CN100583905C - Mobile terminal IP address distributing method - Google Patents
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- CN100583905C CN100583905C CN200610034489A CN200610034489A CN100583905C CN 100583905 C CN100583905 C CN 100583905C CN 200610034489 A CN200610034489 A CN 200610034489A CN 200610034489 A CN200610034489 A CN 200610034489A CN 100583905 C CN100583905 C CN 100583905C
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Abstract
The present invention provides mobile terminal distributing IP address method in mobile terminal through AP directly accessing packet data network structure. When mobile terminal directly accessing grouped data service through AP, AG controlling AP managing mobile terminal IP address distribution, AP capable of being used as DHCP client-side and DHCP relay, through configuring static IP address pool method to realize IP address distribution in mobile terminal directly accessing grouped data service. Said invention provided method solves mobile terminal IP address distribution.
Description
Technical field
The invention belongs to wireless communication field, particularly in cordless communication network, be the method for portable terminal distributing IP address.
Background technology
Along with the flourish and broadband access network of Internet business and the extensive use of wireless network, at a high speed, access network is paid close attention to widely easily.Simultaneously, for the resource of better utilization existing network, the cost of protecting network equipment operator better, merge mobile access network and fixed access network road separately the research of advantage becoming the new focus of field of Communications.
At a patent application document that the applicant had before submitted, a kind of new wireless packet data transmission network has been proposed, as shown in Figure 1.
This wireless packet data transmission network comprises wireless access gateway AG, at least one radio access node AP and the signatory register of user.
Wireless access gateway AG mainly finishes the block domain data transfer function, finishes GGSN, SGSN chain of command function, and the chain of command interface the same with GGSN/SGSN also can be provided simultaneously.This AG major function comprises:
Network insertion control: mainly finish the mobile subscriber to the connection of communication network to reach the purpose of using network to serve, comprise authentication and authorization, access, packet filtering etc., mobile subscriber's access control behavior can occur in mobile side, also can occur in the fixation side of network, network insertion control can be finished some specific flow processs, such as: limit number of mobile users, limit the access capability of unique user etc.
Grouping message routing and forwarding control: in the wireless access network Central Shanxi Plain, it mainly finishes the function of chain of command, finish foundation, modification and the dispose procedure of forward-path, comprise functions such as address transition and mapping, encapsulation, tunnel, forward-path is made up of source node, destination node, may also possess transit node.
Mobile management: finish the address information of portable terminal in the mobile network and the management of positional information.
Radio access node management: mainly finish authentication and registration management process to radio access node.
Accounting management: finish the mobile subscriber charging policy management, charge information collection and report, provide billing interface etc.
Network Management Function: the correlation function that the operation and maintenance of transmission network mainly is provided.
Radio access node AP, the repertoire of NodeB, to packet domain, it possesses GGSN, SGSN and RNC user plane functions in having the UMTS network, and concrete function is as follows:
Wireless access control: mainly finish the foundation and the release of Radio Link, the access control of wave point, the scheduling of wave point message etc.
Grouping message routing and forwarding: mainly finish the encapsulation and the forwarding of grouped data.
Radio resource management function: mainly be responsible for wireless resource allocation, recovery and maintenance, comprise handover management, power control, access control and packet scheduling etc.
Encoding and decoding speech function: the format conversion of mainly finishing the voice message between wave point and the network layer interface.
Network Management Function: the operation and maintenance function to transmission network is provided.At the function of above-mentioned radio access node, the present invention proposes a kind of radio access node, comprise wireless access control module, grouping message routing and forwarding module, RRM module at least;
The wireless access control module is finished the foundation and the release of Radio Link, the access control of wave point, the scheduling of wave point message; Grouping message routing and forwarding module are finished the encapsulation and the forwarding of grouped data; The Radio Resource module is finished wireless resource allocation, recovery and maintenance.
Radio access node also comprises the encoding and decoding speech module, finishes the format conversion of the voice message between wave point and the network layer interface, and the circuit domain business that some real-times are stronger is handled.
The signatory register of user is used to store access control information, positional information and the authentication information of user terminal.Simultaneously this grouping data transmission network can also comprise aaa server, directly links to each other with wireless access gateway or continuous by provider backbone, be used for to portable terminal authorize, authentication etc.
Simultaneously, this radio access node externally can also provide Gi, Gn interface in the user plane, supports the access that existing portable terminal is seamless, has increased the applicability of equipment.
