CN101304610B - Method, system and microminiature gateway for communication between microminiature honeycomb network and macro network - Google Patents

Method, system and microminiature gateway for communication between microminiature honeycomb network and macro network Download PDF

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CN101304610B
CN101304610B CN200810093288.6A CN200810093288A CN101304610B CN 101304610 B CN101304610 B CN 101304610B CN 200810093288 A CN200810093288 A CN 200810093288A CN 101304610 B CN101304610 B CN 101304610B
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microminiature
message
internet protocol
access point
key value
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CN101304610A (en
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刘清顺
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to PCT/CN2009/071820 priority patent/WO2009140902A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/09—Mapping addresses
    • H04L61/25—Mapping addresses of the same type
    • H04L61/2503—Translation of Internet protocol [IP] addresses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B

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

Abstract

The embodiment of the invention relates to a method, a system and an ultra-small gateway for carrying out the communication between an ultra-small cellular network and a macro-network, wherein, the method for carrying out the communication between the ultra-small cellular network and the macro-network comprises that: a source IP address in a message/data from FAP is replaced by an IP address of FGW and then sent to the macro-network side; and/or a target IP address in the message/data from the macro-network side is replaced by the IP address of FAP and sent to the FAP. The embodiment of the invention converts the source IP address in the message/data sent by the FAP to the IP address of the FGW which is accessed by the FAP, and coverts the target IP address in the message/data sent by the macro-network side to the corresponding IP address of the FAP, thus realizing the communication between the FAP and the macro-network side without the need of adding a plurality of FAP to change the configuration of the macro-network side and saving the maintenance costs.

Description

Microminiature cellular network and grand inter-net communication method, system and microminiature gateway
Technical field
The present invention relates to moving communicating field, relate in particular to method, system and the microminiature gateway (Femto GateWay is called for short FGW) that communicate between a kind of microminiature honeycomb (femto cell) network and the grand network.
Background technology
Code division multiple access (Code Division Multiple Access, be called for short CDMA) the 2000th, one of wireless access technology that 3G (Third Generation) Moblie is main, although its Data-carrying ability has had large increase, still there is bottleneck on the air interface for colourful multimedia service.In order to solve the bottleneck problem on the air interface, third generation partner program 2 (Third Generation Partnership Project 2, abbreviation 3GPP2) issued high rate packet data (High Rate Packet Data, be called for short HRPD) standard, can improve the message transmission rate of wave point.Be illustrated in figure 1 as HRPD network architecture schematic diagram in the prior art, (Access Terminal accesses terminal, be called for short AT) by base station transceiver (Base Station Transceiver, abbreviation BTS), base station controller (Base Station Controller, be called for short BSC) and Packet Control Function (Packet Control Function, be called for short PCF) be linked into the packet data service node (Packet Data Serving Node is called for short PDSN) of grand network side.Wherein, BTS and BSC form an Access Network (Access Network, be called for short AN), the A10/A11 interface is the interface between PCF and the PDSN, the A13 interface is the conversation shift interface between the AN, and the A16 interface is the direct-cut operation interface between the AN, and the A12 interface is AN and AN authentication authorized charging server (Authentication Authorization Accounting, abbreviation AAA) interface between, A8/A9 is an interface mutual between BSC and the PCF.
According to statistics, 70% telephone traffic occurs in indoorly in the communication, and how strengthening indoor covering effectively is the difficult point problem that operator faces.Can strengthen indoor coverage rate by increasing the outdoor macro base station deployment, but will cause the huge increase of cost of investment, also have variety of issue at aspects such as website selection, computer room construction, transmission cost and the network optimizations simultaneously.A kind of feasible solution is to adopt grand network to carry out outdoor generally covering, indoor use access point (the Access Point of family, be called for short AP) cover, Digital Subscriber Loop (Digital Subscriber Loop is called for short DSL) broadband network is used in transmission.The AP of family accomplishes plug and play, reduces transmission and network planning cost.Industry has proposed the notion of microminiature honeycomb (femto cell) for this reason, refers to by xDSL broadband network or internet that as transmission bearer compatible existing terminal provides the solution of covering family room in.Be illustrated in figure 2 as microminiature cellular network architecture schematic diagram in the prior art, microminiature access point (Femto Access Point, be called for short FAP) by modulator-demodulator or home gateway (Home GateWay, abbreviation HGW) is linked into the Internet, be linked into grand network (Macro Network) by microminiature gateway (Femto GateWay is called for short FGW) then.Among Fig. 2, FAP has realized the function of BTS, BSC and PCF among Fig. 1.
On existing grand network, increase after the microminiature cellular deployment, exist as lower interface between microminiature cellular network and the existing grand network:
(1) FAP provides the A10/A11 interface to insert the PDSN that has now in the grand network by FGW;
(2) for the switching of support terminal between microminiature cellular network and existing grand network, FAP need provide the A13/A16 interface to insert existing grand network by FGW;
(3) FAP provides the A12 interface to insert the AAA of existing grand network.
By the A10/A11 interface, for setting up PCF, the Packet data service user is connected with carrying between the PDSN, can realize conversation shift between FAP and the grand network by the A13 interface, direct-cut operation between FAP and the grand network can be realized by the A16 interface, the access authentication of AT can be realized by the A12 interface.
Because being mainly used in family room in, FAP covers, so quantity is huger, and the interface limited amount of AN, AAA and PDSN support in the existing grand network, can't support the FAP of huge quantity to insert, along with the increase of FAP, need to increase grand network element and dispose, cause cost to increase.FAP of every increase just needs the network element of grand network side to change configuration, and can cause maintenance cost to improve.
Summary of the invention
The problem that the embodiment of the invention exists at prior art, the method, system and the microminiature gateway that communicate between a kind of microminiature cellular network and the grand network are provided, support the FAP of a large amount of microminiature cellular network sides to be linked in the grand network, and the network element that need not grand network side changes configuration, can reduce maintenance cost.
