WO2004023735A1 - Procede associe a un service intelligent de soutien de gprs - Google Patents
Procede associe a un service intelligent de soutien de gprs Download PDFInfo
- Publication number
- WO2004023735A1 WO2004023735A1 PCT/CN2003/000618 CN0300618W WO2004023735A1 WO 2004023735 A1 WO2004023735 A1 WO 2004023735A1 CN 0300618 W CN0300618 W CN 0300618W WO 2004023735 A1 WO2004023735 A1 WO 2004023735A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ggsn
- intelligent
- gprs
- service
- smart
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/02—Inter-networking arrangements
Definitions
- the present invention relates to the field of mobile communications, and in particular, to a method for supporting both intelligent services and ordinary services during the process of upgrading GPRS to an intelligent service network.
- SGSN / SSF Service Switch Function, Service Switch Function
- SCP Service Control Point, Service Control Point
- SMS SMS
- SGSN Service Management System, service management system
- HLR Home Location Register, home location register
- management function of GPRS smart contract information etc., in order to establish a GPRS network and intelligent services Control relationship.
- Figure 1 is a schematic diagram of the networking of the SGSN / SSF solution.
- the HLR inserts the user's CSI (smart subscription information) into the SGSN where the user roams.
- CSI smart subscription information
- GGSN / SSF solution As can be seen from the above, the SGSN / SSF solution requires the SGSN to support the GPRS SSF function, and the HLR to support the management function of the intelligent contract information, etc., that is to say: all the SGSN and HLR of the entire network Upgrade, because the number of SGSN and HLR is large, so the amount of engineering is large, And it also needs to perform the docking test of multiple manufacturers, which is not suitable for quickly and low-cost opening of GPRS intelligent services. Therefore, another GGSN-based GPRS intelligent network solution is introduced, that is, the GPRS SSF function is implemented by the GGSN.
- the advantage of this solution is that no complicated upgrade of the HLR and SGSN is required, and only the simple data configuration on the GGSN is required. Can achieve the purpose of quickly providing GPRS intelligent services.
- the GGSN when a GPRS user initiates a packet service access request, the GGSN establishes an intelligent relationship between the GPRS SSF and the SCP according to the configured intelligent user information, and the SCP implements user authentication and charging (according to Duration, traffic, location, etc.) to implement control functions for packet switching.
- GGSN / SSF solutions have the advantages of flexible upgrades and low investment, and are a solution approved by many operators.
- the GPRS network introduces the concepts of packet switching and packet transmission, so that the GSM (Globe Telecommunication Service of Mobile, Global Mobile Communication Service) network's support for data services is strengthened from the network system.
- GSM Global Mobile Communication Service
- GPRS is actually another network that is superimposed on the existing GSM network.
- the GPRS network adds functional entities such as SGSN (Serving GPRS Support Node), GGSN (Gateway GPRS Support Node) on the basis of the original GSM network.
- GPRS shares the existing BSS system of the GSM network, but the software and hardware must be updated accordingly.
- a mobile station MS, Mobile Station
- SGSN Serving GPRS support node.
- SGSN provides services for MS, and cooperates with MSC / VLR / EIR (Mobile Switch Center / Visiting Location Register / Equipment Identity Register) to complete mobility management functions, including roaming, registration, Handover, authentication, etc., manage logical links, including the establishment, maintenance, and release of logical links, and manage wireless resources.
- the SGSN provides management functions for the MS calling or called party, and completes packet data forwarding, address translation, encryption, and compression functions.
- SGSN can complete the aggregation and transmission of Gb interface data and the conversion between Gn interface IP (Internet Protocol, Internet Protocol) protocols.
- Gn interface IP Internet Protocol, Internet Protocol
- GGSN Gateway GPRS support node.
- the gateway GPRS support node is actually a gateway or router. It provides GPRS and public packet data network interconnected by X.25 or X.75 protocol (X.25 and X.75 are both data network protocols). It also supports GPRS and Interconnection of other GPRS. GGSN and SGSN both have IP addresses, and GGSN and SGSN together complete the GPRS routing function.
