CN103781070B - 3G routers authenticate the method and apparatus with establishing data connection - Google Patents
3G routers authenticate the method and apparatus with establishing data connection Download PDFInfo
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Abstract
The present invention provides a kind of method and apparatus of 3G routers authentication with establishing data connection, and wherein method includes：The checking information that mobile terminal is sent by wireless connection is received, the checking information is read by the embedded software of the mobile terminal；GMM is established with packet switching network to be connected, and the mobile terminal is authenticated according to the checking information during GMM connections are established；Established described with packet switching network after GMM is connected, SM is established with the packet switching network to be connected, after SM connections are successfully established, IP address is distributed for the mobile terminal, so that the mobile terminal establishes data connection according to the IP address and the packet switching network.The present invention can solve the problems, such as to need to set SIM card reader to cause in prior art 3G routers.
Description
Technical field
The present invention relates to mobile communication technology, more particularly to a kind of 3G routers authentication with establish data connection method and
Equipment.
Background technology
The wireless router used at present is that product technology is locked in radio area network, is spreading range, is occurred
3G (Third Generation) Moblie（3rd-generation, abbreviation 3G）Router.
Occur the 3G routers using 3G as data transfer in application environment, it is 3G module built in 3G routers, wireless
Local area network（Wireless Local Area Networks, abbreviation WLAN）Module, control chip, client identification card
（Subscriber Identity Module, abbreviation SIM）/ Global Subscriber identification card（Universal Subscriber
Identity Module, abbreviation USIM）Card reader.3G data link can be established by SIM/USIM card readers, is substantially flowed
Journey includes：SIM/USIM card readers read user information from the SIM/USIM cards or 3G data cards that user buys, according to
User information, controls 3G chips to establish 3G data link by control chip, such as controls the attachment of 3G packet data signals, packet count
According to agreement（Packet Data Protocol, abbreviation PDP）The management of context, so as to establish user's online high-speed channel.But
It is that this mode needs user separately to buy data SIM/USIM cards or 3G data cards, and it also requires safeguarding such router
Middle SIM/USIM cards or 3G data card expense.
The content of the invention
The present invention provides a kind of method and apparatus of 3G routers authentication with establishing data connection, to solve prior art 3G
The problem of needing to set SIM card reader to cause in router.
On the one hand, there is provided a kind of method of 3G routers authentication with establishing data connection, including：
The checking information that mobile terminal is sent by wireless connection is received, the checking information is by the mobile terminal
Put software reading；
GMM is established with packet switching network to be connected, according to the checking information to described during GMM connections are established
Mobile terminal is authenticated；
Established described with packet switching network after GMM is connected, establish SM with the packet switching network and be connected, into
After work(establishes SM connections, for the mobile terminal distribute IP address, so as to the mobile terminal according to the IP address with it is described
Packet switching network establishes data connection.
On the other hand, there is provided a kind of method of 3G routers authentication with establishing data connection, including：
The checking information of the mobile terminal is read by the embedded software of mobile terminal；
The checking information is sent to 3G routers by wireless connection, so that the 3G routers are according to the verification
Information authenticates the mobile terminal, is attached with packet switching network；
The 3G routers are received after to mobile terminal authentication success, the packet switching network of forwarding is described
The network parameter of mobile terminal distribution, and cure the network parameter；
The IP address that the 3G routers are mobile terminal distribution is received, and according to the IP address and the packet
Switching network establishes data connection.
On the other hand, there is provided a kind of 3G routers, including：
First receiving module, the checking information sent for receiving mobile terminal by wireless connection, the checking information
Read by the embedded software of the mobile terminal；
First link setup module, is connected for establishing GMM with packet switching network；
Authentication module, for being carried out during GMM connections are established according to the checking information to the mobile terminal
Authentication；
Second link setup module, for being established described with packet switching network after GMM is connected, with the packet switching network
Network establishes SM connections, after SM connections are successfully established, for the mobile terminal distribute IP address, so as to the mobile terminal according to
The IP address establishes data connection with the packet switching network.
On the other hand, there is provided a kind of mobile terminal, including：
Embedded software, for reading the checking information of mobile terminal；
First sending module, for the checking information to be sent to 3G routers by wireless connection, so as to the 3G
Router authenticates the mobile terminal according to the checking information, is attached with packet switching network；
First receiving module, for receiving the 3G routers after to mobile terminal authentication success, the institute of forwarding
State the packet switching network and be the network parameter of mobile terminal distribution, and cure the network parameter；
Second receiving module, for receiving the IP address that the 3G routers are mobile terminal distribution；
First link setup module, for establishing data connection according to the IP address and the packet switching network.
As shown from the above technical solution, in the embodiment of the present invention, 3G routers using mobile terminal checking information and
The GMM established with packet switching network be connected mobile terminal is authenticated, it may not be necessary to user use SIM/UMSI cards or
3G data cards, 3G routers are interior without setting card reader so that in addition user is without buying data SIM/USIM cards or 3G
Data card, it is not required that safeguard SIM/USIM cards or 3G data card expenses in such router.In addition, with the packet switching network
After network establishes SM connections, IP address is distributed for mobile terminal, so that mobile terminal is according to the IP address and the packet switching network
Network establishes data connection, realizes on the basis of need not setting card reader in 3G routers, and mobile terminal and packet switching network are built
Vertical connection.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow chart for one embodiment of method that 3G routers provided by the invention are authenticated with establishing data connection；
Fig. 2 is the flow chart for another embodiment of method that 3G routers provided by the invention are authenticated with establishing data connection；
Fig. 3 is the flow chart for another embodiment of method that 3G routers provided by the invention are authenticated with establishing data connection；
Fig. 4 is authenticated with establishing data connecting method one in fact for the equipment provided by the invention with WIFI by 3G routers
Apply the flow chart of example；
Fig. 5 is the flow chart of one embodiment of 3G routers turn-off data connection method provided by the invention；
Fig. 6 is the structure diagram of one embodiment of 3G routers provided by the invention；
Fig. 7 is the structure diagram of another embodiment of 3G routers provided by the invention；
Fig. 8 is the structure diagram of another embodiment of 3G routers provided by the invention；
Fig. 9 is the structure diagram of another embodiment of 3G routers provided by the invention；
Figure 10 is the structure diagram of one embodiment of mobile terminal provided by the invention；
Figure 11 is the structure diagram of another embodiment of mobile terminal provided by the invention；
Figure 12 is the structure diagram of another embodiment of mobile terminal provided by the invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts, belong to the scope of protection of the invention.
