CN104540119B - A kind of inter base station communication method and device based on X2 agencies - Google Patents
A kind of inter base station communication method and device based on X2 agencies Download PDFInfo
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- CN104540119B CN104540119B CN201410773449.1A CN201410773449A CN104540119B CN 104540119 B CN104540119 B CN 104540119B CN 201410773449 A CN201410773449 A CN 201410773449A CN 104540119 B CN104540119 B CN 104540119B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
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- H—ELECTRICITY
- 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
Abstract
The invention discloses it is a kind of based on X2 agency inter base station communication method and device, using solve the problems, such as each Home eNodeB for the identification information that X2 signaling messages distribute in X2 proxy modules uniquely caused by X2 signalings can not be accurately forwarded.This method is, when receiving First Family base station and the X2 signaling messages of the second Home eNodeB first, an overall identification information is distributed, the first mapping relations are established between the first identification information and overall identification information of identity, the distribution of First Family base station in First Family base station；The second mapping relations are established between the second identification information and overall identification information of identity, the distribution of the second Home eNodeB in the second Home eNodeB；When X2 agencies receive the X2 Signalling exchanges between First Family base station and the second Home eNodeB again, based on overall identification information, the first mapping relations and the second mapping relations, the X2 signalings are accurately forwarded and give respective objects base station, in such manner, it is possible to realize being accurately forwarded for X2 signalings.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of inter base station communication method and device based on X2 agencies.
Background technology
Long Term Evolution (Long Term Evolution, LTE) mobile communications network is compared with conventional mobile communications network,
One great change is to realize between evolved base station (Evolved NodeB) to interconnect by X2 interface, forms institute
The mesh network of meaning.
In the related art, Home eNodeB (Home evolved NodeB, HeNB), it is a kind of small-sized, low-power base
Stand, major deployments are in the indoor place such as family and office.HeNB effect is to provide a user higher service rate, and is dropped
The low expense using required for high rate services, while make up the covering deficiency of existing distributed cellular radio communication system.
HeNB has the advantages that economical, convenient, low-power output, plug and play.
For the GSM of the Home eNodeB (LTE HeNB) using Long Term Evolution, its network structure such as Fig. 1 institutes
Show, evolution block core net (Evolved Packet Core, EPC) and evolved Home eNodeB (Home evolved Node
B, HeNB, Home eNodeB is referred to as in literary) it is connected by S1 interfaces, interconnected between evolved Home eNodeB by X2 interface.It is logical
Cross introducing X2 proxy modules, each Home eNodeB, which only needs to establish one with X2 proxy modules, is connected can and neighboring home base
Station is communicated, as shown in Fig. 2 be connected between evolution block core net and X2 proxy modules by S1 interfaces, X2 proxy modules
Interconnected between each Home eNodeB by X2 interface.
Between Home eNodeB independently of each other, in X2AP signalings, Home eNodeB distribution unique mark can only ensure for
The Home eNodeB is unique, however, Home eNodeB and X2 proxy modules are established after X2 is connected, unique mark of Home eNodeB distribution
Knowledge is not unique in X2 proxy modules, if in X2 signaling messages, the unique mark of different Home eNodeB distribution is identical,
X2 proxy module None- identified Home eNodeB and its unique mark of distribution, the X2 between Home eNodeB can not be correctly forwarded to believe
Order.
The content of the invention
It is an object of the invention to provide a kind of inter base station communication method and device based on X2 agencies, to solve family's base
What X2 signalings caused by the identification information for the distribution of X2 signaling messages of standing is not unique in X2 proxy modules can not be accurately forwarded asks
Topic.
