CN102571582A

CN102571582A - Method and system for rerouting and access network device

Info

Publication number: CN102571582A
Application number: CN2012100046129A
Authority: CN
Inventors: 丁继泉; 江贝
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-01-09
Filing date: 2012-01-09
Publication date: 2012-07-11
Anticipated expiration: 2032-01-09
Also published as: CN102571582B

Abstract

An embodiment of the invention relates to a method and a system for rerouting and an access network device. The method comprises the steps: the access network device sends an accessing request message to a core network device of a first operator; if the access network device receives a first response message carrying first reason information and sent by the core network device of the first operator and the first reason information is included in rerouting reason information configured by the access network device, the access network device sends the accessing request message to the core network device of the first operator, wherein the first reason information is used for representing reasons why user device accessing is rejected by the core network device of the first operator, and the access network device is shared by the first operator and a second operator. The method and the system for rerouting and the access network device can decrease interactive messages in the rerouting process.

Description

The method of heavy-route, system and access network equipment

Technical field

The present invention relates to the communications field, relate in particular to a kind of method, system and access network equipment of heavy-route.

Background technology

MOCN (Multi-Operator Core Network, MOCN) in the network, different operators can be when having separately independently core net share of access network equipment.When the sub-district is MOCN when sharing the sub-district, (User Equipment UE) can select one and connect the subscriber equipment that inserts from this sub-district from the equipment of the core network of a plurality of operators of sharing this sub-district.In the MOCN network, heavy-route is meant subscriber equipment after the equipment of the core network of the operator of initial selected can't insert, and access network equipment goes to select the equipment of the core network of other operators to insert again.

In the prior art; At circuit switching (Circuit Switched; CS) territory; Access network equipment sends when inserting request message to the equipment of the core network of the operator of subscriber equipment initial selected, inserts to comprise " redirect attempt flag " sign in the request message, is used to notify the equipment of the core network of the operator of initial selected when the access request of subscriber equipment is rejected, to send heavy-route to access network equipment and orders (Reroute Command) message.After access network equipment is received Reroute Command message, the equipment of the core network transmission access request to new operator.When subscriber equipment inserted the equipment of the core network of new operator, the equipment of the core network of new operator sent heavy-route to access network equipment and accomplishes (Reroute Complete) message.Yet, in the MOCN network, need these two message of extra using Reroute Command and Reroute Complete to accomplish the heavy-route process between the equipment of the core network of access network equipment and operator, therefore, heavy-route process relative complex.

Summary of the invention

Embodiments of the invention provide method, system and the access network equipment of heavy-route, can reduce the interacting message in the heavy-route process.

On the one hand, a kind of method of heavy-route is provided, has comprised: access network equipment sends the access request message to the equipment of the core network of first operator; If said access network equipment is received first response message that carries first cause information that the equipment of the core network of said first operator sends; And said first cause information is included in the heavy-route cause information of said access network equipment configuration; Then said access network equipment sends the access request message to the equipment of the core network of second operator; Wherein, Said first cause information is used to represent subscriber equipment by the reason of the equipment of the core network of said first operator refusal access, and said access network equipment is shared by said first operator and said second operator.

On the other hand, a kind of access network equipment is provided, has comprised transmitting element, receiving element and control unit, said transmitting element is used for sending the access request message to the equipment of the core network of first operator; Said receiving element; Be used to receive first response message that carries first cause information that the equipment of the core network of said first operator sends, said first cause information is used to the reason of representing that subscriber equipment is inserted by the equipment of the core network of said first operator refusal; If first cause information that said receiving element receives is included in the heavy-route cause information of said access network equipment configuration, said control unit is used to indicate said transmitting element to send the access request message to the equipment of the core network of second operator; Said transmitting element also is used for sending the access request message according to the indication of said control unit to the equipment of the core network of said second operator, and wherein, said access network equipment is shared by said first operator and said second operator.

Again on the one hand; Provide a kind of system of heavy-route to comprise: the equipment of the core network and the access network equipment of the equipment of the core network of first operator, second operator; Said access network equipment is shared by said first operator and said second operator; The equipment of the core network of said first operator is used to receive the access request message that said access network equipment sends; And sending first response message that carries first cause information to said access network equipment, said first cause information is used to the reason of representing that subscriber equipment is inserted by the equipment of the core network of said first operator refusal; Said access network equipment is used for sending the access request message to the equipment of the core network of said first operator; If said first cause information that receives is included in the heavy-route cause information of said access network equipment configuration, said access network equipment also is used for sending the access request message to the equipment of the core network of said second operator.

In the technical scheme of embodiments of the invention; Access network equipment receives first response message that carries first cause information; And judge whether first cause information is included in the heavy-route cause information of said access network equipment configuration; If first cause information is included in the heavy-route cause information of said access network equipment configuration, then access network equipment sends the access request message to the equipment of the core network of second operator.The method of present embodiment can be omitted the command messages of the heavy-route that the equipment of the core network of operator sends; Corresponding; When the equipment of the core network of subscriber equipment access carrier, equipment of the core network need not send heavy-route to access network equipment yet and accomplish message, therefore; Reduce the interaction message between the equipment of the core network of access network equipment and operator, saved system resource.

Description of drawings

Fig. 1 is the flow chart of first embodiment of method of the present invention;

Fig. 2 is the flow chart of second embodiment of method of the present invention;

Fig. 3 is the flow chart of the 3rd embodiment of method of the present invention;

Fig. 4 is the flow chart of the 4th embodiment of method of the present invention;

Fig. 5 is the flow chart of the 5th embodiment of method of the present invention;

Fig. 6 is the flow chart of the 6th embodiment of method of the present invention;

Fig. 7 is the flow chart of the 7th embodiment of method of the present invention;

Fig. 8 is the sketch map of the embodiment of access network equipment of the present invention;

Fig. 9 is the sketch map of the system implementation example of heavy-route of the present invention.

Embodiment

Fig. 1 is the flow chart of first embodiment of the method for heavy-route of the present invention, and the method for this embodiment comprises:

S10: access network equipment sends the access request message to the equipment of the core network of first operator.For the convenience of describing, in this application, access network equipment is referred to as the access request message to the message of the user equipment requests access of the equipment of the core network transmission of operator.Concrete, said access request message can comprise position updating request (Location Updating Request) message or Routing Area Update request (Routing Area Updating Request) message or attach request (Attach Request) message.

