CN106792933A - A kind of link establishing method, base station, gateway and system - Google Patents
A kind of link establishing method, base station, gateway and system Download PDFInfo
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- CN106792933A CN106792933A CN201510828409.7A CN201510828409A CN106792933A CN 106792933 A CN106792933 A CN 106792933A CN 201510828409 A CN201510828409 A CN 201510828409A CN 106792933 A CN106792933 A CN 106792933A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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Abstract
The invention discloses a kind of link establishing method, base station, gateway and system, wherein method includes：Set up with user equipment after being connected, get the source link information of the corresponding source base station of the user equipment；The source link information of the source base station is sent to core net by the up-link, up-link is set up with core net so that the core net is based on the source link information foundation of the source base station and the downlink of the target BS；Data interaction is carried out with core net by the up-link and the downlink.
Description
Technical field
The present invention relates to the Communication Control Technology of field of network management, more particularly to a kind of link establishing method,
Base station, gateway and system.
Background technology
With the development of mobile communication technology, increasing user equipment (UE) is linked into mobile radio communication
In network, set up with core net by base station and be connected.But, in current mobile communication technology, set in user
Standby to be linked into after new base station, new base station is set up in the flow being connected with core-network side, at least needs many
Bar signaling, can complete the foundation operation of communication link between base station and core net.As can be seen that above-mentioned
In technology, because the operation signaling consumption that link establishment is carried out between base station and core net is larger, it is impossible to lifted
The experience of user.
The content of the invention
In view of this, it is an object of the invention to provide a kind of link establishing method, base station, gateway and system,
The above-mentioned problems in the prior art can at least be solved.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of link establishing method is the embodiment of the invention provides, target BS, methods described bag is applied to
Include：
Set up with user equipment after being connected, get the source link letter of the corresponding source base station of the user equipment
Breath；
The source link information of the source base station is sent to core net by the up-link, with core net
Set up up-link so that the source link information that the core net is based on the source base station is set up and the mesh
Mark the downlink of base station；
Data interaction is carried out with core net by the up-link and the downlink.
A kind of link establishing method is the embodiment of the invention provides, source base station is applied to, methods described includes：
The user equipment that RRC is connected is set up with it switch to target BS, or, the user equipment
Set up with target BS and be connected；
The source link information that source link is set up for the user equipment and core-network side is sent to target
Base station.
A kind of link establishing method is the embodiment of the invention provides, gateway is applied to, methods described includes：
The source link information of the source base station that target BS is sent is received, the target base being connected with user equipment
Up-link is set up at station；Source link information based on the source base station, sets up descending with the target BS
Link；
By the up-link, the source link information of the source base station that target BS is sent is received；
Source link information based on the source base station, downlink is set up with the target BS；
Data interaction is carried out with the target BS by the up-link and the downlink.
A kind of base station is the embodiment of the invention provides, including：
Information process unit, the source link information for getting the corresponding source base station of the user equipment；
Link management unit, for the source link information of the source base station to be sent by the up-link
To core net, up-link is set up with core net；By the up-link and the downlink with
Core net carries out data interaction.
A kind of base station is the embodiment of the invention provides, including：
Administrative unit, target BS is switched to for setting up the user equipment that RRC is connected with it, or,
The user equipment is set up with target BS and is connected；
Information transmitting unit, for the source chain by source link is set up for the user equipment and core-network side
Road information is sent to target BS.
A kind of gateway is the embodiment of the invention provides, including：
First link management unit, the source link information for receiving the source base station that target BS is sent,
The target BS being connected with user equipment sets up up-link；
Second link management unit, for the source link information based on the source base station, with the target base
Downlink is set up at station；Carried out with the target BS by the up-link and the downlink
Data interaction.
A kind of link establishment system is the embodiment of the invention provides, including：
Target BS, after being connected with user equipment foundation, gets the corresponding source of the user equipment
The source link information of base station；The source link information of the source base station is sent to net by the up-link
Close, up-link is set up with core net；
Gateway, the descending chain with the target BS is set up for the source link information based on the source base station
Road；Data interaction is carried out with the target BS by the up-link and the downlink.