AG is connected with one or more AP by transmission network, and AP is managed and controls.Transmission network can be xDSL network, IP over Ethernet, IP over atm network or WiNMAX network etc., different transmission networks can't influence the function of AG and AP, only need finish the adaptive of different transmission networks on these two equipment and get final product.Transmission network is connected with Internet by the gateway device on the transmission network.
When MS when AP initiate to insert request, AP equipment is finished the authentication to MS under the assistance of AG, by a series of Signalling exchange, finish the network insertion of MS, AG equipment is responsible for Radio Resource is managed.When MS carries out packet data transmission, can directly carry out transfer of data by AP and packet data network, compare with the transfer of data that networks such as existing UMTS carry out, very simple of network configuration, reduce user's time delay, improved forwarding performance, improved the bandwidth of eating dishes without rice or wine.
On the basis of above-mentioned wireless packet data transmission plan, the applicant has proposed a kind of network configuration again, above-mentioned wireless packet data transmission network and existing 3G network are combined, so both can processed voice etc. circuit domain business, can handle Packet data service efficiently again.
As shown in Figure 2, be example with the UMTS network, UMTS network of the prior art and above-mentioned wireless packet data transmission network link together.Wherein AG is connected with VLR/MSC, SGSN and GGSN in the UMTS network, and AG can share the signatory register of a user with the UMTS network simultaneously, is HLR in the UMTS network.
AG outwards provides Iu-CS interface, gn interface, Gr interface, Ga interface etc., has so just guaranteed the seamless link of AG and existing network.AG links to each other with VLR/MSC by Iu-CS interface, when MS is linked in the network by AP, just can will communicates to connect by Iu-CS interface and be transferred among the MSC, thereby realize the function of circuit domain.Simultaneously, AG also is connected with SGSN, GGSN by gn interface, when MS is linked in the network by AP, on the one hand MS can will communicate to connect by the gn interface that AG provides and be transferred on the GGSN, carry out transmission of packet data or will communicate with the network that other link to each other with UMTS by GGSN by GGSN; When conversion from the AP network to 3G network took place MS, AG switched by SGSN.
In this network, AG can make the CAMEL-Subscription-Information of the HLR storage user in the UMTS network, the portable terminal that inserts by AP is carried out the inquiry of positional information, CAMEL-Subscription-Information.Judge the desired type of service of portable terminal, and judge user's corresponding service of whether having contracted, and handle accordingly according to type of service.When the user carried out voice service, AG can be transferred to user's request on the VLR/MSC of UMTS, is carried out the service of circuit domain by GMSC by VLR/MSC; When the user carried out the transmission of Packet data service, by the destination address of AP according to user's requested service, the selection and the packet network that carry out route connected, and directly carry out the transmission of grouped data.The user utilizes original network when the business of transfer circuit territory like this, when transmitting packet switch domain service, directly is connected with packet data network by AP, and the data in the middle of having reduced transmit link, have reduced the time delay of network processes.
In such scheme, when portable terminal is visited the Internet Packet data service by AP, need distribute an IP address to portable terminal, in the prior art, in the above-mentioned network architecture, also there is not a kind of method of portable terminal being carried out IP address assignment.
Summary of the invention
At the problems referred to above, the present invention proposes and a kind ofly directly visit by AP in the network architecture of packet data network at portable terminal, be the method for portable terminal distributing IP address.The present invention proposes a kind of mobile terminal IP address distributing method, portable terminal is during by radio access node AP visit packet data network, and radio access node AP is as dhcp client, the distribution of managing mobile terminal IP address; Perhaps, according to the request of portable terminal, radio access node AP is as dhcp client, the distribution of managing mobile terminal IP address.
In the such scheme, comprise the steps:
Portable terminal sends the IP address assignment mode to wireless access gateway AG and identifies;
Wireless access gateway AG judges that the IP address assignment mode identifies, and when being designated as by wireless access gateway AG initiation distribution PDP IP request, radio access node is as the distribution of dhcp client managing mobile terminal IP address.
As AP during as dhcp client, the distribution of managing mobile terminal IP address comprises step:
A1, wireless access gateway AG send to radio access node AP and distribute PDP IP request message;
A2, radio access node AP receive and distribute PDP IP request message, and send the DHCP request to Dynamic Host Configuration Protocol server;
A3, Dynamic Host Configuration Protocol server receive the DHCP request, the distributing IP address, and IP address allocated sent to radio access node AP;
A4, radio access node AP send distribution PDP IP response message according to the IP address information that receives to wireless access gateway AG;
A5, wireless access gateway AG receive IP address allocated, and this IP address is sent to portable terminal.
