CN106162599A - A kind of information transferring method and equipment - Google Patents
A kind of information transferring method and equipment Download PDFInfo
- Publication number
- CN106162599A CN106162599A CN201510203170.4A CN201510203170A CN106162599A CN 106162599 A CN106162599 A CN 106162599A CN 201510203170 A CN201510203170 A CN 201510203170A CN 106162599 A CN106162599 A CN 106162599A
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- Prior art keywords
- base station
- adjacent base
- core net
- information
- message
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
Abstract
The invention provides a kind of information transferring method and equipment, including: in off-grid base station side, determine that base station loses the connection with core net；The inquiry message whether supporting transfer is sent to adjacent base station；Support that the adjacent base station of transfer confirmation message sends and will mail to the information of core net to described return, and/or, from the described adjacent base station reception information returning and supporting that transfer confirms message.In relay base station side, receive the inquiry message whether supporting transfer that adjacent base station sends；Determine keep being connected with core net time, return the confirmation message of support transfer to described adjacent base station；Receive described adjacent base station mail to the information of core net and send to core net, and/or, send information to described adjacent base station.Use this programme, can after base station loses with core net and to be connected still can by relay base station for it under resident subscriber equipment the function serviced is provided.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of information transferring method and equipment.
Background technology
In the 3 gpp standards, eNB (e NodeB, evolution base station) and user UE (User Equipment,
Subscriber equipment) corresponding.The major function of eNB has:
Radio resource management function: radio bearer control, wireless access control, the control of connection mobility, UE
Up-downgoing Resource dynamic allocation and scheduling etc..
The encryption of customer traffic and IP header-compressed.
The information provided when UE adheres to not can determine that arrival certain MME (Mobility Management
Entity, Mobility Management Entity) route time, eNB is that UE selects a MME.
User plane data is routed to corresponding S-GW (Serving Gateway, gateway).
The scheduling of the beep-page message that MME initiates and transmission.
The broadcast message that MME or O&M (Operations&Maintenance runs and safeguards) initiates
Scheduling and transmission.
For mobility and the measurement of scheduling and measurement report configuration.
Visible, eNB is in LTE (Long Term Evolution, Long Term Evolution) after UE and evolution
Bridge between core net EPC (Evolved Packet Core, evolution block core net), eNB is it
Under resident UE provide service by core net.
But, due to some cause specific, base station can be caused to lose the connection with core net, such as in earthquake
Time.Prior art exist deficiency be that when base station lose with the connection of core net after, for these
Losing UE resident under the eNB of connection, it is impossible to re-registration to core net, core net can be the most no longer these
UE provides service.
Summary of the invention
The embodiment of the present invention provides a kind of information transferring method and equipment, in order to make eNB lose with
After the connection of core net, additionally it is possible to provide service for UE resident under it.
Providing a kind of information transferring method in the embodiment of the present invention, the method includes:
Determine that base station loses the connection with core net；
The inquiry message whether supporting transfer is sent to adjacent base station；
Determine and return to the adjacent base station supporting that transfer confirms message；
Support that the adjacent base station of transfer confirmation message sends and will mail to the information of core net to described return, and
/ or, from the described adjacent base station reception information returning and supporting that transfer confirms message.
It is preferred that initiating in the registration process of core net:
When receiving information from the described adjacent base station returning support transfer confirmation message, this information is S1
Setup message, sends registers kernel network information needed to described adjacent base station.
It is preferred that initiate in signaling procedure for UE:
To described return support transfer to confirm the adjacent base station of message sends when mailing to the information of core net,
This information comprises the upstream message of this UE mark, from the described adjacent base returning and supporting that transfer confirms message
During reception information of standing, this information comprises the downstream message of this UE mark.
It is preferred that it is the connection losing S1 interface that base station loses the connection with core net；
Send whether support that the inquiry message of transfer is sent by X2 interface to adjacent base station.
Additionally providing a kind of information transferring method in the embodiment of the present invention, the method includes:
Receive the inquiry message whether supporting transfer that adjacent base station sends；
Determine keep being connected with core net time, the confirmation returning support transfer to described adjacent base station disappears
Breath；
Receive described adjacent base station mail to the information of core net and send to core net, and/or, to described phase
Adjacent base station sends information.
It is preferred that in the registration process of core net is initiated in described adjacent base station:
Sending information to described adjacent base station, this information is S1 setup message, receives described adjacent base
The information of core net is mail at station, and this information is to the information needed for registers kernel network, and in config update process
Middle transmission is to core net.
It is preferred that be to belong to the UE under it to initiate in signaling procedure in described adjacent base station:
Receiving described adjacent base station and mail to the information of core net, this information includes up the disappearing of UE mark
Breath, and/or, sending information to described adjacent base station, this information is that this UE that comprises that core net returns marks
The information known.
Mail to the information of core net it is preferred that receive described adjacent base station and send to core net, and/or,
Information is sent to described adjacent base station, including:
Set up the direct channel between described adjacent base station and core net；
The information that described adjacent base station is mail to core net by described direct channel is sent to core net, and
/ or, by described direct channel, core net is returned the information transmission of described adjacent base station to described the most adjacent
Base station.
It is preferred that described direct channel is SCTP interface channel.
It is preferred that receive the inquiry message whether supporting transfer that adjacent base station sends, it is to be connect by X2
Mouth receives；
The connection that base station and core net keep is the connection of S1 interface.
The embodiment of the present invention additionally provides a kind of information transmission equipment, including:
The company of mistake determines module, for determining that base station loses the connection with core net；
Transfer inquiry module, for sending the inquiry message whether supporting transfer to adjacent base station；
Transfer determines module, returns to, for determining, the adjacent base station supporting that transfer confirms message；
To described return, signal dispatcher module, for supporting that the adjacent base station of transfer confirmation message sends and will send out
Toward the information of core net, and/or, from the described adjacent base station reception information returning and supporting that transfer confirms message.
