CN101043735A - Roaming user equipment accessing method of mobile communication network and system thereof - Google Patents
Roaming user equipment accessing method of mobile communication network and system thereof Download PDFInfo
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- CN101043735A CN101043735A CNA2006100734180A CN200610073418A CN101043735A CN 101043735 A CN101043735 A CN 101043735A CN A2006100734180 A CNA2006100734180 A CN A2006100734180A CN 200610073418 A CN200610073418 A CN 200610073418A CN 101043735 A CN101043735 A CN 101043735A
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Abstract
The disclosed access method for cruise UE in mobile communication network can shield local network inner structure, reduces interface signaling, and supports route optimization for cruise user data. Wherein, according to local network condition, user assigned message and cruise protocol between V-PLMN and H-PLMN together, the MME or UPE of V-LLMN decides the UE access management position, and the V-PLMN or IASA of H-PLMN manages the mobile access.
Description
Technical field
The present invention relates to moving communicating field, when particularly there is multiple access network in the roaming place, mobile management between the different Access Networks of roaming user equipment.
Background technology
GPRS (General Packet Radio Service, abbreviation " GPRS ") network is a kind of global mobile system based on second generation mobile communication cellular mobile communication networks of new generation of (Global System of Mobility is called for short " GSM ").In order to support the GPRS function, in existing GSM network, need to increase some nodes, as Gateway GPRS Support Node (Gateway GPRSSupport Node, abbreviation " GGSN "), Serving GPRS Support Node (Serving GPRS SupportNode, be called for short " SGSN "), they all belong to GPRS Support Node (GPRS Support Node is called for short " GSN ").
In addition, at 3G (Third Generation) Moblie (The Third Generation, abbreviation " 3G ") universal mobile telecommunications system (Universal Mobile Telecommunications System, abbreviation " UMTS ") in the core net, also support the GPRS function, GSN nodes such as GGSN and SGSN are arranged equally.The GPRS/UMTS network configuration as shown in Figure 1, adopted and the similar structure of second generation mobile communication system, comprise UMTS Terrestrial radio access network (UMTS Territorial Radio Access Network, abbreviation " UTRAN "), (Evolved) of GSM and evolution thereof strengthens data wireless access network (GSM/EDGE Radio Access Network, abbreviation " GERAN "), core net (CoreNetwork, be called for short " CN ") and subscriber equipment (User Equipment is called for short " UE ").
Wherein, GERAN/UTRAN is used to realize all and wireless function associated, and CN handles that all voice calls are connected with data in the GPRS/UMTS system, and is used to realize and the exchange of external network and the function of route.Connect by universal mobile telecommunications system interface (Interface of UMTS is called for short " Iu ") between GERAN/UTRAN and the CN.
CN is from being divided into circuit commutative field (Circuit Switched Domain is called for short " CS ") and packet-switched domain (Packet Switched Domain is called for short " PS ") in logic.
Wherein, the CS territory is used for support circuitry data services, realization speech business exchange, comprise (the Mobile Switch Center of mobile switching centre, abbreviation " MSC "), media gateway (Media Gateway, be called for short " MGW ") and GMSC (gateway mobile switching center) (Gateway Mobile Switching Centre is called for short " GMSC ") node etc.Specifically, MSC server (Server) is used to transmit the chain of command data in CS territory, realizes mobile management, calls out functions such as control and authentication ciphering; MGW is used to realize the transmission of user face data; The GMSC server then is used to realize the calling control of GMSC and the chain of command function that mobility is controlled.
The PS territory then is used to support GPRS and some multimedia services, comprises nodes such as SGSN and GGSN.Specifically, SGSN in the PS territory the position and the MSC server category in CS territory seemingly, its Core Feature is route and forwarding, encryption and authentication, mobile management, Logical Link Management, ticket generation and output, session management and user profile storage or the like of packet data package; GGSN then mainly is responsible for and external network carries out interface, simultaneously, also is responsible for realizing the transmission of user face data.
In UMTS, signaling control separates with transfer of data, and CS and PS territory are all passed through attaching position register (Home Location Register is called for short " HLR ") and obtained user signing contract information.
