CN103442404A

CN103442404A - Method, system and device for call routing

Info

Publication number: CN103442404A
Application number: CN2013103536143A
Authority: CN
Inventors: 杜亮; 李馨
Original assignee: Comba Telecom Systems China Ltd
Current assignee: Comba Network Systems Co Ltd
Priority date: 2013-08-14
Filing date: 2013-08-14
Publication date: 2013-12-11
Anticipated expiration: 2033-08-14
Also published as: CN103442404B

Abstract

The invention relates to the technical field of mobile communication, in particular to a method and system for call routing, a femtocell, a system gateway and a core network device. The method and system for the call routing, the femtocell, the system gateway and the core network device are used for providing a method for accurate routing for an emergency call. According to the method, an access network device confirms the operation that a user terminal accessing the femtocell initiates an emergency call, and the access network device transmits the location information of a macrocell corresponding to the femtocell accessed by the user terminal to the core network device, so that the core network device can establish a route for the emergency call according to the location information of the macrocell. By the adoption of the method, the core network device establishes the route for the emergency call according to the location information of the macrocell, and therefore the purpose that the route is established accurately through the emergence call initiated by the femtocell is achieved.

Description

A kind of method of call routing, system and equipment

Technical field

The present invention relates to the mobile communication technology field, relate in particular to a kind of method and system, Home eNodeB, system gateway and equipment of the core network of call routing.

Background technology

In mobile communication system, there are the dissimilar base stations such as macro base station and Home eNodeB.The position of macro base station is normally fixed, therefore for the user terminal in macro base station, and can be according to the approximate location of the estimation of the base station location under community, user terminal place user terminal.

Home eNodeB is a kind of radio communication base station in family or the use of small-sized public place, can be used for making up the deficiency that wireless communication system covers.Usually, the position of Home eNodeB is fixing (user can install or move Home eNodeB voluntarily) not, and equipment of the core network has no idea to locate the user terminal in Home eNodeB by the positional information of Home eNodeB.

Urgent call is a kind of calling of specific type, and in China, dialing 119,110,112 etc. calling such as the user is urgent call.Due to the particularity of urgent call, generally need to route the call to from the nearest urgent call processing center of user terminal of initiating this calling.When user terminal makes a call from traditional macrocell, equipment of the core network is estimated the position of user terminal according to the geographical position of macrocell, and then the urgent call of user terminal is routed to nearest urgent call processing center.And when user terminal is initiated urgent call from Home eNodeB, unfixing due to the position of Home eNodeB, also there is no at present a kind of method, can make equipment of the core network know the position of user terminal in Home eNodeB, and then accurately route urgent call.

Summary of the invention

The embodiment of the present invention provides a kind of call route method and system, Home eNodeB, system gateway and equipment of the core network, in order to a kind of scheme of accurate route urgent call to be provided.

The embodiment of the present invention provides a kind of method of call routing, comprising:

Access network equipment is determined the user terminal initiation urgent call of access to family base station;

The positional information of described access network equipment corresponding macrocell by the Home eNodeB of described user terminal access sends to equipment of the core network, so that equipment of the core network is that route is set up in described urgent call according to the positional information of described macrocell.

In this programme, the positional information of access network equipment corresponding macrocell by the Home eNodeB of user terminal access sends to equipment of the core network, so that equipment of the core network can be that route is set up in urgent call according to the positional information of macrocell, thereby be embodied as the purpose that route is accurately set up in the urgent call of initiating by Home eNodeB.

Preferably, described access network equipment is determined the user terminal initiation urgent call of access to family base station, comprising:

Described access network equipment receive for the former because urgent call of setting up of the message that connects the time, determine that the user terminal of access to family base station is initiated urgent call.

In this scheme, clear and definite access network equipment receive for the former because urgent call of setting up of the message that connects the time, determine that the user terminal of access to family base station is initiated urgent call.

Preferably, if described access network equipment is described Home eNodeB, described is the message that request that described user terminal sends connects for the message connected;

If described access network equipment is the system gateway under described Home eNodeB, described is the connection message that described Home eNodeB sends for the message connected.

In this scheme, provided two kinds of situations of the message for connecting:

If described access network equipment is described Home eNodeB, described is the message that request that user terminal sends connects for the message connected; If described access network equipment is the system gateway under described Home eNodeB, described is the connection message that described Home eNodeB sends for the message connected.

Preferably, described access network equipment is described Home eNodeB; After described access network equipment determines that user terminal is initiated urgent call, before by described Home eNodeB, the positional information of corresponding macrocell sends to equipment of the core network, the method also comprises:

When described access network equipment is non-access user terminal at definite described user terminal, send the message of the described user terminal of request registration to the system gateway under described Home eNodeB, wherein in message, the indication registration is former in urgent call, and receives the message of the described user terminal registration of acceptance of described system gateway transmission; Or

Described access network equipment is the system gateway under described Home eNodeB; Described access network equipment also comprises before determining that user terminal is initiated urgent call:

Described access network equipment is in the message that receives the described user terminal of request registration that described Home eNodeB sends, and during the former because urgent call of the registration of indicating in described message, sends the message of accepting described user terminal registration to described Home eNodeB.

In this scheme, provided the processing method while for non-access user terminal, by Home eNodeB, initiating urgent call, usually, when non-access user terminal is initiated ordinary call (non-emergency call) by Home eNodeB, Home eNodeB can not establish call connection, but in this programme, particularity due to urgent call, when the family base station determines that the user terminal of access is non-access user terminal, to this user terminal of system gateway request registration under Home eNodeB, and system gateway is accepted registration, after Home eNodeB receives the message of accepting the user terminal registration that system gateway sends, continue follow-up flow process, the urgent call of initiating for this non-access user terminal establishes call connection, to guarantee the fast processing of emergency.

