CN101860942A - Method for distinguishing terminal access mode - Google Patents
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- CN101860942A CN101860942A CN 201010187506 CN201010187506A CN101860942A CN 101860942 A CN101860942 A CN 101860942A CN 201010187506 CN201010187506 CN 201010187506 CN 201010187506 A CN201010187506 A CN 201010187506A CN 101860942 A CN101860942 A CN 101860942A
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Abstract
The invention discloses a method for distinguishing a terminal access mode, which comprises the following steps of: setting a mapping table in a mobile core network to store mapping between different access networks and access codes; establishing a data link between a terminal and the mobile core network through the access networks; writing the access codes corresponding to the access networks into the terminal through the access networks and forwarding the access codes into the message of the mobile core network through the access networks; and determining which access network the terminal is accessed to the core network by reading the codes in the message through the mobile core network. The method has the advantages of simple technical scheme, realization of distinguishing the access mode and controlling the service type on the premises of performing minimum reform on the core network equipment and preventing affecting the conventional service in a convergence network, realization of differentiated charging method and unified charging bill under the condition that a user adopts different access modes, and capability of expanding different service types and realizing precise service operation and control according to the service operation requirements.
Description
[technical field]
The present invention relates to the telecommunications basic network field in the communication technology, relate in particular to a kind of method and network architecture of distinguishing terminal access mode.
Standard specification definition for 3GPP2 and RFC in this area all adopts English, for the narration that makes this patent and the normalized definition of standard adapt, therefore the description to interacting message all is the English narration of having quoted in the standard specification definition of corresponding 3GPP2 and RFC in this patent narration and the accompanying drawing, and has provided explanation in Chinese in position.
Terminal employing SIP signaling is accomplished to the access procedure of wlan network, also can adopt the signaling format of other International Standards Organization's definition.
[background technology]
The application of FMC (admittedly moving fusion) technology under the 3GPP2 network architecture; mainly be to use the wireless lan (wlan) access technology by the user who uses WLAN (wireless local area network) single mode or CDMA/WLAN multimode terminal (comprising data card, mobile phone or PDA); use same UIM card and mobile number; insert the CDMA mobile core network and realize unified certification and obtain the mobile service service, realize mobile services such as voice, short message and grouped data.
The WLAN access technology can solve the bandwidth cost height of cdma wireless network, the bad shortcoming of indoor covering, for the user obtains the high-speed mobile business, for operator provides the differentiated business solution as a kind of access way that inserts the CDMA mobile core network.Dispose the WLAN accessing gateway equipment at WLAN Access Network and CDMA core net border, difference to CDMA core net shielding wireless access network, make the user need not the access way difference that perception is adopted, obtain consistent business experience, realize unified number, unified certification, unified professional and unified the charging by a terminal.
Concerning operator, existing C DMA core net is huge and complicated, introduces the WLAN access service on existing network infrastructure, and original network operation and maintenance inevitably can be impacted and influence.
Except passing through to introduce this equipment of WLAN IAD at Access Network and core net border, outside the difference of shielding WLAN access network, reduce the transformation requirement and the retrofit work amount of mobile core network as far as possible, make operator to spend to try one's best few cost, release the WLAN access service fast, provide the mobile service service extremely important to operator's Disposition ﹠ Operation UNE.
Determine that terminal is to insert core net in which way, thereby distinguish the different business under the various patterns such as WLAN access module and non-WLAN access module, finish professional control and differentiated charging, associated description and definition are arranged in the 3GPP2 standard is not seen at present, and industry is not seen yet concrete commercial case.
[summary of the invention]
Technical problem to be solved by this invention is, a kind of method of distinguishing terminal access mode is provided, and can distinguish multiple access modules such as comprising WLAN access module and non-WLAN access module, finishes professional control and differentiated charging.
In order to address the above problem, the invention provides a kind of method of distinguishing terminal access mode, comprise the steps: a mapping table is set in mobile core network, store the mapping between different Access Networks and the access code; Terminal is set up data link by Access Network with mobile core network; Access Network writes terminal with the access code of self correspondence and is forwarded in the message of mobile core network by Access Network; Mobile core network determines by reading code contained in the message this terminal accesses to core net by which kind of Access Network.
As optional technical scheme, described Access Network is selected from a kind of in WLAN (wireless local area network) and the mobile Access Network, especially adopts the WLAN (wireless local area network) or the mobile Access Network of WiFi access technology (802.11 series standard), WiMax access technology (802.16 series standard) and bluetooth access technology (Buletooth).
As optional technical scheme, each Access Network all distributes one or more different codes, and be stored in service option field in the interface message, further comprise different service types in the same Access Network in the described mapping table and insert mapping between the code, each type of service in each Access Network is all distributed one or more different codes.
