CN102056273A - Method and device for home evolved node B to select core network - Google Patents
Method and device for home evolved node B to select core network Download PDFInfo
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- CN102056273A CN102056273A CN2009101104666A CN200910110466A CN102056273A CN 102056273 A CN102056273 A CN 102056273A CN 2009101104666 A CN2009101104666 A CN 2009101104666A CN 200910110466 A CN200910110466 A CN 200910110466A CN 102056273 A CN102056273 A CN 102056273A
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Abstract
The invention provides a method and a device for a home evolved node B (HeNB) to select a core network. The method comprises that: a home evolved node B gateway (HeNB-GW) acquires public land mobile network (PLMN) information which is expected to be accessed by user equipment (UE); the HeNB-GW selects a mobile management entity (MME) belonging to the PLMN according to the acquired PLMN information; and the UE accesses the MME. By adopting the technology, the HeNB-GW can select the MME belonging to the PLMN which is expected to be accessed by the UE for the UE, the success rate of accessing the core network by the UE is improved, and the waste of network resources caused by repeated access of multiple UE is avoided.
Description
Technical field:
The present invention relates to mobile communication system, relate in particular to the technology that the evolved Node B of a kind of family expenses is selected core net.
Background technology:
Long Term Evolution (Long Term Evolution, LTE) mobile communication system comprises core net and Access Network, wherein, core net comprises Mobility Management Entity (Mobile Management Entity, MME) and gateway (Service-Gateway, S-GW) equipment, Access Network comprise evolved Node B (eNB) equipment.In the LTE system, eNB by X2 interface (X2 interface is the interface between the eNB, is used for the information exchange between the eNB) with communicate by letter in abutting connection with eNB, eNB links to each other with core net by the S1 interface, eNB is by Uu interface (eating dishes without rice or wine) and subscriber equipment (User Equipment, UE) communication.
The LTE mobile communication system also support the evolved Node B of family expenses (Home eNB, HeNB).A kind of framework mode is that HeNB equally directly links to each other with core net by the S1 interface with eNB; Another kind of framework mode is to dispose family expenses enode b gateway between core net and HeNB (Home eNB Gateway HeNB-GW), shows LTE mobile communication system network topological diagram as Fig. 1.
Wherein, being described below about HeNB-GW:
1, HeNB-GW links to each other with a lot of HeNB, but a HeNB can only be connected to a HeNB-GW;
2, to show as for core net be eNB to HeNB-GW, and showing as for HeNB is core net;
3, no matter whether dispose HeNB-GW between HeNB and core net, the interface between HeNB and the core net all is the S1 interface;
4, HeNB-GW plays between HeNB and core net the forwarding effect of the relevant signaling (that is dedicated signaling) of UE and termination effect to the relevant signaling of non-UE (that is public signaling).
Connected in the LTE mobile communication system of a plurality of MME having disposed HeNB-GW and HeNB-GW, (Redio Resourse Control, when RRC) finishing, the selection function of MME is placed on the HeNB-GW equipment carries out in Radio Resource control as UE.Because HeNB-GW equipment does not get access to Uu interface (eating dishes without rice or wine) the signaling content of UE, so HeNB-GW equipment does not also know that the UE expectation is linked into which PLMN (Public Land Mobile Network, PLMN) in, can only carry out MME according to the selection strategy of equipment of itself selects, the success rate that causes UE to be linked into core net like this reduces, and HeNB-GW can connect a lot of HeNB generally speaking, and numerous UE repeat access and can expend Internet resources.
Summary of the invention:
Given this, the technical problem to be solved in the present invention is to make HeNB-GW select MME according to the PLMN of UE expectation, finishes the selection of the evolved Node B of family expenses (HeNB) to core net.
For solving the problems of the technologies described above, one aspect of the present invention provides a kind of HeNB to select the method for core net, comprising: family expenses enode b gateway (HeNB-GW) obtains PLMN (PLMN) information that the UE expectation inserts; HeNB-GW belongs to the Mobility Management Entity (MME) of described PLMN network according to the described PLMN Information Selection that gets access to; UE is linked into described MME.
Further, the PLMN information of described UE expectation access identifies the PLMN information of (selectedPLMN-Identity) cell correspondence for the PLMN that selects.
