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WO2010127580A1 - Procédé de recherche pour un accès à l'ip local et appareil associé correspondant - Google Patents

Procédé de recherche pour un accès à l'ip local et appareil associé correspondant Download PDF

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Publication number
WO2010127580A1
WO2010127580A1 PCT/CN2010/071557 CN2010071557W WO2010127580A1 WO 2010127580 A1 WO2010127580 A1 WO 2010127580A1 CN 2010071557 W CN2010071557 W CN 2010071557W WO 2010127580 A1 WO2010127580 A1 WO 2010127580A1
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WO
WIPO (PCT)
Prior art keywords
local
access
base station
triggered
downlink data
Prior art date
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Ceased
Application number
PCT/CN2010/071557
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English (en)
Chinese (zh)
Inventor
周娜
宗在峰
奚进
刘霖
王志海
王静
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ZTE Corp
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ZTE Corp
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Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Publication of WO2010127580A1 publication Critical patent/WO2010127580A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a paging method and apparatus for local IP access.
  • a home base station is a small, low-power base station deployed in indoor places such as homes and offices.
  • the main function is to provide users with higher service rates and lower the cost of using high-speed services. Insufficient coverage of distributed cellular wireless communication systems.
  • the advantages of home base stations are affordable, convenient, low power output, plug and play, and more.
  • the home base station can be directly connected to the core network.
  • the home network base station gateway can also access the core network, as shown in FIG. 2a and FIG. 2b.
  • the main functions of the home base station gateway are: verifying the security of the home base station, processing the registration of the home base station, performing operation and maintenance management on the home base station, configuring and controlling the home base station according to the operator's requirements, and exchanging data of the core network and the home base station.
  • the access gateway may be an S-GW (Serving Gateway), a P-GW (Packet Data Network Gateway), a SGSN (Serving GPRS Support Node), a GGSN (Gateway GPRS Support Node) , Gateway GPRS Support Node ).
  • the home base station can also support local IP access functions, enabling local access to other IP devices or the Internet of the home network.
  • the addition of the local gateway can provide strong support for the local IP access technology.
  • the implementation of the local IP access can use the multi-PDN (Packet Data Network) connection method. That is, the local IP access connection and the non-local IP access connection can be implemented by using different PDN connections), and the core network access and the local IP access function can be simultaneously implemented by establishing a connection, and the local gateway can be combined with the wireless side network element. It can also be separated from the wireless side network element.
  • PDN Packet Data Network
  • the local gateway acts as a gateway for external access to an external network (such as the Internet), providing address allocation, accounting, packet filtering, policy control, data offloading, NAS (Non-Access-Stratum, Non-Access Layer) /S 1 -AP/RANAP (Radios Access Network Application Part, Radio Access Network should Partial)/GTP (General Tunneling Protocol)/PMIP (Proxy Mobile IP)/MIP (Mobile IP, Mobile IP) message parsing, NAT (Network Address Translation), Local IP access policy routing and execution functions.
  • the gateway can be combined with a home base station. Taking the LTE (Long Term Evolution) mobile communication network architecture as an example, FIG. 3a and FIG. 3b show schematic data flows of local IP access of the home base station system. Based on the home base station system architecture of FIG. 1, FIG. 4 shows a flow chart of a home base station system initiating a paging procedure for an idle user when data is accessed from a local IP in the prior art. The specific steps are described as follows:
  • Step 401 After receiving the data sent to the terminal, the local gateway will cache the data.
  • Step 402 The local gateway sends a downlink data notification message to the mobility management entity.
  • Step 403 The mobility management entity replies with the downlink data notification response.
  • 404. The mobility management entity sends a paging message to all base stations in the tracking area, and carries the terminal identifier. If the home base station accessed by the local IP still belongs to the tracking area of the terminal, the paging message here needs to be sent to the local IP access. Home base station.
  • Step 405 After receiving the paging message, the home base station will page the terminal.
  • Step 406 as described in step 404, the mobility management entity sends a paging message to the base station in the tracking area; the step is parallel to step 404; Step 407: After receiving the paging message, the base station will page the terminal. Step 408: After obtaining the paging information, the terminal performs a service request process. Since the local IP access does not have mobility, when the terminal moves to other base stations, the other base stations do not need to provide service continuity guarantee for the locally accessed data, so the existing paging mode is used (the base station of the entire tracking area is paged as shown in the above process).