In existing GPRS network, when the user roamed, its netsurfing framework as shown in Figure 2.So-called roaming, be meant that UE moves to its home public land mobile network (Home-Public Land MobileNetwork, be called for short " H-PLMN "), be outside the coverage of home network, then use the visited network of roaming place, also promptly visit Public Land Mobile Nerwork (Visited-Public Land MobileNetwork is called for short " V-PLMN ") and insert, thereby can finish some business normally.Though H-PLMN has covered different geographical position with V-PLMN, they both can belong to same operator, also can belong to different operators.
Wherein, interconnect by Gp between SGSN among the V-PLMN and the GGSN among the H-PLMN; SGSN links to each other with GGSN by gn interface; Interface between UTRAN and the CN is the Iu interface, because SGSN belongs to the PS territory, and the interface between the SGSN is an Iu-PS interface; UE uses the Uu interface by the UTRAN wireless access.
When UE roamed into regional that V-PLMN covers, the wireless network by V-PLMN inserted, and was connected to GGSN among the H-PLMN by the SGSN among the V-PLMN then, again by the outside business of the visit of the GGSN among the H-PLMN.In GPRS, do not consider professional residing position, that is to say that its business datum all will be routed to the GGSN among the H-PLMN no matter business is in V-PLMN or in H-PLMN.
In order to guarantee the competitiveness of third generation partner program in following 10 years down to the time more of a specified duration (3rdGeneration Partnership Project is called for short " 3GPP ") system, the work of an access technology evolution is just carried out at the 3GPP organization internal.Particularly in order to strengthen the 3GPP system handles ability of the internetworking agreement of growth (Internet Protocol is called for short " IP ") data service fast, the group technology of using in the 3GPP system needs further to strengthen.In the evolution of this class technology, most important several indexs are: reduce time delay, user data rate more at a high speed, the power system capacity and the coverage of enhancing, and the reduction of the whole cost of operator.In addition, the structure of the system of evolution also is an important index for the backwards compatibility of existing system.
Therefore, several requirements that system architecture evolution (System Architecture Evolution is called for short " SAE ") needs to satisfy are: at the initial phase of UE access network, basic IP connection need be set up in the network of evolution; The network architecture of evolution must minimize the time delay of user data; The definition of each functional module should be avoided the overlapping or repetition of function in the evolution network framework, to avoid unnecessary signaling interaction and time delay.
According to above basic demand, " local breakout (the local interruption) " technology has been proposed, when promptly UE uses mobile service in V-PLMN, need not obtain business support among the GGSN from H-PLMN, but can directly provide by V-PLMN.This requirement is in order to save the CN resource among the H-PLMN, simultaneously since UE without H-PLMN, and directly by V-PLMN visit corresponding business, can be so that the routing optimality of user data.
As shown in Figure 3, CN in the network architecture of evolution mainly comprises Mobility Management Entity (MobilityManagement Entity, abbreviation " MME "), user entity (User Plane Entity, be called for short " UPE ") and connecting system between three logic function modules of anchor point (Inter Access System Anchor is called for short " IASA " or " Inter AS Anchor ").
Wherein, MME is used for the mobile management of chain of command, comprises the management of user's context and mobile status, distributing user temporary identity sign, safety function etc., and it is corresponding to the control plane part of current UMTS internal system SGSN; UPE is used for initiating paging, management preservation IP bearing parameter and the interior routing iinformation of network etc. for downlink data under the idle condition, and it is corresponding to the datum plane part of current UMTS internal system SGSN and GGSN; IASA then is the user's face anchor point between different access systems.But how these three logic function modules are combined in the entity and determine yet at present, and the existence of each interface is also still finally determined with its function.
In 3GPP TR 23.882, the roaming network framework of non-" local breakout " as shown in Figure 4, in this network architecture, the MME/UPE among the V-PLMN directly links the IASA among the H-PLMN, and the mobile management between different access systems is finished by the IASA among the H-PLMN.This network architecture is the roaming network framework of individual layer IASA.
If multiple connecting system is arranged in the roaming place, and they belong to same operator, then when the user is switched, all need to notify H-PLMN between the different access systems of roaming place operator, have increased the quantity of the mutual signaling on the roaming interface.According to this network architecture, all connecting systems all need to link to each other with H-PLMN respectively among the V-PLMN, and this network architecture is unfavorable for that this operator shields the internal structure of its network, and in addition, such network configuration also is unfavorable for the routing optimality of roaming user data.