Technical scheme can be applied to 3G routers authentication with establishing data connection.More specifically, it is of the invention
3G routers without SIM/USIM cards or 3G data cards, without card reader, 3G routers are by the checking information of mobile terminal, such as
SIM card information, passes through Universal Wireless Packet Service（General Packet Radio Service, abbreviation GPRS）Mobility pipe
Reason（GPRS Mobile Manager, abbreviation GMM）/ session management（Session Manager, abbreviation SM）Agreement is handed over packet
Packet switched data passage is established and safeguarded to switching network, realizes the authentication and data connection of mobile terminal.And 3G router energy
Enough checking informations by mobile terminal, such as SIM card information, realizes and the equipment with WIFI is authenticated and established and is grouped
The data connection of exchange network.
In current communications systems, data connection is established using 3G routers, is divided into physical connection, GMM connections are connected with SM.
Physical connection is in mobile terminal and wireless network subsystem（Radio Network Subsystem, abbreviation RNS）Between establish
Wireless spread-spectrum technology（Radio Link Control, abbreviation RLC）/ media access control（Media Access Control,
Abbreviation MAC）Layer connection, during being somebody's turn to do, the 3G module in 3G routers needs to initiate packet channel request, to obtain grouped data
Transmit required uplink and downlink；GMM connections refer to GPRS Mobility Management, which is to pass through GPRS/3G
Signal attachment code is realized, to activate mobile management context, in mobile terminal and GPRS serving GPRS support nodes（Serving
GPRS Support Node, abbreviation SGSN）Between establish logical links and authentication ciphering.SM connections are session connection processes, should
Connection is carried out by packet data protocol context activation code.Block data protocol context is activated by mobile terminal request,
As the message of transmission packet routing, after packet data protocol context activation, 3G data connection sessions are just established, i.e.,
It can carry out terminal transmitting and receiving packet data.
Fig. 1 is the flow chart for one embodiment of method that 3G routers provided by the invention are authenticated with establishing data connection.Such as
Shown in Fig. 1, which includes：
101：3G routers receive the checking information that mobile terminal is sent by wireless connection, and the checking information is by described
The embedded software of mobile terminal is read；
Wherein, the checking information is the SIM card information of the mobile terminal.
102：3G routers are established GMM with packet switching network and are connected, and are tested during GMM connections are established according to
Card information authenticates the mobile terminal；
Wherein, the 3G routers are established GMM with packet switching network and are connected, the basis during GMM connections are established
The checking information authenticates the mobile terminal, including：The SIM card information is encapsulated as GMM protocol packages；By described in
GMM protocol packages are sent to the packet switching network, for adhering to；The checking request that the packet switching network is sent is received,
Random code is wherein carried, the checking request packet switching network is sent after GMM protocol packages are received；According to institute
The random code for stating carrying calculates Authentication Response（Signed RESponse, abbreviation SRES）；Auth response is sent to the packet
Exchange network, wherein carrying the SRES；The GMM protocol packages attachment receiving that the packet switching network is sent is received to disappear
Breath；The GMM protocol packages attachment, which is sent, to the packet switching network completes response.
Wherein, 3G routers receive the checking request that the packet switching network is sent, wherein random code is carried, it is described to test
Card request sends for packet switching network after GMM protocol packages are received；SERS is calculated according to the random code of the carrying；Will
Auth response is sent to the packet switching network, wherein carrying the SRES；The packet switching network receives 3G routes
Device send SRES, with according in packet switching network Encryption Algorithm calculate SRES compared with, if unanimously, authentication into
Work(, authenticates and successfully means that GMM successful connections.
103：Established described with packet switching network after GMM is connected, establish SM with the packet switching network and be connected,
After SM connections are successfully established, the agreement interconnected is distributed between network for the mobile terminal（Internet Protocol, letter
Claim IP）Address, so that the mobile terminal establishes data connection according to the IP address and the packet switching network.
It is wherein, described that to establish SM with the packet switching network and be connected realized by PDP context activation.
Wherein, described is that mobile terminal distribution IP address is to set agreement by DynamicHost（Dynamic Host
Configuration Protocol, abbreviation DHCP）Protocol realization.
Further, further include：
3G routers receive Wireless Fidelity（Wireless Fidelity, abbreviation WIFI）The foundation that equipment is sent
Radio connection request, the device identification of the WIFI equipment is carried in the radio connection request；
Wherein, the WIFI equipment mark includes：The parameters such as WIFI equipment MAC Address, terminal type.
3G routers send certification request, the certification according to the device identification of the WIFI equipment to the mobile terminal
Request is used to be authenticated the WIFI equipment；
In certification by rear, 3G routers distribute IP address for the WIFI equipment, so that the WIFI equipment is according to institute
State IP address and establish data connection with the packet switching network.
Wherein, it is described in certification by rear, 3G routers for the WIFI equipment distribute IP address, be specially：It is described
WIFI equipment receives the IP address by DHCP protocol.
Further, further include：
3G routers receive the request for the closing network connection that mobile terminal is sent；
3G routers close network connection according to the request of the closing network connection.
In the present embodiment, established by 3G routers using the checking information of mobile terminal and with packet switching network
GMM connections authenticate mobile terminal, it may not be necessary to which user uses SIM/UMSI cards or 3G data cards, in 3G routers
Card reader need not be set so that in addition user is without buying data SIM/USIM cards or 3G data cards, it is not required that safeguard this
SIM/USIM cards or 3G data card expenses in class router.In addition, established with packet switching network after SM is connected, for movement
Terminal distribution IP address, so that mobile terminal establishes data connection according to the IP address and packet switching network, realizes 3G
On the basis of need not setting card reader in router, mobile terminal and packet switching network establish connection.
Fig. 2 is the flow chart for another embodiment of method that 3G routers provided by the invention are authenticated with establishing data connection.