  • the non-mobility characteristic determines that the downlink data buffered by the source home base station cannot be acquired by the terminal, only when the terminal The terminal is located under the source home base station to correctly receive and process the downlink buffer data.
  • the party that pages the entire tracking area base station To a large extent, the redundancy of paging messages and the waste of air interface resources are caused, and the processing load of the mobile communication system is increased.
  • the technical problem to be solved by the present invention is to provide a paging method and related device for local IP access, which effectively avoids redundancy of paging messages and waste of air interface resources.
  • the present invention provides a paging method for local IP access, including: a radio side network that the mobility management entity accesses only to the local IP after receiving the downlink data notification triggered by the local IP access The element initiates the operation of the paging terminal.
  • the above method may also have the following features:
  • the mobility management entity is one of the following network elements: a mobility management unit MME, a mobile switching center MSC, and a serving GPRS support node SGSN;
  • the local IP access and local IP access are one or more of the following operations: local IP Access to the user's local network, local IP access to the company's local network, local IP access to the Internet, offloading of Internet services, and specific IP data offloading.
  • the mobility management entity determines whether the received downlink data notification is triggered by the local IP access by using one of the following methods: Whether the network element that initiates the downlink data notification is the local gateway or the wireless side network element, and if yes, the received downlink data notification is triggered by the local IP access; determining whether there is a local IP indication in the downlink data notification, if the downlink data notification If there is a local IP indication, the received downlink data notification is considered to be triggered by the local IP access.
  • the above method may also have the following features: when the wireless side network element includes a home base station gateway, the mobility management entity determines the downlink After the data is the data triggered by the local IP access, in the step of initiating the operation of the paging terminal to the radio side network element of the local IP access, the paging message is sent to the home base station gateway in the pre-agreed transmission channel;
  • the home base station gateway receives the paging message, and if it is determined that the transmission channel of the paging message is a pre-agreed transmission channel, the paging message is considered to be a paging message triggered by the local IP access, and the local IP address is sent to the terminal.
  • the paging message is sent by the corresponding base station or home base station or data offload function entity.
  • the above method may also have the following features: when the wireless side network element includes the home base station gateway, the mobility management entity determines the downlink data to be the data triggered by the local IP access, and then accesses the wireless side network element to the local IP address.
  • the home base station gateway receives the paging message, according to the The local IP access identifier determines that the paging message is triggered by the local IP access, and sends the paging message to the base station or the home base station or the data offload function entity corresponding to the terminal local IP access.
  • the present invention provides a mobility management entity that implements paging optimization for local IP access, where the mobility management entity is connected to a radio side network element, and the radio side network element is connected to the terminal,
  • the mobility management entity includes a receiving unit, a determining unit, and a paging unit; wherein:
  • the receiving unit is configured to: receive a downlink data notification; the determining unit is configured to: determine whether the received downlink data notification is triggered by local IP access, and if yes, invoke a paging unit; : accessing the local IP according to the call of the determining unit
  • the radio side network element initiates the operation of the paging terminal.
  • the foregoing mobility management entity may also have the following features:
  • the determining unit is further configured to: determine, by one of the following methods, whether the received downlink data notification is triggered by a local IP access: determining whether the network element that initiates the downlink data notification is local The gateway or the wireless side network element, if yes, considers that the received downlink data notification is triggered by the local IP access; determines whether there is a local IP indication in the downlink data notification, and if there is a local IP indication in the downlink data notification, it is considered to be received The downstream data notification is triggered for local IP access.
  • the mobility management entity may further have the following features: the paging unit is further configured to: when the operation of the paging terminal is initiated to the radio side network element of the local IP access, the paging message is pre-agreed A local IP access identifier is transmitted on the transport channel or added to the paging message to identify that the paging message is triggered by local IP access.
  • the mobility management entity may also have the following features: The mobility management entity is one of the following network elements: a mobility management unit MME, a mobile switching center MSC, and a serving GPRS support node SGSN.