Summary of the invention
In view of this, main purpose of the present invention is to provide the cut-in method and the system thereof of roaming user equipment in a kind of mobile communications network, make the situation that has multiple connecting system for roaming place operator, can shield better roaming place operator the network internal structure, reduce signaling quantity on the roaming interface, support the routing optimality of roaming user data better.
For achieving the above object, the invention provides the cut-in method of roaming user equipment in a kind of mobile communications network, comprise following steps:
When described subscriber equipment inserted visited network, this visited network carried out the decision-making of the mobile management position between different access systems according to relevant information;
If the result of decision is described visited network, then described subscriber equipment is linked into by anchor point IASA between the connecting system of this visited network among the IASA of home network of this subscriber equipment, and by the IASA of this visited network this subscriber equipment is carried out mobile management between different access systems; If the result of decision is described home network, then this subscriber equipment directly is linked among the IASA of this home network, and by the IASA of this home network this subscriber equipment is carried out mobile management between different access systems.
Wherein, described relevant information comprises one of following or its combination in any:
Network condition, the user signing contract information of described subscriber equipment and the roaming agreement between described visited network and the described home network of described visited network operator.
In this external described method, when carrying out described decision-making, if the visited network carrier network comprises at least two kinds of connecting systems, and having two kinds in these connecting systems at least is allowed by described roaming agreement, and have at least two kinds to be supported in these connecting systems that are allowed to by user signing contract information, then the result of decision is described visited network, otherwise the result of decision is a home network.
In this external described method, described visited network carries out the decision-making of described mobile management position by Mobility Management Entity and user entity.
In this external described method, also comprise following steps:
When described subscriber equipment when inserting described visited network, send login request message according to the log-on message of this subscriber equipment to described home network by the Mobility Management Entity of this visited network and user entity;
Described home network returns registration reply message according to the login request message of described visited network to the Mobility Management Entity and the user entity of this visited network, wherein carries the user signing contract information of described subscriber equipment.
In this external described method, also comprise following steps:
The Mobility Management Entity of described visited network and user entity are mobile management address of described user equipment allocation after carrying out described decision-making;
Wherein, described mobile management address is the Mobility Management Entity of described visited network and user entity institute's addresses distributed or according to presetting tactful institute addresses distributed.
In this external described method, when the described result of decision is described home network, also comprise following steps:
The Mobility Management Entity of described visited network and user entity directly send the access request message to the IASA of described home network according to the log-on message of this subscriber equipment, wherein comprise described mobile management address;
The IASA of described home network is when receiving the access request message of described visited network, be home address of described user equipment allocation, and preserve the described mobile management address in this message and the corresponding relation of this home address, then, Mobility Management Entity and user entity by described visited network return the access response message to described subscriber equipment, wherein comprise this home address.
In this external described method, when the described result of decision is described visited network, also comprise following steps:
The Mobility Management Entity of described visited network and user entity send the access request message according to the log-on message of this subscriber equipment to the IASA of this visited network, wherein comprise described mobile management address;
The IASA of described visited network is after receiving described access request message, be a visit of described user equipment allocation address, and preserve the corresponding relation of described mobile management address and this visit address, send described access request to the IASA of described home network then, wherein comprise this visit address;
The IASA of described home network is when the described access request message of receiving from the IASA of described visited network, be home address of described user equipment allocation, and preserve the described visit address in this message and the corresponding relation of this home address, then, IASA by this visited network and Mobility Management Entity and user entity return the access response message to this subscriber equipment, wherein comprise this home address.
The present invention also provides the connecting system of roaming user equipment in a kind of mobile communications network, comprises subscriber equipment, visited network and home network, all comprises IASA in this visited network and home network;
In described visited network, also comprise Mobility Management Entity and user entity, be used for when described subscriber equipment inserts described visited network, carrying out the decision-making of mobile management position between different access systems according to relevant information;
If the result of decision is described visited network, then this subscriber equipment is carried out mobile management between different access systems, and described subscriber equipment is linked among the IASA of described home network by the IASA of this visited network by the IASA of this visited network; If the result of decision is described home network, then this subscriber equipment is carried out mobile management between different access systems by the IASA of this home network.
Wherein, described relevant information comprises one of following or its combination in any:
Network condition, the user signing contract information of described subscriber equipment and the roaming agreement between described visited network and the described home network of described visited network operator.