It is preferred that signal dispatcher module is further used for initiating in the registration process of core net, from described
Adjacent base station receives S1 setup message, sends registers kernel network information needed to described adjacent base station.
It is preferred that signal dispatcher module is further used for initiating in signaling procedure for UE, to described adjacent
Base station send the upstream message comprising this UE mark, receive from described adjacent base station return comprise this
The downstream message of UE mark.
It is preferred that the company of mistake determines that module is further used for determining that the connection that base station loses with core net determines that mistake
Go the connection of S1 interface；
Transfer inquiry module is further used for by X2 interface sends whether support transfer to adjacent base station
Inquiry message.
The embodiment of the present invention additionally provides a kind of information transmission equipment, including:
Inquiry receiver module, for receiving the inquiry message whether supporting transfer that adjacent base station sends；
Transfer confirms module, for determine keep being connected with core net time, to described adjacent base station return
Support the confirmation message of transfer；
Transceiver module, mails to the information of core net for receiving described adjacent base station and sends to core net,
And/or, send information to described adjacent base station.
It is preferred that transceiver module is further used for initiating the registration process of core net in described adjacent base station
In, send S1 setup message to described adjacent base station, receive the core net that described adjacent base station sends
Registration information needed, and send to core net during config update.
It is preferred that transceiver module is further used for being that the UE belonged under it initiates letter in described adjacent base station
During order, receive described adjacent base station and mail to the upstream message comprising UE mark of core net and send
To core net, and/or, send, to described adjacent base station, the information comprising this UE mark that core net returns.
It is preferred that transceiver module is further used for mailing to the information of core net also in the described adjacent base station of reception
Send to core net, and/or, when sending information to described adjacent base station, set up described adjacent base station with
Direct channel between core net；And by described direct channel, core net is mail in described adjacent base station
Information sends to core net, and/or, by described direct channel, core net returned described adjacent base station
Information sends to described adjacent base station.
It is preferred that transceiver module is further used for setting up SCTP interface channel, and connected logical by SCTP
Receive and send messages in road.
It is preferred that inquire receiver module to be further used for by what X2 interface received adjacent base station transmission it is
The inquiry message of no support transfer；
Transfer confirms that module is further used for determining the connection that the connection that base station and core net keep is S1 interface.
The method have the benefit that
In the technical scheme that the embodiment of the present invention provides, due in remote eNB side, when determining base station
Lose with the connection of core net after, send the inquiry message whether supporting transfer to adjacent base station；Determining
After supporting the adjacent base station that transfer confirms, i.e. mail to the information of core net with adjacent relay eNB.
Accordingly, in relay eNB side, determine with core net keep is connected time, to this base station offer in
Turn and support, receive and dispatch this remote eNB and mail to the information of core net.
So, after eNB loses with core net and to be connected, still can pass through relay by this technical scheme
ENB provides the function of service for UE resident under it.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes of the present invention
Point, the schematic description and description of the present invention is used for explaining the present invention, is not intended that to the present invention not
Work as restriction.In the accompanying drawings:
Fig. 1 is eNB and the connection diagram of core net in the embodiment of the present invention；
Fig. 2 is the connection diagram that in the embodiment of the present invention, part eNB loses with core net；
Fig. 3 is the information transferring method implementing procedure schematic diagram of Remote base station side in the embodiment of the present invention；
Fig. 4 is the information transferring method implementing procedure schematic diagram of Relay base station side in the embodiment of the present invention；
Fig. 5 is relay eNB discovery procedure implementing procedure schematic diagram in the embodiment of the present invention；
Fig. 6 be in the embodiment of the present invention relay eNB cut-off S1 setup procedural mode under relay eNB with
Signaling connection diagram between Remote eNB；
Fig. 7 be in the embodiment of the present invention relay eNB cut-off S1 setup procedural mode under S1 setup flow process
Schematic diagram；
Fig. 8 be in the embodiment of the present invention relay eNB be remote eNB set up with network be directly connected to lead to
Signaling connection diagram between relay eNB and Remote eNB under road mode；
Fig. 9 be in the embodiment of the present invention rrelay eNB be remote eNB set up with network be directly connected to lead to
S1 setup schematic flow sheet under road mode；
Figure 10 is that in the embodiment of the present invention, relay eNB ends remote eNB message, carries out the side forwarded
Under formula, UE identifies schematic diagram；
Figure 11 is the information transmission equipment of remote eNB side in the embodiment of the present invention；
Figure 12 is the information transmission equipment of relay eNB side in the embodiment of the present invention；
Figure 13 is remote eNB structural representation in the embodiment of the present invention；
Figure 14 is relay eNB structural representation in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the embodiment of the present invention is described in detail.
Inventor note that during invention
Discuss the most in the protocol and support IOPS (Isolated E-UTRAN Operation for Public
Safety, the separation E-UTRAN operation of public safety) communication issue of multi-mode base station, IOPS pattern
How base station refers to when base station loses the connection of EPC or base station only has the limited connection to EPC
Service is provided for UE.This characteristic at least can support this scene shown in Fig. 2.Fig. 1 is eNB
With the connection diagram of core net, Fig. 2 is the connection diagram that part eNB loses with core net, below
Illustrate in conjunction with two figures.
The change procedure of this scene is: before eNB shown in Fig. 1 does not lose the connection of core net
Scene, is connected as it can be seen, each eNB carries out S1 by S1 interface with EPC, between each adjacent eNB
X2 connection is carried out by X2 interface.For some reason, such as earthquake etc., in Fig. 1, some base station may
Lose the connection of EPC, but its some adjacent eNB still keeps being connected with core net.In figure
The S1 that will be switched off connects the signal of forked figure, and in figure, the S1 of eNB with EPC with circular indicia is connected
Disconnect, keep being connected with the S1 of EPC with the eNB of square mark, between eNB, keep X2 to connect.
