CN102571581A - Re-routing method, re-routing system, base station controller, and core network equipment in MOCN - Google Patents
Re-routing method, re-routing system, base station controller, and core network equipment in MOCN Download PDFInfo
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- CN102571581A CN102571581A CN2012100022340A CN201210002234A CN102571581A CN 102571581 A CN102571581 A CN 102571581A CN 2012100022340 A CN2012100022340 A CN 2012100022340A CN 201210002234 A CN201210002234 A CN 201210002234A CN 102571581 A CN102571581 A CN 102571581A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The embodiment of the invention relates to a re-routing method, a re-routing system, a base station controller and core network equipment in an MOCN (Multi-Operator Core Network). The method comprises the following steps: when receiving attach rejection information sent by a first operator core network, the base station controller modifies the UI frame sequence number in the attach request information to the pre-arranged value and sends out the attach request information with the modified UI frame sequence number to the core network of a second operator, so as to allow the core network of the second operator to send control information to a mobile station; and through the control information, the UI frame of the mobile station can send out state variable, and restore the state variable received by the UI frame to the original value. According to the embodiment of the invention, the problem that the re-routing failure occurs when the original value of the state variable received by the UI frame of the mobile station is changed is solved.
Description
Technical field
The present invention relates to the communications field, relate in particular to MOCN (Multi-Operator CoreNetwork, MOCN) method of heavy-route, system and base station controller, equipment of the core network in the network.
Background technology
The MOCN function allow different operators through equipment of the core network independently with cell granularity sharing base subsystem (Base Station Subsystem; BSS); Can greatly improve degree of share such as frequency spectrum, equipment, transmission, webmaster, at utmost reduce user's cost.Along with the joint situation of operator is more and more general, the application of corresponding M OCN shared network in existing network is also more and more.
In the prior art, (Mobile Station is MS) with GPRS serving GPRS support node (ServingGPRS Support Node for travelling carriage; SGSN) all comprise unacknowledged information (Unconfirmed Information; UI) frame send state variable V (U) is used to write down the sequence number of UI frame next to be sent, and the scope of V (U) is 0～511; Behind the intact UI frame of every transmission, V (U) adds 1.Carry frame number N (U) in each UI frame, the value of V (U) when the value of N (U) equals to send this UI frame.
Travelling carriage and SGSN also comprise UI frame accepting state variable V (UR), are used for representing the N (U) of the UI frame that next expectation is received, the scope of V (UR) is 0～511, and behind UI frame of every reception, V (UR) adds 1.Travelling carriage or SGSN judge whether N (U) is legal when receiving the UI frame, if the N (U) of recipient's V (UR) and the UI frame that receives satisfies (V (UR)-32)≤N (U)＜V (UR), think that then N (U) is illegal, abandon this UI frame.
Yet; In the MOCN network; When travelling carriage after the attach request (AttachRequest) that a SGSN sends is rejected, (Base Station Controller BSC) is forwarded to the 2nd SGSN with travelling carriage to the attach request that a SGSN sends to base station controller.Before the Attach Request message that base station controller forwarding travelling carriage sends was given the 2nd SGSN, travelling carriage had Signalling exchange with a SGSN, and this moment, the V (UR) of travelling carriage was not an initial value 0.When sending to travelling carriage, adheres to when accepting message (Attach Accept) the 2nd SGSN; The N that carries in the message (U) maybe be because can be in (V (UR)-32)≤N (U)＜V (UR) scope and be moved platform and abandon; Make travelling carriage can't be attached to the 2nd SGSN, cause the failure of heavy-route.
Summary of the invention
Embodiments of the invention provide method, system and base station controller, the equipment of the core network of heavy-route in the MOCN network, the problem of the heavy-route failure that can avoid initial value because of the UI frame accepting state variable of travelling carriage to change causing.
