CN105612782B - Interaction method and device of reason information and communication system - Google Patents
Interaction method and device of reason information and communication system Download PDFInfo
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- CN105612782B CN105612782B CN201480056131.XA CN201480056131A CN105612782B CN 105612782 B CN105612782 B CN 105612782B CN 201480056131 A CN201480056131 A CN 201480056131A CN 105612782 B CN105612782 B CN 105612782B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/20—Interfaces between hierarchically similar devices between access points
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Abstract
The embodiment of the invention provides an cause information interaction method, an apparatus and a communication system, wherein the interaction method comprises the step of sending a message under a wireless access network sharing mechanism, wherein the message indicates that an initiation cause is related to or more operators.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to an interaction method, an apparatus, and a communication system for cause information under a Radio Access Network (RAN) sharing mechanism.
Background
In a Long Term Evolution (LTE) system, multiple operators may share cells of resources according to , for example, operator 1 and operator 2 occupy 30% and 70% of the cells, respectively.
In the existing handover process, the reason for triggering the handover may be to reduce the load of the source cell or optimize the resource configuration, the reason for the handover being rejected may be to have no available resources in the target cell, but under the RAN sharing mechanism, the reason for triggering the handover may be to reduce the load of operators or optimize the resource configuration of operators, and the reason for the handover being rejected may be to have no resources of a certain operator in the target cell.
It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the invention.
Disclosure of Invention
Therefore, under the RAN sharing mechanism, if the reason for triggering the handover or rejecting the handover is still indicated according to the existing reason information, the base stations receiving the reason information may have different understandings, which results in understandings between base stations being not , and a problem of an error in resolving the reason information occurs.
The embodiment of the invention provides an interaction method, device and communication system for reason information, which prevent understanding between base stations from being caused by and avoid the problem of analysis error of the reason information.
According to an th aspect of the embodiment of the invention, an interaction method of cause information is provided, and the interaction method comprises the step of sending a message under a radio access network sharing mechanism, wherein the message indicates that an initiation cause is related to or more operators.
According to a second aspect of the embodiments of the present invention, there is provided an interaction method of reason information, the interaction method comprising receiving a message under a radio access network sharing mechanism, wherein the message indicates that an origination reason is related to or more operators.
According to a third aspect of the embodiments of the present invention, there is provided an interactive apparatus for kinds of reason information, the interactive apparatus including:
and a message sending unit, configured to send a message under a radio access network sharing mechanism, where the message indicates that the origination reason is related to or more operators.
According to a fourth aspect of the embodiments of the present invention, there is provided an interactive apparatus for kinds of reason information, the interactive apparatus including:
and a message receiving unit, receiving a message under a radio access network sharing mechanism, wherein the message indicates that the origination reason is related to or more operators.
According to a fifth aspect of the embodiments of the present invention, there are provided kinds of communication systems, including:
, the base station sends message under the sharing mechanism of wireless access network, wherein the message indicates that the reason for initiation is related to or more operators;
and the second base station receives the message.
According to still another aspects of embodiments of the present invention, there are provided computer-readable programs, wherein when the programs are executed in a base station, the programs cause a computer to execute the method of interacting cause information as described above in the base station.
According to still another aspects of embodiments of the present invention, there are provided storage media storing a computer-readable program, wherein the computer-readable program causes a computer to perform the method of interacting reason information as described above in a base station.
The embodiment of the invention has the advantages that under a wireless access network sharing mechanism, by sending the information about or more operators of the initiating reason, the understanding between the base stations can be prevented from being caused by no , and the problem of analysis error of the reason information is avoided.
Specific embodiments of the present invention are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the invention are not so limited in scope. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims.
Features described and/or illustrated with respect to embodiments can be used in the same or similar manner in or more other embodiments, in combination with or instead of the features of the other embodiments.
It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of or more other features, integers, steps or components.
Drawings
For the purposes of illustrating and describing portions of the present invention, the corresponding parts of the drawings may be enlarged or reduced.
In addition, in the figures, like reference numerals designate corresponding parts throughout the several views and may be used to designate corresponding parts used in more than embodiments.