Preferably, described positional information comprises a kind of in following positional information: combination, global position system GPS latitude and longitude information, Base Station Identification, the tracing area of combination, cell ID, LAC and the cell ID of combination, LAI and the SAC of coverage sign SAI, location area LAI, location area code LAC, LAC and coverage code SAC identify TAI.

In this programme, determined the composition of positional information, making equipment of the core network can be that route is set up in urgent call according to concrete positional information.

Preferably, the macrocell that described Home eNodeB is corresponding is pre-configured macrocell, or macrocell corresponding to strong waveguide frequency signal in one or more pilot signals of receiving when powering on of described Home eNodeB.

In this programme, provided the optimal way of definite macrocell, pre-configured, or Home eNodeB is received when powering on to the positional information of the positional information of the macrocell that strong waveguide frequency signal is corresponding as the user terminal of initiating urgent call, make equipment of the core network to set up route for this urgent call more accurately.

The embodiment of the present invention also provides the method for another kind of call routing, comprising:

The equipment of the core network receiving position information, wherein, described positional information is to initiate the positional information of the macrocell that the Home eNodeB of user terminal access of urgent call is corresponding;

Equipment of the core network is that route is set up in described urgent call according to described positional information.

In this programme, the positional information of the macrocell that the Home eNodeB of equipment of the core network reception user terminal access is corresponding, equipment of the core network is that route is set up in urgent call according to the positional information of macrocell, thereby is embodied as the purpose that route is accurately set up in the urgent call of initiating by Home eNodeB.

Preferably, equipment of the core network is that route is set up in described urgent call according to described positional information, comprising:

Equipment of the core network, according to the mapping relations of positional information and routing iinformation, is determined the routing iinformation that described positional information is corresponding, and is that route is set up in described urgent call according to definite routing iinformation.

In this programme, equipment of the core network determines according to the mapping relations of positional information and routing iinformation the routing iinformation that positional information is corresponding, thereby can be that route is accurately set up in urgent call according to definite routing iinformation.

The embodiment of the present invention also provides a kind of Home eNodeB, comprising:

The urgent call determination module, initiate urgent call for determining user terminal;

Sending module, send to equipment of the core network for the positional information of the macrocell that described Home eNodeB is corresponding, so that equipment of the core network is that route is set up in the urgent call that described user terminal is initiated according to the positional information of described macrocell.

In this programme, the positional information of Home eNodeB corresponding macrocell by this Home eNodeB sends to equipment of the core network, so that equipment of the core network can be that route is set up in urgent call according to the positional information of macrocell, thereby be embodied as the purpose that route is accurately set up in the urgent call of initiating by Home eNodeB.

Preferably, described urgent call determination module specifically for:

In the message that the request of sending at the user terminal received connects set up former because urgent call the time, determine that described user terminal initiates urgent call.

In this scheme, clear and definite Home eNodeB receive for the former because urgent call of setting up of the message that connects the time, determine that the user terminal of access to family base station is initiated urgent call.

Preferably, described sending module also for: after the urgent call determination module determines that user terminal is initiated urgent call, before the positional information of sending module corresponding macrocell by described Home eNodeB sends to equipment of the core network, if determine, described user terminal is non-access user terminal, to the system gateway under described Home eNodeB, send the message of the described user terminal of request registration, in message, the indication registration is former because urgent call;

Described Home eNodeB also comprises receiver module, for the message of the described user terminal registration of the acceptance that receives described system gateway transmission.

The embodiment of the present invention also provides a kind of system gateway, comprising:

Receiver module, the message for connecting sent for receiving Home eNodeB;

The urgent call determination module, for determining that the described calling corresponding for the message connected is urgent call;

Sending module, for after described urgent call determination module determines that the described calling corresponding for the message connected is urgent call, by described Home eNodeB, the positional information of corresponding macrocell sends to equipment of the core network, so that equipment of the core network is described call setup route according to the positional information of described macrocell.

In this programme, the positional information of the macrocell that system gateway is corresponding by Home eNodeB sends to equipment of the core network, so that equipment of the core network can be that route is set up in urgent call according to the positional information of macrocell, thereby be embodied as the purpose that route is accurately set up in the urgent call of initiating by Home eNodeB.

Preferably, described urgent call determination module specifically for: the described Home eNodeB received at described receiver module, send for the former because urgent call of setting up of the message that connects the time, determine that the described calling corresponding for the message connected is urgent call.

In this scheme, clear and definite system gateway receive for the former because urgent call of setting up of the message that connects the time, determine that the described calling corresponding for the message connected is urgent call.

Preferably, described receiver module is also for the message that receives described Home eNodeB request registration user terminal;

Described sending module also, sends and is used to indicate the message of accepting the user terminal registration to described Home eNodeB during former because urgent call for: the registration of indicating in the message of determining the described request registration.

In this programme, provided the processing method while for non-access user terminal, by Home eNodeB, initiating urgent call, usually, when non-access user terminal is initiated ordinary call (non-emergency call) by Home eNodeB, Home eNodeB can not establish call connection, but in this programme, particularity due to urgent call, when the family base station determines that the user terminal of access is non-access user terminal, to this user terminal of system gateway request registration under Home eNodeB, and system gateway is accepted registration, after Home eNodeB receives the message of accepting the user terminal registration that system gateway sends, continue follow-up flow process, the urgent call of initiating for this non-access user terminal establishes call connection, to guarantee the fast processing of emergency.