As optional technical scheme, in core net, adopt the identical services of same network element or the different Access Networks of module management, described business comprises packet switch domain service and circuit domain business.
As optional technical scheme, the message that Access Network is sent to Access Network with terminal is carried out the signaling protocol conversion, and the access code of Access Network correspondence is write message after the conversion, and the message that will carry out again after the signaling protocol conversion is sent to mobile core network.
The invention has the advantages that:
1, technical scheme is simple, in UNE, equipment of the core network is being done under the minimum prerequisite of transforming, and realizes distinguishing access way and type of service control under the prerequisite that does not influence existing business;
2, accomplished that the user adopts the charging method of the differentiation under the different access waies and unified charging bill;
3, can expand different types of service according to the service operation needs, realize professional lean operation control.
[description of drawings]
Accompanying drawing 1 is the schematic diagram of the network architecture that adopts of the specific embodiment of the present invention;
Accompanying drawing 2 is implementation step schematic diagrames of the described method of the specific embodiment of the present invention.
[embodiment]
Next in conjunction with the accompanying drawings the embodiment of the method for distinguishing terminal access mode of the present invention is made a detailed description.
It shown in the accompanying drawing 1 schematic diagram of the network architecture that adopts of this embodiment, comprise mobile core network, present embodiment is CDMA core net 10, a plurality of dissimilar Access Network, present embodiment is with CDMA Access Network 20 and 30 expressions of WLAN Access Network, and access terminal, present embodiment is with a plurality of terminal 40 expressions, and WLAN Access Network 30 accesses to CDMA mobile core network 10 by WLAN IAD 31.
It is that example is illustrated summary of the invention of the present invention that present embodiment exists CDMA Access Network 20 and WLAN Access Network 30 for 10 times simultaneously with the CDMA mobile core network, but be not limited to cdma network and WLAN Access Network 30, for the other types network, also can be when carrying out the management of dissimilar Access Networks with reference to execution.
WLAN Access Network 30 accesses to CDMA mobile core network 10 by WLAN IAD 31, by WLAN IAD 31 packet switch domain service of terminal is converged to group data service node (PDSN, not shown), circuit domain business such as user's voice, note are converged in Mobile Switching Center Server and the media gateway (MSC or MSCe and MGW, not shown).This makes the user adopt the WLAN mode to insert and use the CDMA mode to insert, and in CDMA mobile core network 10 sides unified service control point and charging point is arranged.
PDSN and MSC/MSCe had both handled the access of CDMA user by CDMA Access Network 20, also handled WLAN user and inserted by WLAN Access Network 30, used consistent message format between PDSN and MSC/MSCe and different access network equipment.
Be the implementation step schematic diagram of the described method of this embodiment shown in the accompanying drawing 2, comprise the steps:
Step S11 is provided with a mapping table in mobile core network, store the mapping between different Access Networks and the access code.
In the present embodiment, select the business option in the interface message (Service Option) field (the 3GPP2 standard is obedient in the definition of this field) is inserted as storage the field of code.For WLAN Access Network 30, this field will extend this as undefined value in the 3GPP2 agreement, and the span of the Service Option of CDMA Access Network 20 then is obedient to the 3GPP2 normalized definition, thereby both are made a distinction.
For example: 3GPP2 A.S0008-C_v1.0_070801 standard is as follows to the segmentation of Service Option to CDMA:
for?1x?Systems＝[8000H(13K?speech)
0011H(13K?high?rate?voice?service)
0003H(EVRC)
003EH(Wideband?Speech?Codec)
801FH(13K?Markov)
0009H(13K?Loopback)
0004H(Async?Data?Rate?Set?1)
000CH(Async?Data?Rate?Set?2)
0005H(G3Fax?Rate?Set?1)
000DH(G3Fax?Rate?Set?2)
0006H(SMS?Rate?Set?1)
000EH(SMS?Rate?Set?2)
0021H(3G?High?Speed?Packet?Data)
0012H(OTAPA?Rate?Set?1)
0013H(OTAPA?Rate?Set?2)
0025H(ISDN?Interworking?Service)
0020H(TDSO)
0036H(IS-2000?Markov)
0037H(IS-2000?Loopback)
0023H(PDS?Rate?Set?1)
0024H(PDS?Rate?Set?2)
0038H(SMV)
0039H(32?kbps?Circuit?Switched?Video?Conferencing)
003AH(64?kbps?Circuit?Switched?Video?Conferencing)
003BH(HRPD?Packet?Data；page?response?not?required)
0045H(HRPD?Packet?Data；page?response?required)]
for?HRPD?Systems＝[8000H(13K?speech)
0011H(13K?high?rate?voice?service)
0003H(EVRC)
003EH(Wideband?Speech?Codec)]
CDMA packet domain ticket example is as follows, and wherein field 3GPP2_SO is business option ServiceOption.
