CN102149166B - The system of selection of Radio Access Network and system - Google Patents
The system of selection of Radio Access Network and system Download PDFInfo
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- CN102149166B CN102149166B CN201010111054.7A CN201010111054A CN102149166B CN 102149166 B CN102149166 B CN 102149166B CN 201010111054 A CN201010111054 A CN 201010111054A CN 102149166 B CN102149166 B CN 102149166B
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- H04W48/18—Selecting a network or a communication service
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Abstract
The invention discloses a kind of system of selection and system of Radio Access Network.Wherein, the method comprises: base station sub-system transmitting system broadcast, is used to indicate the type of this base station sub-system; The type that the subscriber equipment receiving this system broadcast message indicates according to system broadcast message, determines whether to select this base station sub-system access network.By the present invention, can ensure that UE can correctly select corresponding base station sub-system to be linked in core net, improve the success rate of UE access of radio network.
Description
Technical field
The present invention relates to communication technical field, in particular to a kind of system of selection and system of Radio Access Network.
Background technology
At present, third generation partner program (3rd Generation Partnership Proj ect, referred to as 3GPP) standardization effort group propose System Architecture Evolution (SystemArchitecture Evolution, referred to as SAE) make Packet Based Network (the EvolvedPacket Core of evolution, referred to as EPC) higher transmission rate can be provided, shorter transmission delay, optimize grouping, and support universal mobile telecommunications system land radio access web (UniversalTerrestrial Radio Access Network, referred to as UTRAN), UTRN (the Evolved UTRAN of evolution, referred to as E-UTRAN), WLAN (wireless local area network) (Wireless LocalArea Network, referred to as WLAN) and other non-3 gpp access network between mobile management.
Fig. 1 is the configuration diagram of current SAE, and wherein, the network element that E-UTRAN comprises is enode b (Evolved NodeB, referred to as eNodeB), provides Radio Resource for the access for user; Packet Data Network (Packet Data Network, referred to as PDN), for user provides the network of business; EPC provides lower delay, and allows more wireless access system to access.
With traditional Human To Human (Human to Human, referred to as H2H) communication difference, Machine To Machine (Machine to Machine, referred to as M2M) sense stricto definition refers to it is the communication of machine to machine, sensu lato definition with machine terminal intelligent interaction be core, the application of networking and service.It is based on intelligent machine terminal, take communication as access means, is the informatization resolve scheme that client provides, for meeting the information system requirement of client to aspects such as monitoring, command scheduling, data acquisition and measurements.Can Real-Time Monitoring external environment condition by M2M, to realize on a large scale, the information gathering of automation.M2M can be applied to sector application (such as, traffic monitoring, warning system, rescue at sea, automatic vending machine, driving paying etc.), domestic. applications (such as, automatic data logging, temperature control etc.), individual application (such as, life detection, remote diagnostics etc.) etc.
Data communication between one or more machine is called machine type communication (MachineType Communication, referred to as MTC), participates in the machine of MTC, is defined as MTC device.MTC device communicates with other MTC device or MTC server by public land mobile net (Public Land MobileNetwork, referred to as PLMN) network.Mobile device (Mobile Equipment, referred to as ME) is the subsidiary functional block of MTC device, and this functional block is used for MTC device to be linked into EPS.MTC server (MTC Server) carries out management and supervision to MTC device.Fig. 2 is the schematic diagram that in prior art, ME accesses EPS by EUTRAN.
In actual networking, according to factors such as the upgrading stage of existing equipment and the operation loads of real network, M2M network and H2H network have following several deployment way:
Mode one: H2H network and M2M network have different PLMN ID, and wireless side and core net example use two cover systems respectively, as shown in Figure 3;
Mode two: H2H network and M2M network belong to same PLMN, and have identical PLMN ID, wireless side uses two cover systems, and core net is multiplexing.That is, different wireless side network elements accesses same MME, by core network element upgrading to support M2M, as shown in Figure 4;
Mode three: H2H network and M2M network belong to same PLMN, have identical PLMN ID, have wireless network and core network respectively separately, and now different wireless side network element accesses respective MME, as shown in Figure 3;
Mode four: H2H network and M2M network belong to same PLMN, and have identical PLMN ID, the part MME of core-network side supports H2H and M2M simultaneously, and part MME only supports H2H, and part MME only supports M2M, as shown in Figure 5.