Wherein, S1 interface is the communication interface between eNB and EPC, and S1 interface has followed carrying and control
The thought that system separates, is divided into two interfaces, and one is used for controlling plane (S1-MME), and one is used for user
Plane (S1-U).Control plane interface S1-MME to be connected with MME base station, mainly complete S1 and connect
The functions such as the Operation and Maintenance that the RAB of mouth controls, interface is special.X2 interface is between eNB
Interface, is supported the directly transmission of data and signaling, is interconnected by X2 interface, define between eNB
Mesh network.
Due to some cause specific, some region of portion of base stations can be caused to lose the connection with core net, example
Shake scene as described above, under these scenes, lose some base station that the eNB of connection is adjacent still
Keeping the connection between core net, these are lost to UE resident under the eNB of connection, operator is still
So wish to be registered to core net for these UE and provide service for it.But, the most not technical side
Case can solve the problem that this problem.
Based on this, in the technical scheme that the embodiment of the present invention provides, when eNB loses the S1 of EPC
During connection, the letter that eNB connects to adjacent eNB its S1 losing EPC mutual on X2 interface
Breath, and inquires adjacent base station around, and who is provided that the connection transfer of EPC.Receive the adjacent base station of information
Return its S1 whether having to EPC to connect, and whether can be as the transfer base station to EPC.Base station is received
After the information returned, select certain eNB as the transfer base station to EPC in the eNB of return information.
Below the specific embodiment of each equipment is illustrated, for ease of describing, in the embodiment of the present invention
To be defined as follows:
Remote eNB: i.e. off-grid eNB, this kind of eNB are to lose EPC to connect or the most limited
To the eNB of the connection of EPC, that is, the eNB losing S1 connection is remote eNB.
Relay eNB: for providing the eNB of the function of relay transfer between remote eNB and EPC, that is,
Relay eNB is become selected as the eNB of transfer message to MME by remote eNB.As remote eNB
The registration process of core net is initiated after have selected relay eNB.
In declarative procedure, enforcement from Remote base station side, Relay base station side respectively is illustrated,
But this does not imply that the two must coordinate enforcement, it practice, when the two is performed separately, it is respectively explained by oneself
The certainly problem on this side, when simply the two is used in combination, can obtain superior technique effect.
Fig. 3 is the information transferring method implementing procedure schematic diagram of Remote base station side, as it can be seen, the party
Method may include steps of:
Step 301, determine that base station loses the connection with core net；
Step 302, send the inquiry message whether supporting transfer to adjacent base station；
Step 303, determine return support transfer confirm message adjacent base station；
Step 304, to described return support transfer to confirm the adjacent base station of message sends will mail to core net
Information, and/or, from described return support transfer to confirm the adjacent base station of message receives information.
In the specific implementation, can use two ways, a kind of mode is relay eNB cut-off to step 304
Remote eNB message, carries out the mode forwarded, one be relay eNB be remote eNB set up and net
Network be directly connected to the mode that passage is transmitted for remote eNB with network.It is illustrated below.
One, relay eNB ends remote eNB message, carries out the mode forwarded.
Initiating in the registration process of core net:
The information received from described adjacent base station is S1 setup message, sends core to described adjacent base station
Heart net registration information needed.
Concrete, under which, relay eNB has ended the registration process of remote eNB, remote eNB
Send S1 setup message to Relay eNB, message comprises eNB ID, TAI (the Tracking Area of support
ID, tracking area identification) etc. information.Relay eNB can be at relay eNB and MME after receiving these information
Configuration is initiated more on S1 interface between (Mobility Management Entity, Mobility Management Entity)
New process, by information updatings such as eNB ID and TAI that receive at remote eNB to MME.At this
Under mode, relay eNB shields the information of the remote eNB of connection to MME, and MME receives configuration
Will be appreciated that it is that the configuration of relay eNB there occurs amendment after renewal process.
Initiating in signaling procedure for UE:
Send the upstream message comprising this UE mark to described adjacent base station, connect from described adjacent base station
Receive the downstream message comprising this UE mark returned.
Concrete, after remote eNB completes registration process, remote eNB just can be that UE initiates
Signaling procedure.When sending upstream message, remote eNB is specifically as follows UE and distributes eNB UE S1 AP ID
(this mark is the eNB end that eNB distributes to that on S1 interface each UE chain of command on S1 connects
Mark), message arrives after relay eNB, and relay eNB is the eNB UE S1 AP that this UE distribution is new
ID, and replace eNB UE S1 AP ID original in message, and it is sent to MME.MME is this
(this mark is that MME distributes to each UE on S1 on S1 to UE distribution MME UE S1 AP ID
The mark of MME end that connects of chain of command) be included in the downstream message of return, after relay eNB receives
New MME UE S1 AP ID can be distributed for this UE, replace MME UE S1 original in message
AP ID, and it is sent to remote eNB.
Two, relay eNB be remote eNB set up with network be directly connected to passage for remote eNB with
The mode that network is transmitted.
Concrete, under which, S1 setup message is passed to MME, Relay eNB by relay eNB
Receiving after the S1 setup message that remote eNB sends over, this message is transparent to by relay eNB
MME.Different transport layer marks can be used at bottom, send over from remote eNB for transmission
Signaling, thus set up a new SCTP (Stream Control Transmission for this eNB
Protocol, SCTP) connect.Different transmission marks can be different IP address, also
It can be different SCTP port numbers.