By relatively finding, the main distinction of technical scheme of the present invention and prior art is, the MME of V-PLMN and UPE are according to network condition, user signing contract information and the V-PLMN of roaming place operator and the relevant informations such as roaming agreement between the H-PLMN, make a strategic decision in mobile management position to UE, only when all relevant informations were all supported the multiple connecting system of UE access roaming ground operator, its result of decision just was V-PLMN; And in other cases, the result of decision is H-PLMN, and promptly the IASA by H-PLMN carries out mobile management to roaming UE, can make when UE inserts V-PLMN, availablely select optimum routing mode, optimize network performance, and make the present invention program and prior art compatibility according to each relevant information.
All support in each relevant information under the situation of multiple connecting system of UE access roaming ground operator, its result of decision is V-PLMN, promptly roaming the IASA of UE by V-PLMN is linked among the IASA of H-PLMN, and this UE is carried out mobile management between different access systems by the IASA of V-PLMN, can be not IASA by H-PLMN this UE is carried out mobile management between different access systems, can shield the network internal structure of roaming place operator better, and can reduce the signaling quantity of roaming on the interface, can support the routing optimality of roaming user data better.
Description of drawings
Fig. 1 is a GPRS/UMTS network structure in the prior art;
Fig. 2 is a GPRS network roaming configuration diagram in the prior art;
Fig. 3 is a radio gradual network structure schematic diagram in the prior art;
Fig. 4 is non-in the prior art " local breakout " roaming network configuration diagram;
Fig. 5 is the cut-in method flow chart according to roaming UE in the mobile communications network of first embodiment of the invention;
Fig. 6 is the cut-in method flow chart according to roaming UE in the mobile communications network of second embodiment of the invention;
Fig. 7 is the connecting system structure chart according to roaming UE in the mobile communications network of third embodiment of the invention;
Fig. 8 is the network architecture schematic diagram according to the connecting system of roaming UE in the mobile communications network of third embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
The present invention has the situation of multiple connecting system for roaming place operator, when UE inserts V-PLMN, by the V-PLMN decision-making UE is carried out mobile management position between different access systems.Wherein, the V-PLMN foundation of making a strategic decision is: the user signing contract information of the network condition of roaming place operator, the UE of access and the roaming agreement between V-PLMN and the H-PLMN or the like.
Specifically, network condition is meant that it still is single connecting system that the network of roaming place operator comprises multiple connecting system; User signing contract information comprises the multiple or single connecting system that UE supports this roaming place operator; Roaming agreement comprises V-PLMN and allows this UE to insert the multiple or single connecting system of this roaming place.
If the roaming agreement between the user signing contract information of the network condition of roaming place operator, the UE of access and V-PLMN and the H-PLMN all allows the multiple connecting system of this UE access roaming ground operator, then the result of decision is V-PLMN, promptly use the roaming network framework of double-deck IASA, by the IASA among the V-PLMN this UE is carried out mobile management between different access systems, and this UE is routed among the IASA among the H-PLMN; If have a single connecting system that only allows this UE access roaming ground operator at least in the foundation of decision-making, then the result of decision is H-PLMN, promptly use the roaming network framework of individual layer IASA, directly this UE is carried out mobile management between different access systems by the IASA among the H-PLMN.
The cut-in method of roaming UE as shown in Figure 5 in the mobile communications network of first embodiment of the invention.Wherein, MME among the V-PLMN and UPE, IASA are designated as V-MME/UPE, V-IASA respectively; IASA among the H-PLMN is designated as H-IASA.In addition, multiple connecting system in V-PLMN all belongs to same operator, roaming agreement between V-PLMN and the H-PLMN also allows the UE that belongs to H-PLMN to be linked in the multiple Access Network of V-PLMN, and the user signing contract information support of this UE inserts the multiple connecting system of this roaming place operator.
In step 501, UE initiates register requirement to V-PLMN, the request access network.
In step 502, after V-MME/UPE receives the register requirement of UE, this UE is carried out authentication by home signature user server among the H-PLMN (Home Subscriber Server is called for short " HSS ") and UE.
In step 503, behind the authentication by this UE, V-MME/UPE sends register requirement according to the log-on message of this UE to HSS.
In step 504, HSS returns the registration response, wherein comprises the user signing contract information of this UE.