The embodiment of the invention provides the method that communicates between a kind of microminiature cellular network and the grand network, comprising:
Send to grand network side after will replacing to the Internet protocol address of microminiature gateway from the source internet protocol address in the message of microminiature access point; And/or
Send to described microminiature access point after will replacing to the Internet protocol address of microminiature access point from the purpose Internet protocol address in the message of grand network side;
The Internet protocol address that will replace to the microminiature gateway from the source internet protocol address in the message of microminiature access point specifically comprises: be one and connect distribution second key value; Set up the mapping relations of the Internet protocol address of the Internet protocol address of described second key value and microminiature gateway and first key value and microminiature access point, described first key value is that described microminiature access point is that described connection distributes; To replace with the Internet protocol address of described microminiature gateway from the Care-of Address in the message of described microminiature access point; According to the mapping relations of the Internet protocol address of the Internet protocol address of described second key value and microminiature gateway and first key value and microminiature access point, will replace with second key value from first key value in the message of described microminiature access point; Regenerate Message Digest 5 five authentication values through the message after Care-of Address replacement and the key value replacement; According to the mapping relations of the Internet protocol address of the Internet protocol address of described second key value and microminiature gateway and first key value and microminiature access point, will replace with the Internet protocol address of described microminiature gateway from the source internet protocol address in the message that has regenerated Message Digest 5 five authentication values.
The embodiment of the invention also provides the method that communicates between a kind of microminiature cellular network and the grand network, comprising:
Microminiature access point being used for of sending asked the Internet protocol address of Access Network authentication authorized charging server of the message of authentication, replace with the Internet protocol address of microminiature gateway;
Receive the described message that is used to ask authentication;
Be used to ask the forwards of authentication to give described Access Network authentication authorized charging server with described.
The embodiment of the invention also provides a kind of microminiature gateway, comprising:
Receiver module is used to receive from grand network side or from the message of microminiature access point;
Module is replaced in the address, the source internet protocol address from the message of microminiature access point that is used for that just described receiver module receives replaces to the Internet protocol address of microminiature gateway, perhaps will replace to the Internet protocol address of microminiature access point from the purpose Internet protocol address in the message of grand network side;
Sending module, the message that is used for carrying out after replace the address through described address replacement module sends to grand network side or microminiature access point;
Also comprise: the key value distribution module is used for after described receiver module receives login request message from described microminiature access point, for new communicating to connect distributes second key value; First mapping block, the mapping relations of the Internet protocol address that is used for setting up described second key value and microminiature gateway and the Internet protocol address of first key value of the login request message that receives and described microminiature access point; Care-of Address is replaced module, is used for the Internet protocol address replacement of the Care-of Address of message that receiver module is received with described microminiature gateway; Key value is replaced module, be used for and replace the data that message after the resume module and receiver module receive through described Care-of Address, the mapping relations of the Internet protocol address of second key value of setting up according to described first mapping block and the Internet protocol address of microminiature gateway and first key value and microminiature access point, to replace with first key value from second key value in the message of described grand network side, to replace with second key value from first key value in the message of described microminiature access point, and data will after treatment be sent to described address replacement module; The authentication value generation module, replacing module with described key value replacement module and address is connected, be used to regenerate Message Digest 5 five authentication values, and message is after treatment sent to described address replacement module through the message after the described key value replacement resume module.
The embodiment of the invention also provides a kind of microminiature gateway, comprising:
Second receiver module is used to receive the message that is used to ask authentication that the microminiature access point sends, or being used to of receiving that the Access Network authentication authorized charging server sends the message that shows that authentication is passed through;
Second forwarding module, the described microminiature access point that is used for receiving sends is used to ask the message of authentication to send to described Access Network authentication authorized charging server, and the described Access Network authentication authorized charging server that maybe will receive sends is used to show that the message that authentication is passed through sends to described microminiature access point.
The embodiment of the invention also provides the system that communicates between a kind of microminiature cellular network and the grand network, comprising: at least one microminiature access point and at least one foregoing microminiature gateway,
Described microminiature access point is used for sending message to described microminiature gateway, or receives the message that described microminiature gateway sends;
Described microminiature gateway is used to receive from grand network side or from the message of microminiature access point, replace to the Internet protocol address of microminiature honeycomb gateway with what receive from the source internet protocol address in the message of microminiature access point, perhaps will replace to the Internet protocol address of microminiature access point from the purpose Internet protocol address in the message of grand network side, the message after will replacing through the address sends to described grand network side or described microminiature access point.
The embodiment of the invention converts the IP address of the FGW of this FAP access to by the source IP address in the message that FAP is sent, and the purpose IP address transition in the message that grand network side is sent becomes the address of corresponding FAP, the message that realizes FAP and grand network side is mutual, no matter there are what FAP to be linked into a FGW, for grand network side, all only present the IP address of a FGW or the IP address of several FGW, like this, grand network side only needs the information of stored record about this FGW, and need not to change configuration owing to the adding of a plurality of FAP, can save maintenance cost.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Figure 1 shows that HRPD network architecture schematic diagram in the prior art;
Figure 2 shows that microminiature cellular network architecture schematic diagram in the prior art;
Figure 3 shows that method embodiment one flow chart that communicates between microminiature cellular network of the present invention and the grand network;
Figure 4 shows that method embodiment two flow charts that communicate between microminiature cellular network of the present invention and the grand network;
Figure 5 shows that method embodiment three flow charts that communicate between microminiature cellular network of the present invention and the grand network;
Figure 6 shows that method embodiment four flow charts that communicate between microminiature cellular network of the present invention and the grand network;
Figure 7 shows that method embodiment five flow charts that communicate between microminiature cellular network of the present invention and the grand network;
Figure 8 shows that method embodiment six flow charts that communicate between microminiature cellular network of the present invention and the grand network;
Figure 9 shows that method embodiment seven flow charts that communicate between microminiature cellular network of the present invention and the grand network;
Figure 10 shows that method method embodiment eight flow charts that communicate between microminiature cellular network of the present invention and the grand network;
Figure 11 shows that microminiature gateway embodiment one structural representation of the present invention;
Figure 12 shows that microminiature gateway embodiment two structural representations of the present invention;
Figure 13 shows that microminiature gateway embodiment three structural representations of the present invention;
Figure 14 shows that microminiature gateway embodiment four structural representations of the present invention;
Figure 15 shows that microminiature gateway embodiment five structural representations of the present invention.
Embodiment
Be illustrated in figure 3 as method embodiment one flow chart that communicates between microminiature cellular network of the present invention and the grand network, specifically comprise:
Source IP address in step 101, the message that FAP is sent sends to grand network side after converting Internet protocol (Internet Protocol the is called for short IP) address of the FGW that described FAP inserts to;
Step 102, the message that becomes the IP address of FAP also to incite somebody to action after treatment the purpose IP address transition in the message of grand network side transmission send to described microminiature access point.