In the such scheme, before the described step a1, further comprise step:
A11, portable terminal send to wireless access gateway AG and activate the PDP Context request message.
The present invention proposes a kind of mobile terminal IP address distributing method, portable terminal is during by radio access node AP visit packet data network, and radio access node AP is as DHCP relay, the distribution of managing mobile terminal IP address; Perhaps, according to the request of portable terminal, radio access node AP is as DHCP relay, the distribution of managing mobile terminal IP address;
Described radio access node AP is as DHCP relay, and the distribution of managing mobile terminal IP address comprises the steps:
Portable terminal sends the IP address assignment mode to wireless access gateway AG and identifies;
Wireless access gateway AG judges that the IP address assignment mode identifies, and when being designated as by portable terminal initiation distribution PDP IP request, radio access node is as the distribution of DHCP relay managing mobile terminal IP address.
When radio access node during as DHCP relay, the distribution of managing mobile terminal IP address comprises the steps:
B1, portable terminal send the DHCP request to radio access node AP;
B2, radio access node AP transmit the DHCP request to Dynamic Host Configuration Protocol server, and obtain the IP address information from the dhcp response of Dynamic Host Configuration Protocol server, send to wireless access gateway AG and revise PDP IP request message;
B3, wireless access gateway upgrade the PDP IP address in the PDP Context, and send renewal PDP IP response message to radio access node AP;
B4, radio access node AP judge that wireless access gateway upgrades successfully, then notify the IP address information in the portable terminal modification PDP Context.
In the such scheme, before the step b1, further comprise:
B11, portable terminal send to wireless access gateway AG and activate the PDP Context request message;
B12, wireless access gateway AG send to portable terminal and activate PDP Context reception message.
The present invention proposes a kind of mobile terminal IP address distributing method, when portable terminal was visited packet data network by radio access node AP, radio access node AP can also pass through configuring static IP address pool, the distribution of managing mobile terminal IP address.
In the such scheme, radio access node AP configuring static IP address pool, the distribution of managing mobile terminal IP address comprises step:
C1, radio access node receive the activation PDP Context request message that portable terminal sends, and choose the IP address in the secondary IP address pond;
C2, radio access node send to wireless access gateway AG with described IP address;
C3, wireless access gateway AG send to portable terminal with the IP address information.
In the such scheme, before the step c1, radio access node AP at first stores one or more IP address informations, forms the IP address pool.
Pass through this method, when portable terminal is directly visited Packet data service by AP, the distribution of AG control AP managing mobile terminal IP address, AP can be used as dhcp client, also can be used as DHCP relay, also can be according to the information of portable terminal as dhcp client or DHCP relay, also can be by the method for configuring static IP address pool, be implemented in portable terminal and directly visit IP address assignment under the Packet data service situation.By this method, solved the IP address assignment problem of portable terminal, for portable terminal provides guarantee by directly correct, the errorless visit Packet data service of AP.
Description of drawings
Fig. 1 is that portable terminal passes through the network structure that AP directly visits grouped data;
Fig. 2 is that portable terminal passes through AP and directly visits the network of grouped data and the integrated structure figure of existing UMTS network;
Fig. 3 is the method flow diagram of the AP that proposes of the present invention as the IP address assignment of dhcp client managing mobile terminal;
Fig. 4 is the method flow diagram of the AP that proposes of the present invention as the IP address assignment of DHCP relay managing mobile terminal;
Fig. 5 is the AP that proposes of the present invention according to the request of the portable terminal method flow diagram as the distribution of dhcp client and DHCP relay managing mobile terminal IP address;
Fig. 6 is the method flow diagram of the AP that proposes of the present invention by the managing mobile terminal IP address assignment of configuration of IP address pond.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples, and, the present invention is described in further detail with reference to accompanying drawing.
What the present invention proposed directly visits in the network configuration of Packet data service at portable terminal by AP, a kind of is the method for portable terminal distributing IP address, can be applied under the network architecture of AP shown in Figure 1 and the independent networking of AG, also can be applied under this network and the network architecture that combines of existing 3G network as shown in Figure 2, its concrete implementation procedure is identical.Described here 3G network is UMTS network, GPRS network, CDMA2000 network and TD-SCDMA network etc.Below we will directly visit by AP under the network architecture that group data service network and existing 3G network combine at portable terminal, describe the present invention in detail.
