WO2011020323A1 - Procédé et dispositif d’établissement de sortie de mode repos pour un réseau de service d’accès - Google Patents

Procédé et dispositif d’établissement de sortie de mode repos pour un réseau de service d’accès Download PDF

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Publication number
WO2011020323A1
WO2011020323A1 PCT/CN2010/071199 CN2010071199W WO2011020323A1 WO 2011020323 A1 WO2011020323 A1 WO 2011020323A1 CN 2010071199 W CN2010071199 W CN 2010071199W WO 2011020323 A1 WO2011020323 A1 WO 2011020323A1
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Prior art keywords
channel
data
data channel
idle
abnormal
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PCT/CN2010/071199
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English (en)
Chinese (zh)
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庞在海
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中兴通讯股份有限公司
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Publication of WO2011020323A1 publication Critical patent/WO2011020323A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition

Definitions

  • the present invention relates to the field of communications, and in particular to an exit IDLE (idle mode) channel establishment method and apparatus for accessing a service network.
  • BACKGROUND With the development of mobile terminal requirements and the widespread application of wireless technologies, 4 Worldwide Interoperability for Microwave Access (WiMAX) technology, which is based on the IEEE802.16 standard, is developing more and more. Rapid and promising.
  • Figure 1 shows the network architecture diagram of WiMAX, where CSN ( Connectivity Service
  • the MS/SS Mobile Station/Subscriber Station
  • ASN Access Service Network
  • NSP Network Service Provider
  • NAP Network Access Provider
  • ASP Application Service Provider
  • Service provider the solid line indicates the bearer plane and the dashed line indicates the control plane.
  • Figure 2 shows the internal structure of the ASN.
  • the AGW ASN Gateway, ASN Convergence Gateway, or ASN-GW
  • the BS Base Station
  • the R6 port consists of a series of The Control Plane and Bearer Plane protocols are used.
  • the AGW further includes an authentication authorization function entity (Authenticator), a channel management function entity DPF (Data Path Function), and a location management function entity PC/LR (Paging Control/Location Register), and the three functional entities may be in the same physical entity. It can also be on different physical entities.
  • the BS mainly provides functions such as radio resource management, power measurement and control, and compression and encryption of air interface data.
  • the Authenticator in the AGW mainly provides authentication, authorization, and accounting functions.
  • the DPF mainly provides channel management and assists the establishment of 3 layers between the upper layer and the MS.
  • PC / LR mainly provides location management, paging and other functions;
  • CSN mainly includes home agent HA (Home Agent), moving
  • the host configuration is configured to implement the DHCP (Dynamic Host Configuration Protocol) server, and the authentication/authorization/accounting AAA (Authentication/Authorization/Accounting) server, which provides accounting, authentication, and authorization. , assign IP addresses, Internet service access and other functions.
  • DHCP Dynamic Host Configuration Protocol
  • AAA Authentication/Authorization/Accounting
  • the related art provides an exit IDLE channel establishment method for the ASN. When the user enters the IDLE, the radio side resource part is released, and the channel between the BS and the AGW is also released, and all the information of the user is saved in the ASN.
  • the method includes the following steps: Step 302, exit The message exchange before the IDLE channel is established, and the user information is obtained.
  • the inventors have found that the method for establishing an exit ASN channel for an ASN in the related art has the following problems when multiple data channels are simultaneously required to be established:
  • step 306 even if the data channel in the exit IDLE channel setup response message received by the BS is all successful, an abnormality may occur during the processing of the BS, causing partial data channel failure, but the BS sends the data to the DPF. There is no channel information in the IDLE channel setup confirmation message, so it is impossible to notify the DPF which are the failed data channels. At this time, the DPF considers that the data channel is all successful.
  • step 4 308 after receiving the acknowledgment message of the IDLE channel establishment, the DPF may cause an abnormality in the process and cause some data channels to fail. At this time, the DPF cannot notify the BS of the failure; the above two questions will be The number of data channels on the BS and the AGW is inconsistent.
  • the first problem causes the number of data channels on the AGW to be more than the number of data channels on the BS. At this time, when the AGW selects the data channel that the AGW has and the BS does not.