The purpose of the present invention is achieved through the following technical solutions：
A kind of inter base station communication method based on X2 agencies, including：
X2 agency receive first First Family base station be sent to the second Home eNodeB be used for trigger a Signalling exchange
During the X2 request messages of flow, obtain the First Family base station carried in the X2 request messages and be directed to the Signalling exchange flow
First identification information of distribution, and an overall identification information is distributed for the Signalling exchange flow, and in First Family's base
The first mapping relations are established between identity, first identification information and the overall identification information stood；
X2 agency receive first the second Home eNodeB return to First Family base station be used for respond the Signalling exchange
During the X2 response messages of flow, obtain the second Home eNodeB carried in the X2 request messages and be directed to the Signalling exchange flow
Second identification information of distribution, and in institute's identity of the second Home eNodeB, second identification information and described global mark
The second mapping relations are established between knowledge information；
X2 agency receive again First Family base station be sent to the second Home eNodeB based on the Signalling exchange flow
X2 request messages when, obtain the first identification information carried in the X2 request messages and overall identification information, and be based on institute
The first mapping relations and the second mapping relations are stated, obtain the second identification information, by the X2 request messages and the global mark
Know information and second identification information is sent to the second Home eNodeB；
X2 agency receive again the second Home eNodeB be sent to First Family base station based on the Signalling exchange flow
X2 response messages when, obtain the second identification information carried in the X2 response messages and overall identification information, and be based on institute
State the first mapping relations and the second mapping relations obtain the first identification information, by the X2 response messages and the overall identification
Information and first identification information are sent to First Family base station.
Optionally, further comprise：
When X2 agencies establish X2 with each Home eNodeB and are connected, each Home eNodeB SCTP information is obtained, and be based on default
The corresponding relation of the SCTP information of each Home eNodeB and each Home eNodeB identification information, identify the identity mark of each Home eNodeB
Know information.
Optionally, further comprise：
The first identification information carried in the X2 request messages that X2 agencies receive is First Family base station in handover request mistake
The identification information of terminal distribution is directed in journey, or, the cell distributed for First Family base station in resource status request process
Measure identification information.
Optionally, further comprise：
X2 agency receive first First Family base station be sent to the second Home eNodeB be used for trigger the Signalling exchange
During the X2 request messages of flow, after first mapping relations are established, by the X2 request messages and the overall identification
Information is sent to the second Home eNodeB；
X2 agency receive first the second Home eNodeB return to First Family base station be used for respond the Signalling exchange
During the X2 response messages of flow, after second mapping relations are established, the second mark carried in the X2 response messages is obtained
Know information and overall identification information, and the first mark letter is obtained based on the overall identification information and first mapping relations
Breath, First Family base station is sent to by the X2 response messages and the overall identification information and first identification information.
Optionally, further comprise：
At the end of the Signalling exchange flow, X2 agencies remove the overall identification information, first mapping relations
With second mapping relations.
A kind of inter base station communication device based on X2 agencies, including：
Map unit, the triggering one that is used for that the second Home eNodeB is sent to for receiving First Family base station first are believed
When making the X2 request messages of interaction flow, obtain the First Family base station carried in the X2 request messages and handed over for the signaling
First identification information of mutual flow distribution, and an overall identification information is distributed for the Signalling exchange flow, and first
The first mapping relations are established between the identity of Home eNodeB, first identification information and the overall identification information；
And return to being handed over for responding the signaling for First Family base station for receiving the second Home eNodeB first
During the X2 response messages of mutual flow, obtain the second Home eNodeB carried in the X2 request messages and be directed to the Signalling exchange stream
Second identification information of journey distribution, and identity, second identification information and the global mark in the second Home eNodeB
The second mapping relations are established between knowledge information；
First processing units, for receive again First Family base station be sent to the second Home eNodeB based on the letter
When making the X2 request messages of interaction flow, the first identification information carried in the X2 request messages and overall identification letter are obtained
Breath, and be based on first mapping relations and the second mapping relations, the second identification information of acquisition, by the X2 request messages and
The overall identification information and second identification information are sent to the second Home eNodeB；
Second processing unit, for receive again the second Home eNodeB be sent to First Family base station based on the letter
When making the X2 response messages of interaction flow, the second identification information carried in the X2 response messages and overall identification letter are obtained
Breath, and the first identification information is obtained based on first mapping relations and the second mapping relations, by the X2 response messages and
The overall identification information and first identification information are sent to First Family base station.
Optionally, the map unit is further used for：
When the device is established X2 with each Home eNodeB and is connected, each Home eNodeB SCTP information is obtained, and based on default
Each Home eNodeB SCTP information and each Home eNodeB identification information corresponding relation, identify the identity of each Home eNodeB
Identification information.
Optionally, the map unit is further used for：
The first identification information carried in X2 request messages is obtained, first identification information is that First Family base station is being cut
Change in request process and be directed to the identification information of terminal distribution, or, it is that First Family base station is divided in resource status request process
The cell measurement identification information matched somebody with somebody.