As shown in Fig. 2, the present embodiment method includes：
201：Mobile terminal reads the checking information of the mobile terminal by the embedded software of the mobile terminal；
Wherein, the mobile terminal is the intelligent terminal with WIFI function, and system has the ability of development and application program；
The embedded software is based on the system development.
Wherein, the checking information is the SIM card information of the mobile terminal.
202：The checking information is sent to 3G routers by mobile terminal by wireless connection, so as to the 3G routers
The mobile terminal is authenticated according to the checking information, is attached with packet switching network；
203：Mobile terminal receives the 3G routers after to mobile terminal authentication success, the packet of forwarding
Switching network is the network parameter of mobile terminal distribution, and cures the network parameter；
Wherein, the 3G routers to the mobile terminal authentication success after, including：
The embedded software is connected with the 3G routers, and 3G routers are inquired about and set；
Wherein, the inquiry includes inquiring about the state of 3G routers；
Described set includes setting the WIFI equipment allowed to connect list the 3G routers.
Wherein, the network parameter includes packet temporary mobile subscriber identity（Packet Temperate Mobile
Subs Cription Identity, abbreviation P-TMSI）, Routing Area identity（Routing Area Identity, letter
Claim RAI）, data connection timers value and network switching timer value.
204：Mobile terminal receives the IP address that the 3G routers are mobile terminal distribution, and according to the IP
Data connection is established in location with the packet switching network.
Wherein, the IP address is carried by DHCP protocol.
Further, further include：
Mobile terminal receives the certification request that the 3G routers are sent, the equipment that the certification request carries WIFI equipment
Mark；
Wherein, the WIFI equipment mark includes：The parameters such as WIFI equipment MAC Address, terminal type.
Mobile terminal is authenticated the WIFI equipment according to the device identification, and the certification request is provided and is recognized
Card response.
Wherein, it is described that the WIFI equipment is authenticated according to the device identification, including：By the device identification with
The permission list of devices set in the embedded software compares, and the device identification is in the permission list of devices, to described
3G routers send authentication response.
Further, further include：
Mobile terminal sends the request for closing network connection to the 3G routers, so that the 3G routers are according to request
Disconnect the data connection with the packet switching network；
Mobile terminal receives the response for the closing network connection that the 3G routers are sent after turn-off data connection.
In the present embodiment, checking information is provided for 3G routers by mobile terminal, to realize that mobile terminal is handed over packet
Switching network establishes GMM connections and authentication, it may not be necessary to which user uses SIM/UMSI cards or 3G data cards, in 3G routers
Card reader need not be set so that in addition user is without buying data SIM/USIM cards or 3G data cards, it is not required that safeguard this
SIM/USIM cards or 3G data card expenses in class router.After establishing GMM connections, establish SM with packet switching network and be connected.
Moreover, mobile terminal for 3G routers by providing checking information, it is possible to achieve to the authentication of other WIFI equipments so that other
WIFI equipment can be realized by 3G routers establishes data connection between packet switching network.
Fig. 3 is the flow chart for another embodiment of method that 3G routers provided by the invention are authenticated with establishing data connection.
As shown in figure 3, the flow chart includes：
301：Mobile terminal establishes WLAN links by the WLAN module of 802.11a/b/g/n agreements and 3G routers；
Wherein, mobile terminal has WIFI function.802.11a/b/g/n agreements are the agreements for establishing WLAN connections,
By 802.11a/b/g/n agreements, mobile terminal can establish WLAN links with 3G routers.802.11a/b/g/n agreements
802.11x agreements can be expressed as, to represent 802.11a, 802.11b, 802.11g or 802.11n agreement
302：Mobile terminal sends 802.1x certification requests to the WLAN module of 3G routers and starts message（Namely EAPol-
Start message）, to initiate authentication request；
303:The WLAN module of 3G routers sends authentication request message to mobile terminal（Namely EAPol-Request/
Identity）, to require mobile terminal to provide checking information.
Wherein, the checking information that 3G router solicitations mobile terminal provides is to establish the SIM card essential information of data connection.
304：Mobile terminal sends authentication response message to the WLAN module of 3G routers；
Wherein, after application program for mobile terminal receives EAPol-Request message, the embedded software of mobile terminal is utilized
The mobile terminal SIM card information is read, such as SIM card information is international mobile subscriber identity（International
Mobile Subscriber Identification Number, abbreviation IMSI）Information, is encapsulated into the IMSI information and recognizes
Demonstrate,prove response message（Namely EAPol-Response/Identity）, then, mobile terminal is sent to the WLAN module of 3G routers
Encapsulate the authentication response message of IMSI information.
Wherein, 302-304 is based on 802.1x for mobile terminal（Namely EAPol-SIM/AKA）Verification process.
305：The WLAN module of 3G routers decomposes authentication response message, obtains mobile terminal SIM card information；
306：SIM card information is packaged into GMM protocol packages by the 3G module of 3G routers；
Wherein, it is described that SIM card information is packaged into GMM protocol packages, including：The IMSI information of mobile terminal is encapsulated into
In GMM attachment message.
Wherein, above-mentioned 305-306 is the process that the SIM card information of mobile terminal is packaged into GMM protocol packages, by 802.1x
Protocol package is converted to GMM protocol packages.
307：The 3G module of 3G routers initiates GMM agreements attachment message to packet switching network；
Wherein, the IMSI information of mobile terminal is encapsulated in the attachment message.
308：Packet switching network sends checking request to the 3G module of 3G routers, and carries random code；
Wherein, after packet switching network receives GMM agreements attachment message, required to provide shifting with the mode of request/response
The authentication of dynamic terminal.
The wherein described random code is 128 random numbers that SGSN is produced with random number generator.
309：The 3G module of 3G routers calculates SRES according to the value of random code；
Wherein, after the 3G module of 3G routers receives checking request, checking request message is decomposed, obtains random code
Value, with cured shared key in mobile terminal SIM card, and computing is encrypted according to authentication encryption algorithm A3, obtains
SRES。
310：The 3G module of 3G routers sends auth response to packet switching network, carries the SRES；
Wherein, the SRES obtained by Encryption Algorithm is encapsulated into authentication response information by the 3G module of 3G routers, and
The SGSN of the packet switching network is sent to, and is awaited a response.
