CN101730305A - Method for informing base station transport address in long-term evolution system - Google Patents
Method for informing base station transport address in long-term evolution system Download PDFInfo
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Abstract
The invention discloses a method for informing a base station transport address in a long-term evolution system, which comprises the following steps that: after being powered, a source base station initiates an Si interface establishing request message to a mobility management entity; the mobility management entity determines other base station information associated with an X2 interface of the source base station and sends an Si interface establishing request response message to the source base; and the Si interface establishing request response message carries base station transport address information associated with the X2 interface of the source base station. The invention also discloses another two methods for informing the base station transport address. The method of the invention can inform the base station transport address associated with the establishment of the X2 interface of the source base station in time so that the base station can establish the X2 interface; and the method is in favour of realizing information interaction between base stations and embodies integrity of attribute management of the X2 interface in automatic neighbouring area relationship optimization.
Description
Technical field
The present invention relates to radio honeycomb communication system, relate in particular in Long Term Evolution (LTE, the Long TermEvolution) mobile communication system method of informing base station transport address.
Background technology
The universal mobile telecommunications system grounding wireless access network network (E-UTRAN of LTE network by evolution described among the 36300-800, Evolved UTRAN) base station (eNB, Evolved NodeB) and evolution packet switching center (EPC, Evolved Packet Core) form the network flattening.Wherein E-UTRAN is the set of eNB, is responsible for the Access Network part; EPC is responsible for the core net part, and the EPC signaling process partly is called Mobility Management Entity (MME, Mobile Management Entity).
Wherein, eNB is connected by the S1 interface with EPC, connects by X2 interface between the eNB.S1, X2 are logic interfacing.An EPC can manage one or more eNB, and an eNB also can be controlled by a plurality of EPC, and an eNB can manage one or more sub-districts.
MANET (SON) is a kind of technology of carrying out network configuration and optimization automatically.The characteristics of this technology are the self-configuring self-optimizings, this technology is used in LTE and is made that LTE base station (eNB) can be according to the automatic configuration network parameter of certain measurement, and carry out Automatic Optimal according to network change, thus keep the network performance optimum, save lot of manpower and material resources simultaneously.
In the LTE system, whether X 2 interface between base stations can set up this interface according to the current strategies decision, if need to set up X2 interface between two base stations, so wherein the transport address (TLA) of reciprocity base station is initiated need know when X2 sets up request in any one base station.Therefore, after the base station works on power, be necessary to know the transport address of the base station that allows to set up X2 interface around it in network.But the transport address of the base station that also do not have in the prior art to propose how will to be correlated with effectively is notified to the method for current base station (for convenience of description, describing with source base station in the literary composition).
Summary of the invention
The technical problem to be solved in the present invention is exactly the method that proposes informing base station transport address in a kind of long evolving system, the transport address of other base stations that certain base station is relevant is notified to this base station, makes this base station to set up X2 interface with arbitrary base station of comprising in the notice.
In order to solve the problems of the technologies described above, the invention provides the method for informing base station transport address in a kind of long evolving system, comprising:
After powering on, source base station initiates to set up S1 interface requests message to Mobility Management Entity;
Mobility Management Entity is determined other base station informations relevant with the source base station X2 interface, sends the S1 interface and sets up request response to source base station; Described S1 interface is set up the relevant base station of the X2 interface transport addresses information that request response is carried source base station.
Further, described relevant base station transport addresses information is relevant base station transport address list information, comprises the transport address tabulation of base station Global ID, this base station support X2 interface.
Further, described source base station sends sets up the transport addresses information of carrying described source base station self in the S1 interface requests message, after Mobility Management Entity receives this message, and the transport addresses information of preserving described source base station.
In order to solve the problems of the technologies described above, the invention provides the method for informing base station transport address in a kind of long evolving system, comprising:
After powering on, source base station initiates to set up the S1 interface to Mobility Management Entity;
After the S1 interface of source base station was set up, Mobility Management Entity was determined the relevant base station of the X2 interface of described source base station, and the transport addresses information of described source base station is sent to described relevant base station by the base station transport address notification message.
Further, described base station transport address notification message comprises the transport address tabulation of type of message, source base station Global ID, source base station support X2 interface.
Further, the transport addresses information that comprises the multiple source base station relevant in the described base station transport address notification message with the relevant base station of purpose of message transmission.