Optionally, the first processing units are further used for：
Receive first First Family base station be sent to the second Home eNodeB be used for trigger the Signalling exchange flow
X2 request messages when, after first mapping relations are established, by the X2 request messages and the overall identification information
It is sent to the second Home eNodeB；
Second processing unit, which is further used for receiving the second Home eNodeB first, returns to being used for for First Family base station
When responding the X2 response messages of the Signalling exchange flow, after second mapping relations are established, obtain the X2 responses and disappear
The second identification information and overall identification information carried in breath, and it is based on the overall identification information and first mapping relations
The first identification information is obtained, the X2 response messages and the overall identification information and first identification information are sent to
One Home eNodeB.
Optionally, described device also includes：
Unit is deleted, at the end of the Signalling exchange flow, X2 agencies remove the overall identification information, described
First mapping relations and second mapping relations.
Brief description of the drawings
Fig. 1 is the mesh topology schematic diagram between traditional-family base station under prior art；
Fig. 2 is that the point-to-point home base station network topology schematic diagram of X2 proxy modules is introduced under prior art；
Fig. 3 is the inter base station communication method flow schematic diagram based on X2 agencies in the embodiment of the present invention；
Fig. 4 is the inter base station communication schematic device based on X2 agencies in the embodiment of the present invention；
Fig. 5 is the inter base station communication structural representation based on X2 agencies under concrete application scene in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, is not whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is an object of the invention to provide a kind of inter base station communication method and device based on X2 agencies, each Home eNodeB and X2
An X2 connection is established between proxy module, it is possible to carry out reliable communicating with other neighboring home base stations.By family in the present invention
Front yard base station identity mark, Home eNodeB are the mark of X2 signaling messages distribution, X2 proxy modules are the complete of X2 signaling messages distribution
Office's unique mark is mapped, and realizes being accurately forwarded for X2 signalings between Home eNodeB.
The present invention program is described in detail below by specific embodiment, certainly, the present invention is not limited to following reality
Apply example.
It should be noted that the first identification information in present specification refers to that First Family base station is handed over for a certain signaling
The identification information of mutual flow distribution, the second identification information are the second Home eNodeB for the same Signalling exchange flow distribution
Identification information, overall identification information are the unique mark of X2 agent allocations, the first identification information occurred in present specification, entirely
Implication indicated by office's identification information and the second identification information these three words keeps constant, and the application is directed to same in addition
Signalling exchange flow, multiple Signalling exchanges can be included.
As shown in fig.3, in the embodiment of the present invention, the idiographic flow of the inter base station communication method based on X2 agencies is as follows：
Specifically, when X2 agencies establish X2 with each Home eNodeB and are connected, each Home eNodeB SCTP is obtained
The information of (Stream Control Transmission Protocol, SCTP), and based on default each Home eNodeB
The corresponding relation of SCTP information and each Home eNodeB identification information, identify the identification information of each Home eNodeB.
When sending X2 request messages to the second Home eNodeB for the first time in First Family base station, First Family base station and second
The newly-built X2 requests flow in Home eNodeB base station, the flow includes multiple signaling messages, if X2 request messages are handover requests
, it is necessary to the switching flow of newly-built Signalling exchange more than one during (Handover Request) message, if X2 request messages are resource shapes
State asks (Resource Status Request) message, it is necessary to the resource status more new technological process of newly-built Signalling exchange more than one.
Step 301：X2 agency receive first First Family base station be sent to the second Home eNodeB be used for trigger one
During the X2 request messages of Signalling exchange flow, obtain the First Family base station carried in the X2 request messages and distributed for the flow
The first identification information, and for the flow distribute an overall identification information, and the First Family base station identity,
The first mapping relations are established between first identification information and the overall identification information.
For example, after X2 proxy modules receive the X2 request messages that Home eNodeB 1 issues Home eNodeB 2, please for the X2
Message is asked to distribute an overall identification information, and the first mark that identification information x1, the Home eNodeB in Home eNodeB 1 distribute
The first mapping relations are established between the overall identification information Z1 of information Y1 and X2 proxy module distribution, can be with mathematic(al) representation come table
Up to the mapping relations, optionally, with Y1=f (x1), Z1=g (x1), first mapping relations are represented.