In wireless side, UE, when selecting the wireless network of access, selects according to the PLMN ID in the broadcast of base station cell, for mode one, MTC system has oneself PLMN ID, when MTC UE is configured in Cell Broadcast CB, only allows the network being linked into MTC PLMN corresponding to PLMNID; For mode two, three and four, according to the strategy of operator, the base station sub-system in wireless network can be that M2M is special, can be that H2H is special, also can be communicate for M2M with H2H simultaneously.In realizing, can dispose for the special base station sub-system of M2M specially, also it can be made according to factors such as network loads dynamically can to change the type of oneself by the existing base station sub-system of upgrading.Therefore, for the M2M network and the H2H network that have identical PLMN ID, cannot be distinguished by PLMNID, therefore, when base station sub-system for H2H with M2M communicate carry out access distinguish and restriction time, UE cannot according to the corresponding wireless network of device type selecting properly of self, thus make UE to be linked into wireless network.
Summary of the invention
Main purpose of the present invention is the system of selection and the system that provide a kind of Radio Access Network, at least to solve the problem.
According to an aspect of the present invention, provide a kind of system of selection of Radio Access Network, comprising: base station sub-system transmitting system broadcast, is used to indicate the type of this base station sub-system; The type that the subscriber equipment receiving this system broadcast message indicates according to system broadcast message, determines whether to select this base station sub-system access network.
Further, base station sub-system sends said system broadcast and comprises: base station sub-system carries the type identification of this base station sub-system and the type identification number of this base station sub-system in system broadcast message, is indicated the type of this base station sub-system by type identification and type identification number; Wherein, whether type identification is used to indicate this base station sub-system is that M2M is special, and type identification number is used to indicate the subscriber equipment that this base station sub-system allows access.
Preferably, the above-mentioned type mark comprises: MTC communication identifies, be used to indicate following one of at least: base station sub-system is that M2M is special, base station sub-system is that H2H is special, base station sub-system is that M2M and H2H shares.
Further, type identification number comprises: closed user group identification number, and wherein, this closed user group identification number is pre-set number section used to MTC communication.
Further, type identification number comprises: MTC group identification number.
Preferably, type identification comprises: closed user group identifies.
Further, if the pattern of this base station sub-system is closed mode, then type identification number comprises: closed user group identification number.
Further, if the pattern of this base station sub-system is mixed mode or open mode, then type identification number comprises: closed user group identification number and MTC communication mark, and wherein, MTC communication mark is used to indicate this base station sub-system and whether allows MTC communication.
Preferably, above-mentioned base station sub-system comprise following one of at least: NodeB subsystem, family NodeB subsystem, eNodeB subsystem, family eNodeB subsystem.
According to a further aspect in the invention, provide a kind of selective system of Radio Access Network, comprising: base station sub-system and subscriber equipment.Wherein, base station sub-system, for transmitting system broadcast, indicates the type of this base station sub-system by this system broadcast message; Subscriber equipment, for receiving said system broadcast, and determines whether to select this base station sub-system access network according to the instruction of this system broadcast message.
