CN103249041B - WLAN and the method and device of wireless cellular network fusion - Google Patents
WLAN and the method and device of wireless cellular network fusion Download PDFInfo
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- CN103249041B CN103249041B CN201210026388.3A CN201210026388A CN103249041B CN 103249041 B CN103249041 B CN 103249041B CN 201210026388 A CN201210026388 A CN 201210026388A CN 103249041 B CN103249041 B CN 103249041B
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Abstract
The invention provides the method and device that a kind of WLAN and wireless cellular network merge, wherein, this method includes：The authentication request information for coming from WLAN terminal is transmitted to the core net of wireless cellular network by the baseband processing unit BBU of wireless cellular network；The Authentication Response information for coming from the core net is transmitted to the WLAN terminal by the BBU, to complete authentication of the core net to the WLAN terminal；After authentication passes through, the BBU establishes the passage that the WLAN terminal accesses the core net, to cause the WLAN terminal to access the core net.The present invention is solved in correlation technique, WLAN is not merged completely with Cellular Networks meromixis, and the problems such as WLAN and higher Cellular Networks integration program cost, and then the complete effects that merges and reduce by fusion cost two network between of the WLAN with Cellular Networks, so as to realizing in the online rapid deployment WLAN of existing cellular.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of WLAN (Wireless Local Area
Network, referred to as WLAN) and wireless cellular network fusion method and device.
Background technology
WLAN is to provide the user network service by the use of radio wave as transmission medium, in certain subrange
A kind of technology, WLAN technologies are extension of the fixed network in wireless domain to a certain extent, and accessing part in message uses wireless skill
Art, after message access, wireless local network connecting point (Wireless Local Area Network Access Point, letter
Referred to as WLAN AP) air message is converted into the form of wired message, and wired message is transmitted in cable network.Honeycomb
Net is traditional 2G/3G/4G networks of each operator's construction, and it is for voice application, with technology originally to design Cellular Networks
Development, Cellular Networks are also more and more used to do Packet Service.
WLAN technically has complementarity with Cellular Networks, and therefore, both fusions are also a kind of trend.Existing WLAN
There is relatively simple integration program with the integration technology of Cellular Networks, as shown in figure 1, simply will in access side in the integration program
Node B (NodeB)/enode b (eNodeB) and WLAN AP are placed on one device, transmission, the upstream control of each network
Equipment, certification, charging etc. are all each independent, continue to use each traditional method, therefore, although the integration program is very simple,
But WLAN and 3GPP system have simply shared base station equipment, WLAN and Cellular Networks are still transported as entirely different two networks of throwing the net
Make, fusion is focusing only on part, and needs to update the hardware facility of base station equipment.
In addition, there is the integration program of another WLAN and Cellular Networks in the prior art, as shown in Fig. 2 the integration program
What is mainly solved is that WLAN terminal uses Cellular Networks authenticating device, and WLAN terminal to access Cellular Networks WAP
The problem of (Wireless Application Protocol, referred to as WAP) domain, in the integration program, original WLAN's
On the basis of, PDG and 3GPP AAA Server equipment is introduced, to realize the mutual of the authentication of WLAN and 2G/3G networks and charging
It is logical, in fusion process, 3GPP authentication and authorization chargings (Authentication, Authorization and Accounting,
Referred to as AAA) server (Server) obtains from attaching position register (Home Location Register, referred to as HLR)
Authentication vector is obtained, WLAN terminal is authenticated, authentication is responsible for generation charging bill after, and charging bill is reached
BOSS systems；And the gateway that is functionally similar to of packet data gateway (Packet Data Gateway, referred to as PDG) equipment leads to
With grouping wireless business supporting node (Gateway General Packet Radio Service Supporting Node,
Referred to as GGSN), external network is accessed by Wi interfaces, however, in the integration program, although realizing WLAN and Cellular Networks
Fusion it is more close, WLAN has been multiplexed 3GPP HLR systems, and still, WLAN and Cellular Networks are still as entirely different two
Network of throwing the net operates, and fusion is focusing only on part, and needs newly-increased network element.
As can be seen that WLAN is focusing only on office with merging for Cellular Networks in integration program from above-mentioned WLAN with Cellular Networks
Portion, WLAN and Cellular Networks still operate as entirely different two networks of throwing the net, and are not carried out WLAN and honeycomb truly
The fusion of net, moreover, needing to carry out existing equipment the renewal of hardware facility in above-mentioned integration program or increasing new net
Member carries out merging required cost to realize merging for WLAN and Cellular Networks so as to add WLAN with Cellular Networks.
For the above mentioned problem in correlation technique, effective solution is not yet proposed at present.