S11: if said access network equipment is received first response message that carries first cause information that the equipment of the core network of said first operator sends; And said first cause information is included in the heavy-route cause information of said access network equipment configuration; Then said access network equipment sends the access request message to the equipment of the core network of second operator; Wherein, Said first cause information is used to represent subscriber equipment by the reason of the equipment of the core network of said first operator refusal access, and said access network equipment is shared by said first operator and said second operator.

In the method for present embodiment; Access network equipment receives first response message that carries first cause information; And judge whether first cause information is included in the heavy-route cause information of said access network equipment configuration; If first cause information is included in the heavy-route cause information of said access network equipment configuration, then access network equipment sends the access request message to the equipment of the core network of second operator.The method of present embodiment can be omitted the command messages of the heavy-route that the equipment of the core network of operator sends; Corresponding; When the equipment of the core network of subscriber equipment access carrier, equipment of the core network need not send heavy-route to access network equipment yet and accomplish message, therefore; Reduce the interaction message between the equipment of the core network of access network equipment and operator, saved system resource.

On the basis of present embodiment; If said access network equipment is received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said second operator sends the access request message; If said access network equipment is not received second response message that the equipment of the core network of said second operator sends, then said access network equipment sends said first cause information to said subscriber equipment.

On the basis of present embodiment; If said access network equipment is received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said second operator sends the access request message; If said access network equipment is received second response message that carries second cause information that the equipment of the core network of said second operator sends; Then said access network equipment sends said second cause information to said subscriber equipment, and wherein, said second cause information is used to represent that said subscriber equipment is by the reason of the equipment of the core network of said second operator refusal access.

On the basis of present embodiment; If said access network equipment is received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said second operator sends the access request message; If said access network equipment is received second response message that carries second cause information that the equipment of the core network of said second operator sends; And said second cause information is included in the said heavy-route cause information of said access network equipment configuration; Then said access network equipment sends the access request message to the equipment of the core network of the 3rd operator; Wherein, said access network equipment is shared by said first operator, second operator and the 3rd operator, and said second cause information is used to represent that said subscriber equipment is by the reason of the equipment of the core network of said second operator refusal access.

On the basis of present embodiment; If said access network equipment is received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said second operator sends the access request message; If said access network equipment is received second response message that carries second cause information that the equipment of the core network of said second operator sends; And said second cause information is not included in the said heavy-route cause information of said access network equipment configuration; Then said access network equipment sends said first cause information to said subscriber equipment, and wherein, said second cause information is used to represent that said subscriber equipment is by the reason of the equipment of the core network of said second operator refusal access.

On the basis of present embodiment; If said access network equipment is received first response message that carries first cause information that the equipment of the core network of said first operator sends; And said first cause information is not included in the heavy-route cause information of said access network equipment configuration; Then said access network equipment sends the not message of heavy-route to said subscriber equipment, and wherein, the message of said not heavy-route is used to notify the said access network equipment of said subscriber equipment not initiate heavy-route.

On the basis of present embodiment; If said access network equipment is not received said first response message that the equipment of the core network of said first operator sends; Then said access network equipment sends the access request message to the equipment of the core network of the 4th operator; Wherein, said access network equipment is shared with said the 4th operator by said first, second.

On the basis of present embodiment; If said access network equipment is not received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said the 4th operator sends the access request message; If said access network equipment is not received the 4th response message that the equipment of the core network of said the 4th operator sends; Then said access network equipment sends default cause information to said subscriber equipment, and wherein, said default cause information is used to represent that the equipment of the core network of said first operator and the 4th operator does not all send the response message of said access request message.

On the basis of present embodiment; If said access network equipment is not received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said the 4th operator sends the access request message; If said access network equipment is received the 4th response message that carries the 4th cause information that the equipment of the core network of said the 4th operator sends; Then said access network equipment sends said the 4th cause information to said subscriber equipment, and wherein, said the 4th cause information is used to represent that said subscriber equipment is by the reason of the equipment of the core network of said the 4th operator refusal access.

On the basis of present embodiment; If said access network equipment is not received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said the 4th operator sends the access request message; If said access network equipment is received the 4th response message that carries the 4th cause information that the equipment of the core network of said the 4th operator sends; And said the 4th cause information is included in the said heavy-route cause information of said access network equipment configuration; Then said access network equipment sends the access request message to the equipment of the core network of the 5th operator; Wherein, said access network equipment is shared by said first operator, second operator, the 4th operator and the 5th operator, and said the 4th cause information is used to represent that said subscriber equipment is by the reason of the equipment of the core network of said the 4th operator refusal access.

On the basis of present embodiment; If said access network equipment is not received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said the 4th operator sends the access request message; If said access network equipment is received the 4th response message that carries the 4th cause information that the equipment of the core network of said the 4th operator sends; And said the 4th cause information is not included in the said heavy-route cause information of said access network equipment configuration; Then said access network equipment sends the not message of heavy-route to said subscriber equipment; Wherein, the message of said not heavy-route is used to notify the said access network equipment of said subscriber equipment not initiate heavy-route, and said the 4th cause information is used to represent that said subscriber equipment is by the reason of the equipment of the core network of said the 4th operator refusal access.

Fig. 2 is the flow chart of second embodiment of the method for heavy-route of the present invention, and the method for this embodiment comprises:

S100: access network equipment sends the access request message to the equipment of the core network of first operator.

S101: access network equipment judges whether to receive first response message that the equipment of the core network of first operator sends, and if not, then carries out S102, if then carry out S103.The equipment of the core network that said first response message is first operator is to the response message of the access request message of access network equipment transmission.

S102: access network equipment sends the access request message to the equipment of the core network of the 4th operator.The method of present embodiment also can only implement S102, and does not carry out S103 to S107.

S103: access network equipment judges whether first response message carries first cause information, if not, then carries out S104, if then carry out S105.Said first cause information is used to represent that subscriber equipment is by the reason of the equipment of the core network of first operator refusal access.Concrete; If first response message carries first cause information, then first response message can upgrade refusal (Location Updating Reject) message or Routing Area Update refusal (Routing Area Updating Reject) message or adhere to refusal (Attach Reject) message for the position.Said first cause information can be for being carried at the cause value in said first response message; Also can be for being carried at the field identification in said first response message, or other can be used to represent the information of the reason that subscriber equipment is inserted by the equipment of the core network of first operator refusal.