When portable terminal is directly visited Packet data service by AP, a kind of mobile terminal IP address distributing method that the present invention proposes, because portable terminal is directly visited packet data network by radio access node AP and without wireless access gateway AG equipment, so we propose the IP address assignment process by radio access node AP managing mobile terminal.When branch timing by AP managing mobile terminal IP address, can adopt four kinds of modes to carry out: the distribution of AG control AP managing mobile terminal IP address, AP can be used as dhcp client, also can be used as DHCP relay, also can be according to the information of portable terminal as dhcp client or DHCP relay, also can be implemented in portable terminal by the method for configuring static IP address pool and directly visit IP address assignment under the Packet data service situation.Below we will be illustrated respectively.
First execution mode of the present invention, as shown in Figure 3, under the present networks framework, by the distribution of AP managing mobile terminal IP address, AP uses as dhcp client, comes the distribution of managing mobile terminal IP address, comprises the steps:
Portable terminal carries Access Point Name APN in this message, it is used to refer to portable terminal, and to be to use AP still be the GGSN accessing group data network:
When the GGSN accessing group data network was used in the portable terminal indication, AG sent to GGSN with request message, and follow-up flow process is identical with the IP address of terminal method of salary distribution in the 3GPP flow process, no longer describes here;
When the AP accessing group data network was used in the portable terminal indication, then AG continued this flow process, the distribution of control AP managing mobile terminal IP address.
Step 302～step 303 is the radio bearer link establishment process between portable terminal and the AP, between AP and the AG.
This message comprises transaction number, mobile terminal identification, PDP sign, PDP IP type information, and wherein transaction number is distributed by AG, is used for unique sign once to apply for IP Address requests/response process; Mobile terminal identification is used for the portable terminal that the unique identification request inserts, and can be IMSI, or P TMSI etc.; The IP type that PDP IP type indicating mobile terminal is supported.AG asks PDP IP address message by this message to AP.
Step 305, AP activates the DHCP flow process as dhcp client to Dynamic Host Configuration Protocol server;
After AP received and distributes PDP IP request message, AP initiated the DHCP request to Dynamic Host Configuration Protocol server, distributes an IP address by Dynamic Host Configuration Protocol server, and send to AP in dhcp response, and the DHCP flow process is the international flow process of standard, here no longer describes.
After AP obtains the IP address information from Dynamic Host Configuration Protocol server, this message informing AG is passed through as PDP IP address in the IP address; Comprise cell in this message: transaction number, mobile terminal identification, PDP sign, portable terminal PDP IP address; If AP does not obtain the IP address, then do not need to carry portable terminal PDP IP address in the message.
UMTS AG obtains the PDP IP in the message after receiving and distributing PDP IP response message, and accepts the message informing portable terminal by activating PDP Context.
AP has finished the distribution of mobile terminal IP address information as dhcp client, it is to be noted, in above-mentioned steps 301, when in the network architecture of AP and the independent networking of AG, portable terminal activates in the PDP Context request message and can carry APN information just by the AP accessing group data network.
Below we introduce second execution mode of the present invention, as shown in Figure 4, under the present networks framework, by the distribution of AP managing mobile terminal IP address, AP uses as DHCP relay, comes the distribution of managing mobile terminal IP address, comprises the steps:
Portable terminal carries Access Point Name APN in this message, it is used to refer to portable terminal, and to be to use AP still be the GGSN accessing group data network:
When the GGSN accessing group data network was used in the portable terminal indication, AG sent to GGSN with request message, and follow-up flow process is identical with the IP address of terminal method of salary distribution in the 3GPP flow process, no longer describes here;
When the AP accessing group data network was used in the portable terminal indication, then AG continued this flow process, and control AP carries out the distribution of IP address.
Step 402～step 403 is the radio bearer link establishment process between portable terminal and the AP, between AP and the AG.
In this message, PDP IP address is 0.
After portable terminal receives that activating PDP Context receives message, check that PDP IP address is at 0 o'clock, portable terminal is initiated the DHCP flow process; If or the IP address assignment mode in the corresponding request of this response of record in the portable terminal, then portable terminal need not judge whether PDP IP address is 0; AP transmits the DHCP flow process to Dynamic Host Configuration Protocol server, Dynamic Host Configuration Protocol server distributing IP address, and AP obtains IP address of terminal from the DHCP flow process.