The embodiment of the invention one converts the IP address of the FGW of this FAP access to by the source IP address in the message that FAP is sent, and the purpose IP address transition in the message that grand network side is sent becomes the address of corresponding FAP, the message that realizes FAP and grand network side is mutual, no matter there are what FAP to be linked into a FGW, for grand network side, all only present the IP address of a FGW or the IP address of several FGW, like this, grand network side only needs the information of stored record about this FGW, and need not to change configuration (being the information of each FAP of stored record) owing to the adding of a plurality of FAP, can save maintenance cost.
Be illustrated in figure 4 as method embodiment two flow charts that communicate between microminiature cellular network of the present invention and the grand network, specifically comprise:
Purpose IP address transition in step 201, the message that grand network side is sent sends to described FAP after becoming the IP address of corresponding FAP;
Source IP address in step 202, the message that described FAP is sent converts the IP address of the FGW that described FAP inserts to, and message is after treatment sent to described grand network side.
Embodiment one is applicable to the situation of FAP side initiation message transmission, and embodiment two is applicable to the situation of grand network side initiation message transmission.
Because it is mutual to relate to the message of the FAP that carries out according to multiple interfaces and grand network side, below the branch situation describe carry out the concrete steps of message when mutual based on every kind of interface.
One, carries out FAP based on the A10/A11 interface and grand network side message is mutual
Be illustrated in figure 5 as method embodiment three flow charts that communicate between microminiature cellular network of the present invention and the grand network, shown in this embodiment three is to carry out the mutual idiographic flow of message between the PDSN of FAP and grand network side.Definition according to the A10/A11 interface, PDSN connects (being connected between microminiature cellular network side and the grand network side communicates to connect in the embodiment of the invention) with PCF IP address and A10 of key value (A10KEY) sign, in present embodiment three, for each connection, FGW can redistribute a key value (A10 KEY), in order to distinguish the key value (A10KEY) that FAP distributes and the key value (A10 KEY) of FGW distribution, the key value (A10 KEY) that distributes with first key value (FAP_A10_KEY) expression FAP in the present embodiment is with the key value (A10 KEY) of second key value (FGW_A10_KEY) expression FGW distribution.Embodiment three specifically comprises:
Step 301, FAP send the A11 login request message (A11-Registration Request) of FAP to FGW.Distribute first key value
Step 302, FGW receive the A11 login request message (A11-Registration Request) from FAP, if the process judgement is determined new A10 connection and is set up request message, then FGW distributes one second key value (FGW_A10_KEY) for this connects, if comprise first key value (FAP_A10_KEY) that a plurality of FAP distribute in this A11 login request message (A11-Registration Request), it is corresponding that then FGW need distribute first key value (FAP_A10_KEY) of a plurality of FAP distribution of a plurality of second key values (FGW_A10_KEY) and this; FGW replaces with the Care-of Address in the A11 login request message (A11-Registration Request) the IP address of FGW then; replace first key value (FAP_A10_KEY) that FAP distributes with second key value (FGW_A10_KEY); (the MD5 eap-message digest is used for the integrity protection of message to recomputate Message Digest 55 (the Message-Digest Algorithm 5) authentication value of A11 login request message (A11-Registration Request); after receiving terminal is received; can adopt the algorithm computation MD5 eap-message digest (according to message content and shared cipher key calculation MD5 eap-message digest) identical with transmitting terminal; compare with the eap-message digest in the message; if equate that description messages is not by malicious modification.Because of FGW has revised key value, Care-of Address, so should after modification is finished, recomputate the MD5 eap-message digest, be put in the corresponding information unit in the message, carry out follow-up message processing step again), the source address of the IP in this message bag is replaced with the IP address of FGW, then will be through handling the PSDN that message afterwards send to grand network side.
Step 303, PSDN send A11 registration reply message (A11-Registration Reply) and give FGW.
Step 304, FGW is after receiving this A11 registration reply message (A11-Registration Reply), second key value (FGW_A10_KEY) in this message is replaced to first key value (FAP_A10_KEY) that FAP distributes for this connection, recomputate the md5 authentication value of A11 registration reply message (A11-Registration Reply), the purpose IP address of the IP in this message bag is replaced with the IP address that sends A11 login request message (A11-Reistration Request) FAP (include international mobile subscriber identity (International Mobile Subscriber Identity in A11 login request message and the A11 registration reply message, be called for short IMSI), by this IMSI, FGW can be known the corresponding relation of A11 login request message and A11 registration reply message, thereby FGW can determine the purpose IP address with the bag of the IP in the A11 registration reply message and replace with the IP address of which FAP, and determine which first key value second key value in the A11 registration reply message is replaced with); If indication PDSN accepts to connect and sets up in this A11 registration reply message (A11-Registration Reply), then also need to set up the mapping relations of the IP address of the IP address of second key value (FGW_A10_KEY) and FGW and first key value (FAP_A10_KEY) and FAP, the i.e. combination of the IP address of one first key value (FAP_A10_KEY) and FAP, the combination of the IP address of corresponding one second key value (FGW_A10_KEY) and FGW is used for carrying out data interaction between follow-up FAP and the PDAN; FGW sends to corresponding FAP with treated A11 registration reply message (A11-Registration Reply) then.
For interactive messages (not shown among Fig. 3) between follow-up FAP and the grand network also need similarly to replace A10_KEY, replace FAP the IP address, replace the Care-of Address of FAP in the PDSN message, regenerate operation such as md5 authentication value.
Finish FAP and the interacting message between the PDSN based on the A11 interface and set up after A10 is connected, FAP and PDSN begin to carry out data interaction.Specifically comprise the steps:
Step 305, FAP send A10 generic route encapsulation (Generic Routing Encapsulation is called for short GRE) bag (A10 GRE Packet) to FGW.
Step 306, FGW are receiving this A10 GRE bag (A10 GRE Packet) afterwards, mapping relations according to the IP address of the IP address of second key value of setting up in the step 304 (FGW_A10_KEY) and FGW and first key value (FAP_A10_KEY) and FAP, source IP address in this A10GRE bag (A10 GRE Packet) is replaced with the IP address of corresponding FGW, first key value (FAP_A10_KEY) replaces with corresponding second key value (FGW_A10_KEY), and FGW will send to PDSN through the bag of the A10 GRE after handling (A10 GRE Packet) then.