Further, the method that described HeNB-GW obtains the PLMN information of UE expectation access comprises: UE finishes Radio Resource control (RRC) in the HeNB sub-district, finishes signaling (RRCConnectionSetupComplete) by RRC foundation and carries the PLMN information that the UE expectation inserts; HeNB gives HeNB-GW by signaling message with described PLMN information band.
Further, described HeNB gives HeNB-GW by INITIAL UE MESSAGE (initial UE message) signaling message with described PLMN information band.
Further, described HeNB-GW gets access to after the described PLMN, sends response message to HeNB.
The present invention also provides a kind of HeNB of being used for to select the device of core net, comprising: acquisition module is used for family expenses enode b gateway (HeNB-GW) and obtains PLMN (PLMN) information that the UE expectation inserts; Select module, be used for HeNB-GW belongs to described PLMN network according to the described PLMN Information Selection that gets access to Mobility Management Entity (MME); Access module is used for UE and is linked into described MME.
Further, described acquisition module obtains described PLMN and is specially: UE finishes RRC (Redio Resource Control) and connects in the HeNB sub-district, sets up the PLMN information that signaling (RRCConnectionSetupComplete) is carried UE expectation access of finishing by RRC; HeNB gives HeNB-GW by signaling message with described PLMN information band.
Further, described HeNB gives HeNB-GW by initial UE message (INITIAL UE MESSAGE) signaling message with described PLMN information band.
Further, described HeNB is by the signaling request message, and perhaps the signaling Indication message is given HeNB-GW with described PLMN information band.
Adopt technology of the present invention, make HeNB-GW can select to belong to the MME of the PLMN that the UE expectation inserts, improved the success rate that UE is linked into core net, avoided numerous UE to repeat to insert and caused expending of Internet resources for UE.
Description of drawings:
Fig. 1 is the network topological diagram of LTE mobile communication system.
Fig. 2 is a method flow schematic diagram of the present invention.
Fig. 3 is the schematic diagram of the inventive method embodiment one.
Fig. 4 is the schematic diagram of the inventive method embodiment two.
Fig. 5 is the schematic diagram of the inventive method embodiment three.
Fig. 6 is an apparatus structure schematic diagram of the present invention.
Embodiment:
Fig. 2 shows method flow schematic diagram of the present invention, and as shown in Figure 2, HeNB-GW obtains the PLMN information that the UE expectation inserts; HeNB-GW belongs to the MME of this PLMN network according to the PLMN Information Selection that gets access to; UE is linked into described MME.
Describe the present invention below in conjunction with specific embodiments and the drawings.Following examples all are based on LTE (the comprising LTE-A) mobile communication system of having disposed HeNB-GW.
Embodiment one:
Fig. 3 shows the schematic diagram of the inventive method embodiment one, as shown in Figure 3, comprising:
Step 1:UE sets up RRC and connects in the HeNB sub-district, carry the PLMN information that the UE expectation inserts in the RRCConnectionSetupComplete signaling message, i.e. the PLMN information of selectedPLMN-Identity cell correspondence;
Wherein, selectedPLMN-Identity is " the PLMN sign of selection " or " PLMN that UE selects ".
Step 2:HeNB takes out the selectedPLMN-Identity cell from the RRCConnectionSetupComplete signaling message.
Step 3:HeNB is filled up to the PLMN information of the selectedPLMN-Identity cell correspondence of taking-up in the step 2 in INITIAL UE MESSAGE (initial UE message) signaling message, and sends INITIAL UE MESSAGE signaling message to HeNB-GW.
After step 4:HeNB-GW receives the INITIAL UE MESSAGE signaling message of HeNB transmission, from signaling message, take out the PLMN information that the UE expectation is selected, if this MME is then selected in the success of PLMN information matches under the MME that this PLMN information and HeNB-GW preserve.
The MME that step 5:HeNB-GW selects to step 4 sends INITIAL UE MESSAGE signaling message, set up with this MME between the relevant signaling connection of UE, make UE be linked into this MME.
Embodiment two:
Fig. 4 shows the schematic diagram of the inventive method embodiment two, as shown in Figure 4, comprising:
Step 1:UE sets up RRC and connects in the HeNB sub-district, carry the PLMN information that the UE expectation inserts in the RRCConnectionSetupComplete signaling message, i.e. the PLMN information of selectedPLMN-Identity cell correspondence.