The content of the invention
For in correlation technique, WLAN is only that meromixis is not merged completely with Cellular Networks, and WLAN and honeycomb
The technical problems such as net integration program cost is higher, the invention provides a kind of method that WLAN and wireless cellular network merge
And device, at least to solve the above problems.
According to an aspect of the invention, there is provided the side of a kind of WLAN (WLAN) and wireless cellular network fusion
Method, including：The authentication request information for coming from WLAN terminal is transmitted to wireless honeybee by the baseband processing unit BBU of wireless cellular network
The core net (Core Network, referred to as CN) of nest net；The BBU turns the Authentication Response information for coming from the core net
The WLAN terminal is issued, to complete authentication of the core net to the WLAN terminal；After authentication passes through, the BBU is built
The vertical WLAN terminal accesses the passage of the core net so that the WLAN terminal accesses the core net.
Before the authentication information for coming from WLAN terminal is transmitted to the core net of wireless cellular network by above-mentioned BBU, in addition to：
BBU determines certifications of the WLAN access points AP by the BBU, the BBU is managed the WLAN AP.
The authentication request information for coming from WLAN terminal is transmitted to the core net of wireless cellular network by above-mentioned BBU, including：Institute
The authentication request information that BBU gathers the WLAN terminal is stated, wherein, the authentication request information includes：The WLAN terminal
Identification information；The IMSI information is packaged into the message of the authentication message format of wireless cellular network by the BBU, and will envelope
The message of dress is sent to the equipment of the core network, to initiate authentication request.
The Authentication Response information for coming from the core net is transmitted to the WLAN terminal by above-mentioned BBU, with described in completion
Core net to the authentication of the WLAN terminal, including：The BBU obtains the WLAN terminal from the authentication response message
Authentication parameter；The authentication parameter is packaged into the message of the authentication message format of wireless cellular network by the BBU, and by encapsulation
Message is sent to the equipment of the core network；The authentication parameter of the authentication parameter and its preservation received is determined in the core net
When consistent, the BBU, which is sent, authenticates successful message to the WLAN terminal.
Above-mentioned BBU establishes the passage that the WLAN terminal accesses the core net, to cause the WLAN terminal to access institute
After stating core net, in addition to：The BBU detects the state that the WLAN terminal accesses the core net；If detect described
When WLAN terminal is in the state for not accessing the core net, the BBU interrupts the WLAN terminal and accesses the core net
Passage.
According to another aspect of the present invention, there is provided another WLAN and the method for wireless cellular network fusion, including：
It is determined that after the WLAN terminal of the core net of access wireless cellular network is without certification, baseband processing unit BBU is by described in reception
The authentication information of WLAN terminal is transmitted to the authenticating device of wireless cellular network；Pass through the authenticating device in the authentication information
After certification, the BBU establishes the passage that the WLAN terminal accesses the core net so that the WLAN terminal accesses the core
Heart net.
Before the authentication information of the WLAN terminal is sent into the gateway device of wireless cellular network, in addition to：BBU is determined
WLAN access points AP makes the BBU be managed the WLANAP by the certification of the BBU.
The authentication information of the WLAN terminal is transmitted to the gateway device of wireless cellular network, including：The BBU obtains institute
State the authentication information of WLAN terminal；The authentication information of acquisition is sent to WLAN authentication and authorization charging aaa servers by the BBU,
The authentication information is authenticated by the WLAN aaa servers.
Above-mentioned BBU establishes the passage that the WLAN terminal accesses the core net, to cause the WLAN terminal to access institute
After stating core net, in addition to：The BBU sends charging request message and gives WLAN aaa servers；Receiving the WLAN
After aaa server responds the message of the charging request message, the BBU is every predetermined period by the charging of the WLAN terminal
Information is sent to the WLAN aaa servers, to carry out charging to the WLAN terminal by the WLAN aaa servers.
Above-mentioned BBU establishes the passage that the WLAN terminal accesses the core net, to cause the WLAN terminal to access institute
After stating core net, in addition to：Whether BBU checks the WLAN terminal in the state for accessing the core net；If check
When the WLAN terminal is in the state for not accessing the core net, the BBU is interrupted as the described of WLAN terminal foundation
WLAN terminal accesses the passage of the core net.
According to a further aspect of the invention, there is provided a kind of device of WLAN and wireless cellular network fusion, positioned at wireless
In the baseband processing unit BBU of Cellular Networks, including：First sending module, for the authentication request for coming from WLAN terminal to be believed
Breath is transmitted to the core net of wireless cellular network；Second sending module, for the Authentication Response information of the core net will to be come from
The WLAN terminal is transmitted to, completes authentication of the core net to the WLAN terminal；First establishes module, for authenticating
By rear, the passage that the WLAN terminal accesses the core net is established so that the WLAN terminal accesses the core net.