Step 307, PDSN send A10 GRE bag (A10 GRE Packet) to FGW.
The A10 GRE that step 308, FGW receive the PDSN transmission wraps (A10 GRE Packet) afterwards, mapping relations according to the IP address of the IP address of second key value of setting up in the step 304 (FGW_A10_KEY) and FGW and first key value (FAP_A10_KEY) and FAP, this A10 GRE is wrapped the IP address that (A10 GRE Packet) middle purpose IP address replaces with corresponding FAP, and second key value (FGW_A10_KEY) replaces with corresponding first key value (FAP_A10_KEY); FGW will send to FAP through the bag of the A10 GRE after handling (A10 GRE Packet) then.
The embodiment of the invention three replaces with the IP address of FGW by the source IP address in the message that FAP is sent to PDSN, FAP is replaced with second key value (FGW_A10_KEY) that FGW distributes for connecting first key value (FAP_A10_KEY) that distributes, PDSN is sent to the purpose IP address in the message of FAP, replace with the IP address of corresponding FAP, second key value (FGW_A10_KEY) is replaced with first key value (FAP_A10_KEY), like this, the IP address that for PDSN, only presents FGW, need not to change configuration information, can realize the interacting message between FAP and the PDSN simultaneously again.
Two, the A13/A16 interface carries out FAP and grand network side interacting message
The clean culture that accesses terminal sign (Unicast Access Terminal Identifier, be called for short UATI) be that FAP is the sign that (Access Terminal) distribute that accesses terminal, two kinds of forms of UATI128 and UATI32 are arranged, high 104 UATI104 of UATI are replaced to colour coding (Color Code), the length of colour coding is 8, be that colour coding and UATI024 have formed UATI32, based on the sign of the AT in the message of A16 interface UATI32, based on the sign of the AT in the message of A13 interface UATI128.
Because a FGW has a plurality of FAP and inserts, the UATI that each FAP distributes may be identical.When carrying out FAP and grand network side message mutual based on the A13/A16 interface, need set up the corresponding relation of UATI and FAP.The uniqueness of the UATI that distributes for each FAP that guarantees under the FGW splits into two parts with UATI024, i.e. FAP_Index and UATI_FAP, and FAP_Index is the high m bit of UATI024, expression FAP index is unique in subnet; UATI_FAP is the low n bit of UATI, and is unique in FAP, distribute by FAP, and n=24-m wherein, m and n are natural number.When FAP started, FGW gave FAP with sign of the subnet under the FAP (UATI104 and colour coding) and FAP index configurations, used when distributing UATI for FAP to AT, so just can guarantee that the UATI that each FAP distributes is unique.
Figure 6 shows that method embodiment four flow charts that communicate between microminiature cellular network of the present invention and the grand network, the activated state handoff procedure of the AN that is FAP in the grand network shown in this embodiment four specifically comprises:
Step 401, FAP send A16 conversation shift request message (A16-Session TransferRequest) to FGW.FAP can determine a target AN, and purpose IP address is the IP address of target AN in this A16 conversation shift request message (A16-Session Transfer Request), and the destination slogan is the A16 well-known port number.
Step 402, FGW write down AT-ID in this message and the corresponding relation of FAP after receiving the A16 conversation shift request message (A16-SessionTransfer Request) that FAP sends; This AT-ID is an information unit in the A16 conversation shift request message, is that FAP is the sign that AT distributes, and all can carry this AT-ID in the interactive messages between follow-up FAP and AN, and this AT-ID is that length is the UATI of 32 bits; FGW replaces with the IP address of FGW with the source IP address in the A16 conversation shift request message (A16-Session Transfer Request) then, and the A16 conversation shift request message (A16-Session Transfer Request) that will replace then after handling sends to AN.
Step 403, AN send A16 conversation shift response message (A16-Session TransferResponse) to FGW.
After step 404, FGW receive the A16 conversation shift response message (A16-SessionTransfer Response) of AN transmission, according to the AT-ID of record and the corresponding relation of FAP in the AT-ID query steps 402 in this message, find corresponding FAP, replace purpose IP address in this message with the IP address of corresponding FAP then, and A16 conversation shift response message (A16-Session Transfer Response) is after treatment sent to corresponding FAP.
Step 405, FAP send the A16 conversation shift and finish message (A16-Session TransferComplete) to FGW.
Step 406, FGW are after the A16 conversation shift of receiving the FAP transmission is finished message (A16-SessionTransfer Complete), the source IP address of replacing in this message is the IP address of FGW, and the A16 conversation shift after will handling through replacement is then finished message (A16-Session Transfer Complete) and sent to AN.
Step 407, AN send the A16 session and discharge Indication message (A16-Session ReleaseIndication) to FGW.
Step 408, FGW are after receiving the A16 session release Indication message (A16-SessionRelease Indication) that AN sends, according to the AT-ID of record and the corresponding relation of FAP in the AT-ID query steps 402 in this message, find corresponding FAP, replace purpose IP address in this message with the IP address of corresponding FAP then, and will A16 session after treatment discharge Indication message (A16-Session Release Indication) and send to corresponding FAP.
Step 409, FAP send the A16 session and discharge indication acknowledge message (A16-Session ReleaseIndication ACK) to FGW.
Step 410, FGW is after receiving the A16 session release indication acknowledge message (A16-Session Release Indication ACK) that FAP sends, if the AT-ID in this message is not UATI (the Long Code Mask UATI that generates Long Code Mask, be called for short LCM_UATI) (AT-ID in this message is not that LCM_UATI shows that the follow-up message that do not have sends to this FAP), then in the FGW release steps 402 record AT-ID and the corresponding relation between the FAP, if the AT-ID in this message is LCM_UATI (AT-ID in this message is that LCM_UATI shows that the follow-up message that also has sends to this FAP), the then not AT-ID of record and the corresponding relation between the FAP in the release steps 402; Because A13 keep-alive request message in the subsequent step (A13-Keep Alive Request), A13 keep-alive response message (A13-Keep Alive Response), A13 resource release request message (A13-Resource ReleaseRequest) and A13 resource discharge the FAP that response message (A13-Resource Release Response) only sends to the LCM_UATI correspondence; FGW discharges the IP address that the source IP address of indicating in the acknowledge message (A16-Session Release Indication ACK) replaces with FGW with 16 sessions then, and message is after treatment sent to AN.
Step 411, AN send A13 keep-alive request message (A13-Keep Alive Request) to FGW.