Further, described Mobility Management Entity sends to the transport addresses information of described source base station after the described relevant base station, also carries out:
The transport addresses information of described source base station is preserved in described relevant base station, and sends response message to Mobility Management Entity, comprises type of message, source base station Global ID in the described response message.
In order to solve the problems of the technologies described above, the invention provides the method for informing base station transport address in a kind of long evolving system, comprising:
Source base station sends relevant base station list request information to Mobility Management Entity, the transport addresses information of the relevant base station of acquisition request;
Mobility Management Entity is according to described relevant base station list information, and the transport addresses information of described relevant base station is sent to source base station.
Further, described source base station sends relevant base station request list information by the base station transport address request message to Mobility Management Entity, the relevant base station of acquisition request transport addresses information; Mobility Management Entity will send to source base station with the transport addresses information of described relevant base station by the base station transport address request response.
Further, in the base station configuration updating flow process, source base station is to the relevant base station of Mobility Management Entity acquisition request transport addresses information, and Mobility Management Entity sends to source base station with the transport addresses information of described relevant base station.
Further, described relevant base station list information is a base station Global ID; Described relevant base station transport addresses information comprises the transport address tabulation of type of message, base station Global ID, this base station support X2 interface.
Further, can't obtain the relevant base station of transport address for Mobility Management Entity, in the transport addresses information of relevant base station base station Global ID being set is NULL.
Further, described source base station was also carried out before Mobility Management Entity sends relevant base station list request information:
Initiate to set up S1 interface requests message to Mobility Management Entity after source base station powers on, in this message, carry the transport addresses information of self;
Mobility Management Entity is preserved the source base station transport addresses information, sends the S1 interface to source base station and sets up response.
The present invention can in time notify with source base station and set up the relevant base station transport address of X2 interface, makes the base station can set up X2 interface, helps to realize the information interaction between the base station, embody Automatic Neighboring Relation optimize in the integrality of X2 interface attribute management.
Description of drawings
Fig. 1 is the embodiment of the invention one schematic diagram;
Fig. 2 is the embodiment of the invention two schematic diagrames;
Fig. 3 is the embodiment of the invention three schematic diagrames;
Fig. 4 is the embodiment of the invention four schematic diagrames.
Embodiment
In the present invention, MME is according to source base station information, the relevant base station of the X2 interface transport addresses information of this source base station sent to source base station, and/or the transport addresses information of this source base station is sent to the relevant base station of its X2 interface.
Described source base station information can be the information set up of the S1 interface of the base station transport address request message of setting up S1 interface requests message, source base station of source base station and source base station etc.
Can be the transport address of source base station to the relevant base station of MME acquisition request, MME sends to source base station with the transport address of the relevant base station of described X2 interface (being called for short relevant base station), also can be after the foundation of source base station S1 interface is finished, by the information that MME sets up according to the S1 interface of source base station, initiatively the transport address with source base station sends to described relevant base station.
The present invention is described in detail below in conjunction with drawings and the specific embodiments.
Embodiment one
In the present embodiment, expand the S1 interface and set up request response, increase relevant base station transport address list information, comprise the transport address tabulation of base station Global ID (Identification, identifier), this base station support X2 interface, as shown in table 1.
The table 1 base station transport address list information structure of being correlated with
| The cell title | There is situation | IE type and reference information |
| The relevant base station of-＞X2 interface information list | (1 ... allowing to carry the base station number at most) maximum number can be self-defined by the base station, such as being set to 10 | |
| Base station Global ID of-＞＞ | ??M | |
| The transport address tabulation that-＞＞base station is supported | (1 ... the maximum transport address number of supporting) base station allows the transport address number of support to be 256 to the maximum at present | |
| -＞＞＞base station transport address | ??M |
In table, M represents the cell that must comprise, and IE represents cell, down with.
As shown in Figure 1, present embodiment comprises the steps:
Initiate to set up S1 interface requests message to MME after step 101, source base station power on, can in this message, carry the transport addresses information of self;
Step 102, MME determines to set up other relevant base station informations with the source base station X2 interface through policy determination, and expansion S1 interface is set up request response, will the transport addresses information of relevant base station with the source base station X2 interface be carried in this message to be handed down to source base station;
In this step, MME is through behind the policy determination, to set up request response by the S1 interface with the relevant base station transport addresses information that the source base station potential demand is set up X2 interface and pass to source base station, here " potential demand " can comprise two possibilities, one is that MME just selects a range of transmission, like this differing, to establish a capital be the base station that need set up X2 interface, also has one may be that MME determines to know which base station needs and source base station is set up X2 interface;
In addition,, then only preserve the transport address list information of current source base station, existing S1 interface is not set up request response and change if MME can't realize that relation is obtained between the base station;
Step 103, source base station are preserved the relevant base station of X2 interface transport addresses information, and follow-up this information of utilizing is initiated to set up with the X2 interface of reciprocity base station.