Pass through the present invention, base station sub-system indicates the type of this base station sub-system by system broadcast message, thus make the type that subscriber equipment can indicate according to system broadcast message, select whether access this base station sub-system, solve in correlation technique because UE selects according to PLMNID, and when the PLMN ID of base station sub-system identical but for H2H with M2M communicate carry out accessing distinguish and restriction time and cause choosing the problem of the unmatched wireless network with UE, thus can ensure that UE can correctly select corresponding base station sub-system to be linked in core net, improve the success rate of UE access of radio network.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is EPC system and Access Network configuration diagram in correlation technique;
Fig. 2 is the schematic diagram that in correlation technique, MTC UE accesses EPC system by EUTRAN;
Fig. 3 is the schematic diagram of H2H network and M2M network organizing mode one and mode three in correlation technique;
Fig. 4 is the schematic diagram of H2H network and M2M network organizing mode two in correlation technique;
Fig. 5 is the schematic diagram of H2H network and M2M network organizing mode four in correlation technique;
Fig. 6 is the structural representation of the selective system of Radio Access Network according to the embodiment of the present invention;
Fig. 7 is the flow chart of the system of selection of Radio Access Network according to the embodiment of the present invention;
Fig. 8 is that in the embodiment of the present invention one, MTC UE carries out the flow chart adhered to;
Fig. 9 is that in the embodiment of the present invention two, MTC UE carries out the flow chart adhered to.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Fig. 6 is the structural representation of the selective system of Radio Access Network according to the embodiment of the present invention, and as shown in Figure 6, this system mainly comprises: base station sub-system 2 and subscriber equipment 4.Wherein, base station sub-system 2, for subscriber equipment 4 transmitting system broadcast, indicates the type of base station sub-system 2 by this system broadcast message; Subscriber equipment 4 for receiving said system broadcast, and determines whether to select base station sub-system 2 access network according to the instruction of this system broadcast message.
In actual applications, base station sub-system 2 includes but not limited to following one or a combination set of: NodeB subsystem, Home NodeB subsystem, eNodeB subsystem, Home eNodeB subsystem.And subscriber equipment 4 includes but not limited to: H2H equipment, MTC device.
By the said system that the embodiment of the present invention provides, the type of the base station sub-system that UE indicates according to system broadcast message, can select the base station sub-system corresponding with it to be linked into core net, thus improve the success rate of wireless access, improve Consumer's Experience.
Be described the system of selection of the Radio Access Network according to the embodiment of the present invention below, the method can be realized by system as shown in Figure 6.
Fig. 7 is the flow chart of the system of selection of Radio Access Network according to the embodiment of the present invention, and as shown in Figure 7, the method mainly comprises the following steps (step S702-step S704):
Step S702, base station sub-system transmitting system broadcast, is used to indicate the type of this base station sub-system;
Step S704, receives the UE of this system broadcast message, according to the type of the base station sub-system that this system broadcast message indicates, determines whether to select this base station sub-system access network.
By the said method that the embodiment of the present invention provides, the instruction of the system broadcast message that UE can send according to base station sub-system, selects the base station sub-system corresponding with this UE to access, thus improves the success rate of access.
Wherein, base station sub-system type can be indicated jointly by the type identification number of the type identification of base station sub-system and base station sub-system; Base station sub-system can in the system broadcast message sent, and carry type identification and the type identification number of this base station sub-system, wherein, whether the type identification of base station sub-system is used to indicate this base station sub-system is that M2M is special; And type identification number is used to indicate the subscriber equipment that base station sub-system allows access.By the type identification of base station sub-system that carries in system broadcast message and type identification number, UE can know whether this base station sub-system is that M2M is special, and this base station sub-system allows the subscriber equipment of access, thus can judge whether this UE can access this base station sub-system, to reach the object selecting suitable base station sub-system.
In specific implementation process, the type identification of base station sub-system can indicate by defining new MTC communication mark, getting different values by MTC communication mark indicates base station sub-system to be that M2M is special, H2H is special or M2M and H2H is public, because the situation of the value of MTC communication mark is fewer, therefore, general by 2 bits, do not need like this to increase too much expense.
When adopting the MTC communication mark of new definition to indicate the type identification of base station sub-system, the type identification of base station sub-system number can multiplexing existing closed user group identification number (Closed Subscriber Group-Identity, referred to as CSG-ID) indicate, in a particular application, can distinguish the CSG-ID number of carrying out section in advance, by different number sections respectively for Home eNodeB and MTC communication, such as, if can be by the value of start bit 1 CSG-ID be set to Home eNodeB use, and by start bit value be 0 CSG-ID be set to MTC communication and use, namely start bit is the CSG-ID of Home eNodeB that represents of CSG-ID of 1, and the CSG-ID that start bit is 0 is used to indicate the MTC device that base station sub-system allows access.In this way, the type identification number of base station sub-system can be indicated by multiplexing CSG-ID, and without the need to defining new field in addition.