The purpose of this process be by remote eNB set up between remote eNB and MME direct
SCTP connects, and the signaling between remote eNB and MME route simply by relay eNB, relay
ENB need not the signaling message of transmission is done any process.
It should be noted that for mode one and mode two, the processing mode on remote eNB is one
Sample, the difference of the two is mainly embodied on relay eNB.That is, its difference is that relay eNB is
Use transfer still to set up direct channel for it, but remote eNB sends to adjacent base station and will mail to core
The information of heart net is the same.
In enforcement, it is the connection losing S1 interface that base station loses the connection with core net；
Send whether support that the inquiry message of transfer is sent by X2 interface to adjacent base station.
Fig. 4 is the information transferring method implementing procedure schematic diagram of Relay base station side, as it can be seen, the method
May include steps of:
Step 401, receive the inquiry message whether supporting transfer that adjacent base station sends；
Step 402, determine keep being connected with core net time, return support transfer to described adjacent base station
Confirmation message；
Step 403, receive described adjacent base station and mail to the information of core net and send to core net, and/
Or, send information to described adjacent base station.
In the specific implementation, can use two ways, a kind of mode is relay eNB cut-off to step 403
Remote eNB message, carries out the mode forwarded, one be relay eNB be remote eNB set up and net
Network be directly connected to the mode that passage is transmitted for remote eNB with network.It is illustrated below.
One, relay eNB ends remote eNB message, carries out the mode forwarded.
In the registration process of core net is initiated in described adjacent base station:
Send S1 setup message to described adjacent base station, receive the core net that described adjacent base station sends
Registration information needed, and send to core net during config update.
Concrete, under which, the registration process of relay eNB cut-off remote eNB,
Relay eNB is after sending S1 setup message to remote eNB, and remote eNB is to Relay eNB
Return S1 setup message, for transmitting the information such as the eNB ID, the TAI of support of remote eNB.Relay
ENB can initiate config update on the S1 interface between relay eNB and MME after receiving these information
Process, by information updatings such as eNB ID and TAI that receive at variant remote eNB to MME.
Under this mode, relay eNB shields the information of the remote eNB of connection to MME, and MME receives
After config update process, will be appreciated that it is that the configuration of relay eNB there occurs amendment.
It is to belong to the UE under it to initiate in signaling procedure in described adjacent base station:
Receive described adjacent base station mail to the upstream message comprising UE mark of core net and send to core
Net, and/or, send, to described adjacent base station, the information comprising this UE mark that core net returns.
Concrete, after the registration process completing remote eNB, remote eNB can be that UE initiates
Signaling procedure.When sending upstream message, remote eNB can distribute eNB UE S1 AP ID for UE, disappears
After breath arrives relay eNB, relay eNB is the eNB UE S1 AP ID that this UE distribution is new, and replaces
Change eNB UE S1 AP ID original in message, and be sent to MME.MME is this UE distribution
MME UE S1 AP ID is included in the downstream message of return, and relay eNB can be for this UE after receiving
Distribute new MME UE S1 AP ID, replace MME UE S1 AP ID original in message, concurrently
Give remote eNB.
Two, relay eNB be remote eNB set up with network be directly connected to passage for remote eNB with
The mode that network is transmitted.
Receive described adjacent base station mail to the information of core net and send to core net, and/or, to described phase
Adjacent base station sends information, including:
Set up the direct channel between described adjacent base station and core net；
The information that described adjacent base station is mail to core net by described direct channel is sent to core net, and
/ or, by described direct channel, core net is returned the information transmission of described adjacent base station to described the most adjacent
Base station.
In enforcement, direct channel can be SCTP interface channel.
Concrete, under which, S1 setup message is passed to MME, Relay eNB by relay eNB
Receiving after the S1 setup message that remote eNB sends over, this message is transparent to by relay eNB
MME.Different transport layer marks can be used at bottom, send over from remote eNB for transmission
Signaling, thus set up new SCTP for this eNB and connect.Different transmission marks can be not
Same IP address, it is also possible to be different SCTP port numbers.
The purpose of this process be by remote eNB set up between remote eNB and MME direct
SCTP connects, and different from mode one is, the signaling between remote eNB and MME is simply by relay
ENB route, and relay eNB need not the signaling message of transmission is done any process.
In enforcement, receive the inquiry message whether supporting transfer that adjacent base station sends, be to be connect by X2
Mouth receives；
The connection that base station and core net keep is the connection of S1 interface.
How to implement for being more fully understood that, with example, Remote eNB and Relay eNB, MME are described below
Combine is embodied as.
Embodiment one
Fig. 5 is relay eNB discovery procedure implementing procedure schematic diagram, this example demonstrates discovery relay eNB
During enforcement, specifically include that Remote eNB determine base station lose with the connection of core net after,
The inquiry message whether supporting transfer is sent to adjacent base station.Relay eNB receives adjacent base station and sends
The inquiry message whether supporting transfer；Determine with core net keep be connected time, to described adjacent base station
Return the confirmation message supporting transfer.Concrete as it can be seen, can be such that
Step 501, Remote eNB send Discovery Request (finding request) to adjacent eNB
Message.
In enforcement, after Remote eNB loses S1 connection, send message at X2 interface to adjacent eNB.
Step 502, adjacent eNB return Discovery Response (finding response) to Remote eNB
Message.
In enforcement, after adjacent eNB receives the request of remote eNB, if its S1 having to EPC connects
Connect, and decision can be the transfer that remote provides EPC, then return response (response) to UE
Message.