According to a further aspect of the invention, there is provided the device of another WLAN and wireless cellular network fusion, positioned at nothing
In the baseband processing unit BBU of line Cellular Networks, including：In the baseband processing unit (BBU) of wireless cellular network, including：The
Three sending modules, for it is determined that access wireless cellular network core net WLAN terminal without certification after, by the institute of reception
The authentication information for stating WLAN terminal is transmitted to the authenticating device of wireless cellular network；Second establishes module, for believing in the certification
After ceasing the certification by the authenticating device, the passage that the WLAN terminal accesses the core net is established so that the WLAN
Core net described in terminal access.
By the present invention, interacted using the BBU transfers WLAN terminal in wireless cellular network with core net or gateway device
Message is solved in correlation technique, WLAN is only that meromixis does not have with Cellular Networks to complete to authorize the technological means accessed
Fusion completely, and the technical problems such as WLAN and Cellular Networks integration program cost be higher, and then WLAN and Cellular Networks
The effect of fusion cost completely between two networks of fusion and reduction.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation according to the WLAN of correlation technique and the integration program 1 of Cellular Networks；
Fig. 2 is the structural representation according to the WLAN of correlation technique and the integration program 2 of Cellular Networks；
Fig. 3 is the method flow diagram merged according to the WLAN and wireless cellular network of the embodiment of the present invention 1；
Fig. 4 is the schematic network structure merged according to the WLAN and wireless cellular network of the embodiment of the present invention 1；
Fig. 5 is the structured flowchart according to the WLAN and wireless cellular network of the embodiment of the present invention 1 device merged；
Fig. 6 is the schematic flow sheet according to the WLAN and wireless cellular network of the embodiment of the present invention 2 method merged；
Fig. 7 is the method flow diagram merged according to the WLAN and wireless cellular network of the embodiment of the present invention 3；
Fig. 8 is the schematic network structure merged according to the WLAN and wireless cellular network of the embodiment of the present invention 3；
Fig. 9 is the structured flowchart according to the WLAN and wireless cellular network of the embodiment of the present invention 3 device merged；
Figure 10 is the schematic flow sheet according to the WLAN and wireless cellular network of the embodiment of the present invention 4 method merged.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
In the following examples, communication can be realized by the combination of wireless connection or wired connection or both,
The present invention is not limited this.
Embodiment 1
Fig. 3 is the method flow diagram merged according to the WLAN and wireless cellular network of the embodiment of the present invention 1.As shown in figure 3, should
Method includes：
Step S302, the baseband processing unit BBU of wireless cellular network turn the authentication request information for coming from WLAN terminal
Issue the core net of wireless cellular network；
The Authentication Response information for coming from the core net is transmitted to the WLAN terminal by step S304, BBU, to complete
Authentication of the core net to the WLAN terminal；
Step S306, after authentication passes through, the BBU establishes the passage that the WLAN terminal accesses the core net, with
So that the WLAN terminal accesses the core net.
By above-mentioned processing procedure, because the BBU that make use of wireless cellular network completes authentication of the core net to WLAN terminal
And after authentication passes through so that WLAN terminal can access the technological means of the core net, i.e., merged in WLAN and Cellular Networks
During make use of the network element devices of Cellular Networks, it is thereby achieved that the depth integration of WLAN and Cellular Networks.Further, since do not have to
Increase extra equipment, fusion cost is also reduced relative to integration program of the prior art.
From step S302 and step S304 as can be seen that BBU mainly complete be two authorizing procedures conversion, one
WLAN certification, one be Cellular Networks certification.That is BBU plays a part of a terminal, specifically in authentication process
Ground：In authentication process, BBU is responsible for gathering the authentication information of WLAN terminal (User Equipment, referred to as UE), and envelope changes into honeybee
Nest net authenticates message format, sends to core net；The authentication message that core net issues, BBU extraction information, envelope change into EAP-SIM/
AKA messages are sent to WLAN UE.
Above-mentioned steps S306 can use following processing procedure to realize in specific application：(authenticated after the completion of access
By rear), BBU transfer messages between WLAN UE and 3G core nets.What is transmitted between WLAN UE and WLANAP is 802.11
Message；WLAN AP change into 802.3 message formats by 802.11 and reach BBU；BBU extracts payload, and encapsulates 2G/3G headings
Afterwards, it is sent to core net.
Before the authentication information for coming from WLAN terminal is transmitted to the core net of wireless cellular network by BBU described in configuration
BBU is managed to WLAN AP：I.e. after BBU determines certifications of the WLAN AP by the BBU, BBU can be to the WLAN
AP is managed (such as edition upgrading etc.).In specific application, WLAN AP can specifically include following spy in fusion process
Sign：It is directly connected to by netting twine and BBU, WLANAP is responsible for providing WLAN wireless access.It can be seen that from above-mentioned processing procedure
BBU can be managed to WLANAP, including the function such as certification to AP and edition upgrading, simulate WLAN to a certain extent
The function of Access Control (Access Controller, referred to as AC).