This embodiment can solve the base station well and descend suddenly the information after powering on again behind the electricity to recover, and can in time recover X2 interface.
Embodiment two
In the present embodiment, newly-increased base station transport address notification message on the S1 interface, this message content can comprise the transport address tabulation of type of message, source base station Global ID, source base station support X2 interface, and be as shown in table 2.If it is overlapping that the adjacent base station of multiple source base station exists, then can send the multiple source base station information to same adjacent base station.
Table 2 base station transport address notification message structure
| The cell title | There is situation | IE type and reference information |
| -＞type of message | ??M | |
| -＞source base station information list | (1 ... allow to carry the base station number at most) can be self-defined by the base station, such as being set to 10 | |
| Source base station Global ID of-＞＞ | ??M | |
| The transport address tabulation that-＞＞source base station is supported | (1 ... the maximum transport address number of supporting) base station allows the transport address number of support to be 256 to the maximum at present | |
| -＞＞＞base station transport address | ??M |
As shown in Figure 2, present embodiment comprises the steps:
After powering on, step 201, source base station initiate to set up S1 interface flow process to MME;
Step 202, after the S1 interface is set up, MME is through determining to set up with the source base station potential demand the relevant base station of X2 interface behind the policy determination, and the transport addresses information of source base station is sent to the relevant base station of setting up X2 interface with the source base station potential demand by the base station transport address notification message;
If MME regularly initiates update notification, then can comprise the transport addresses information of the multiple source base station relevant in the base station transport address notification message with the relevant base station of purpose of message transmission;
Step 203, the transport addresses information of source base station is preserved in relevant base station, and the follow-up transport addresses information of source base station of utilizing is initiated to set up with the X2 interface of source base station;
In this step, for the transport address notification message can correctly be received by the relevant base station of source base station, send response message to MME after can requiring relevant base station to receive this notification message, give MME, can comprise type of message, source base station Global ID in this response message as sending ACK (affirmation) information.
Embodiment three
In the present embodiment, source base station sends relevant base station list request information to Mobility Management Entity, the transport addresses information of the relevant base station of acquisition request; Mobility Management Entity is according to described relevant base station list information, and the transport addresses information of described relevant base station is sent to source base station.
Specifically, can on the S1 interface, increase the base station transport address request message newly and the base station transport address request response realizes, the message that also can utilize current S1 interface to exist realizes, such as the base station configuration updating flow process, in the already present message of current S1 interface, expand relevant information.
Be that example describes detailed description with newly-increased base station transport address request message and base station transport address request response on the S1 interface below.
Described base station transport address request message comprises type of message, the tabulation of relevant base station Global ID, and is as shown in table 3; And correspondingly increasing the base station transport address request response, this message can comprise the transport address tabulation of type of message, the tabulation of relevant base station Global ID, each relevant base station support X2 interface, and is as shown in table 4.
Table 3 base station transport address request message structure
| The cell title | There is situation | IE type and reference information |
| -＞type of message | ??M | |
| The relevant base station of-＞X2 interface information list | (1 ... allowing to carry the base station number at most) maximum number can be self-defined by the base station, such as being set to 10 | |
| Base station Global ID of-＞＞ | ??M |
Table 4 base station transport address request response structure
| The cell title | There is situation | IE type and reference information |
| -＞type of message | ??M | |
| The relevant base station of-＞X2 interface information list | (1 ... allowing to carry the base station number at most) maximum number can be self-defined by the base station, such as being set to 10 | |
| Base station Global ID of-＞＞ | ??M | |
| The transport address tabulation that-＞＞base station is supported | (1 ... the maximum transport address number of supporting) base station allows the transport address number of support to be 256 to the maximum at present | |
| -＞＞＞base station transport address | ??M | If can't obtain the transport address of this base station, can represent with NULL |
As shown in Figure 3, comprise the steps:
Step 301, source base station in network operation process, according to newly-increased adjacent base station, are initiated the base station transport address request message to MME after the S1 interface is set up, comprise the relevant base station list information that need obtain in this message, such as base station Global ID;
Step 302, MME is according to the station list information that requires in the base station transport address request message, structure base station transport address request response can't obtain the relevant base station of transport address for MME, and it can be provided with relevant base station Global ID in this message be NULL (sky) or other particular values; Will the transport addresses information of relevant base station with the source base station X2 interface by being handed down to source base station in this message;
Step 303, source base station are preserved the relevant base station of X2 interface transport addresses information, and follow-up this information of utilizing is initiated to set up with the X2 interface of reciprocity base station.