Embodiment two
Fig. 6 be relay eNB cut-off S1 setup procedural mode under between relay eNB and Remote eNB
Signaling connection diagram, Fig. 7 be relay eNB cut-off S1 setup procedural mode under S1 setup flow process
Schematic diagram, this example demonstrates relay eNB and ends remote eNB message, and the mode carrying out forwarding exists
Enforcement during S1 setup, specifically includes that relay eNB sends S1 setup to described adjacent base station
Message, receives the registers kernel network information needed that described adjacent base station sends, and during config update
Send to core net.Concrete as it can be seen, can be such that
Step 701, Remote eNB send S1 setup request to relay eNB, and (S1 interface is set up please
Ask) message, including the information such as eNB ID, the TAI of support of Remote eNB.
Concrete as it can be seen, have three Remote eNB to send S1 setup request message.
Step 702, Relay eNB initiate eNB configuration request to MME, and (eNB configuration please
Ask).
Concrete, Relay eNB may receive the S1 setup request message from different remote eNB,
The information received is polymerized by relay eNB, and initiates eNB configuration request to MME,
The information such as the eNB ID, TAI by the remote eNB received pass to MME.
Step 703, Relay eNB receive the eNB configuration response (eNB that MME returns
Configuration response).
Concrete, MME returns response message to relay eNB after having updated information.
Step 704, relay eNB return S1 setup response (S1 interface to each remote eNB respectively
Set up response) message.
By the annexation of above-mentioned steps foundation as shown in Figure 6, message is all gone to MME by relay eNB,
Relay eNB with MME has S1 to be connected, and has X2 to be connected between remote eNB and relay eNB.
Embodiment three
Fig. 8 be relay eNB be remote eNB set up with network be directly connected to relay under channel mode
Signaling connection diagram between eNB and Remote eNB, Fig. 9 be relay eNB be remote eNB
Foundation is directly connected to S1 setup schematic flow sheet under channel mode with network, this example demonstrates relay
ENB does not end the S1 setup message of remote eNB, but for remote eNB set up with network straight
Connect the enforcement during S1 setup of the mode of interface channel, specifically include that relay eNB sets up described phase
The adjacent direct channel between base station and core net；By described direct channel, core is mail in adjacent base station
The information of net sends to core net, and/or, by direct channel, core net is returned the information of adjacent base station
Send to described adjacent base station.Concrete as it can be seen, can be such that on each remote eNB
Step 901, Remote eNB send S1 setup request message to relay eNB, including
The information such as the eNB ID, the TAI of support of Remote eNB.
Step 902, Relay eNB forward S1 setup request message to MME.
Step 903, Relay eNB receive the S1 setup response message that MME returns.
Step 904, relay eNB transmit S1 setup response message to this remote eNB.
In being embodied as, relay eNB may receive the S1 setup request that different remote eNB sends
Message, the information such as eNB ID, TAI of comprising remote eNB in message.For each remote eNB,
In figure signal for three, relay eNB be directly forwarded to after receiving MME preserve.The sound that MME returns
After answering message to arrive relay eNB, relay eNB the most directly posts messages to each remote eNB.
In this fashion, relay eNB is that each remote eNB establishes one and arrives MME's
SCTP connects, and this function has been identified by transport layer, and implementing can be by different
IP distinguishes address, it is also possible to be to be distinguished by different port numbers.
By above-mentioned steps set up annexation as shown in Figure 8, message all by relay eNB set up direct-connected
Channel transfer has the three of respectively three remote eNB foundation between MME, relay eNB and MME
Root direct channel, has X2 to be connected between remote eNB and relay eNB.
Embodiment four
Figure 10 is that relay eNB ends remote eNB message, carries out UE mark signal under the mode forwarded
Figure, this example demonstrates relay eNB and ends remote eNB message, carry out the mode that forwards based on
Enforcement in the signalling interactive process of UE, specifically includes that relay eNB receives described adjacent base station and mails to
Core net comprise UE mark upstream message and send to core net, and/or, to described adjacent base station
Send the information comprising this UE mark that core net returns.Concrete as it can be seen, can be such that
Step 1001, on remote eNB, remote eNB is its lower UE distribution eNB UE of ownership
S1 AP ID1。
Concrete, Remote eNB be the Article 1 message of UE transmission be that Initial UE message is (initial
UE message), in this message, remote eNB is that it distributes eNB UE S1 AP ID1.
Step 1002, on relay eNB, relay eNB be UE distribute eNB UE S1 AP ID2, and
Substitute eNB UE S1 AP ID1.
Concrete, relay eNB distributes eNB UE S1 AP ID2 for UE after receiving, and substitutes eNB UE
S1 AP ID1 is included in Initial UE message message and is sent to MME.
Step 1003, on network side MME, MME be UE distribute MME UE S1 AP ID2.
Concrete, MME is the Initial context that UE distribution MME UE S1 AP ID2 is included in return
In setup request (initial content sets up request), so far, MME preserves (MME UE S1 AP ID2,
ENB UE S1 AP ID2) this address is to being used for identifying after UE, relay eNB receives reservation (MME UE
S1 AP ID2, eNB UE S1 AP ID2) this address is to the interface as relay eNB Yu MME
UE mark.
Afterwards, in Signalling exchange, Relay eNB can distribute MME UE S1 AP ID2 for UE and take
For MME UE S1 AP ID1, replace eNB UE S1 AP with the eNB UE S1 AP ID1 preserved before
ID2 is included in Initial context setup request message, and relay eNB is between remote eNB
UE is identified with (MME UE S1 AP ID1, eNB UE S1 AP ID1) on interface.Remoted eNB
(MME UE S1 AP ID1, eNB UE S1 is preserved after receiving Initial context setup request message
AP ID1) address to between remote eNB and relay eNB interface identifier UE.
After completing this initial procedure, in follow-up message process, each entity and interface use such as
Shown in Figure 10, identification information identifies UE.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of information transmission equipment, due to this
The principle that a little equipment solve problem is similar to information transferring method, the therefore enforcement side of may refer to of these equipment
The enforcement of method, repeats no more in place of repetition.