When adopting the MTC communication mark of new definition to indicate the type identification of base station sub-system, base station sub-system type identification number also can indicate with MTC group identification number (MTC GroupID), and this MTC group identification number indicates this base station sub-system to allow the MTC group at the MTC device place of access.In this way, the length of the indication information of instruction type identification number can be reduced, reduce the expense of system resource.
In specific implementation process, existing closed user group also can be used to identify the type identification indicating base station sub-system, in this case, MTC device is processed as existing CSG user.In existing system, whether closed user group mark is generally a bit, base station sub-system can be indicated to be that M2M is special by this bit, such as, when this bit value is 1, indicate the pattern of this base station sub-system to be closed mode, namely this base station sub-system is that M2M is special; When this bit value is 0, indicate the pattern of this base station sub-system to be mixed mode or open mode, namely this base station sub-system is not that M2M is special.
When the type identification of base station sub-system is closed user group mark, if the pattern of current base station sub-system is closed mode, then the type identification number of base station sub-system can use the existing CSG-ID not needing the number of carrying out section to distinguish to indicate, and indicates which MTC device to allow this base station sub-system of access by the value of CSG-ID; Adopt in this way, the type identification number of base station sub-system can be indicated by CSG-ID, effectively make use of existing CSG-ID.
In addition, when the type identification closed user group mark of base station sub-system indicates, if the pattern of current base station sub-system be mixed mode or open mode time, then the type identification number of base station sub-system can use the existing CSG-ID not needing the number of carrying out section to distinguish to indicate, which MTC device is indicated to allow this base station sub-system of access by the value of CSG-ID, and, the type identification number of this base station sub-system also comprises the MTC communication mark of new definition, indicates this base station sub-system whether to allow MTC communication by the MTC communication mark newly defined.In this case, MTC communication mark only needs a bit can represent whether this base station sub-system allows MTC communication, thus can reduce the expense of system resource.
In embodiments of the present invention, above-mentioned base station sub-system includes but not limited to one of following or its combination in any: NodeB subsystem, Home NodeB subsystem, eNodeB subsystem, Home eNodeB subsystem.
Below by specific embodiment, the technical scheme that the embodiment of the present invention provides is described in detail.
Embodiment one
In the present embodiment, M2M private base station subsystem is selected to carry out adhering to being described for MTC UE according to the system broadcast message that base station sub-system in E-UTRAN sends.
Fig. 8 is the flow chart of the present embodiment, as shown in Figure 8, mainly comprises the steps:
Step 801, when UE carries out community selection or gravity treatment, initiate system information and obtain flow process, now, UE receives the system broadcast message MasterInformationBlock that E-UTRAN sends to UE;
Step 802:UE receives the system broadcast message SystemInformationBlockType1 that E-UTRAN sends to UE, and the parameter of carrying in this message indicates the type of this base station sub-system;
In the present embodiment, the type of base station sub-system is indicated jointly by the type identification of base station sub-system and the type identification number of base station sub-system.
Wherein, the type identification of this base station sub-system can indicate by defining new MTC communication mark in SystemInformationBlockType1 message blocks, represents that this base station sub-system is that M2M is special, H2H is special or M2M and H2H shares by different values;
When adopting MTC communication mark to indicate the type identification of base station sub-system, the type identification of base station sub-system number can indicate by the closed user group identification number (CSG-Identity) in multiplexing existing SystemInformationBlockType1 message blocks, this CSG-Identity number of carrying out section is distinguished, respectively for Home eNodeB and MTC communication.CSG-Identity for MTC communication can be used for identifying which MTC device and allow this base station sub-system of access;
When adopting MTC communication mark to indicate the type identification of base station sub-system, which MTC device the type identification number of base station sub-system also can indicate allow this base station sub-system of access with MTC group identification number (MTC Group ID) in SystemInformationBlockType1 message blocks;
Or, the type identification of this base station sub-system also can use the closed user group in existing SystemInformationBlockType1 message blocks to identify (CSG-Indication) and indicate, in this case, MTC device is processed as existing CSG user;
In this case, the type identification number of this base station sub-system can use the CSG-Identity not needing the number of carrying out section to distinguish in existing SystemInformationBlockType1 message blocks to allow this base station sub-system of access to identify which MTC device;
Further, when CSG-Indication indicates this base station sub-system to be closed mode, only allow a MTC UE to contract this CSG-Identity by restriction, this base station sub-system can be that MTC is special;
And when CSG-Indication indicate this base station sub-system be mixed mode or open mode time, the type identification number of this base station sub-system of MTC communication mark instruction of new definition can be used, represent now whether allow MTC communication by different values.