The embodiment of the present invention also provides a kind of equipment of the core network, comprising:

Receiver module, for receiving position information, wherein, described positional information is to initiate the positional information of the macrocell that the Home eNodeB of user terminal access of urgent call is corresponding;

The Route establishment module, for being that route is set up in described urgent call according to described positional information.

Preferably, described Route establishment module specifically for:

According to the mapping relations of positional information and routing iinformation, determine the routing iinformation that described positional information is corresponding, and be that route is set up in described urgent call according to definite routing iinformation.

The embodiment of the present invention also provides a kind of system of call routing, comprising:

Access network equipment, initiate urgent call for the user terminal of determining access to family base station, and the positional information of corresponding macrocell sends to equipment of the core network by the Home eNodeB of described user terminal access;

Equipment of the core network is that route is set up in described urgent call for the positional information of the macrocell that sends according to described access network equipment.

The accompanying drawing explanation

A kind of network topological diagram that Fig. 1 is the embodiment of the present invention;

The structural representation of the call route system that Fig. 2 provides for the embodiment of the present invention;

The process schematic diagram of the first call route method that Fig. 3 provides for the embodiment of the present invention;

The process schematic diagram of the second call route method that Fig. 4 provides for the embodiment of the present invention;

The structural representation of the Home eNodeB that Fig. 5 provides for the embodiment of the present invention;

The structural representation of the system gateway that Fig. 6 provides for the embodiment of the present invention;

The structural representation of the equipment of the core network that Fig. 7 provides for the embodiment of the present invention;

The flow chart of the call route method that Fig. 8 provides for the embodiment of the present invention one;

The flow chart of the call route method that Fig. 9 provides for the embodiment of the present invention two;

The access user that Figure 10 is the embodiment of the present invention one initiates the call flow diagram of urgent call by Home eNodeB;

The non-access user that Figure 11 is the embodiment of the present invention one initiates the call flow diagram of urgent call by Home eNodeB;

The access user that Figure 12 is the embodiment of the present invention two initiates the call flow diagram of urgent call by Home eNodeB;

The non-access user that Figure 13 is the embodiment of the present invention two initiates the call flow diagram of urgent call by Home eNodeB.

Embodiment

The embodiment of the present invention provides a kind of method and system, Home eNodeB, system gateway and equipment of the core network of call routing, and in the method provided in the embodiment of the present invention, access network equipment is determined the user terminal initiation urgent call of access to family base station; The positional information of access network equipment corresponding macrocell by the Home eNodeB of user terminal access sends to equipment of the core network, so that equipment of the core network is that route is set up in described urgent call according to the positional information of described macrocell, thereby be embodied as the purpose that route is accurately set up in the urgent call of initiating by Home eNodeB.

Home eNodeB in the embodiment of the present invention includes but not limited to: HomeNodeB, Home eNodeB, femtocell etc.The mobile network communication standard that Home eNodeB adopts also includes but not limited to: global system for mobile communications (Global System of Mobile communication, GSM), code division multiple access (Code Division Multiple Access, CDMA) IS-95, code division multiple access (Code Division Multiple Access, CDMA) 2000, TD SDMA (Time Division-Synchronous Code Division Multiple Access, TD-SCDMA), Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, WCDMA), time division duplex-Long Term Evolution (Time Division Duplexing-Long Term Evolution, TDD LTE), Frequency Division Duplexing (FDD)-Long Term Evolution (Frequency Division Duplexing-Long Term Evolution, FDD LTE), Long Term Evolution-enhancing (Long Term Evolution-Advanced, LTE-advanced), personal handyphone system (Personal Handy-phone System, PHS) etc.

A kind of network topological diagram that Fig. 1 is the embodiment of the present invention.As shown in Figure 1, this network comprises equipment of the core network, Home eNodeB 1, Home eNodeB 2, macrocell 1, macrocell 2, macrocell 3, system gateway 1, system gateway 2.Also can comprise other base stations, user terminal, system gateway and other network equipments in this network, not draw as space is limited here.Although the line in figure between the network equipment is solid line, do not represent that the connection that this solid line is corresponding only limits to wired connection, can, according to the actual conditions of network, adopt wireless connections.Such as, just can adopt the wireless connections such as WLAN (wireless local area network) (Wireless Local Area Network, WLAN) between Home eNodeB 1 and system gateway 1.

In Fig. 1, the coverage of user terminal 1 in Home eNodeB 1, it makes a call by Home eNodeB 1.The coverage sign (Service Area Identifier, SAI) of macrocell 1 is SAI1; The SAI of macrocell 2 is SAI2; The SAI of macrocell 3 is SAI3.

In declarative procedure below, first from the cooperation of access network equipment, equipment of the core network, implement to describe, then from the enforcement of access network equipment and equipment of the core network, describe respectively, but this does not also mean that the two must coordinate enforcement, in fact, when the two is separately implemented, also solved respectively in access network equipment and the existing problem of equipment of the core network, when just the two is combined with, can obtain better technique effect.

The structural representation of the call route system that Fig. 2 provides for the embodiment of the present invention.As shown in Figure 2, this call route system comprises:

Access network equipment 201, initiate urgent call for the user terminal of determining access to family base station, and the positional information of corresponding macrocell sends to equipment of the core network 202 by the Home eNodeB of user terminal access;

Equipment of the core network 202 is that route is set up in urgent call for the positional information of the macrocell that sends according to access network equipment 201.