Step 406, AP sends to AG and upgrades PDP IP request message;
AP obtains Dynamic Host Configuration Protocol server to after the portable terminal IP address allocated, and structure upgrades PDP IP request message, carries PDP IP address in the message, the PDP IP address in the PDP Context of notice AG renewal correspondence.
The PDP IP address information that the AG utilization receives is upgraded the IP address information in the corresponding PDP Context, and sends renewal PDP IP response message to AP, carries transaction number in this message, mobile terminal identification, and PDP identifies, information such as response results.
AP judges the response results of upgrading in the PDP IP response message, if upgrade successfully, then AP sends the PDP Context request of upgrading to portable terminal.
Step 409, portable terminal send to AP upgrades the PDP Context response message.
AP has finished the distribution of mobile terminal IP address information as DHCP relay, it is to be noted, in above-mentioned steps 301, when in the network architecture of AP and the independent networking of AG, portable terminal activates the PDP Context request message and can carry APN information just by the AP accessing group data network.
Below we will introduce the third execution mode that AP is portable terminal distributing IP address, this execution mode combines above-mentioned two kinds of IP address assignment methods, plants in system simultaneously and uses, and as shown in Figure 5, comprises the steps:
Step 501, portable terminal send to AG and activate the PDP Context request message;
Utilize this method, we dispose three kinds of APN sign in portable terminal, to be used to refer to portable terminal respectively be by the GGSN accessing group data network, initiated to distribute PDP IP request and initiated to distribute PDP IP request by the AP accessing group data network by portable terminal by AG by the AP accessing group data network; In AG, we dispose two kinds of APN signs, are used to refer to respectively by AG to initiate to distribute PDP IP request and initiate to distribute PDP IP request by portable terminal.Certainly in the network configuration of AP and the independent networking of AG, in portable terminal, can dispose first kind of APN sign.
Step 502, AG judges that according to the APN sign that receives portable terminal is by the AP accessing group data network or by the GGSN accessing group data network;
When the APN indicating mobile terminal passes through the GGSN accessing group data network, change step 503; When the APN indicating mobile terminal passes through the AP accessing group data network, change step 504.
When the APN indication initiates to distribute PDP IP request by AG, change step 505; When the APN indication initiates to distribute PDP IP request by portable terminal, change step 506.
Step 505, AP is as the distribution of dhcp client managing mobile terminal IP address;
AG initiate to distribute the request of PDP IP, and AP does the distribution of dhcp client managing mobile terminal IP address, and AP is identical as the workflow of dhcp client among concrete workflow and first embodiment, here no longer repeats.
Portable terminal initiate to upgrade the request of PDP IP address to AP, and AP is as the distribution of DHCP relay managing mobile terminal IP address, and concrete workflow is identical as the workflow of DHCP relay with AP among second embodiment, here no longer repeats.
In the 3rd execution mode, we identify by APN, select how to be portable terminal distributing IP address information, have increased the flexibility of system assignment IP address information, combine the advantage of two kinds of IP address assignment modes.
In addition, the portable terminal distributing IP address that we can also adopt static mode to insert for request, in the 4th embodiment, we will illustrate this IP address assignment mode in conjunction with Fig. 6.
When this method of use, we are configuring static IP address pool in AP at first, promptly by one or more snippets IP address is written in the database of AP, when portable terminal sends when request to AP, take out the IP address by certain rule in the AP secondary IP address pond, distribute to portable terminal, concrete workflow as shown in Figure 6.
Portable terminal carries Access Point Name APN in this message, it is used to refer to portable terminal, and to be to use AP still be the GGSN accessing group data network:
When the GGSN accessing group data network was used in the portable terminal indication, AG sent to GGSN with request message, and follow-up flow process is identical with the IP address of terminal method of salary distribution in the 3GPP flow process, no longer describes here;
When the AP accessing group data network was used in the portable terminal indication, then AG continued this flow process, and control AP carries out the distribution of IP address.
Equally, when in the network architecture of AP and the independent networking of AG, portable terminal activates in the PDP Context request message and can carry APN information just by the AP accessing group data network.
Receive the activation PDP Context request message of portable terminal as AP after, from the IP address pool of configuration, choose an IP address and be filled in the activation PDP Context request message notice AG as portable terminal PDP IP.
Step 602～step 603 is the radio bearer link establishment process between portable terminal and the AP, between AP and the AG.
AG will activate PDP IP in the PDP Context request message and take out to be filled in and activate PDP Context and accept to notify in the message portable terminal, upgrade PDP Context.
