WO2009146630A1 - Procédé, système et dispositif pour mettre en place une transmission locale - Google Patents

Procédé, système et dispositif pour mettre en place une transmission locale Download PDF

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Publication number
WO2009146630A1
WO2009146630A1 PCT/CN2009/071954 CN2009071954W WO2009146630A1 WO 2009146630 A1 WO2009146630 A1 WO 2009146630A1 CN 2009071954 W CN2009071954 W CN 2009071954W WO 2009146630 A1 WO2009146630 A1 WO 2009146630A1
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WIPO (PCT)
Prior art keywords
local transmission
access device
communication service
service data
local
Prior art date
Application number
PCT/CN2009/071954
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English (en)
Chinese (zh)
Inventor
蒋铭
张萍
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2009146630A1 publication Critical patent/WO2009146630A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, system and device for implementing local transmission. Background technique
  • the next generation evolution goal of the mobile communication network is a flat Layer 2 network.
  • the access network only includes a layer of access nodes.
  • the core network includes an access side gateway, a service side gateway, and a mobile control node.
  • the user's voice and data services are transmitted in packets over the mobile network.
  • the AP increases the session control capability to implement direct connection of the mobile terminal, and is limited to only one access point.
  • AP Access Point
  • AG Access Gateway
  • Embodiments of the present invention provide a method, system, and device for implementing local transmission, which implement local transmission of communication service data in a general communication network.
  • the embodiment of the invention discloses a method for local transmission, which includes:
  • Receiving communication service data Determining whether the access device corresponding to the communication service data satisfies the condition of the local transmission; when the access device corresponding to the communication service data satisfies the local transmission condition, triggering the access device to perform local transmission.
  • the embodiment of the invention further discloses a device for local transmission, comprising:
  • Receiving unit configured to receive communication service data
  • a determining unit configured to determine, according to the communication service data received by the receiving unit, whether the access device corresponding to the communication service data satisfies a condition of local transmission
  • the processing unit is configured to: according to the result of the determining by the determining unit, if the access device corresponding to the communication service data satisfies the condition of the local transmission, triggering the access device corresponding to the communication service data to perform local transmission.
  • the embodiment of the invention also discloses a system for local transmission, comprising:
  • the first access device is configured to send the communication service data to the local transmission device, where the access device corresponding to the communication service data receiver is the second access device;
  • a local transmission device configured to receive communication service data sent by the first access device, determine whether the first access device and the second access device meet a condition of local transmission, when the first access When the device and the second access device meet the condition of the local transmission, triggering the first access device to perform local transmission;
  • the second access device receives local transmission data sent by the first access device, establishes a local transmission channel with the first access device, and performs data transmission through the channel.
  • the local transmission method, system, and device provided by the embodiment of the present invention determine whether the access device corresponding to the communication service data satisfies the condition of the local transmission, and triggers the access device to perform local transmission when the local transmission condition is met. Therefore, in the general communication network, the communication data is transmitted locally, which saves the equipment resources and transmission resources of the communication network, enhances the quality and reliability of the communication service transmission, and further improves the user satisfaction.
  • DRAWINGS 1 is a schematic structural diagram of a system for displaying data transmission in the prior art
  • FIG. 2 is a schematic flowchart of a local transmission method according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a local transmission device according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of another local transmission device according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a local transmission system according to an embodiment of the present invention
  • FIG. 6 is another schematic structural diagram of a local transmission system according to an embodiment of the present invention. detailed description
  • FIG. 1 is a schematic diagram of a specific application scenario according to an embodiment of the present invention.
  • UE1 and UE2 are used as an example to establish a user plane connection through a normal call flow.
  • the data transmission path is:
  • Embodiments of the present invention disclose a method, device, and system for implementing local transmission of communication data in a general communication network.
  • the communication between UE1 and UE2 is taken as an example in the structure shown in FIG. 1.
  • the IP represents the IP address of the API
  • the IP (AP2) represents the IP address of the AP2
  • UE1 indicates the IP address of the current communication service allocated by the Packet Data Network Gateway (PDN-GW) for the UE1
  • the IP (UE2)-1 indicates the IP address of the current communication service allocated by the PDN-GW to the UE2
  • TEID (API) indicates the tunnel identifier of the corresponding UE1 allocated by the API for this communication.