Figure 11 is the information transmission equipment of remote eNB side, as it can be seen, may include that in equipment
The company of mistake determines module 1101, for determining that base station loses the connection with core net；
Transfer inquiry module 1102, for sending the inquiry message whether supporting transfer to adjacent base station；
Transfer determines module 1103, returns to, for determining, the adjacent base station supporting that transfer confirms message；
Signal dispatcher module 1104, for the described adjacent base station transmission returning and supporting that transfer confirms message
The information of core net will be mail to, and/or, from the described adjacent base station reception returning and supporting that transfer confirms message
Information.
In enforcement, signal dispatcher module can also be further used for initiating in the registration process of core net,
S1 setup message is received, needed for described adjacent base station sends registers kernel network from described adjacent base station
Information.
In enforcement, signal dispatcher module can also be further used for initiating in signaling procedure for UE, to institute
State adjacent base station and send the upstream message comprising this UE mark, receive return from described adjacent base station
Comprise the downstream message of this UE mark.
In enforcement, the company of mistake determines that module can also be further used for determining that the connection that base station loses with core net is
Determine the connection losing S1 interface；
Transfer inquiry module can also be further used for by whether X2 interface is supported to adjacent base station transmission
The inquiry message of transfer.
Figure 12 is the information transmission equipment of relay eNB side, as it can be seen, may include that in equipment
Inquiry receiver module 1201, the inquiry whether supporting transfer sent for receiving adjacent base station disappears
Breath；
Transfer confirm module 1202, for determine with core net keep be connected time, to described adjacent base station
Return the confirmation message supporting transfer；
Transceiver module 1203, mails to the information of core net for receiving described adjacent base station and sends to core
Net, and/or, send information to described adjacent base station.
In enforcement, transceiver module can also be further used for initiating the note of core net in described adjacent base station
During Ce, send S1 setup message to described adjacent base station, receive what described adjacent base station sent
Registers kernel network information needed, and send to core net during config update.
In enforcement, it is to belong to the UE under it that transceiver module can also be further used in described adjacent base station
Initiate in signaling procedure, receive described adjacent base station and mail to the upstream message comprising UE mark of core net
And send to core net, and/or, send core net return to described adjacent base station comprises this UE mark
Information.
In enforcement, transceiver module can also be further used for mailing to core net in the described adjacent base station of reception
Information also sends to core net, and/or, when sending information to described adjacent base station, set up described adjacent
Direct channel between base station and core net；And by described direct channel, core is mail in described adjacent base station
The information of heart net sends to core net, and/or, core net is returned described adjacent by described direct channel
The information of base station sends to described adjacent base station.
In enforcement, transceiver module can also be further used for setting up SCTP interface channel, and passes through SCTP
Interface channel is received and sent messages.
In enforcement, inquiry receiver module can also be further used for receiving adjacent base station by X2 interface and send out
The inquiry message whether supporting transfer sent；
Transfer confirms that module can also be further used for determining that the connection that base station and core net keep is S1 interface
Connection.
For convenience of description, each several part of apparatus described above is divided into various module or unit respectively with function
Describe.Certainly, can be the function of each module or unit at same or multiple softwares when implementing the present invention
Or hardware realizes.
When implementing the technical scheme that the embodiment of the present invention provides, can implement as follows.
Figure 13 is remote eNB structural representation, as it can be seen, base station includes:
Processor 1300, for reading the program in memorizer 1320, performs following process:
Determine that base station loses the connection with core net；
Determine and return to the adjacent base station supporting that transfer confirms message；
Transceiver 1310, for sending data under the control of processor 1300, performs following process:
The inquiry message whether supporting transfer is sent to adjacent base station；
Support that the adjacent base station of transfer confirmation message sends and will mail to the information of core net to described return, and
/ or, from the described adjacent base station reception information returning and supporting that transfer confirms message.
In enforcement, initiating in the registration process of core net:
The information received from described adjacent base station is S1 setup message, sends core to described adjacent base station
Heart net registration information needed.
In enforcement, initiate in signaling procedure for UE:
Send the upstream message comprising this UE mark to described adjacent base station, connect from described adjacent base station
Receive the downstream message comprising this UE mark returned.
In enforcement, it is the connection losing S1 interface that base station loses the connection with core net；
Send whether support that the inquiry message of transfer is sent by X2 interface to adjacent base station.
Wherein, in fig. 13, bus architecture can include bus and the bridge of any number of interconnection, specifically
The various electricity of the memorizer that the one or more processors represented by processor 1300 and memorizer 1320 represent
Road links together.Bus architecture can also by such as ancillary equipment, manostat and management circuit etc. it
Other electrical chains various of class are connected together, and these are all to it is known in the art, therefore, the most right
It is described further.EBI provides interface.Transceiver 1310 can be multiple element, i.e. wraps
Include transmitter and transceiver, it is provided that for the unit communicated with other devices various over a transmission medium.Process
Device 1300 is responsible for bus architecture and common process, and memorizer 1320 can store processor 1300
The data used when performing operation.
Figure 14 is relay eNB structural representation, as it can be seen, base station includes:
Processor 1400, for reading the program in memorizer 1420, performs following process:
Determine whether to keep being connected with core net；
Transceiver 1410, for sending data under the control of processor 1400, performs following process:
Receive the inquiry message whether supporting transfer that adjacent base station sends；
Determine keep being connected with core net time, the confirmation returning support transfer to described adjacent base station disappears
Breath；
Receive described adjacent base station mail to the information of core net and send to core net, and/or, to described phase
Adjacent base station sends information.