S104: the message that accepting of the sending acceptance that subscriber equipment inserts inserts if first response message is the equipment of the core network of first operator, then said access network equipment sends to subscriber equipment and receives information.In this application, for the convenience of describing, will be used for the notifying user equipment access and ask to be called to receive information by the message of the equipment of the core network of operator acceptance.Concrete, the message that said acceptance inserts can be upgraded for the position and accept (Location Updating Accept) message or Routing Area Update acceptance (Routing Area Updating Accept) message or adhere to acceptance (Attach Accept) message.The method of present embodiment also can only implement S104, and does not carry out S105 to S107.

S105: access network equipment judges that whether first cause information is included in the heavy-route cause information of said access network equipment configuration, if not, then carries out S106, if then carry out S107.Said heavy-route cause information is used to represent that said access network equipment can initiate the reason of heavy-route.Said heavy-route cause information can be configured according at least a situation in the performance condition of the load state of equipment of the core network, equipment of the core network.For example: the equipment of the core network in sharing the sub-district allows subscriber equipment to roam; And when the load of equipment of the core network can be born, the cause information that does not allow roaming (Roaming not allowed in this location area) in the lane place is configured to the heavy-route cause information.According to the load state of equipment of the core network, the performance condition of equipment of the core network, access network equipment can dispose a plurality of heavy-route cause informations.

S106: access network equipment sends the not message of heavy-route to subscriber equipment.The message of said not heavy-route is used to notify the said access network equipment of said subscriber equipment not initiate heavy-route.The method of present embodiment also can only implement S106, and does not carry out S107.

S107: access network equipment sends the access request message to the equipment of the core network of second operator.Concrete, said second operator can also can repeat no more at this for different operators for identical operator with said the 4th operator.

Further; When access network equipment is not received first response message that the equipment of the core network of first operator sends; Access network equipment directly sends the access request message to the equipment of the core network of the 4th operator; Solved in the prior art, because of the equipment of the core network response timeout of the whole link occurs fault between the equipment of the core network of the access network equipment and first operator or first operator cause can't heavy-route problem.

Fig. 3 is the flow chart of the 3rd embodiment of the method for heavy-route of the present invention.On the basis of the method for first embodiment, the method for present embodiment also further comprises:

S108: said access network equipment to the equipment of the core network of second operator send insert request message after, access network equipment judges whether to receive second response message that the equipment of the core network of second operator sends, and if not, then carries out S109, if then carry out S110.The equipment of the core network that said second response message is second operator is to the response message of the access request message of access network equipment transmission.

S109: access network equipment sends said first cause information to subscriber equipment.Through said first cause information, access network equipment notifies the reason of the equipment of the core network refusing user's equipment access of first operator to said subscriber equipment.Optional, if also have other operators that can insert in the MOCN network, then S109 can also replace with: access network equipment sends the access request message to the equipment of the core network of other operators.

S110: access network equipment judges whether second response message carries second cause information, if not, then carries out S111, if then carry out S112a.Said second cause information is used to represent that subscriber equipment is by the reason of the equipment of the core network of second operator refusal access.

S111: the message that accepting of the sending acceptance that subscriber equipment inserts inserts if second response message is the equipment of the core network of second operator, then said access network equipment sends to subscriber equipment and receives information.

S112a: access network equipment sends said second cause information to subscriber equipment.Through said second cause information, access network equipment notifies the last reason of the equipment of the core network refusing user's equipment access of operator to said subscriber equipment.Optional, said access network equipment also can send in said first, second cause information the cause information that priority is higher to subscriber equipment.The priority of cause information is high more, and subscriber equipment overcomes the problem that is inserted by the equipment of the core network refusal more easily.

In the method for present embodiment; When subscriber equipment is refused by the equipment of the core network of first operator because of first cause information; And during second response message that the equipment of the core network that can't receive second operator sends, access network equipment sends first cause information to subscriber equipment; When subscriber equipment is refused by the equipment of the core network of first operator because of first cause information; When being refused by the equipment of the core network of second operator because of second cause information; Access network equipment sends second cause information to subscriber equipment; Be the reason that access network equipment inserts according to different refusals, send different cause informations, thereby make subscriber equipment can adopt corresponding method to overcome the problem that is inserted by the equipment of the core network refusal to subscriber equipment.

Fig. 4 is the flow chart of the 4th embodiment of the method for heavy-route of the present invention.On the basis of the method for first embodiment, the method for present embodiment also further comprises:

S109: access network equipment sends said first cause information to subscriber equipment.Through said first cause information, access network equipment notifies the reason of the equipment of the core network refusing user's equipment access of first operator to said subscriber equipment.Optional, if also have other operators that can insert in the MOCN network, then S109 can also replace with: access network equipment sends the access request message to the equipment of the core network of the 3rd operator.

S110: access network equipment judges whether second response message carries second cause information, if not, then carries out S111, if then carry out S112b.Said second cause information is used to represent that subscriber equipment is by the reason of the equipment of the core network of second operator refusal access.

S112b: access network equipment judges that whether second cause information is included in the heavy-route cause information of said access network equipment configuration, if not, then carries out S113, if then carry out S114.

S113: access network equipment sends first cause information to subscriber equipment.

S114: access network equipment sends the access request message to the equipment of the core network of the 3rd operator.Said the 3rd operator can also can repeat no more at this for different operators for identical operator with said the 4th operator.

In the present embodiment, if also have other operators that can insert in the MOCN network, then access network equipment sends the access request message to the equipment of the core network of the 3rd operator, has improved the possibility that subscriber equipment inserts.

In second, third embodiment; After said access network equipment was received second response of carrying second cause information that the equipment of the core network of said second operator sends, whether access network equipment had other new operators to confirm one of them among execution S112a and the S112b according to MOCN.For example:, then carry out S112a if do not have other operators that can insert in the MOCN network; If also have other operators that can insert in the MOCN network, then carry out S112b.

Fig. 5 is the flow chart of the 5th embodiment of the method for heavy-route of the present invention.On the basis of the method for first embodiment, the method for present embodiment also further comprises:

S115: said access network equipment to the equipment of the core network of the 4th operator send insert request message after, access network equipment judges whether to receive the 4th response message that the equipment of the core network of the 4th operator sends, and if not, then carries out S116, if then carry out S117.The equipment of the core network that said the 4th response message is the 4th operator is to the response message of the access request message of access network equipment transmission.

S116: access network equipment sends default cause information to subscriber equipment.The equipment of the core network that said default cause information is used for core net and the 4th operator of said first operator of notifying user equipment does not all send the response message of said access request message.Optional, if also have other operators that can insert in the MOCN network, then S116 can also replace with: access network equipment sends the access request message to the equipment of the core network of other operators.