  • the TEID (AG)-1 indicates the tunnel identifier of the corresponding UE1 allocated by the AG; and the TEID (AP2) indicates the corresponding assignment of the AP2 to the current communication.
  • the tunnel identifier of UE2, TEID (AG)-2 indicates the tunnel identifier corresponding to UE2 allocated by the AG.
  • the AP refers to an access node in a mobile communication network
  • the AG is an access gateway in the core network responsible for access-side aggregation
  • the PDN-GW refers to a data gateway in which a core network is deployed to a service network
  • the present invention is not limited to these networks or devices; other networks or system standards, such as UMTS, CDMA, LTE, Wimax, etc., may implement the present invention, and are not described herein.
  • FIG. 2 is a flowchart of a method for local transmission according to an embodiment of the present invention, which includes the following steps:
  • Step 102 Receive communication service data, and determine whether an access device corresponding to the communication service data satisfies a condition of local transmission;
  • the AG receives the data packet sent by the API, and the data packet is the communication service data that the UE1 sends to the UE2.
  • the communication service data may be in various forms of data for communication, such as communication related data such as voice and video.
  • the embodiment of the present invention does not limit the form of communication service data.
  • the AG searches for the IP according to the destination address IP (UE2) of the data packet.
  • UE2 destination address IP
  • UE2 Address matching corresponding UE2 packet data protocol (PDP, Packte Data
  • the Context determines whether the UE 2 subscribes to the local transmission according to the PDP context corresponding to the UE2.
  • the PDP context for each call is saved on the AG.
  • the PDP context corresponding to the UE1 and the PDP context corresponding to the UE2 are saved on the AG, and the PDP context corresponding to the UE1 may include IP (UE1), AP1 to which UE1 belongs, TEID (AG)_1, TEID (API), and local subscription to the UE1
  • the PDP context corresponding to the UE2 may include: an IP (UE2), an AP2 to which the UE2 belongs, a TEID (AG)-2, a TEID (AP2), and information about the UE2 signing a local transmission function.
  • the UE After the UE finds the PDP context corresponding to the UE2, it determines whether the information of the UE2 subscription local transmission function is included, and if the judgment result is that the UE2 has subscribed to the local transmission function, the UE1 is determined by the same method. Whether the local transmission function is subscribed, and after the UE1 and the UE2 have signed the local transmission function, the AP2 information is further extracted from the PDP context and compared with the API:
  • the API and the AP2 are the same, that is, the API and the AP2 are the same AP, the UE1 and the UE2 are under the same AP and have local transmission conditions.
  • the AG searches the local transmission relationship table to determine whether there is a local transmission condition between the API and the AP2; the local transmission relationship table is previously saved in the AG device. The content of the local transmission condition is recorded between different APs.
  • the present invention does not limit the local transmission relationship table to be saved in the AG device.
  • the local transmission relationship table may be obtained by other means.
  • the AG device may also obtain the other device (such as a network management device). Local transfer relationship table.
  • the above conditions for determining whether the corresponding access device meets the local transmission are two: one is to determine whether the user of the two communication parties subscribes to the local transmission function, and the other is to determine whether the access device can be locally transmitted, and the embodiment of the present invention does not limit the judgment.
  • the order of precedence is not limited to the two conditions that must be met.
  • the method may be implemented in other manners.
  • the user corresponding to the communication service may not be determined whether to subscribe to the local transmission function.
  • the AG determines that the access device to which the user belongs to has a local transmission condition, for example, When it is judged that the API and AP2 satisfy the local transmission condition, it is determined that the condition of the local transmission is available.
  • Step 104 If the result of the determining is that the local transmission condition is met, the access device that triggers the communication service data is locally transmitted.
  • the AG determines that the local transmission condition between the API and the AP2 is established, and the AG triggers the API to perform local transmission.
  • a local transmission request message may be sent to the API, where key information such as IP (AP2), TEID is carried.
  • the API After receiving the local transmission request message, the API changes the "peer tunnel identifier" in the PDP context corresponding to UE1 to TEID (AP2). After the modification is completed, the local transmission response success message is returned to the AG.
  • the communication service data sent from the UE1 can be locally transmitted to the UE2, that is, the data is transmitted through UE1_>AP1_>AP2->UE2.
  • the AG device determines whether the access device corresponding to the received communication service data satisfies the condition of the local transmission, and if the determination result is yes, triggers the sender access device corresponding to the communication service data.