311：Packet switching network sends GMM agreements attachment received message to the 3G module of 3G routers；
Wherein, before the packet switching network sends GMM agreements attachment received message to the 3G module of 3G routers, bag
Include：
Packet switching network decomposes received authentication response information, obtains SRES, and Encryption Algorithm A3 is locally stored with basis
Obtained SRES is compared, if both matchings, mobile terminal authentication pass through.
Wherein, mobile terminal authentication sends the GMM agreements attachment by the rear 3G module to 3G routers and receives
Message, the GMM agreements attachment, which is received in message, carries P-TMSI, PAI, data connection timer, network switching timer
Numerical value.
312-313：The 3G module of 3G routers sends GMM agreements attachment completion message to packet switching network；
Wherein, before the 3G module of the 3G routers sends GMM agreements attachment completion message to packet switching network, bag
Include：
The 3G module of 3G routers receives the GMM agreements attachment received message that SGSN is sent, and decomposes message, obtains parameter
P-TSMI, PAI, are saved in system and update and arrive storage device.
Wherein, above-mentioned 307-313 is the flow that the 3G module of 3G routers and packet switching network establish data attachment, into
Row user identification, user's checking, P-TMSI assigning process.
314：The 3G module of 3G routers gets parms described in and is packaged into 802.1x protocol packages；
Wherein, the 3G module of the 3G routers gets parms described in and is packaged into 802.1x protocol packages, is specially：
The parameter of the acquisition is encapsulated in the authentication request message of 802.1x（Namely EAPol-Request）In.
315：The authentication request message is sent to mobile terminal by the WLAN module of 3G routers；
316：Mobile terminal is by the SIM card of the parameter read-in mobile terminal of acquisition；
Wherein, the mobile terminal is by before in the parameter read-in mobile terminal SIM card of acquisition, including：
802.1x protocol packages are decomposed, obtain parameter P-TMSI, PAI, data connection that authentication request message carries
Timer, network switching timer value.
317：Mobile terminal sends authentication response message to the WLAN module of 3G routers（Namely EAPol-Response）；
Wherein, above-mentioned 314-317 is the 802.1x authentication request messages that mobile terminal is initiated, and successfully attachment network is obtained
The parameter taken passes mobile terminal back by 802.1x agreements, in case carry out using during data network attachment next time.
318：The WLAN module of 3G routers is initiated to establish packet connection request to 3G module；
319：The 3G module of 3G routers sends SM agreements to packet switching network and creates PDP Context message；
Wherein, the SM agreements create the access point of the connection packet switching network of package request in PDP Context message
（Access Point Name, abbreviation APN）, connection mode, PDP activation mode.
320：Packet switching network sends SM agreement PDP successful activation message to the 3G module of 3G routers；
Wherein, after packet switching network receives PDP activation request, the APN, connection side according to entrained by message
Formula, PDP activation mode create PDP Context, and negotiation terminal, SGSN, Gateway GPRS Support Node（Gateway GPRS
Support Node, abbreviation GGSN）Between service quality（Quality of Service, abbreviation Qos）, ensure according to user
Unit contractual capacity establishes user plane passage, and is received with SM protocol activatings PDP Context（Namely Activate PDP Context
Accept）Message is sent to the 3G module of 3G routers, and is IP address of the 3G module distribution with data connection capabilities, so that
Signaling plane from mobile terminal to packet switch is successfully established；
321：After the 3G module of 3G routers receives SM agreement PDP successful activation message, to the WLAN moulds of 3G routers
Block sends and establishes data packet requests response message；
Wherein, 318-321 is that the 3G module of 3G routers carries out data network session foundation and Qos negotiations processes.
322：The WLAN module of 3G routers distributes IP address by DHCP protocol for mobile terminal；
323：Mobile terminal sets IP address；
Wherein 322-323:It is the 3G of 3G routers after establishing data connection passage by the SIM card information of mobile terminal
After module is by authenticating mobile terminal, IP address is distributed by DHCP protocol for mobile terminal.
324：After being successfully established signaling plane connection, user plane connection is established.
In the present embodiment, by the WLAN module in mobile terminal, 3G routers and 3G module and packet switching network it
Between mobile terminal is authenticated using the SIM card information of mobile terminal especially by 3G routers, built with packet switching network
Vertical GMM connections, and be connected establishing SM with packet switching network, data connection is established between mobile terminal and packet switching network
Process.The process can be not required user to use SIM/UMSI cards or 3G data cards, without setting card reader in 3G routers,
So that in addition user is without buying data SIM/USIM cards or 3G data cards, it is not required that safeguards SIM/ in such router
Usim card or 3G data card expenses.
Fig. 4 is authenticated with establishing data connecting method one in fact for the equipment provided by the invention with WIFI by 3G routers
Apply the flow chart of example.As shown in figure 4, the method for the present embodiment includes：
401：Sent with WIFI equipment to 3G routers and establish radio connection request；
Wherein, the device identification of the WIFI equipment is carried in the radio connection request；The wireless connection of establishing please
Service set of the Seeking Truth by 802.11 protocol search to 3G routers（Service Set Identifier, referred to as
SSID）, wireless connection verification is carried out according to SSID keys.
402：3G routers send certification request according to the device identification of the WIFI equipment to mobile terminal；
Wherein, the certification request is used to be authenticated the WIFI equipment.
403：The mobile terminal sends authentication response to 3G routers；
Wherein, after mobile terminal receives certification request, the device identification of the WIFI equipment is obtained, including MAC Address,
Terminal type, then be compared with the permission list of devices that the embedded software in mobile terminal is set, if described possess WIFI
Equipment exist with list, it is allowed to connect, and send authentication response.
404：In certification by rear, 3G routers to be described there is WIFI equipment to distribute IP address；
Wherein, it is that 3G routers are taken by DHCP protocol that there is the 3G routers WIFI equipment to distribute IP address for described in
With the IP address.
405：The IP address that distribution is received with WIFI equipment, to described there is WIFI equipment to set
Put.