The method of heavy-route in a kind of MOCN network that the embodiment of the invention provides; Comprise: when base station controller receive that the core net of first operator sends adhere to refuse information the time, base station controller is revised as preset value with the UI frame number that comprises in the Attach Request message; Base station controller sends to the amended Attach Request message of UI frame number the core net of second operator; Amended Attach Request message makes the core net of second operator transmit control message to travelling carriage, and control messages makes the UI frame send state variable of travelling carriage and UI frame accepting state variable revert to initial value.
The method of heavy-route in a kind of MOCN network that the embodiment of the invention provides comprises: the UI frame number that equipment of the core network reception base station controller sends is modified to the Attach Request message of preset value; Equipment of the core network transmits control message to travelling carriage according to Attach Request message, and control messages makes the UI frame send state variable of travelling carriage and UI frame accepting state variable revert to initial value.
A kind of base station controller that the embodiment of the invention provides comprises: receiver module is used to receive the refuse information of adhering to that the core net of first operator sends; Modified module; When receiver module is received when adhering to refuse information; Be used for the UI frame number of Attach Request message is revised as preset value; Amended Attach Request message makes the core net of second operator transmit control message to travelling carriage, and control messages makes the UI frame send state variable of travelling carriage and UI frame accepting state variable revert to initial value; Sending module is used for sending amended Attach Request message to the core net of second operator.
A kind of equipment of the core network that the embodiment of the invention provides comprises: receiver module is used to receive the Attach Request message that UI frame number that base station controller sends is modified to preset value; Sending module is used for transmitting control message to travelling carriage according to amended Attach Request message, and control messages makes the UI frame send state variable of travelling carriage and UI frame accepting state variable revert to initial value.
The system of heavy-route in a kind of MOCN network that the embodiment of the invention provides; Comprise: the core net of base station controller, first operator and the core net of second operator; When said base station controller receive that the core net of said first operator sends adhere to refuse information the time; Said base station controller is revised as preset value with the UI frame number that comprises in the Attach Request message, and amended attach request is sent to the core net of said second operator; The core net of said second operator transmits control message to travelling carriage according to said amended Attach Request message, and said control messages makes the UI frame send state variable of said travelling carriage and UI frame accepting state variable revert to initial value.
In the method for embodiments of the invention, when base station controller receive that the core net of first operator sends adhere to refuse information the time, said base station controller is revised as preset value with the UI frame number that comprises in the Attach Request message.The core net of second operator transmits control message to travelling carriage according to amended Attach Request message, and said control messages makes the UI frame send state variable of said user's travelling carriage and UI frame accepting state variable revert to initial value.Therefore; The core net of second operator to travelling carriage send adhere to the N (U) that accepts to carry in the message can be in (V (UR)-32)≤N (U)＜V (UR) scope; Adhere to and accept message and can not be moved platform and abandon; Thereby avoided in the MOCN networking, adhered to the problem of accepting the heavy-route failure that message causes because of travelling carriage can't receive.
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 sketch map of the embodiment of base station controller of the present invention;
Fig. 5 is the sketch map of the embodiment of equipment of the core network of the present invention;
Fig. 6 is the sketch map of system implementation example of the present invention.
Embodiment
Embodiments of the invention provide method, system and base station controller, the equipment of the core network of heavy-route in the MOCN network.In an embodiment of the present invention, heavy-route is meant after the core net of the operator of initial selected can't insert, and goes to select the core net of other operators to insert again.In an embodiment of the present invention, the core net of operator can (Mobile Switching Center MSC) or SGSN, but be not limited to these two types for mobile switching centre.
Fig. 1 is the flow chart of first embodiment of the method for heavy-route in the MOCN network of the present invention, and the method for this embodiment comprises:
S10: when base station controller receive that the core net of first operator sends adhere to refuse information the time, said base station controller is revised as preset value with the UI frame number that comprises in the Attach Request message.Concrete, the preset value of said UI frame number can be for being greater than or equal to 3 natural number, and is optional; The preset value of said UI frame number is to be greater than or equal to 5 natural number; Certainly, the preset value of said UI frame number also can dispose according to design demand, perhaps; According to the mutual information number decision of needs usually before attach request of refusal between base station controller and the core net, repeat no more at this.
S11: said base station controller sends to the amended Attach Request message of UI frame number the core net of second operator; Said amended Attach Request message makes the core net of said second operator transmit control message to travelling carriage, and said control messages makes the UI frame send state variable of said travelling carriage and UI frame accepting state variable revert to initial value.Concrete; Said control messages can be exchange identification (Exchange Identification; XID) message comprises (RESET) parameter that resets in the said exchange identification message, the initial value of said UI frame send state variable and UI frame accepting state variable can be 0.
Fig. 2 is the flow chart of second embodiment of method of the present invention.On the basis of the method for first embodiment of the invention; With the core net of said first, second operator be that preset value that first, second SGSN, base station controller are modified as the UI frame number is 5, the initial value of the UI frame send state variable of travelling carriage and UI frame accepting state variable is 0 to be example, specifies the particular content of this enforcement.The method of this embodiment comprises:
S201: travelling carriage sends Attach Request message to base station controller.In the said Attach Request message, UI frame number N (U) is 0.
S202: the said Attach Request message of base station controller buffer memory.
S203: base station controller is forwarded to a SGSN with said Attach Request message.
S204: a SGSN sends identification request (Identify Request) message to travelling carriage, and the UI frame number N (U) in the said identification request message is 0.
S205: travelling carriage receives the identification request message that a said SGSN sends, and sends identification response (Identify Response) message to a SGSN, and the UI frame number N (U) in the said identification response message is 1.At this moment, the UI frame accepting state variable V (UR) of travelling carriage is 1.
S206: if the attach request of said SGSN refusal travelling carriage is then sent to travelling carriage and adhered to refusal (Attach Reject) message.The said UI frame number N (U) that adheres in the refuse information is 1.
S207: base station controller reads the Attach Request message of said buffer memory, and the UI frame number N (U) in the said Attach Request message is 0.
S208: base station controller is revised as preset value 5 with the UI frame number N (U) in the Attach Request message of said buffer memory.
S209: base station controller sends to the 2nd SGSN with amended Attach Request message.
S210: the 2nd SGSN reception UI frame number N (U) is 5 Attach Request message, according to this amended Attach Request message, sends exchange identification message to travelling carriage, comprises reset parameter in the said exchange identification message.
S211: travelling carriage receives the exchange identification message that the 2nd SGSN sends, and according to this exchange identification message, and the UI frame send state variable V (U) and the UI frame accepting state variable V (UR) of travelling carriage reverted to initial value 0.
The method of present embodiment can further include:
S212: travelling carriage sends exchange identification message to the 2nd SGSN, comprises reset parameter in the said exchange identification message.According to this exchange identification message, the 2nd SGSN reverts to initial value 0 with self UI frame send state variable V (U) and UI frame accepting state variable V (UR).
In the method for first, second embodiment of the present invention, when base station controller receive that the core net of first operator sends adhere to refuse information the time, said base station controller is revised as preset value with the UI frame number that comprises in the Attach Request message.The core net of second operator transmits control message to travelling carriage according to amended Attach Request message, and said control messages makes the UI frame send state variable of said user's travelling carriage and UI frame accepting state variable revert to initial value.Therefore; The core net of second operator to travelling carriage send adhere to the N (U) that accepts to carry in the message can be in (V (UR)-32)≤N (U)＜V (UR) scope; Adhere to and accept message and can not be moved platform and abandon; Thereby avoided in the MOCN networking, adhered to the problem of accepting the heavy-route failure that message causes because of travelling carriage can't receive.
Fig. 3 is the flow chart of the 3rd embodiment of method of the present invention.The method of this embodiment comprises:
S31: the UI frame number that equipment of the core network reception base station controller sends is modified to the Attach Request message of preset value.Concrete, the preset value of said UI frame number can be for being greater than or equal to 3 natural number, and is optional; The preset value of said UI frame number is to be greater than or equal to 5 natural number; Certainly, the preset value of said UI frame number also can dispose according to design demand, repeats no more at this.
S32: said equipment of the core network transmits control message to travelling carriage according to said Attach Request message, and said control messages makes the UI frame send state variable of said travelling carriage and UI frame accepting state variable revert to initial value.Concrete, said control messages can be exchange identification message, comprises reset parameter in the said exchange identification message, the initial value of said UI frame send state variable and UI frame accepting state variable can be 0.
In the method for present embodiment; The UI frame number that equipment of the core network reception base station controller sends is modified to the Attach Request message of preset value; And transmit control message to travelling carriage, make the UI frame send state variable of said travelling carriage and UI frame accepting state variable revert to initial value.Therefore; Equipment of the core network to travelling carriage send adhere to the N (U) that accepts to carry in the message can be in (V (UR)-32)≤N (U)＜V (UR) scope; Adhere to and accept message and can not be moved platform and abandon; Thereby avoided in the MOCN networking, adhered to the problem of accepting the heavy-route failure that message causes because of travelling carriage can't receive.
Fig. 4 is the sketch map of the embodiment of base station controller of the present invention.The base station controller of present embodiment comprises receiver module 41, modified module 42 and sending module 43.Said receiver module 41 is used to receive the refuse information of adhering to that the core net of first operator sends.
When said receiver module 41 is received said when adhering to refuse information; Said modified module 42 is used for the UI frame number of Attach Request message is revised as preset value; Said amended Attach Request message makes the core net of second operator transmit control message to travelling carriage, and said control messages makes the UI frame send state variable of said travelling carriage and UI frame accepting state variable revert to initial value.Concrete, said control messages is an exchange identification message, comprises reset parameter in the said exchange identification message.The preset value that the UI frame number is modified as is to be greater than or equal to 3 natural number, and preferred, said preset value is to be greater than or equal to 5 natural number, and the initial value of the UI frame send state variable of travelling carriage and UI frame accepting state variable is 0.
Said sending module 43 is used for sending said amended Attach Request message to the core net of said second operator.
Further, all right storage module 44 of the base station controller of present embodiment is used to store the said Attach Request message that said travelling carriage sends, and said modified module 42 is revised the said Attach Request message that stores in the said storage module 44.
The base station controller of present embodiment when the core net that receives first operator send adhere to refuse information the time, the UI frame number that comprises in the Attach Request message is revised as preset value.Said amended Attach Request message makes the core net of second operator transmit control message to travelling carriage, and said control messages makes the UI frame send state variable of said user's travelling carriage and UI frame accepting state variable revert to initial value.Therefore; The core net of second operator to travelling carriage send adhere to the N (U) that accepts to carry in the message can be in (V (UR)-32)≤N (U)＜V (UR) scope; Adhere to and accept message and can not be moved platform and abandon; Thereby avoided in the MOCN networking, adhered to the problem of accepting the heavy-route failure that message causes because of travelling carriage can't receive.
Fig. 5 is the sketch map of the embodiment of equipment of the core network of the present invention.The equipment of the core network of present embodiment comprises receiver module 51 and sending module 52.Said receiver module 51 is used to receive the Attach Request message that UI frame number that base station controller sends is modified to preset value.Said sending module 52 is used for transmitting control message to travelling carriage according to said amended Attach Request message, and said control messages makes the UI frame send state variable of said travelling carriage and UI frame accepting state variable revert to initial value.Concrete, said equipment of the core network can be the GPRS serving GPRS support node, said control messages is an exchange identification message, comprises reset parameter in the said exchange identification message.The preset value that the UI frame number is modified as is to be greater than or equal to 3 natural number, and preferred, said preset value is to be greater than or equal to 5 natural number, and the initial value of the UI frame send state variable of travelling carriage and UI frame accepting state variable is 0.
The UI frame number that the equipment of the core network reception base station controller of present embodiment sends is modified to the Attach Request message of preset value; And transmit control message to travelling carriage, make the UI frame send state variable of said travelling carriage and UI frame accepting state variable revert to initial value.Therefore; Equipment of the core network to travelling carriage send adhere to the N (U) that accepts to carry in the message can be in (V (UR)-32)≤N (U)＜V (UR) scope; Adhere to and accept message and can not be moved platform and abandon; Thereby avoided in the MOCN networking, adhered to the problem of accepting the heavy-route failure that message causes because of travelling carriage can't receive.
Fig. 6 is the sketch map of the system implementation example of heavy-route in the MOCN network of the present invention.The system of present embodiment comprises the core net 62 of base station controller 61, first operator and the core net 63 of second operator.
When said base station controller 61 receive that the core net 62 of said first operator sends adhere to refuse information the time; Said base station controller 61 is revised as preset value with the UI frame number that comprises in the Attach Request message, and amended attach request is sent to the core net 62 of said second operator.
The core net 62 of said second operator transmits control message to travelling carriage according to said amended Attach Request message, and said control messages makes the UI frame send state variable of said travelling carriage and UI frame accepting state variable revert to initial value.Concrete, said control messages is an exchange identification message, comprises reset parameter in the said exchange identification message.The preset value that the UI frame number is modified as is to be greater than or equal to 3 natural number, and preferred, said preset value is to be greater than or equal to 5 natural number, and the initial value of the UI frame send state variable of travelling carriage and UI frame accepting state variable is 0.
In the system of present embodiment, when base station controller receive that the core net of first operator sends adhere to refuse information the time, said base station controller is revised as preset value with the UI frame number that comprises in the Attach Request message.The core net of second operator transmits control message to travelling carriage according to amended Attach Request message, and said control messages makes the UI frame send state variable of said user's travelling carriage and UI frame accepting state variable revert to initial value.Therefore; The core net of second operator to travelling carriage send adhere to the N (U) that accepts to carry in the message can be in (V (UR)-32)≤N (U)＜V (UR) scope; Adhere to and accept message and can not be moved platform and abandon; Thereby avoided in the MOCN networking, adhered to the problem of accepting the heavy-route failure that message causes because of travelling carriage can't receive.
In the MOCN of the invention described above network among the embodiment of method, system and the base station controller of heavy-route, equipment of the core network; Core net with two operators is an example; Specify the principle of various embodiments of the present invention, but various embodiments of the present invention are not limited to the core net of two operators, according to the principle of various embodiments of the present invention exposure; Various embodiments of the present invention can also be applied to the core net of the operator more than three, repeat no more at this.
In above-mentioned each embodiment; Describe for ease; Adopt the core net of first, second operator, but the core net of said first, second operator might not be first, the core net of second operator, adopt first, second only to be used for distinguishing each other the core net of operator.
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 (19)
1. the method for heavy-route in the MOCN network is characterized in that, comprising:
When base station controller receive that the core net of first operator sends adhere to refuse information the time, said base station controller is revised as preset value with the unacknowledged information UI frame number that comprises in the Attach Request message;
Said base station controller sends to the amended Attach Request message of UI frame number the core net of second operator; Said amended Attach Request message makes the core net of said second operator transmit control message to travelling carriage, and said control messages makes the UI frame send state variable of said travelling carriage and UI frame accepting state variable revert to initial value.
2. method according to claim 1 is characterized in that, said preset value is to be greater than or equal to 3 natural number.
3. method according to claim 1 is characterized in that, said initial value is 0.
4. according to any described method in the claim 1 to 3, it is characterized in that said control messages is an exchange identification message, comprise reset parameter in the said exchange identification message.
5. the method for heavy-route in the MOCN network is characterized in that, comprising:
The unacknowledged information UI frame number that equipment of the core network reception base station controller sends is modified to the Attach Request message of preset value;
Said equipment of the core network transmits control message to travelling carriage according to said Attach Request message, and said control messages makes the UI frame send state variable of said travelling carriage and UI frame accepting state variable revert to initial value.
6. method according to claim 5 is characterized in that, said preset value is to be greater than or equal to 3 natural number.
7. method according to claim 5 is characterized in that, said initial value is 0.