  • Local transmission enables communication data to be transmitted locally in a general communication network, which saves equipment resources and transmission resources of the communication network, enhances the quality and reliability of communication service transmission, and further improves user satisfaction. .
  • the current charging mode may be identified as local transmission charging in the PDP context corresponding to the UE1.
  • the charging method is set by the user according to a specific situation in a specific application, for example, it can be charged in a monthly subscription manner, and is not charged by traffic or actual usage time.
  • the accuracy of the operator's charging for the user communication service can be improved, and the user's satisfaction with the reception of various communication services is enhanced, and the competitiveness of the operator is improved.
  • the foregoing method is only a process in which UE1 to UE2 implement local transmission, that is, a unidirectional data implementation process of UE1_>AP1_>AP2_>UE2; when UE2 needs to send data to UE1, reference may also be made to the above.
  • the process of implementing the local transmission of the UE1 to the UE2 is implemented in the same manner, and is only a corresponding adjustment of the related main body and parameters, and details are not described herein again.
  • the above embodiment can also support the diversity of terminal communication services. That can achieve AP
  • the non-local communication service is also allowed to perform normally, that is, the non-local service can still be forwarded through the AP, the AG, and the PDN-GW, and there is no interference with the local transmission communication service.
  • the terminal has two communication services simultaneously, for example, UE2 has one call or data communication service transmitted locally, and the other is third data transmitted to the external network through AP2, AG, and PDN-GW.
  • UE2 can ensure the normal operation of the third data service of another communication service while realizing the local transmission.
  • IP (UE2)_1 and IP (UE2)-2 which identify the IP address of the additional service allocated by the PDN-GW to the UE2; there are three PDPs on the AG.
  • IP UE2
  • AP2 to which UE2 belongs
  • tunnel identifier TEID AG
  • information of UE2 signing local transmission function and information of UE2 signing local transmission function is in the In the context, it is optional, that is, the information of the UE2 subscription local transmission function may not be included in the context.
  • the TEID (AG) indicates the local tunnel identifier allocated by the AG.
  • the TEID indicates that the AG allocates the tunnel identifier of the second service address IP (UE2)-2 of the UE2, although the PDP context records UE2 has signed the local transmission function, but because the peer communication service is not in the local network and does not meet the local transmission conditions, local transmission is not performed.
  • the local transmission is automatically removed as the PDP context is deleted.
  • the AG can also notify the API and AP2 to dismantle the local transmission at any time according to other needs, and redirect the tunnel end to the AG itself.
  • the message used is the same as the handover process, that is, the AG sends the local transmission termination to the AP and the AP responds to the AG with the local transmission termination acknowledgement, and details are not described herein again.
  • the manner of implementing the local transmission does not limit whether the user who performs communication has a location migration; whether the user who performs the communication satisfies the local transmission condition or is in the local transmission, as long as the user still meets the local migration after the migration Conditions can be implemented in the manner described in the above embodiments.
  • the AG when the UE1 moves across the AP and moves from the API to the AP3, the AG first notifies the AP2 to point the data tunnel corresponding to the UE2 to itself. The method is to send a local transmission termination message to the AP2, where the IP is carried. AG), TEID (AG) I. 1, local transmission Termination indication; AP2 resets the peer identifier of the PDP context to TEID (AG)-1, and then returns a local transmission termination acknowledgement message to the AG.
  • the AP device directly determines whether the switched access device satisfies the condition of the local transmission, and if the judgment result is satisfied, the local transmission is performed directly, and the embodiment of the present invention does not limit the specific implementation. the way.
  • the API sends the data packet previously received from the AP2 and forwarded to the user to the AP3 through the handover data forwarding message to ensure that the uplink and downlink communication service data is not lost; After that, the communication service between the UE1 and the UE2 can be forwarded in the normal forwarding mode.
  • the AG can trigger the AP3 again when receiving the uplink data packet of the UE1 or the UE2. Establish a one-way or two-way local transport connection with AP2.
  • the process is the same as the local transmission process between the API and the AP2 in the foregoing embodiment, and details are not described herein.
  • the AG can modify the charging mode in the PDP context to be normal charging, and the charging mode operator can perform different settings according to the situation.
  • the foregoing embodiment can ensure that the user can still implement local transmission after the migration meets the conditions of the local transmission, further saving the device resources and transmission resources of the communication network, and enhancing the quality and reliability of the communication service transmission, and In turn, the user's satisfaction is improved.