Step 412, FGW are after receiving the A13 keep-alive request message (A13-Keep AliveRequest) that AN sends; according to the AT-ID of record and the corresponding relation of FAP in the AT-ID query steps 402 in this message; find corresponding FAP; replace purpose IP address in this message with the IP address of corresponding FAP then, and A13 keep-alive request message (A13-Keep AliveRequest) is after treatment sent to corresponding FAP.
Step 413, FAP send A13 keep-alive response message (A13-Keep Alive Response) to FGW.
Step 414, FGW are after receiving the A13 keep-alive response message (A13-Keep AliveResponse) that FAP sends; the source IP address of replacing in this message is the IP address of FGW, will send to AN through the A13 keep-alive response message of replacing after handling (A13-Keep Alive Response) then.
Step 415, AN send A13 resource release request message (A13-Resource Release Request) to FGW.
Step 416, FGW in the A13 resource release request message (A13-ResourceRelease Request) of receiving the AN transmission afterwards, obtain AT-ID (FGW need dispose the corresponding relation of UATI104 and colour coding) according to UATI128 in this message, then according to the AT-ID of record and the corresponding relation of FAP in the AT-ID query steps 402, find corresponding FAP, replace purpose IP address in this message with the IP address of corresponding FAP then, and A13 resource release request message (A13-Resource Release Request) is after treatment sent to corresponding FAP.
Step 417, FAP send the A13 resource and discharge response message (A13-Resource ReleaseResponse) to FGW.
Step 418, FGW are after the A13 resource that receives the FAP transmission discharges response message (A13-Resource Release Response), the source IP address of replacing in this message is the IP address of FGW, A13 resource after will handling through replacement then discharges response message, and (A13-ResourceRelease Response sends to AN, and discharges the corresponding relation of AT-ID and FAP.
In the embodiment of the invention four, at first set up the corresponding relation between AT-ID and the FAP, for message from FAP, source IP address in the message is replaced with the IP address of FGW, for message from AN, based on the AT-ID in the message, by the corresponding relation between inquiry AT-ID and the FAP, find a unique FAP, will replace with the IP address of corresponding FAP from the purpose IP in the message of AN then, so just realized the interacting message between AN and the FAP, what present for AN is the IP address of FGW, no matter have what FAP, the network element among the AN all to need not to change configuration, reduced maintenance cost.
Figure 7 shows that method embodiment five flow charts that communicate between microminiature cellular network of the present invention and the grand network, shown in this embodiment five is the activated state handoff procedure of the FAP that arrives of AN, switching is initiated by AN, FGW can set up the corresponding relation between AT-ID and the FAP after determining target FAP, for searching use between FAP and the AN during interacting message, for message from AN, just with the purpose IP address in the message, relation by inquiry AT-ID and FAP, replace with message in the IP address of the corresponding FAP of AT-ID, for message from FAP, FGW replaces with the IP address of FGW with the source IP address in the message, so just can realize the interacting message between FAP and the AN.Embodiment five is with embodiment four differences: among the embodiment five; AN sends to and does not carry the AT-ID that AN distributes in the A13 keep-alive response message (A13-Keep Alive Response) of FGW in the step 513; but carry the UATI128 that FAP distributes; so after FGW receives the message of FAP transmission in step 512; need set up UATI128 in the message and the corresponding relation of FAP, use when determining target FAP for FGW in the step 513.
Three, carry out FAP and grand network side interacting message based on the A13 interface
Be illustrated in figure 8 as method embodiment six flow charts that communicate between microminiature cellular network of the present invention and the grand network, the conversation shift handoff procedure of the AN that is FAP in the grand network shown in this embodiment six specifically comprises:
Step 601, AN send A13 Information Request (A13-Session Information Request) to FGW.
Step 602, FGW are after the A13 Information Request (A13-SessionInformation Request) that receives the AN transmission, according to the sign of the subnet in this message (UATI104), FAP by the index search correspondence of subnet sign and FAP, purpose IP address in this message is replaced with the IP address of corresponding FAP, and will send to FAP through replacing the message of handling.
Step 603, FAP send A13 session information response message (A13-Session InformationResponse) to FGW.
Step 604, FGW replace with the IP address of FGW with the source IP address in this message, and will send to AN through the message of replacing after handling after the A13 session information response message (A13-SessionInformation Response) that receives the FAP transmission.
Step 605, AN send A13 session information acknowledge message (A13-Session InformationConfirmation) to FGW.
Step 606, FGW are after receiving the A13 session information acknowledge message (A13-SessionInformation Confirmation) that AN sends, according to the sign of the subnet in this message (UATI104), FAP by the index search correspondence of subnet sign and FAP, purpose IP address in this message is replaced with the IP address of corresponding FAP, and will send to FAP through replacing the message of handling.
In the embodiment of the invention six, conversation shift is initiated by AN, FGW finds the IP address of corresponding FAP according to subnet sign (UATI104), replace with the IP address of the FAP of the correspondence that finds purpose IP address in the message that AN is sended over, for message from FAP, the source IP address in the message is replaced with FGW, so just can realize the conversation shift of FAP to AN, change configuration and need not the network side network element, and saved the network operation cost.
In embodiment six; because conversation shift not necessarily; so in the step 602; FGW is after the A13 Information Request (A13-Session Information Request) that receives the AN transmission; can send A13 session information refuse information (A13-Session Information Reject) to AN; trigger AN and AT consulting session again, the session on the FAP can discharge by the session keepalive mechanism of standard.
Be illustrated in figure 9 as method embodiment seven flow charts that communicate between microminiature cellular network of the present invention and the grand network, shown in this embodiment seven be AN in the grand network to the conversation shift handoff procedure of FAP, specifically comprise:
Step 701, FAP send A13 Information Request (A13-Session Information Request) to FGW.
Step 702, FGW are after the A13 Information Request (A13-SessionInformation Request) that receives the FAP transmission, according to the UATI128 in this message, set up the corresponding relation of UATI128 and FAP, source IP address in this message is replaced with the IP address of FGW, and will send to AN through replacing the message of handling.
Step 703, AN send A13 session information response message (A13-Session InformationResponse) to FGW.
Step 704, FGW are after the A13 session information response message (A13-SessionInformation Response) that receives the AN transmission, according to the UATI128 in this message, the UATI128 that sets up in the finding step 702 finds corresponding FAP with the corresponding relation of FAP, purpose IP address in this message is replaced with the IP address of corresponding FAP, and will send to corresponding FAP through the message of replacing after handling.
