the S1-MME interface, the MME 12 is connected to the SGW 13 through the S11 interface, the E-UTRAN 11 is connected to the SGW 13 through the S1-U interface, and the SGW 13 is connected to the PGW 14 through the S5/S8 interface.
  • PGW is connected to PCRF.
  • User Equipment (UE) 17 accesses the network through E-UTRAN 11.
  • the voice service will also be switched from the traditional circuit switched network (Circuit Switched, CS) to the LTE network.
  • Circuit Switched Circuit Switched
  • CS Circuit Switched
  • the system includes LTE network 210, LTE network 220, IMS network 230, PSTN network 240, and G/U network.
  • the LTE network 210 specifically includes network elements such as the MME 211, the E-UTRAN 212, the SGW 213, and the PGW 214.
  • the IMS network 230 includes a Session Border Controller (Proxy Call Session Control Function) (SBC (P-CSCF)). 231, SBC (P-CSCF) 232, Interrogating/Serving CSCF (I/S-CSCF) 233, IP Multimedia Media Gateway (IM-MGW) 234, media gateway control function ( The media gateway control function (MGCF) 235, the egress gateway control function (BGCF) 236, the application server (Application Server, AS) 237 and other network elements.
  • SBC Session Border Controller
  • SBC Packet Control Function
  • I/S-CSCF Interrogating/Serving CSCF
  • IM-MGW IP Multimedia Media Gateway
  • MGCF media gateway control function
  • BGCF egress gateway control function
  • AS Application Server
  • the UE 218 accesses the LTE network 210
  • the UE 228 accesses the LTE network 220
  • the IMS network 230 accesses the PSTN network 240
  • the UE 258 accesses the G/U network 250.
  • the HSS 260 is connected to the MME 211 in the LTE network 210 and the I/S-CSCF 233 and AS 237 in the IMS network.
  • the HSS 260 is also connected to the related network elements in the LTE network 220, the PSTN network 240, and the G/U network 250 (not shown in FIG. 2). show) .
  • the EMS270 is connected to the HSS260.
  • the other connections between the NEs are shown in Figure 2.
  • the voice signaling transmission path from the UE 218 to the UE 228 sequentially passes through the UE 218, the E-UTRAN 212, the MME 211, the SGW 213, the PGW 214, and the SBC (P- CSCF) 231,
  • I/S-CSCF 233 I/S-CSCF 233, SBC (P-CSCF) 232, LTE network 220, UE 228, as shown by path 280 in the figure; and the voice media transmission path from UE 218 to UE 228 sequentially passes through UE 218,
  • E-UTRAN212 SGW213, PGW214, SBC (P-CSCF) 231, SBC (P-CSCF)
  • the signaling and media planes of LTE voice services will span different domains and devices.
  • data services will span different domains and devices.
  • the service transmission based on the SAE system can span multiple different domains and devices.
  • the operation and maintenance mode based on a single network element cannot meet the operation and maintenance requirements.
  • the E2E Trace tracking feature provides a method for tracking and collecting signaling messages of each network element interface.
  • the EMS can construct a complete E2E based on signaling messages reported by each network element. Views, which enable E2E visual operation and maintenance of the signaling process.
  • E2E Trace can perform operation and maintenance diagnosis based on E2E for service access and service maintenance.
  • the problem of the end-to-end transmission quality of the service involving the user such as the loss of the message, causes the voice call to be interrupted or even muted, and the packet tracking analysis or the external interface probe of the network element is required to be analyzed by the user in the network element.
  • FIG. 3 is a schematic diagram of an E2E Trace tracking architecture of an LTE network and an IMS network, wherein the network architecture in FIG. 3 is the same as that in FIG. 2.
  • both the LTE network 210 and the IMS network 230 can configure the E2E Trace process by sending the tracking parameters to the HSS 260 through the EMS 270, and then the HSS 260 passes the tracking parameters to the MME 211 of the LTE network 210, and then the MME 211 transmits the tracking parameters.
  • the HSS 260 passes the tracking parameters to the I/S-CSCF 233 of the IMS network 230, and the I/S-CSCF 233 passes the tracking parameters to the SBC (P-CSCF) 231 or SBC (P). -CSCF) 232 or MGCF235 or BGCF236 or AS237.
  • the E2E Trace process of the LTE network 210 and the IMS network 230 can also be activated by the EMS 270 directly sending the tracking parameters to the MME 211 of the LTE network 210 or the I/S-CSCF 233 of the IMS network 230.
  • the path 310 is the activation path of the E2E Trace
  • the path 320 is the tracking parameter delivery path of the E2E Trace.
  • each network element device After receiving the tracking parameters, each network element device creates a tracking task, and starts the tracking of the user-specified interface message, and reports the obtained signaling message to the specified Trace Collection Entity (TCE) 330.
  • TCE Trace Collection Entity
  • FIG. 4 is a schematic diagram of an E2E Trace tracking architecture of a G/U network.
  • the G/U network 250 includes: a Base Station Subsystem (BSS) 251, and a General Packet Radio Service (General Packet Radio Service, GPRS) Serving GPRS Support Node (SGSN) 252, Gateway GPRS Support Node (GGSN) 253, Media Gate Way (MGW) 254, Mobile Switching Center server (MSC) Server) 255.
  • BSS Base Station Subsystem
  • GPRS General Packet Radio Service
  • SGSN Serving GPRS Support Node
  • GGSN Gateway GPRS Support Node
  • MGW Media Gate Way
  • MSC Mobile Switching Center server
  • the G/U network 250 can configure the E2E Trace process by transmitting the tracking parameters to the HSS 260 through the EMS 270, and then the HSS 260 passes the tracking parameters to the MSC Server 255 and the SGSN 252 of the G/U network 250, and the MSC Server 255 and the SGSN 252 pass the tracking parameters to the MSC Server 255 and the SGSN 252. BSS251 or GGSN253 or MGW254.
  • the E2E Trace process of the G/U network 250 can also be activated by sending the tracking parameters directly to the MSC Server 255 and the SGSN 252 of the G/U network 250 through the EMS 270.
  • the path 410 is the activation path of the E2E Trace
  • the path 420 is the tracking parameter delivery path of the E2E Trace.
  • the E2E Trace of the Circuit Switched Domain (CS) service of the G/U network 250 is based on the Home Location Register by the EMS 270.
  • the HLR sends the tracking parameters.
  • the HLR sends an E2E Trace message to the MSC Server 255.
  • the MSC Server 255 sends an E2E Trace activation message to the BSS251 or the MGW254.
  • the E2E Trace of the packet switching domain (PS) service of the G/U network 250 is also sent by the EMS 270 according to the configuration of the HLR.
  • the HLR sends an E2E Trace message to the SGSN 252, and the SGSN 252 sends the message to the BSS 251 or GGSN 253.
  • the E2E Trace of the G/U network 250 can also be triggered by the EMS 270 directly sending the tracking parameters to the MSC Server 255 of the CS network or the SGSN 252 of the PS network.
  • each network element reports the tracked message to the specified TCE.
  • the tracking message reported by the TCE to each network element identifies the tracking file of the same session of the same user, and is parsed and presented to the user for convenient positioning.
  • the existing E2E trace process shown in Figure 3 and Figure 4 can only be used for tracking the signaling process. It can be used for service access and service maintenance problem diagnosis, but does not cover the end-to-end transmission of services involving users. Detection of problems with quality of service.
  • Figure 5 is a schematic diagram of the internal user tracking packet capture of the network element and the packet capture of the external interface of the network element. The same network architecture as that of Figure 2 is used in Figure 5, and the same parts as those in Figure 2 will not be described again.
  • the media plane data of the service only passes through some network element devices in the network, and therefore, the detection of the problem of the end-to-end transmission quality of the service for the user may be only for the media plane data of the service.
  • the network element that is transmitted and processed is performed.
  • the EMS 270 can perform user tracking and packet capture analysis on the media plane network element device that affects the end-to-end transmission quality of the service of the user, such as E-UTRAN 212, PGW 214, and SBC (P-CSCF) 231.
  • the parameters of the end-to-end transmission quality of the service are determined on a network-by-network basis. This is how to use the internal users of the network to track packets.
  • the tracking collection network element TCE511 intercepts the external interface of each network element (E-UTRAN212, SGW213, PGW214, SBC (P-CSCF) 232) through path 520.
  • the parameters of the end-to-end transmission quality of the service such as packet loss, delay, and jitter caused by the IP transmission, are checked on an interface-by-interface basis. This is the method of capturing packets using the external interface probe of the network element.
  • the techniques such as user tracking packet capture in the network element or packet capture analysis of the interface outside the network element can cover the detection of the end-to-end transmission quality of the service of the user, the method of excluding the network element or the interface one by one is time consuming and laborious. , the positioning time is longer, and the detection efficiency is lower.
  • FIG. 6 is a flowchart of Embodiment 1 of a method for detecting a mobile communication network according to an embodiment of the present invention. As shown in FIG. 6, the method in this embodiment includes:
  • Step S601 The network element management device receives the service quality information sent by the multiple network element devices on the transmission path of the service data flow, where the service quality information is used to indicate the service quality of the network element device to transmit the service data flow,
  • the network element devices include a base station device and a core network device.
  • the detection of the problem of the end-to-end transmission quality of the service for the user depends on the tracking packet analysis of the network element or the interface, so that the positioning time is long and the detection efficiency is low.
  • the data flow of each service transmitted in the network passes through multiple network element devices.
  • the network element management device in the embodiment receives the service quality information sent by the multiple network element devices on the transmission path of the service data flow for each data flow, and the service quality information is each network element.
  • the device sends the detected quality of the service data stream that is transmitted to the network element management device.
  • the service quality information sent by the network element device to the network element management device may be sent when the network element device detects that the service quality of the transmitted service data flow is lower than a preset threshold, or the network element device periodically sends the network to the network.
  • the meta management device transmits the quality of service of the transmitted service data stream.
  • the network element device that sends the QoS information to the network element management device may be a base station device in the network, such as E-UTRAN. BSS, or the network element device may also be a core network device in the network, such as SGW, PGW, SBC ( P-CSCF) and so on.
  • the network element management device in this embodiment is a centralized management device, such as an EMS or TCE, deployed in the network and capable of receiving information sent by each network element device in the network.
  • EMS EMS
  • TCE network element management device
  • Step S602 The network element management device determines the service quality of the transmission path of the service data flow according to the service quality information sent by the multiple network element devices.
  • the network element management device can learn the service quality of the transmission path of the service data flow, and the network element management device receives the service quality. After the analysis, the service quality of the service can be obtained, and the network element that affects the service quality of the service can be quickly determined.
  • the service quality information sent by the network element device may be referred to as network protocol service quality.
  • IPQoS Internet Protocol Quality of Service
  • IPQoS includes parameters such as packet loss, delay, jitter, and/or Mean Opinion Score (MOS), which can represent the end-to-end transmission quality of the service transmitted by the network element device.
  • MOS Mean Opinion Score
  • the network element management system receives the service quality information of the service data stream sent by the multiple network element devices on the transmission path of the service data flow, so that the network element management system transmits the service by comparing each network element device.
  • the service quality information of the data stream can quickly detect the service quality of the service data stream transmission, facilitate the rapid location problem, improve the operation and maintenance efficiency for the service experience, and save the operation and maintenance cost.
  • the service quality information received by the network element management device may be based on two attributes, namely, a bearer attribute based on the service data flow and a service attribute based on the service data flow.
  • the service data flow in the network is also divided into an uplink data stream and a downlink data stream. The following describes the mobile communication network detection method provided by the embodiment of the present invention for the combination of the two attributes of the service data stream and the combination of the uplink and downlink data streams.
  • the QoS information sent by the base station device is the received QoS information of the Packet Data Convergence Protocol (PDCP) packet carrying the service data stream, and is sent by the core network device.
  • the quality of service information is the received quality of service information of a general packet radio service tunneling protocol (GTP) packet carrying the service data stream.
  • GTP general packet radio service tunneling protocol
  • the service quality information sent by the base station device is the received quality of service information of the GTP data packet carrying the service data flow and the service quality information of the transmitted PDCP data packet carrying the service data flow. .
  • the service quality information sent by the base station device and the core network device is the received service quality information of the service protocol data packet carrying the service data stream; wherein the service protocol is based on the service data.
  • the business attributes of the stream are the service quality information sent by the base station device and the core network device.
  • the service quality information sent by the base station device is the received and sent service quality information of the service protocol data packet carrying the service data flow, and the service quality information sent by the core network device is received.
  • FIG. 7 is a message for detecting service quality information of a network based on a bearer attribute of a service data flow.
  • FIG. 8 is a signaling flow chart for detecting service quality information of a network based on service application attributes.
  • FIG. 7 and FIG. 8 are only for the description of the LTE network, but the method for detecting the quality of service information of other networks is similar to that of the LTE network, and details are not described herein again.
  • a service media plane message passes through an air interface wireless packet data convergence protocol (Packet) established between a UE and an evolved Node B (eNB) (e ⁇ E-UTRAN).