Fig. 1 is a flowchart of the interaction method of the reason information of embodiment 1 of the present invention;
FIG. 2 is a configuration diagram of an interaction device of reason information of embodiment 2 of the invention;
FIG. 3 is another schematic diagram of the interaction device of the reason information in embodiment 2 of the present invention;
fig. 4 is an configuration diagram of a base station according to embodiment 2 of the present invention;
fig. 5 is a diagram illustrating components of the communication system according to embodiment 3 of the present invention.
Detailed Description
The foregoing and other features of the invention will become apparent from the following description taken in conjunction with the accompanying drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the embodiments in which the principles of the invention may be employed, it being understood that the invention is not limited to the embodiments described, but, on the contrary, is intended to cover all modifications, variations, and equivalents falling within the scope of the appended claims.
Example 1
Fig. 1 is a flowchart of a method for interacting types of reason information, and as shown in fig. 1, the method includes:
step 101, the th base station sends a message to the second base station under the radio access network sharing mechanism, wherein the message indicates that the origination reason is related to or more operators.
In this embodiment, the st base station and the second base station may communicate through an S1 interface, that is, the th base station may send a message to a Mobility Management Entity (MME), and then the MME forwards the message to the second base station, the st base station and the second base station may also communicate through an X2 interface, that is, the th base station may directly send the message to the second base station.
The message transmitted by the base station (transmitting base station) to the second base station (receiving base station) may include indication information about the operator by which the receiving base station may consider the transmission of the message to be related to a particular operator rather than to a cell or base station.
In the present embodiment, the message may include or any combination of the reason information related to or multiple operators, the indication information for or multiple operators, and the identification information of or multiple operators.
In embodiments, the message is a handover request message sent from a source base station (in this case, th base station) to a target base station (in this case, a second base station). The message may contain a cause for triggering a handover.
However, under the RAN sharing mechanism, the source base station may initiate handover because the load of operators or multiple operators in the source cell is reduced, or because the resources of operators or multiple operators between cells are optimized.
(1) And the reason information indicates that the load of the plurality of operators or equivalent service operators in the service cell of the source base station is reduced or the resources occupied by the plurality of operators or equivalent service operators in the service cell of the source base station are optimized .
For example, the handover is triggered in order to reduce a load of or more operators (e.g., a user equipment in a serving cell of the source base station (an operator indicated by serving PLMN) or an equivalent serving operator (an operator indicated by EPLMN)), or in order to optimize a situation where the user equipment occupies resources in a plurality of cells in the serving cell of the source base station (e.g., a serving operator of the user equipment in the source base station (an operator indicated by serving PLMN) or an equivalent serving operator (an operator indicated by EPLMN)).
With this new cause information, the target base station may know that the triggering of the handover is to adjust the load or resources of one or more operators (e.g., the user equipment's serving operator at the source base station (the operator indicated by the serving PLMN) or an equivalent serving operator (the operator indicated by the EPLMN)), instead of the load or resources of the cell or base station.
(2) New indication information indicating that a handover is triggered for said or more operators or equivalent service operators.
In particular, the indication indicates that the triggering of the handover is for or more operators (e.g., the serving operator of the user equipment at the source base station (the operator indicated by the serving PLMN) or an equivalent serving operator (the operator indicated by the EPLMN)).
With this new indication, the target base station may know that the triggering of the handover is to adjust the load or resources of one or more operators (e.g., the user equipment's serving operator at the source base station (the operator indicated by the serving PLMN) or an equivalent serving operator (the operator indicated by the EPLMN)), instead of the load and resources of the cell or base station.
(3) Information indicating the operator, such as an identity of the operator (e.g., a PLMN identifier, an identity of group PLMN identifier, an identity of group PLMN identifier, etc.), which is used to inform the target base station that the handover request message is transmitted for the operator indicated by the identifier.