Link establishing method, base station, gateway and system are the embodiment of the invention provides, can be in user equipment
When being linked into target BS, target BS gets the source link information between source base station and core net, so
It is based on sending source link information to core net afterwards so that core net is based on the source link information and target
Downlink is set up in base station.In this way, during reducing and setting up link, target BS and core net it
Between the signaling to be interacted, the time delay of link is set up between target BS and core net so as to reduce, it is full
The requirement of sufficient business low delay, lifts the experience of user.
Brief description of the drawings
Fig. 1 is embodiment of the present invention link establishing method schematic flow sheet one；
Fig. 2 is embodiment of the present invention link establishing method schematic flow sheet two；
Fig. 3 is embodiment of the present invention data packet group into structural representation；
Fig. 4 is embodiment of the present invention link establishing method schematic flow sheet three；
Fig. 5 is embodiment of the present invention link establishing method schematic flow sheet four；
Fig. 6 is embodiment of the present invention link establishing method schematic flow sheet five；
Fig. 7 is embodiment of the present invention link establishing method schematic flow sheet six；
Fig. 8 is embodiment of the present invention link establishing method schematic flow sheet seven；
Fig. 9 is embodiment of the present invention base station composition schematic diagram one；
Figure 10 is embodiment of the present invention base station composition schematic diagram two；
Figure 11 is embodiment of the present invention gateway composition schematic diagram；
Figure 12 is that embodiment of the present invention system constitutes structural representation.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further described in more detail.
Embodiment one,
A kind of link establishing method is the embodiment of the invention provides, target BS is applied to, as shown in figure 1,
Including：
Step 101：Set up with user equipment after being connected, get the corresponding source base station of the user equipment
Source link information；
Step 102：The source link information of the source base station is sent to core net by the up-link,
Up-link is set up with core net so that the source link information that the core net is based on the source base station is set up
With the downlink of the target BS；
Step 103：Data interaction is carried out with core net by the up-link and the downlink.
Here, in the present embodiment, the source link letter for getting the corresponding source base station of the user equipment
Breath, including：The source link information of the source base station is got from user equipment side；Or, from source base station
Obtain the source link information of the source base station.
The decision procedure being connected, Ke Yiwei, by determining whether that receiving user sets are set up with user equipment
The RRC connection setup/reconfiguration complete message that preparation is come；Or, Ke Yiwei
The data-message that user equipment is sent is received, it is determined that set up with user equipment being connected.
The scheme that the present embodiment is provided, can at least be applied to two kinds of scenes：
Scene one, UE is changed without the scene of gateway.
Under this scene, there can be following two operating processes：
The first operating process, the source link information of the source base station is at least included：The interconnection of source base station
FidonetFido (IP) address information, port numbers.
Referring to Fig. 2, the first operating process is specially：Target BS is set up with user equipment (UE) and is connected
After connecing, the up-link of target BS and core-network side is set up, send the IP address and net of source base station
Distribute to the port numbers of source base station to gateway in pass；Wherein, the IP address and port numbers of source base station can be
UE or source eNB issues new eNB's after preserving.After gateway is received, automatically by itself and source eNB
Link set up or activate between new eNB at it, CN sides downlink set up, carry out data transmission.
Second operating process, target BS directly in the data for forwarding UE to send, source link is believed
Breath addition is sent to gateway in data, that is,：Receive first upper line number that user equipment is sent
According to bag；In the preset data position of first upstream data bag, the source link of the source base station is added
Information；First upstream data bag of source link information of the source base station will be added with by described up
Link is sent to core net.Wherein, the preset data position of first upstream data bag, Ke Yiwei：
As shown in figure 3, in GTP of first upstream data bag or in the net core of data, the GTP
Data packet head can be the first row 8 data, wherein it is possible to include version number, protocol type,
Extension header sign, sequence number sign, N-PDU numbering signs.