- GSN GPRS Service Node, GPRS service node, including SGSN and GGSN
- PLMN Public Land Mobile Network
- Gn interface The interface between GSN (GPRS Service Node, GPRS service node, including SGSN and GGSN) nodes in the same PLMN (Public Land Mobile Network) is called the Gn interface.
- the interface is called a G interface, and its signaling platform is shown in Figure 3, where:
- UDP User Datagram Protocol
- User Datagram Protocol A transport-oriented, non-connection-oriented protocol.
- IP Internet Protocol
- Ten measures for the network management layer Ten measures for the network management layer.
- GTP On the GPRS backbone network, a tunnel encapsulation protocol for transmitting signaling and user data between SGSN and GGSN, and between SGSN and SGSN. All data packets transmitted between GSNs should be repackaged by GTP.
- GTP protocol is defined in detail in the "GSM 09.60 Digital Cellular Communication System (Phase 2+); (GPRS) Tunneling Protocol Technical Specifications".
- FIG. 4 it is a schematic diagram of the PDP context activation process. It can be seen from the figure that when a GPRS user initiates the activation process, the SGSN uses the APN (Access Point Name) information element carried in the activation request message. Go to a DNS (Domain Name Server, domain name server) to resolve the GGSN address, and then notify the GGSN to create a PDP context activation.
- APN Access Point Name
- DNS Domain Name Server, domain name server
- BSS Base Station Subsystem
- BSC Base Station Controller
- BTS Base Transceive Station
- Figure 5 is the PDP context activation process. As can be seen from the figure, the MS has performed several information interactions with the SGSN and GGSN.
- the SGSN resolves the GGSN address by using the APN in the activation request message to the DNS server.
- APN is a very important parameter in the GPRS network. Operators do not want to increase or decrease casually because This means modifying the network plan. At the same time, GPRS networks in many countries have already been put into commercial use. Modifying the APN will cause inconvenience to all mobile phone users, which is the last thing operators want to see.
- the newly added GGSN (supporting intelligent functions, referred to as intelligent GGSN) to upgrade the GPRS intelligent network has the same APN as the original GGSN (not supporting intelligent functions, referred to as ordinary GGSN).
- the address of one GGSN can be resolved through DNS using the same APN: either the address of the smart GGSN or the address of the ordinary GGSN.
- the smart GGSN can support packet service access requests from smart users and non-smart users, while the original GGSN It does not have the GGSN / SSF function, and can only support packet service access requests from non-smart users.
- the external network environment includes a GGSN, an intelligent GGSN, and an SGSN.
- a user activation request message is first sent to the intelligent GGSN, and it is determined whether the activation request is an intelligent user activation according to an intelligent trigger rule. If yes, It is processed by the intelligent GGSN, otherwise, the activation request is forwarded to the ordinary GGSN for processing.
- the smart judgment triggering rule is a rule for judging whether the user who sends the activation request information is a smart user.
- the step of first sending the user activation request message to the smart GGSN is completed by modifying service data in the DNS so that the GGSN address resolved by the same APN is the smart GGSN address.
- the activation request message forwarded by the intelligent GGSN to the ordinary GGSN is an activation request message that complies with the GTP protocol standard.
- the activation response returned after the normal GGSN activation is successful
- the response message can be accepted by the SGSN.
- the intelligent GGSN forwards only activation signaling messages for ordinary users.
- Figure 1 is a schematic diagram of the SGSN / SSF solution
- Figure 2 is the GGSN / SSF solution
- FIG. 3 is a schematic diagram of signaling platforms of different PLMNs
- FIG. 4 is a schematic diagram of the PDP context activation process
- FIG. 5 is a PDP context activation flowchart
- Figure 6 is a schematic diagram of the topology of a GPRS backbone network
- Figure 7 is a flow chart of proxy GGSN activation
- Figure 8 is an activation flow diagram forwarded by the intelligent GGSN. detailed description
- FIG. 7 it is a schematic diagram of the network connection of the external environment of the present invention.
- the network environment includes SGSN, ordinary GGSN, and smart GGSN, and the connections are shown in the solid line in FIG. '
- the process when processing a user activation request message, the process is different from that in the prior art.