During of the invention one is preferable to carry out, the authentication request information that above-mentioned BBU will come from WLAN terminal turns
The core net of wireless cellular network is issued, can be realized by following processing procedure：The authentication request letter of BBU collection WLAN terminals
Breath, wherein, the authentication request information includes：The identification information of the WLAN terminal；BBU is by the identification information
The message of the authentication message format of wireless cellular network is packaged into, and the message of encapsulation is sent to the equipment of the core network, with hair
Play authentication request.
In above-mentioned authentication process, above-mentioned steps S304 is that BBU turns the Authentication Response information for coming from the core net
The WLAN terminal is issued, can be real by following processing procedure to complete authentication of the core net to the WLAN terminal
It is existing：BBU obtains the authentication parameter of the WLAN terminal from the authentication response message；The BBU seals the authentication parameter
The message of the authentication message format of wireless cellular network is dressed up, and the message of encapsulation is sent to the equipment of the core network；In core
When net determines that the authentication parameter that receives is consistent with the authentication parameter that it is preserved, the BBU successful message of transmission authentication to
The WLAN terminal.
It is that the WLAN terminal establishes the WLAN terminal access core in BBU in order to avoid running the waste of resource
The passage of heart net, can also following processing procedure after make it that the WLAN terminal accesses the core net：BBU detects institute
State the state that WLAN terminal accesses the core net；If detecting, the WLAN terminal is in the state for not accessing the core net
When, the BBU interrupts the passage that the WLAN terminal accesses the core net.Above-mentioned processing procedure in specific application can be with table
It is now following processing procedure：When WLAN UE hang up Wifi connections or BBU detects wifi disconnectings, BBU needs to hang up
For the passage of its foundation.By above-mentioned processing procedure, the state of the core net is accessed due to WLAN terminal can be monitored in real time,
Therefore, avoid when WLAN UE do not access Cellular Networks, caused by network element (such as BBU) equipment uninterrupted operation of Cellular Networks
The wasting of resources.
From above-described embodiment as can be seen that above-mentioned integration program is mainly carried out on hardware to Cellular Networks BBU function
Improve (referring to Fig. 4), due to no increase extras, it is only necessary to upgrade software, therefore reduce fusion cost.
A kind of device of WLAN and wireless cellular network fusion is additionally provided in the present embodiment, and the device is located at radio honeycomb
In the BBU of net, the device is used to realize above-described embodiment and preferred embodiment, has carried out repeating no more for explanation, under
It is related to module in the device to illustrate.As used below, term " module " can realize the soft of predetermined function
The combination of part and/or hardware.Although device described by following examples is preferably realized with software, hardware, or
The realization of the combination of software and hardware is also what may and be contemplated.Fig. 5 is the WLAN and wireless honeybee according to the embodiment of the present invention 1
The structured flowchart of the device of nest net fusion.It should be noted that the core net in the present embodiment can be understood as equipment of the core network.
As shown in figure 5, the device includes：
First sending module 50, it is connected with core net (equipment), for the authentication request information of WLAN terminal will to be come from
It is transmitted to the core net (equipment) of wireless cellular network；
Second sending module 52, it is connected with core net (equipment), for the Authentication Response for coming from the core net to be believed
Breath is transmitted to the WLAN terminal, to complete authentication of the core net to the WLAN terminal；
First establishes module 54, is connected with core net (equipment), is visited for after authentication passes through, establishing the WLAN terminal
The passage of the core net is asked, to cause the WLAN terminal to access the core net.
Embodiment 2
The present embodiment can be as a preferred embodiment of above-described embodiment 1.In the present embodiment, in Access Layer, WLAN
AP and BBU (Base BandUnit) are directly merged, and WLANAP can be built into inside BBU, can also be used general
WLAN AP, BBU is directly connected into by network interface.Upward from Access Layer, each network element and transmission for being multiplexed existing Cellular Networks completely are
System, therefore it is very low to merge cost.
BBU is in fusion process in the present embodiment, in addition to providing traditional wireless base station function, it is also necessary to completes such as
Lower function：
1st, a functional module for being similar to WLAN Access Controller is integrated, realizes the access to WLAN AP
The functions such as certification, edition upgrading, the keep-alive between WLAN UE and BBU and dhcp address distribution.
2nd, WLAN UE are accessed in the authentication process of cellular network, and BBU plays a terminal, BBU and WLAN UE
Between the authorizing procedure that transmits be EAP-SIM/AKA, and what is transmitted between BBU and core net is corresponding 2G/3G/4G authentications stream
Journey, BBU gather the information of needs in two authentication processes, are packaged into the message of corresponding flow, are sent to WLAN UE or core
Net.