Second operating process, may refer to Fig. 4, specially：User equipment (UE) and target BS
After setting up connection, wherein, target BS can be new evolved base station (eNB)；When data are transmitted,
New eNB in first GTP of upstream data bag of UE (such as Extension Header) or
In GTP packets, the port numbers of source eNB IP address and source eNB are carried to gateway (SGW),
Set up CN sides up-link.Source eNB IP address and port numbers can be after UE or source eNB is preserved
Issue new eNB's.After SGW receives the upstream data, read GTP or GTP packets are obtained
Take source eNB IP address and SGW distributes to the port numbers of source eNB, automatically by its chain with source eNB
Set up between Lu Qi and new eNB or activated.Carry out data transmission.
Scene two, UE changes the scene of gateway.
The source link information of the source base station is at least included：The IP address of source base station, source gateway GW
Distribute to endpoint of a tunnel indications (TEID), the source GW IP address of source base station.
It is described that the source link information of the source base station is sent to core net by the up-link, including：
Receive first upstream data bag that user equipment is sent；In the default of first upstream data bag
In data bit, the source link information of the source base station is added；The source link letter of the source base station will be added with
First upstream data bag of breath is sent to core net by the up-link.
Under this scene, also possess two kinds of operating processes, as shown in figure 5, the first operating process, bag
Include：New eNB receives the RRC connection setup/reconfiguration complete message of UE
Afterwards, transmission source eNB IP address and source GW distribute to the TEID of source eNB, source GW IP address and arrive
New SGW, source eNB and GW IP address and source SGW TEID can be that UE or source eNB is preserved
Issue new eNB's afterwards；Transmission source eNB IP address and source GW TEID message are arrived after new GW receptions
Source GW obtains the CN and carries configuration information, and source GW replys CN and carries configuration information to new GW；
New GW carries configuration information update or activation downlink according to CN；Carry out data transmission.
Second operating process, as shown in fig. 6, including：After new SGW receives the upstream data,
Read GTP or GTP packets acquisition source eNB IP address and source SGW TEID, source SGW IP
Address, transmission source eNB IP address and source GW TEID message obtain the CN and carry configuration to source GW
Information, source GW replys CN and carries configuration information to new GW；New SGW is carried according to CN and configured
Information updating or activation downlink；Carry out downlink data transmission.
It can be seen that, by using such scheme, it becomes possible to when user equipment is linked into target BS, target
Base station gets the source link information between source base station and core net, is then based on sending source link information
To core net so that core net is based on the source link information and sets up downlink with target BS.In this way,
The signaling during setting up link, to be interacted between target BS and core net is reduced, so as to subtract
The time delay that link is set up between target BS and core net is lacked, has met the requirement of business low delay, lifted
The experience of user.
Embodiment two,
A kind of link establishing method is the embodiment of the invention provides, source base station is applied to, as shown in fig. 7,
Methods described includes：
Step 701：The user equipment that RRC is connected is set up with it switch to target BS, or, institute
User equipment is stated to be connected with target BS foundation；
Step 702：The source link information hair of source link will be set up for the user equipment and core-network side
Deliver to target BS.
Include two kinds of scenes in the present embodiment, a kind of scene has already accessed in source base station for user equipment,
Then as user equipment mobile handoff to target BS；Another scene is after user equipment is started shooting
The target BS the to be accessed scene different from the former base station accessed when shutting down.
The source link information of the source base station is at least included：The internet protocol address letter of source base station
Breath, source gateway distribute to the port numbers of source base station.Or, can include：The IP address of source base station,
Source gateway GW distributes to the TEID of source base station, source GW IP address.
By using such scheme, it becomes possible to which, when user equipment is linked into target BS, target BS is obtained
The source link information between source base station and core net is got, is then based on sending source link information to core
Net so that core net is based on the source link information and sets up downlink with target BS.In this way, reducing
During setting up link, the signaling to be interacted between target BS and core net, so as to reduce
The time delay of link is set up between target BS and core net, the requirement of business low delay is met, user is lifted
Experience.
Embodiment three,
A kind of link establishing method is the embodiment of the invention provides, gateway is applied to, as shown in figure 8, institute
The method of stating includes：
Step 801：The source link information of the source base station that target BS is sent is received, is connected with user equipment
The target BS for connecing sets up up-link；Source link information based on the source base station, with the target base
Downlink is set up at station；
Step 802：Line number is entered with the target BS by the up-link and the downlink
According to interaction.