  • Packet air interface wireless packet data convergence protocol
  • eNB evolved Node B
  • PDCP Data Convergence Protocol
  • GTP general packet radio service tunneling protocol
  • the PDCP bearer and the GTP bearer transmit the packets with the corresponding sequence number. Therefore, the IPQoS can be collected based on the sequence number (SN) of the PDCP bearer or the GTP bearer packet and the local receiving time of the NE device. For example, the packets transmitted by the PDCP bearer or the GTP bearer each have a sequence number, and the serial number of the continuously transmitted packets is continuous. If a packet is lost during the packet transmission, the sequence number of the packet will be If there is a discontinuity, the IPQoS can be determined according to the frequency of occurrence of the discontinuous message sequence number and the size of the discontinuous sequence number interval.
  • the IP QoS of the network element device based on the service bearer tracking reflects the service impact between the two network element device terminals.
  • the IP QoS of the uplink bearer that the UE sends data to the eNB through the Uu air interface is collected by the eNB in step S701.
  • the IP QoS of the uplink bearer that the eNB sends data to the SGW through the SU interface is collected by the SGW, and the SGW passes the SGW in step S703.
  • the IPQoS of the uplink bearer that the /S8 port sends data to the PGW is collected by the PGW.
  • the IPQoS of the downlink bearer that the PGW transmits data to the SGW through the S5/S8 interface is collected by the SGW.
  • step S705 the IPQoS of the downlink bearer that the SGW sends data to the eNB through the SU port is collected by the eNB, and the eNB passes the Uu air interface in step S706.
  • the IPQoS of the downlink bearer transmitted by the UE by the UE is collected by the eNB.
  • the network element device that collects IPQoS can send IPQoS to the network element management device according to the indication.
  • the network element management device may determine, according to the collected IPQoS, whether the bearer between the two network elements has a problem of affecting the end-to-end transmission service quality of the service, thereby determining a specific network element and interface that has a problem.
  • the uplink data stream is detected in step S701, step S702, and step S703 in the figure, and the downlink data stream is detected in step S704, step S705, and step S706.
  • the network element device that collects the service quality is usually the receiver of the data packet.
  • the collection of quality of service can be performed by a network side device, such as a base station.
  • the sender of the data message may also collect the quality of service of the data message transmitted by the data message.
  • the IPQoS collected by the eNB is the received quality of service information of the PDCP data packet carrying the service data stream; and the core network equipment, such as the SGW and the PGW, collects the IPQoS for receiving.
  • the IPQoS collected by the eNB is the received quality of service information of the GTP data packet carrying the service data flow and the service quality information of the transmitted PDCP data packet carrying the service data flow.
  • the core network device such as the SGW, collects the IPQoS information of the received GTP data packet carrying the service data stream.
  • the mobile communication network detection method provided by the embodiment of the present invention is not limited to the PDCP bearer and the GTP bearer, and the network bearer protocol based on other forms can also be performed. Acquisition of IPQoS similar to Figure 7.
  • FIG. 8 detects the service attribute based on the service data flow.
  • the detection of the quality of service based on the service attribute of the service data stream can be implemented by detecting the data packet of the service layer of the service data stream.
  • Figure 8 detects the service quality of the network based on the application layer of the service data flow, that is, the IPQoS collection based on the application layer between the UE and the application server (APP Server).
  • APP Server application server
  • the service attribute of the voice service may include an RTP application attribute.
  • the RTP application attribute includes the sequence number SN of the voice message and the sampling period corresponding to different voice codecs. Therefore, the IPQoS collection can be performed based on the RTP application attribute of the voice message.
  • the RTP application attribute includes the sequence number of the voice message, and the serial number of the continuously transmitted voice message is continuous. If the message is lost during the voice message transmission, the sequence number of the voice message will appear. Discontinuity, IPQoS can be determined according to the frequency of occurrence of discontinuous voice message sequence numbers and the size of discontinuous sequence number intervals.
  • the LTE network element device is located at an intermediate transmission location between the UE and the APP server. Therefore, the network element device tracks the collected IPQoS based on the service attribute and reflects the relationship between the UE or the APP server and the network element device. Business impact.
  • the network element needs to be forwarded by the eNB, the SGW, the PGW, and the like.
  • the eNB collects the IP QoS of the uplink data sent from the UE to the eNB through the Uu air interface in step S801.
  • the SGW collects the IPQoS of the service transmitted between the UE and the SGW in step S802.
  • the PGW collects the IPQoS of the service transmitted between the UE and the PGW.
  • the APP server collects the transmission between the UE and the APP Server. IPQoS of the service.
  • the PGW collects the IPQoS of the service transmitted between the APP Server and the PGW in step S805, and the SGW collects the IPQoS of the service transmitted between the APP Server and the SGW in step S806, and the eNB collects the APP Server and the eNB in step S807.
  • the IPQoS of the service transmitted between the APP Server collects the IPQoS of the service transmitted between the APP Server and the UE in step S808.
  • the network element device that collects the service quality is usually the receiver of the data packet.
  • the network side device for example, the base station, can perform the service quality. Collection. It should be known to those skilled in the art that, for different collection requirements, the sender of the data message may also collect the service quality of the data message transmitted by the data message.
  • the network element device that collects the IPQoS can send the IPQoS to the network element management device according to the indication.
  • the network element management device may determine, according to the collected IPQoS, whether there is a problem of affecting the end-to-end transmission quality of the service in a certain service network, and determine the network element and the interface that have the problem according to the network element that reports the IPQoS.
  • step S801, step S802, S803 and step S804 the uplink data stream is detected, and the downlink data stream is detected in step S805, step S806, step S807 and step S808.
  • the eNB and the core network device collect the collected IPQoS as the service quality information of the received service protocol data packet carrying the service data stream.
  • the service protocol is based on the service attribute of the service data flow.
  • the IPQoS collected by the eNB is the received and sent service quality information of the service protocol data packet carrying the service data flow; the core network device (such as SGW, PGW, APP Server)
  • the collected IPQoS is the quality of service of the received service protocol data packet carrying the service data flow, where the service protocol is based on the service attribute of the service data flow.
  • determining, by the network element management device, the service quality of the transmission path of the service data flow according to the service quality information sent by the multiple network element devices includes: sending, by the network element management device, the network element management device according to the multiple network element devices The quality of service information determines the network element device with the worst quality of service on the transmission path of the service data stream.
  • the network element device that has the greatest impact on the quality of the service end-to-end transmission service is the network element device with the worst quality of service on the transmission path of the service data flow. Therefore, when the network element management device receives the transmission path of the service data flow, After the service quality information sent by the multiple network element devices is determined, the network element device with the worst service quality on the transmission path of the service flow is determined, and the network element device that has the greatest impact on the service data flow can be found.
  • the repair of the network element device can maximize the transmission quality of the transmission path of the service data stream, so that the problem of the quality of the transmission service affecting the end-to-end of the service data stream in the network can be detected and maintained most quickly.
  • the mobile communication network detection method further includes: the service quality information sent by the network element management device according to the multiple network element devices A chart is generated, which is used to indicate the change in the quality of service of the transmission path.
  • the network element management device may further generate a statistical graph according to the multiple service quality information, where the statistical map is used to represent the service.
  • the service quality of each network element on the entire transmission path of the data stream. If such a statistical graph is established for each service data flow, the service quality of each service data flow can be visually seen, which is convenient for the network operation and maintenance personnel to be targeted. Perform maintenance on each NE device in the network.
  • each network element device in the network may periodically send the service quality information to the network element management device according to its preset mechanism, or may send the detection indication to the network element management device in the network element management device. After the information, the network element device transmits the service quality information of the service data flow to the network element management device.
  • the specific method for the network element management device to send the detection indication information to the multiple network element devices in the network may be: combining the E2E Trace tracking process of each network as shown in FIG. 3 and FIG. 4, the network element management device sends the information to each network element. While tracking the parameters, the detection indication information is also sent to each network element device.
  • the network element management device may send end-to-end tracking task activation signaling to the network control network element (such as I/S-CSCF in the IMS network, MSC Server in the G/U network, etc.), and the end-to-end tracking task activation signal
  • the command includes the detection indication information, so that the network control network element sends the detection indication information to the multiple network element devices;
  • the network element management device may also send an end-to-end tracking task activation signaling to the home subscriber server, so that the home control server sends the detection indication information to the network control network element, and the network control network element sends a detection indication to the multiple network element devices. information.
  • the end-to-end tracking task activation signaling sent by the network element management device further includes the to-be-detected network element device information, so that the network control network element sends the detection indication information to the to-be-detected network element device. That is, the network element management device may specify the network element device that needs to report the service quality information, so that the network control network element sends the detection indication information only to the specified network element device that needs to report the service quality information.
  • the end-to-end tracking task activation signaling further includes a task type cell, where the task type cell is used to instruct the plurality of network element devices to send the tracking signaling message and/or the detection indication information to the network element management device. That is, the network element management device may instruct the network element device to perform the original E2E Trace tracking process and/or the mobile communication network detection method provided by the embodiment of the present invention.
  • the network element management device triggers the network element device to collect and report the service quality information by extending the original E2E Trace process, and the original E2E Trace process can still be performed normally.
  • the original E2E Trace is not affected by the signaling collection and reporting mechanism.
  • the Job Type cell is used to identify the task type of the E2E Trace. Job Type cells can be classified into three types: Trace Signalling only, Trace IPQoS only, Simultaneous tracking signaling, and Quality of Service information (Trace Signalling and IPQoS).
  • the E2E Trace process is the same as the prior art, which only collects and reports signaling, and collects and reports only the quality of service information, and collects and reports signaling and quality of service information as described in the foregoing embodiments. .
  • the service quality information can be selectively collected and reported without affecting the original E2E Trace process, providing a more flexible network detection method.
  • the core network device includes a serving gateway and a data gateway.
  • the first type is that the user is attached (Attach).
  • TAU Tracking Area Update
  • FIG. 9 and FIG. 10 are an example of the LTE network, and the flow of the IPQoS detection indication information is described.
  • the scenario in which the UE accesses the MME through the attach procedure is taken as an example in FIG. 9 and FIG.
  • FIG. 9 is a flow chart of signaling delivery of IPQoS detection indication information in a scenario in which a user accesses an MME in an LTE network.
  • the EMS sends the IPQoS detection indication signaling by the tracking task activation signaling, and the network element that receives the IPQoS detection indication signaling mutually transmits the IPQoS detection indication signaling by creating a task request or an existing message between the network elements. As shown in FIG.
  • step S901 the EMS sends a Trace Session Activation (To Trace Session Activation) to the HSS, including a Job Type cell; in step S902, the HSS saves the tracking task activation signaling.
  • the UE sends an attach request message (Attach Request) to the eNB; after receiving the attach request message sent by the UE, the eNB forwards the message to the MME in step S904.
  • the MME After receiving the attach request message sent by the UE, the MME sends a location update request (Update Location Request) to the HSS in step S905.
  • the HSS sends a location update response to the MME in step S906.
  • step S907 the MME saves the tracking control and the configuration parameter, and starts the signaling tracking process according to the indication of the task type cell in the tracking control and the configuration parameter; in step S908
  • the MME sends a Create Session Request to the SGW, which carries a task type cell; the SGW saves the tracking control and the configuration parameters in step S909, and initiates a signaling tracking process and/or an IPQoS tracking process according to the indication of the task type cell in the tracking control and configuration parameters;
  • step S910 the SGW Sending a create task request to the PGW, where the tracking task type cell is carried; in step S911, the PGW saves the tracking control and configuration parameters, and starts the signaling tracking process according to the indication of the task type cell in the tracking control and the configuration parameter and/or IPQoS tracking procedure; in step S912, the PGW sends a Create Session Response to the SGW; in step S913, the SGW
  • the MME may also directly receive the tracking control and configuration parameters sent from the EMS without forwarding through the HSS.
  • the MME may also receive the tracking control and configuration parameters transmitted from the opposite MME.
  • Step S908 and step S914 may be performed concurrently.
  • the MME passes the tracking parameters to the SGW/PGW through the Attach/TAU/Handover flow message, passing The Attach/Service Request/Handover flow passes the tracking parameters to the eNB.
  • step S1001 the EMS sends a tracking task activation signaling to the HSS, including tracking.
  • step S1002 the HSS stores the tracking control and configuration parameters; in step S1003, the HSS sends an Insert Subscriber Data Request to the MME, where the tracking task type cell is carried; in step S1004, the MME Returning an Insert Subscriber Data Answer to the HSS; the MME saves the tracking control and the configuration parameters in step S1005, and starts the signaling tracking process according to the indication of the task type cell in the tracking control and the configuration parameter; in step S1006
  • the MME sends a tracking task activation signaling to the SGW, where the tracking task type cell is carried; in step S1007, the SGW saves the tracking control and configuration parameters, and starts signaling according to the indication of the task type cell in the tracking control and the configuration parameter.