- the user activation request message is first sent to the smart GGSN, and whether the activation request is a smart user activation is determined according to the smart trigger rule. If yes, it is processed by the intelligent GGSN, otherwise, the activation request is forwarded to the ordinary GGSN for processing.
- the smart trigger rule it is a rule for judging whether the user who sent the activation request information is a smart user. It is a judgment rule for the smart service triggered by the smart GGSN, which is determined by the operator. For example, China Mobile can use a mobile phone number as a smart trigger As a rule, a mobile phone number that starts with 136 belongs to a smart user.
- the smart GGSN configures the 136 number segment as a smart user.
- the mobile phone number starts with 136, it is considered a smart user, otherwise it is not.
- other operators may not use mobile phone number segments as intelligent triggering rules but use other information, such as IMSI (Identification of mobile subscribers) number segments, and MSISDN (mobile subscription user number MS international PSTN). / ISDN number), that is, a mobile phone number, etc.
- IMSI Identity of mobile subscribers
- MSISDN mobile subscription user number MS international PSTN
- the step that the user activation request message is first sent to the smart GGSN is completed by modifying the service data in the DNS so that the GGSN address resolved by the same APN is the smart GGSN address. The difference.
- the correspondence between the APN and the GGSN address is stored in the DNS, which is actually a database.
- the SGSN uses the APN as a key to find out the address of the GGSN. Therefore, the modification of the DNS involved in the present invention involves The data is actually to modify the configuration relationship of this database. For example, the original configuration relationship may be apnl ⁇ -> address 1, then our solution will modify it to apnl ⁇ -> address 2 by modifying the APN configuration in DNS. Data, that is, address analysis required by the present invention can be implemented.
- the activation request message forwarded by the intelligent GGSN to the ordinary GGSN is an activation request message that complies with the GTP protocol standard.
- the activation response message returned after the ordinary GGSN is successfully activated can be accepted by the SGSN.
- the intelligent GGSN should only try to meet the requirements of forwarding ordinary users' activation signaling messages without forwarding user data streams.
- the intelligent GGSN provides both the GPRS intelligent function and the proxy forwarding function of the activation request / response message, which we refer to as PPS & PROXY GGSN.
- the MS sends a PDP context activation request message to the SGSN;
- the SGSN sends the activation request message to PPS & PROXY GGSN through DNS resolution:
- the source address in the IP header is SGSN Gn port address A, and the destination address is PPS & PROXY GGSN Gn port address B.
- the activation request message contains two cells: "SGSN Address for signalling" and "SGSN Address for user traffic", respectively Represents the SGSN signaling address and data address used by the PDP context. Its value is the SGSN Gn port address A.
- the key information of this message is as follows:
- PPS & PROXY GGSN receives the activation request message:
- the smart user determines whether the smart user is activated. If the smart user is activated, it will be handled by the GGSN itself; if it is a non-smart user, it will be forwarded to the ordinary GGSN, where the source address in the IP header is the Gn port address B of PPS & PROXY GGSN, and the destination address is ordinary GGSN
- the Gn port address C the content of the GTP packet is not changed.
- the two information elements contained in the activation request message "SGSN Address for signalling" and "SGSN Address for user traffic" respectively represent the SGSN signaling address and data address used by the PDP context, and their values are still the SGSN Gn port address A
- the key information of the message is as follows:
- IP header B-> C SGSN Address for signalling: A
- the ordinary GGSN receives the activation request message:
- the ordinary GGSN will establish a PDP context after receiving the activation request message.
- the SGSN signaling address should be the cell carried in the activation request message.
- SGSN Address for signalling A
- the SGSN data address is the information carried in the message.
- Element SGSN Address for user traffic A, and specify the GGSN signaling and data address as its own Gn port address C, and then return an activation response message.
- the source address in the IP header of this message should be the ordinary GGSN Gn port address C
- the destination address should be PPS & PROXY GGSN Gn port address B
- the activation response message contains two cells: "GGSN Address for signalling” and "GGSN Address for user traffic", which respectively represent the GGSN signaling address used by the PDP context and Data address, whose value is the ordinary GGSN Gn port address C.