3rd, after completing authentication, BBU initiates packet switch (Packet Switch, referred to as PS) domain grouped data association for UE
(Packet Data Protocol, referred to as PDP) activation process is discussed, after WLAN UE hang up WLAN connections, BBU is hung up
Corresponding Cellular Networks connection.
4th, when WLAN UE surf the Net, BBU is responsible for the transfer message between AP and core net, carries out envelope and turns mutually turning for form
Change.
In the present embodiment, general WLANAP accesses BBU by network interface, but WLANAP connects BBU using other modes, or
WLANAP is implanted directly into inside BBU as One function module, does not affect following function and flow.
Illustrated below so that wireless cellular network is using TD-SCDMA as an example, such as equipment of the core network uses GGSN, SGSN
Name, but describe function and flow to all wireless cellular network standards (include but is not limited to TDS-CDMA, GSM, Wimax,
UMTS, CDMA, LTE) all it is applicable.
As shown in fig. 6, the specific implementation process of the fusion method of the present embodiment is as follows：
Step S602, BBU complete the certification to AP, between use CAPWAP agreements (control and provisioning of wireless access points).
Step S604, WLAN UE are linked on WLANAP.
Step S606, UE initiate to start message (EAPoL-Start) to WLAN, initiate authentication request.
Step S608, BBU send request/mark message EAP-Request/Identity message to WLAN UE, ask UE
Reply its IMSI information.
Step S610, WLAN UE reply response/identity message (EAP-Response/Identity), send its user's body
Part identification information, contain IMSI information in identification information.
Step S612, BBU extraction IMSI information, initiates analog call, simulates 3G UE flow among these, and need
It is packaged into the form of corresponding 3G messages.
Step S614, SGSN ask authentication vector to HLR.
Step S616, HLR reply authentication vector.
Step S618, SGSN start authentication process, and the information such as RAND, AUTH is sent to BBU.
Step S620, BBU needs to capture the corresponding authentication information that SGSN is sent, and is configured to EAP-Request/AKA
Challenge is sent to UE.(when this process is noted that normal 3G callings, to the authentication message of SGSN transmissions, BBU is
UE is transparent to, will not capture and be handled.)
Parameters of step S622, the WLAN UE in EAP Request message, according to 3G algorithm, can recognize network
Card, network authentication calculate the parameters such as RES by rear, construct EAP-Response/AKA challenge, return back to BBU, its
The parameters such as middle carrying RES.
Step S624, BBU extraction authentication parameter, be engaged in support node (Serving to service universal packet wireless business
General packet radio service support node, referred to as SGSN) authentication be actuated for responding.
Step S626, SGSN compare RES and XRES, if both are equal, authentication passes through, and now SGSN replys to BBU
Authenticate successful message.
Step S628, BBU band WLAN UE activation PDP Contexts.
Step S630, BBU are replied to WLAN UE and are authenticated successful message (EAP-Success).
Step S632, BBU are responsible for giving WLAN UE distribution IP address.Normal communication is can be carried out afterwards, is communicated
Cheng Zhong, WLAN AP complete the conversion of 802.11 message formats and 802.3 message formats.BBU extracts the payload in 802.3 messages,
3G message formats are packaged into send.
Step S634, in communication process, EAP-SIM/AKA keep-alive flow is carried out, whether detection WLAN UE are connecing always
Enter.
In order to increase the flexibility of above-mentioned integration program, can also using the network elements such as the BBU of Cellular Networks and gateway device come
Realize merging for above-mentioned WLAN and Cellular Networks.Described in detail below with embodiment 3 and embodiment 4.
Embodiment 3
Fig. 7 is the method flow diagram merged according to the WLAN and wireless cellular network of the embodiment of the present invention 3.As shown in fig. 7, should
Method includes：
Step S702, it is determined that access wireless cellular network core net WLAN terminal without certification after, Base-Band Processing
The authentication information of the WLAN terminal of reception is transmitted to the gateway device of wireless cellular network by unit B BU；
Step S704, after the authentication information is by the certification of the gateway device, it is whole that the BBU establishes the WLAN
End accesses the passage of the core net, to cause the WLAN terminal to access the core net.
The network element (such as BBU and gateway device) in Cellular Networks, therefore, above-mentioned fusion are applied due to above-mentioned fusion process
Process has been deep into intra-cellular, makes two real-time performances depth integration, and due to hardware device need not be updated, section
Fusion cost is saved.
It is similar with embodiment 1, the authentication information for coming from WLAN terminal is transmitted to the core of wireless cellular network in BBU
The BBU is configured before net to be managed WLAN AP：I.e. after BBU determines certifications of the WLAN AP by the BBU, BBU
The WLANAP can be managed (such as edition upgrading etc.).