  • step S1008 SGW Sending tracking task activation signaling to the PGW, where the tracking task type cell is carried; in step S1009, the PGW saves the tracking control and configuration parameters, and starts the signaling tracking process according to the indication of the task type cell in the tracking control and the configuration parameter. / or IPQoS tracking process;
  • step S1010 the MME sends a trace start signaling (Trace Start) carrying the tracking task type cell to the eNB; in step S1011, the eNB saves the tracking control and configuration parameters, and according to the tracking control and configuration
  • the indication of the task type cell in the parameter initiates a signaling tracking procedure and/or an IPQoS tracking procedure.
  • the MME can also directly receive the tracking control and configuration parameters sent from the EMS without forwarding through the HSS.
  • Step S1006 and step S1010 may be performed concurrently.
  • the MME transmits the tracking parameters to the SGW/PGW through the tracking task activation signaling message, and transmits the tracking parameters to the eNB through the tracking start signaling.
  • FIG. 11 is a schematic structural diagram of Embodiment 1 of a mobile communication network detecting apparatus according to an embodiment of the present invention. As shown in FIG. 11, the mobile communication network detecting apparatus of this embodiment includes:
  • the receiving module 111 is configured to receive the service quality information that is sent by the multiple network element devices on the transmission path of the service data flow, where the service quality information is used to indicate that the network element device transmits the service data flow service Quality, the plurality of network element devices include a base station device and a core network device.
  • the processing module 112 is configured to determine, according to the quality of service information sent by the multiple network element devices, a quality of service of the transmission path of the service data flow.
  • the mobile communication network detecting apparatus of this embodiment is used to execute the technology of the method embodiment shown in FIG.
  • the implementation principle and technical effect of the solution are the same, and will not be described here.
  • the service quality information sent by the base station device is the received service quality information of the PDCP data packet that carries the service data flow.
  • the service quality information sent by the base station device is the received service quality information of the GTP data packet that carries the service data flow.
  • the quality of service information of the PDCP data packet carrying the service data stream is the quality of service information of the PDCP data packet carrying the service data stream.
  • the quality of service information sent by the core network device is the received quality of service information of the GTP data packet that carries the service data stream.
  • the service quality information sent by the base station device and the core network device is the received service protocol data that carries the service data flow.
  • the service quality information sent by the base station device is a received and sent service protocol data packet carrying the service data flow.
  • the quality of service information sent by the core network device is a quality of service of the received service protocol data packet carrying the service data flow; wherein the service protocol is based on a service attribute of the service data flow of.
  • the service protocol includes an RTP.
  • the processing module 112 is specifically configured to determine, according to the quality of service information sent by the multiple network element devices, the network with the worst quality of service on the transmission path of the service data flow. Meta device.
  • FIG. 12 is a schematic structural diagram of a second embodiment of a mobile communication network detecting apparatus according to an embodiment of the present invention. As shown in FIG. 12, the mobile communication network detecting apparatus of this embodiment further includes:
  • the generating module 121 is configured to generate a statistical map according to the quality of service information sent by the multiple network element devices, where the statistical map is used to indicate a change in the quality of service of the transmission path.
  • FIG. 13 is a schematic structural diagram of Embodiment 3 of a mobile communication network detecting apparatus according to an embodiment of the present invention. As shown in FIG. 13, the mobile communication network detecting apparatus of this embodiment is based on FIG. Also includes:
  • the sending module 131 is configured to send the detection indication information to the multiple network element devices, where the detection indication information is used to indicate that the network element device is configured to transmit the service quality of the service data flow.
  • the sending module 131 is specifically configured to send an end-to-end tracking task activation signaling to the network control network element, where the end-to-end tracking task activation signaling includes the detection indication.
  • the information so that the network control network element sends the detection indication information to the multiple network element devices; or sends the end-to-end tracking task activation signaling to a home subscriber server, so that the home subscriber server
  • the network control network element sends the detection indication information to the multiple network element devices.
  • the end-to-end tracking task activation signaling further includes information about the network element to be detected, so that the network control network element sends the information to the to-be-detected network element device.
  • the detection indication information is described.
  • the end-to-end tracking task activation signaling further includes a task type cell, where the task type cell is used to instruct the multiple network element devices to the network
  • the meta management device sends a tracking signaling message and/or the detection indication information.
  • the core network device includes a service gateway and a data gateway.
  • the quality of service information includes a packet loss rate, a jitter, a delay, or a MOS value of the data packet.
  • FIG. 14 is a schematic structural diagram of Embodiment 4 of a mobile communication network detecting apparatus according to an embodiment of the present invention.
  • the user equipment of this embodiment includes: a receiver 141 and a processor 142.
  • the user equipment may further include a memory 143.
  • the receiver 141, the processor 142, and the memory 143 may be connected through a system bus or other manners, and the system bus connection is taken as an example in FIG. 14; the system bus may be an Industrial Standard Architecture (ISA) bus, and an external device interconnection. (Peripheral Component Interconnect, PCI) bus or extended Industrial Standard Architecture (ESA) bus.