  • the second problem causes the number of data channels on the BS to be more than the number of data channels on the AGW.
  • the present invention is directed to an exit IDLE channel establishment method for accessing a service network, which can solve the method for establishing an exit IDLE channel for accessing a monthly service network in the related art, when multiple data channels are simultaneously required to be established. Because the number of data channels on the BS and the AGW is inconsistent, the utilization of the BS or AGW resources is relatively low, and the success rate of the data channel establishment is low, which is not conducive to the problem of engaging in data services.
  • a channel establishment method for exiting an idle mode IDLE for accessing a service network including the following steps: when a user exits IDLE, an access network element of the access service network
  • the data channel is established between the two ends of the data channel.
  • the network element at the two ends of the data channel detects that the data channel is abnormally connected. If the abnormal link is detected, the abnormal NEs at the two ends notify the peer NEs in the NEs of the two ends to delete the connection abnormally.
  • Data channel when a user exits IDLE, an access network element of the access service network.
  • whether the network element at both ends of the data channel detects whether the data channel is abnormally connected includes: detecting whether the data channel is abnormally connected by the base station of the data channel; and detecting data of the access service network convergence gateway of the data channel Whether the channel is connected abnormally.
  • the detecting, by the base station of the data channel, whether the data channel is abnormally connected comprises: detecting, by the base station, whether there is a failed channel in the process of processing the exit IDLE channel setup response message.
  • the access service network convergence gateway of the data channel detects whether the data channel is abnormally connected, and specifically includes: the channel management function entity in the access service network aggregation gateway detects that the confirmation is established on the exit IDLE channel. Whether there is a failed channel during the processing of the message.
  • the abnormal end network element in the network element at both ends notifies the peer network element in the two network elements to delete the data channel whose connection is abnormal, and specifically includes:
  • the end network element is a base station, and the base station sends a channel deletion request message to the channel management function entity in the access service network convergence gateway, where the channel deletion request message includes a data channel with abnormal connection; the channel management function entity deletes according to the received channel deletion request message.
  • An abnormal data channel is connected, and a channel deletion response message is sent to the base station; the base station sends a channel deletion confirmation message to the channel management function entity according to the received channel deletion response message.
  • the abnormal end network element in the network element at both ends notifies the peer network element in the two network elements to delete the data channel whose connection is abnormal, and specifically includes:
  • the end network element is an access service network convergence gateway, and the channel management function entity in the access service network convergence gateway sends a channel deletion request message to the base station, and the channel deletion request message includes a data channel with abnormal connection; the base station deletes the request according to the received channel.
  • the message deletes the abnormal data channel, and sends a channel deletion response message to the channel management function entity; the channel management function entity sends a channel deletion confirmation message to the base station according to the received channel deletion response message.
  • establishing a data channel between the network elements of the access service network specifically includes: the base station and the location management function entity in the access service network convergence gateway exiting The message exchange before the IDLE channel is established to obtain user information; the base station sends an exit IDLE channel establishment request message to the channel management function entity in the access service network convergence gateway; the channel management function entity processes the exit IDLE channel establishment request message, and sends the request message to the base station. Sending an exit IDLE channel setup response message; the base station sends an exit IDLE channel acknowledgement message to the channel management function entity to confirm that the data channel setup is complete.
  • a channel establishing apparatus for accessing an idle mode IDLE of a service network including: an establishing module, configured to: when a user exits IDLE, in an access service A data channel is set up between the network elements of the network.
  • the detection module is configured to detect whether the network elements at both ends of the data channel are abnormally connected.
  • the module is configured to notify the abnormal network element in the two network elements of the two ends.
  • the peer NE in the end NE deletes the data channel with abnormal connection.
  • the detecting module specifically includes: a base station detecting module, configured to detect whether the base station side of the data channel is abnormally connected; and an access service network convergence gateway detecting module, configured to detect access of the data channel Whether the connection on the service network convergence gateway side is abnormal.
  • the abnormally connected data channel specifically includes: a failure channel existing in the process of the base station processing the exit IDLE channel setup response message; and a channel management function in the access service network aggregation gateway The failure channel that exists in the processing of the entity to exit the IDLE channel establishment confirmation message.