  • the foregoing method includes the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
  • FIG. 3 is a schematic structural diagram of a local transmission device 200 according to an embodiment of the present invention, including:
  • Receiving unit 202 configured to receive communication service data
  • the communication service data is in various forms of data for communication, such as data related to communication such as voice and video.
  • the embodiment of the present invention does not limit the form of service data.
  • the determining unit 204 is configured to determine, according to the communication service data received by the receiving unit 202, whether the access device corresponding to the communication service data satisfies a condition of local transmission;
  • the local transmission relationship table may be further determined according to the locally saved local transmission relationship table, and the local transmission relationship table records whether there is a local transmission condition between different access devices. Content.
  • the local transmission relationship table can also be obtained from other devices (such as network management, etc.), and the inventor embodiment does not limit its specific storage location.
  • the local transmission relationship table records that the access device satisfies the condition of local transmission, it may be determined that the access device corresponding to the communication service data satisfies the condition of local transmission, and the local transmission relationship table may be from a local or other device (such as network management)
  • the above judgment condition is one, and of course, other conditions may be added, and when these conditions are satisfied, it is judged that the condition of the local transmission is satisfied.
  • the purpose included in the communication service data is one, and of course, other conditions may be added, and when these conditions are satisfied, it is judged that the condition of the local transmission is satisfied.
  • An IP address searching for a destination PDP context corresponding to the destination IP address, and searching, from the PDP context, whether a user of the communication service subscribes to a local transmission function, and only if the user subscribes to a local transmission function, and the communication parties
  • the access device also satisfies the condition of the local transmission, it is determined that the access device corresponding to the communication service data satisfies the condition of the local transmission.
  • the processing unit 206 processing according to the result of the determining by the determining unit 204, if the access device corresponding to the communication service data satisfies the condition of local transmission, triggering the access device to perform local transmission.
  • the IP address, the tunnel identifier, and the local transmission enable indication of the access device to which the communication service destination party belongs are sent to the initiator of the communication service data.
  • the information is triggered to trigger the communication service data for local transmission; the information such as the tunnel identifier is used by the initiator to change the corresponding tunnel identifier to implement local transmission.
  • the local transmission device may also have the function of terminating the local transmission, and accordingly, the processing unit 206 may be further configured to send a local transmission termination message to the access device, where the local transmission termination message carries the tunnel identifier of the opposite end;
  • the receiving module 202 is further configured to receive a local transmission termination acknowledgement message sent by the access device.
  • the local transmission device triggers the access device corresponding to the initiator of the communication service to perform local transmission according to the result of determining whether the access device corresponding to the data of the received service meets the condition of the local transmission, and can be used in a universal manner.
  • the communication network that is, in the case of the access device, the communication data is transmitted locally, which saves the device resources and transmission resources of the communication network, enhances the quality and reliability of the service transmission, and further improves the user satisfaction. .
  • FIG. 4 is a schematic structural diagram of another implementation manner of implementing a local transmission device according to an embodiment of the present invention.
  • the embodiment further includes:
  • the first determining unit 2041 is configured to determine whether the access device corresponding to the sender and the receiver of the communication service is the same access device, or determine the access corresponding to the communication service data by searching a record of the local transmission relationship table. Whether the device meets the local transmission condition, the local transmission relationship table records whether the conditions of the local transmission are met between different access devices; the local transmission relationship table may be obtained from a local device or other device (such as a network management device);
  • the second determining unit 2042 is configured to determine whether the sender and the receiver corresponding to the communication service have subscribed to the local transmission function, and the local transmission function that is subscribed by the user may be obtained from the PDP context. description of.
  • the charging triggering unit 208 is configured to: after the processing unit 206 triggers the success, trigger the charging device in the network to perform charging according to the charging mode of the local transmission, where the charging mode is in a specific application, by the user. It can be set according to specific conditions, for example, it can be billed in a monthly manner, and not in terms of traffic or actual usage time.
  • the accuracy of the operator's charging for the user service can be improved, and the user's satisfaction with the receiving of various communication services is enhanced, and the competitiveness of the operator is improved.
  • FIG. 5 is a schematic structural diagram of a local transmission system according to an embodiment of the present invention, including:
  • the first access device 302 is configured to send the communication service data to the local transmission device 304.