  • ISA Industrial Standard Architecture
  • PCI Peripheral Component Interconnect
  • ESA Extended Industrial Standard Architecture
  • the system bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one line is shown in Figure 14, but it does not mean that there is only one bus or one type of bus.
  • the receiver 141 is configured to receive the service quality information that is sent by the multiple network element devices on the transmission path of the service data flow, where the service quality information is used to indicate the network element device transmission
  • the service quality of the service data flow where the multiple network element devices include a base station device and a core network device.
  • the processor 142 is configured to determine a quality of service of the transmission path of the service data flow according to the quality of service information sent by the multiple network element devices received from the receiver 141.
  • the memory 143 is configured to store the information received by the receiver 141 and store the data processed by the processor 142.
  • the mobile communication network detecting apparatus of this embodiment is used to perform the technical solution of the method embodiment shown in FIG. 6, and the implementation principle and the technical effect are the same, and details are not described herein again.
  • the service quality information sent by the base station device is the received service quality information of the PDCP data packet that carries the service data flow. .
  • the service quality information sent by the base station device is the received service quality information of the GTP data packet that carries the service data flow.
  • the quality of service information of the PDCP data packet carrying the service data stream is the quality of service information of the PDCP data packet carrying the service data stream.
  • the quality of service information sent by the core network device is the received quality of service information of the GTP data packet carrying the service data stream.
  • the service quality information sent by the base station device and the core network device is the received service protocol data that carries the service data flow.
  • the service quality information sent by the base station device is a received and sent service protocol data packet carrying the service data flow.
  • the quality of service information sent by the core network device is a quality of service of the received service protocol data packet carrying the service data flow; wherein the service protocol is based on a service attribute of the service data flow of.
  • the service protocol includes an RTP.
  • the processor 142 is specifically configured to determine, according to the quality of service information sent by the multiple network element devices received from the receiver 141, the transmission path of the service data stream. The network element device with the worst service quality.
  • the processor 142 is further configured to be based on the slave receiver 141.
  • the received quality of service information generated by the plurality of network element devices generates a statistical graph, where the statistical graph is used to indicate a change in the quality of service of the transmission path.
  • FIG. 15 is a schematic structural diagram of Embodiment 5 of a mobile communication network detecting apparatus according to an embodiment of the present invention. As shown in FIG. 15, the mobile communication network detecting apparatus of this embodiment further includes:
  • the transmitter 151 is configured to send the detection indication information to the multiple network element devices, where the detection indication information is used to indicate that the network element device is configured to transmit the service quality of the service data flow.
  • the transmitter 151 is specifically configured to send an end-to-end tracking task activation signaling to the network control network element, where the end-to-end tracking task activation signaling includes the detection indication.
  • the information so that the network control network element sends the detection indication information to the multiple network element devices; or sends the end-to-end tracking task activation signaling to a home subscriber server, so that the home subscriber server
  • the network control network element sends the detection indication information to the multiple network element devices.
  • the end-to-end tracking task activation signaling further includes information about the network element to be detected, so that the network control network element sends the information to the to-be-detected network element device.
  • the detection indication information is described.
  • the end-to-end tracking task activation signaling further includes a task type cell, where the task type cell is used to instruct the multiple network element devices to the network
  • the meta management device sends a tracking signaling message and/or the detection indication information.
  • the core network device includes a service gateway and a data gateway.
  • the quality of service information includes a packet loss rate, a jitter, a delay, or a MOS value of the data packet.

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Abstract

本发明实施例提供一种移动通信网络检测方法和装置,一种移动通信网络检测方法包括:网元管理设备接收业务数据流的传输路径上经过的多个网元设备发送的服务质量信息;其中,所述服务质量信息用于指示所述网元设备传输所述业务数据流的服务质量,所述多个网元设备包括基站设备和核心网设备;所述网元管理设备根据所述多个网元设备发送的服务质量信息确定所述业务数据流的所述传输路径的服务质量。本发明实施例提供的移动通信网络检测方法和装置,用于高效检测业务传输的服务质量。

Description

移动通信网络检测方法和装置
技术领域
本发明实施例涉及通信技术, 尤其涉及一种移动通信网络检测方法和装 置。 背景技术
第三代移动通信标准组织(The 3rd Generation Partnership Project, 3GPP) 为了增强未来网络的竞争能力, 推出了一种全新的演进网络, 命名为系统架 构演进 (System Architecture Evolution, SAE) 系统。
SAE系统架构跨越多个不同的领域和设备, 因此 SAE系统中的业务也会 跨越不同领域的不同设备, 但对于 SAE系统的网络运维还是停留在基于单一 网元维护的基础上, 依托网元管理系统(Element Management System, EMS ) 针对单一的设备提供操作维护, 这种基于单一网元的运维方式已经远远不能 满足运维的需要, 为了提高网络运维水平, 基于端到端 (End to End, E2E) 的可视化运维将成为潜在的需求。
3GPP标准定义了 E2E跟踪 (E2E Trace) 这一全网跟踪特性, 提供了针 对信令流程的跟踪, 可以用于业务接入、 业务保持方面的运维诊断, 从而可 以实现信令流程的 E2E可视化运维。 但用户业务完整性体验方面的问题, 如 报文丢失导致语音通话断续、 甚至静音等问题, 则需通过网元内用户跟踪抓 包或网元外接口探针抓包分析等技术手段进行逐一排查诊断。 逐一排除网元 或接口的方式较为费时、 费力, 定位时间较长, 运维效率较低。 发明内容
本发明实施例提供一种移动通信网络检测方法和装置, 用于高效检测业 务传输的服务质量。
第一方面提供一种网络运维方法, 包括:
网元管理设备接收业务数据流的传输路径上经过的多个网元设备发送的 服务质量信息; 其中, 所述服务质量信息用于指示所述网元设备传输所述业 务数据流的服务质量, 所述多个网元设备包括基站设备和核心网设备; 所述网元管理设备根据所述多个网元设备发送的服务质量信息确定所述 业务数据流的所述传输路径的服务质量。
在第一方面第一种可能的实现方式中,所述业务数据流为上行数据流时, 所述基站设备发送的服务质量信息为接收到的承载所述业务数据流的 PDCP 数据包的服务质量信息。
结合第一方面或第一方面第一种可能的实现方式, 在第二种可能的实现 方式中, 所述业务数据流为下行数据流时, 所述基站设备发送的服务质量信 息为接收到的承载所述业务数据流的 GTP数据包的服务质量信息和发送的承 载所述业务数据流的 PDCP数据包的服务质量信息。
结合第一方面至第一方面第二种可能的实现方式中任一种可能的实现方 式, 在第三种可能的实现方式中, 所述核心网设备发送的服务质量信息为接 收到的承载所述业务数据流的 GTP数据包的服务质量信息。
在第一方面第四种可能的实现方式中,所述业务数据流为上行数据流时, 所述基站设备和核心网设备发送的服务质量信息为接收到的承载所述业务数 据流的业务协议数据包的服务质量信息; 其中, 所述业务协议是基于所述业 务数据流的业务属性的。
结合第一方面或第一方面第四种可能的实现方式, 在第五种可能的实现 方式中, 所述业务数据流为下行数据流时, 所述基站设备发送的服务质量信 息为接收到的和发送的承载所述业务数据流的业务协议数据包的服务质量信 息, 所述核心网设备发送的服务质量信息为接收到的承载所述业务数据流的 业务协议数据包的服务质量; 其中, 所述业务协议是基于所述业务数据流的 业务属性的。