S117: access network equipment judges whether the 4th response message carries the 4th cause information, if not, then carries out S118, if then carry out S119a.Said the 4th cause information is used to represent that subscriber equipment is by the reason of the equipment of the core network of the 4th operator refusal access.

S118: the message that accepting of the sending acceptance that subscriber equipment inserts inserts if the 4th response message is the equipment of the core network of the 4th operator, then said access network equipment sends to subscriber equipment and receives information.

S119a: access network equipment sends said the 4th cause information to subscriber equipment.Through said the 4th cause information, access network equipment notifies the last reason of the equipment of the core network refusing user's equipment access of operator to said subscriber equipment.

In the method for present embodiment; When subscriber equipment can't be received first response message that the equipment of the core network of first operator sends; And when being refused by the equipment of the core network of the 4th operator because of the 4th cause information, access network equipment sends the 4th cause information to subscriber equipment; When subscriber equipment can't be received first response message that the equipment of the core network of first operator sends; And during the 4th response message that the equipment of the core network that can't receive the 4th operator sends; Access network equipment sends default cause information to subscriber equipment; Be the reason that access network equipment inserts according to different refusals, send different cause informations, thereby make subscriber equipment can adopt corresponding method to overcome the problem that is inserted by the equipment of the core network refusal to subscriber equipment.

Fig. 6 is the flow chart of the 6th embodiment of the method for heavy-route of the present invention.On the basis of the method for first embodiment, the method for present embodiment also further comprises:

S116: access network equipment sends default cause information to subscriber equipment.The equipment of the core network that said default cause information is used for equipment of the core network and the 4th operator of said first operator of notifying user equipment does not all send the response message of said access request message.Optional, if also have other operators that can insert in the MOCN network, then S116 can also replace with: access network equipment sends the access request message to the equipment of the core network of other operators.

S119b: access network equipment judges that whether the 4th cause information is included in the heavy-route cause information of said access network equipment configuration, if not, then carries out S120, if then carry out S121.

S120: access network equipment sends the not message of heavy-route to subscriber equipment.

S121: access network equipment sends the access request message to the equipment of the core network of the 5th operator.Said the 5th operator can also can repeat no more at this for different operators for identical operator with said second, third operator.

In the present embodiment, if also have other operators that can insert in the MOCN network, then access network equipment sends the access request message to the equipment of the core network of the 5th operator, has improved the possibility that subscriber equipment inserts.

In the 4th, the 5th embodiment; After said access network equipment was received the 4th response that comprises the 4th cause information that the equipment of the core network of said the 4th operator sends, whether access network equipment had other new operators to confirm one of them among execution S119a and the S119b according to MOCN.For example:, then carry out S119a if do not have other operators that can insert in the MOCN network; If also have other operators that can insert in the MOCN network, then carry out S119b.

Fig. 7 is the flow chart of the 7th embodiment of the method for heavy-route of the present invention.In the present embodiment; Access network equipment is the location update request message in CS territory to the access request message of the equipment of the core network transmission of operator; The response message that the equipment of the core network of operator sends is that message is accepted in the position renewal or refuse information is upgraded in the position; The cause information that is carried in the response message that equipment of the core network sends is to be carried at the position to upgrade the cause value in the refuse information, the heavy-route cause information of the access network equipment configuration route cause value of attaching most importance to.The method of present embodiment comprises:

S201: access network equipment is set up with subscriber equipment and is eated dishes without rice or wine to be connected.

S202: access network equipment sends location update request message to the equipment of the core network of first operator.

S203: access network equipment receives the position of the equipment of the core network transmission of first operator and upgrades refuse information.Because present embodiment relates to the method for heavy-route, therefore, accepts the situation of position updating request at this equipment of the core network of no longer describing first operator.The equipment of the core network refusal position reason for renewing value that comprises first operator in the refuse information is upgraded in said position.For example, refusal position reason for renewing value is #13, then representes not allow in the lane place roaming.

S204: access network equipment receives the position of the equipment of the core network transmission of operator and upgrades refuse information; And judge that whether the refusal position reason for renewing value of carrying in the said position renewal refuse information is included in the heavy-route cause value of configuration, if not, then carries out S205; If then carry out S206.

S205: access network equipment sends the not message of heavy-route to subscriber equipment.

S206: access network equipment sends location update request message to the equipment of the core network of second operator.

If the equipment of the core network of second operator refusal position updating request is then carried out S207a and S208a; If the equipment of the core network of second operator is accepted position updating request, then carry out S207b and S208b.

S207a: access network equipment receives the position of the equipment of the core network transmission of second operator and upgrades refuse information.The equipment of the core network refusal position reason for renewing value that comprises second operator in the refuse information is upgraded in said position.For example, refusal position reason for renewing value is #12, then representes not allow user equipment to update position in the present position-region of equipment of the core network of second operator.

S208a: access network equipment sends refusal position reason for renewing value #12 to subscriber equipment.

S208a also can replace with: access network equipment judges that position that the equipment of the core network of second operator sends upgrades the refusal position reason for renewing value of carrying in the refuse information and whether be included in the heavy-route cause value of configuration; If then the equipment of the core network to the 3rd operator sends location update request message; If not, then send the refusal position reason for renewing value #13 of the equipment of the core network transmission of first operator to subscriber equipment.

S207b: access network equipment receives the position renewal of the equipment of the core network transmission of second operator and accepts message.

S208b: access network equipment sends the position renewal to subscriber equipment and accepts message.

According to identical principle; When the access request message that sends to the equipment of the core network of first operator when access network equipment is the Routing Area Update request message in PS territory; The message that the refusal that the equipment of the core network of said first operator sends inserts is Routing Area Update Reject message; Said Routing Area Update Reject message carries the cause value of refusal Routing Area Update; Whether access network equipment is included in the heavy-route cause value of configuration through the cause value of the refusal Routing Area Update that the equipment of the core network of judging first operator sends, and determines whether carrying out heavy-route, repeats no more at this.When the access request message that sends to the equipment of the core network of first operator when access network equipment is Attach Request message; The message that the refusal that the equipment of the core network of said first operator sends inserts is for adhering to refuse information; The said refuse information of adhering to is carried the cause value that refusal adheres to; Whether the cause value that the refusal that access network equipment sends through the equipment of the core network of judging first operator adheres to is included in the heavy-route cause value of configuration, determines whether carrying out heavy-route, repeats no more at this.

Need to prove; For aforesaid each method embodiment; For simple description, thus it all is expressed as a series of combination of actions, but those skilled in the art should know; The present invention does not receive the restriction of described sequence of movement, because some step also can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action might not be that the present invention is necessary.