  • the local transmission device 304 is configured to receive the communication service data sent by the first access device 302, and determine the corresponding to the communication service data. Whether the access device 302 and the second access device 306 satisfy the condition of the local transmission, and when the first access device 302 and the second access device 306 corresponding to the communication service data satisfy the condition of the local transmission, trigger the The first access device 302 performs local transmission;
  • the second access device 306 receives local transmission data sent by the first access device, establishes a local transmission channel with the first access device, and performs data transmission through the channel.
  • the local transmission device 304 may also be configured to send a local transmission termination message to the first access device 302 or the second access device 306.
  • the local transmission termination message carries the tunnel identifier of the peer end, and receives the local transmission termination acknowledgement message sent by the first access device 302 or the second access device 306;
  • the first access device 302 or the second access device 306 may be further configured to receive a local transmission termination message, and update the locally saved packet data protocol context according to the tunnel identifier of the peer end carried by the local transmission termination message, to the local transmission device 304.
  • the local transmission termination confirmation message is sent.
  • FIG. 6 is a schematic structural diagram of another embodiment of a local transmission system according to an embodiment of the present invention.
  • the local transmission device 304 specifically includes:
  • the receiving unit 3041 is configured to receive the communication service data of the first access device 302.
  • the determining unit 3042 is configured to determine, according to the communication service data received by the receiving unit 3041, the first corresponding to the communication service data. Whether an access device 302 and the second access device 306 satisfy a condition of local transmission;
  • the processing unit 3043 processing according to the result of the determining by the determining unit 3042, if the first access device 302 and the second access device 306 satisfy the condition of local transmission, triggering the first An access device 302 performs local transmission.
  • the processing unit 3043 sends, to the first access, the tunnel identifier that is allocated by the second access device 306 for the current communication, the IP address of the second access device 306, and the local transmission enable indication.
  • the device 302 is configured to establish, by the first party access device 302, a local transmission.
  • the determining unit 3042 may further include:
  • the first determining unit 30421 is configured to determine whether the first access device 302 and the second access device 306 are the same access device, or determine the first access device 302 by searching a record of the local transmission relationship table. Whether the second access device 306 satisfies the local transmission condition, and the local transmission relationship table records whether the conditions of the local transmission are met between different access devices; the local transmission relationship table may be obtained from a local or other device (such as a network management system). ;
  • the second determining unit 30422 is configured to determine whether the sender and the receiver of the communication service data have subscribed to the local transmission function.
  • the local transmission function of the user subscription may be obtained from the PDP context. description of.
  • the local transmission device 304 determines whether the condition of the local transmission is satisfied between the first access device 302 and the second access device 306, and when the determination result is satisfied, the first is triggered.
  • the access device 302 performs local transmission, so that the communication data can be directly transmitted to the second access device 306 through the local communication in the general communication network, that is, without changing the access device, thereby saving the device resources of the communication network and Transmission resources enhance the quality and reliability of service transmission and, in turn, increase user satisfaction.
  • the local transmission device 304 may further include a charging triggering unit 3044, configured to trigger the charging device in the network to perform charging according to a locally transmitted charging mode after the processing unit successfully triggers, where the charging mode is
  • the user sets the content according to a specific situation, for example, it can be charged in a monthly subscription manner, and is not charged by traffic or actual usage time.

Abstract

L'invention concerne un procédé, un dispositif et un système pour une transmission locale. Le procédé comprend les étapes suivantes : évaluer si le dispositif d'accès correspondant aux données de service de communication satisfait à la condition de la transmission locale, lorsque la condition de la transmission locale est satisfaite, déclencher le dispositif d'accès pour réaliser la transmission locale.
PCT/CN2009/071954 2008-06-04 2009-05-25 Procédé, système et dispositif pour mettre en place une transmission locale WO2009146630A1 (fr)

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CN200810067680.3 2008-06-04
CN2008100676803A CN101600160B (zh) 2008-06-04 2008-06-04 实现本地传输的方法、系统和设备

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US9398517B2 (en) * 2010-01-11 2016-07-19 Blackberry Limited System and method for enabling discovery of local service availability in local cellular coverage
CN102281600B (zh) * 2010-06-10 2015-09-16 中兴通讯股份有限公司 一种实现本地切换的方法和装置

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CN1801751A (zh) * 2004-11-11 2006-07-12 M/A-Com公司 无线通信网络
CN101080098A (zh) * 2007-06-01 2007-11-28 中国移动通信集团公司 一种通信方法和系统

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