结合第一方面第四种或第五种可能的实现方式, 在第六种可能的实现方 式中, 所述业务协议包括 RTP。
结合第一方面至第一方面第六种可能的实现方式中任一种可能的实现方 式, 在第七种可能的实现方式中, 所述网元管理设备根据所述多个网元设备 发送的服务质量信息确定所述业务数据流的所述传输路径的服务质量包括: 所述网元管理设备根据所述多个网元设备发送的服务质量信息确定所述 业务数据流的所述传输路径上服务质量最差的网元设备。 结合第一方面至第一方面第七种可能的实现方式中任一种可能的实现方 式, 在第八种可能的实现方式中, 所述方法还包括:
所述网元管理设备根据所述多个网元设备发送的服务质量信息生成统计 图, 所述统计图用于表示所述传输路径的服务质量的变化情况。
结合第一方面至第一方面第八种可能的实现方式中任一种可能的实现方 式, 在第九种可能的实现方式中, 所述方法还包括:
所述网元管理设备发送检测指示信息至所述多个网元设备, 所述检测指 示信息用于指示检测所述网元设备传输所述业务数据流的服务质量。
结合第一方面第九种可能的实现方式, 在第十种可能的实现方式中, 所 述网元管理设备发送检测指示信息至所述多个网元设备, 包括:
所述网元管理设备向网络控制网元发送端到端跟踪任务激活信令, 所述 端到端跟踪任务激活信令中包括所述检测指示信息, 以使所述网络控制网元 向所述多个网元设备发送所述检测指示信息;
或者所述网元管理设备向归属用户服务器发送所述端到端跟踪任务激活 信令, 以使所述归属用户服务器将所述检测指示信息发送至所述网络控制网 元后, 所述网络控制网元向所述多个网元设备发送所述检测指示信息。
结合第一方面第十种可能的实现方式, 在第十一种可能的实现方式中, 所述端到端跟踪任务激活信令中还包括待检测网元设备信息, 以使所述网络 控制网元向所述待检测网元设备发送所述检测指示信息。
结合第一方面第十种或第十一种可能的实现方式, 在第十二种可能的实 现方式中, 所述端到端跟踪任务激活信令中还包括任务类型信元, 所述任务 类型信元用于指示所述多个网元设备向所述网元管理设备发送跟踪信令消息 和 /或所述检测指示信息。
结合第一方面至第一方面第十二种可能的实现方式中任一种可能的实现 方式, 在第十三种可能的实现方式中, 所述核心网设备包括服务网关和数据 网关。
结合第一方面至第一方面第十三种可能的实现方式中任一种可能的实现 方式, 在第十四种可能的实现方式中, 所述服务质量信息包括数据包的丢包 率、 抖动、 时延或者 MOS值。
第二方面提供一种移动通信网络检测装置, 包括: 接收模块, 用于接收业务数据流的传输路径上经过的多个网元设备发送 的服务质量信息; 其中, 所述服务质量信息用于指示所述网元设备传输所述 业务数据流的服务质量, 所述多个网元设备包括基站设备和核心网设备; 处理模块, 用于根据所述多个网元设备发送的服务质量信息确定所述业 务数据流的所述传输路径的服务质量。
在第二方面第一种可能的实现方式中,所述业务数据流为上行数据流时, 所述基站设备发送的服务质量信息为接收到的承载所述业务数据流的 PDCP 数据包的服务质量信息。
结合第二方面或第二方面第一种可能的实现方式, 在第二种可能的实现 方式中, 所述业务数据流为下行数据流时, 所述基站设备发送的服务质量信 息为接收到的承载所述业务数据流的 GTP数据包的服务质量信息和发送的承 载所述业务数据流的 PDCP数据包的服务质量信息。
结合第二方面至第二方面第二种可能的实现方式中任一种可能的实现方 式, 在第三种可能的实现方式中, 所述核心网设备发送的服务质量信息为接 收到的承载所述业务数据流的 GTP数据包的服务质量信息。
在第二方面第四种可能的实现方式中,所述业务数据流为上行数据流时, 所述基站设备和核心网设备发送的服务质量信息为接收到的承载所述业务数 据流的业务协议数据包的服务质量信息; 其中, 所述业务协议是基于所述业 务数据流的业务属性的。
结合第二方面或第二方面第四种可能的实现方式, 在第五种可能的实现 方式中, 所述业务数据流为下行数据流时, 所述基站设备发送的服务质量信 息为接收到的和发送的承载所述业务数据流的业务协议数据包的服务质量信 息, 所述核心网设备发送的服务质量信息为接收到的承载所述业务数据流的 业务协议数据包的服务质量; 其中, 所述业务协议是基于所述业务数据流的 业务属性的。
结合第二方面第四种或第五种可能的实现方式, 在第六种可能的实现方 式中, 所述业务协议包括 RTP。
结合第二方面至第二方面第六种可能的实现方式中任一种可能的实现方 式, 在第七种可能的实现方式中, 所述处理模块, 具体用于根据所述多个网 元设备发送的服务质量信息确定所述业务数据流的所述传输路径上服务质量 最差的网元设备。
结合第二方面至第二方面第七种可能的实现方式中任一种可能的实现方 式, 在第八种可能的实现方式中, 所述移动通信网络检测装置还包括:
生成模块,用于根据所述多个网元设备发送的服务质量信息生成统计图, 所述统计图用于表示所述传输路径的服务质量的变化情况。
结合第二方面至第二方面第八种可能的实现方式中任一种可能的实现方 式, 在第九种可能的实现方式中, 所述移动通信网络检测装置还包括:
发送模块, 用于发送检测指示信息至所述多个网元设备, 所述检测指示 信息用于指示检测所述网元设备传输所述业务数据流的服务质量。
结合第二方面第九种可能的实现方式, 在第十种可能的实现方式中, 所 述发送模块, 具体用于向网络控制网元发送端到端跟踪任务激活信令, 所述 端到端跟踪任务激活信令中包括所述检测指示信息, 以使所述网络控制网元 向所述多个网元设备发送所述检测指示信息; 或者向归属用户服务器发送所 述端到端跟踪任务激活信令, 以使所述归属用户服务器将所述检测指示信息 发送至所述网络控制网元后, 所述网络控制网元向所述多个网元设备发送所 述检测指示信息。
结合第二方面第十种可能的实现方式, 在第十一种可能的实现方式中, 所述端到端跟踪任务激活信令中还包括待检测网元设备信息, 以使所述网络 控制网元向所述待检测网元设备发送所述检测指示信息。
结合第二方面第十种或第十一种可能的实现方式, 在第十二种可能的实 现方式中, 所述端到端跟踪任务激活信令中还包括任务类型信元, 所述任务 类型信元用于指示所述多个网元设备向所述网元管理设备发送跟踪信令消息 和 /或所述检测指示信息。
结合第二方面至第二方面第十二种可能的实现方式中任一种可能的实现 方式, 在第十三种可能的实现方式中, 所述核心网设备包括服务网关和数据 网关。
结合第二方面至第二方面第十三种可能的实现方式中任一种可能的实现 方式, 在第十四种可能的实现方式中, 所述服务质量信息包括数据包的丢包 率、 抖动、 时延或者 MOS值。
第三方面提供一种移动通信网络检测装置, 包括: 接收器, 用于接收业务数据流的传输路径上经过的多个网元设备发送的 服务质量信息; 其中, 所述服务质量信息用于指示所述网元设备传输所述业 务数据流的服务质量, 所述多个网元设备包括基站设备和核心网设备;
处理器, 用于根据从所述接收器接收的所述多个网元设备发送的服务质 量信息确定所述业务数据流的所述传输路径的服务质量。
在第三方面第一种可能的实现方式中,所述业务数据流为上行数据流时, 所述基站设备发送的服务质量信息为接收到的承载所述业务数据流的 PDCP 数据包的服务质量信息。
结合第三方面或第三方面第一种可能的实现方式, 在第二种可能的实现 方式中, 所述业务数据流为下行数据流时, 所述基站设备发送的服务质量信 息为接收到的承载所述业务数据流的 GTP数据包的服务质量信息和发送的承 载所述业务数据流的 PDCP数据包的服务质量信息。
结合第三方面至第三方面第二种可能的实现方式中任一种可能的实现方 式, 在第三种可能的实现方式中, 所述核心网设备发送的服务质量信息为接 收到的承载所述业务数据流的 GTP数据包的服务质量信息。
在第三方面第四种可能的实现方式中,所述业务数据流为上行数据流时, 所述基站设备和核心网设备发送的服务质量信息为接收到的承载所述业务数 据流的业务协议数据包的服务质量信息; 其中, 所述业务协议是基于所述业 务数据流的业务属性的。
结合第三方面或第三方面第四种可能的实现方式, 在第五种可能的实现 方式中, 所述业务数据流为下行数据流时, 所述基站设备发送的服务质量信 息为接收到的和发送的承载所述业务数据流的业务协议数据包的服务质量信 息, 所述核心网设备发送的服务质量信息为接收到的承载所述业务数据流的 业务协议数据包的服务质量; 其中, 所述业务协议是基于所述业务数据流的 业务属性的。
结合第三方面第四种或第五种可能的实现方式, 在第六种可能的实现方 式中, 所述业务协议包括 RTP。
结合第三方面至第三方面第六种可能的实现方式中任一种可能的实现方 式, 在第七种可能的实现方式中, 所述处理器, 具体用于根据从所述接收器 接收的所述多个网元设备发送的服务质量信息确定所述业务数据流的所述传 输路径上服务质量最差的网元设备。
结合第三方面至第三方面第七种可能的实现方式中任一种可能的实现方 式, 在第八种可能的实现方式中, 所述处理器, 还用于根据从所述接收器接 收的所述多个网元设备发送的服务质量信息生成统计图, 所述统计图用于表 示所述传输路径的服务质量的变化情况。
结合第三方面至第三方面第八种可能的实现方式中任一种可能的实现方 式, 在第九种可能的实现方式中, 所述移动通信网络检测装置还包括:
发送器, 用于发送检测指示信息至所述多个网元设备, 所述检测指示信 息用于指示检测所述网元设备传输所述业务数据流的服务质量。
结合第三方面第九种可能的实现方式, 在第十种可能的实现方式中, 所 述发送器, 具体用于向网络控制网元发送端到端跟踪任务激活信令, 所述端 到端跟踪任务激活信令中包括所述检测指示信息, 以使所述网络控制网元向 所述多个网元设备发送所述检测指示信息; 或者向归属用户服务器发送所述 端到端跟踪任务激活信令, 以使所述归属用户服务器将所述检测指示信息发 送至所述网络控制网元后, 所述网络控制网元向所述多个网元设备发送所述 检测指示信息。
结合第三方面第十种可能的实现方式, 在第十一种可能的实现方式中, 所述端到端跟踪任务激活信令中还包括待检测网元设备信息, 以使所述网络 控制网元向所述待检测网元设备发送所述检测指示信息。
结合第三方面第十种或第十一种可能的实现方式, 在第十二种可能的实 现方式中, 所述端到端跟踪任务激活信令中还包括任务类型信元, 所述任务 类型信元用于指示所述多个网元设备向所述网元管理设备发送跟踪信令消息 和 /或所述检测指示信息。
结合第三方面至第三方面第十二种可能的实现方式中任一种可能的实现 方式, 在第十三种可能的实现方式中, 所述核心网设备包括服务网关和数据 网关。
结合第三方面至第三方面第十三种可能的实现方式中任一种可能的实现 方式, 在第十四种可能的实现方式中, 所述服务质量信息包括数据包的丢包 率、 抖动、 时延或者 MOS值。
本发明实施例提供的移动通信网络检测方法和装置, 通过网元管理系统 接收业务数据流的传输路径上经过的多个网元设备发送的传输该业务数据流 的服务质量信息, 使网元管理系统通过比较各个网元设备传输该业务数据流 的服务质量信息, 能够快速检测该业务数据流传输的服务质量, 便于快速定 位问题, 提高了针对业务体验的运维效率, 节约了运维的成本。 附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案, 下面将对实 施例或现有技术描述中所需要使用的附图作一简单地介绍, 显而易见地, 下 面描述中的附图是本发明的一些实施例, 对于本领域普通技术人员来讲, 在 不付出创造性劳动性的前提下, 还可以根据这些附图获得其他的附图。
图 1为 SAE系统中 LTE网络的架构示意图;
图 2为 E2E业务信令、 媒体面传输路径示意图;
图 3为 LTE网络和 IMS网络 E2E Trace跟踪架构示意图;
图 4为 G/U网络 E2E Trace跟踪架构示意图;
图 5为网元内部用户跟踪抓包及网元外部接口探针抓包示意图; 图 6为本发明实施例提供的移动通信网络检测方法实施例一的流程图; 图 7为基于业务数据流的承载属性对网络的服务质量信息进行检测的信 令流程图;
图 8 为基于业务应用属性对网络的服务质量信息进行检测的信令流程 图;
图 9为 LTE网络中用户接入 MME过程中的场景下, IPQoS检测指示信 息的传递信令流程图;
图 10为 LTE网络中用户已接入 MME的场景下, IPQoS检测指示信息的 传递信令流程图;
图 11 为本发明实施例提供的移动通信网络检 装置实施例一的结构示 意图;
图 12 为本发明实施例提供的移动通信网络检 装置实施例二的结构示 意图;
图 13 为本发明实施例提供的移动通信网络检 装置实施例三的结构示 意图; 图 14 为本发明实施例提供的移动通信网络检测装置实施例四的结构示 意图;
图 15 为本发明实施例提供的移动通信网络检测装置实施例五的结构示 意图。 具体实施方式
为使本发明实施例的目的、 技术方案和优点更加清楚, 下面将结合本发 明实施例中的附图, 对本发明实施例中的技术方案进行清楚、 完整地描述, 显然, 所描述的实施例是本发明一部分实施例, 而不是全部的实施例。 基于 本发明中的实施例, 本领域普通技术人员在没有作出创造性劳动前提下所获 得的所有其他实施例, 都属于本发明保护的范围。
在移动通信网络演进到 SAE系统后, 系统中出现长期演进 (Long Term Evolution, LTE) 网络、 IP多媒体子系统 (IP Multimedia Subsystem, IMS ) 网络、 全球移动通信系统 (Global System for Mobile Communications, GSM) 增强型数据速率 GSM演进 (Enhanced Data Rate for GSM Evolution, EDGE) 无线通信网 /陆地无线接入网 ( GSM EDGE Radio Access Network/Universal Terrestrial Radio Access, GERAN/UTRAN, G/U) 网络, 等网络共存的情况。 对于例如 LTE网络中的语音业务等业务而言, 由于其 E2E属性, 业务可能跨 越 LTE、 演进分组核心 (Evolved Packet Core, EPC) 、 IMS, 公共交换电话 网 (Public Switched Telephone Network, PSTN) 、 G/U等不同的领域, 而现 有的网络运维方法通过使用 E2E Trace流程可以针对信令进行跟踪, 可以用 于业务接入、 业务保持方面的运维诊断。 而对于业务端到端的传输服务质量 的问题, 由于涉及整个业务传输路径上的多个网元设备, 而目前仅能通过单 一网元抓包分析等技术手段进行, 检测效率较低。
本发明实施例提供一种移动通信网络检测方法, 解决现有技术中在对涉 及业务端到端传输服务质量检测时效率较低的问题。 本发明实施例提供的移 动通信网络检测方法不限于网络形式, 在任一种移动通信网络中都可以使用 本发明实施例提供的移动通信网络检测方法高效检测端到端的业务传输的服 图 1为 SAE系统中 LTE网络的架构示意图, 如图 1所示, 其中包括如 下网元:
演进的通用陆地无线接入网 (Evolved Universal Terrestrial Radio Access Network, E-UTRAN) 11, 用于实现所有与演进网络无线有关的功能。
移动性管理实体 (Mobility Management Entity, MME) 12, 负责控制面 的移动性管理, 包括用户上下文和移动状态管理, 分配用户临时身份标识等。
服务网关实体 (Serving Gateway, SGW) 13, 是 3GPP接入系统间的用 户面锚点, 终止 ETURAN的接口。
分组数据网关实体(PDN Gateway, PGW )14是 3GPP接入系统和非 3GPP 接入系统之间的用户面锚点,终止和外部分组数据网络(Packet Data Network, PDN) 的接口。
策略和计费规则功能实体(Policy and Charging Rule Function, PCRF) 15 用于策略控制决定和流计费控制功能。
归属用户服务器 (Home Subscriber Server, HSS ) 16用于存储用户签约 信息。
其中 HSS16通过 S6a接口与 MME12连接, MME12通过 S1-MME接口 与 E-UTRAN11连接, MME12通过 S11接口与 SGW13连接, E-UTRAN11 通过 S1-U接口与 SGW13连接, SGW13通过 S5/S8接口与 PGW14连接, PGW 与 PCRF连接。 用户设备 (User Equipment, UE) 17通过 E-UTRAN11接入 网络。