  • the above-mentioned embodiment detects the established data channel, finds the data channel with abnormal connection, and initiates a request by the network element with abnormal connection to notify the peer network element to delete the data channel with the abnormal connection.
  • an abnormal data channel is connected to the BS side or the AGW side, and the above embodiment can be used.
  • These data channels with abnormal connections are deleted and deleted, so the method for establishing an exit IDLE channel for accessing the service network in the related art is overcome.
  • multiple data channels are simultaneously required to be established, there are data channels on the BS and the AGW.
  • FIG. 1 shows a network architecture diagram of WiMAX
  • FIG. 2 shows an internal structure diagram of an ASN
  • FIG. 3 shows a flowchart of a method for establishing an IDLE channel exit in the related art
  • FIG. 4 shows A flowchart of a method for establishing an exit IDLE channel according to a first embodiment of the present invention
  • FIG. 5 is a flow chart showing a method for establishing an exit IDLE channel according to a second embodiment of the present invention
  • FIG. 7 is a block diagram showing the structure of an exit IDLE channel establishing apparatus according to a fourth embodiment of the present invention.
  • Step 402 When the user exits the IDLE, the network element between the ASNs is established.
  • the network elements at both ends of the data channel detect the data channel that is established, and find the data channel that is abnormally connected, and the abnormal network element sends a request to notify the peer network element to delete.
  • the data channel connected to the BS side or the AGW side must be connected with an abnormal data channel.
  • the data channel of these connection abnormalities can be found by using the above embodiment. And it is deleted, so the method for establishing the exit IDLE channel for accessing the service network in the related art is overcome.
  • the step 404 specifically includes: the BS of the data channel detects whether the data channel is abnormally connected; and the AGW of the data channel detects whether the data channel is abnormally connected.
  • the connection abnormalities are detected on the network elements at both ends of the data channel, and the network elements at both ends of the data channel are the BS and the AGW. If there is a data channel with abnormal connection, the abnormal data channel must have a connection abnormality at one end of the network element. Therefore, the detection method of this embodiment not only obtains the data channel of the connection abnormality, but also obtains the connection of the abnormal data channel. Abnormal network element side.
  • the BS detecting whether the data channel is abnormally connected by the data channel specifically includes: the BS detecting whether there is a failed channel in the process of processing the exit IDLE channel setup response message.
  • the connection of the data channel on the BS side is abnormal, that is, the number of data channels on the AGW is larger than the data channel on the BS. Number, and then some data channels exist only on the AGW None on the BS. In this way, all abnormal data channels that cause more data channels on the AGW than the number of data channels on the BS can be detected, which facilitates targeted processing.
  • whether the AGW of the data channel detects whether the AGW side of the data channel is abnormally connected includes: whether the DPF detection in the AGW fails in the process of processing the exit IDLE channel establishment confirmation message. aisle.
  • the following conditions exist it is considered that there is an abnormality on the AGW side:
  • the case B listed above corresponds to the second problem of the data channel establishment method in the related art.
  • the data channel is abnormally connected on the AGW side, which causes the number of data channels on the BS to be larger than the data channel on the AGW. The number, and then some data channels exist only on the BS and not on the AGW. In this way, all abnormal data channels that cause the number of data channels on the BS to be more than the number of data channels on the AGW can be detected, which facilitates targeted processing.
  • the step 406 specifically includes: if the abnormal end network element is a BS, the BS sends a channel deletion request message to the DPF in the AGW, and the channel deletion request message includes a data channel with an abnormal connection; The received channel deletion request message deletes the data channel with abnormal connection, and sends a channel deletion response message to the BS; the BS sends a channel deletion confirmation message to the DPF according to the received channel deletion response message.
  • the abnormal end network element is the BS
  • the reason is that the situation A is that the BS that is the abnormal end network element sends a channel deletion request message to the peer network element, that is, the AGW, specifically, the object of the channel deletion request message is sent.
  • the message includes a data channel with an abnormal connection to notify the peer AGW to delete the abnormal data channel.
  • the peer AGW After receiving the message, the peer AGW performs the abnormal data channel according to the abnormal data channel data. Delete, and send a channel deletion response message to the BS to inform the BS that the abnormal data channel has been deleted.