Here, access network equipment 201 can be the Home eNodeB of user terminal access, also can be the affiliated system gateway of Home eNodeB of user terminal access.Equipment of the core network 202 can be (the Mobile Switching Center of mobile switching centre, MSC), Mobility Management Entity (Mobility Management Entity, MME), such as, for gsm system, equipment of the core network can be MSC, and for WCDMA system, TD-SCDMA system and LTE system, equipment of the core network can be MME.Alternatively, equipment of the core network 202 also can comprise that other are for setting up the equipment of call routing, other these equipment and the said equipment unification can be considered as to the equipment of the core network 202 in the embodiment of the present invention.

In embodiments of the present invention, preferably, access network equipment 201 can be determined the user terminal initiation urgent call of access to family base station in the following way:

Access network equipment 201 receive for the former because urgent call of setting up of the message that connects the time, determine that the user terminal of access to family base station is initiated urgent call.

When access network equipment 201 is the Home eNodeB of user terminal access, above-mentioned is the message that request that user terminal sends connects for the message connected.

For WCDMA system, TD-SCDMA system and LTE system, the message that the request that above-mentioned user terminal sends connects can be wireless resource control connection request (RRC CONNECTION REQUEST) message.For TD-SCDMA system and WCDMA system, this message can be with reference to 3GPP TS25.331v8.12.0; For the LTE system, this message can be with reference to 3GPP TS36.331v9.5.0.Cell (Information Element in the RRC CONNCTION REQUEST message that the user terminal that access network equipment 201 receives at it sends, while IE) " setting up reason (Establishment Cause) " and be " urgent (Emergency) " or " urgent call (Emergency Call) ", determine that this user terminal initiated urgent call.For the mobile communication system of other standards, it is similar that the user terminal of determining access to family base station is initiated the Method And Principle of urgent call, as space is limited, repeats no longer one by one here.

When the system gateway under the Home eNodeB that access network equipment 201 accesses for user terminal, described is the connection message that described Home eNodeB sends for the message connected.

For WCDMA system, TD-SCDMA system, the connection message that above-mentioned Home eNodeB sends can be connection (CONNECT) message.This message can be with reference to 3GPP TS25.468v9.3.0.Cell (Information Element in the CONNECT message that the Home eNodeB that access network equipment 201 receives at it sends, when IE) " setting up reason (Establishment Cause) " and be " urgent call (Emergency Call) ", determine that user terminal initiated urgent call.For the mobile communication system of other standards, it is similar that the user terminal of determining access to family base station is initiated the Method And Principle of urgent call, as space is limited, repeats no longer one by one here.

In embodiments of the present invention, preferably, access network equipment 201 can by the Home eNodeB of user terminal access, the positional information of corresponding macrocell sends to equipment of the core network 202 in the following way:

When access network equipment 201 is the Home eNodeB of user terminal access, the positional information of the macrocell that Home eNodeB can be corresponding by it is placed in message, via the system gateway under this Home eNodeB, issues equipment of the core network 202.

For WCDMA system and TD-SCDMA system, Home eNodeB can be placed in described positional information initial user terminal message (INTIAL UE MESSAGE), by adaptive (the RadioAccessNetworkApplicationPart User Adaption of Radio Access Network Application Part user, RUA) message bearing, issue the affiliated system gateway of Home eNodeB, system gateway parses the INTIAL UE MESSAGE in RUA message, and the message parsed is issued to core net.About the definition of INTIAL UE MESSAGE, can be with reference to 3GPP TS25.413v10.0.0.For the mobile communication system of other standards, the Method And Principle that sends described positional information to equipment of the core network 202 is similar, as space is limited, repeats no longer one by one here.

When the system gateway under the Home eNodeB that access network equipment 201 accesses for user terminal, the positional information of the macrocell that system gateway can be corresponding by described Home eNodeB is placed in message and issues equipment of the core network 202.

For WCDMA system and TD-SCDMA system, system gateway also can be placed in described positional information INTIAL UE MESSAGE and issue core net.

In embodiments of the present invention, preferably, access network equipment 201 can obtain the positional information of the macrocell that the Home eNodeB of user terminal access is corresponding in the following way:

When access network equipment 201 is the Home eNodeB of user terminal access, Home eNodeB receives the system message that macrocell that this Home eNodeB is corresponding issues, and obtains the positional information of corresponding macrocell from system message.

When the system gateway under the Home eNodeB that access network equipment 201 accesses for user terminal, Home eNodeB receives the system message that macrocell that this Home eNodeB is corresponding issues, obtain the positional information of macrocell from system message, and the positional information of the macrocell that Home eNodeB is corresponding is issued the system gateway under this Home eNodeB by message.

In embodiments of the present invention, preferably, when the user terminal of initiating urgent call by Home eNodeB, during for the non-access user terminal of this Home eNodeB, access network equipment 201 is handled as follows:

When access network equipment 201 is the Home eNodeB of user terminal access, after access network equipment 201 determines that user terminal is initiated urgent call, before by Home eNodeB, the positional information of corresponding macrocell sends to equipment of the core network, send the message of request registration user terminal to the system gateway under Home eNodeB, in message, indicate registration former in urgent call, and the message of the described user terminal registration of the acceptance of receiving system gateway transmission.