The indication information may also be indicated together with the existing cause information, for example, the identifier of the operator is respectively combined with the existing cause information "reducing the load of the serving cell" and "handover with optimized resources", which respectively indicate that the handover request message is sent to reduce the load in the serving cell with respect to the operator indicated by the operator indication information and optimize the resources with respect to the operator indicated by the operator indication information.
It is to be noted that the above schematically shows three forms, but the present invention is not limited thereto, and the specific form may be determined according to actual circumstances. In addition, the above information may be used alone or in combination with each other; for example, the new cause information is combined with the indication information of the operator, the target base station can know that the handover request message is for the operator indicated by the indication information of the operator. The new indication information is combined with the indication information of the operator, and the target base station can know that the handover request message is for the operator indicated by the indication information of the operator.
In another embodiments, the message is a handover preparation failure message sent from the target base station (in this case, the th base station) to the source base station (in this case, the second base station). in this message, the reason that the target base station rejects the handover may be "no radio resources available in the target cell".
However, under the RAN sharing mechanism, the reason for rejecting the handover may be that there are no available radio resources in the target cell for operators (e.g., the user equipment is at the serving operator of the target base station (the operator indicated by the serving PLMN) or equivalent serving operator (the operator indicated by the EPLMN)).
(1) New cause information indicating that there are no or more operators or equivalent serving operators available resources in the target base station.
In particular, the information indicates that the reason for rejecting the handover is related to or more operators (e.g., the serving operator of the user equipment at the target base station (the operator indicated by the serving PLMN) or an equivalent serving operator (the operator indicated by the EPLMN)).
With this new cause information, the source base station can know that the reason for the handover rejection is that the target base station does not have the resources of the or more operators (e.g., the user equipment is not on the serving operator of the target base station (the operator indicated by the serving PLMN) or an equivalent serving operator (the operator indicated by the EPLMN)), rather than the target cell/base station.
(2) New indication information indicating that the handover is rejected for or more operators or equivalent service operators.
In particular, the information indicates that the reason for handover rejection is related to or more operators, e.g. the serving operator of the user equipment at the target base station (the operator indicated by the serving PLMN) or an equivalent serving operator (the operator indicated by the EPLMN).
With this indication, the source base station can know that the reason why the handover was rejected is that the target base station does not have the resources of the or more operators (e.g., the serving operator of the user equipment at the target base station (the operator indicated by the serving PLMN) or an equivalent serving operator (the operator indicated by the EPLMN)), rather than the target cell/base station.
(3) Information indicating the operator, such as an identity of the operator (e.g., a PLMN identifier, an identity of group PLMN identifier, an identity of group PLMN identifier, etc.), which is used to inform the source base station that the handover preparation failure message was sent for the operator indicated by the identifier.
The indication information may also be indicated together with existing cause information, for example, an identifier of the operator is combined with existing cause information "no radio resources are available in the target cell", which indicates that the reason for the failure of the handover preparation is that there are no resources of the operator indicated by the operator indication information in the target cell.
It is to be noted that the above schematically shows three forms, but the present invention is not limited thereto, and the specific form may be determined according to actual circumstances. The above information may be used alone or in combination with each other. For example, the new cause information is combined with the indication information of the operator, the source base station can know that the handover preparation failure message is for the operator indicated by the indication information of the operator. The new indication information is combined with the indication information of the operator, and the source base station can know that the handover preparation failure message is for the operator indicated by the indication information of the operator.
In this embodiment, the handover preparation failure message may further include notification information related to the operator. The notification information related to the operator may include: identification information of other operators capable of accepting the load, and/or available resource information of the other operators' loads.
For example, a procedure for mobile setup change procedure (mobility setup change procedure) to help the receiving base station to know that the relevant procedures are related to or more operators (e.g., the serving operator of the user equipment at the target base station (the operator indicated by the serving PLMN) or an equivalent serving operator (the operator indicated by the EPLMN)) rather than to cells or base stations.
It can be known from the above embodiments that, under the radio access network sharing mechanism, by sending the message that the origination cause is related to or more operators, understanding between base stations can be prevented from being caused by no , and the problem of parsing error of cause information is avoided.