Step 705, FAP send A13 session information acknowledge message (A13-Session InformationConfirmation) to FGW.
Step 706, FGW replace with the IP address of FGW with the source IP address in this message, and will send to AN through replacing the message of handling after receiving the A13 session information acknowledge message (A13-SessionInformation Confirmation) that FAP sends.
In the embodiment of the invention seven, conversation shift is initiated by FAP, FGW sets up the corresponding relation of UATI128 and FAP according to the UATI128 in the message of FAP transmission, use for interactive messages between follow-up FAP and the AN, for message from FAP, FGW replaces the source IP address in the message with the IP address of FGW, for message from AN, FGW is by the corresponding relation of inquiry UATI128 and FAP, find corresponding FAP, the conversation shift of AN to FAP so just can be realized in the purpose IP address in the message that the address replacement AN of the corresponding FAP that usefulness finds sends, change configuration and need not the network side network element, and saved the network operation cost.
Four, carry out FAP and grand network side interacting message based on the A12 interface
FAP carries out authentication by the A12 interface to AN-AAA, FGW can be acted on behalf of AN-AAA as one, and the IP address setting with AN-AAA in the message that FAP sends is the IP address of FGW, the interacting message between the AN-AAA of realization FAP and grand network side.
Be method for message interaction embodiment eight flow charts between microminiature cellular network access point of the present invention and the grand network as shown in figure 10, the authentication process of the AN-AAA that is FAP in the grand network shown in this embodiment eight specifically comprises:
Step 801, FAP send and are used to ask the A12 of authentication to insert request message (A12 AccessRequest) to FGW.
Step 802, FGW give corresponding AN-AAA according to " Identifier " field that this A12 inserts in request message (A12 Access Request) with this forwards after receiving the A12 access request message (A12 AccessRequest) that FAP sends.
Step 803, AN-AAA are used to show that to the FGW transmission A12 that authentication is passed through accepts message (A12 Access Accept) after finishing the access authentication processing of AT.
Step 804, FGW receive after A12 accepts message (A12 Access Accept), accept " Identifier " field in the message according to A12, and this message is sent to corresponding FAP.
The embodiment of the invention eight is by acting on behalf of AN-AAA with FGW as one, with the purpose IP address setting in the message of FAP transmission is the IP address of FGW, FGW will arrive AN-AAA from the forwards of FAP, to arrive FAP from the forwards of AN-AAA, so just can realize the authentication of FAP to AN-AAA, change configuration and need not grand network side network element, and saved the network operation cost.
For microminiature gateway embodiment one structural representation of the present invention, this gateway specifically comprises as shown in figure 11: receiver module 11 is used to receive from grand network side or from the message of microminiature access point; Module 12 is replaced in the address, be used for to replace to the IP address of microminiature honeycomb gateway from the source IP address of the message of microminiature access point, perhaps will replace to the IP address of microminiature access point from the purpose IP address in the message of grand network side; Sending module 13, the message that is used for carrying out after replace the address through described address replacement module 12 sends to grand network side or microminiature access point.
Be microminiature gateway embodiment two structural representations of the present invention as shown in figure 12, on the basis of structure shown in Figure 11, present embodiment two microminiature gateways also comprise: key value distribution module 18, be connected with described receiver module 11, be used for after described receiver module 11 receives login request message from described microminiature access point, for new communicating to connect distributes second key value; First mapping block 14, replace module 12 with described key value distribution module 18, address and receiver module 11 is connected, be used for setting up the IP address of described second key value (FGW_A10_KEY) and FGW and the mapping relations of the IP address of first key value (FAP_A10_KEY) of the login request message that receives and FAP; Care-of Address is replaced module 17, is connected with described first mapping block 14 and receiver module 11, is used for the IP address replacement of the Care-of Address of message that receiver module 11 is received with described microminiature gateway; Key value is replaced module 16, replace module 17 with described Care-of Address, first mapping block 14, the address replaces module 12 and receiver module 11 connects, the data that message after being used for handling through described Care-of Address replacement module 17 and receiver module receive, the mapping relations of the IP address of setting up according to described first mapping block 14 of setting up second key value (FGW_A10_KEY) and FGW and the IP address of first key value (FAP_A10_KEY) and FAP, to replace with first key value from second key value in the message of described grand network side, to replace with second key value from first key value in the message of described microminiature access point, and data will after treatment be sent to described address replacement module 12; Authentication value generation module 15, replacing module 12 with described key value replacement module 16 and address is connected, be used to regenerate Message Digest 5 five authentication values of replacing the message after module 16 is handled through described key value, and message is after treatment sent to described address replacement module 12.
Wherein, key value replacement module 16 can comprise:
First key value is replaced module 161, be connected with first mapping block 14 and receiver module 11, be used for data that receiver module 11 is received, mapping relations according to the Internet protocol address of the Internet protocol address of second key value of described first mapping mould 14 foundation and microminiature gateway and first key value and microminiature access point, to replace with first key value from second key value in the data of described grand network side, will replace with second key value from first key value in the data of described microminiature access point;
Second key value is replaced module 162, with described first mapping block 14, Care-of Address replaces module 17 and authentication value generation module 15 connects, message after being used for to handle through Care-of Address replacement module 17, the mapping relations of the Internet protocol address of second key value of setting up according to first mapping block 14 and the Internet protocol address of microminiature gateway and first key value and microminiature access point, to replace with first key value from second key value in the message of described grand network side, to replace with second key value from first key value in the message of described microminiature access point, and message will after treatment be sent to described authentication value generation module.
Wherein, replacement module 12 in address can comprise:
Module 121 is replaced in first address, replace module 161 with first key value, first mapping block 14 and sending module 13 connect, data after being used for to handle through first key value replacement module 161, the mapping relations of the Internet protocol address of second key value of setting up according to first mapping block 14 and the Internet protocol address of microminiature gateway and first key value and microminiature access point, to replace with the Internet protocol address of described microminiature access point from the purpose Internet protocol address in the data of described grand network side, to replace with the Internet protocol address of described microminiature gateway from the source internet protocol address in the data of described microminiature access point, and data will after treatment be sent to sending module 13;
Module 122 is replaced in second address, with described authentication value generation module 15, first mapping block 14 and sending module 13 connect, message after being used for to handle through authentication value generation module 15, the mapping relations of the Internet protocol address of second key value of setting up according to first mapping block 14 and the Internet protocol address of microminiature gateway and first key value and microminiature access point, to replace with the Internet protocol address of described microminiature access point from the purpose Internet protocol address in the message of described grand network side, to replace with the Internet protocol address of described microminiature gateway from the source internet protocol address in the message of described microminiature access point, and message will after treatment be sent to sending module 13.