Step 2:HeNB takes out the selectedPLMN-Identity cell from the RRCConnectionSetupComplete signaling message.
Step 3:HeNB gives HeNB-GW by the PLMN information band that the signaling Indication message is selected the UE expectation;
Particularly, described signaling Indication message can be the agreement regulation, also can be any signaling Indication message of user oneself definition;
Particularly, HeNB is filled up to the PLMN information of the selectedPLMN-Identity cell correspondence of taking-up in the step 2 in this signaling Indication message, and send this signaling Indication message to HeNB-GW, after HeNB-GW receives this signaling Indication message, from this signaling Indication message, take out its PLMN information of carrying.
Step 4:HeNB sends INITIAL UE MESSAGE signaling message to HeNB-GW.
After step 5:HeNB-GW receives INITIAL UE MESSAGE signaling message, carry out MME according to the PLMN information of obtaining in the step 3 and select;
Particularly, the PLMN information under the MME that PLMN information that step 3 is obtained and HeNB-GW preserve is mated, and selects the MME that the match is successful.
Step 6:_UE is linked into the MME that step 5 is selected;
Particularly, the MME that HeNB-GW selects to step 5 sends INITIAL UE MESSAGE signaling message, set up with this MME between the relevant signaling connection of UE, make UE be linked into this MME.
Embodiment three:
Fig. 5 shows the schematic diagram of the inventive method embodiment three, as shown in Figure 5, comprising:
Step 1:UE sets up RRC and connects in the HeNB sub-district, carry the PLMN information that the UE expectation inserts in the RRCConnectionSetupComplete signaling message, i.e. the PLMN information of selectedPLMN-Identity cell correspondence.
Step 2:HeNB takes out the selectedPLMN-Identity cell from the RRCConnectionSetupComplete signaling message.
Step 3:HeNB gives HeNB-GW by the PLMN information band that the signaling request message is selected the UE expectation;
Particularly, described signaling request message can be the agreement regulation, also can be any signaling request message of user oneself definition;
Particularly, HeNB is filled up to the PLMN information of the selectedPLMN-Identity cell correspondence of taking-up in the step 2 in this signaling request message, and send this signaling request message to HeNB-GW, after HeNB-GW receives this signaling request message, from this signaling request message, take out its PLMN information of carrying.
Step 4:HeNB-GW sends response message to HeNB after getting access to the PLMN information that UE expectation selects.
Step 5:HeNB receives the response message of success, and then execution in step 6; If HeNB does not receive the response message of HeNB-GW or receives the response message of HeNB-GW failure that then execution in step 3.
Step 6:HeNB sends INITIAL UE MESSAGE signaling message to HeNB-GW.
After step 7:HeNB-GW receives INITIAL UE MESSAGE signaling message, carry out MME according to the PLMN information of obtaining in the step 3 and select;
Particularly, PLMN information is mated under the MME that PLMN information that gets access to from step 3 and HeNB-GW preserve, and selects the MME that the match is successful.
Step 8:UE is linked into the MME that step 7 is selected;
Particularly, the MME that HeNB-GW selects to step 7 sends INITIAL UE MESSAGE signaling message, set up with this MME between the relevant signaling connection of UE, make UE be linked into this MME.
Device embodiment
Based on same inventive concept, also provide a kind of HeNB of being used for to select the device of core net in the embodiment of the invention, because the principle of this device solves problem selects the method for core net similar to HeNB, so the enforcement of this device can repeat part and repeat no more referring to the enforcement of method.
Fig. 6 is the apparatus structure schematic diagram that HeNB of the present invention selects core net, as shown in Figure 6, comprise acquisition module, select module and access module, wherein, acquisition module is used for family expenses enode b gateway (HeNB-GW) and obtains PLMN (PLMN) information that the UE expectation inserts; Select module, be used for HeNB-GW belongs to described PLMN network according to the described PLMN Information Selection that gets access to Mobility Management Entity (MME); Access module is used for UE and is linked into described MME.
Particularly, the PLMN information that acquisition module obtains UE expectation access comprises: UE finishes Radio Resource control (RRC) in the HeNB sub-district, carries the PLMN information that the UE expectation inserts by the RRCConnectionSetupComplete signaling; HeNB gives HeNB-GW by INITIAL UE MESSAGE signaling message with the PLMN information band that the UE expectation inserts.
HeNB can also give HeNB-GW with the PLMN information band of UE expectation by any signaling request message or signaling Indication message.
More than describe operation principle of the present invention in detail, but the embodiment of this visualization of just enumerating for the ease of understanding does not constitute the qualification to protection range of the present invention.Under the situation that does not deviate from spirit of the present invention and essence thereof, those skilled in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the evolved node of family expenses (HeNB) is selected the method for core net, it is characterized in that, comprising:
Family expenses enode b gateway (HeNB-GW) obtains PLMN (PLMN) information that the UE expectation inserts;
HeNB-GW belongs to the Mobility Management Entity (MME) of described PLMN network according to the described PLMN Information Selection that gets access to;
UE is linked into described MME.
2. method according to claim 1 is characterized in that, the PLMN information that described UE expectation inserts identifies the PLMN information of (selectedPLMN-Identity) cell correspondence for the PLMN that selects.
3. method according to claim 2, it is characterized in that, the method that described HeNB-GW obtains the PLMN information of UE expectation access comprises: UE finishes Radio Resource control (RRC) in the HeNB sub-district, finishes signaling (RRCConnectionSetupComplete) by RRC foundation and carries the PLMN information that the UE expectation inserts;
HeNB gives HeNB-GW by signaling message with described PLMN information band.
4. method according to claim 3 is characterized in that, described HeNB gives HeNB-GW by initial UE message (INITIAL UE MESSAGE) signaling message with described PLMN information band.
5. method according to claim 3 is characterized in that, described HeNB is by the signaling request message, and perhaps the signaling Indication message is given HeNB-GW with described PLMN information band.
6. method according to claim 3 is characterized in that, described HeNB-GW gets access to after the described PLMN, sends response message to HeNB.
7. one kind is used for the device that the evolved node of family expenses (HeNB) is selected core net, it is characterized in that, comprising:
Acquisition module is used for family expenses enode b gateway (HeNB-GW) and obtains PLMN (PLMN) information that the UE expectation inserts;
Select module, be used for HeNB-GW belongs to described PLMN network according to the described PLMN Information Selection that gets access to Mobility Management Entity (MME);
Access module is used for UE and is linked into described MME.
8. device according to claim 7 is characterized in that, described acquisition module obtains described PLMN and is specially:
UE finishes Radio Resource control (RRC) in the HeNB sub-district, set up the PLMN information that signaling (RRCConnectionSetupComplete) is carried UE expectation access of finishing by RRC;
HeNB gives HeNB-GW by signaling message with described PLMN information band.
9. device according to claim 8 is characterized in that, described HeNB gives HeNB-GW by INITIAL UE MESSAGE (initial UE message) signaling message with described PLMN information band.
10. device according to claim 8 is characterized in that, described HeNB is by the signaling request message, and perhaps the signaling Indication message is given HeNB-GW with described PLMN information band.
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| WO2017167027A1 (en) * | 2016-04-01 | 2017-10-05 | 电信科学技术研究院 | Network access method, and associated equipment and system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103650629B (en) * | 2011-06-23 | 2017-04-19 | 日本电气株式会社 | Communication system, base station device, gateway device, method for controlling base station device, and method for controlling gateway device |
| CN108353351A (en) * | 2015-11-10 | 2018-07-31 | 华为技术有限公司 | Select method, the network equipment and the management equipment of service network |
| CN108353351B (en) * | 2015-11-10 | 2020-10-23 | 华为技术有限公司 | Method for selecting service network, network equipment and management equipment |
| US11012928B2 (en) | 2015-11-10 | 2021-05-18 | Huawei Technologies Co., Ltd. | Method and network device for selecting service network, and management device |
| WO2017167027A1 (en) * | 2016-04-01 | 2017-10-05 | 电信科学技术研究院 | Network access method, and associated equipment and system |
| TWI640214B (en) * | 2016-04-01 | 2018-11-01 | 電信科學技術研究院 | Network access method, related equipment and system |
| US10462716B2 (en) | 2016-04-01 | 2019-10-29 | China Academy Of Telecommunications Technology | Network access method, relevant device and system |
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Application publication date: 20110511 |