Example 2
The interactive device for providing kinds of reason information in the embodiment of the present invention may be configured in a sending base station or a receiving base station, and the same contents as those in embodiment 1 are not described again.
Fig. 2 is of the interaction apparatus for reason information according to the embodiment of the present invention, and as shown in fig. 2, the interaction apparatus 200 includes a message sending unit 201 for sending a message under a radio access network sharing mechanism, where the message indicates that an origination reason is related to or more operators.
Fig. 3 is another schematic diagram of the interaction apparatus for reason information according to the embodiment of the present invention, and as shown in fig. 3, the interaction apparatus 300 includes a message receiving unit 301 for receiving a message under a radio access network sharing mechanism, wherein the message indicates that the origination reason is related to or more operators.
In this embodiment, the message may include or any combination of reason information about or more operators, indication information for or more operators, and identification information of or more operators.
In embodiments, the message is a handover request message sent by the base station to the second base station, the reason information indicates to reduce the load of or more operators or equivalent service operators in the service cell of the base station or to optimize the resources occupied by or more operators or equivalent service operators in the service cell of the base station, and the indication information indicates to trigger the handover for or more operators or equivalent service operators.
In another embodiments, the message is a handover preparation failure message sent by the th base station to the second base station, the reason information indicates that no resources are available for or more operators or equivalent service operators in the th base station, and the indication information indicates that handover is denied for or more operators or equivalent service operators.
Wherein, the handover preparation failure message may further include notification information related to the operator; the notification information related to the operator may include: identification information of other operators capable of accepting the load, and/or available resource information of the other operators' loads.
In this embodiment, the message is sent by the th base station to the second base station over the S1 interface or the X2 interface.
The embodiment of the invention also provides base stations which comprise the interaction device of the reason information.
Fig. 4 is a view illustrating configuration of a base station according to an embodiment of the present invention, as shown in fig. 4, a base station 400 may include a Central Processing Unit (CPU)200 and a memory 210, wherein the memory 210 may store various data, and further store a program for information processing, and execute the program under the control of the central processing unit 200 to receive various information transmitted from the user equipment and transmit request information to the user equipment.
In embodiments, the function of the interaction means of the reason information can be integrated into the central processor 200, wherein the central processor 200 can be configured to implement the interaction method of the reason information as described in embodiment 1, for example, configured to send a message under a radio access network sharing mechanism, wherein the message indicates that the origination reason is related to or more operators, or configured to receive a message under a radio access network sharing mechanism, wherein the message indicates that the origination reason is related to or more operators.
Wherein the message comprises or any combination of reason information related to the or more operators, indication information for the or more operators, and identification information of the or more operators.
In another embodiments, the reason information interacting device may be configured separately from the central processing unit, for example, the reason information interacting device may be configured as a chip connected to the central processing unit 200, and the function of the reason information interacting device is realized by the control of the central processing unit.
Further, as shown in fig. 4, the base station 400 may further include: transceiver 220 and antenna 230, etc.; the functions of the above components are similar to those of the prior art, and are not described in detail here. It is noted that the base station 400 does not necessarily have to include all of the components shown in fig. 4; the base station 400 may also comprise components not shown in fig. 4, reference being made to the prior art.
It can be known from the above embodiments that, under the radio access network sharing mechanism, by sending the message that the origination cause is related to or more operators, understanding between base stations can be prevented from being caused by no , and the problem of parsing error of cause information is avoided.
Example 3
The embodiment of the present invention further provides communication systems, which include the base station described in embodiment 2, and the same contents as those in embodiments 1 and 2 are not described again.
Fig. 5 is configuration diagram of a communication system according to an embodiment of the present invention, and as shown in fig. 5, the communication system 500 includes a th base station 501 and a second base station 502, wherein the th base station 501 sends a message under a radio access network sharing mechanism, wherein the reason for the message initiation is related to or more operators, and the second base station 502 receives the message.
In this embodiment, the th base station 501 and the second base station 502 may communicate through an S1 interface or an X2 interface, the message may be transmitted by the th base station to the second base station through an S1 interface or an X2 interface, but the invention is not limited thereto.