- the key information of this message is as follows:
- PPS & PROXY GGSN receives the activation response message:
- PPS & PROXY GGSN After receiving the activation response message, PPS & PROXY GGSN forwards it to SGSN.
- the source address in the message IP header is PPS & PROXY GGSN Gn port address B, and the destination address is SGSN Gn port address A.
- PPS & PROXY GGSN does not care about the content of the activation response message and does nothing. modify. If the activation is successful, two cells will be included in the activation response message: "GGSN Address for signalling" and "GGSN Address for user traffic", which respectively represent the GGSN signaling address and data address used by the PDP context, and their values are still It is the Gn port address C of the ordinary GGSN.
- the key information of this message is as follows:
- GGSN Address for signalling C -GGSN Address for user traffic: C
- the SGSN address in the PDP context should be the address A specified by itself, and the GGSN signaling address should be the cell carried in the activation response message.
- GGSN Address for signalling C
- GGSN data address is the message.
- GGSN Address for user traffic C;
- the SGSN returns an activation PDP context acceptance message to the MS. After receiving the message, the mobile phone user can start the GPRS service.
- the present invention can well solve the problem that the operator quickly upgrades the GPRS intelligent network, and completely protects the existing investment of the operator, and improves the utilization rate of the network.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Description
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003248231A AU2003248231A1 (en) | 2002-09-06 | 2003-08-01 | A method about gprs support intelligent service |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN02129375.9 | 2002-09-06 | ||
CNB021293759A CN1213626C (zh) | 2002-09-06 | 2002-09-06 | 一种gprs支持智能业务的方法 |
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WO2004023735A1 true WO2004023735A1 (fr) | 2004-03-18 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/CN2003/000618 WO2004023735A1 (fr) | 2002-09-06 | 2003-08-01 | Procede associe a un service intelligent de soutien de gprs |
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CN (1) | CN1213626C (zh) |
AU (1) | AU2003248231A1 (zh) |
WO (1) | WO2004023735A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100387072C (zh) * | 2004-07-13 | 2008-05-07 | 华为技术有限公司 | 通用分组无线业务网关支持节点业务的锁定方法 |
CN1780281B (zh) * | 2004-11-24 | 2010-06-23 | 华为技术有限公司 | 一种实现新业务的方法 |
WO2007028329A1 (fr) * | 2005-09-05 | 2007-03-15 | Huawei Technologies Co., Ltd. | Procede de realisation d'operation d'activation de service et terminal utilisateur realisant ledit procede |
US8666085B2 (en) | 2007-10-02 | 2014-03-04 | Phitek Systems Limited | Component for noise reducing earphone |
CN102149213B (zh) * | 2010-02-10 | 2014-02-12 | 邬学农 | 一种基于gtp协议的中继传输方法及其系统 |
US9487295B2 (en) | 2010-11-15 | 2016-11-08 | William James Sim | Vehicle media distribution system using optical transmitters |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1331532A (zh) * | 2000-06-30 | 2002-01-16 | 华为技术有限公司 | 具有智能业务交换功能的通用分组无线业务网络系统 |
CN1362819A (zh) * | 2000-12-26 | 2002-08-07 | Lg电子株式会社 | 移动网际协议业务系统及其方法 |
-
2002
- 2002-09-06 CN CNB021293759A patent/CN1213626C/zh not_active Expired - Lifetime
-
2003
- 2003-08-01 WO PCT/CN2003/000618 patent/WO2004023735A1/zh not_active Application Discontinuation
- 2003-08-01 AU AU2003248231A patent/AU2003248231A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1331532A (zh) * | 2000-06-30 | 2002-01-16 | 华为技术有限公司 | 具有智能业务交换功能的通用分组无线业务网络系统 |
CN1362819A (zh) * | 2000-12-26 | 2002-08-07 | Lg电子株式会社 | 移动网际协议业务系统及其方法 |
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AU2003248231A1 (en) | 2004-03-29 |
CN1213626C (zh) | 2005-08-03 |
CN1481172A (zh) | 2004-03-10 |
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