406：It is described have data transfer is grouped between WIFI equipment and packet switching network.
In the present embodiment, it may not be necessary to which user uses SIM/UMSI cards or 3G data cards, without setting in 3G routers
Put card reader so that in addition user is without buying data SIM/USIM cards or 3G data cards, it is not required that safeguard such route
SIM/USIM cards or 3G data card expenses, pass through the SIM card information of mobile terminal, it is possible to achieve to being set with WIFI in device
It is standby to be authenticated, realize and establish data connection between the equipment with WIFI and packet switching network.
Fig. 5 is the flow chart of one embodiment of 3G routers turn-off data connection method provided by the invention.As shown in figure 5,
The present embodiment method includes：
501：Mobile terminal sends to 3G routers and closes network connecting request；
502：The WLAN module of 3G routers sends encapsulation GMM protocol packages to the 3G module of 3G routers and splits request；
Wherein, the encapsulation GMM protocol packages split request and include P-TMSI, split type, separation shutdown instruction（I.e.
Switch off）Data.
503：The 3G module of 3G routers sends GMM protocol packages to packet switching network and splits request；
504：Packet switching network replys GMM protocol packages to the 3G module of 3G routers and splits response；
Wherein, before the packet switching network replys the fractionation response of GMM protocol packages to the 3G module of 3G routers, bag
Include：According to the IMSI information of mobile terminal, the packet data protocol PDP Context for belonging to and being established for the mobile terminal is deleted,
And by mobile terminal respectively with circuit switching（Circuit Switch, abbreviation CS）Domain and packet switch（Packet
Switch, abbreviation PS）Domain is adhered to；
The packet switching network replys GMM protocol packages to the 3G module of 3G routers and splits response expression data network point
From success, data connection is closed.
505：The 3G module of 3G routers sends connection closed notification message to WLAN module；
506：The WLAN module of 3G routers is sent to mobile terminal closes network connection response.
In the present embodiment, encapsulation GMM protocol packages are split by 3G routers, and cancel mobile terminal and handed over packet
The attachment of switching network, makes mobile terminal be attached to CS domains and ps domain, so as to disconnect the connection of mobile terminal and packet switching network.
Fig. 6 is the structure diagram of one embodiment of 3G routers provided by the invention.The 3G routers can perform this hair
Method of the 3G routers authentication of bright any embodiment with establishing data connection.As shown in fig. 6, the 3G router bags of the present embodiment
Include：First receiving module 61, authentication module 62, the first link setup module 63, the second link setup module 64.
Wherein, the first receiving module 61 is used to receive the checking information that mobile terminal is sent by wireless connection, described to test
Information is demonstrate,proved to be read by the embedded software of mobile terminal；Authentication module 62 is used to test according to during GMM connections are established
Card information authenticates the mobile terminal；First link setup module 63 is connected for establishing GMM with packet switching network；Second
Link setup module 64 is used to establish with packet switching network after GMM is connected described, and SM companies are established with the packet switching network
Connect, after SM connections are successfully established, IP address is distributed for the mobile terminal, so that the mobile terminal is according to the IP address
Data connection is established with the packet switching network.
Wherein, the checking information is the SIM card information of the mobile terminal.
Further, authentication module 62 includes：First receiving unit, computing unit, the first transmitting element；
Wherein, the first receiving unit is used to receive the checking request that the packet switching network is sent, wherein carrying random
Code, the checking request packet switching network are sent after GMM protocol packages are received；Computing unit is used for according to institute
The random code for stating carrying calculates SERS；First transmitting element is used to auth response being sent to the packet switching network, wherein
Carry the SRES.
Wherein, above-mentioned function module can be used for performing 3G routers authentication provided in an embodiment of the present invention with establishing data company
The flow of method is connect, the checking information provided according to mobile terminal is provided, was connected establishing GMM with packet switching network
Mobile terminal is authenticated in journey, is established with packet switching network after GMM is connected, is established SM with packet switching network and connect
Connect, its concrete operating principle refers to the description of embodiment of the method, and details are not described herein.Pass through above-mentioned module, the 3G of the present embodiment
Router can be realized and mobile terminal is authenticated by the SIM card information of mobile terminal, realize that mobile terminal is handed over packet
Data connection is established between switching network.User can be not required to use SIM/UMSI cards or 3G data cards, in 3G routers also without
Card reader need to be set so that in addition user is without buying data SIM/USIM cards or 3G data cards, it is not required that safeguard such
SIM/USIM cards or 3G data card expenses in router.
Fig. 7 is the structure diagram of another embodiment of 3G routers provided by the invention.The present embodiment is based on above-mentioned implementation
Example is realized, as shown in fig. 7, the 3G routers of the present embodiment further include：Package module 71, the first sending module 72, second receive
Module 73, the second sending module 74.
Wherein, package module 71 is used to the SIM card information being packaged into GMM protocol packages；First sending module 72 is used for
The GMM protocol packages are sent to the packet switching network, for adhering to；Second receiving module 73 is used to receive the packet
The GMM protocol packages attachment received message that exchange network is sent；Second sending module 74 is used for a point described group of exchange network
Send the GMM protocol packages attachment and complete response.
Wherein, above-mentioned function module can be used for performing 3G routers authentication provided in an embodiment of the present invention with establishing data company
Connect the flow of method, be mainly used for according to mobile terminal provide checking information mobile terminal is authenticated, authenticate successfully and
Packet switching network establishes GMM connections, its concrete operating principle refers to the description of embodiment of the method, and details are not described herein.Pass through
Above-mentioned module, the 3G routers of the present embodiment can pass through the SIM card information of mobile terminal, it is possible to achieve mobile terminal is carried out
Authentication, realizes the data connection of mobile terminal and packet switching network.User can be not required to use SIM/UMSI cards or 3G numbers
According to card, 3G routers are interior without setting card reader so that in addition user is without buying data SIM/USIM cards or 3G data
Card, it is not required that safeguard SIM/USIM cards or 3G data card expenses in such router.