When the system gateway under the Home eNodeB that access network equipment 201 accesses for user terminal, access network equipment 201 is before definite user terminal is initiated urgent call, the message of the described user terminal of request registration that the reception Home eNodeB sends, during former the because urgent call of the registration of indicating, send the message of accepting the user terminal registration to Home eNodeB in message.

For WCDMA system and TD-SCDMA system, in above-mentioned processing procedure, the message of request registration user terminal can be: user terminal registration request (UE REGISTER REQUEST) message.Home eNodeB sends this message to system gateway, and the registration reason of the IE in message (Registration Cause) is designated as urgent call, after system gateway receives this message, send the user terminal registration to Home eNodeB and accept (UE REGISTER ACCEPT) message, after Home eNodeB is received UE REGISTER ACCEPT message, continue follow-up process, for user terminal, set up and call out.Message UE REGISTER REQUEST in said process and UE REGISTER ACCEPT can be with reference to 3GPP TS25.467v10.1.0.For the mobile communication system of other standards, similar for the processing method principle of non-access user terminal, as space is limited, repeat no longer one by one here.

In embodiments of the present invention, preferably, access network equipment 201 can be determined the user terminal access customer that whether is as the criterion according to the sign (such as international mobile subscriber identity (International Mobile Subscriber Identification, IMSI) number) of user terminal.

In embodiments of the present invention, preferably, positional information can include but not limited to a kind of in following positional information:

SAI, location area (Location Area Identifier, LAI), location area code (Location Area Code, LAC), LAC and coverage code (Serving Area Code, the combination of the combination of combination SAC), LAI and SAC, cell ID, LAC and cell ID, global positioning system (Global Positioning System, GPS) latitude and longitude information, Base Station Identification, tracing area sign (Tracking Area Identifier, TAI).

In the embodiment of the present invention, macrocell corresponding to the Home eNodeB of user terminal access can be determined according to a kind of in following manner:

Macrocell corresponding to pre-configured this Home eNodeB; Or

The community macrocell corresponding as Home eNodeB corresponding to strong waveguide frequency signal in one or more pilot signals that Home eNodeB receives when powering on.

Macrocell is pilot signal transmitted in communication process, Home eNodeB is after powering on, the pilot signal that around the search, each macrocell sends immediately, and determine the peak signal in each pilot signal, using this community macrocell corresponding as this Home eNodeB corresponding to strong waveguide frequency signal.

It should be noted that, aforesaid way just illustrates, and anyly can determine that the mode of the macrocell that Home eNodeB is corresponding all is suitable for the embodiment of the present invention.

In embodiments of the present invention, preferably, equipment of the core network 202 can be set up route for urgent call in the following way:

In city, district, Deng administrative region, county, the urgent call processing center often has a plurality of, and they are distributed in the diverse location of this administrative region.The urgent call of initiating for user terminal in mobile communication system, if user terminal can't provide the positional information (GPS longitude and latitude) of self, need, according to the user terminal base station of living in of initiating this urgent call or the positional information of community, this urgent call is routed to the urgent call processing center nearest from this user, to realize the purpose of Quick for rescue.For the user terminal of initiating urgent call by Home eNodeB, Home eNodeB self possible configuration positional information, but because the Home eNodeB installation site is unfixing, even also may move after installing, even if Home eNodeB can report equipment of the core network by the positional information of self, the equipment of the core network route definite according to this positional information is also inaccurate.Therefore, in the embodiment of the present invention, by Home eNodeB, the positional information of corresponding macrocell sends to equipment of the core network, making equipment of the core network is that route is set up in urgent call according to the positional information of this macrocell, thereby realize routing emergency calls to the EC nearest from user terminal, and then shorten rescue time, improve rescue efficiency.

Alternatively, when urgent call processing center corresponding to different emergency telephone numbers is different, the mapping relations of the positional information that equipment of the core network 202 is sent according to the access network equipment in the embodiment of the present invention, emergency telephone number and routing iinformation, determine the routing iinformation that positional information is corresponding, and be that route is set up in described urgent call according to definite routing iinformation.

When positional information is SAI, equipment of the core network has been stored the mapping relations of SAI and routing iinformation; When positional information is LAI, equipment of the core network has been stored the mapping relations of LAI and routing iinformation; When positional information is LAC, the data that equipment of the core network can configure according to himself, or equipment of the core network can be determined the PLMN sign according to the source of the access network equipment in the embodiment of the present invention of receiving etc., then the PLMN sign is reassembled into to LAI with LAC, then be that route is set up in urgent call according to the mapping relations of pre-stored LAI and routing iinformation; When combination that positional information is LAC and SAC, equipment of the core network still can be determined the PLMN sign according to said method, then PLMN sign and LAC, SAC are reassembled into to SAI, then be that route is set up in urgent call according to the mapping relations of pre-stored SAI and routing iinformation; When positional information is cell ID, GPS longitude and latitude or Base Station Identification, equipment of the core network has been stored respectively the mapping relations of mapping relations, Base Station Identification and routing iinformation of mapping relations, GPS longitude and latitude and the routing iinformation of cell ID and routing iinformation; When combination that positional information is LAC and cell ID, the data that equipment of the core network can configure according to himself, or equipment of the core network can be determined the PLMN sign according to the source of the access network equipment in the embodiment of the present invention of receiving etc., then the PLMN sign is reassembled into to LAI with LAC, then be that route is set up in urgent call according to the combination of pre-stored LAI, cell ID and the mapping relations of routing iinformation.

Below, set up the method for route by equipment of the core network 202 in the example one explanation embodiment of the present invention for urgent call.