  • the present invention provides a radio side network element that implements paging optimization for local IP access, where the radio side network element is respectively connected to a mobility management entity and a terminal, and the radio side network element includes a receiving unit. a determining unit, an indicating unit, and a sending unit, wherein: the receiving unit is configured to: receive data sent to the terminal; the determining unit is configured to: determine whether the received data sent to the terminal is a local IP access trigger The data is, if yes, the instruction unit is invoked; the indication unit is configured to: add a local IP indication when constructing the downlink data notification according to the invoking of the determining unit; the sending unit is configured to: The downlink data indicated by the local IP is notified to the mobility management entity.
  • the above wireless side network element may also have the following features:
  • the wireless side network element is one or a combination of the following network elements: a base station, a home base station, a radio network controller RNC, a home base station gateway, and a data offload function entity.
  • the present invention provides a home base station gateway that implements paging optimization for local IP access, the home base station gateway, the wireless side network element, and the terminal are sequentially connected, and the home base station gateway and mobility management
  • the home base station gateway includes a receiving unit, a determining unit, an indicating unit, and a sending unit, where: the receiving unit is configured to: receive data sent by the wireless side network element; the determining unit is configured to: determine the receiving Whether the data obtained is the data triggered by the local IP access, if yes, the instruction unit is invoked; the indication unit is configured to: add a local IP indication when constructing the downlink data notification according to the call of the determining unit; The sending unit is configured to: send a downlink data notification carrying a local IP indication to the mobility management entity.
  • the home base station gateway may further have the following features: the receiving unit is further configured to: receive a paging message sent by the mobility management entity; the determining unit is further configured to: determine that the received paging message is actively triggered by the mobility management entity The local IP access is triggered. If the local IP access is triggered, the sending unit is invoked. The sending unit is further configured to: send the paging message to the wireless side network corresponding to the local IP access. yuan.
  • the above-mentioned home base station gateway may also have the following features:
  • the determining unit is further configured to: determine, according to one of the following manners, whether the received paging message is triggered by the mobility management entity or triggered by the local IP access: according to the received homing Whether the call message is on the pre-agreed transmission channel, if yes, determining that the received paging message is triggered by the local IP access; determining whether there is a local IP access identifier in the received paging message, and if so, determining received The paging message is triggered by a local IP access.
  • the mobility management entity After the method of the present invention is received, after receiving the downlink data notification of the local IP, the mobility management entity initiates the operation of the paging terminal only to the home base station accessed by the local IP, and does not track all the base stations in the area to the terminal. Sending a paging message can effectively optimize the paging mechanism, avoiding waste of paging messages and air interface resources, and improving the processing efficiency of the mobile communication system.
  • FIG. 1 is a schematic diagram of a network connection of a home base station in the prior art
  • FIG. 2a is a schematic diagram 2 of a network connection of a home base station in the prior art
  • FIG. 2b is a schematic diagram 3 of a network connection of a home base station in the prior art
  • FIG. 3b is a schematic diagram of a local IP access data flow of a home base station system based on FIG. 2b in the prior art
  • FIG. 3b is a schematic diagram of a local IP access data flow of a home base station system based on FIG. 2b in the prior art
  • FIG. 4 is a flow chart of a paging process initiated by a home base station system in the prior art
  • FIG. 5 is a flowchart 1 of a method for initiating a paging of a home base station system according to an embodiment of the present invention
  • FIG. 6 is a paging diagram of a home base station system according to an embodiment of the present invention
  • Process flow chart two is a flow chart of a paging process initiated by a home base station system in the prior art.
  • the preferred embodiment of the present invention is that the mobility management entity initiates the operation of the paging terminal only to the radio side network element of the local IP access after receiving the downlink data notification triggered by the local IP access.
  • the mobility management entity can be MME (Mobility Management Entity, Mobile Management Unit), MSC (Mobile Switching Centre) or SGSN (Serving GPRS) Support Node, service GPRS support node).
  • the wireless side network element may be a base station, a home base station, an RNC (Radio Network Controller), a home base station gateway, and a data offload function entity. The wireless side network element can be combined with the local gateway.
  • the mobility management entity determines whether the received downlink data notification is triggered by the local IP access by using one of the following methods: determining whether the network element that initiates the downlink data notification is a wireless side network element or a local gateway (can be performed by using a source address) Judging); determining whether there is a local IP indication in the downlink data notification (the indication may be added by the local gateway or the wireless side network element). Specifically, for the first mode: if the mobility management entity finds that the downlink data notification is initiated by the local gateway or the wireless side network element, it determines that the downlink data is downlink data triggered by the local IP access.