Be microminiature gateway embodiment three structural representations of the present invention as shown in figure 13, on the basis of structure shown in Figure 11, the microminiature gateway also comprises in the present embodiment three: second mapping block 20, be used for the clean culture sign that accesses terminal that receives according to described receiver module 11, set up the corresponding relation of described access terminal clean culture sign and described microminiature access point from the message of described microminiature access point or grand network side.
Be microminiature gateway embodiment four structural representations of the present invention as shown in figure 14, on the basis of structure shown in Figure 11, the microminiature gateway also comprises in the present embodiment four: index configurations module 21, be used to store microminiature access point affiliated subnet sign and index configurations, and subnet sign under the microminiature access point of storage and index configurations sent to described microminiature access point, and be used for described address and replace module 12 and inquire about.
Be microminiature gateway embodiment five structural representations of the present invention as shown in figure 15, act on behalf of AN-AAA by the FGW conduct if desired, then the structure of FGW as shown in figure 15, this FGW comprises: second receiver module 31, be used to receive the message that is used to ask authentication that the microminiature access point sends, or being used to of receiving that the Access Network authentication authorized charging server sends the message that shows that authentication is passed through; Second forwarding module 32, be used for will receive microminiature access point being used to of sending ask the message of authentication to send to described Access Network authentication authorized charging server, being used to of maybe the Access Network authentication authorized charging server that receives being sent shows that the message that authentication is passed through sends to described microminiature access point.
The embodiment of the invention also provides the system that communicates between a kind of microminiature cellular network and the grand network, and this system can comprise at least one FAP and at least one FGW, and wherein FGW can be the FGW as shown in Figure 11,12,13,14 or 15.
The embodiment of the invention converts the IP address of the FGW of this FAP access to by the source IP address in the message that FAP is sent, and the purpose IP address transition in the message that grand network side is sent becomes the address of corresponding FAP, the message that realizes FAP and grand network side is mutual, no matter there are what FAP to be linked into a FGW, the IP address that all only presents a FGW for grand network side is (if a plurality of FAP is linked into different FGW respectively, the IP address that then concerning grand network side, presents several FGW), like this, grand network side only needs the information of stored record about this FGW, and need not to change configuration owing to the adding of a plurality of FAP, can save maintenance cost.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (14)

1. the method that communicates between a microminiature cellular network and the grand network is characterized in that, comprising:
Send to grand network side after will replacing to the Internet protocol address of microminiature gateway from the source internet protocol address in the message of microminiature access point; And/or
Send to described microminiature access point after will replacing to the Internet protocol address of microminiature access point from the purpose Internet protocol address in the message of grand network side;
The Internet protocol address that will replace to the microminiature gateway from the source internet protocol address in the message of microminiature access point specifically comprises:
Be one and connect distribution second key value;
Set up the mapping relations of the Internet protocol address of the Internet protocol address of described second key value and microminiature gateway and first key value and microminiature access point, described first key value is that described microminiature access point is that described connection distributes;
To replace with the Internet protocol address of described microminiature gateway from the Care-of Address in the message of described microminiature access point;
According to the mapping relations of the Internet protocol address of the Internet protocol address of described second key value and microminiature gateway and first key value and microminiature access point, will replace with second key value from first key value in the message of described microminiature access point;
Regenerate Message Digest 5 five authentication values through the message after Care-of Address replacement and the key value replacement;
According to the mapping relations of the Internet protocol address of the Internet protocol address of described second key value and microminiature gateway and first key value and microminiature access point, will replace with the Internet protocol address of described microminiature gateway from the source internet protocol address in the message that has regenerated Message Digest 5 five authentication values.
2. the method that communicates between microminiature cellular network according to claim 1 and the grand network is characterized in that, the Internet protocol address that will replace to the microminiature access point from the purpose Internet protocol address in the message of grand network side specifically comprises:
According to the mapping relations of the Internet protocol address of the Internet protocol address of described second key value and microminiature gateway and first key value and microminiature access point, will replace with first key value from second key value in the message of described grand network side;
Regenerate Message Digest 5 five authentication values through the message after the key value replacement;
According to the mapping relations of the Internet protocol address of the Internet protocol address of described second key value and microminiature gateway and first key value and microminiature access point, will use with the Internet protocol address of the corresponding described microminiature access point of described first key value from the purpose Internet protocol address in the message of described grand network side and replace.
3. the method that communicates between microminiature cellular network according to claim 1 and the grand network is characterized in that, the Internet protocol address that will replace to the microminiature gateway from the source internet protocol address in the data of microminiature access point specifically comprises:
Be one and connect distribution second key value;
Set up the mapping relations of the Internet protocol address of the Internet protocol address of described second key value and microminiature gateway and first key value and microminiature access point, described first key value is that described microminiature access point is that described connection distributes;
According to the mapping relations of the Internet protocol address of the Internet protocol address of described second key value and microminiature gateway and first key value and microminiature access point, will replace with second key value from first key value in the data of described microminiature access point;
According to the mapping relations of the Internet protocol address of the Internet protocol address of described second key value and microminiature gateway and first key value and microminiature access point, will replace with the Internet protocol address of described microminiature gateway from the source internet protocol address in the data of described microminiature access point.
4. the method that communicates between microminiature cellular network according to claim 3 and the grand network is characterized in that, the Internet protocol address that will replace to the microminiature access point from the purpose Internet protocol address in the data of grand network side specifically comprises:
According to the mapping relations of the Internet protocol address of the Internet protocol address of described second key value and microminiature gateway and first key value and microminiature access point, will replace with first key value from second key value in the data of described grand network side;
According to the mapping relations of the Internet protocol address of the Internet protocol address of described second key value and microminiature gateway and first key value and microminiature access point, will replace with the Internet protocol address of described microminiature gateway from the purpose Internet protocol address in the data of described grand network side.
5. according to the method that communicates between described microminiature cellular network of claim 1 and the grand network, it is characterized in that, also comprise:
Extraction is set up the corresponding relation of described access terminal clean culture sign and described microminiature access point from the clean culture sign that accesses terminal in the message of described microminiature access point or grand network side.