In step 505, V-MME/UPE carries out the decision-making of mobile management position between different access systems according to relevant information, also promptly according to the user signing contract information of the UE of the network condition of roaming place operator, access and the employed network architecture of information decisions such as roaming agreement between V-PLMN and the H-PLMN.Because these decision informations all support this UE to insert the multiple connecting system of this roaming place operator, therefore, its result of decision is V-PLMN, adopts the roaming network framework of double-deck IASA.The result of this decision-making has determined whether the route of this UE passes through V-IASA.
In addition, this decision process can be used (the Mobile IP based on mobile IP, be called for short " MIP ") technology, also can use wireless universal packet service tunnel protocol (GPRS Tunneling Protocol is called for short " GTP "), GTP to strengthen technology, MIP reinforcement technology or the like method.
After making a strategic decision, V-MME/UPE is that UE distributes a mobile management address (Add-M), and wherein, Add-M can be the address of this V-MME/UPE, also can be according to presetting strategy for this UE institute addresses distributed etc.
In step 506, V-MME/UPE is according to the result of decision, and the access request to V-IASA sends this UE wherein comprises Add-M.And V-IASA carries out mobile management between different access systems to UE in this V-PLMN.
In step 507, after V-IASA receives this access request, this UE is carried out the authentication authentication of (Authentication Authorization and Accounting is called for short " AAA ").This verification process and aaa authentication process of the prior art are similar, at length do not launch at this.
In step 508, V-IASA is that this UE distributes a visit address (Add-V), and preserves the Add-M and the corresponding relation of Add-V that is received after receiving the request of inserting, and sends to insert to H-IASA then and asks, and wherein comprises this Add-V.
Wherein, can be this V-IASA be this UE addresses distributed to Add-V, also can be according to presetting strategy for this UE institute addresses distributed etc.
In step 509, H-IASA replaces UE to carry out authorization identifying to aaa server.
In step 510, H-IASA is that UE distributes a home address (Add-H), and preserves Add-V in this message and the corresponding relation of this Add-H, then, returns the access response message to V-IASA, wherein comprises this Add-H.By the terminate service request of this UE of H-IASA.
Similarly, Add-H can be the address of this H-IASA, also can be according to presetting strategy for this UE institute addresses distributed etc.
In step 511, V-IASA is transmitted to V-MME/UPE with the access response message of being received, wherein comprises Add-H.
In step 512, V-MME/UPE returns the registration response message according to inserting response message to this UE, wherein also comprises Add-H.
In step 513, UE returns registration confirmation to V-PLMN.
According to said method, the situation that has multiple connecting system for roaming place operator, roaming UE is linked among the H-IASA by V-IASA, and this UE is carried out mobile management by V-IASA, owing to this UE is not carried out mobile management by H-IASA, can shield the network internal structure of roaming place operator better, and can reduce the signaling quantity on the roaming interface, can support the routing optimality of roaming user data better.
In the mobile communications network of second embodiment of the invention the cut-in method of roaming UE as shown in Figure 6, wherein, MME among the V-PLMN and UPE, IASA also are designated as V-MME/UPE, V-IASA respectively, and the IASA among the H-PLMN is designated as H-IASA too.In addition, the multiple connecting system in V-PLMN all belongs to same operator, but the user signing contract information of this UE only supports to insert the single connecting system of this roaming place operator.
Step 601 is similar to step 504 with step 501 respectively to step 604.
In step 605, V-MME/UPE carries out the decision-making of mobile management position between different access systems according to relevant information, because the user signing contract information of this UE only supports to insert the single connecting system of this roaming place operator, so its result of decision is H-PLMN, adopt the network architecture of individual layer IASA.
After making a strategic decision, V-MME/UPE can distribute Add-M for UE too.
In step 606, V-MME/UPE directly sends the routing update request of this UE according to the result of decision-making to H-IASA, wherein comprise Add-M.And send the routing update request without V-IASA, at this moment, by H-IASA to this UE mobile management between different access systems in V-PLMN.
In step 607, H-IASA can distribute Add-H for UE too when receiving the routing update request message, and preserve Add-M in this message and the corresponding relation of this Add-H, then, return the routing update response message, wherein comprise this Add-H to V-MME/UPE.
Step 608 and step 609 also are similar to step 512 and step 513 respectively, do not repeat them here.