Further, the first identification information carried in the X2 request messages that X2 agencies receive, exists for First Family base station
During handover request be directed to terminal distribution identification information, or, be First Family base station in resource status request process
The cell measurement identification information of distribution.
For example, it is handover request that if X2 proxy modules, which receive Home eNodeB 1 to issue the X2 request messages of Home eNodeB 2,
(Handover Request) message, now Home eNodeB 1 during handover request for terminal (UE) distribution one mark, i.e.,
The X2AP marks (Old eNB UE X2AP ID) of source base station terminal；If X2 proxy modules receive Home eNodeB 1 and issue family
The X2 request messages of base station 2 are that resource status asks (Resource Status Request) message, and now Home eNodeB 1 exists
In resource status request process the measurement mark of a former cell, i.e., the measurement mark (eNB1 of former cell are distributed for it
Measurement ID)。
Further, X2 agencies receive First Family base station and are sent to believing for triggering one for the second Home eNodeB first
When making the X2 request messages of interaction flow, First Family base station is directed to flow distribution first is carried in the X2 request messages
Identification information, after the first mapping relations are established, after the first identification information is replaced with into overall identification information, X2 requests are disappeared
Breath and the overall identification information are sent to the second Home eNodeB.
Step 302：X2 agency receive first the second Home eNodeB return to First Family base station be used for respond the stream
During the X2 response messages of journey, obtain the second Home eNodeB carried in the X2 request messages and identified for the second of flow distribution
Information, and establish second between identity in second Home eNodeB, second identification information and the overall identification information
Mapping relations.
For example, after X2 proxy modules receive the X2 response messages that Home eNodeB 2 returns to Home eNodeB 1, in family's base
The overall identification letter for the second identification information Y2 and X2 proxy module distribution that identification information x2, the Home eNodeB 2 stood distribute
The second mapping relations are established between breath Z1, the mapping relations can be expressed with mathematic(al) representation, optionally, with Y2=m (x2), Z1
=n (x2) represents second mapping relations.
Further, the second identification information carried in the X2 response messages that X2 agencies receive, exists for the second Home eNodeB
The new identification information of terminal distribution is directed to during Handover Request Acknowledge, or, it is that the second Home eNodeB is anti-in resource status
The measurement identification information of the Target cell distributed during answering.
For example, if X2 proxy modules receive Home eNodeB 2, to issue the X2 response messages of Home eNodeB 1 true for handover request
Recognize (Handover Request Response) message, now Home eNodeB 2 is directed to terminal during Handover Request Acknowledge
(UE) the X2AP marks (New eNB UE X2AP ID) of the mark of distribution one, i.e. target BS terminal；If X2 proxy modules receive
The X2 response messages that Home eNodeB 2 is issued to Home eNodeB 2 react (Resource Status Response) for resource status
Message, now Home eNodeB 2 distribute Target cell measurement mark, i.e. Target cell in resource status course of reaction for it
Measurement mark (eNB2 Measurement ID).
Further, X2 agencies receive the second Home eNodeB and return to the above-mentioned for responding of First Family base station first
During the X2 response messages of flow, the second identification information that the second Home eNodeB is directed to flow distribution is carried in the X2 response messages
With overall identification information, after the second mapping relations are established, the second identification information carried in X2 response messages and the overall situation are obtained
Identification information, the first identification information is obtained based on overall identification information and the first mapping relations, by what is carried in X2 response messages
Second identification information replaces with overall identification information, and the overall identification information carried in X2 response messages is replaced with into the first mark
Information, the X2 response messages and overall identification information and the first identification information are sent to First Family base station.
So, overall identification of the X2 agencies for flow distribution is all carried in First Family base station and the second Home eNodeB,
It is more beneficial for First Family base station and the second Home eNodeB fast and accurately finds the mesh of each signaling message by the overall identification
Mark base station.
Step 303：X2 agencies receive again First Family base station be sent to the second Home eNodeB based on the flow
During X2 request messages, the first identification information carried in the X2 request messages and overall identification information are obtained, and reflect based on first
Relation and the second mapping relations are penetrated, obtains the second identification information, X2 request messages and overall identification information and second are identified
Information is sent to the second Home eNodeB.