In this embodiment, the message may include or any combination of reason information about or more operators, indication information for or more operators, and identification information of or more operators.
The embodiment of the present invention further provides computer-readable programs, where when the program is executed in a base station, the program causes a computer to execute the method for interacting reason information in the base station, as described in embodiment 1 above.
The embodiment of the present invention further provides storage media storing computer-readable programs, where the computer-readable programs enable a computer to execute the method for interacting reason information in a base station as described in embodiment 1 above.
The above devices and methods of the present invention can be implemented by hardware, or can be implemented by hardware and software. The present invention relates to a computer-readable program which, when executed by a logic section, enables the logic section to realize the above-described apparatus or constituent section, or to realize the above-described various methods or steps. The present invention also relates to a storage medium such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like, for storing the above program.
For one or more of the functional blocks and/or one or more combinations of the functional blocks described in the figures, can be implemented as a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a field programmable array (FPGA) or other programmable logic device, discrete or transistor logic, discrete hardware components, or any suitable combination thereof for performing the functions described herein.
While the invention has been described with reference to specific embodiments, it will be apparent to those skilled in the art that these descriptions are illustrative and not intended to limit the scope of the invention. Various modifications and alterations of this invention will become apparent to those skilled in the art based upon the spirit and principles of this invention, and such modifications and alterations are also within the scope of this invention.
Claims (18)
1, kinds of reason information interaction device, the interaction device includes:
a message sending unit for sending a message under a radio access network sharing mechanism, wherein the message indicates that the originating reason is related to or more operators,
the message including cause information relating to the or more operators and/or indication information for the or more operators,
the message is a switching request message sent by the th base station to the second base station;
the cause information indicates to reduce the load of the or more operators or equivalent serving operators in the serving cell of the base station, or to optimize the resources occupied by the or more operators or equivalent serving operators within the serving cell of the base station,
the indication indicates that a handover is triggered for the or more operators or equivalent service operators.
2. The interaction apparatus of claim 1, wherein the message further comprises identification information of the or more carriers.
3. The interactive apparatus of claim 1, wherein the message is transmitted by the th base station to the second base station through an S1 interface or an X2 interface.
4, interaction device of reason information, the interaction device comprises:
a message sending unit for sending a message under a radio access network sharing mechanism, wherein the message indicates that the originating reason is related to or more operators,
the message comprises reason information related to the or more operators and/or indication information for the or more operators, and is a handover preparation failure message sent by the th base station to the second base station;
the reason information indicates that the th base station does not have resources available to the or more operators or equivalent serving operators;
the indication indicates a rejection of handover for the or more operators or equivalent service operators.
5. The interaction apparatus of claim 4, wherein the message further comprises identification information of the or more carriers.
6. The interaction apparatus of claim 4, wherein the handover preparation failure message further includes notification information related to an operator;
the notification information related to the operator includes: identification information of other operators capable of accepting the load, and/or available resource information of the other operators' load.
7. The interaction apparatus of claim 4, wherein the message is transmitted by the th base station to the second base station through an S1 interface or an X2 interface.
8, kinds of reason information interaction device, the interaction device includes:
a message receiving unit for receiving a message under a radio access network sharing mechanism, wherein the message indicates that the origination reason is related to or more operators,
the message including cause information relating to the or more operators and/or indication information for the or more operators,
the message is a switching request message sent by the th base station to the second base station;
the cause information indicates to reduce the load of the or more operators or equivalent serving operators in the serving cell of the base station, or to optimize the resources occupied by the or more operators or equivalent serving operators within the serving cell of the base station,
the indication indicates that a handover is triggered for the or more operators or equivalent service operators.
9. The interactive apparatus of claim 8, wherein the message further comprises identification information of the or more operators.
10. The interactive apparatus of claim 8, wherein the message is transmitted by the th base station to the second base station through an S1 interface or an X2 interface.