As can be seen that BBU is in verification process from step S702 and step S704, play a part of a terminal,
The authentication information of the WLAN terminal can be transmitted to the gateway device of wireless cellular network using various ways, such as directly turned
WLANAAA servers are issued, can be realized by following processing procedure：The BBU obtains the authentication information of the WLAN terminal；
The authentication information of acquisition is sent to WLAN authentication and authorization charging aaa servers by BBU, is recognized by WLAN aaa servers described
Card information is authenticated.The network structure of WLAN and wireless cellular network fusion with reference to shown in Fig. 8, above-mentioned processing procedure is specific
Using when can show as following processing procedure：BBU sends the authentication information including username and password by OMCB passages
To Network Management Equipment, message is the message of Radius forms, and after Network Management Equipment receives Radius messages, authentication information is forwarded to
LAN aaa servers, LAN aaa servers are authenticated to username and password, if certification is by sending certification success
Message the successful message of certification is sent to BBU by OMCB passages to webmaster, webmaster, now BBU know WLAN UE by into
Work(certification.
WLAN business is added to the online cost of radio honeycomb in order to reduce, establishing the WLAN terminal in BBU accesses
The passage of the core net, can also following processing procedure after make it that the WLAN terminal accesses the core net：BBU
Send charging request message and give WLAN aaa servers；Disappear receiving the WLAN aaa servers response accounting request
After the message of breath, the charge information of the WLAN terminal is sent to the WLANAAA every predetermined period and serviced by the BBU
Device, to carry out charging to the WLAN terminal by the WLAN aaa servers.In above-mentioned processing procedure, pass through wireless honeybee
WLAN aaa servers in nest net carry out charging to the WLAN terminal for accessing core net, are superimposed WLAN business so as to reduce
The cost online to radio honeycomb, above-mentioned processing procedure can show as following processing procedure in specific application：For charging
Flow, BBU initiation account start messages to WLAN aaa servers, after WLAN aaa servers respond account start message,
The charge information (for example, the information such as flow, duration) of WLAN terminal is sent to WLAN aaa servers by BBU timings, to realize
Charging is carried out to the WLAN terminal for accessing core net in real time.
It is that the WLAN terminal establishes the WLAN terminal access core in BBU in order to avoid running the waste of resource
The passage of heart net, can also following processing procedure after make it that the WLAN terminal accesses the core net：BBU checks institute
WLAN terminal is stated whether in the state for accessing the core net；If checking that the WLAN terminal is in does not access the core
During the state of net, the BBU interrupts the passage that the WLAN terminal established for the WLAN terminal accesses the core net.On
Following processing procedure can be shown as in specific application by stating processing procedure：When WLAN UE hang up Wifi connections or BBU detections
During to wifi disconnectings, BBU needs to hang up the passage for its foundation.By above-mentioned processing procedure, due to that can monitor in real time
WLAN terminal accesses the state of the core net, therefore, avoids when WLAN UE do not access Cellular Networks, the network element of Cellular Networks
(such as BBU) equipment pays no attention to the wasting of resources caused by disconnected operation.
A kind of device of WLAN and wireless cellular network fusion is additionally provided in the present embodiment, and the device is located at radio honeycomb
In the BBU of net, the device is used to realize above-described embodiment and preferred embodiment, has carried out repeating no more for explanation, under
It is related to module in the device to illustrate.As used below, term " module " can realize the soft of predetermined function
The combination of part and/or hardware.Although device described by following examples is preferably realized with software, hardware, or
The realization of the combination of software and hardware is also what may and be contemplated.Fig. 9 is the WLAN and wireless honeybee according to the embodiment of the present invention 3
The structured flowchart of the device of nest net fusion.It should be noted that the core net in the present embodiment can be understood as equipment of the core network.
As shown in figure 9, the device includes：
3rd sending module 90, it is connected with authenticating device 94, for it is determined that accessing the core net of wireless cellular network
After WLAN terminal is without certification, the authentication information of the WLAN terminal of reception is transmitted to the authenticating device of wireless cellular network
94；
Second establishes module 92, is connected with authenticating device 94, for passing through the authenticating device 94 in the authentication information
Certification after, establish the passage that the WLAN terminal accesses the core net so that the WLAN terminal accesses the core net.
Embodiment 4
The present embodiment can be as a preferred embodiment of above-described embodiment 3.In the present embodiment, in Access Layer, WLAN
AP and BBU (Base BandUnit) are directly merged, and WLANAP can be built into inside BBU, can also be used general
WLAN AP, BBU is directly connected into by network interface.Upward from Access Layer, each network element and transmission for being multiplexed existing Cellular Networks completely are
System, therefore it is very low to merge cost.