In enforcement, in the registration process of core net is initiated in described adjacent base station:
Send S1 setup message to described adjacent base station, receive the core net that described adjacent base station sends
Registration information needed, and send to core net during config update.
In enforcement, it is to belong to the UE under it to initiate in signaling procedure in described adjacent base station:
Receive described adjacent base station mail to the upstream message comprising UE mark of core net and send to core
Net, and/or, send, to described adjacent base station, the information comprising this UE mark that core net returns.
In enforcement, receive described adjacent base station and mail to the information of core net and send to core net, and/or,
Information is sent to described adjacent base station, including:
Set up the direct channel between described adjacent base station and core net；
The information that described adjacent base station is mail to core net by described direct channel is sent to core net, and
/ or, by described direct channel, core net is returned the information transmission of described adjacent base station to described the most adjacent
Base station.
In enforcement, described direct channel is SCTP interface channel.
In enforcement, receive the inquiry message whether supporting transfer that adjacent base station sends, be to be connect by X2
Mouth receives；
The connection that base station and core net keep is the connection of S1 interface.
Wherein, in fig. 14, bus architecture can include bus and the bridge of any number of interconnection, specifically
The various electricity of the memorizer that the one or more processors represented by processor 1400 and memorizer 1420 represent
Road links together.Bus architecture can also by such as ancillary equipment, manostat and management circuit etc. it
Other electrical chains various of class are connected together, and these are all to it is known in the art, therefore, the most right
It is described further.EBI provides interface.Transceiver 1410 can be multiple element, i.e. wraps
Include transmitter and transceiver, it is provided that for the unit communicated with other devices various over a transmission medium.Process
Device 1400 is responsible for bus architecture and common process, and memorizer 1420 can store processor 1400
The data used when performing operation.
In sum, in the technical scheme that the embodiment of the present invention provides, the eNB being connected is lost with core net
Inquire whether it can be for the connection of its offer to core net to adjacent eNB.The eNB receiving request judges it
Response message is returned to the eNB of request after the linkage function of core net can be provided for the eNB of request.
Concrete, lose the eNB selection transfer eNB being connected with core net after, can be by its eNB ID
And the TAI information registering of broadcast is to core net.It is chosen as the eNB of transit node to be polymerized and receive
The message to MME registration that adjacent eNB sends over, and by the eNB ID received and TAI information collection
In report core net.
The eNB being chosen as transit node receives letter based on UE mutual between adjacent eNB and MME
Not revising the message content of transmission when making, the node identification only doing mutual signaling is replaced, MME and middle trochanter
Point eNB safeguards that its mark distributed on this interface is right respectively, and transit node eNB divides with adjacent eNB
Do not safeguard that its mark distributed on the interface of two base stations is right.And transit node eNB safeguards that UE is two
The mapping relations of the address pair on individual interface.It is also possible that the eNB being chosen as transit node receives adjacent
ENB send over to the registration message of MME time, directly forward the message to MME, but for
The signaling of the adjacent eNB forwarded, transfer eNB uses in transport layer and oneself connects to the S1 between MME
The transport layer mark that mouth is different, different transport layer marks can be the IP address that distribution is different, it is also possible to
It is to use different port numbers.Transit node receive between adjacent eNB and MME transmission about UE's
During signaling message, transit node is according to according to the transport layer mapping relations direct transparent transmission signaling safeguarded.
Visible, technical scheme that the embodiment of the present invention provides can realize after eNB loses with core net and be connected
Remain as UE resident under it and function of service is provided, terminal and core net are affected less, and realizes letter
Single.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter
Calculation machine program product.Therefore, the present invention can use complete hardware embodiment, complete software implementation or knot
The form of the embodiment in terms of conjunction software and hardware.And, the present invention can use and wherein wrap one or more
Computer-usable storage medium containing computer usable program code (include but not limited to disk memory and
Optical memory etc.) form of the upper computer program implemented.
The present invention is with reference to method, equipment (system) and computer program product according to embodiments of the present invention
The flow chart of product and/or block diagram describe.It should be understood that can by computer program instructions flowchart and
/ or block diagram in each flow process and/or flow process in square frame and flow chart and/or block diagram and/
Or the combination of square frame.These computer program instructions can be provided to general purpose computer, special-purpose computer, embedding
The processor of formula datatron or other programmable data processing device is to produce a machine so that by calculating
The instruction that the processor of machine or other programmable data processing device performs produces for realizing at flow chart one
The device of the function specified in individual flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and computer or the process of other programmable datas can be guided to set
In the standby computer-readable memory worked in a specific way so that be stored in this computer-readable memory
Instruction produce and include the manufacture of command device, this command device realizes in one flow process or multiple of flow chart
The function specified in flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, makes
Sequence of operations step must be performed to produce computer implemented place on computer or other programmable devices
Reason, thus the instruction performed on computer or other programmable devices provides for realizing flow chart one
The step of the function specified in flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.
Claims (20)
1. an information transferring method, it is characterised in that the method includes:
Determine that base station loses the connection with core net；
The inquiry message whether supporting transfer is sent to adjacent base station；
Determine and return to the adjacent base station supporting that transfer confirms message；
Support that the adjacent base station of transfer confirmation message sends and will mail to the information of core net to described return, and
/ or, from the described adjacent base station reception information returning and supporting that transfer confirms message.
2. the method for claim 1, it is characterised in that in the registration process initiating core net
In:
When receiving information from the described adjacent base station returning support transfer confirmation message, this information is S1
Setup message, sends registers kernel network information needed to described adjacent base station.
3. the method for claim 1, it is characterised in that initiate in signaling procedure for UE:
To described return support transfer to confirm the adjacent base station of message sends when mailing to the information of core net,
This information comprises the upstream message of this UE mark, from the described adjacent base returning and supporting that transfer confirms message
During reception information of standing, this information comprises the downstream message of this UE mark.