Specifically, X2 agency receive again Home eNodeB 1 be sent to Home eNodeB 2 for a certain flow X2 request disappear
During breath (now the flow does not terminate), the first identification information and overall identification information are carried in the X2 request messages, obtaining should
The first identification information and overall identification information carried in X2 request messages, and based on overall identification information, the first mapping relations
The identity of the second identification information and the second Home eNodeB is obtained with the second mapping relations, by what is carried in the X2 request messages
First identification information replaces with overall identification information, and the overall identification information carried in the X2 request messages is replaced with into second
After second identification information of front yard base station distribution, the X2 request messages are sent to the second Home eNodeB.
So, the first mapping relations preserved are acted on behalf of by X2 and the second mapping relations fast and accurately can be believed the X2
Message is made to be transmitted to corresponding Home eNodeB.
Step 304：X2 agencies receive again the second Home eNodeB be sent to First Family base station based on the flow
During X2 response messages, the second identification information carried in the X2 response messages and overall identification information are obtained, and reflect based on first
Penetrate relation and the second mapping relations obtain the first identification information, X2 response messages and overall identification information and the first mark are believed
Breath is sent to First Family base station.
Disappear specifically, X2 agencies receive Home eNodeB 2 and are sent to Home eNodeB 1 and responded for the X2 of a certain flow again
During breath (now the flow does not terminate), the second identification information and overall identification information are carried in the X2 response messages, obtaining should
The second identification information and overall identification information carried in X2 request messages, and based on overall identification information, the first mapping relations
The identity of the first identification information and First Family base station is obtained with the second mapping relations, by what is carried in the X2 request messages
Second identification information replaces with overall identification information, and the overall identification information carried in the X2 request messages is replaced with into the first mark
After knowing information, the X2 response messages are sent to First Family base station.
So, the first mapping relations preserved are acted on behalf of by X2 and the second mapping relations fast and accurately can be believed the X2
Message is made to be transmitted to corresponding Home eNodeB.
Further, at the end of the Signalling exchange flow, X2 agencies remove above-mentioned first mapping relations and this second reflects
Penetrate relation.For example, (i.e. First Family base station and second family's base at the end of switching flow terminates or resource status asks flow
When all signalings have been interacted between standing), X2 agencies, which remove above-mentioned overall identification information, the first mapping relations and the second mapping, closes
System.
Based on above-mentioned technical proposal, as shown in fig.4, also providing a kind of base station based on X2 agencies in the embodiment of the present invention
Between communicator, including：Map unit 40, first processing units 41 and second processing unit 42, and unit 43 is deleted, its
In：
Map unit 40, for receive first First Family base station be sent to the second Home eNodeB be used for trigger one
During the X2 request messages of Signalling exchange flow, obtain the First Family base station carried in the X2 request messages and be directed to the Signalling exchange
First identification information of flow distribution, and an overall identification information is distributed for the Signalling exchange flow, and in First Family
The first mapping relations are established between the identity of base station, the first identification information and overall identification information；
And for receive first the second Home eNodeB return to First Family base station be used for respond the Signalling exchange
During the X2 response messages of flow, obtain the second Home eNodeB carried in the X2 request messages and distributed for the Signalling exchange flow
The second identification information, and established between identity in the second Home eNodeB, the second identification information and overall identification information
Second mapping relations.
First processing units 41, for receive again First Family base station be sent to the second Home eNodeB based on the letter
When making the X2 request messages of interaction flow, the first identification information carried in X2 request messages and overall identification information are obtained, and
Based on the first mapping relations and the second mapping relations, the second identification information is obtained, by X2 request messages and overall identification information
The second Home eNodeB is sent to the second identification information；
Second processing unit 42, for receive again the second Home eNodeB be sent to First Family base station based on the letter
When making the X2 response messages of interaction flow, the second identification information carried in X2 response messages and overall identification information are obtained, and
Obtain the first identification information based on the first mapping relations and the second mapping relations, by X2 response messages and overall identification information and
First identification information is sent to First Family base station.
Map unit 40 is further used for：When the device is established X2 with each Home eNodeB and is connected, each family's base is obtained
Stand SCTP information, and the SCTP information based on default each Home eNodeB is corresponding with each Home eNodeB identification information closes
System, identify the identification information of each Home eNodeB.
Optionally, map unit 40 is further used for obtaining the first identification information carried in X2 request messages, and this first
Identification information is the identification information that First Family base station is directed to terminal distribution during handover request, or, it is First Family
The cell measurement identification information that base station is distributed in resource status request process.