Fig. 8 is the sketch map of the embodiment of access network equipment of the present invention.Access network equipment of the present invention comprises transmitting element 81, receiving element 82 and control unit 83.Said transmitting element 81 is used for sending the access request message to the equipment of the core network of first operator.Said receiving element 82 is used to receive first response message that carries first cause information that the equipment of the core network of said first operator sends, and said first cause information is used to the reason of representing that subscriber equipment is inserted by the equipment of the core network of said first operator refusal.Be used for if first cause information that said receiving element 82 receives is included in the heavy-route cause information of said access network equipment configuration, said control unit 83 is used to indicate said transmitting element 81 to send the access request message to the equipment of the core network of second operator.Said transmitting element 81 also is used for sending the access request message according to the indication of said control unit 83 to the equipment of the core network of said second operator, and wherein, said access network equipment is shared by said first operator and said second operator.

Concrete; Said first cause information can be for being carried at the cause value in said first response message; Also can be for being carried at the field identification in said first response message, or other can be used to represent the information of the reason that subscriber equipment is inserted by the equipment of the core network of first operator refusal.Said heavy-route cause information is used to represent that said access network equipment can initiate the reason of heavy-route.Said heavy-route cause information can be configured according at least a situation in the performance condition of the load state of equipment of the core network, equipment of the core network.

The principle of the access network equipment of present embodiment is following:

Transmitting element 81 sends the access request message to the equipment of the core network of first operator.If said receiving element 82 receives first response message that carries first cause information that the equipment of the core network of said first operator sends; And said first cause information is included in the heavy-route cause information of said access network equipment configuration, and then said control unit indicates said transmitting element 81 to send the access request message to the equipment of the core network of second operator.Said transmitting element 81 sends the access request message according to the indication of said control unit 83 to the equipment of the core network of said second operator.

In the access network equipment of present embodiment; Receiving element 82 receives first response message that carries first cause information; If first cause information is included in the heavy-route cause information of said access network equipment configuration, then control unit 83 indication transmitting elements 72 send the access request message to the equipment of the core network of second operator.The equipment of the core network that the access network equipment of present embodiment is not wanted operator sends the command messages of heavy-route, just can accomplish the process of heavy-route separately.Therefore, reduce the interaction message between the equipment of the core network of access network equipment and operator, saved system resource.

On the basis of embodiment shown in Figure 8; If said receiving element 82 is not received second response message that the equipment of the core network of said second operator sends, said control unit 83 also is used to indicate said transmitting element 81 to send said first cause information to said subscriber equipment; Said transmitting element 81 also is used for sending said first cause information according to the indication of said control unit 83 to said subscriber equipment.

When said receiving element 82 is not received first response message that the equipment of the core network of first operator sends; Said transmitting element 81 directly sends the access request message to the equipment of the core network of the 4th operator; Solved in the prior art, because of the equipment of the core network response timeout of the whole link occurs fault between the equipment of the core network of the access network equipment and first operator or first operator cause can't heavy-route problem.

On the basis of embodiment shown in Figure 8; Said receiving element 82 also is used to receive second response message that carries second cause information that the equipment of the core network of said second operator sends, and said second cause information is used to the reason of representing that said subscriber equipment is inserted by the equipment of the core network of said second operator refusal.If said receiving element 82 receives said second response message that the equipment of the core network of said second operator sends, said control unit 83 also is used to indicate said transmitting element 81 to send said second cause information to said subscriber equipment.Said transmitting element 81 also is used for sending said second cause information according to the indication of said control unit to said subscriber equipment.

On the basis of embodiment shown in Figure 8; Said receiving element 82 also is used to receive second response message that carries second cause information that the equipment of the core network of said second operator sends, and said second cause information is used to the reason of representing that said subscriber equipment is inserted by the equipment of the core network of said second operator refusal.If said receiving element 82 receives said second response message that carries second cause information that the equipment of the core network of said second operator sends; And said second cause information that said receiving element 82 receives is included in the said heavy-route cause information of said access network equipment configuration, and said control unit 83 also is used to indicate said transmitting element 81 to send the access request message to the equipment of the core network of the 3rd operator.Said transmitting element 81 also is used for sending the access request message according to the indication of said control unit to the equipment of the core network of said the 3rd operator, and said access network equipment is shared by said first operator, said second operator and said the 3rd operator.

On the basis of embodiment shown in Figure 8; Said receiving element 82 also is used to receive second response message that carries second cause information that the equipment of the core network of said second operator sends, and said second cause information is used to the reason of representing that said subscriber equipment is inserted by the equipment of the core network of said second operator refusal.If said receiving element 82 receives said second response message that carries second cause information that the equipment of the core network of said second operator sends; And said second cause information that said receiving element 82 receives is not included in the said heavy-route cause information of said access network equipment configuration, and said control unit 83 also is used to indicate said transmitting element 81 to send said first cause information to said subscriber equipment.Said transmitting element 81 also is used for sending said first cause information according to the indication of said control unit to said subscriber equipment.

On the basis of embodiment shown in Figure 8; If first cause information that said receiving element 82 receives is not included in the heavy-route cause information of said access network equipment configuration; Said control unit 83 also is used to indicate said transmitting element 81 to send the not message of heavy-route to said subscriber equipment, and the message of said not heavy-route is used to notify the said access network equipment of said subscriber equipment not initiate heavy-route.Said transmitting element 81 also is used for sending to said subscriber equipment according to the indication of said control unit the message of said not heavy-route.

On the basis of embodiment shown in Figure 8; If said receiving element 82 is not received said first response message that the equipment of the core network of said first operator sends, said control unit 83 also is used to indicate said transmitting element 81 to send the access request message to the equipment of the core network of the 4th operator.Said transmitting element 81 also is used for sending the access request message according to the indication of said control unit 83 to the equipment of the core network of said the 4th operator.Said access network equipment is shared by said first operator, said second operator and said the 4th operator.

On the basis of embodiment shown in Figure 8; If said receiving element 82 is not received said the 4th response message that the equipment of the core network of said the 4th operator sends; Then said control unit 83 also is used to indicate said transmitting element 81 to send default cause information to said subscriber equipment, and said default cause information is used to represent that the equipment of the core network of said first operator and said the 4th operator does not all send the response message of said access request message.Said transmitting element 81 also is used for sending said default cause information according to the indication of said control unit to said subscriber equipment.