Come the mobile management of UE is made a strategic decision according to network condition, user signing contract information and the V-PLMN of roaming place operator and the relevant informations such as roaming agreement between the H-PLMN by V-MME/UPE, only when all relevant informations are all supported the multiple connecting system of UE access roaming ground operator, its result of decision just is V-PLMN, promptly roaming UE is carried out mobile management by V-IASA, when making UE access roaming zone network, can select optimum routing mode according to actual conditions; In other cases, the result of decision is H-PLMN, promptly by the IASA of H-PLMN roaming UE is carried out mobile management, makes the present invention program and prior art compatibility.
The connecting system of roaming UE comprises UE, V-PLMN and H-PLMN as shown in Figure 7 in the mobile communications network of third embodiment of the invention in this system.Wherein, in H-PLMN, comprise IASA, and in V-PLMN, comprise IASA and MME/UPE.
Specifically, the IASA among the V-PLMN is used for roaming UE is linked into the IASA of H-PLMN, and this UE is carried out mobile management between different access systems in V-PLMN; IASA among the H-PLMN then be used to the to terminate service request of UE.
MME/UPE among the V-PLMN is used for carrying out the decision-making of mobile management position between different access systems according to network condition, user signing contract information and the V-PLMN of roaming place operator and the information such as roaming agreement between the H-PLMN when UE inserts V-PLMN.Wherein,, then this UE is carried out mobile management between different access systems, and UE is linked among the IASA among the H-PLMN by the IASA among this V-PLMN by the IASA among this V-PLMN if the result of decision is V-PLMN; If the result of decision is H-PLMN, then this UE is carried out mobile management between different access systems by the IASA among this H-PLMN.
The roaming network framework that adopts above-mentioned connecting system as shown in Figure 8, Radio Access Network (the RadioAccess Network that comprises the connecting system that adopts different access technologies: GERAN, UTRAN, evolution among the V-PLMN, abbreviation " RAN "), non-3GPP IP Access Network, WLAN (wireless local area network) (WirelessLocal Area Network is called for short " WLAN ") 3GPP IP Access Network etc.
The situation that has multiple connecting system for roaming place operator, adopt method and system of the present invention can shield better roaming place operator the network internal structure, reduce signaling quantity on the roaming interface, support the routing optimality of roaming user data better, and can be compatible preferably with prior art system, these can both meet the requirement of SAE better.In addition, in the respective embodiments described above, all MME and UPE are put into an entity, with IASA as an independent entity, but also uncertain to IASA, MME and the position relation of UPE in entity at present, according to the embodiment of the present invention, those of ordinary skills understand easily, various situations for the position of IASA, MME and UPE entity of living in all do not depart from spirit of the present invention.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (10)
1. the cut-in method of roaming user equipment in the mobile communications network is characterized in that, comprises following steps:
When described subscriber equipment inserted visited network, this visited network carried out the decision-making of the mobile management position between different access systems according to relevant information;
If the result of decision is described visited network, then described subscriber equipment is linked into by anchor point IASA between the connecting system of this visited network among the IASA of home network of this subscriber equipment, and by the IASA of this visited network this subscriber equipment is carried out mobile management between different access systems; If the result of decision is described home network, then this subscriber equipment directly is linked among the IASA of this home network, and by the IASA of this home network this subscriber equipment is carried out mobile management between different access systems.
2. the cut-in method of roaming user equipment is characterized in that in the mobile communications network according to claim 1, and described relevant information comprises one of following or its combination in any:
Network condition, the user signing contract information of described subscriber equipment and the roaming agreement between described visited network and the described home network of described visited network operator.
3. the cut-in method of roaming user equipment in the mobile communications network according to claim 2, it is characterized in that, when carrying out described decision-making, if the visited network carrier network comprises at least two kinds of connecting systems, and having two kinds in these connecting systems at least is allowed by described roaming agreement, and have at least two kinds to be supported by user signing contract information in these connecting systems that are allowed to, then the result of decision is described visited network, otherwise the result of decision is a home network.
4. the cut-in method of roaming user equipment is characterized in that in the mobile communications network according to claim 1, and described visited network carries out the decision-making of described mobile management position by Mobility Management Entity and user entity.
5. the cut-in method of roaming user equipment is characterized in that in the mobile communications network according to claim 4, also comprises following steps:
When described subscriber equipment when inserting described visited network, send login request message according to the log-on message of this subscriber equipment to described home network by the Mobility Management Entity of this visited network and user entity;
Described home network returns registration reply message according to the login request message of described visited network to the Mobility Management Entity and the user entity of this visited network, wherein carries the user signing contract information of described subscriber equipment.