BBU is in fusion process in the present embodiment, in addition to providing traditional wireless base station function, it is also necessary to completes such as
Lower function：
1st, a functional module for being similar to WLAN Access Controller is integrated, realizes the access to WLAN AP
Certification, edition upgrading, the keep-alive between WLAN UE and BBU and DHCP (Dynamic Host
Configure Protocol, referred to as DHCP) address distribution etc. function.
2nd, the functional module of similar Portal server, when user access network is not by authentication, push is forced
Portal certification pages are to WLAN UE.
3rd, the functional module of radio honeycomb calling is simulated.
In the present embodiment, general WLANAP accesses BBU by network interface, but WLANAP connects BBU using other modes, or
WLANAP is implanted directly into inside BBU as One function module, does not affect following function and flow.
Illustrated below so that wireless cellular network is using TD-SCDMA as an example, such as equipment of the core network uses GGSN, SGSN
Name, but describe function and flow to all wireless cellular network standards (include but is not limited to TDS-CDMA, GSM, Wimax,
UMTS, CDMA, LTE) all it is applicable.
As shown in Figure 10, the specific implementation process of the fusion method of the present embodiment is as follows：
Step S1002, BBU complete the certification to AP, between use CAPWAP agreements.
Step S1004, WLAN UE are linked on WLANAP.
Step S1006, BBU are that WLAN UE distribute IP address.
Step S1008, WLAN UE send online request.
Step S1010, if BBU has found that this WLAN UE does not pass through certification, force push portal certification pages
To WLAN UE.
User name password is inserted portal page by step S1012, WLAN UE using the user name password applied in advance
Face, it is sent to BBU.
Username and password is sent to gateway device by step S1014, BBU by OMCB passages, and message is Radius reports
Text.
Step S1016, after Network Management Equipment receives Radius messages, it is forwarded to WLANAAA Server (server).
Step S1018, WLAN AAA Server are authenticated to username and password, if certification is by the way that transmission is recognized
Successful message is demonstrate,proved to webmaster.
The successful message of certification is sent to BBU by step S1020, webmaster by OMCB passages.
Step S1022, now BBU know that WLAN UE are authenticated successfully, for this WLAN UE initiate an analog call, this
When use a false SIM information, the purpose of analog call is that WLAN UE establish a ps domain passage for this.
Step S1024, after analog call success, BBU sends authentication result to WLAN UE, and now WLAN UE cans are led to
Cross Cellular Networks and access network.
Step S1026, for charging flow, BBU initiates account start message and responds account start message to AAA, AAA,
Charge information (flow, duration etc.) is sent to AAA by BBU timings afterwards.Surfed the Net for WLAN UE, BBU needs accordingly to be reported
The conversion of literary form, extraction AP come the payload of message, are packaged into Cellular Networks message format, are interacted between core net.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored
Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein
The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or
Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
Especially it is not limited to the standard of various mobile cellular nets.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (12)
1. a kind of WLAN WLAN and the method for wireless cellular network fusion, it is characterised in that including：
The authentication request information for coming from WLAN terminal is transmitted to wireless cellular network by the baseband processing unit BBU of wireless cellular network
Core net；
The Authentication Response information for coming from the core net is transmitted to the WLAN terminal by the BBU, completes the core net
To the authentication of the WLAN terminal；
After authentication passes through, the BBU establishes the passage that the WLAN terminal accesses the core net so that the WLAN terminal
Access the core net.
2. according to the method for claim 1, it is characterised in that the BBU turns the authentication information for coming from WLAN terminal
Before the core net for issuing wireless cellular network, in addition to：
The BBU determines certifications of the WLAN access points AP by the BBU, so that the BBU carries out pipe to the WLAN AP
Reason.
3. according to the method for claim 1, it is characterised in that the BBU believes the authentication request for coming from WLAN terminal
Breath is transmitted to the core net of wireless cellular network, including：
The BBU gathers the authentication request information of the WLAN terminal, wherein, the authentication request information includes：The WLAN
The identification information of terminal；
The identification information is packaged into the message of the authentication message format of wireless cellular network by the BBU, and by encapsulation
Message is sent to the equipment of the core network, to initiate authentication request.
4. according to the method for claim 1, it is characterised in that the BBU will come from the Authentication Response of the core net
Information is transmitted to the WLAN terminal, to complete authentication of the core net to the WLAN terminal, including：
The BBU obtains the authentication parameter of the WLAN terminal from the authentication response message；
The authentication parameter is packaged into the message of the authentication message format of wireless cellular network by the BBU, and by the message of encapsulation
It is sent to the equipment of the core network；
When the core net determines that the authentication parameter of reception is consistent with the authentication parameter that it is preserved, the BBU sends mirror
Successful message is weighed to the WLAN terminal.