Fig. 8 is the structure diagram of another embodiment of 3G routers provided by the invention.The present embodiment is based on above-mentioned implementation
Example is realized, as shown in figure 8, the 3G routers of the present embodiment further include：3rd receiving module 81, the 3rd sending module 82, configuration
Module 83；
Wherein, the 3rd receiving module 81 is used for the radio connection request of establishing for receiving WIFI equipment transmission, described wirelessly to connect
Connect the device identification that the WIFI equipment is carried in request；3rd sending module 82 is used for the equipment mark according to the WIFI equipment
Know to the mobile terminal and send certification request, the certification request is used to be authenticated the WIFI equipment；Configuration module
83 are used in certification by rear, and IP address is distributed for the WIFI equipment, so as to the WIFI equipment according to the IP address with
The packet switching network establishes data connection.
Wherein, above-mentioned function module can be used for perform it is provided in an embodiment of the present invention have WIFI equipment pass through 3G routers
The flow of data connecting method is authenticated and established, is mainly used for being authenticated with WIFI equipment, to be built with WIFI equipment
Vertical data connection, its concrete operating principle refer to the description of embodiment of the method, and details are not described herein.Pass through above-mentioned module, this reality
The 3G routers for applying example can authenticate mobile terminal by the SIM card information of mobile terminal, realize mobile terminal with dividing
The data connection of group exchange network, and realized by mobile terminal to being authenticated with WIFI equipment, realize and set with WIFI
The standby data connection with packet switching network.User can be not required to use SIM/UMSI cards or 3G data cards, in 3G routers
Without setting card reader so that in addition user is without buying data SIM/USIM cards or 3G data cards, it is not required that safeguard
SIM/USIM cards or 3G data card expenses in such router.
Fig. 9 is the structure diagram of another embodiment of 3G routers provided by the invention.The 3G routers can perform sheet
Method of the 3G routers authentication of invention any embodiment with establishing data connection.As shown in figure 9, the 3G routers of the present embodiment
Further include：4th receiving module 91, closedown module 92；
Wherein, the 4th receiving module 91 is used for the request for the closing network connection for receiving mobile terminal transmission；Closedown module
92 are used to close network connection according to the request of the closing network connection.
Wherein, above-mentioned function module can be used for performing 3G routers turn-off data connection method provided in an embodiment of the present invention
Flow, be mainly used for splitting encapsulation GMM protocol packages by 3G routers, and cancel mobile terminal and the packet switching network
The attachment of network, makes mobile terminal be attached to CS domains and ps domain, so as to disconnect the connection of mobile terminal and packet switching network, it has
Body running principle refers to the description of embodiment of the method, and details are not described herein.By above-mentioned module, the 3G routers of the present embodiment can
To disconnect the data connection between mobile terminal and packet switching network.
Figure 10 is the structure diagram of one embodiment of mobile terminal provided by the invention.The mobile terminal can perform this hair
Method of the 3G routers authentication of bright any embodiment with establishing data connection.As shown in Figure 10, the mobile terminal of the present embodiment
Including：Embedded software 110, the first sending module 111, the first receiving module 112, the second receiving module 113, the first link setup module
114。
Wherein, embedded software 110 is used for the checking information for reading mobile terminal；First sending module 111 is used for by described in
Checking information is sent to 3G routers by wireless connection, so as to the 3G routers according to the checking information to the movement
Terminal is authenticated, and is attached with packet switching network；First receiving module 112 is used to receive the 3G routers to institute
After stating mobile terminal authentication success, the packet switching network of forwarding is the network parameter of mobile terminal distribution, and solid
Change the network parameter；Second receiving module 113 is used to receive the IP address that the 3G routers are mobile terminal distribution；
First link setup module 114 is used to establish data connection according to the IP address and the packet switching network.
Wherein, the checking information is the SIM card information of the mobile terminal.
Wherein, above-mentioned function module can be used for performing 3G routers authentication provided in an embodiment of the present invention with establishing data company
The flow of method is connect, is mainly used for providing checking information for 3G routers, and be based on the checking information and packet switching network
GMM connections are established, is established with packet switching network after GMM is connected, is established SM with packet switching network and be connected, its specific works
Principle refers to the description of embodiment of the method, and details are not described herein.By above-mentioned module, the mobile terminal of the present embodiment passes through offer
SIM card information, the authentication to mobile terminal can be realized by 3G routers, realizes and is built between mobile terminal and packet switching network
Vertical data connection.User can be not required to use SIM/UMSI cards or 3G data cards, without setting card reader in 3G routers,
So that in addition user is without buying data SIM/USIM cards or 3G data cards, it is not required that safeguards SIM/ in such router
Usim card or 3G data card expenses.
Figure 11 is the structure diagram of another embodiment of mobile terminal provided by the invention.The present embodiment is based on above-mentioned implementation
Example is realized.As shown in figure 11, the mobile terminal of the present embodiment further includes：3rd receiving module 120, authentication module 121, second are sent out
Send module 122；
3rd receiving module 120 is used for the certification request for receiving the transmission of 3G routers, described in the certification request carries
The device identification of WIFI equipment；Authentication module 121 is used to be authenticated the WIFI equipment according to the device identification；Second
Sending module 122 is used to authentication response being sent to the 3G routers.
Further, the authentication module 121 includes：Storage unit, authentication unit；
Storage unit is used to preserve the WIFI equipment connection list allowed；Authentication unit is used for the device identification and institute
State the permission list of devices set in embedded software to compare, the device identification is in the permission list of devices, to the 3G
Router sends authentication response.
Wherein, above-mentioned function module can be used for perform it is provided in an embodiment of the present invention have WIFI equipment pass through 3G routers
The flow of data connecting method is authenticated and established, is mainly used for being authenticated with WIFI equipment, its concrete operating principle is detailed
See the description of embodiment of the method, details are not described herein.By above-mentioned module, the mobile terminal of the present embodiment passes through SIM card information
After authenticating successfully, 3G routers are inquired about and set by the embedded software of mobile terminal, it is possible to achieve to being set with WIFI
It is standby to be authenticated, realize the data connection with WIFI equipment and packet switching network.User can be not required to use SIM/
UMSI cards or 3G data cards, 3G routers are interior without setting card reader so that in addition user is without buying data SIM/USIM
Card or 3G data cards, it is not required that safeguard SIM/USIM cards or 3G data card expenses in such router.