6. the cut-in method of roaming user equipment is characterized in that in the mobile communications network according to claim 4, also comprises following steps:
The Mobility Management Entity of described visited network and user entity are mobile management address of described user equipment allocation after carrying out described decision-making;
Wherein, described mobile management address is the Mobility Management Entity of described visited network and user entity institute's addresses distributed or according to presetting tactful institute addresses distributed.
7. the cut-in method of roaming user equipment is characterized in that in the mobile communications network according to claim 6, when the described result of decision is described home network, also comprises following steps:
The Mobility Management Entity of described visited network and user entity directly send the access request message to the IASA of described home network according to the log-on message of this subscriber equipment, wherein comprise described mobile management address;
The IASA of described home network is when receiving the access request message of described visited network, be home address of described user equipment allocation, and preserve the described mobile management address in this message and the corresponding relation of this home address, then, Mobility Management Entity and user entity by described visited network return the access response message to described subscriber equipment, wherein comprise this home address.
8. the cut-in method of roaming user equipment is characterized in that in the mobile communications network according to claim 6, when the described result of decision is described visited network, also comprises following steps:
The Mobility Management Entity of described visited network and user entity send the access request message according to the log-on message of this subscriber equipment to the IASA of this visited network, wherein comprise described mobile management address;
The IASA of described visited network is after receiving described access request message, be a visit of described user equipment allocation address, and preserve the corresponding relation of described mobile management address and this visit address, send described access request to the IASA of described home network then, wherein comprise this visit address;
The IASA of described home network is when the described access request message of receiving from the IASA of described visited network, be home address of described user equipment allocation, and preserve the described visit address in this message and the corresponding relation of this home address, then, IASA by this visited network and Mobility Management Entity and user entity return the access response message to this subscriber equipment, wherein comprise this home address.
9. the connecting system of roaming user equipment in the mobile communications network comprises subscriber equipment, visited network and home network, it is characterized in that, all comprises IASA in this visited network and home network;
In described visited network, also comprise Mobility Management Entity and user entity, be used for when described subscriber equipment inserts described visited network, carrying out the decision-making of mobile management position between different access systems according to relevant information;
If the result of decision is described visited network, then this subscriber equipment is carried out mobile management between different access systems, and described subscriber equipment is linked among the IASA of described home network by the IASA of this visited network by the IASA of this visited network; If the result of decision is described home network, then this subscriber equipment is carried out mobile management between different access systems by the IASA of this home network.
10. the connecting system of roaming user equipment is characterized in that in the mobile communications network according to claim 9, and described relevant information comprises one of following or its combination in any:
Network condition, the user signing contract information of described subscriber equipment and the roaming agreement between described visited network and the described home network of described visited network operator.
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| CNA2006100734180A CN101043735A (en) | 2006-03-26 | 2006-03-26 | Roaming user equipment accessing method of mobile communication network and system thereof |
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| CNA2006100734180A CN101043735A (en) | 2006-03-26 | 2006-03-26 | Roaming user equipment accessing method of mobile communication network and system thereof |
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| WO2008052467A1 (en) * | 2006-10-25 | 2008-05-08 | Huawei Technologies Co., Ltd. | A handover method and handover system between heterogeneous access systems |
| CN102196405A (en) * | 2010-03-16 | 2011-09-21 | 中兴通讯股份有限公司 | Method and system for acquiring session management information parameters by mobile management entity |
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| CN102802273A (en) * | 2011-05-25 | 2012-11-28 | 中兴通讯股份有限公司 | Network access method, base station and user equipment |
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| CN108347722A (en) * | 2017-12-18 | 2018-07-31 | 国网陕西省电力公司 | Each distribution EPC core network users roam control method and EPC core nets |
| CN108990051A (en) * | 2018-08-01 | 2018-12-11 | 海南宝通实业公司 | A kind of motion management method for supporting motor-driven networking |
| CN108990051B (en) * | 2018-08-01 | 2021-12-07 | 海南宝通实业公司 | Mobility management method supporting mobile networking |
| CN115515125A (en) * | 2021-06-22 | 2022-12-23 | 中国电信股份有限公司 | Control method, device and system for slice access |
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