5. according to the method for claim 1, it is characterised in that the BBU establishes the WLAN terminal and accesses the core
The passage of net, after make it that the WLAN terminal accesses the core net, in addition to：
The BBU detects the state that the WLAN terminal accesses the core net；
If detect that the WLAN terminal is in the state for not accessing the core net, the BBU interrupts the WLAN terminal
Access the passage of the core net.
6. a kind of WLAN WLAN and the method for wireless cellular network fusion, it is characterised in that including：
It is determined that access wireless cellular network core net WLAN terminal without certification after, baseband processing unit BBU will be received
The authentication information of the WLAN terminal be transmitted to the authenticating device of wireless cellular network；
After the authentication information is by the certification of the authenticating device, the BBU establishes the WLAN terminal and accesses the core
The passage of heart net, to cause the WLAN terminal to access the core net.
7. according to the method for claim 6, it is characterised in that the authentication information of the WLAN terminal is sent to wireless honeybee
Before the gateway device of nest net, in addition to：
The BBU determines certifications of the WLAN access points AP by the BBU, the BBU is managed the WLAN AP.
8. according to the method for claim 6, it is characterised in that the authentication information of the WLAN terminal is transmitted to wireless honeybee
The gateway device of nest net, including：
The BBU obtains the authentication information of the WLAN terminal；
The authentication information of acquisition is sent to WLAN authentication and authorization charging aaa servers by the BBU, is taken by the WLAN AAA
Business device is authenticated to the authentication information.
9. according to the method for claim 6, it is characterised in that the BBU establishes the WLAN terminal and accesses the core
The passage of net, after make it that the WLAN terminal accesses the core net, in addition to：
The BBU sends charging request message and gives WLAN aaa servers；
After the message of the WLAN aaa servers response charging request message is received, the BBU is every default week
The charge information of the WLAN terminal is sent to the WLAN aaa servers by the phase, to pass through the WLAN aaa servers pair
The WLAN terminal carries out charging.
10. according to the method for claim 6, it is characterised in that the BBU establishes the WLAN terminal and accesses the core
The passage of net, after make it that the WLAN terminal accesses the core net, in addition to：
Whether the BBU checks the WLAN terminal in the state for accessing the core net；
If check that the WLAN terminal is in the state for not accessing the core net, the BBU was interrupted as WLAN ends
The WLAN terminal that end is established accesses the passage of the core net.
11. a kind of WLAN WLAN and the device of wireless cellular network fusion, positioned at the baseband processing unit of wireless cellular network
In BBU, it is characterised in that including：
First sending module, for the authentication request information for coming from WLAN terminal to be transmitted to the core net of wireless cellular network；
Second sending module, for the Authentication Response information for coming from the core net to be transmitted into the WLAN terminal, complete
Authentication of the core net to the WLAN terminal；
First establishes module, the passage of the core net is accessed for after authentication passes through, establishing the WLAN terminal so that institute
State WLAN terminal and access the core net.
12. a kind of WLAN WLAN and the device of wireless cellular network fusion, positioned at the baseband processing unit of wireless cellular network
In BBU, it is characterised in that including：
3rd sending module, for it is determined that access wireless cellular network core net WLAN terminal without certification after, will connect
The authentication information for the WLAN terminal received is transmitted to the authenticating device of wireless cellular network；
Second establishes module, after in the authentication information by the certification of the authenticating device, establishes the WLAN terminal
Access the passage of the core net so that the WLAN terminal accesses the core net.
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| CN113411812B (en) * | 2020-03-16 | 2024-04-12 | 中国联合网络通信集团有限公司 | Communication equipment survival method and device, storage medium and electronic equipment |
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| CN101150594A (en) * | 2007-10-18 | 2008-03-26 | 中国联合通信有限公司 | An integrated access method and system for mobile cellular network and WLAN |
| CN101400187A (en) * | 2007-09-24 | 2009-04-01 | 中兴通讯股份有限公司 | Management method for remote radio frequency unit of multiple vendors |
| CN101707773A (en) * | 2009-11-23 | 2010-05-12 | 中国电信股份有限公司 | Method and system for fusing WLAN access gateway, mobile network and wireless broadband network |
| CN102164390A (en) * | 2011-03-07 | 2011-08-24 | 北京新岸线无线技术有限公司 | Realization method, system and device for heterogeneous convergence of cellular network and wireless local area network |
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| CN101400187A (en) * | 2007-09-24 | 2009-04-01 | 中兴通讯股份有限公司 | Management method for remote radio frequency unit of multiple vendors |
| CN101150594A (en) * | 2007-10-18 | 2008-03-26 | 中国联合通信有限公司 | An integrated access method and system for mobile cellular network and WLAN |
| CN101707773A (en) * | 2009-11-23 | 2010-05-12 | 中国电信股份有限公司 | Method and system for fusing WLAN access gateway, mobile network and wireless broadband network |
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