  • the downlink data notification message includes the local IP indication, that is, the downlink data is the downlink data triggered by the local IP access
  • the downlink data is determined to be the downlink data triggered by the local IP access.
  • the wireless side network element of the local IP access can be the same as the local gateway address, and the wireless side network element accessed by the local IP is combined with the local gateway.
  • it can be tunneled to distinguish whether the paging message is triggered by the core network or triggered by the local IP, that is, the paging message transmission of the local IP access between the mobility management entity and the home base station gateway.
  • the channel is different from the paging message transmission channel of the core network.
  • the home base station gateway can also distinguish whether the paging message is triggered by the core network or triggered by the local IP. If there is a home base station gateway, if the paging message is distinguished by tunneling, the mobility management entity may transmit the paging message on the pre-agreed transmission channel after determining that the downlink data is the data of the local IP; After the paging message for the local IP access (transmitted through the paging message transmission channel accessed by the local IP), the home base station gateway accesses the corresponding base station or the home base station or the data offloading function entity to the local IP address of the terminal (both can be connected to the local gateway) The address is the same) Send a paging message.
  • the mobility management entity determines that the downlink data is the data of the local IP, adds the local IP access identifier to the paging message, and the home base station gateway according to the paging.
  • the local IP access identifier in the message is judged to be the local IP address.
  • the paging message is sent to the base station or the home base station or the data offloading function entity (both of which can be the same as the local gateway address) corresponding to the local IP access of the terminal.
  • the home base station gateway may connect to all the base stations, the home base station, and the data offloading function entity connected to the home base station gateway or allow the terminal to connect.
  • the incoming base station, the home base station, and the data offload function entity send the paging message.
  • FIG. 5 is a flowchart of the present invention, based on the home base station system of FIG. 1, providing a procedure for a home base station system to initiate a paging procedure for an idle user when data is accessed from a local IP.
  • the specific steps are as follows: Step 501: After receiving the data sent to the terminal, the local gateway will cache the data. Step 502: The local gateway sends a downlink data notification message to the mobility management entity. Step 503: The mobility management entity replies to the downlink.
  • Step 504 The mobility management entity finds that the downlink data notification message is initiated by the local gateway or the home base station gateway, and determines that the downlink data is data triggered by local IP access, and only pages the home base station accessed by the local IP; The method for determining the IP data may also be based on the local IP indication in the downlink data notification message. If the mobility management entity finds that the downlink data notification includes the local IP indication of the downlink data triggered by the local IP access, the downlink data may be determined as the downlink data triggered by the local IP access.
  • Step 505 After determining that the downlink data is data triggered by the local IP access, the mobility management entity does not send a paging message to all base stations in the tracking area of the terminal, but only the home base station that is accessed by the local IP (in this embodiment, the home station) The base station address is the same as the local gateway address. The paging is sent and the terminal identifier is carried.
  • Step 506 After receiving the paging message, the home base station will page the terminal. Step 507, once the paging information is obtained, the terminal will perform a service request process.
  • FIG. 6 is a flowchart of the present invention, based on the home base station system of FIG. 2a, providing a procedure for a home base station system to initiate a paging procedure for an idle user when data is accessed from a local IP.
  • the specific steps are as follows: Step 601: After receiving the data sent to the terminal, the local gateway caches the data. Step 602: The local gateway sends a downlink data notification message to the home base station gateway. Step 603: The home base station gateway uses the downlink data. The notification message is forwarded to the mobility management entity. Step 604: The mobility management entity replies to the downlink data notification response. Step 605: The home base station gateway forwards the downlink data notification response to the local gateway.
  • Step 606 The mobility management entity finds that the downlink data notification message is When the local gateway or the home base station gateway initiates, it is determined to be the data of the local IP, and only the home base station accessed by the local IP is paged; steps 605 and 606 are sequentially interchangeable.
  • the method for determining the local IP data may also be based on the local IP indication in the downlink data notification message. If the mobility management entity finds that the downlink data notification includes the local IP indication of the downlink data triggered by the local IP access, the downlink data may be determined as the downlink data triggered by the local IP access.