On the basis of embodiment shown in Figure 8; Said receiving element 82 also is used to receive the 4th response message that carries the 4th cause information that the equipment of the core network of said the 4th operator sends, and said the 4th cause information is used to the reason of representing that said subscriber equipment is inserted by the equipment of the core network of said the 4th operator refusal.If said receiving element 82 is received said the 4th cause information, then said control unit 83 also is used to indicate said transmitting element to send said the 4th cause information to 81 said subscriber equipmenies.Said transmitting element 81 also is used for sending said the 4th cause information according to the indication of said control unit to said subscriber equipment.

On the basis of embodiment shown in Figure 8; Said receiving element 82 also is used to receive the 4th response message that carries the 4th cause information that the equipment of the core network of said the 4th operator sends, and said the 4th cause information is used to the reason of representing that said subscriber equipment is inserted by the equipment of the core network of said the 4th operator refusal.If said receiving element 82 is received said the 4th cause information; And said the 4th cause information is included in the said heavy-route cause information of said access network equipment configuration, and then said control unit 83 also is used to indicate said transmitting element to send the access request message to the equipment of the core network of the 5th operator.Said transmitting element 81 also is used for sending the access request message according to the indication of said control unit to the equipment of the core network of said the 5th operator.Said access network equipment is shared by said first operator, said second operator shares, said the 4th operator shares and said the 5th operator shares.

On the basis of embodiment shown in Figure 8; Said receiving element 82 also is used to receive the 4th response message that carries the 4th cause information that the equipment of the core network of said the 4th operator sends, and said the 4th cause information is used to the reason of representing that said subscriber equipment is inserted by the equipment of the core network of said the 4th operator refusal.If said receiving element 82 is received said the 4th cause information; And said the 4th cause information is not included in the said heavy-route cause information of said access network equipment configuration; Then said control unit 83 also is used to indicate said transmitting element 81 to send the not message of heavy-route to said subscriber equipment, and the message of said not heavy-route is used to notify the said access network equipment of said subscriber equipment not initiate heavy-route.Said transmitting element 81 also is used for sending to said subscriber equipment according to the indication of said control unit the message of said not heavy-route.

Fig. 9 is the sketch map of the system implementation example of heavy-route of the present invention.The system of the heavy-route of present embodiment comprises: the equipment of the core network 91 of first operator, the equipment of the core network 92 and the access network equipment 93 of second operator.Said access network equipment 93 is shared by said first operator and said second operator.

The equipment of the core network 91 of said first operator is used to receive the access request message that said access network equipment 93 sends; And sending first response message that carries first cause information to said access network equipment 93, said first cause information is used to the reason of representing that subscriber equipment is inserted by equipment of the core network 91 refusals of said first operator.

Said access network equipment 93 is used for sending the access request message to the equipment of the core network 91 of said first operator; If said first cause information that receives is included in the heavy-route cause information of said access network equipment 93 configurations, said access network equipment 93 also is used for sending the access request message to the equipment of the core network 92 of said second operator.

In the system of present embodiment; Access network equipment receives first response message that carries first cause information; And judge whether first cause information is included in the heavy-route cause information of said access network equipment configuration; If first cause information is included in the heavy-route cause information of said access network equipment configuration, then access network equipment sends the access request message to the equipment of the core network of second operator.The equipment of the core network that the method for present embodiment is not wanted operator sends the command messages of heavy-route; Corresponding; When the equipment of the core network of subscriber equipment access carrier, equipment of the core network need not send heavy-route to access network equipment yet and accomplish message, therefore; Reduce the interaction message between the equipment of the core network of access network equipment and operator, saved system resource.

In each embodiment of method of the present invention, system and access network equipment, insert request message and can comprise location update request message or Routing Area Update request message or Attach Request message.Response message can comprise that refuse information is upgraded in the position or Routing Area Update Reject message perhaps adheres to refuse information.If the cause information that is carried in the response message that equipment of the core network sends is a cause value, then corresponding cause value can be referring in the 3GPP agreement, the corresponding cause value of different reasons that equipment of the core network refusing user's equipment inserts.For example: #11 representes on business land mobile network (Public Land Mobile Network altogether; PLMN) do not allow (PLMN not allowed) and represented the reason that do not allow (Location area not allowed) to be inserted because of the lane place by reason, #12 that equipment of the core network refusal inserts by the equipment of the core network of operator refusal; #13 representes to represent that because of reason, the #14 that does not allow roaming (Roaming not allowed in this location area) to be refused to insert by the equipment of the core network of operator in the lane place (General Packet Radio Service GPRS) is not represented do not have proper cell (No suitable cells in location area) by the reason of the equipment of the core network of operator refusal access because of the lane place by reason, #15 that the equipment of the core network of operator refusal inserts because of not allowing general packet radio service among the PLMN.

In above-mentioned each embodiment, the heavy-route cause value of access network equipment configuration can be selected from the 3GPP agreement according to the load state of equipment of the core network, the factors such as performance condition of equipment of the core network.The heavy-route cause value of said access network equipment configuration can form a heavy-route cause value table.Table 1 illustrates for the heavy-route cause value table of access network equipment configuration.

Table 1

Sequence number	The heavy-route cause value
		11	#11
12	#12
		13	#13
14	#14
		15	#15

In above-mentioned each embodiment; Adopt the equipment of the core network of first operator, the equipment of the core network of second operator, the equipment of the core network of the 3rd operator, the equipment of the core network of the 4th operator and the equipment of the core network of the 5th operator; First cause information, second cause information and the 4th cause information; First response message, second response message and the 3rd response message; Among the application first, second, third, fourth, the 5th clearly describes just to convenient, do not represent mutual order.

The those skilled in the art can be well understood to, for the convenience described with succinct, the concrete course of work of the access network equipment of foregoing description and the system of heavy-route can repeat no more at this with reference to the corresponding process among the preceding method embodiment.

In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, do not have the part that details among certain embodiment, can be referring to the associated description of other embodiment, thus each embodiment also can mutually combine and obtains new embodiment, repeats no more here.

Description through above execution mode; Those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform; Can certainly all implement, but the former is better execution mode under a lot of situation through hardware.Based on such understanding; All or part of can the coming out that technical scheme of the present invention contributes to background technology with the embodied of software product; This computer software product can be stored in the storage medium, like ROM/RAM, magnetic disc, CD etc., comprises that some instructions are with so that a computer equipment (can be a personal computer; Server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.

Above disclosedly be merely a plurality of embodiment of the present invention, can not limit the present invention's interest field certainly with this, the equivalent variations of therefore doing according to claim of the present invention still belongs to the scope that the present invention is contained.