  • the BS sends a channel deletion confirmation message to the DPF according to the channel deletion response message to confirm that the channel deletion is completed.
  • FIG. 5 is a flowchart showing a method for establishing an exit IDLE channel according to a second embodiment of the present invention.
  • the method includes the following steps: Step 502: Exit message interaction before IDLE channel establishment, and obtain user information; Step 504 The BS sends an IDLE channel establishment request message to the DPF to request to establish a channel. Step 506: After processing the request message, the DPF processes the result to notify the BS by exiting the IDLE channel establishment response message. Step 508, the BS sends an IDID channel confirmation message to the DPF, and confirms After the channel is set up, the BS processes the received IDLE channel setup response message, and the partial channel processing fails. The channel that fails the processing fails to send the channel deletion request message to the DPF to notify the DPF to delete the channels.
  • Step 512 After receiving the channel deletion request, the DPF deletes the data channel information indicated in the channel deletion request message, and sends a channel deletion response message to the BS.
  • Step 514 After receiving the channel deletion response message, the BS sends a channel deletion confirmation message to the DPF. Confirm that the channel deletion is complete.
  • step 406 specifically includes: if the abnormal end network element is an AGW, the DPF in the AGW sends a channel deletion request message to the BS, and the channel deletion request message includes a data channel with an abnormal connection; The received channel deletion request message deletes the data channel with abnormal connection, and sends a channel deletion response message to the DPF; the DPF sends a channel deletion confirmation message to the BS according to the received channel deletion response message.
  • the abnormal end network element is an AGW. The reason is that in case B, the AGW that is the abnormal end network element sends a channel deletion request message to the peer network element, that is, the BS, specifically, the sender of the channel deletion request message.
  • the message includes a data channel with an abnormal connection to notify the peer network element BS to delete the abnormal data channel.
  • the peer network element BS After receiving the message, the peer network element BS performs the pair according to the abnormal data channel data.
  • the abnormal data channel is deleted, and a channel delete response message is sent to the DPF to inform the AGW that the abnormal data channel has been deleted, and finally the DPF is based on the channel.
  • the delete response message sends a channel delete confirmation message to the MS to confirm that the channel deletion is complete. Therefore, when the number of data channels on the BS is greater than the number of data channels on the AGW, the AGW that can be used by the number of channels actively initiates a delete request to notify the BS to delete those that are only available on the BS.
  • FIG. 6 is a flowchart showing a method for establishing an exit IDLE channel according to a third embodiment of the present invention. The method includes the following steps: Step 4: 602, exiting the message interaction before the IDLE channel is established, and acquiring user information; Step 604: The BS sends an IDLE channel establishment request message to the DPF to request to establish a channel.
  • Step 606 After processing the request message, the DPF processes the result to notify the BS by exiting the IDLE channel establishment response message.
  • Step 612 After receiving the channel deletion request message, the BS deletes the data channel information indicated in the channel deletion request message, and sends a channel deletion response message to the DPF. Step 614, the DPF receives the channel deletion response message.
  • a channel deletion confirmation message is sent to the BS to confirm that the channel deletion is completed.
  • the step 402 specifically includes: the BS and the PC/LR in the AGW perform message exchange before exiting the IDLE channel to obtain user information; and the BS sends an exit IDLE channel to the DPF in the AGW.
  • the request message is established; the DPF process exits the IDLE channel setup request message, and sends an exit IDLE channel setup response message to the BS; the BS sends an exit IDLE channel acknowledgement message to the DPF to confirm that the data channel setup is complete.
  • the technical solution for establishing a data channel when the user exits the IDLE is simple and easy. FIG.
  • the apparatus includes: an establishing module 702, configured to establish data between network elements of an ASN when a user exits IDLE.
  • the detecting module 704 is configured to detect whether the network elements at both ends of the data channel are abnormally connected.
  • the deleting module 706 is configured to notify the abnormal network element in the two network elements of the two ends of the network element of the two ends if the connection abnormality is detected.
  • the end network element deletes the data channel with abnormal connection.
  • the detection module 702 is used to detect the established data channel, and the data channel of the connection abnormality is found.