  • Step 607 After determining that the downlink data is data triggered by the local IP access, the mobility management entity does not send a paging message to all base stations in the tracking area of the terminal, but only sends a paging to the home base station gateway, and carries the terminal identifier;
  • the tunnel mode allows the home base station gateway to distinguish whether the paging message is triggered by the core network or the local IP, that is, between the mobility management entity and the home base station gateway, paging the paging message transmission channel and the core network for the local IP access.
  • the message transmission channel is different.
  • the mobility management entity may transmit the paging message on the pre-agreed transmission channel; or, the home base station gateway may distinguish the paging by using the identifier manner.
  • the message is triggered by the core network It is also triggered by local IP.
  • the local IP access identifier may be added to the paging message.
  • the home base station gateway accesses the home base station to the local IP address.
  • the home base station address is the same as the local gateway address.
  • the paging message is sent to carry the terminal identifier.
  • the home base station gateway After being transmitted by the paging message transmission channel of the local IP access, the home base station gateway sends a paging message to the home base station corresponding to the local IP access of the terminal (which can be the same as the local gateway address). If the home base station gateway distinguishes whether the paging message is triggered by the core network or the local IP, the home base station gateway determines that the data of the local IP is triggered according to the local IP access identifier in the paging message, and then localizes to the terminal. The home base station corresponding to the IP access (which can be the same as the local gateway address) sends a paging message. Step 609, after receiving the paging message, the home base station will page the terminal; Step 610, once the paging information is obtained, the terminal will perform the service request process.
  • the above embodiment only illustrates the management manner of the local IP connection by taking the case of the home base station system of FIG. 2a as an example.
  • the mobility management entity receives only the downlink data notification triggered by the local gateway to the local IP access, and only to the wireless side of the local IP access.
  • the method for initiating the paging terminal by the network element, and the method for optimizing the paging of the local IP access establishment is very similar to the above embodiment, and will not affect the description of the present invention, so the description will not be repeated here.
  • the above embodiment only illustrates the management manner of the local IP connection by taking the case of the home base station system as an example.
  • the mobility management entity after receiving the downlink data notification triggered by the local IP access, the mobility management entity initiates the operation of the paging terminal only to the radio side network element accessed by the local IP, and performs local IP access establishment.
  • the method of paging optimization is very similar to the above embodiment, and does not affect the description of the present invention, so the description will not be repeated here.
  • the mobility management entity may be an MME, an MSC, or an SGSN.
  • the wireless side network element may be a base station, a home base station, an RNC (Radio Network Controller), a home base station gateway, and a data offload function entity.
  • the local gateway may be an L-SGW (Local Serving Gateway) and an L-PGW (Local Packet Data Network Gateway), and may be a separate L-PGW, which may be an L-GGSN (Local Gateway).
  • the GPRS Support Node, the Local Gateway GPRS Support Node, and the Local Serving GPRS Support Node, which may be a separate L-GGSN, may be a data offloading functional entity.
  • the service gateway can be an SGW or an SGSN.
  • the access gateway can be a PGW or a GGSN.
  • the local IP access/local IP connection can be local IP access to the user's local network, local IP access to the company's local network, local IP access to the Internet, Internet traffic shunting, and specific IP data offloading.
  • the system for implementing the above method includes a mobility management entity, a wireless side network element, and a terminal, and the mobility management entity, the wireless side network element, and the terminal are sequentially connected.
  • the system further includes a home base station gateway, the mobility management entity, the home base station gateway, the home base station, and the terminal are sequentially connected.
  • Connections described herein refer to communications, including wired and wireless. For example, there may be a wired connection (ie, wired communication) between the mobility management entity and the wireless side network element gateway, and a wireless connection (ie, wireless communication) between the wireless side network element and the terminal.
  • the mobility management entity implementing the above method includes a receiving unit, a determining unit, and a paging unit; wherein:
  • the receiving unit is configured to: receive the downlink data notification; the determining unit is configured to: determine whether the received downlink data notification is triggered by the local IP access, and if yes, invoke the paging unit; the paging unit is set to: according to the calling of the determining unit , to the wireless side network element of the local IP access The operation of the paging terminal.