Example one, equipment of the core network are the method that route is set up in urgent call

As shown in Figure 1, user terminal 1 is initiated urgent call by Home eNodeB 1, emergency telephone number is " 119 ", equipment of the core network 202 is after receiving the positional information that access network equipment 201 sends, search the mapping table (as shown in table 1) of positional information, emergency telephone number and routing number of self storage, and the mapping table (as shown in table 2) of routing number and relaying number.Wherein, the routing number in table 2 is corresponding with the routing number in table 1, and same number represents same route.In this example, Home eNodeB 1 is searched for the pilot signal of macrocell on every side when powering on, determine that macrocell 2 pilot signals that receive are the strongest, the positional information SAI2 of macrocell 2 is the positional information of the macrocell of Home eNodeB 1 correspondence, correspondingly, access network equipment 201 can be issued SAI2 as positional information equipment of the core network 202.

Equipment of the core network 202 look-up tables 1, according to positional information SAI2 and emergency telephone number " 119 ", determine that the urgent call that user terminal 1 is initiated sends to EC by route 02.Further, core net look-up table 2, determine that the relaying of route 02 correspondence has 2, equipment of the core network 202 can according to predefined algorithm (such as, select the notst busy relaying) determine that relaying number is 03, then on the relaying of relaying number 03 correspondence, send this urgent call.

The mapping table of table 1 positional information, emergency telephone number and routing number

Emergency telephone number	SAI	Routing number
			119	SAI1	01
119	SAI2	02
			120	SAI3	03

The mapping table of table 2 routing number and relaying number

Routing number	Relaying number
		01	01
01	02
		02	03
02	04
		03	05
03	06
		03	07

Based on same inventive concept, the embodiment of the present invention also provides method, Home eNodeB, system gateway and the equipment of the core network of call routing, because the principle that these equipment are dealt with problems with method is similar to call route system, therefore the enforcement of these equipment and method can, referring to the enforcement of system, repeat part and repeat no more.

The process schematic diagram of the first call route method that Fig. 3 provides for the embodiment of the present invention.As shown in Figure 3, the method comprises:

S301: access network equipment is determined the user terminal initiation urgent call of access to family base station;

S302: the positional information of access network equipment corresponding macrocell by the Home eNodeB of user terminal access sends to equipment of the core network, so that equipment of the core network is that route is set up in urgent call according to the positional information of macrocell.

Preferably, access network equipment is determined the user terminal initiation urgent call of access to family base station, comprising:

Access network equipment receive for the former because urgent call of setting up of the message that connects the time, determine that the user terminal of access to family base station is initiated urgent call.

Preferably, if access network equipment is Home eNodeB, the message that the request that is the user terminal transmission for the message connected connects;

If access network equipment is the system gateway under Home eNodeB, for the message connected, be the connection message that Home eNodeB sends.

Preferably, access network equipment is described Home eNodeB, and after access network equipment determines that user terminal is initiated urgent call, before by described Home eNodeB, the positional information of corresponding macrocell sends to equipment of the core network, the method also comprises:

When access network equipment is non-access user terminal at definite described user terminal, send the message of the described user terminal of request registration to the system gateway under Home eNodeB, in message, indicate registration former in urgent call, and the message of the described user terminal registration of the acceptance of receiving system gateway transmission; Or

Access network equipment is the system gateway under Home eNodeB, and access network equipment also comprises before determining that user terminal is initiated urgent call:

Access network equipment is in the message that receives the described user terminal of request registration that Home eNodeB sends, and during the former because urgent call of the registration of indicating in message, sends the message of accepting described user terminal registration to described Home eNodeB.

Preferably, positional information comprises a kind of in following positional information: combination, global position system GPS latitude and longitude information, Base Station Identification, the tracing area of combination, cell ID, LAC and the cell ID of combination, LAI and the SAC of coverage sign SAI, location area LAI, location area code LAC, LAC and coverage code SAC identify TAI.

Preferably, the macrocell that Home eNodeB is corresponding is pre-configured macrocell, or macrocell corresponding to strong waveguide frequency signal in one or more pilot signals of receiving when powering on of Home eNodeB.

The process schematic diagram of the second call route method that Fig. 4 provides for the embodiment of the present invention.As shown in Figure 4, the method comprises:

S401: the equipment of the core network receiving position information, wherein, positional information is to initiate the positional information of the macrocell that the Home eNodeB of user terminal access of urgent call is corresponding;

S402: equipment of the core network is that route is set up in urgent call according to positional information.

Preferably, equipment of the core network is that route is set up in urgent call according to positional information, comprising:

Equipment of the core network, according to the mapping relations of positional information and routing iinformation, is determined the routing iinformation that positional information is corresponding, and is that route is set up in urgent call according to definite routing iinformation.

The structural representation of the Home eNodeB that Fig. 5 provides for the embodiment of the present invention.As shown in Figure 5, this Home eNodeB comprises:

Urgent call determination module 501, initiate urgent call for determining user terminal;

Sending module 502, send to equipment of the core network for the positional information of the macrocell that described Home eNodeB is corresponding, so that equipment of the core network is that route is set up in the urgent call that described user terminal is initiated according to the positional information of described macrocell.

Preferably, urgent call determination module 501 specifically for:

Preferably, sending module 502 also for: after urgent call determination module 501 determines that user terminal is initiated urgent call, before the positional information of the macrocell that sending module is corresponding by Home eNodeB sends to equipment of the core network, if determine, user terminal is non-access user terminal, to the system gateway under Home eNodeB, send the message of request registration user terminal, in message, the indication registration is former because urgent call;

Described Home eNodeB also comprises receiver module, the message of accepting the user terminal registration sent for the receiving system gateway.