3GPP2_BSID＝3613FFFF0051
3GPP2_Comp_Flag＝no?tunnel
3GPP2_IP_Tech＝Simple?IP
3GPP2_PCF?IP_Addr＝192.168.51.49
3GPP2_R-P_Session_ID＝385875990
3GPP2_SO＝33
Acct-Authentic＝RADIUS
Acct-Delay-Time＝0
Acct-Session-Id＝GFD000BY
Acct-Status-Type＝Start
Always?ON?Attribute＝Inactive
Beginning?Session＝True
Calling-Station-Id＝460031007891010
Correlation_Id＝GED000Do
Event_Timestamp＝1247038083
Framed-IP-Address＝10.27.5.13
NAIFlag＝000
NAS-Identifier＝ZXPDSS
NAS-IP-Address＝192.168.51.51
NAS-Port＝2
NAS-Port-Type＝CDMA2000
Net-Element-Type＝0
PaidType＝1
RoamingFlag＝0
ServiceReferenceID＝0x0104000102040001
UserName＝card
Simultaneously between WLAN IAD 31 and the CDMA mobile core network 10 the interactive messages form still and the message format between CDMA Access Network 20 and the CDMA core net 10 be consistent, thereby avoid a large amount of changes are made in the setting of network.
In other execution mode, the field that also can select other comprises the various access way of WLAN and CDMA as the memory location of inserting code with difference.
No matter adopt which kind of field as storage or there is which kind of access way, it is the same to be similar to present embodiment, guaranteeing under the prerequisite of the network standard that has existed, utilizing the reserve part of normalized definition and undefined part that other access way is distinguished.
Further, the value that can also divide the access code that a certain access way distributes is used to distinguish the different service types under this access way, make CDMA mobile core network 10 equipment to realize management functions such as corresponding business control strategy and charging control, unified charging bill according to inserting code.
For example under the WLAN access way, can repartition Service Option field as follows:
For WLAN Systems=[8200H (G.711 speech coding)
8201H (G.723 speech coding)
8202H (G.729 speech coding)
8203H (circuit domain video calling)
8204H (short message)
8301H (background classes Packet Service)
8302H (interactive class Packet Service)
8303H (stream class class Packet Service)
8304H (conversation class Packet Service)
…...]
Step S12, terminal is set up data link by Access Network with mobile core network.
No matter this step is cdma network or other the various types of networks in the present embodiment, all is obedient to the scheme that known technology comprised in this area, repeats no more.For the WLAN of present embodiment, terminal is pooled in the CDMA core net 10 by WLAN IAD 31.
Step S13, Access Network writes terminal with the access code of self correspondence and is forwarded in the message of mobile core network by Access Network.
In this embodiment, Access Network is also further brought into play the effect of signaling protocol conversion, be about to the message that terminal is sent to Access Network and carry out the signaling protocol conversion, and the access code of Access Network correspondence write message after the conversion, the message that will carry out again after the signaling protocol conversion is sent to mobile core network.
Terminal is if the business of initiating by WLAN Access Network 30, and then the service link that is accomplished to mobile core network 10 by WLAN IAD 31 is set up process.Interface message between WLAN IAD 31 and PDSN and MSC/MSCe still is obedient to the 3GPP2 standard, carries ServiceOption (business option) field in the interface message.
Terminal is if the business of initiating from CDMA Access Network 20, and then rule of communication still is obedient to the content of existing 3GPP2 defined, and the value of Service Option field also is in the defined scope of 3GPP2 naturally, repeats no more herein.
Step S14, mobile core network determines by reading code contained in the message this terminal accesses to core net by which kind of Access Network.
In the operation flow, terminal is if pass through the business that WLAN Access Network 30 is initiated, WLAN IAD 31 can send Service Option field information to the MSC/MSCe and the PDSN equipment of mobile core network 10, MSC/MSCe and PDSN are different according to Service Option field value, can judge terminal is to insert by the WLAN mode, and further judge types of service different when inserting by the WLAN mode, thereby can implement different professional control devices, include but not limited to QoS control, traffic measurement control, authentication and encryption control, value-added service realization etc.
Terminal is if the business of initiating from CDMA Access Network 20, and mobile core network 10 also can adopt similar method to judge the access way and the type of service of terminal.
PDSN in the CDMA core net 10 and MSC/MSCe had both handled the access of CDMA user by CDMA Access Network 20, also handling WLAN user inserts by WLAN Access Network 30, use consistent message format between PDSN and MSC/MSCe and different access network equipment, distinguish different access waies and type of service according to the difference of ServiceOption field.