移动网络从 G/U演进到 LTE网络后,语音业务也将由传统的电路交换网 络(Circuit Switched, CS )切换到 LTE网络承载。相比一般的 LTE数据业务 仅仅跨域 LTE、 EPC两个领域, 对于 LTE语音业务而言, 由于其 E2E的属 性, 则可能跨越 LTE、 EPC、 IMS, PSTN, G/U等不同的领域, 因此对于 LTE 语音业务运维而言更加复杂。
图 2为 E2E业务信令、 媒体面传输路径示意图, 如图 2所示, 系统中包 括 LTE网络 210、 LTE网络 220、 IMS网络 230、 PSTN网络 240、 G/U网络 250多个网络。
其中 LTE网络 210具体包括 MME211、E-UTRAN212、SGW213、PGW214 等网元。 IMS网络 230包括会话边界控制器 (代理呼叫会话控制) (Session Border Controller (Proxy Call Session Control Function) , SBC (P-CSCF) ) 231、 SBC(P-CSCF)232、查询 /服务呼叫会话控制(Interrogating/Serving CSCF, I/S-CSCF) 233、 IP多媒体网关 (IP Multimedia Media Gateway, IM-MGW) 234、 媒体网关控制功能 (Media Gateway Control Function, MGCF) 235、 出 口网关控制功能 (Breakout Gateway Control Function, BGCF)236、 应用服务器 (Application Server, AS ) 237等网元。 LTE网络 220、 PSTN网络 240、 G/U 网络 250的具体架构未示出。
UE218接入 LTE网络 210、 UE228接入 LTE网络 220、 IMS网络 230、 UE248接入 PSTN网络 240、 UE258接入 G/U网络 250。 HSS260分别与 LTE 网络 210中的 MME211、 IMS网络中的 I/S-CSCF233、 AS237连接, HSS260 还与 LTE网络 220、 PSTN网络 240、 G/U网络 250中的相关网元连接 (图 2 中未示出) 。 EMS270与 HSS260连接。 各网元之间的其他连接关系如图 2 所示。
当接入 LTE网络 210的 UE218与接入 LTE网络 220的 UE228进行语音 通信业务时, 从 UE218到 UE228的语音信令传输路径依次经过 UE218、 E-UTRAN212, MME211、 SGW213, PGW214、 SBC (P-CSCF) 231、
I/S-CSCF233, SBC (P-CSCF) 232、 LTE网络 220、 UE228, 如图中路径 280 所示; 而从 UE218到 UE228的语音媒体传输路径依次经过 UE218、
E-UTRAN212, SGW213, PGW214, SBC (P-CSCF) 231、 SBC (P-CSCF)
232、 LTE网络 220、 UE228, 如图中路径 290所示。
从图 2中可以看出, LTE语音业务的信令和媒体面都会跨越不同领域和 设备, 同样地, 数据业务也会跨越不同领域和设备。 基于 SAE系统的业务传 输会跨越多个不同领域和设备,基于单一网元的运维方式不能满足运维需要。
目前 3GPP标准定义了 E2E Trace全网跟踪功能特性, E2E Trace跟踪特 性提供了一种跟踪收集各网元接口信令消息的方法, EMS基于各网元上报的 信令消息, 可构建一个完整的 E2E视图, 从而可实现信令流程的 E2E可视化 运维, E2E Trace可以基于 E2E进行业务接入、 业务保持方面问题的运维诊 断。 但是, 涉及用户的业务端到端的传输服务质量的问题, 如报文的丢失导 致语音通话断续、 甚至静音, 则需通过网元内用户跟踪抓包或网元外接口探 针抓包分析等技术手段进行逐一排查诊断。 逐一排除网元或接口的方式较为 费时、 费力, 定位时间较长, 检测效率较低。 图 3为 LTE网络和 IMS网络 E2E Trace跟踪架构示意图, 其中图 3中的 网络架构与图 2相同。 如图 3所示, LTE网络 210和 IMS网络 230均可以通 过 EMS270向 HSS260配置下发跟踪参数激活 E2E Trace流程,然后由 HSS260 将跟踪参数传递到 LTE网络 210的 MME211 , 再由 MME211将跟踪参数传 递给 SGW213或 PGW214或 E-UTRAN212; 或者由 HSS260将跟踪参数传递 到 IMS网络 230的 I/S-CSCF233, 再由 I/S-CSCF233将跟踪参数传递给 SBC (P-CSCF) 231或 SBC (P-CSCF) 232或 MGCF235或 BGCF236或 AS237。 LTE网络 210和 IMS网络 230的 E2E Trace流程还可以通过 EMS270直接向 LTE网络 210的 MME211或 IMS网络 230的 I/S-CSCF233下发跟踪参数来激 活。 图中路径 310为 E2E Trace的激活路径, 路径 320为 E2E Trace的跟踪参 数传递路径。
各网元设备接收到跟踪参数后, 创建跟踪任务, 并启动指令用户指定接 口消息的跟踪, 并将跟踪获取的信令消息上报到指定的跟踪收集网元 (Trace Collection Entity, TCE) 330。
图 4为 G/U网络 E2E Trace跟踪架构示意图,如图 4所示, G/U网络 250 中包括: 基站子系统 (Base Station Subsystem, BSS ) 251、 通用分组无线服 务技术 (General Packet Radio Service, GPRS ) 服务支持节点 (Serving GPRS Support Node, SGSN )252、网关 GPRS支持节点(Gateway GPRS Support Node, GGSN) 253、媒体网关(Media Gate Way, MGW) 254、移动交换服务器(Mobile Switching Center server, MSC Server) 255。 各网元之间的连接关系如图 4所
G/U网络 250可以通过 EMS270向 HSS260配置下发跟踪参数激活 E2E Trace流程,然后由 HSS260将跟踪参数传递到 G/U网络 250的 MSC Server255 和 SGSN252, 再由 MSC Server255和 SGSN252将跟踪参数传递给 BSS251 或 GGSN253或 MGW254。G/U网络 250的 E2E Trace流程还可以通过 EMS270 直接向 G/U网络 250的 MSC Server255和 SGSN252下发跟踪参数来激活。 图中路径 410为 E2E Trace的激活路径,路径 420为 E2E Trace的跟踪参数传 递路径。
其中, G/U网络 250的电路交换域 (Circuit Switched Domain, CS)业务 的 E2E Trace通过 EMS270根据归属位置寄存器 (Home Location Register, HLR) 的配置下发跟踪参数, 用户在触发业务时, HLR向 MSC Server255下 发激活 E2E Trace消息, 由 MSC Server255向 BSS251或 MGW254下发 E2E Trace激活消息。 G/U网络 250的分组交换域 (Packet Switch Domain, PS ) 业务的 E2E Trace同样是通过 EMS270根据 HLR的配置下发跟踪参数, HLR 向 SGSN252下发激活 E2E Trace消息, 由 SGSN252向 BSS251或 GGSN253 下发 E2E Trace激活消息。 G/U网络 250的 E2E Trace也可通过 EMS270直接 向 CS网络的 MSC Server255或 PS网络的 SGSN252下发跟踪参数来触发。 业务进行过程中, 各网元将跟踪的消息上报到指定的 TCE。
TCE对各网元上报的跟踪消息标识同一个用户的同一个会话的跟踪文 件, 进行解析并呈现给用户, 方便定位问题。
但图 3和图 4所示的现有 E2E Trace流程仅能针对信令流程进行跟踪, 可以用于业务接入、 业务保持方面问题的运维诊断, 但是没有覆盖涉及用户 的业务端到端的传输服务质量的问题的检测。
为了对涉及用户的业务端到端的传输服务质量的问题进行检测, 现有技 术可以通过网元内部用户跟踪抓包或者网元外部接口探针抓包分析的方法进 行。 图 5为网元内部用户跟踪抓包及网元外部接口探针抓包示意图, 图 5中 采用与图 2相同的网络架构, 其中与图 2相同的部分不再赘述。
根据上述针对图 2的描述可知, 业务的媒体面数据仅通过网络中的某些 网元设备, 因此, 针对用户的业务端到端的传输服务质量的问题的检测可以 仅针对进行业务的媒体面数据传输和处理的网元进行。如图 5所示, EMS270 可以通过路径 510依次针对 E-UTRAN212、 PGW214, SBC (P-CSCF) 231 等影响用户的业务端到端的传输服务质量的媒体面网元设备进行用户跟踪抓 包分析, 逐个网元排查 IP传输导致的丢包、 时延、 抖动等影响用户的业务端 到端的传输服务质量的参数, 确定引入问题网元设备。 这即为采用网元内部 用户跟踪抓包的方法。
同样地, 对于网元外部接口探针设备, 则是由跟踪收集网元 TCE511通 过路径 520在各个网元(E-UTRAN212、 SGW213, PGW214, SBC (P-CSCF) 232) 的外部接口抓包分析, 逐个接口排查 IP传输导致的丢包、 时延、 抖动 等影响用户的业务端到端的传输服务质量的参数, 确定引入问题网元设备。 这即为采用网元外部接口探针抓包的方法。 虽然网元内用户跟踪抓包或网元外接口探针抓包分析等技术手段可覆盖 用户的业务端到端的传输服务质量的问题的检测, 但是逐一排除网元或接口 的方式较为费时、 费力, 定位时间较长, 检测效率较低。
图 6为本发明实施例提供的移动通信网络检测方法实施例一的流程图, 如图 6所示, 本实施例的方法包括:
步骤 S601 , 网元管理设备接收业务数据流的传输路径上经过的多个网元 设备发送的服务质量信息; 其中, 所述服务质量信息用于指示网元设备传输 业务数据流的服务质量, 多个网元设备包括基站设备和核心网设备。
具体地, 由于现有的针对用户的业务端到端的传输服务质量的问题的检 测依赖于逐一网元或接口的跟踪抓包分析, 从而定位时间较长, 检测效率低。 网络中传输的每个业务的数据流会经过多个网元设备, 当业务数据流经过的 网元设备出现故障时, 就会影响该业务数据流的服务质量。 针对上述特点, 本实施例中网元管理设备针对每个业务的数据流, 接收一个业务数据流的传 输路径上的多个网元设备发送的服务质量信息, 该服务质量信息是每个网元 设备对于各自传输的该业务数据流的服务质量进行检测后向网元管理设备发 送的。 网元设备向网元管理设备发送的服务质量信息可以是当网元设备检测 到所传输的业务数据流的服务质量低于预设阈值时发送的, 也可以是网元设 备周期性地向网元管理设备发送所传输的业务数据流的服务质量。 向网元管 理设备发送服务质量信息的网元设备可以是网络中的基站设备, 例如 E-UTRAN. BSS等,或者网元设备还可以是网络中的核心网设备、例如 SGW、 PGW、 SBC (P-CSCF)等。 本实施例中的网元管理设备是部署在网络中, 能 够接收网络中各网元设备发送的信息的集中式管理设备, 例如 EMS或 TCE 等设备。 需要说明的是, 在实际的部署中, 根据不同的运营需求, TCE可以 集成在其他的网元设备中, 可以是独立的网元设备。
步骤 S602, 网元管理设备根据多个网元设备发送的服务质量信息确定业 务数据流的传输路径的服务质量。
具体地, 当网元管理设备接收到多个网元设备发送的服务质量信息后, 网元管理设备即可获知该业务数据流的传输路径的服务质量, 网元管理设备 对接收到的服务质量进行分析后就可以得出该业务的服务质量, 并且可以快 速确定影响业务服务质量的网元。 本实施例中, 网元设备发送的服务质量信息可以称为网络协议服务质量
(Internet Protocol Quality of Service, IPQoS ) , IPQoS包括丢包、 时延、 抖 动和 /或主观评价得分 (Mean Opinion Score, MOS ) 等能够表征网元设备所 传输的业务端到端的传输服务质量的参数。
本实施例, 通过网元管理系统接收业务数据流的传输路径上经过的多个 网元设备发送的传输该业务数据流的服务质量信息, 使网元管理系统通过比 较各个网元设备传输该业务数据流的服务质量信息, 能够快速检测该业务数 据流传输的服务质量, 便于快速定位问题, 提高了针对业务体验的运维效率, 节约了运维的成本。
本发明实施例提供的移动通信网络检测方法中, 网元管理设备接收的服 务质量信息可以基于两种属性, 分别为基于业务数据流的承载属性和基于业 务数据流的业务属性。 另外, 网络中的业务数据流也分为上行数据流和下行 数据流。 下面分别对业务数据流的两种属性和上、 下行数据流的组合对本发 明实施例提供的移动通信网络检测方法进行说明。
当业务数据流为上行数据流时, 基站设备发送的服务质量信息为接收到 的承载该业务数据流的分组数据汇聚协议(Packet Data Convergence Protocol, PDCP)数据包的服务质量信息, 核心网设备发送的服务质量信息为接收到的 承载该业务数据流的通用分组无线业务隧道协议 (general packet radio service tunneling protocol, GTP) 数据包的服务质量信息。
当业务数据流为下行数据流时, 基站设备发送的服务质量信息为接收到 的承载该业务数据流的 GTP数据包的服务质量信息和发送的承载该业务数据 流的 PDCP数据包的服务质量信息。
当业务数据流为上行数据流时, 基站设备和核心网设备发送的服务质量 信息为接收到的承载该业务数据流的业务协议数据包的服务质量信息;其中, 该业务协议是基于该业务数据流的业务属性的。
当业务数据流为下行数据流时, 基站设备发送的服务质量信息为接收到 的和发送的承载该业务数据流的业务协议数据包的服务质量信息, 核心网设 备发送的服务质量信息为接收到的承载该业务数据流的业务协议数据包的服 务质量; 其中, 该业务协议是基于该业务数据流的业务属性的。
图 7为基于业务数据流的承载属性对网络的服务质量信息进行检测的信 令流程图, 图 8为基于业务应用属性对网络的服务质量信息进行检测的信令 流程图。 图 7和图 8仅针对 LTE网络进行说明, 但其他网络的服务质量信息 检测方法与 LTE网络类似, 此处不再赘述。
如图 7所示, 对于 LTE网络而言, 业务媒体面报文通过建立在 UE和演 进型基站 (evolved Node B, eNB ) ( g卩 E-UTRAN) 之间的空口无线分组数 据汇聚协议(Packet Data Convergence Protocol, PDCP)承载, 以及建立 eNB、 SGW、 PGW网元设备之间的通用分组无线业务隧道协议(general packet radio service tunneling protocol, GTP) 承载传输。
PDCP 承载和 GTP 承载传输的报文存在对应的序列号, 因此可以基于 PDCP承载或 GTP承载报文的序列号 (Sequence Number, SN)和网元设备本地 的接收时间等进行 IPQoS的采集。 例如, PDCP承载或 GTP承载每次传输的 报文都具有序列号, 连续传输的报文的序列号是连续的, 如果在报文传输的 过程中出现报文丢失, 则报文的序列号会出现不连续, 可以根据不连续的报 文序列号的发生频率和不连续的序列号间隔大小确定 IPQoS。
由于 PDCP承载和 GTP承载均是建立在业务媒体传输路径中网元设备之 间, 因此网元设备基于业务承载跟踪采集到的 IPQoS反映了两个网元设备端 点之间的业务影响。