The structural representation of the system gateway that Fig. 6 provides for the embodiment of the present invention.As shown in Figure 6, this system gateway comprises:

Receiver module 601, the message for connecting sent for receiving Home eNodeB;

Urgent call determination module 602, for the message that is identified for connecting, corresponding calling is urgent call;

Sending module 603, after being urgent call for calling corresponding to message that is identified for connecting at urgent call determination module 602, by Home eNodeB, the positional information of corresponding macrocell sends to equipment of the core network, so that equipment of the core network is this call setup route according to the positional information of macrocell.

Preferably, urgent call determination module 602 specifically for: the Home eNodeB received at receiver module 601, send for the former because urgent call of setting up of the message that connects the time, calling corresponding to the message that is identified for connecting is urgent call.

Preferably, receiver module 601 is also for the message that receives Home eNodeB request registration user terminal;

Sending module 603 also, sends and is used to indicate the message of accepting the user terminal registration to Home eNodeB during former because urgent call for: the registration of indicating in the message of determining request registration.

The structural representation of the equipment of the core network that Fig. 7 provides for the embodiment of the present invention.As shown in Figure 7, this equipment of the core network comprises:

Receiver module 701, for receiving position information, wherein, positional information is to initiate the positional information of the macrocell that the Home eNodeB of user terminal access of urgent call is corresponding;

Route establishment module 702, for being that route is set up in urgent call according to positional information.

Preferably, Route establishment module 702 specifically for:

According to the mapping relations of positional information and routing iinformation, determine the routing iinformation that positional information is corresponding, and be that route is set up in urgent call according to definite routing iinformation.

The method of the call routing that the embodiment of the present invention provides below is described by embodiment mono-and embodiment bis-respectively.In embodiment mono-, access network equipment is Home eNodeB, and in embodiment bis-, access network equipment is the system gateway under Home eNodeB.

Embodiment mono-

The flow chart of the call route method that Fig. 8 provides for the embodiment of the present invention one.As shown in Figure 8, the method for embodiment mono-comprises the steps:

S801, Home eNodeB receive the setup requests of user terminal;

S802, Home eNodeB determine whether as urgent call, if perform step S803, otherwise perform step S807;

S803, Home eNodeB determine whether user terminal is the access user terminal of this Home eNodeB, if, perform step S804, otherwise execution step S808;

The positional information of S804, Home eNodeB corresponding macrocell by this Home eNodeB is placed in INITIAL UEMESSAGE message, by the RUA message bearing, issues system gateway;

S805, system gateway parse the INITIAL UE MESSAGE message in RUA message, and the message parsed is issued to equipment of the core network, the positional information that wherein in INTIAL UE MESSAGE message, comprises the macrocell that Home eNodeB is corresponding;

The positional information of S806, equipment of the core network corresponding macrocell according to the Home eNodeB received is that route is set up in urgent call;

S807, execution non-emergency call flow process;

S808, Home eNodeB send the user terminal login request message to system gateway, and this call establishment of indication is former because " urgent call " in this request message;

S809, system gateway receive the user terminal login request message, and return to the user terminal registration to Home eNodeB and accept message.

Embodiment bis-,

The flow chart of the call route method that Fig. 9 provides for the embodiment of the present invention two.As shown in Figure 9, the method for embodiment bis-comprises the steps:

S901, Home eNodeB receive the setup requests of user terminal;

S902, Home eNodeB determine whether as urgent call, if perform step S903, otherwise perform step S907;

S903, Home eNodeB determine whether user terminal is the access user terminal of this Home eNodeB, if, perform step S904, otherwise execution step S908;

S904, Home eNodeB are placed on the positional information of this Home eNodeB in INITIAL UE MESSAGE message, by the RUA message bearing, issue system gateway, and in this RUA message, by IE, " set up reason " to indicate this calling be urgent call;

S905, system gateway parse the INITIAL UE MESSAGE message in RUA message, and " set up reason " by the IE in RUA message and determine that this calling is urgent call, issue equipment of the core network after the positional information in INITIAL UE MESSAGE being replaced to the positional information of the macrocell that Home eNodeB is corresponding;

The positional information of the macrocell that S906, equipment of the core network are corresponding according to Home eNodeB is that route is set up in urgent call;

S907, execution non-emergency call flow process;

S908, Home eNodeB send the user terminal login request message to system gateway, and this call establishment of indication is former because " urgent call " in this request message;

S909, system gateway receive the user terminal login request message, and return to the user terminal registration to Home eNodeB and accept message.

The call flow diagram when the base station access user of family initiates urgent call that Figure 10 is the embodiment of the present invention one; The call flow diagram when non-Home eNodeB access user initiates urgent call that Figure 11 is the embodiment of the present invention one; The call flow diagram when the base station access user of family initiates urgent call that Figure 12 is the embodiment of the present invention two; The call flow diagram when non-Home eNodeB access user initiates urgent call that Figure 13 is the embodiment of the present invention two.

As shown in Figure 10 and Figure 11, in embodiment mono-, be that the positional information by Home eNodeB corresponding macrocell by this Home eNodeB is placed in INTIAL UE MESSAGE message.Owing to being the call flow that Home eNodeB access user initiates urgent call shown in Figure 10, therefore with Figure 11, to compare, Home eNodeB is after receiving the emergency call request of user terminal, without the user terminal registration process between Home eNodeB and system gateway.