Do not influence that the user inserts the business control of core net 10 by the CDMA mode and the prerequisite of chargeing under, core net 10 equipment can be realized the following management to the WLAN access way:
QoS control: in precedent, Service Option=8303H, be designated as the packet domain stream class service, after PDSN identifies this type of service, can implement Qos (service quality) control of stream class service correspondence, make the user realize that through WLAN Access Network 30 and the mutual Business Stream of PDSN the Qos of stream class service ensures.
Access permission control:
If do not permit the supplementary service of initiating voice class by WLAN Access Network 30 in user's the CAMEL-Subscription-Information.When this user sets up the voice conference call business by 31 requests of WLAN IAD, WLAN IAD 31 sends user's service access information to MSC/MSCe, it is after the voice conference call type of service under the WLAN that the Service Option that MSC/MSCe carries according to the user identifies, and returns refusal or failure to the user.
Charge and control:
Because the Service Option under the WLAN access way has different values with the ServiceOption under the CDMA access way, therefore charge system is according to the Service Option field in the ticket, can distinguish the WLAN mode and insert user's ticket when inserting, be implemented in set meals different under the different access waies and rate with CDMA.
Certainly, for CDMA Access Network 20, owing to itself be exactly the supporting Access Network of CDMA core net 10, so its management function can be obedient to the standard of existing protocols such as 3GPP2, and its function is more perfect, repeats no more herein.
Service Option value under the WLAN access way listed above and professional control and charging only are the explanations of certain applications example.As long as without prejudice to spirit of the present invention, other realizes professional control and charges being considered as protection scope of the present invention to the terminal that adopts different access waies and insert according to the value of certain or some fields.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. the method for a distinguishing terminal access mode is characterized in that, comprises the steps:
One mapping table is set in mobile core network, stores the mapping between different Access Networks and the access code;
Terminal is set up data link by Access Network with mobile core network;
Access Network writes terminal with the access code of self correspondence and is forwarded in the message of mobile core network by Access Network;
Mobile core network determines by reading code contained in the message this terminal accesses to core net by which kind of Access Network.
2. the method for distinguishing terminal access mode according to claim 1 is characterized in that, described Access Network is selected from a kind of in WLAN (wireless local area network) and the mobile Access Network.
3. the method for distinguishing terminal access mode according to claim 1 and 2 is characterized in that, each Access Network all distributes one or more different codes, and is stored in the service option field in the interface message.
4. the method for distinguishing terminal access mode according to claim 3, it is characterized in that, further comprise different service types in the same Access Network in the described mapping table and insert mapping between the code, each type of service in each Access Network is all distributed one or more different codes.
5. the method for distinguishing terminal access mode according to claim 1 and 2 is characterized in that, adopts the identical services of same network element or the different Access Networks of module management in core net.
6. the method for distinguishing terminal access mode according to claim 5 is characterized in that, described business comprises packet switch domain service and circuit domain business.
7. the method for distinguishing terminal access mode according to claim 1, it is characterized in that, Access Network carries out the signaling protocol conversion with the message that terminal is sent to Access Network, and the access code of Access Network correspondence write message after the conversion, the message that will carry out again after the signaling protocol conversion is sent to mobile core network.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102858032A (en) * | 2011-06-30 | 2013-01-02 | 上海中铁通信信号国际工程有限公司 | Urban wireless access platform |
| WO2014173129A1 (en) * | 2013-04-27 | 2014-10-30 | Tencent Technology (Shenzhen) Company Limited | Mobile terminal flow identification method and apparatus |
| CN104639509A (en) * | 2013-11-14 | 2015-05-20 | ***通信集团公司 | Service processing method and device |
| US9544203B2 (en) | 2013-04-27 | 2017-01-10 | Tencent Technology (Shenzhen) Company Limited | Mobile terminal flow identification method and apparatus |
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| CN101170828A (en) * | 2007-11-23 | 2008-04-30 | 中兴通讯股份有限公司 | A method for identifying radio access technology |
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| CN101034933A (en) * | 2007-02-08 | 2007-09-12 | 北京航空航天大学 | Self-adaptive multi-address access method and central control node |
| CN101170828A (en) * | 2007-11-23 | 2008-04-30 | 中兴通讯股份有限公司 | A method for identifying radio access technology |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102858032A (en) * | 2011-06-30 | 2013-01-02 | 上海中铁通信信号国际工程有限公司 | Urban wireless access platform |
| WO2014173129A1 (en) * | 2013-04-27 | 2014-10-30 | Tencent Technology (Shenzhen) Company Limited | Mobile terminal flow identification method and apparatus |
| US9544203B2 (en) | 2013-04-27 | 2017-01-10 | Tencent Technology (Shenzhen) Company Limited | Mobile terminal flow identification method and apparatus |
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| CN104639509A (en) * | 2013-11-14 | 2015-05-20 | ***通信集团公司 | Service processing method and device |
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Application publication date: 20101013 |