Claims

1. the method for a heavy-route is characterized in that, comprising:

Access network equipment sends the access request message to the equipment of the core network of first operator;

If said access network equipment is received first response message that carries first cause information that the equipment of the core network of said first operator sends; And said first cause information is included in the heavy-route cause information of said access network equipment configuration; Then said access network equipment sends the access request message to the equipment of the core network of second operator; Wherein, Said first cause information is used to represent subscriber equipment by the reason of the equipment of the core network of said first operator refusal access, and said access network equipment is shared by said first operator and said second operator.

2. method according to claim 1; It is characterized in that; If said access network equipment is received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said second operator sends the access request message, if said access network equipment is not received second response message that the equipment of the core network of said second operator sends, then said access network equipment sends said first cause information to said subscriber equipment.

3. method according to claim 1; It is characterized in that; If said access network equipment is received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said second operator sends the access request message, if said access network equipment is received second response message that carries second cause information that the equipment of the core network of said second operator sends, then said access network equipment sends said second cause information to said subscriber equipment; Wherein, said second cause information is used to represent that said subscriber equipment is by the reason of the equipment of the core network of said second operator refusal access.

4. method according to claim 1; It is characterized in that; If said access network equipment is received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said second operator sends the access request message; If said access network equipment is received second response message that carries second cause information that the equipment of the core network of said second operator sends; And said second cause information is included in the said heavy-route cause information of said access network equipment configuration, and then said access network equipment sends the access request message to the equipment of the core network of the 3rd operator, wherein; Said access network equipment is shared by said first operator, second operator and the 3rd operator, and said second cause information is used to represent that said subscriber equipment is by the reason of the equipment of the core network of said second operator refusal access.

5. method according to claim 1; It is characterized in that; If said access network equipment is received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said second operator sends the access request message; If said access network equipment is received second response message that carries second cause information that the equipment of the core network of said second operator sends, and said second cause information is not included in the said heavy-route cause information of said access network equipment configuration, and then said access network equipment sends said first cause information to said subscriber equipment; Wherein, said second cause information is used to represent that said subscriber equipment is by the reason of the equipment of the core network of said second operator refusal access.

6. according to any described method in the claim 1 to 5; It is characterized in that; If said access network equipment is received first response message that carries first cause information that the equipment of the core network of said first operator sends; And said first cause information is not included in the heavy-route cause information of said access network equipment configuration; Then said access network equipment sends the not message of heavy-route to said subscriber equipment, and wherein, the message of said not heavy-route is used to notify the said access network equipment of said subscriber equipment not initiate heavy-route.

7. according to any described method in the claim 1 to 5; It is characterized in that; If said access network equipment is not received said first response message that the equipment of the core network of said first operator sends; Then said access network equipment sends the access request message to the equipment of the core network of the 4th operator, and wherein, said access network equipment is shared with said the 4th operator by said first, second.

8. method according to claim 7; It is characterized in that; If said access network equipment is not received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said the 4th operator sends the access request message, if said access network equipment is not received the 4th response message that the equipment of the core network of said the 4th operator sends, then said access network equipment sends default cause information to said subscriber equipment; Wherein, said default cause information is used to represent that the equipment of the core network of said first operator and the 4th operator does not all send the response message of said access request message.

9. method according to claim 7; It is characterized in that; If said access network equipment is not received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said the 4th operator sends the access request message, if said access network equipment is received the 4th response message that carries the 4th cause information that the equipment of the core network of said the 4th operator sends, then said access network equipment sends said the 4th cause information to said subscriber equipment; Wherein, said the 4th cause information is used to represent that said subscriber equipment is by the reason of the equipment of the core network of said the 4th operator refusal access.

10. method according to claim 7; It is characterized in that; If said access network equipment is not received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said the 4th operator sends the access request message; If said access network equipment is received the 4th response message that carries the 4th cause information that the equipment of the core network of said the 4th operator sends; And said the 4th cause information is included in the said heavy-route cause information of said access network equipment configuration, and then said access network equipment sends the access request message to the equipment of the core network of the 5th operator, wherein; Said access network equipment is shared by said first operator, second operator, the 4th operator and the 5th operator, and said the 4th cause information is used to represent that said subscriber equipment is by the reason of the equipment of the core network of said the 4th operator refusal access.

11. method according to claim 7; It is characterized in that; If said access network equipment is not received said first response message that the equipment of the core network of said first operator sends; And said access network equipment is after the equipment of the core network of said the 4th operator sends the access request message; If said access network equipment is received the 4th response message that carries the 4th cause information that the equipment of the core network of said the 4th operator sends; And said the 4th cause information is not included in the said heavy-route cause information of said access network equipment configuration, and then said access network equipment sends the not message of heavy-route to said subscriber equipment, wherein; The message of said not heavy-route is used to notify the said access network equipment of said subscriber equipment not initiate heavy-route, and said the 4th cause information is used to represent that said subscriber equipment is by the reason of the equipment of the core network of said the 4th operator refusal access.

12., it is characterized in that said cause information is a cause value according to any described method in the claim 1 to 11.

13., it is characterized in that said access request message comprises location update request message or Routing Area Update request message or Attach Request message according to any described method in the claim 1 to 11.

14., it is characterized in that said response message comprises that refuse information is upgraded in the position or Routing Area Update Reject message perhaps adheres to refuse information according to any described method in the claim 1 to 11.

15. an access network equipment is characterized in that, comprises transmitting element, receiving element and control unit,

Said transmitting element is used for sending the access request message to the equipment of the core network of first operator;

Said receiving element; Be used to receive first response message that carries first cause information that the equipment of the core network of said first operator sends, said first cause information is used to the reason of representing that subscriber equipment is inserted by the equipment of the core network of said first operator refusal;

If first cause information that said receiving element receives is included in the heavy-route cause information of said access network equipment configuration, said control unit is used to indicate said transmitting element to send the access request message to the equipment of the core network of second operator;

Said transmitting element also is used for sending the access request message according to the indication of said control unit to the equipment of the core network of said second operator, and wherein, said access network equipment is shared by said first operator and said second operator.

16. access network equipment according to claim 15; It is characterized in that; If said receiving element is not received second response message that the equipment of the core network of said second operator sends, said control unit also is used to indicate said transmitting element to send said first cause information to said subscriber equipment; Said transmitting element also is used for sending said first cause information according to the indication of said control unit to said subscriber equipment.