Step 803, UE receives the system broadcast message SystemInformation that E-UTRAN sends to UE;
Step 804, the type of the base station sub-system that MTC UE indicates according to system broadcast message judges to allow this base station sub-system of access;
Step 805:MTC UE initiates attachment flow.
It is pointed out that in the present embodiment, above-mentioned base station sub-system comprises: eNodeB subsystem and/or Home eNodeB subsystem.
By the present embodiment, the instruction of the system broadcast message that MTC UE can send according to base station sub-system in E-UTRAN, selects the special base station sub-system of M2M to adhere to.
Embodiment two
In the present embodiment, M2M private base station subsystem is selected to carry out adhering to being described for MTC UE according to the system broadcast message that base station sub-system in UTRAN sends.
Fig. 9 is the flow chart of the present embodiment, as shown in Figure 9, mainly comprises the steps:
Step 901, the system broadcast message SystemInformation that UTRAN sends, the parameter of carrying in this message indicates the type of this base station sub-system;
In the present embodiment, the type of base station sub-system is indicated jointly by the type identification of base station sub-system and the type identification number of base station sub-system.
Wherein, the type identification of base station sub-system can define new MTC communication mark and indicate, and represents that this base station sub-system is that M2M is special, H2H is special or M2M and H2H shares by different values;
In this case, the MTC communication mark of this new definition can be added in MasterInformation Block message blocks, also can be added in System Information BlockType3 message blocks;
And, the type identification of base station sub-system number can indicate by the closed user group identification number (CSGIdentity) in multiplexing existing SystemInformation Block Type3 message blocks, this CSG-Identity number of carrying out section is distinguished, respectively for Home eNodeB and MTC communication.CSG-Identity for MTC communication can be used for identifying which MTC device and allow this base station sub-system of access;
Or in this case, which MTC device the type identification number of base station sub-system also can indicate allow this base station sub-system of access with MTC group identification number (MTC Group ID);
Further, MTC group identification number (MTC Group ID) can be added in MasterInformation Block message blocks, also can be added in System Information BlockType3 message blocks.
In addition, the type identification of base station sub-system also can use the closed user group in existing MasterInformation Block message blocks to identify (CSG-Indicator) and indicate, and MTC device processes as existing CSG user;
In this case, the type identification number of base station sub-system can use the CSG-Identity not needing the number of carrying out section to distinguish in existing System Information Block Type3 message blocks to indicate, and allows this base station sub-system of access to identify which MTC device.
Further, when CSG-Indicator indicates this base station sub-system to be closed mode, only allow a MTC UE to contract this CSG-Identity by restriction, this base station sub-system can be that MTC is special;
Or, when CSG-Indicator indicate this base station sub-system be mixed mode or open mode time, also can use the MTC communication mark instruction of new definition, represent whether allow MTC communication by different values;
The MTC communication mark of this new definition can be added in Master InformationBlock message blocks, also can be added in System Information Block Type3 message blocks.
Step 902, the type of the base station sub-system that MTC UE indicates according to system broadcast message judges to allow this base station sub-system of access;
Step 903, MTC UE initiates attachment flow.
It is pointed out that in the present embodiment, base station sub-system comprises: NodeB subsystem, Home NodeB subsystem.
By the present embodiment, the instruction of the system broadcast message that MTC UE can send according to base station sub-system in UTRAN, selects the special base station sub-system of M2M to adhere to.