11, kinds of reason information interaction device, the interaction device includes:
a message receiving unit for receiving a message under a radio access network sharing mechanism, wherein the message indicates that the origination reason is related to or more operators,
the message including cause information relating to the or more operators and/or indication information for the or more operators,
the message is a switching preparation failure message sent by the th base station to the second base station;
the reason information indicates that the th base station does not have resources available to the or more operators or equivalent serving operators;
the indication indicates a rejection of handover for the or more operators or equivalent service operators.
12. The interactive apparatus of claim 11, wherein the message further comprises identification information of the or more operators.
13. The interaction apparatus of claim 11, wherein the handover preparation failure message further includes notification information related to an operator;
the notification information related to the operator includes: identification information of other operators capable of accepting the load, and/or available resource information of the other operators' load.
14. The interactive apparatus of claim 11, wherein the message is transmitted by the th base station to the second base station through an S1 interface or an X2 interface.
A communication system of the type 15, , the communication system comprising:
, the base station sends message under the sharing mechanism of wireless access network, wherein the message indicates that the reason for initiation is related to or more operators;
a second base station that receives the message,
the message including cause information relating to the or more operators and/or indication information for the or more operators,
the message is a switching request message sent by the th base station to the second base station;
the cause information indicates to reduce the load of the or more operators or equivalent serving operators in the serving cell of the base station, or to optimize the resources occupied by the or more operators or equivalent serving operators within the serving cell of the base station,
the indication indicates that a handover is triggered for the or more operators or equivalent service operators.
16. The communication system of claim 15 wherein the message further includes identification information of the or more carriers.
A communications system of the type 17, , the communications system comprising:
, the base station sends message under the sharing mechanism of wireless access network, wherein the message indicates that the reason for initiation is related to or more operators;
a second base station that receives the message,
the message comprises reason information related to the or more operators and/or indication information for the or more operators, and is a handover preparation failure message sent by the th base station to the second base station;
the reason information indicates that the th base station does not have resources available to the or more operators or equivalent serving operators;
the indication indicates a rejection of handover for the or more operators or equivalent service operators.
18. The communication system of claim 17 wherein the message further includes identification information of the or more carriers.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/071659 WO2015113201A1 (en) | 2014-01-28 | 2014-01-28 | Interaction method of reason information, apparatus and communication system |
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| Publication Number | Publication Date |
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| CN105612782A CN105612782A (en) | 2016-05-25 |
| CN105612782B true CN105612782B (en) | 2020-01-31 |
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| CN201480056131.XA Expired - Fee Related CN105612782B (en) | 2014-01-28 | 2014-01-28 | Interaction method and device of reason information and communication system |
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| CN (1) | CN105612782B (en) |
| WO (1) | WO2015113201A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101060698A (en) * | 2006-04-17 | 2007-10-24 | 大唐移动通信设备有限公司 | A method for balancing the loads in the mobile communication system and its communication equipment |
| CN102571582A (en) * | 2012-01-09 | 2012-07-11 | 华为技术有限公司 | Method and system for rerouting and access network device |
| WO2012160977A1 (en) * | 2011-05-20 | 2012-11-29 | Nec Corporation | Load balancing in network sharing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101534536B (en) * | 2008-03-13 | 2012-09-05 | 中兴通讯股份有限公司 | Method for indicating switch reasons |
| CN102137471A (en) * | 2010-01-25 | 2011-07-27 | 华为技术有限公司 | Access control method, system and equipment |
-
2014
- 2014-01-28 WO PCT/CN2014/071659 patent/WO2015113201A1/en active Application Filing
- 2014-01-28 CN CN201480056131.XA patent/CN105612782B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101060698A (en) * | 2006-04-17 | 2007-10-24 | 大唐移动通信设备有限公司 | A method for balancing the loads in the mobile communication system and its communication equipment |
| WO2012160977A1 (en) * | 2011-05-20 | 2012-11-29 | Nec Corporation | Load balancing in network sharing |
| CN102571582A (en) * | 2012-01-09 | 2012-07-11 | 华为技术有限公司 | Method and system for rerouting and access network device |
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| WO2015113201A1 (en) | 2015-08-06 |
| CN105612782A (en) | 2016-05-25 |
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