In sum, what the present invention proposed directly visits a kind of mobile terminal IP address distributing method in the packet data network at portable terminal by AP, preferably resolves in this kind network configuration, is the problem of portable terminal distributing IP address.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1, a kind of mobile terminal IP address distributing method is characterized in that, portable terminal is during by radio access node AP visit packet data network, and radio access node AP is as dhcp client, the distribution of managing mobile terminal IP address; Perhaps, according to the request of portable terminal, radio access node AP is as dhcp client, the distribution of managing mobile terminal IP address;
Described radio access node AP is as dhcp client, and the distribution of managing mobile terminal IP address comprises the steps:
Portable terminal sends the IP address assignment mode to wireless access gateway AG and identifies;
Wireless access gateway AG judges that the IP address assignment mode identifies, and when being designated as by wireless access gateway AG initiation distribution PDP IP request, radio access node is as the distribution of dhcp client managing mobile terminal IP address.
2, the method for claim 1 is characterized in that, as AP during as dhcp client, the distribution of managing mobile terminal IP address comprises step:
A1, wireless access gateway AG send to radio access node AP and distribute PDP IP request message;
A2, radio access node AP receive and distribute PDP IP request message, and send the DHCP request to Dynamic Host Configuration Protocol server;
A3, Dynamic Host Configuration Protocol server receive the DHCP request, the distributing IP address, and IP address allocated sent to radio access node AP;
A4, radio access node AP send distribution PDP IP response message according to the IP address information that receives to wireless access gateway AG;
A5, wireless access gateway AG receive IP address allocated, and this IP address is sent to portable terminal.
3, method as claimed in claim 2 is characterized in that, before the described step a1, further comprises step:
A11, portable terminal send to wireless access gateway AG and activate the PDP Context request message.
4, a kind of mobile terminal IP address distributing method is characterized in that, portable terminal is during by radio access node AP visit packet data network, and radio access node AP is as DHCP relay, the distribution of managing mobile terminal IP address; Perhaps, according to the request of portable terminal, radio access node AP is as DHCP relay, the distribution of managing mobile terminal IP address;
Described radio access node AP is as DHCP relay, and the distribution of managing mobile terminal IP address comprises the steps:
Portable terminal sends the IP address assignment mode to wireless access gateway AG and identifies;
Wireless access gateway AG judges that the IP address assignment mode identifies, and when being designated as by portable terminal initiation distribution PDP IP request, radio access node is as the distribution of DHCP relay managing mobile terminal IP address.
5, method as claimed in claim 4 is characterized in that, when radio access node during as DHCP relay, the distribution of managing mobile terminal IP address comprises the steps:
B1, portable terminal send the DHCP request to radio access node AP;
B2, radio access node AP transmit the DHCP request to Dynamic Host Configuration Protocol server, and obtain the IP address information from the dhcp response message of Dynamic Host Configuration Protocol server, send to wireless access gateway AG and revise PDP IP request message;
B3, wireless access gateway upgrade the PDP IP address in the PDP Context, and send renewal PDP IP response message to radio access node AP;
B4, radio access node AP judge that wireless access gateway upgrades successfully, then notify the IP address information in the portable terminal modification PDP Context.
6, method as claimed in claim 5 is characterized in that, before the step b1, further comprises step:
B11, portable terminal send to wireless access gateway AG and activate the PDP Context request message;
B12, wireless access gateway AG send to portable terminal and activate PDP Context reception message.
7, a kind of mobile terminal IP address distributing method, it is characterized in that, when portable terminal is visited packet data network by radio access node AP, radio access node AP is by configuring static IP address pool, the distribution of managing mobile terminal IP address, described radio access node AP configuring static IP address pool, the distribution of managing mobile terminal IP address comprises step:
C1, radio access node receive the activation PDP Context request message that portable terminal sends, and choose the IP address in the secondary IP address pond;
C2, radio access node send to wireless access gateway AG with described IP address;
C3, wireless access gateway AG send to portable terminal with the IP address information.
8, method as claimed in claim 7 is characterized in that, before the step c1, radio access node AP at first stores one or more IP address informations, forms the IP address pool.
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| CN200610034489A CN100583905C (en) | 2006-03-15 | 2006-03-15 | Mobile terminal IP address distributing method |
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| CN108650336A (en) * | 2018-04-13 | 2018-10-12 | 普联技术有限公司 | IP address dynamic allocation method, device and storage medium, wireless relay apparatus |
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