As shown in Figure 12 and Figure 13, in embodiment bis-, system gateway is after receiving the RUA message that Home eNodeB sends, if the RUA message bearing is INITIAL UE MESSAGE message, and indicated in RUA message and called out as " urgent call ", the positional information of the macrocell that system gateway is corresponding with Home eNodeB has been replaced the positional information of the Home eNodeB in INITIAL UE MESSAGE message.Owing to being the call flow that Home eNodeB access user initiates urgent call shown in Figure 12, therefore with Figure 13, to compare, Home eNodeB is after receiving the emergency call request of user terminal, without the user terminal registration process between Home eNodeB and system gateway.

Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect fully.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code one or more.

The present invention describes with reference to flow chart and/or the block diagram of method, equipment (system) and computer program according to the embodiment of the present invention.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce for realizing the device in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.

These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction be stored in this computer-readable memory produce the manufacture that comprises command device, this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.

These computer program instructions also can be loaded on computer or other programmable data processing device, make and carry out the sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out on computer or other programmable devices is provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.

Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.

Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.

Claims

1. the method for a call routing, is characterized in that, comprising:

2. the method for claim 1, is characterized in that, described access network equipment is determined the user terminal initiation urgent call of access to family base station, comprising:

3. method as claimed in claim 2, is characterized in that, if described access network equipment is described Home eNodeB, described is the message that request that described user terminal sends connects for the message connected;

4. the method for claim 1, it is characterized in that, described access network equipment is described Home eNodeB, after described access network equipment determines that user terminal is initiated urgent call, before by described Home eNodeB, the positional information of corresponding macrocell sends to equipment of the core network, the method also comprises:

When described access network equipment is non-access user terminal at definite described user terminal, send the message of the described user terminal of request registration to the system gateway under described Home eNodeB, in message, indicate registration former in urgent call, and receive the message of the described user terminal registration of acceptance of described system gateway transmission; Or

Described access network equipment is the system gateway under described Home eNodeB, and described access network equipment also comprises before determining that user terminal is initiated urgent call:

5. method as described as claim 1～4 any one, it is characterized in that, described positional information comprises a kind of in following positional information: combination, global position system GPS latitude and longitude information, Base Station Identification, the tracing area of combination, cell ID, LAC and the cell ID of combination, LAI and the SAC of coverage sign SAI, location area LAI, location area code LAC, LAC and coverage code SAC identify TAI.

6. method as described as claim 1～4 any one, it is characterized in that, the macrocell that described Home eNodeB is corresponding is pre-configured macrocell, or macrocell corresponding to strong waveguide frequency signal in one or more pilot signals of receiving when powering on of described Home eNodeB.

7. the method for a call routing, is characterized in that, the method comprises:

8. method as claimed in claim 7, is characterized in that, equipment of the core network is that route is set up in described urgent call according to described positional information, comprising:

9. a Home eNodeB comprises:

10. Home eNodeB as claimed in claim 9, is characterized in that, described urgent call determination module specifically for:

11. Home eNodeB as claimed in claim 9, it is characterized in that, described sending module also for: after the urgent call determination module determines that user terminal is initiated urgent call, before the positional information of sending module corresponding macrocell by described Home eNodeB sends to equipment of the core network, if determine, described user terminal is non-access user terminal, to the system gateway under described Home eNodeB, send the message of the described user terminal of request registration, in message, the indication registration is former because urgent call;

12. Home eNodeB as described as claim 9～11 any one, it is characterized in that, described positional information comprises a kind of in following positional information: combination, global position system GPS latitude and longitude information, Base Station Identification, the tracing area of combination, cell ID, LAC and the cell ID of combination, LAI and the SAC of coverage sign SAI, location area LAI, location area code LAC, LAC and coverage code SAC identify TAI.

13. Home eNodeB as described as claim 9～11 any one, it is characterized in that, the macrocell that described Home eNodeB is corresponding is pre-configured macrocell, or macrocell corresponding to strong waveguide frequency signal in one or more pilot signals of receiving when powering on of described Home eNodeB.

14. a system gateway, is characterized in that, comprising:

Receiver module, the message for connecting sent for receiving Home eNodeB;

15. system gateway as claimed in claim 14, it is characterized in that, described urgent call determination module specifically for: the described Home eNodeB received at described receiver module, send for the former because urgent call of setting up of the message that connects the time, determine that the described calling corresponding for the message connected is urgent call.

16. system gateway as claimed in claim 14, is characterized in that, described receiver module is also for the message that receives described Home eNodeB request registration user terminal;

17. system gateway as described as claim 14～16 any one, it is characterized in that, described positional information comprises a kind of in following positional information: combination, global position system GPS latitude and longitude information, Base Station Identification, the tracing area of combination, cell ID, LAC and the cell ID of combination, LAI and the SAC of coverage sign SAI, location area LAI, location area code LAC, LAC and coverage code SAC identify TAI.

18. system gateway as described as claim 14～16 any one, it is characterized in that, the macrocell that described Home eNodeB is corresponding is pre-configured macrocell, or macrocell corresponding to strong waveguide frequency signal in one or more pilot signals of receiving when powering on of described Home eNodeB.

19. an equipment of the core network, is characterized in that, comprising:

20. equipment of the core network as claimed in claim 19, is characterized in that, described Route establishment module specifically for:

21. the system of a call routing, is characterized in that, comprising: