CN102571581B - The method of heavy-route, system and base station controller, equipment of the core network in MOCN network - Google Patents
The method of heavy-route, system and base station controller, equipment of the core network in MOCN network Download PDFInfo
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- CN102571581B CN102571581B CN201210002234.0A CN201210002234A CN102571581B CN 102571581 B CN102571581 B CN 102571581B CN 201210002234 A CN201210002234 A CN 201210002234A CN 102571581 B CN102571581 B CN 102571581B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
Embodiments of the invention relate to the method for heavy-route in MOCN network, system and base station controller, equipment of the core network.The method of embodiments of the invention comprises: when the attachment refuse information that the core net that base station controller receives the first operator sends, the UI frame number comprised in Attach Request message is revised as preset value by described base station controller; Amended for UI frame number Attach Request message is sent to the core net of the second operator by described base station controller, described amended Attach Request message makes the core net of described second operator transmit control message to travelling carriage, and described control message makes the UI frame send state variable of described travelling carriage and UI frame accepting state variable restore be initial value.Embodiments of the invention can be avoided in MOCN networking, the initial value because of the UI frame accepting state variable of travelling carriage can be avoided to change and the problem of the heavy-route failure caused.
Description
Technical field
The present invention relates to the communications field, particularly relate to the method for heavy-route in MOCN (Multi-OperatorCoreNetwork, MOCN) network, system and base station controller, equipment of the core network.
Background technology
MOCN function allows different operators by independently equipment of the core network with cell granularity sharing base subsystem (BaseStationSubsystem, BSS), can greatly improve the degree of share such as frequency spectrum, equipment, transmission, webmaster, at utmost reduce the cost of user.Along with the joint situation of operator is more and more general, the application of corresponding MOCN shared network in existing network also gets more and more.
In prior art, travelling carriage (MobileStation, and GPRS serving GPRS support node (ServingGPRSSupportNode MS), SGSN) unacknowledged information (UnconfirmedInformation is all comprised, UI) frame send state variable V (U), for recording the sequence number of UI frame next to be sent, the scope of V (U) is 0 ~ 511, after often sending a UI frame, V (U) adds 1.Frame number N (U) is carried, the value of V (U) when the value of N (U) equals to send this UI frame in each UI frame.
Travelling carriage and SGSN also comprise UI frame accepting state variable V (UR), for representing the next N (U) expected in the UI frame received, the scope of V (UR) is 0 ~ 511, and after often receiving a UI frame, V (UR) adds 1.Travelling carriage or SGSN are when receiving UI frame, judge that whether N (U) is legal, if the V of recipient (UR) meets (V (UR)-32)≤N (U) < V (UR) with the N (U) of the UI frame received, then think that N (U) is illegal, abandon this UI frame.
But, in MOCN network, after the attachment request (AttachRequest) sent to a SGSN when travelling carriage is rejected, the attachment request forward that travelling carriage sends to a SGSN by base station controller (BaseStationController, BSC) is to the 2nd SGSN.Base station controller forward travelling carriage send Attach Request message to the 2nd SGSN before, travelling carriage the with one SGSN had Signalling exchange, and now the V (UR) of travelling carriage has not been initial value 0.When the 2nd SGSN accepts message (AttachAccept) to travelling carriage transmission attachment, the N (U) carried in message may abandon because can be moved platform in (V (UR)-32)≤N (U) < V (UR) scope, make travelling carriage cannot be attached to the 2nd SGSN, cause the failure of heavy-route.
Summary of the invention
Embodiments of the invention provide the method for heavy-route in MOCN network, system and base station controller, equipment of the core network, the initial value because of the UI frame accepting state variable of travelling carriage can be avoided to change and the problem of the heavy-route failure caused.
The method of heavy-route in a kind of MOCN network that the embodiment of the present invention provides, comprise: when the attachment refuse information that the core net that base station controller receives the first operator sends, the UI frame number comprised in Attach Request message is revised as preset value by base station controller; Amended for UI frame number Attach Request message is sent to the core net of the second operator by base station controller, amended Attach Request message makes the core net of the second operator transmit control message to travelling carriage, and control message makes the UI frame send state variable of travelling carriage and UI frame accepting state variable restore be initial value.
The method of heavy-route in a kind of MOCN network that the embodiment of the present invention provides, comprising: 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, according to Attach Request message, transmits control message to travelling carriage, and control message makes the UI frame send state variable of travelling carriage and UI frame accepting state variable restore be initial value.
A kind of base station controller that the embodiment of the present invention provides, comprising: receiver module, the attachment refuse information that the core net for receiving the first operator sends; Modified module, when receiver module receives attachment refuse information, for the UI frame number in Attach Request message is revised as preset value, amended Attach Request message makes the core net of the second operator transmit control message to travelling carriage, and control message makes the UI frame send state variable of travelling carriage and UI frame accepting state variable restore be initial value; Sending module, for sending amended Attach Request message to the core net of the second operator.
A kind of equipment of the core network that the embodiment of the present invention provides, comprising: receiver module, and the UI frame number sent for receiving base station controller is modified to the Attach Request message of preset value; Sending module, for transmitting control message to travelling carriage according to amended Attach Request message, control message makes the UI frame send state variable of travelling carriage and UI frame accepting state variable restore be initial value.
The system of heavy-route in a kind of MOCN network that the embodiment of the present invention provides, comprise: the core net of base station controller, the first operator and the core net of the second operator, when the attachment refuse information that the core net that described base station controller receives described first operator sends, the UI frame number comprised in Attach Request message is revised as preset value by described base station controller, and amended attachment request is sent to the core net of described second operator; The core net of described second operator transmits control message to travelling carriage according to described amended Attach Request message, and described control message makes the UI frame send state variable of described travelling carriage and UI frame accepting state variable restore be initial value.
In the method for embodiments of the invention, when the attachment refuse information that the core net that base station controller receives the first operator sends, the UI frame number comprised in Attach Request message is revised as preset value by described base station controller.The core net of the second operator transmits control message to travelling carriage according to amended Attach Request message, and described control message makes the UI frame send state variable of described user's travelling carriage and UI frame accepting state variable restore be initial value.Therefore, the core net of the second operator can not in (V (UR)-32)≤N (U) < V (UR) scope to the N (U) that the attachment that travelling carriage sends accepts to carry in message, attachment accepts message and can not be moved platform and abandon, thus avoid in MOCN networking, accept message and the problem of heavy-route failure that causes because travelling carriage cannot receive attachment.
Accompanying drawing explanation
Fig. 1 is the flow chart of the first embodiment of method of the present invention;
Fig. 2 is the flow chart of the 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 schematic diagram of the embodiment of base station controller of the present invention;
Fig. 5 is the schematic diagram of the embodiment of equipment of the core network of the present invention;
Fig. 6 is the schematic diagram of the embodiment of system of the present invention.
Embodiment
The embodiment provides the method for heavy-route in MOCN network, system and base station controller, equipment of the core network.In an embodiment of the present invention, heavy-route refers to after the core net of the operator of initial selected cannot access, and again goes the core net selecting other operators to access.In an embodiment of the present invention, the core net of operator can be mobile switching centre (MobileSwitchingCenter, MSC) or SGSN, but is not limited to this two type.
Fig. 1 is the flow chart of the first embodiment of the method for heavy-route in MOCN network of the present invention, and the method for this embodiment comprises:
S10: when the attachment refuse information that the core net that base station controller receives the first operator sends, the UI frame number comprised in Attach Request message is revised as preset value by described base station controller.Concrete, the preset value of described UI frame number can for the natural number being greater than or equal to 3, optionally, the preset value of described UI frame number be greater than or equal to 5 natural number, certainly, the preset value of described UI frame number also can need according to design and configure, or, before refusal once attachment request, usually need mutual information number to determine according between base station controller and core net, do not repeat them here.
S11: amended for UI frame number Attach Request message is sent to the core net of the second operator by described base station controller, described amended Attach Request message makes the core net of described second operator transmit control message to travelling carriage, and described control message makes the UI frame send state variable of described travelling carriage and UI frame accepting state variable restore be initial value.Concrete, described control message can be exchange identification (ExchangeIdentification, XID) message, comprises reset (RESET) parameter in described exchange identification message, the initial value of described UI frame send state variable and UI frame accepting state variable can be 0.
Fig. 2 is the flow chart of the second embodiment of method of the present invention.On the basis of the method for first embodiment of the invention, for the core net of first, second operator described be first, second SGSN, the preset value that is modified as by UI frame number of base station controller is 5, the initial value of the UI frame send state variable of travelling carriage and UI frame accepting state variable for 0, describe the particular content of this enforcement in detail.The method of this embodiment comprises:
S201: travelling carriage sends Attach Request message to base station controller.In described Attach Request message, UI frame number N (U) is 0.
S202: Attach Request message described in base station controller buffer memory.
S203: described Attach Request message is forwarded to a SGSN by base station controller.
S204: the one SGSN sends to travelling carriage and identifies request (IdentifyRequest) message, and the UI frame number N (U) in described identification request message is 0.
S205: travelling carriage receives the identification request message that a described SGSN sends, and send identification response (IdentifyResponse) message to a SGSN, the UI frame number N (U) in described identification response message is 1.Now, UI frame accepting state variable V (UR) of travelling carriage is 1.
S206: if a described SGSN refuses the attachment request of travelling carriage, then send attachment refusal (AttachReject) message to travelling carriage.UI frame number N (U) in described attachment refuse information is 1.
S207: base station controller reads the Attach Request message of described buffer memory, the UI frame number N (U) in described Attach Request message is 0.
S208: the UI frame number N (U) in the Attach Request message of described buffer memory is revised as preset value 5 by base station controller.
S209: amended Attach Request message is sent to the 2nd SGSN by base station controller.
It is the Attach Request message of 5 that S210: the two SGSN receives UI frame number N (U), according to this amended Attach Request message, sends exchange identification message, comprise reset parameter in described exchange identification message to travelling carriage.
S211: travelling carriage receives the exchange identification message that the 2nd SGSN sends, and according to this exchange identification message, UI frame send state variable V (U) of travelling carriage and UI frame accepting state variable V (UR) is reverted to initial value 0.
The method of the present embodiment can further include:
S212: travelling carriage sends exchange identification message to the 2nd SGSN, comprises reset parameter in described exchange identification message.According to this exchange identification message, UI frame send state variable V (U) of self and UI frame accepting state variable V (UR) are reverted to initial value 0 by the 2nd SGSN.
In the method for first, second embodiment of the present invention, when the attachment refuse information that the core net that base station controller receives the first operator sends, the UI frame number comprised in Attach Request message is revised as preset value by described base station controller.The core net of the second operator transmits control message to travelling carriage according to amended Attach Request message, and described control message makes the UI frame send state variable of described user's travelling carriage and UI frame accepting state variable restore be initial value.Therefore, the core net of the second operator can not in (V (UR)-32)≤N (U) < V (UR) scope to the N (U) that the attachment that travelling carriage sends accepts to carry in message, attachment accepts message and can not be moved platform and abandon, thus avoid in MOCN networking, accept message and the problem of heavy-route failure that causes because travelling carriage cannot receive attachment.
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 described UI frame number can for the natural number being greater than or equal to 3, optionally, the preset value of described UI frame number be greater than or equal to 5 natural number, certainly, the preset value of described UI frame number also can need according to design and configure, and does not repeat them here.
S32: described equipment of the core network, according to described Attach Request message, transmits control message to travelling carriage, described control message makes the UI frame send state variable of described travelling carriage and UI frame accepting state variable restore be initial value.Concrete, described control message can be exchange identification message, comprises reset parameter in described exchange identification message, and the initial value of described UI frame send state variable and UI frame accepting state variable can be 0.
In the method for the 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 described travelling carriage and UI frame accepting state variable restore be initial value.Therefore, equipment of the core network can not in (V (UR)-32)≤N (U) < V (UR) scope to the N (U) that the attachment that travelling carriage sends accepts to carry in message, attachment accepts message and can not be moved platform and abandon, thus avoid in MOCN networking, accept message and the problem of heavy-route failure that causes because travelling carriage cannot receive attachment.
Fig. 4 is the schematic diagram of the embodiment of base station controller of the present invention.The base station controller of the present embodiment comprises receiver module 41, modified module 42 and sending module 43.The attachment refuse information that described receiver module 41 sends for the core net receiving the first operator.
When described receiver module 41 receives described attachment refuse information, described modified module 42 is for being revised as preset value by the UI frame number in Attach Request message, described amended Attach Request message makes the core net of the second operator transmit control message to travelling carriage, and described control message makes the UI frame send state variable of described travelling carriage and UI frame accepting state variable restore be initial value.Concrete, described control message is exchange identification message, comprises reset parameter in described exchange identification message.The preset value that UI frame number is modified as be greater than or equal to 3 natural number, preferably, described preset value be greater than or equal to 5 natural number, the UI frame send state variable of travelling carriage and the initial value of UI frame accepting state variable are 0.
Described sending module 43 sends described amended Attach Request message for the core net to described second operator.
Further, all right storage module 44 of base station controller of the present embodiment, for storing the described Attach Request message that described travelling carriage sends, described modified module 42 revises the described Attach Request message stored in described storage module 44.
The UI frame number comprised in Attach Request message, when the attachment refuse information that the core net receiving the first operator sends, is revised as preset value by the base station controller of the present embodiment.Described amended Attach Request message makes the core net of the second operator transmit control message to travelling carriage, and described control message makes the UI frame send state variable of described user's travelling carriage and UI frame accepting state variable restore be initial value.Therefore, the core net of the second operator can not in (V (UR)-32)≤N (U) < V (UR) scope to the N (U) that the attachment that travelling carriage sends accepts to carry in message, attachment accepts message and can not be moved platform and abandon, thus avoid in MOCN networking, accept message and the problem of heavy-route failure that causes because travelling carriage cannot receive attachment.
Fig. 5 is the schematic diagram of the embodiment of equipment of the core network of the present invention.The equipment of the core network of the present embodiment comprises receiver module 51 and sending module 52.Described receiver module 51 is modified to the Attach Request message of preset value for the UI frame number receiving base station controller transmission.Described sending module 52 is for transmitting control message to travelling carriage according to described amended Attach Request message, and described control message makes the UI frame send state variable of described travelling carriage and UI frame accepting state variable restore be initial value.Concrete, described equipment of the core network can be GPRS serving GPRS support node, and described control message is exchange identification message, comprises reset parameter in described exchange identification message.The preset value that UI frame number is modified as be greater than or equal to 3 natural number, preferably, described preset value be greater than or equal to 5 natural number, the UI frame send state variable of travelling carriage and the initial value of UI frame accepting state variable are 0.
The UI frame number of the equipment of the core network reception base station controller transmission of the present embodiment 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 described travelling carriage and UI frame accepting state variable restore be initial value.Therefore, equipment of the core network can not in (V (UR)-32)≤N (U) < V (UR) scope to the N (U) that the attachment that travelling carriage sends accepts to carry in message, attachment accepts message and can not be moved platform and abandon, thus avoid in MOCN networking, accept message and the problem of heavy-route failure that causes because travelling carriage cannot receive attachment.
Fig. 6 is the schematic diagram of the embodiment of the system of heavy-route in MOCN network of the present invention.The system of the present embodiment comprises the core net 62 of base station controller 61, first operator and the core net 63 of the second operator.
When the attachment refuse information that the core net 62 that described base station controller 61 receives described first operator sends, the UI frame number comprised in Attach Request message is revised as preset value by described base station controller 61, and amended attachment request is sent to the core net 62 of described second operator.
The core net 62 of described second operator transmits control message to travelling carriage according to described amended Attach Request message, and described control message makes the UI frame send state variable of described travelling carriage and UI frame accepting state variable restore be initial value.Concrete, described control message is exchange identification message, comprises reset parameter in described exchange identification message.The preset value that UI frame number is modified as be greater than or equal to 3 natural number, preferably, described preset value be greater than or equal to 5 natural number, the UI frame send state variable of travelling carriage and the initial value of UI frame accepting state variable are 0.
In the system of the present embodiment, when the attachment refuse information that the core net that base station controller receives the first operator sends, the UI frame number comprised in Attach Request message is revised as preset value by described base station controller.The core net of the second operator transmits control message to travelling carriage according to amended Attach Request message, and described control message makes the UI frame send state variable of described user's travelling carriage and UI frame accepting state variable restore be initial value.Therefore, the core net of the second operator can not in (V (UR)-32)≤N (U) < V (UR) scope to the N (U) that the attachment that travelling carriage sends accepts to carry in message, attachment accepts message and can not be moved platform and abandon, thus avoid in MOCN networking, accept message and the problem of heavy-route failure that causes because travelling carriage cannot receive attachment.
In the MOCN network of the invention described above the method for heavy-route, system and base station controller, equipment of the core network embodiment in, for the core net of Liang Ge operator, describe the principle of various embodiments of the present invention in detail, but various embodiments of the present invention are not limited to the core net of Liang Ge operator, according to the principle that various embodiments of the present invention disclose, various embodiments of the present invention can also be applied to the core net of the operator of more than three, do not repeat them here.
In the various embodiments described above, for convenience of description, adopt the core net of first, second operator, but the core net of first, second operator described might not being the core net of first, second operator, adopting first, second only for mutually distinguishing the core net of operator.
Above disclosedly be only multiple embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (15)
1. the method for heavy-route in MOCN network, is characterized in that, comprising:
When the attachment refuse information that the core net that base station controller receives the first operator sends, the unacknowledged information UI frame number comprised in Attach Request message is revised as preset value by described base station controller;
Amended for UI frame number Attach Request message is sent to the core net of the second operator by described base station controller, described amended Attach Request message makes the core net of described second operator transmit control message to travelling carriage, and described control message makes the UI frame send state variable of described travelling carriage and UI frame accepting state variable restore be initial value;
Described control message is exchange identification message, comprises reset parameter in described exchange identification message.
2. method according to claim 1, is characterized in that, described preset value be greater than or equal to 3 natural number.
3. method according to claim 1, is characterized in that, described initial value is 0.
4. the method for heavy-route in 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;
Described equipment of the core network, according to described Attach Request message, transmits control message to travelling carriage, and described control message makes the UI frame send state variable of described travelling carriage and UI frame accepting state variable restore be initial value;
Described control message is exchange identification message, comprises reset parameter in described exchange identification message.
5. method according to claim 4, is characterized in that, described preset value be greater than or equal to 3 natural number.
6. method according to claim 4, is characterized in that, described initial value is 0.
7. a base station controller, is characterized in that, comprising:
Receiver module, the attachment refuse information that the core net for receiving the first operator sends;
Modified module, when described receiver module receives described attachment refuse information, for the unacknowledged information UI frame number in Attach Request message is revised as preset value, described amended Attach Request message makes the core net of the second operator transmit control message to travelling carriage, described control message makes the UI frame send state variable of described travelling carriage and UI frame accepting state variable restore be initial value, described control message is exchange identification message, comprises reset parameter in described exchange identification message;
Sending module, sends described amended Attach Request message for the core net to described second operator.
8. base station controller according to claim 7, is characterized in that, described preset value be greater than or equal to 3 natural number.
9. base station controller according to claim 7, is characterized in that, described initial value is 0.
10. according to the base station controller in claim 7 to 9 described in any one, it is characterized in that, described base station controller also comprises:
Storage module, for storing the described Attach Request message that described travelling carriage sends, described modified module revises in described storage module the described Attach Request message stored.
11. 1 kinds of equipments of the core network, is characterized in that, comprising:
Receiver module, the unacknowledged information UI frame number sent for receiving base station controller is modified to the Attach Request message of preset value;
Sending module, for transmitting control message to travelling carriage according to described amended Attach Request message, described control message makes the UI frame send state variable of described travelling carriage and UI frame accepting state variable restore be initial value, described control message is exchange identification message, comprises reset parameter in described exchange identification message.
12. equipments of the core network according to claim 11, is characterized in that, described equipment of the core network is GPRS serving GPRS support node.
13. equipments of the core network according to claim 11, is characterized in that, described preset value be greater than or equal to 3 natural number.
14. equipments of the core network according to claim 11, is characterized in that, described initial value is 0.
The system of heavy-route in 15. 1 kinds of MOCN networks, it is characterized in that, comprise according to the base station controller in 7 to 10 described in any one, and according to the equipment of the core network in 11 to 14 described in any one, described base station controller communicates with described 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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| CN102571581B (en) * | 2012-01-05 | 2015-11-25 | 华为技术有限公司 | The method of heavy-route, system and base station controller, equipment of the core network in MOCN network |
| CN103229529A (en) | 2012-12-24 | 2013-07-31 | 华为技术有限公司 | MOCN cell communication method and device |
| WO2015070424A1 (en) * | 2013-11-14 | 2015-05-21 | 华为技术有限公司 | User device registration/routing update method and device |
| 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) |
| CN108769976B (en) * | 2018-06-01 | 2021-07-20 | 深圳市知赢科技有限公司 | Network attachment control method and device and mobile terminal |
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| WO2004100591A1 (en) * | 2003-05-05 | 2004-11-18 | Siemens Aktiengesellschaft | Method and device for the intermediate storage of subscriber data during the relocation of a mobile subscriber within a mobile communication network |
| CN1780476A (en) * | 2004-11-25 | 2006-05-31 | 华为技术有限公司 | Method for supporting node route domain updation in universal wireless group service |
| CN101022453A (en) * | 2006-02-16 | 2007-08-22 | 中兴通讯股份有限公司 | Method for ensuring minimum frame missing rate for interoffice route zone updating |
| CN101500270A (en) * | 2008-02-02 | 2009-08-05 | 华为技术有限公司 | Method and apparatus for load balance |
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| CN102571581B (en) * | 2012-01-05 | 2015-11-25 | 华为技术有限公司 | The method of heavy-route, system and base station controller, equipment of the core network in MOCN network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004100591A1 (en) * | 2003-05-05 | 2004-11-18 | Siemens Aktiengesellschaft | Method and device for the intermediate storage of subscriber data during the relocation of a mobile subscriber within a mobile communication network |
| CN1780476A (en) * | 2004-11-25 | 2006-05-31 | 华为技术有限公司 | Method for supporting node route domain updation in universal wireless group service |
| CN101022453A (en) * | 2006-02-16 | 2007-08-22 | 中兴通讯股份有限公司 | Method for ensuring minimum frame missing rate for interoffice route zone updating |
| CN101500270A (en) * | 2008-02-02 | 2009-08-05 | 华为技术有限公司 | Method and apparatus for load balance |
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| WO2013102401A1 (en) | 2013-07-11 |
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