17. access network equipment according to claim 15; It is characterized in that; Said receiving element also is used to receive second response message that carries second cause information that the equipment of the core network of said second operator sends, and said second cause information is used to the reason of representing that said subscriber equipment is inserted by the equipment of the core network of said second operator refusal; If said receiving element receives said second response message that the equipment of the core network of said second operator sends, said control unit also is used to indicate said transmitting element to send said second cause information to said subscriber equipment; Said transmitting element also is used for sending said second cause information according to the indication of said control unit to said subscriber equipment.

18. access network equipment according to claim 15; It is characterized in that; Said receiving element also is used to receive second response message that carries second cause information that the equipment of the core network of said second operator sends, and said second cause information is used to the reason of representing that said subscriber equipment is inserted by the equipment of the core network of said second operator refusal; If said receiving element receives said second response message that carries second cause information that the equipment of the core network of said second operator sends; And said second cause information that said receiving element receives is included in the said heavy-route cause information of said access network equipment configuration, and said control unit also is used to indicate said transmitting element to send the access request message to the equipment of the core network of the 3rd operator; Said transmitting element also is used for sending the access request message according to the indication of said control unit to the equipment of the core network of said the 3rd operator, and said access network equipment is shared by said first operator, said second operator and said the 3rd operator.

19. access network equipment according to claim 15; It is characterized in that; Said receiving element also is used to receive second response message that carries second cause information that the equipment of the core network of said second operator sends, and said second cause information is used to the reason of representing that said subscriber equipment is inserted by the equipment of the core network of said second operator refusal; If said receiving element receives said second response message that carries second cause information that the equipment of the core network of said second operator sends; And said second cause information that said receiving element receives is not included in the said heavy-route cause information of said access network equipment configuration, and said control unit also is used to indicate said transmitting element to send said first cause information to said subscriber equipment; Said transmitting element also is used for sending said first cause information according to the indication of said control unit to said subscriber equipment.

20. according to any described access network equipment in the claim 15 to 19; It is characterized in that; If first cause information that said receiving element receives is not included in the heavy-route cause information of said access network equipment configuration; Said control unit also is used to indicate said transmitting element to send the not message of heavy-route to said subscriber equipment, and the message of said not heavy-route is used to notify the said access network equipment of said subscriber equipment not initiate heavy-route; Said transmitting element also is used for sending to said subscriber equipment according to the indication of said control unit the message of said not heavy-route.

21. according to any described access network equipment in the claim 15 to 19; It is characterized in that; If said receiving element is not received said first response message that the equipment of the core network of said first operator sends, said control unit also is used to indicate said transmitting element to send the access request message to the equipment of the core network of the 4th operator; Said transmitting element also is used for sending the access request message according to the indication of said control unit to the equipment of the core network of said the 4th operator, and said access network equipment is shared by said first operator, said second operator and said the 4th operator.

22. access network equipment according to claim 21; It is characterized in that; If said receiving element is not received said the 4th response message that the equipment of the core network of said the 4th operator sends; Then said control unit also is used to indicate said transmitting element to send default cause information to said subscriber equipment, and said default cause information is used to represent that the equipment of the core network of said first operator and said the 4th operator does not all send the response message of said access request message; Said transmitting element also is used for sending said default cause information according to the indication of said control unit to said subscriber equipment.

23. access network equipment according to claim 21; It is characterized in that; Said receiving element also is used to receive the 4th response message that carries the 4th cause information that the equipment of the core network of said the 4th operator sends, and said the 4th cause information is used to the reason of representing that said subscriber equipment is inserted by the equipment of the core network of said the 4th operator refusal; If said receiving element is received said the 4th cause information, then said control unit also is used to indicate said transmitting element to send said the 4th cause information to said subscriber equipment; Said transmitting element also is used for sending said the 4th cause information according to the indication of said control unit to said subscriber equipment.

24. access network equipment according to claim 21; It is characterized in that; Said receiving element also is used to receive the 4th response message that carries the 4th cause information that the equipment of the core network of said the 4th operator sends, and said the 4th cause information is used to the reason of representing that said subscriber equipment is inserted by the equipment of the core network of said the 4th operator refusal; If said receiving element is received said the 4th cause information; And said the 4th cause information is included in the said heavy-route cause information of said access network equipment configuration, and then said control unit also is used to indicate said transmitting element to send the access request message to the equipment of the core network of the 5th operator; Said transmitting element also is used for sending the access request message according to the indication of said control unit to the equipment of the core network of said the 5th operator, and said access network equipment is shared by said first operator, said second operator shares, said the 4th operator shares and said the 5th operator shares.

25. access network equipment according to claim 21; It is characterized in that; Said receiving element also is used to receive the 4th response message that carries the 4th cause information that the equipment of the core network of said the 4th operator sends, and said the 4th cause information is used to the reason of representing that said subscriber equipment is inserted by the equipment of the core network of said the 4th operator refusal; If said receiving element is received said the 4th cause information; And said the 4th cause information is not included in the said heavy-route cause information of said access network equipment configuration; Then said control unit also is used to indicate said transmitting element to send the not message of heavy-route to said subscriber equipment, and the message of said not heavy-route is used to notify the said access network equipment of said subscriber equipment not initiate heavy-route; Said transmitting element also is used for sending to said subscriber equipment according to the indication of said control unit the message of said not heavy-route.

26., it is characterized in that said cause information is a cause value according to any described access network equipment in the claim 15 to 25.

27., it is characterized in that said access request message comprises location update request message or Routing Area Update request message or Attach Request message according to any described access network equipment in the claim 15 to 25.

28., it is characterized in that said response message comprises that refuse information is upgraded in the position or Routing Area Update Reject message perhaps adheres to refuse information according to any described access network equipment in the claim 15 to 25.

29. the system of a heavy-route is characterized in that, comprising: the equipment of the core network and the access network equipment of the equipment of the core network of first operator, second operator, said access network equipment is shared by said first operator and said second operator,

The equipment of the core network of said first operator is used to receive the access request message that said access network equipment sends; And sending first response message that carries first cause information to said access network equipment, said first cause information is used to the reason of representing that subscriber equipment is inserted by the equipment of the core network of said first operator refusal;

Said access network equipment is used for sending the access request message to the equipment of the core network of said first operator; If said first cause information that receives is included in the heavy-route cause information of said access network equipment configuration, said access network equipment also is used for sending the access request message to the equipment of the core network of said second operator.

30. the system of heavy-route according to claim 29 is characterized in that, said access network equipment is like any described access network equipment in the claim 15 to 28.