图 7中, 步骤 S701中 UE通过 Uu空口向 eNB发送数据的上行承载的 IPQoS由 eNB采集, 步骤 S702中 eNB通过 S-U口向 SGW发送数据的上行 承载的 IPQoS由 SGW采集, 步骤 S703中 SGW通过 S5/S8口向 PGW发送 数据的上行承载的 IPQoS由 PGW采集。 步骤 S704中 PGW通过 S5/S8口向 SGW发送数据的下行承载的 IPQoS由 SGW采集, 步骤 S705中 SGW通过 S-U口向 eNB发送数据的下行承载的 IPQoS由 eNB采集, 步骤 S706中 eNB 通过 Uu空口向 UE发送数据的下行承载的 IPQoS由 eNB采集。采集到 IPQoS 的网元设备根据指示可以将 IPQoS发送到网元管理设备。 网元管理设备可以 根据收集的 IPQoS确定两个网元之间的承载是否存在影响业务端到端的传输 服务质量的问题, 从而确定存在问题的具体网元和接口。 图中步骤 S701、 步 骤 S702和步骤 S703中检测的是上行数据流, 步骤 S704、 步骤 S705和步骤 S706中检测的是下行数据流。 从上述的采集过程中可知, 对服务质量进行采 集的网元设备通常是数据报文的接收方,当数据报文的接收方为用户设备时, 可以由网络侧设备, 例如基站, 进行服务质量的采集。 本领域技术人员应知, 针对不同的采集需求, 也可以由数据报文的发送方对所其所传输的数据报文 的服务质量进行采集。
当检测的业务数据流为上行数据流时, eNB采集到的 IPQoS为接收到的 承载该业务数据流的 PDCP数据包的服务质量信息; 核心网设备, 如 SGW、 PGW, 采集到的 IPQoS为接收到的承载该业务数据流的 GTP数据包的服务 质量信息。
当检测的业务数据流为下行数据流时, eNB采集到的 IPQoS为接收到的 承载该业务数据流的 GTP数据包的服务质量信息和发送的承载该业务数据流 的 PDCP数据包的服务质量信息; 核心网设备, 如 SGW, 采集到的 IPQoS 为接收到的承载该业务数据流的 GTP数据包的服务质量信息。
图 7中仅示出了 PDCP承载和 GTP承载下 IPQoS的采集方法,但本发明 实施例提供的移动通信网络检测方法中, 不限于 PDCP承载和 GTP承载, 基 于其他形式的网络承载协议同样可以进行与图 7类似的 IPQoS的采集。
如图 8所示, 其与图 7的差异主要是图 7是基于业务的承载属性对网络 的服务质量进行检测, 而图 8是基于业务数据流的业务属性进行检测。通常, 可以通过对业务数据流的业务层的数据报文进行检测以实现基于业务数据流 的业务属性的服务质量的检测。 图 8以基于业务数据流的应用层对网络的服 务质量进行检测, 也就是说基于 UE和应用服务器(APP Server)之间的应用 层进行 IPQoS的采集。
例如对于语音业务而言, UE和 IMS服务器之间建立实时传输协议 (Real-time Transport Protocol, RTP) , 因此语音业务的业务属性可以包括 RTP应用属性。 RTP应用属性中包含语音报文的序列号 SN, 以及不同的语音 编解码对应的采样周期, 因此可以基于语音报文的 RTP应用属性进行 IPQoS 的采集。 例如, RTP应用属性中包含语音报文的序列号, 连续传输的语音报 文的序列号是连续的, 如果在语音报文传输的过程中出现报文丢失, 则语音 报文的序列号会出现不连续, 可以根据不连续的语音报文序列号的发生频率 和不连续的序列号间隔大小确定 IPQoS。
LTE网元设备位于 UE和 APP Server的中间传输位置, 因此网元设备基 于业务属性跟踪采集到的 IPQoS反映了 UE或 APP Server和网元设备之间的 业务影响。
图 8中, UE与 APP Server之间进行业务传输时, 需要通过 eNB、 SGW、 PGW等网元的转发,对于上行业务,在步骤 S801中 eNB采集从 UE通过 Uu 空口向 eNB发送上行数据的 IPQoS, 在步骤 S802中 SGW采集 UE与 SGW 之间传输的业务的 IPQoS, 在步骤 S803中 PGW采集 UE与 PGW之间传输 的业务的 IPQoS,在步骤 S804中 APP Server采集 UE与 APP Server之间传输 的业务的 IPQoS。对于下行业务,在步骤 S805中 PGW采集 APP Server与 PGW 之间传输的业务的 IPQoS, 在步骤 S806中 SGW采集 APP Server与 SGW之 间传输的业务的 IPQoS, 在步骤 S807中 eNB采集 APP Server与 eNB之间传 输的业务的 IPQoS,在步骤 S808中 APP Server采集 APP Server与 UE之间传 输的业务的 IPQoS。 从上述的采集过程中可知, 对服务质量进行采集的网元 设备通常是数据报文的接收方, 当数据报文的接收方为用户设备时, 可以由 网络侧设备, 例如基站, 进行服务质量的采集。 本领域技术人员应知, 针对 不同的采集需求, 也可以由数据报文的发送方对所其所传输的数据报文的服 务质量进行采集。
采集到 IPQoS的网元设备根据指示可以将 IPQoS发送到网元管理设备。 网元管理设备可以根据收集的 IPQoS确定对于某一业务网络中是否存在影响 业务端到端的传输服务质量的问题, 并且根据上报 IPQoS的网元确定存在问 题的网元和接口。 图中步骤 S801、 步骤 S802、 S803和步骤 S804中检测的是 上行数据流, 步骤 S805、 步骤 S806、 步骤 S807和步骤 S808中检测的是下 行数据流。
当检测的业务数据流为上行数据流时, eNB 和核心网设备 (如 SGW、 PGW, APP Server) , 采集到的 IPQoS为接收到的承载该业务数据流的业务 协议数据包的服务质量信息, 其中, 该业务协议是基于该业务数据流的业务 属性的。
当检测的业务数据流为上行数据流时, eNB采集到的 IPQoS为接收到的 和发送的承载该业务数据流的业务协议数据包的服务质量信息; 核心网设备 (如 SGW、 PGW, APP Server) , 采集到的 IPQoS为接收到的承载该业务数 据流的业务协议数据包的服务质量, 其中, 该业务协议是基于该业务数据流 的业务属性的。 进一步地, 图 6所示实施例中, 网元管理设备根据多个网元设备发送的 服务质量信息确定业务数据流的传输路径的服务质量包括: 网元管理设备根 据多个网元设备发送的服务质量信息确定业务数据流的传输路径上服务质量 最差的网元设备。
具体地, 由于对业务端到端的传输服务质量影响最大的网元设备为业务 数据流的传输路径上服务质量最差的网元设备, 因此, 当网元管理设备接收 到业务数据流的传输路径上的多个网元设备发送的服务质量信息后, 确定业 务流的传输路径上服务质量最差的网元设备, 则可以找到对业务数据流影响 最大的网元设备。 对该网元设备进行修复则可以最大程度上提高该业务数据 流的传输路径的传输质量, 这样就可以最快速地对网络中影响业务数据流端 到端的传输服务质量的问题进行检测和维护。
进一步地, 网元管理设备接收到多个网元设备发送的服务质量信息后, 本发明实施例提供的移动通信网络检测方法还包括: 网元管理设备根据多个 网元设备发送的服务质量信息生成统计图, 该统计图用于表示传输路径的服 务质量的变化情况。
具体地, 当网元管理设备接收到业务数据流的传输路径上的多个网元设 备发送的服务质量信息后, 还可以根据多个服务质量信息生成一个统计图, 该统计图用于表征业务数据流的整个传输路径上各网元的服务质量, 对于每 个业务数据流建立这样的统计图, 则可以直观地看到每个业务数据流的服务 质量, 便于网络运维人员有针对性的对网络中的各网元设备进行维护。
进一步地, 网络中的各网元设备可以根据自身的预设机制周期性地向网 元管理设备发送服务质量信息, 也可以是当网元管理设备向网络中的多个网 元设备发送检测指示信息后, 网元设备再向网元管理设备传输业务数据流的 服务质量信息。
网元管理设备向网络中的多个网元设备发送检测指示信息的具体方法可 以为: 结合如图 3和图 4所示的各网络的 E2E Trace跟踪流程, 网元管理设 备向各网元发送跟踪参数的同时, 还向各网元设备发送检测指示信息。 网元 管理设备可以向网络控制网元 (如 IMS 网络中的 I/S-CSCF, G/U 网络中的 MSC Server等) 发送端到端跟踪任务激活信令, 该端到端跟踪任务激活信令 中包括检测指示信息, 以使网络控制网元向多个网元设备发送检测指示信息; 网元管理设备还可以向归属用户服务器发送端到端跟踪任务激活信令, 以使 归属用户服务器将检测指示信息发送至网络控制网元后, 网络控制网元向多 个网元设备发送检测指示信息。
另外, 网元管理设备发送的端到端跟踪任务激活信令中还包括待检测网 元设备信息, 以使网络控制网元向待检测网元设备发送所述检测指示信息。 即网元管理设备可以指定需要上报服务质量信息的网元设备, 使网络控制网 元仅向指定的需要上报服务质量信息的网元设备发送检测指示信息。
进一步地, 端到端跟踪任务激活信令中还包括任务类型信元, 任务类型 信元用于指示多个网元设备向网元管理设备发送跟踪信令消息和 /或检测指 示信息。 即网元管理设备可以指示网元设备进行原有的 E2E Trace跟踪流程 和 /或本发明实施例提供的移动通信网络检测方法。
具体地, 在本发明实施例中, 网元管理设备触发网元设备进行服务质量 信息的采集和上报是通过扩展原有的 E2E Trace流程实现的, 而为了确保原 E2E Trace流程仍能正常进行, 并且原有的 E2E Trace针对信令的采集和上报 机制不受影响, 可以在 E2E Trace激活信令中扩展增加任务类型 (Job Type) 信元, Job Type信元用于标识 E2E Trace的任务类型, Job Type信元可以分为 三种,分别为仅跟踪信令(Trace Signalling only)、仅跟踪服务质量信息(Trace IPQoS only) 、 同时跟踪信令和服务质量信息 ( Trace Signalling and IPQoS ) , 其对应的 E2E Trace流程分别为与现有技术相同的仅对信令进行采集和上报、 如上述实施例所述的仅对服务质量信息进行采集和上报、 同时对信令和服务 质量信息进行采集和上报。 这样, 可以在不影响原有的 E2E Trace流程的基 础上, 选择性地对服务质量信息进行采集和上报, 提供了更加灵活的网络检 测方法。
进一步地, 上述各实施例中, 核心网设备包括服务网关和数据网关。 IPQoS检测指示信息的传递有两种情况, 第一种是用户在附着 (Attach)
/跟踪区更新 (Tracking Area Update, TAU) /切换 (Handover) 的过程中的传 递流程, 另一种是用户在附着 /跟踪区更新 /切换后的传递流程。
图 9和图 10以 LTE网络为例, 对 IPQoS检测指示信息的传递流程进行 说明, 其中图 9和图 10中仅以 UE通过附着流程接入 MME的场景为例进行 说明。 图 9为 LTE网络中用户接入 MME过程中的场景下, IPQoS检测指示信 息的传递信令流程图。 EMS通过跟踪任务激活信令下发 IPQoS检测指示信令, 接收到 IPQoS检测指示信令的网元通过创建任务请求或者网元之间的已有消 息相互传递 IPQoS检测指示信令。如图 9所示,在步骤 S901中, EMS向 HSS 发送跟踪任务激活信令 (Trace Session Activation) , 其中包括跟踪任务类型 (Job Type)信元; 在步骤 S902中, HSS保存跟踪任务激活信令中的跟踪控 制和配置参数(Trace Control and Configuration parameters);在步骤 S903中, UE向 eNB发送附着请求消息 (Attach Request) ; eNB接收到 UE发送的附 着请求消息后, 在步骤 S904中向 MME转发该附着请求消息; MME接收到 UE发送的附着请求消息后,在步骤 S905中向 HSS发送位置更新请求 (Update Location Request) ; HSS接收到位置更新请求后, 在步骤 S906中向 MME发 送位置更新应答 (Update Location Answer) , 其中携带跟踪任务类型信元; 在步骤 S907中 MME保存跟踪控制和配置参数,并依据跟踪控制和配置参数 中的任务类型信元的指示启动信令跟踪流程;在步骤 S908中, MME向 SGW 发送创建任务请求 (Create Session Request) , 其中携带跟踪任务类型信元; 在步骤 S909中 SGW保存跟踪控制和配置参数, 并依据跟踪控制和配置参数 中的任务类型信元的指示启动信令跟踪流程和 /或 IPQoS 跟踪流程; 在步骤 S910中, SGW向 PGW发送创建任务请求, 其中携带跟踪任务类型信元; 在 步骤 S911中 PGW保存跟踪控制和配置参数, 并依据跟踪控制和配置参数中 的任务类型信元的指示启动信令跟踪流程和 /或 IPQoS跟踪流程;在步骤 S912 中, PGW向 SGW发送创建任务响应(Create Session Response);在步骤 S913 中, SGW向 MME发送创建任务响应; 在步骤 S914中, MME向 eNB发送 初始上下文建立请求 (Initial Context Setup Request) , 其中携带跟踪任务类 型信元; 在步骤 S915中 eNB保存跟踪控制和配置参数, 并依据跟踪控制和 配置参数中的任务类型信元的指示启动信令跟踪流程和 /或 IPQoS跟踪流程。
需要说明的是, 图 9中, MME还可以直接接收从 EMS发送的跟踪控制 和配置参数, 而不需要通过 HSS 的转发。 在跟踪区更新 /切换 (tracing area update/handover, TAU/Handover)流程中, MME还可以接收从对端 MME传输 来的跟踪控制和配置参数。步骤 S908和步骤 S914可以是并发进行的。总之, MME通过 Attach/TAU/Handover流程消息传递跟踪参数到 SGW/PGW、 通过 Attach/Service Request/Handover流程消息传递跟踪参数到 eNB。
图 10为 LTE网络中用户已接入 MME的场景下, IPQoS检测指示信息的 传递信令流程图, 如图 10所示, 在步骤 S1001中, EMS向 HSS发送跟踪任 务激活信令, 其中包括跟踪任务类型信元; 在步骤 S1002中, HSS保存跟踪 控制和配置参数;在步骤 S1003中 HSS向 MME发送插入用户数据请求(Insert Subscriber Data Request) ,其中携带跟踪任务类型信元;在步骤 S1004中 MME 向 HSS返回插入用户数据应答(Insert Subscriber Data Answer);在步骤 S1005 中 MME保存跟踪控制和配置参数, 并依据跟踪控制和配置参数中的任务类 型信元的指示启动信令跟踪流程; 在步骤 S1006中, MME向 SGW发送跟踪 任务激活信令, 其中携带跟踪任务类型信元; 在步骤 S1007中 SGW保存跟 踪控制和配置参数, 并依据跟踪控制和配置参数中的任务类型信元的指示启 动信令跟踪流程和 /或 IPQoS跟踪流程;在步骤 S1008中, SGW向 PGW发送 跟踪任务激活信令, 其中携带跟踪任务类型信元; 在步骤 S1009中 PGW保 存跟踪控制和配置参数, 并依据跟踪控制和配置参数中的任务类型信元的指 示启动信令跟踪流程和 /或 IPQoS跟踪流程; 在步骤 S1010中, MME向 eNB 发送跟踪开始信令(Trace Start),其中携带跟踪任务类型信元;在步骤 S1011 中 eNB保存跟踪控制和配置参数, 并依据跟踪控制和配置参数中的任务类型 信元的指示启动信令跟踪流程和 /或 IPQoS跟踪流程。
需要说明的是, 图 10中, MME还可以直接接收从 EMS发送的跟踪控制 和配置参数, 而不需要通过 HSS的转发。 步骤 S1006和步骤 S1010可以是并 发进行的。 总之, MME 通过跟踪任务激活信令消息传递跟踪参数到 SGW/PGW, 通过跟踪开始信令传递跟踪参数到 eNB。
图 11 为本发明实施例提供的移动通信网络检测装置实施例一的结构示 意图, 如图 11所示, 本实施例的移动通信网络检测装置包括:
接收模块 111, 用于接收业务数据流的传输路径上经过的多个网元设备 发送的服务质量信息; 其中, 所述服务质量信息用于指示所述网元设备传输 所述业务数据流的服务质量,所述多个网元设备包括基站设备和核心网设备。
处理模块 112, 用于根据所述多个网元设备发送的服务质量信息确定所 述业务数据流的所述传输路径的服务质量。
本实施例的移动通信网络检测装置用于执行图 6所示方法实施例的技术 方案, 其实现原理和技术效果相同, 此处不再赘述。
进一步地, 在图 11所示实施例中, 所述业务数据流为上行数据流时, 所 述基站设备发送的服务质量信息为接收到的承载所述业务数据流的 PDCP数 据包的服务质量信息。