Embodiment four
In the present embodiment, set up the transport addresses information of carrying source base station in the request message at the S1 interface, in the subsequent network running, source base station can also obtain the transport addresses information of corresponding relevant base station as required.
As shown in Figure 4, present embodiment comprises the steps:
Initiate to set up S1 interface requests message to MME after step 401, source base station power on, in this message, carry the transport addresses information of self;
Step 402, MME preserves the source base station transport addresses information, sends the S1 interface to source base station and sets up response (not carrying the transport addresses information of relevant base station);
Step 403, in network operation process, source base station is according to newly-increased adjacent base station, the relevant base station of acquisition request transport addresses information, as previously mentioned, can obtain by sending the base station transport address request message, comprise the relevant base station list information that need obtain in this message, such as base station Global ID;
Step 404, MME returns described relevant base station transport addresses information according to the station list information in the request, such as, structure base station transport address request response can't obtain the relevant base station of transport address for MME, and it can be provided with relevant base station Global ID in this message be NULL; Will the transport addresses information of relevant base station with the source base station X2 interface by being handed down to source base station in this message;
Step 405, source base station are preserved the relevant base station of X2 interface transport addresses information, and follow-up this information of utilizing is initiated to set up with the X2 interface of reciprocity base station.
The foregoing description can be used in combination, such as being used in combination of embodiment one and embodiment three.
In the present invention, how to determine the scope of described relevant base station, according to different implementation strategies and difference, such as source base station can requirements set according to operator in the bookkeeping maintenance system after, initiate to obtain request by source base station at the transport address of required relevant base station; Also the topology information in the source base station belonging positions district that can know according to MME is set relevant base station scope; Also can specify certain zone, with all base stations in this zone all as needing the relevant base station scope of notice mutually.Mode decision scheme is not retrained among the present invention.
In addition, in this article, relevant base station is meant the base station in the advice range, and adjacent base station is meant the base station adjacent with source base station; Adjacent base station generally is the relevant base station of source base station, and the base station that the base station that the relevant base station of source base station comprises might be more adjacent than source base station is many.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill 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 (13)
1. the method for informing base station transport address in the long evolving system is characterized in that, comprising:
After powering on, source base station initiates to set up S1 interface requests message to Mobility Management Entity;
Mobility Management Entity is determined other base station informations relevant with the source base station X2 interface, sends the S1 interface and sets up request response to source base station; Described S1 interface is set up the relevant base station of the X2 interface transport addresses information that request response is carried source base station.
2. the method for claim 1 is characterized in that, described relevant base station transport addresses information is relevant base station transport address list information, comprises the transport address tabulation of base station Global ID, this base station support X2 interface.
3. the method for claim 1, it is characterized in that, described source base station sends sets up the transport addresses information of carrying described source base station self in the S1 interface requests message, after Mobility Management Entity receives this message, and the transport addresses information of preserving described source base station.
4. the method for informing base station transport address in the long evolving system is characterized in that, comprising:
After powering on, source base station initiates to set up the S1 interface to Mobility Management Entity;
After the S1 interface of source base station was set up, Mobility Management Entity was determined the relevant base station of the X2 interface of described source base station, and the transport addresses information of described source base station is sent to described relevant base station by the base station transport address notification message.
5. method as claimed in claim 4 is characterized in that, described base station transport address notification message comprises the transport address tabulation of type of message, source base station Global ID, source base station support X2 interface.
6. method as claimed in claim 4 is characterized in that, comprises the transport addresses information of the multiple source base station relevant with the relevant base station of purpose of message transmission in the described base station transport address notification message.
7. method as claimed in claim 5 is characterized in that, described Mobility Management Entity sends to the transport addresses information of described source base station after the described relevant base station, also carries out:
The transport addresses information of described source base station is preserved in described relevant base station, and sends response message to Mobility Management Entity, comprises type of message, source base station Global ID in the described response message.