6. the method that communicates between microminiature cellular network according to claim 5 and the grand network, it is characterized in that, will replace to from the purpose Internet protocol address in the message of grand network side and send to described microminiature access point after the Internet protocol address of microminiature access point and be specially:
After receiving message from grand network side, according to the clean culture sign that accesses terminal in this message, by inquiring about the corresponding relation of described access terminal clean culture sign and the described microminiature access point set up, find with described and identify corresponding described microminiature access point from the clean culture that accesses terminal in the message of grand network side, Internet protocol address replacement with this described microminiature access point that finds is described from the purpose Internet protocol address in the message of grand network side, and message is after treatment sent to described microminiature access point.
7. the method that communicates between microminiature cellular network according to claim 1 and the grand network is characterized in that, also comprises:
Subnet under microminiature access point sign and index configurations are sent to described microminiature access point, set up the corresponding relation of described subnet sign and index configurations and described microminiature access point.
8. the method that communicates between microminiature cellular network according to claim 7 and the grand network, it is characterized in that, send to described microminiature access point after the described Internet protocol address that will replace to the microminiature access point and be specially from the purpose Internet protocol address in the message of grand network side:
After the message that receives from grand network side, identify according to the subnet in the message, in conjunction with described index configurations, corresponding relation according to the described subnet sign of having set up and index configurations and described microminiature access point, find with this message in subnet sign and the corresponding microminiature access point of index configurations, with described from the purpose Internet protocol address in the message of grand network side with find with this message in subnet sign and the Internet protocol address of the corresponding microminiature access point of index configurations replace, and the subnet that will the message from grand network side after treatment sends in described that find and this message identifies and the corresponding microminiature access point of index configurations.
9. a microminiature gateway is characterized in that, comprising:
Receiver module is used to receive from grand network side or from the message of microminiature access point;
Module is replaced in the address, be used for the source internet protocol address from the message of microminiature access point that described receiver module receives is replaced to the Internet protocol address of microminiature gateway, perhaps will replace to the Internet protocol address of microminiature access point from the purpose Internet protocol address in the message of grand network side;
Sending module, the message that is used for carrying out after replace the address through described address replacement module sends to grand network side or microminiature access point;
Also comprise:
The key value distribution module is used for after described receiver module receives login request message from described microminiature access point, for new communicating to connect distributes second key value;
First mapping block, the mapping relations of the Internet protocol address that is used for setting up described second key value and microminiature gateway and the Internet protocol address of first key value of the login request message that receives and described microminiature access point;
Care-of Address is replaced module, is used for the Internet protocol address replacement of the Care-of Address of message that receiver module is received with described microminiature gateway;
Key value is replaced module, be used for and replace the data that message after the resume module and receiver module receive through described Care-of Address, the mapping relations of the Internet protocol address of second key value of setting up according to described first mapping block and the Internet protocol address of microminiature gateway and first key value and microminiature access point, to replace with first key value from second key value in the message of described grand network side, to replace with second key value from first key value in the message of described microminiature access point, and data will after treatment be sent to described address replacement module;
The authentication value generation module, replacing module with described key value replacement module and address is connected, be used to regenerate Message Digest 5 five authentication values, and message is after treatment sent to described address replacement module through the message after the described key value replacement resume module.
10. microminiature gateway according to claim 9 is characterized in that, described key value is replaced module and comprised:
First key value is replaced module, be used for data that described receiver module is received, the mapping relations of the Internet protocol address of second key value of setting up according to described first mapping block and the Internet protocol address of microminiature gateway and first key value and microminiature access point, to replace with first key value from second key value in the data of described grand network side, will replace with second key value from first key value in the data of described microminiature access point;
Second key value is replaced module, being used for will be through the message after the described Care-of Address replacement resume module, the mapping relations of the Internet protocol address of second key value of setting up according to described first mapping block and the Internet protocol address of microminiature gateway and first key value and microminiature access point, to replace with first key value from second key value in the message of described grand network side, to replace with second key value from first key value in the message of described microminiature access point, and message will after treatment be sent to described authentication value generation module.
11. microminiature gateway according to claim 10 is characterized in that, described address is replaced module and is comprised:
Module is replaced in first address, being used for will be through the data after described first key value replacement resume module, the mapping relations of the Internet protocol address of second key value of setting up according to described first mapping block and the Internet protocol address of microminiature gateway and first key value and microminiature access point, to replace with the Internet protocol address of described microminiature access point from the purpose Internet protocol address in the data of described grand network side, to replace with the Internet protocol address of described microminiature gateway from the source internet protocol address in the data of described microminiature access point, and data will after treatment be sent to described sending module;
Module is replaced in second address, message after being used for to handle through described authentication value generation module, the mapping relations of the Internet protocol address of second key value of setting up according to described first mapping block and the Internet protocol address of microminiature gateway and first key value and microminiature access point, to replace with the Internet protocol address of described microminiature access point from the purpose Internet protocol address in the message of described grand network side, to replace with the Internet protocol address of described microminiature gateway from the source internet protocol address in the message of described microminiature access point, and message will after treatment be sent to described sending module.
12. microminiature gateway according to claim 9 is characterized in that, also comprises:
Second mapping block is used for the clean culture sign that accesses terminal from the message of described microminiature access point or grand network side that receives according to described receiver module, sets up the corresponding relation of described access terminal clean culture sign and described microminiature access point.
13. microminiature gateway according to claim 9 is characterized in that, also comprises:
The index configurations module is used to store subnet sign and index configurations under the microminiature access point, and sign of the subnet under the microminiature access point of storage and index configurations are sent to described microminiature access point, and is used for described address and replaces module and inquire about.
14. the system that communicates between a microminiature cellular network and the grand network is characterized in that, comprising: at least one microminiature access point and at least one be as the described microminiature gateway of arbitrary claim among the claim 9-13,
Described microminiature access point is used for sending message to described microminiature gateway, or receives the message that described microminiature gateway sends;
Described microminiature gateway is used to receive from grand network side or from the message of microminiature access point, replace to the Internet protocol address of microminiature honeycomb gateway with what receive from the source internet protocol address in the message of microminiature access point, perhaps will replace to the Internet protocol address of microminiature access point from the purpose Internet protocol address in the message of grand network side, the message after will replacing through the address sends to described grand network side or described microminiature access point.
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