  • the deletion module 706 is used to initiate the request to notify the pair.
  • the end network element deletes the data channel whose connection is abnormal.
  • the abnormal data channel is deleted and deleted. Therefore, the method for establishing an exit IDLE channel for accessing the service network in the related art is overcome.
  • multiple data channels are required to be established at the same time, there are inconsistencies in the number of data channels on the BS and the AGW.
  • the detecting module 704 specifically includes: a BS detecting module, configured to detect whether the BS of the data channel is abnormally connected; and an AGW detecting module, configured to detect whether the AGW of the data channel is abnormally connected.
  • the BS detection module detects the connection abnormality of the BS side of the data channel, and uses the AGW detection module to detect the connection abnormality of the AGW side of the data channel. If there is a data channel with abnormal connection, the abnormal data channel must have a connection abnormality at one end of the network element. Therefore, the detection method of this embodiment not only obtains the data channel of the connection abnormality, but also obtains the connection of the abnormal data channel. Abnormal network element side.
  • the abnormally connected data channel specifically includes: a failure channel exists in the process of processing the BS to exit the IDLE channel setup response message; and the AGW processes the exit IDLE channel establishment confirmation message during processing There is a failure channel. In the present embodiment, when the following conditions exist, it is considered that there is an abnormality:
  • the case A listed above corresponds to the first problem of the data channel establishment method in the related art.
  • the connection of the data channel on the BS side is abnormal, that is, the number of data channels on the AGW is larger than the data channel on the BS.
  • the number, and then some data channels are only available on the AGW and not on the BS.
  • all abnormal data channels that cause the number of data channels on the AGW to be more than the number of data channels on the BS can be detected, which facilitates targeted processing.
  • the case B listed above corresponds to the second problem of the data channel establishment method in the related art.
  • the data channel is abnormally connected on the AGW side, which causes the number of data channels on the BS to be larger than the data channel on the AGW.
  • all abnormal data channels that cause more data channels on the BS than the number of data channels on the AGW can be detected, which facilitates targeted processing.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module.
  • the invention is not limited to any particular combination of hardware and software.
  • the above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the scope of the present invention are intended to be included within the scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et dispositif d’établissement de sortie de mode repos pour un réseau de service d’accès. Le procédé comprend les étapes suivantes : lors de la sortie de mode repos d’un utilisateur, un chemin de données est établi entre les éléments de réseau du réseau de service d’accès (402); les éléments de réseau aux deux extrémités du chemin de données détectent si la connexion du chemin de données est anormale (404); si une connexion anormale est détectée, l’extrémité d’élément de réseau anormale des éléments de réseau aux deux extrémités notifie l’élément de réseau d’extrémité opposée des éléments de réseau aux deux extrémités pour effacer le chemin de données dont la connexion est anormale (406). L’invention résout les problèmes de procédé d’établissement de chemin de sortie de mode repos pour le réseau de service d’accès dans la technologie associée, que sont le taux de succès relativement faible d’établissement de chemin de données lorsqu’une pluralité de chemins de données doivent être établis en même temps, avec un effet nuisible sur le service de données. Ainsi, la cohérence des chemins de données entre éléments du réseau de service d’accès (ASN) est assurée efficacement, le taux d’utilisation de ressources de la station de base et de la passerelle de réseau ASN, et le taux de succès d’établissement de chemins de données sont améliorés, et présente donc un effet favorable sur le service de données.
PCT/CN2010/071199 2009-08-20 2010-03-23 Procédé et dispositif d’établissement de sortie de mode repos pour un réseau de service d’accès WO2011020323A1 (fr)

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CN200910168439A CN101631342A (zh) 2009-08-20 2009-08-20 用于接入服务网络的退出idle通道建立方法和装置

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CN101631342A (zh) * 2009-08-20 2010-01-20 中兴通讯股份有限公司 用于接入服务网络的退出idle通道建立方法和装置
CN101800968B (zh) * 2010-02-08 2013-06-05 中兴通讯股份有限公司 一种由移动终端主动发起的数据通道建立方法及asn
CN101801108B (zh) * 2010-02-09 2015-06-03 中兴通讯股份有限公司 一种业务流建立方法和系统

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