4. the method as described in claims 1 to 3 is arbitrary, it is characterised in that base station loses and core net
Connection be the connection losing S1 interface；
Send whether support that the inquiry message of transfer is sent by X2 interface to adjacent base station.
5. an information transferring method, it is characterised in that the method includes:
Receive the inquiry message whether supporting transfer that adjacent base station sends；
Determine keep being connected with core net time, the confirmation returning support transfer to described adjacent base station disappears
Breath；
Receive described adjacent base station mail to the information of core net and send to core net, and/or, to described phase
Adjacent base station sends information.
6. method as claimed in claim 5, it is characterised in that initiate core in described adjacent base station
In the registration process of heart net:
Sending information to described adjacent base station, this information is S1setup message, receives described adjacent base
The information of core net is mail at station, and this information is to the information needed for registers kernel network, and in config update process
Middle transmission is to core net.
7. method as claimed in claim 5, it is characterised in that in described adjacent base station for belonging to it
Under UE initiate in signaling procedure:
Receiving described adjacent base station and mail to the information of core net, this information includes up the disappearing of UE mark
Breath, and/or, sending information to described adjacent base station, this information is that this UE that comprises that core net returns marks
The information known.
8. method as claimed in claim 5, it is characterised in that receive described adjacent base station and mail to core
The information of heart net also sends to core net, and/or, send information to described adjacent base station, including:
Set up the direct channel between described adjacent base station and core net；
The information that described adjacent base station is mail to core net by described direct channel is sent to core net, and
/ or, by described direct channel, core net is returned the information transmission of described adjacent base station to described the most adjacent
Base station.
9. method as claimed in claim 8, it is characterised in that described direct channel is that SCTP connects
Passage.
10. the method as described in claim 5 to 9 is arbitrary, it is characterised in that receive adjacent base station and send out
The inquiry message whether supporting transfer sent, is received by X2 interface；
The connection that base station and core net keep is the connection of S1 interface.
11. 1 kinds of information transmission equipments, it is characterised in that including:
The company of mistake determines module, for determining that base station loses the connection with core net；
Transfer inquiry module, for sending the inquiry message whether supporting transfer to adjacent base station；
Transfer determines module, returns to, for determining, the adjacent base station supporting that transfer confirms message；
To described return, signal dispatcher module, for supporting that the adjacent base station of transfer confirmation message sends and will send out
Toward the information of core net, and/or, from the described adjacent base station reception information returning and supporting that transfer confirms message.
12. equipment as claimed in claim 11, it is characterised in that signal dispatcher module is further used for
Initiating in the registration process of core net, receiving S1setup message, to described from described adjacent base station
Adjacent base station sends registers kernel network information needed.
13. equipment as claimed in claim 11, it is characterised in that signal dispatcher module is further used for
Initiating in signaling procedure for UE, sending the upstream message comprising this UE mark to described adjacent base station,
The downstream message comprising this UE mark returned is received from described adjacent base station.
14. equipment as described in claim 11 to 13 is arbitrary, it is characterised in that the company of mistake determines that module is entered
One step is for determining that base station loses the connection with core net and determines that the connection losing S1 interface；
Transfer inquiry module is further used for by X2 interface sends whether support transfer to adjacent base station
Inquiry message.
15. 1 kinds of information transmission equipments, it is characterised in that including:
Inquiry receiver module, for receiving the inquiry message whether supporting transfer that adjacent base station sends；
Transfer confirms module, for determine keep being connected with core net time, to described adjacent base station return
Support the confirmation message of transfer；
Transceiver module, mails to the information of core net for receiving described adjacent base station and sends to core net,
And/or, send information to described adjacent base station.
16. equipment as claimed in claim 15, it is characterised in that transceiver module is further used in institute
State in the registration process that core net is initiated in adjacent base station, send S1setup to described adjacent base station and disappear
Breath, receives the registers kernel network information needed that described adjacent base station sends, and sends out during config update
Deliver to core net.
17. equipment as claimed in claim 15, it is characterised in that transceiver module is further used in institute
Stating adjacent base station is to belong to the UE under it to initiate, in signaling procedure, to receive described adjacent base station and mail to core
Heart net comprise UE mark upstream message and send to core net, and/or, send out to described adjacent base station
Send the information comprising this UE mark that core net returns.
18. equipment as claimed in claim 15, it is characterised in that transceiver module is further used for connecing
Receive described adjacent base station mail to the information of core net and send to core net, and/or, to described adjacent base
During transmission information of standing, set up the direct channel between described adjacent base station and core net；And by described directly
Communication channel described adjacent base station is mail to core net information send to core net, and/or, by described directly
Core net is returned the information of described adjacent base station and sends to described adjacent base station by communication channel.
19. equipment as claimed in claim 18, it is characterised in that transceiver module is further used for setting up
SCTP interface channel, and received and sent messages by SCTP interface channel.
20. equipment as described in claim 15 to 19 is arbitrary, it is characterised in that inquiry receiver module enters
One step is for receiving, by X2 interface, the inquiry message whether supporting transfer that adjacent base station sends；
Transfer confirms that module is further used for determining the connection that the connection that base station and core net keep is S1 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510203170.4A CN106162599A (en) | 2015-04-24 | 2015-04-24 | A kind of information transferring method and equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510203170.4A CN106162599A (en) | 2015-04-24 | 2015-04-24 | A kind of information transferring method and equipment |
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| CN106162599A true CN106162599A (en) | 2016-11-23 |
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| CN201510203170.4A Pending CN106162599A (en) | 2015-04-24 | 2015-04-24 | A kind of information transferring method and equipment |
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Application publication date: 20161123 |