Figure 12 is the structure diagram of another embodiment of mobile terminal provided by the invention.The mobile terminal can perform sheet
Method of the 3G routers authentication of invention any embodiment with establishing data connection.As shown in figure 12, the mobile end of the present embodiment
End further includes：3rd sending module 130, the 4th receiving module 131；
Wherein, the 3rd sending module 130 is used to send the request for closing network connection to the 3G routers, so as to described
3G routers disconnect the data connection with the packet switching network according to request；4th receiving module 131 is used to receive described
The response for the closing network connection that 3G routers are sent after turn-off data connection.
Wherein, above-mentioned function module can be used for performing 3G routers turn-off data connection method provided in an embodiment of the present invention
Flow, be mainly used for mobile terminal and network connection disconnected by 3G routers, its concrete operating principle refers to embodiment of the method
Description, details are not described herein.By above-mentioned module, the mobile terminal of the present embodiment can be realized to be interrupted with packet switching network
Open data connection.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, execution the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (18)
- A kind of 1. method of 3G routers authentication with establishing data connection, it is characterised in that including：The checking information that mobile terminal is sent by wireless connection is received, the checking information is soft as built in the mobile terminal Part is read；GMM is established with packet switching network to be connected, according to the checking information to the movement during GMM connections are established Terminal is authenticated；Established described with packet switching network after GMM is connected, establish SM with the packet switching network and be connected, successfully building After vertical SM connections, IP address is distributed for the mobile terminal, so that the mobile terminal is according to the IP address and the packet Exchange network establishes data connection；Wherein, it is described to establish GMM with packet switching network and be connected, according to the checking information during GMM connections are established The mobile terminal is authenticated, including：SIM card information is encapsulated as GMM protocol packages；The GMM protocol packages are sent to the packet switching network, for adhering to；The checking request that the packet switching network is sent is received, wherein carrying random code, the checking request is the packet What exchange network was sent after GMM protocol packages are received；SRES is calculated according to the random code of the carrying；Auth response is sent to the packet switching network, wherein carry the SRES, the SRES be used for according to packet The SRES that Encryption Algorithm calculates in exchange network is compared, if both comparative results are consistent, is authenticated successfully；Receive the GMM protocol packages attachment received message that the packet switching network is sent；The GMM protocol packages attachment, which is sent, to the packet switching network completes response.
- 2. method of the 3G routers authentication according to claim 1 with establishing data connection, it is characterised in that the verification Information is the SIM card information of the mobile terminal.
- 3. method of the 3G routers authentication according to claim 1 or 2 with establishing data connection, it is characterised in that also wrap Include：Receive WIFI equipment transmission establishes radio connection request, and setting for the WIFI equipment is carried in the radio connection request Standby mark；Certification request is sent to the mobile terminal according to the device identification of the WIFI equipment, the certification request is used for institute WIFI equipment is stated to be authenticated；In certification by rear, IP address is distributed for the WIFI equipment, so that the WIFI equipment is according to the IP address and institute State packet switching network and establish data connection.
- 4. method of the 3G routers authentication according to claim 1 or 2 with establishing data connection, it is characterised in that also wrap Include：Receive the request for the closing network connection that mobile terminal is sent；Network connection is closed according to the request of the closing network connection.
- A kind of 5. method of 3G routers authentication with establishing data connection, it is characterised in that including：The checking information of the mobile terminal is read by the embedded software of mobile terminal；The checking information is sent to 3G routers by wireless connection, so that the 3G routers are according to the checking information The mobile terminal is authenticated, is attached with packet switching network；The 3G routers are received after to mobile terminal authentication success, the packet switching network of forwarding is the shifting The network parameter of dynamic terminal distribution, and cure the network parameter；The IP address that the 3G routers are mobile terminal distribution is received, and according to the IP address and the packet switch Network establishes data connection；Wherein, it is described that the checking information is sent to 3G routers by wireless connection, so that the 3G routers are according to institute Checking information is stated to authenticate the mobile terminal, including：The packet switching network receives the GMM protocol packages that the 3G routers are sent, and the GMM protocol packages route for the 3G Device encapsulates SIM card information to be formed；The checking request that the packet switching network is sent to the 3G routers, wherein random code is carried, the checking request Sent after receiving the GMM protocol packages；The packet switching network receives the auth response that the 3G routers are sent, wherein carry the 3G routers according to The SRES that the random code is calculated；The SRES that the packet switching network is calculated according to Encryption Algorithm, by the 3G routers received send SRES with it is described The SRES being calculated is compared, if both comparative results are consistent, is authenticated successfully；The packet switching network sends the GMM protocol packages to the 3G routers and adheres to received message；The packet switching network receives the GMM protocol packages attachment that the 3G routers are sent and completes response.
- 6. method of the 3G routers authentication according to claim 5 with establishing data connection, it is characterised in that the verification Information is the SIM card information of the mobile terminal.
- 7. method of the 3G routers authentication with establishing data connection according to claim 5 or 6, it is characterised in that also wrap Include：The certification request that the 3G routers are sent is received, the certification request carries the device identification of WIFI equipment；The WIFI equipment is authenticated according to the device identification, authentication response is sent to the 3G routers.
- 8. method of the 3G routers authentication according to claim 7 with establishing data connection, it is characterised in that the 3G roads By device after to mobile terminal authentication success, including：The embedded software is connected with the 3G routers, and the 3G routers are inquired about and set；Wherein, the inquiry includes inquiring about the state of the 3G routers；Described set includes setting the WIFI equipment allowed to connect list the 3G routers；Wherein, it is described that the WIFI equipment is authenticated according to the device identification, including：By the device identification with it is described The permission list of devices set in embedded software compares, and the device identification is in the permission list of devices, to the 3G roads Authentication response is sent by device.
- 9. method of the 3G routers authentication with establishing data connection according to claim 5 or 6, it is characterised in that also wrap Include：The request for closing network connection is sent to the 3G routers, so that the 3G routers disconnect and described point according to request The data connection of group exchange network；Receive the response for the closing network connection that the 3G routers are sent afterwards in turn-off data connection.