Optionally, first processing units 41 are further used for being sent to the second family receiving First Family base station first
, please by the X2 after first mapping relations are established during the X2 request messages for being used for one Signalling exchange flow of triggering of base station
Message and the overall identification information is asked to be sent to the second Home eNodeB；
Optionally, second processing unit 42, which is further used for receiving the second Home eNodeB first, returns to First Family's base
During the X2 response messages for responding the Signalling exchange flow stood, after the second mapping relations are established, X2 response messages are obtained
The second identification information and overall identification information of middle carrying, and the first mark is obtained based on overall identification information and the first mapping relations
Know information, X2 response messages and overall identification information and the first identification information are sent to First Family base station.
Optionally, the device also includes：
Delete unit 43, at the end of the Signalling exchange flow, remove overall identification information, the first mapping relations and
Second mapping relations.
X2 can be abstracted as an entity apparatus or can also be based on programming realization its function under concrete application scene.
Based on above-mentioned technical proposal, show refering to shown in Fig. 5, the embodiment of the present invention provides X2 dresses for concrete application scene
Put schematic diagram, i.e. X2 modules, including ID distributors 50, the first ID converters 51, the 2nd ID converters 52, resource reclaim device 53.
Home eNodeB 1 sends the cell handover request message for being directed to UE, X2 proxy modules to X2 proxy modules first
For the newly-built switching flow of the handover request message, contain the mark that Home eNodeB 1 is UE distribution in the cell switching information
Knowledge is ID1_1, after X2 proxy modules receive the handover request, obtains the identity x1 of Home eNodeB 1, ID1_1 is preserved,
And an overall identification NewID1 is redistributed by ID distributors 50, and the identity x1, ID1_1 for the base station 1 that founds a family
The first mapping relations between NewID1, and be to be somebody's turn to do by Home eNodeB 1 in handover request message by the first ID converters 51
The mark of UE distribution is after ID1_1 replaces with overall identification NewID1, by this handover request message (including handover request information and
Overall identification NewID1) it is sent to Home eNodeB 2.Home eNodeB 2 produces response message, the response for the handover request message
In message containing Home eNodeB 2 be the UE distribution mark be ID2_1, after X2 proxy modules receive the response message, obtain
The identity x2 of Home eNodeB 2, and the identity x2 for the base station 2 that founds a family, the second mapping between ID2_1 and NewID1
Relation, and be that ID2_1 replaces with overall identification by the mark that Home eNodeB 2 is UE distribution by the 2nd ID converters 52
NewID1, the mark ID1_1 that Home eNodeB 1 is UE distribution is obtained by the first mapping relations, the response replaced after identifying is disappeared
It is that the mark that the UE is distributed is that ID1_1 is sent jointly to cease (including response message and overall identification NewID1) and Home eNodeB 1
Home eNodeB 1.
When Home eNodeB 1 sends signaling message to Home eNodeB 2 again, the message carries ID1_1 and NewID1, foundation
Overall identification NewID1 and the second mapping relations obtain the identity x2 of the second mark ID2_1 and target BS, and ID1_1 is replaced
NewID1 is changed to, after NewID1 replaces with ID2_1, is sent to target BS x2, i.e., the message carries NewID1 and ID2_1.
When Home eNodeB 2 sends the response message of signaling to Home eNodeB 1 again, the message carries NewID1 and ID2_1,
The identity x1 of the first mark ID1_1 and target BS is obtained according to overall identification NewID1 and the first mapping relations, will
NewID1 replaces with ID1_1, and ID2_1 replaces with NewID1, is sent to target BS x1, i.e., the message carry ID1_1 and
NewID1。
Home eNodeB 1 is follow-up repeatedly and Signalling exchange occurs for Home eNodeB 2 constantly, it is only necessary to according to the first mapping relations with
Second mapping relations, and overall identification information, are fast and accurately sent to target BS by signaling message, in the switching flow knot
Shu Shi, NewID1, the first mapping relations and the second mapping relations are removed by resource reclaim device 53.