进一步地, 在图 11所示实施例中, 所述业务数据流为下行数据流时, 所 述基站设备发送的服务质量信息为接收到的承载所述业务数据流的 GTP数据 包的服务质量信息和发送的承载所述业务数据流的 PDCP数据包的服务质量 信息。
进一步地, 在图 11所示实施例中, 所述核心网设备发送的服务质量信息 为接收到的承载所述业务数据流的 GTP数据包的服务质量信息。
进一步地, 在图 11所示实施例中, 所述业务数据流为上行数据流时, 所 述基站设备和核心网设备发送的服务质量信息为接收到的承载所述业务数据 流的业务协议数据包的服务质量信息; 其中, 所述业务协议是基于所述业务 数据流的业务属性的。
进一步地, 在图 11所示实施例中, 所述业务数据流为下行数据流时, 所 述基站设备发送的服务质量信息为接收到的和发送的承载所述业务数据流的 业务协议数据包的服务质量信息, 所述核心网设备发送的服务质量信息为接 收到的承载所述业务数据流的业务协议数据包的服务质量; 其中, 所述业务 协议是基于所述业务数据流的业务属性的。
进一步地, 在图 11所示实施例中, 所述业务协议包括 RTP。
进一步地, 在图 11所示实施例中, 处理模块 112, 具体用于根据所述多 个网元设备发送的服务质量信息确定所述业务数据流的所述传输路径上服务 质量最差的网元设备。
图 12 为本发明实施例提供的移动通信网络检测装置实施例二的结构示 意图, 如图 12所示, 本实施例的移动通信网络检测装置在图 11的基础上, 还包括:
生成模块 121, 用于根据所述多个网元设备发送的服务质量信息生成统 计图, 所述统计图用于表示所述传输路径的服务质量的变化情况。
图 13 为本发明实施例提供的移动通信网络检测装置实施例三的结构示 意图, 如图 13所示, 本实施例的移动通信网络检测装置在图 12的基础上, 还包括:
发送模块 131, 用于发送检测指示信息至所述多个网元设备, 所述检测 指示信息用于指示检测所述网元设备传输所述业务数据流的服务质量。
进一步地, 在图 13所示实施例中, 发送模块 131, 具体用于向网络控制 网元发送端到端跟踪任务激活信令, 所述端到端跟踪任务激活信令中包括所 述检测指示信息, 以使所述网络控制网元向所述多个网元设备发送所述检测 指示信息; 或者向归属用户服务器发送所述端到端跟踪任务激活信令, 以使 所述归属用户服务器将所述检测指示信息发送至所述网络控制网元后, 所述 网络控制网元向所述多个网元设备发送所述检测指示信息。
进一步地, 在图 13所示实施例中, 所述端到端跟踪任务激活信令中还包 括待检测网元设备信息, 以使所述网络控制网元向所述待检测网元设备发送 所述检测指示信息。
进一步地, 在图 13所示实施例中, 所述端到端跟踪任务激活信令中还包 括任务类型信元, 所述任务类型信元用于指示所述多个网元设备向所述网元 管理设备发送跟踪信令消息和 /或所述检测指示信息。
进一步地, 在图 11至图 13所示实施例中, 所述核心网设备包括服务网 关和数据网关。
进一步地, 在图 11至图 13所示实施例中, 所述服务质量信息包括数据 包的丢包率、 抖动、 时延或者 MOS值。
图 14 为本发明实施例提供的移动通信网络检测装置实施例四的结构示 意图, 如图 14所示, 本实施例的用户设备包括: 接收器 141、 处理器 142。 可选的, 该用户设备还可以包括存储器 143。 其中, 接收器 141、 处理器 142 和存储器 143可以通过系统总线或其他方式相连,图 14中以系统总线相连为 例; 系统总线可以是工业标准结构 (Industrial Standard Architecture, ISA) 总 线、 外部设备互联 (Peripheral Component Interconnect, PCI) 总线或扩展工 业标准结构 (Extended Industrial Standard Architecture, EISA) 总线等。 所述 系统总线可以分为地址总线、 数据总线、 控制总线等。 为便于表示, 图 14中 仅用一条线表示, 但并不表示仅有一根总线或一种类型的总线。
接收器 141, 用于接收业务数据流的传输路径上经过的多个网元设备发 送的服务质量信息; 其中, 所述服务质量信息用于指示所述网元设备传输所 述业务数据流的服务质量, 所述多个网元设备包括基站设备和核心网设备。 处理器 142, 用于根据从接收器 141接收的所述多个网元设备发送的服 务质量信息确定所述业务数据流的所述传输路径的服务质量。
存储器 143, 用于存储接收器 141接收到的信息, 并存储处理器 142处 理完的数据。
本实施例的移动通信网络检测装置用于执行图 6所示方法实施例的技术 方案, 其实现原理和技术效果相同, 此处不再赘述。
进一步地, 在图 14所示实施例中, 所述业务数据流为上行数据流时, 所 述基站设备发送的服务质量信息为接收到的承载所述业务数据流的 PDCP数 据包的服务质量信息。
进一步地, 在图 14所示实施例中, 所述业务数据流为下行数据流时, 所 述基站设备发送的服务质量信息为接收到的承载所述业务数据流的 GTP数据 包的服务质量信息和发送的承载所述业务数据流的 PDCP数据包的服务质量 信息。
进一步地, 在图 14所示实施例中, 所述核心网设备发送的服务质量信息 为接收到的承载所述业务数据流的 GTP数据包的服务质量信息。
进一步地, 在图 14所示实施例中, 所述业务数据流为上行数据流时, 所 述基站设备和核心网设备发送的服务质量信息为接收到的承载所述业务数据 流的业务协议数据包的服务质量信息; 其中, 所述业务协议是基于所述业务 数据流的业务属性的。
进一步地, 在图 14所示实施例中, 所述业务数据流为下行数据流时, 所 述基站设备发送的服务质量信息为接收到的和发送的承载所述业务数据流的 业务协议数据包的服务质量信息, 所述核心网设备发送的服务质量信息为接 收到的承载所述业务数据流的业务协议数据包的服务质量; 其中, 所述业务 协议是基于所述业务数据流的业务属性的。
进一步地, 在图 14所示实施例中, 所述业务协议包括 RTP。
进一步地, 在图 14所示实施例中, 处理器 142, 具体用于根据从接收器 141 接收的所述多个网元设备发送的服务质量信息确定所述业务数据流的所 述传输路径上服务质量最差的网元设备。
进一步地,在图 14所示实施例中,处理器 142,还用于根据从接收器 141 接收的所述多个网元设备发送的服务质量信息生成统计图, 所述统计图用于 表示所述传输路径的服务质量的变化情况。
图 15 为本发明实施例提供的移动通信网络检测装置实施例五的结构示 意图, 如图 15所示, 本实施例的移动通信网络检测装置在图 14的基础上, 还包括:
发送器 151, 用于发送检测指示信息至所述多个网元设备, 所述检测指 示信息用于指示检测所述网元设备传输所述业务数据流的服务质量。
进一步地, 在图 15所示实施例中, 发送器 151, 具体用于向网络控制网 元发送端到端跟踪任务激活信令, 所述端到端跟踪任务激活信令中包括所述 检测指示信息, 以使所述网络控制网元向所述多个网元设备发送所述检测指 示信息; 或者向归属用户服务器发送所述端到端跟踪任务激活信令, 以使所 述归属用户服务器将所述检测指示信息发送至所述网络控制网元后, 所述网 络控制网元向所述多个网元设备发送所述检测指示信息。
进一步地, 在图 15所示实施例中, 所述端到端跟踪任务激活信令中还包 括待检测网元设备信息, 以使所述网络控制网元向所述待检测网元设备发送 所述检测指示信息。
进一步地, 在图 15所示实施例中, 所述端到端跟踪任务激活信令中还包 括任务类型信元, 所述任务类型信元用于指示所述多个网元设备向所述网元 管理设备发送跟踪信令消息和 /或所述检测指示信息。
进一步地, 在图 14和图 15所示实施例中, 所述核心网设备包括服务网 关和数据网关。
进一步地, 在图 14和图 15所示实施例中, 所述服务质量信息包括数据 包的丢包率、 抖动、 时延或者 MOS值。
最后应说明的是: 以上各实施例仅用以说明本发明的技术方案, 而非对 其限制; 尽管参照前述各实施例对本发明进行了详细的说明, 本领域的普通 技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改, 或者对其中部分或者全部技术特征进行等同替换。 因此, 本发明的保护范围 应以权利要求的保护范围为准。

Claims

权利 要 求 书
1、 一种移动通信网络检测方法, 其特征在于, 包括:
网元管理设备接收业务数据流的传输路径上经过的多个网元设备发送的 服务质量信息; 其中, 所述服务质量信息用于指示所述网元设备传输所述业 务数据流的服务质量, 所述多个网元设备包括基站设备和核心网设备;
所述网元管理设备根据所述多个网元设备发送的服务质量信息确定所述 业务数据流的所述传输路径的服务质量。
2、 根据权利要求 1所述的方法, 其特征在于, 所述业务数据流为上行数 据流时, 所述基站设备发送的服务质量信息为接收到的承载所述业务数据流 的分组数据汇聚协议 PDCP数据包的服务质量信息。
3、 根据权利要求 1或 2所述的方法, 其特征在于, 所述业务数据流为下 行数据流时, 所述基站设备发送的服务质量信息为接收到的承载所述业务数 据流的通用分组无线业务隧道协议 GTP数据包的服务质量信息和发送的承载 所述业务数据流的 PDCP数据包的服务质量信息。
4、 根据权利要求 1〜3任一项所述的方法, 其特征在于, 所述核心网设 备发送的服务质量信息为接收到的承载所述业务数据流的 GTP数据包的服务 质量信息。
5、 根据权利要求 1所述的方法, 其特征在于, 所述业务数据流为上行数 据流时, 所述基站设备和核心网设备发送的服务质量信息为接收到的承载所 述业务数据流的业务协议数据包的服务质量信息; 其中, 所述业务协议是基 于所述业务数据流的业务属性的。
6、 根据权利要求 1或 5所述的方法, 其特征在于, 所述业务数据流为下 行数据流时, 所述基站设备发送的服务质量信息为接收到的和发送的承载所 述业务数据流的业务协议数据包的服务质量信息, 所述核心网设备发送的服 务质量信息为接收到的承载所述业务数据流的业务协议数据包的服务质量; 其中, 所述业务协议是基于所述业务数据流的业务属性的。
7、 根据权利要求 5或 6所述的方法, 其特征在于, 所述业务协议包括实 时传输协议 RTP。
8、 根据权利要求 1〜7任一所述的方法, 其特征在于, 所述网元管理设 备根据所述多个网元设备发送的服务质量信息确定所述业务数据流的所述传 输路径的服务质量包括:
所述网元管理设备根据所述多个网元设备发送的服务质量信息确定所述 业务数据流的所述传输路径上服务质量最差的网元设备。
9、 根据权利要求 1〜8任一所述的方法, 其特征在于, 还包括: 所述网元管理设备根据所述多个网元设备发送的服务质量信息生成统计 图, 所述统计图用于表示所述传输路径的服务质量的变化情况。
10、 根据权利要求 1〜9任一所述的方法, 其特征在于, 还包括: 所述网元管理设备发送检测指示信息至所述多个网元设备, 所述检测指 示信息用于指示检测所述网元设备传输所述业务数据流的服务质量。
11、 根据权利要求 10所述的方法, 其特征在于, 所述网元管理设备发送 检测指示信息至所述多个网元设备, 包括:
所述网元管理设备向网络控制网元发送端到端跟踪任务激活信令, 所述 端到端跟踪任务激活信令中包括所述检测指示信息, 以使所述网络控制网元 向所述多个网元设备发送所述检测指示信息;
或者所述网元管理设备向归属用户服务器发送所述端到端跟踪任务激活 信令, 以使所述归属用户服务器将所述检测指示信息发送至所述网络控制网 元后, 所述网络控制网元向所述多个网元设备发送所述检测指示信息。
12、 根据权利要求 11所述的方法, 其特征在于, 所述端到端跟踪任务激 活信令中还包括待检测网元设备信息, 以使所述网络控制网元向所述待检测 网元设备发送所述检测指示信息。
13、 根据权利要求 11或 12所述的方法, 其特征在于, 所述端到端跟踪 任务激活信令中还包括任务类型信元, 所述任务类型信元用于指示所述多个 网元设备向所述网元管理设备发送跟踪信令消息和 /或所述检测指示信息。
14、 根据权利要求 1〜13任一所述的方法, 其特征在于, 所述核心网设 备包括服务网关和数据网关。
15、 根据权利要求 1〜14任一所述的方法, 其特征在于, 所述服务质量 信息包括数据包的丢包率、 抖动、 时延或者主观评价得分 MOS值。
16、 一种移动通信网络检测装置, 其特征在于, 包括:
接收模块, 用于接收业务数据流的传输路径上经过的多个网元设备发送 的服务质量信息; 其中, 所述服务质量信息用于指示所述网元设备传输所述 业务数据流的服务质量, 所述多个网元设备包括基站设备和核心网设备; 处理模块, 用于根据所述多个网元设备发送的服务质量信息确定所述业 务数据流的所述传输路径的服务质量。
17、 根据权利要求 16所述的移动通信网络检测装置, 其特征在于, 所述 业务数据流为上行数据流时, 所述基站设备发送的服务质量信息为接收到的 承载所述业务数据流的分组数据汇聚协议 PDCP数据包的服务质量信息。
18、根据权利要求 16或 17所述的移动通信网络检测装置, 其特征在于, 所述业务数据流为下行数据流时, 所述基站设备发送的服务质量信息为接收 到的承载所述业务数据流的通用分组无线业务隧道协议 GTP数据包的服务质 量信息和发送的承载所述业务数据流的 PDCP数据包的服务质量信息。
19、根据权利要求 16〜18任一项所述的移动通信网络检测装置, 其特征 在于, 所述核心网设备发送的服务质量信息为接收到的承载所述业务数据流 的 GTP数据包的服务质量信息。
20、 根据权利要求 16所述的移动通信网络检测装置, 其特征在于, 所述 业务数据流为上行数据流时, 所述基站设备和核心网设备发送的服务质量信 息为接收到的承载所述业务数据流的业务协议数据包的服务质量信息;其中, 所述业务协议是基于所述业务数据流的业务属性的。
21、根据权利要求 16或 20所述的移动通信网络检测装置, 其特征在于, 所述业务数据流为下行数据流时, 所述基站设备发送的服务质量信息为接收 到的和发送的承载所述业务数据流的业务协议数据包的服务质量信息, 所述 核心网设备发送的服务质量信息为接收到的承载所述业务数据流的业务协议 数据包的服务质量; 其中, 所述业务协议是基于所述业务数据流的业务属性 的。
22、根据权利要求 20或 21所述的移动通信网络检测装置, 其特征在于, 所述业务协议包括实时传输协议 RTP。
23、根据权利要求 16〜22任一所述的移动通信网络检测装置, 其特征在 于, 所述处理模块, 具体用于根据所述多个网元设备发送的服务质量信息确 定所述业务数据流的所述传输路径上服务质量最差的网元设备。
24、根据权利要求 16〜23任一所述的移动通信网络检测装置, 其特征在 于, 还包括: 生成模块,用于根据所述多个网元设备发送的服务质量信息生成统计图, 所述统计图用于表示所述传输路径的服务质量的变化情况。
25、根据权利要求 16〜24任一所述的移动通信网络检测装置, 其特征在 于, 还包括:
发送模块, 用于发送检测指示信息至所述多个网元设备, 所述检测指示 信息用于指示检测所述网元设备传输所述业务数据流的服务质量。
26、 根据权利要求 25所述的移动通信网络检测装置, 其特征在于, 所述 发送模块, 具体用于向网络控制网元发送端到端跟踪任务激活信令, 所述端 到端跟踪任务激活信令中包括所述检测指示信息, 以使所述网络控制网元向 所述多个网元设备发送所述检测指示信息; 或者向归属用户服务器发送所述 端到端跟踪任务激活信令, 以使所述归属用户服务器将所述检测指示信息发 送至所述网络控制网元后, 所述网络控制网元向所述多个网元设备发送所述 检测指示信息。
27、 根据权利要求 26所述的移动通信网络检测装置, 其特征在于, 所述 端到端跟踪任务激活信令中还包括待检测网元设备信息, 以使所述网络控制 网元向所述待检测网元设备发送所述检测指示信息。
28、根据权利要求 26或 27所述的移动通信网络检测装置, 其特征在于, 所述端到端跟踪任务激活信令中还包括任务类型信元, 所述任务类型信元用 于指示所述多个网元设备向所述网元管理设备发送跟踪信令消息和 /或所述 检测指示信息。
29、根据权利要求 16〜28任一所述的移动通信网络检测装置, 其特征在 于, 所述核心网设备包括服务网关和数据网关。
30、根据权利要求 16〜29任一所述的移动通信网络检测装置, 其特征在 于, 所述服务质量信息包括数据包的丢包率、 抖动、 时延或者主观评价得分 MOS值。
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