From above description, can find out, in embodiments of the present invention, base station sub-system indicates the type of this base station sub-system by system broadcast message, thus make the type that subscriber equipment can indicate according to system broadcast message, select whether access this base station sub-system, solve in correlation technique and cause choosing the problem of the unmatched wireless network with UE because UE carries out selecting according to PLMN ID, thus can ensure that UE can correctly select corresponding base station sub-system to be linked in core net, improve the success rate of UE access of radio network.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a system of selection for Radio Access Network, is characterized in that, comprising:
Base station sub-system transmitting system broadcast, is used to indicate the type of described base station sub-system;
The type that the subscriber equipment receiving described system broadcast message indicates according to described system broadcast message, determines whether to select described base station sub-system access network;
Wherein, described base station sub-system sends described system broadcast message and comprises:
Described base station sub-system carries the type identification of described base station sub-system and the type identification number of described base station sub-system in described system broadcast message, is indicated the type of described base station sub-system by described type identification and described type identification number;
Wherein, whether described type identification is used to indicate described base station sub-system is that Machine To Machine M2M is special, and described type identification number is used to indicate the subscriber equipment that described base station sub-system allows access;
Wherein said type identification comprises: machine type communication MTC communication identifies, be used to indicate following one of at least: described base station sub-system is special, the described base station sub-system of M2M for special, the described base station sub-system of Human To Human H2H is that M2M and H2H shares.
2. method according to claim 1, is characterized in that, described type identification number comprises: closed user group identification number, and wherein, described closed user group identification number is pre-set number section used to MTC communication.
3. method according to claim 1, is characterized in that, described type identification number comprises: MTC group identification number.
4. method according to claim 1, is characterized in that, described type identification comprises: closed user group identifies.
5. method according to claim 4, is characterized in that, if the pattern of described base station sub-system is closed mode, then described type identification number comprises: closed user group identification number.
6. method according to claim 4, it is characterized in that, if the pattern of described base station sub-system is mixed mode or open mode, then described type identification number comprises: closed user group identification number and MTC communication mark, wherein, described MTC communication mark is used to indicate described base station sub-system and whether allows MTC communication.
7. method according to any one of claim 1 to 6, is characterized in that, described base station sub-system comprise following one of at least: NodeB subsystem, family NodeB subsystem, eNodeB subsystem, family eNodeB subsystem.
8. a selective system for Radio Access Network, is characterized in that, comprising: base station sub-system and subscriber equipment, wherein,
Described base station sub-system, for transmitting system broadcast, indicates the type of described base station sub-system by described system broadcast message;
Described subscriber equipment, for receiving described system broadcast message, and determines whether to select described base station sub-system access network according to the instruction of described system broadcast message;
Wherein, described base station sub-system sends described system broadcast message in the following manner:
Described base station sub-system carries the type identification of described base station sub-system and the type identification number of described base station sub-system in described system broadcast message, is indicated the type of described base station sub-system by described type identification and described type identification number;
Wherein, whether described type identification is used to indicate described base station sub-system is that Machine To Machine M2M is special, and described type identification number is used to indicate the subscriber equipment that described base station sub-system allows access;
Wherein said type identification comprises: machine type communication MTC communication identifies, be used to indicate following one of at least: described base station sub-system is special, the described base station sub-system of M2M for special, the described base station sub-system of Human To Human H2H is that M2M and H2H shares.
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| CN201010111054.7A CN102149166B (en) | 2010-02-10 | 2010-02-10 | The system of selection of Radio Access Network and system |
| PCT/CN2011/070493 WO2011097981A1 (en) | 2010-02-10 | 2011-01-21 | Method and system for radio access network (ran) selection |
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| CN201010111054.7A CN102149166B (en) | 2010-02-10 | 2010-02-10 | The system of selection of Radio Access Network and system |
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| CN101583158B (en) * | 2009-07-02 | 2012-07-11 | 杭州华三通信技术有限公司 | Control method for terminal access and control equipment |
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| CN101079769A (en) * | 2006-05-22 | 2007-11-28 | 华为技术有限公司 | Access method of heterogeneous system of CDMA network |
| CN101330722A (en) * | 2007-06-18 | 2008-12-24 | 华为技术有限公司 | Method for controlling district access as well as user facility |
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| Publication number | Publication date |
|---|---|
| CN102149166A (en) | 2011-08-10 |
| WO2011097981A1 (en) | 2011-08-18 |
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