  • the judging unit can judge whether the received downlink data notification is local by one of the following methods
  • Triggered by IP access Determine whether the NE that initiates the downlink data notification is the local gateway or the wireless side network element. If yes, the received downlink data notification is triggered by the local IP access. Determine whether there is a local IP in the downlink data notification. Indicates that if there is a local IP indication in the downlink data notification, the received downlink data notification is considered to be triggered by the local IP access.
  • the paging unit initiates the operation of the paging terminal to the radio side network element of the local IP access, the paging message may be transmitted on a pre-agreed transmission channel.
  • the local IP access identifier is added to the paging message, and is used to identify that the paging message is triggered by the local IP access.
  • the wireless side network element implementing the foregoing method includes a receiving unit, a determining unit, an indicating unit, and a sending unit, where:
  • the receiving unit is configured to: receive data sent to the terminal; the determining unit is configured to: determine whether the received data sent to the terminal is data triggered by the local IP access, and if yes, invoke the indication unit; the indicating unit is configured to: According to the invoking of the determining unit, when constructing the downlink data notification, the local IP indication is added; the sending unit is configured to: send the downlink data notification carrying the local IP indication to the mobility management entity.
  • the home base station gateway that implements the foregoing method includes a receiving unit, a determining unit, an indicating unit, and a sending unit, where: the receiving unit is configured to: receive data sent by the wireless side network element; and the determining unit is configured to: determine whether the received data is The local IP access triggers the data, and if so, the indication unit is invoked; The indication unit is configured to: add a local IP indication when constructing the downlink data notification according to the invoking of the determining unit; and the sending unit is configured to: send the downlink data notification carrying the local IP indication to the mobility management entity.
  • the receiving unit is further configured to: receive the paging message sent by the mobility management entity; the determining unit is further configured to: determine whether the received paging message is triggered by the mobility management entity or triggered by the local IP access, if the local IP access is triggered And sending, by the sending unit, the sending unit is further configured to: send the paging message to the wireless side network element corresponding to the local IP access of the terminal.
  • the judging unit judges whether the received paging message is triggered by the mobility management entity or triggered by the local IP access according to one of the following manners: according to whether the received paging message is on a pre-agreed transmission channel, and if yes, determining The received paging message is triggered by the local IP access; it is determined whether there is a local IP access identifier in the received paging message, and if so, it is determined that the received paging message is triggered by the local IP access.
  • 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. While the invention has been described in connection with the specific embodiments, the modifications and variations may be Such modifications and variations are considered to be within the scope of the invention and the scope of the appended claims.
  • the present invention provides a paging method and related apparatus for local IP access, when receiving a local IP
  • the mobility management entity After the downlink data notification, the mobility management entity only initiates the operation of the paging terminal to the home base station accessed by the local IP, and does not send the paging message to all the base stations in the tracking area of the terminal, which can effectively optimize the paging mechanism and avoid the paging mechanism.
  • the waste of paging messages and air interface resources improves the processing efficiency of the mobile communication system.

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  • Computer Networks & Wireless Communication (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de recherche pour un accès au Protocole Internet (IP) local et un appareil associé correspondant. Après la réception de la notification de données en liaison descendante de la part de l'IP local, l'entité de gestion de mobilité entreprend seulement l'opération de recherche d'un terminal au nœud B domestique auquel l'IP local a accédé et n'enverra pas les messages de recherche à toutes les stations de base dans la zone de suivi du terminal. Ainsi, le mécanisme de recherche est optimisé efficacement, la perte du message de recherche et des ressources d'interface hertzienne est évitée et l'efficacité du traitement du système de communication mobile est améliorée.
PCT/CN2010/071557 2009-05-05 2010-04-06 Procédé de recherche pour un accès à l'ip local et appareil associé correspondant Ceased WO2010127580A1 (fr)

Applications Claiming Priority (2)

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CN 200910139156 CN101730228B (zh) 2009-05-05 2009-05-05 一种对本地ip访问实现寻呼优化的方法及相关装置
CN200910139156.7 2009-05-05

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WO2010127580A1 true WO2010127580A1 (fr) 2010-11-11

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Cited By (2)

* Cited by examiner, † Cited by third party
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CN102158982A (zh) * 2011-02-16 2011-08-17 电信科学技术研究院 一种lipa连接的处理方法和设备
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