- A kind of 10. 3G routers, it is characterised in that including：First receiving module, the checking information sent for receiving mobile terminal by wireless connection, the checking information is by institute The embedded software for stating mobile terminal is read；First link setup module, is connected for establishing GMM with packet switching network；Authentication module, for being authenticated during GMM connections are established according to the checking information to the mobile terminal； Second link setup module, for being established described with packet switching network after GMM is connected, SM is established with the packet switching network Connection, after SM connections are successfully established, distributes IP address, for the mobile terminal so as to the mobile terminal according to the IP Data connection is established in location with the packet switching network；Package module, for SIM card information to be encapsulated as GMM protocol packages；First sending module, for the GMM protocol packages to be sent to the packet switching network, for adhering to；Wherein, authentication module includes：First receiving unit, the checking request sent for receiving the packet switching network, wherein random code is carried, it is described to test Card asks the packet switching network to be sent after GMM protocol packages are received；Computing module, for calculating SRES according to the random code of the carrying；First transmitting element, for auth response to be sent to the packet switching network, wherein carry the SRES, for It is compared according to the SRES that Encryption Algorithm in packet switching network calculates, if both comparative results are consistent, is authenticated successfully；Second receiving module, if for authenticating successfully, receives the GMM protocol packages attachment that the packet switching network is sent Received message；Second sending module, response is completed for sending the GMM protocol packages attachment to the packet switching network.
- 11. 3G routers according to claim 10, it is characterised in that the checking information is the mobile terminal SIM card information.
- 12. the 3G routers according to claim 10 or 11, it is characterised in that further include：3rd receiving module, for receive WIFI equipment transmission establish radio connection request, taken in the radio connection request Device identification with the WIFI equipment；3rd sending module, certification request, institute are sent for the device identification according to the WIFI equipment to the mobile terminal Certification request is stated to be used to be authenticated the WIFI equipment；Configuration module, for, by rear, IP address being distributed for the WIFI equipment, so that the WIFI equipment is according to institute in certification State IP address and establish data connection with the packet switching network.
- 13. the 3G routers according to claim 10 or 11, it is characterised in that further include：4th receiving module, the request of the closing network connection for receiving mobile terminal transmission；Closedown module, for closing network connection according to the request of the closing network connection.
- A kind of 14. mobile terminal, it is characterised in that including：Embedded software, for reading the checking information of mobile terminal；First sending module, for the checking information to be sent to 3G routers by wireless connection, so that the 3G is route Device authenticates the mobile terminal according to the checking information, is attached with packet switching network；First receiving module, for receiving the 3G routers after to mobile terminal authentication success, described point of forwarding Group exchange network is the network parameter of mobile terminal distribution, and cures the network parameter；Second receiving module, for receiving the IP address that the 3G routers are mobile terminal distribution；First link setup module, for establishing data connection according to the IP address and the packet switching network；Wherein, it is described that the checking information is sent to 3G routers by wireless connection, so that the 3G routers are according to institute Checking information is stated to authenticate the mobile terminal, including：The packet switching network receives the GMM protocol packages that the 3G routers are sent, and the GMM protocol packages route for the 3G Device encapsulates SIM card information to be formed；The checking request that the packet switching network is sent to the 3G routers, wherein random code is carried, the checking request Sent after receiving the GMM protocol packages；The packet switching network receives the auth response that the 3G routers are sent, wherein carry the 3G routers according to The SRES that the random code is calculated；The SRES that the packet switching network is calculated according to Encryption Algorithm, by the 3G routers received send SRES with it is described The SRES being calculated is compared, if both comparative results are consistent, is authenticated successfully；The packet switching network sends the GMM protocol packages to the 3G routers and adheres to received message；The packet switching network receives the GMM protocol packages attachment that the 3G routers are sent and completes response.
- 15. mobile terminal according to claim 14, it is characterised in that the checking information is the mobile terminal SIM card information.
- 16. the mobile terminal according to claims 14 or 15, it is characterised in that further include：3rd receiving module, for receiving the certification request of 3G routers transmission, the certification request carries setting for WIFI equipment Standby mark；Authentication module, for being authenticated according to the device identification to the WIFI equipment；Second sending module, for authentication response to be sent to the 3G routers.
- 17. mobile terminal according to claim 16, it is characterised in that the authentication module includes：Storage unit, list is connected for preserving the WIFI equipment allowed；Authentication unit, by the device identification compared with the permission list of devices set in the embedded software, the equipment mark Know in the permission list of devices, authentication response is sent to the 3G routers.
- 18. the mobile terminal according to claims 14 or 15, it is characterised in that further include：3rd sending module, the request of network connection is closed for being sent to the 3G routers, so as to the 3G routers root The data connection with the packet switching network is disconnected according to request；4th receiving module, the sound of the closing network connection sent afterwards in turn-off data connection for receiving the 3G routers Should.
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| CN201210410006.7A CN103781070B (en) | 2012-10-24 | 2012-10-24 | 3G routers authenticate the method and apparatus with establishing data connection |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1474610A (en) * | 2002-08-08 | 2004-02-11 | Lg������ʽ���� | Radio data cut-in method |
| CN1815956A (en) * | 2005-02-05 | 2006-08-09 | 华为技术有限公司 | Method for identifying authority in wireless group business |
| CN101621801A (en) * | 2009-08-11 | 2010-01-06 | 深圳华为通信技术有限公司 | Method, system, server and terminal for authenticating wireless local area network |
| CN102098671A (en) * | 2009-12-15 | 2011-06-15 | 中兴通讯股份有限公司 | Authentication method and system |
-
2012
- 2012-10-24 CN CN201210410006.7A patent/CN103781070B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1474610A (en) * | 2002-08-08 | 2004-02-11 | Lg������ʽ���� | Radio data cut-in method |
| CN1815956A (en) * | 2005-02-05 | 2006-08-09 | 华为技术有限公司 | Method for identifying authority in wireless group business |
| CN101621801A (en) * | 2009-08-11 | 2010-01-06 | 深圳华为通信技术有限公司 | Method, system, server and terminal for authenticating wireless local area network |
| CN102098671A (en) * | 2009-12-15 | 2011-06-15 | 中兴通讯股份有限公司 | Authentication method and system |
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