8. according to any described method in the claim 5 to 7, it is characterized in that said control messages is an exchange identification message, comprise reset parameter in the said exchange identification message.
9. a base station controller is characterized in that, comprising:
Receiver module is used to receive the refuse information of adhering to that the core net of first operator sends;
Modified module; When said receiver module is received said when adhering to refuse information; Be used for the unacknowledged information UI frame number of Attach Request message is revised as preset value; Said amended Attach Request message makes the core net of second operator transmit control message to travelling carriage, and said control messages makes the UI frame send state variable of said travelling carriage and UI frame accepting state variable revert to initial value;
Sending module is used for sending said amended Attach Request message to the core net of said second operator.
10. base station controller according to claim 9 is characterized in that, said control messages is an exchange identification message, comprises reset parameter in the said exchange identification message.
11. base station controller according to claim 9 is characterized in that, said preset value is to be greater than or equal to 3 natural number.
12. base station controller according to claim 9 is characterized in that, said initial value is 0.
13., it is characterized in that said base station controller also comprises according to any described base station controller in the claim 9 to 12:
Storage module is used to store the said Attach Request message that said travelling carriage sends, and said modified module is revised the said Attach Request message that stores in the said storage module.
14. an equipment of the core network is characterized in that, comprising:
Receiver module is used to receive the Attach Request message that unacknowledged information UI frame number that base station controller sends is modified to preset value;
Sending module is used for transmitting control message to travelling carriage according to said amended Attach Request message, and said control messages makes the UI frame send state variable of said travelling carriage and UI frame accepting state variable revert to initial value.
15. equipment of the core network according to claim 14 is characterized in that, said equipment of the core network is the GPRS serving GPRS support node.
16. equipment of the core network according to claim 14 is characterized in that, said control messages is an exchange identification message, comprises reset parameter in the said exchange identification message.
17. equipment of the core network according to claim 14 is characterized in that, said preset value is to be greater than or equal to 3 natural number.
18. equipment of the core network according to claim 14 is characterized in that, said initial value is 0.
19. the system of heavy-route in the MOCN network; It is characterized in that; Comprise according to any described base station controller in 9 to 13, and according to any described equipment of the core network in 14 to 18, said base station controller is communicated by letter with said equipment of the core network.
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| CN201210002234.0A CN102571581B (en) | 2012-01-05 | 2012-01-05 | The method of heavy-route, system and base station controller, equipment of the core network in MOCN network |
| PCT/CN2012/086937 WO2013102401A1 (en) | 2012-01-05 | 2012-12-19 | Re-routing method and system in mocn network, base station controller and core network device |
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| CN201210002234.0A CN102571581B (en) | 2012-01-05 | 2012-01-05 | The method of heavy-route, system and base station controller, equipment of the core network in MOCN network |
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| WO2015070424A1 (en) * | 2013-11-14 | 2015-05-21 | 华为技术有限公司 | User device registration/routing update method and device |
| CN105052089A (en) * | 2013-11-14 | 2015-11-11 | 华为技术有限公司 | User device registration/routing update method and device |
| CN106559869A (en) * | 2015-09-30 | 2017-04-05 | 中兴通讯股份有限公司 | Registration in MOCN nets is initiated and processing method, base station controller, mobile station and system |
| WO2017054449A1 (en) * | 2015-09-30 | 2017-04-06 | 中兴通讯股份有限公司 | Method for initiating and processing registration in mocn, base station controller, mobile station, system, and computer readable storage medium |
| CN106559869B (en) * | 2015-09-30 | 2021-02-19 | 中兴通讯股份有限公司 | Registration initiating and processing method, base station controller, mobile station and system in MOCN (multimedia over cellular network) |
| WO2019228103A1 (en) * | 2018-06-01 | 2019-12-05 | 奇酷互联网络科技（深圳）有限公司 | Network attachment control method and device, and mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013102401A1 (en) | 2013-07-11 |
| CN102571581B (en) | 2015-11-25 |
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