In summary, in the embodiment of the present invention, X2 agencies receive First Family base station and are sent to second family's base first
When that stands is used for the X2 request messages of one flow of triggering, obtains the First Family base station carried in the X2 request messages and be directed to the stream
First identification information of journey distribution, and distribute an overall identification information, and the body in the First Family base station for the flow
The first mapping relations are established between part mark, first identification information and the overall identification information；X2 agencies receive the first
Two Home eNodeB return to when being used to respond the X2 response messages of the flow of First Family base station, obtain in the X2 request messages
The second Home eNodeB carried is directed to the second identification information of flow distribution, and identity in second Home eNodeB,
The second mapping relations are established between second identification information and the overall identification information；X2 agencies receive First Family's base again
When station is sent to the X2 request messages based on the flow of the second Home eNodeB, the first mark carried in the X2 request messages is obtained
Know information and overall identification information, and be based on the first mapping relations and the second mapping relations, obtain the second identification information, please by X2
Message and overall identification information and the second identification information is asked to be sent to the second Home eNodeB, X2 agencies receive the second family again
When base station is sent to the X2 response messages based on the flow of First Family base station, second carried in the X2 response messages is obtained
Identification information and overall identification information, and the first identification information is obtained based on the first mapping relations and the second mapping relations, by X2
Response message and overall identification information and the first identification information are sent to First Family base station, so only need in each Home eNodeB
An X2 is established with X2 agencies to be connected, and be can be achieved with the transmitting of X2 signalings between Home eNodeB, is realized the accurate of X2 signalings
Forwarding, the X2 connections between each Home eNodeB can effectively be managed by X2 agencies, rational resource raising signaling of distributing passes
Defeated efficiency.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.So, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to comprising including these changes and modification.
Claims (8)
- A kind of 1. inter base station communication method based on X2 agencies, it is characterised in that including：X2 agency receive first First Family base station be sent to the second Home eNodeB be used for trigger a Signalling exchange flow X2 request messages when, obtain the First Family base station that is carried in the X2 request messages and distributed for the Signalling exchange flow The first identification information, and an overall identification information is distributed for the Signalling exchange flow, and in First Family base station The first mapping relations are established between identity, first identification information and the overall identification information；And described in foundation After first mapping relations, the X2 request messages and the overall identification information are sent to the second Home eNodeB；X2 agency receive first the second Home eNodeB return to First Family base station be used for respond the Signalling exchange flow X2 response messages when, obtain the second Home eNodeB for being carried in the X2 response messages and distributed for the Signalling exchange flow The second identification information, and identity, second identification information and the overall identification information in the second Home eNodeB Between establish the second mapping relations；After second mapping relations are established, second carried in the X2 response messages is obtained Identification information and overall identification information, and the first mark letter is obtained based on the overall identification information and first mapping relations Breath, First Family base station is sent to by the X2 response messages and the overall identification information and first identification information；X2 agencies receive the X2 based on the Signalling exchange flow that First Family base station is sent to the second Home eNodeB again During request message, the first identification information carried in the X2 request messages and overall identification information are obtained, and based on described the One mapping relations and the second mapping relations, the second identification information is obtained, the X2 request messages and the overall identification are believed Breath and second identification information are sent to the second Home eNodeB；X2 agencies receive the X2 based on the Signalling exchange flow that the second Home eNodeB is sent to First Family base station again During response message, the second identification information carried in the X2 response messages and overall identification information are obtained, and based on described the One mapping relations and the second mapping relations obtain the first identification information, by the X2 response messages and the overall identification information First Family base station is sent to first identification information.
- 2. the method as described in claim 1, it is characterised in that further comprise：When X2 agencies establish X2 with each Home eNodeB and are connected, each Home eNodeB SCTP information is obtained, and be based on default each family The corresponding relation of the SCTP information of front yard base station and each Home eNodeB identification information, identify the identity letter of each Home eNodeB Breath.
- 3. the method as described in claim 1, it is characterised in that further comprise：The first identification information carried in the X2 request messages that X2 agencies receive is First Family base station during handover request For the identification information of terminal distribution, or, the cell measurement distributed for First Family base station in resource status request process Identification information.
- 4. the method as described in claim 1,2 or 3 are any, it is characterised in that further comprise：At the end of the Signalling exchange flow, X2 agencies remove overall identification information, first mapping relations and the institute State the second mapping relations.