8. the method for informing base station transport address in the long evolving system is characterized in that, comprising:
Source base station sends relevant base station list request information to Mobility Management Entity, the transport addresses information of the relevant base station of acquisition request;
Mobility Management Entity is according to described relevant base station list information, and the transport addresses information of described relevant base station is sent to source base station.
9. method as claimed in claim 8 is characterized in that, described source base station sends relevant base station request list information by the base station transport address request message to Mobility Management Entity, the relevant base station of acquisition request transport addresses information; Mobility Management Entity will send to source base station with the transport addresses information of described relevant base station by the base station transport address request response.
10. method as claimed in claim 8, it is characterized in that, in the base station configuration updating flow process, source base station is to the relevant base station of Mobility Management Entity acquisition request transport addresses information, and Mobility Management Entity sends to source base station with the transport addresses information of described relevant base station.
11. method as claimed in claim 8 is characterized in that, described relevant base station list information is a base station Global ID; Described relevant base station transport addresses information comprises the transport address tabulation of type of message, base station Global ID, this base station support X2 interface.
12. method as claimed in claim 11 is characterized in that, can't obtain the relevant base station of transport address for Mobility Management Entity, in the transport addresses information of relevant base station base station Global ID being set is NULL.
13. method as claimed in claim 8 is characterized in that, described source base station was also carried out before Mobility Management Entity sends relevant base station list request information:
Initiate to set up S1 interface requests message to Mobility Management Entity after source base station powers on, in this message, carry the transport addresses information of self;
Mobility Management Entity is preserved the source base station transport addresses information, sends the S1 interface to source base station and sets up response.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378209A (en) * | 2010-08-13 | 2012-03-14 | 华为技术有限公司 | X2 interface building method, management method and management device |
| CN102469618A (en) * | 2010-10-29 | 2012-05-23 | 电信科学技术研究院 | Method and equipment for establishing X2 connection between base stations |
| CN103561481A (en) * | 2013-11-14 | 2014-02-05 | 华为技术有限公司 | Self-establishing method and device for X2 interfaces |
| WO2014177004A1 (en) * | 2013-09-25 | 2014-11-06 | 中兴通讯股份有限公司 | Method, device and system for establishing connection |
| CN105472766A (en) * | 2014-08-21 | 2016-04-06 | 中兴通讯股份有限公司 | Method and device for building X2 link between LTE (Long Term Evolution) home eNBs |
| CN105530622A (en) * | 2014-10-21 | 2016-04-27 | 中兴通讯股份有限公司 | Method and system for updating X2 address |
| WO2017128703A1 (en) * | 2016-01-26 | 2017-08-03 | 中兴通讯股份有限公司 | Method and device for establishing adjacency relationship |
| CN108770062A (en) * | 2012-08-21 | 2018-11-06 | 日本电气株式会社 | The method that base station and base station are carried out |
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2008
- 2008-10-10 CN CN200810168270A patent/CN101730305A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378209A (en) * | 2010-08-13 | 2012-03-14 | 华为技术有限公司 | X2 interface building method, management method and management device |
| CN102378209B (en) * | 2010-08-13 | 2015-01-07 | 华为技术有限公司 | X2 interface building method, management method and management device |
| CN102469618A (en) * | 2010-10-29 | 2012-05-23 | 电信科学技术研究院 | Method and equipment for establishing X2 connection between base stations |
| CN108770062A (en) * | 2012-08-21 | 2018-11-06 | 日本电气株式会社 | The method that base station and base station are carried out |
| US11089567B2 (en) | 2012-08-21 | 2021-08-10 | Nec Corporation | Communication system, base station, host node, and communication method |
| WO2014177004A1 (en) * | 2013-09-25 | 2014-11-06 | 中兴通讯股份有限公司 | Method, device and system for establishing connection |
| CN103561481A (en) * | 2013-11-14 | 2014-02-05 | 华为技术有限公司 | Self-establishing method and device for X2 interfaces |
| CN105472766A (en) * | 2014-08-21 | 2016-04-06 | 中兴通讯股份有限公司 | Method and device for building X2 link between LTE (Long Term Evolution) home eNBs |
| CN105530622A (en) * | 2014-10-21 | 2016-04-27 | 中兴通讯股份有限公司 | Method and system for updating X2 address |
| WO2017128703A1 (en) * | 2016-01-26 | 2017-08-03 | 中兴通讯股份有限公司 | Method and device for establishing adjacency relationship |
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Application publication date: 20100609 |