- A kind of 5. inter base station communication device based on X2 agencies, it is characterised in that including：Map unit, the signaling that is used to trigger that the second Home eNodeB is sent to for receiving First Family base station first are handed over During the X2 request messages of mutual flow, obtain the First Family base station carried in the X2 request messages and be directed to the Signalling exchange stream First identification information of journey distribution, and an overall identification information is distributed for the Signalling exchange flow, and in First Family The first mapping relations are established between the identity of base station, first identification information and the overall identification information；And building After founding first mapping relations, the X2 request messages and the overall identification information are sent to the second Home eNodeB；And for receive first the second Home eNodeB return to First Family base station be used for respond the Signalling exchange stream During the X2 response messages of journey, the second Home eNodeB carried in the X2 response messages is obtained for the Signalling exchange flow point The second identification information matched somebody with somebody, and identity, second identification information and overall identification letter in the second Home eNodeB The second mapping relations are established between breath；After second mapping relations are established, carried in the X2 response messages is obtained Two identification informations and overall identification information, and the first mark is obtained based on the overall identification information and first mapping relations Information, the X2 response messages and the overall identification information and first identification information are sent to First Family base station；First processing units, being handed over based on the signaling for the second Home eNodeB is sent to for receiving First Family base station again During the X2 request messages of mutual flow, the first identification information carried in the X2 request messages and overall identification information are obtained, and Based on first mapping relations and the second mapping relations, the second identification information is obtained, by X2 request messages and described Overall identification information and second identification information are sent to the second Home eNodeB；Second processing unit, being handed over based on the signaling for First Family base station is sent to for receiving the second Home eNodeB again During the X2 response messages of mutual flow, the second identification information carried in the X2 response messages and overall identification information are obtained, and The first identification information is obtained based on first mapping relations and the second mapping relations, by X2 response messages and described complete Office's identification information and first identification information are sent to First Family base station.
- 6. device as claimed in claim 5, it is characterised in that the map unit is further used for：When the device is established X2 with each Home eNodeB and is connected, each Home eNodeB SCTP information is obtained, and based on default each The corresponding relation of the SCTP information of Home eNodeB and each Home eNodeB identification information, identifies the identity of each Home eNodeB Information.
- 7. device as claimed in claim 5, it is characterised in that the map unit is further used for：The first identification information carried in X2 request messages is obtained, first identification information is that First Family base station please in switching The identification information of terminal distribution is directed to during asking, or, distributed for First Family base station in resource status request process Cell measurement identification information.
- 8. the device as described in claim 5,6 or 7 are any, it is characterised in that also include：Unit is deleted, at the end of the Signalling exchange flow, X2 agencies to remove the overall identification information, described first Mapping relations and second mapping relations.
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| CN201410773449.1A CN104540119B (en) | 2014-12-12 | 2014-12-12 | A kind of inter base station communication method and device based on X2 agencies |
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| CN109219063B (en) * | 2017-06-29 | 2022-02-11 | 中国移动通信有限公司研究院 | Communication method and device between base stations and base station |
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| CN102238667A (en) * | 2010-05-07 | 2011-11-09 | 北京三星通信技术研究有限公司 | Inter-base station connection establishment method |
| CN102469439A (en) * | 2010-11-05 | 2012-05-23 | 中兴通讯股份有限公司 | Methods and systems for X2 interface information indication and acquisition |
| CN103249021A (en) * | 2012-02-01 | 2013-08-14 | 华为技术有限公司 | Method and equipment for realizing multi-cell service on base station equipment |
| CN103597895A (en) * | 2011-06-10 | 2014-02-19 | 瑞典爱立信有限公司 | Dynamic carrier selection for cell base stations |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102316416B (en) * | 2010-06-29 | 2016-07-27 | 中兴通讯股份有限公司 | Terminal access method and cordless communication network |
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| CN102238667A (en) * | 2010-05-07 | 2011-11-09 | 北京三星通信技术研究有限公司 | Inter-base station connection establishment method |
| CN102469439A (en) * | 2010-11-05 | 2012-05-23 | 中兴通讯股份有限公司 | Methods and systems for X2 interface information indication and acquisition |
| CN103597895A (en) * | 2011-06-10 | 2014-02-19 | 瑞典爱立信有限公司 | Dynamic carrier selection for cell base stations |
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Address after: 510663 No. 10 Shenzhou Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 No. 10 Shenzhou Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee before: Comba Telecom System (China) Ltd. |