Here, in the present embodiment, the source link information for getting source base station, including：Set from user
Standby side gets the source link information of the source base station；Or, receive the source base that source base station is sent
The source link information stood.
The decision procedure being connected, Ke Yiwei, by determining whether that receiving user sets are set up with user equipment
The RRC connection setup/reconfiguration complete message that preparation is come；Or, Ke Yiwei
The data-message that user equipment is sent is received, it is determined that set up with user equipment being connected.
The scheme that the present embodiment is provided, can at least be applied to two kinds of scenes：
Scene one, UE is changed without the scene of gateway.
Under this scene, there can be following two operating processes：
The first operating process, the source link information of the source base station is at least included：The interconnection of source base station
FidonetFido (IP) address information, port numbers.
Referring to Fig. 2, the first operating process is specially：Target BS is set up with user equipment (UE) and is connected
After connecing, the IP address and gateway for sending source base station distribute to the port numbers of source base station to gateway, set up
The up-link of target BS and core-network side；Wherein, the IP address and port numbers of source base station can be
UE or source eNB issues new eNB's after preserving.After gateway is received, automatically by itself and source eNB
Link set up or activate between new eNB at it, CN sides downlink set up, carry out data transmission.
Second operating process, target BS directly in the data for forwarding UE to send, source link is believed
Breath addition is sent to gateway in data, that is,：Receive first upper line number that user equipment is sent
According to bag；In the preset data position of first upstream data bag, the source link of the source base station is added
Information；First upstream data bag of source link information of the source base station will be added with by described up
Link is sent to core net.Wherein, the preset data position of first upstream data bag, Ke Yiwei：
As shown in figure 3, in GTP of first upstream data bag or in GTP packets.
Second operating process, may refer to Fig. 4, specially：User equipment (UE) and target BS
After setting up connection, wherein, target BS can be new evolved base station (eNB)；When data are transmitted,
New eNB in first GTP of upstream data bag of UE (such as Extension Header) or
In GTP packets, the port numbers of source eNB IP address and source eNB are carried to gateway (SGW),
Set up CN sides up-link.Source eNB IP address and port numbers can be after UE or source eNB is preserved
Issue new eNB's.After SGW receives the upstream data, read GTP or GTP packets are obtained
Take source eNB IP address and SGW distributes to the port numbers of source eNB, automatically by its chain with source eNB
Set up between Lu Qi and new eNB or activated.Carry out data transmission.
Scene two, UE changes the scene of gateway.
The source link information of the source base station is at least included：The IP address of source base station, source gateway GW
Distribute to TEID, the source GW IP address of source base station.
It is described that the source link information of the source base station is sent to core net by the up-link, including：
Receive first upstream data bag that user equipment is sent；In the default of first upstream data bag
In data bit, the source link information of the source base station is added；The source link letter of the source base station will be added with
First upstream data bag of breath is sent to core net by the up-link.
The source link information based on the source base station, downlink is set up with the target BS, bag
Include：
The TEID message of IP address and source base station based on source base station, gets source gateway and holds from source base station
The configuration information of load；
Based on the configuration information that the source gateway is carried, downlink is set up with the target BS；
Under this scene, also possess two kinds of operating processes, as shown in figure 5, the first operating process, bag
Include：New eNB receives the RRC connection setup/reconfiguration complete message of UE
Afterwards, transmission source eNB IP address and source GW distribute to the TEID of source eNB, source GW IP address and arrive
New SGW, source eNB and GW IP address and source SGW TEID can be that UE or source eNB is preserved
Issue new eNB's afterwards；Transmission source eNB IP address and source GW TEID message are arrived after new GW receptions
Source GW obtains the CN and carries configuration information, and source GW replys CN and carries configuration information to new GW；
New GW carries configuration information update or activation downlink according to CN；Carry out data transmission.
Second operating process, as shown in fig. 6, including：After new SGW receives the upstream data,
Read GTP or GTP packets acquisition source eNB IP address and source SGW TEID, source SGW IP
Address, transmission source eNB IP address and source GW TEID message obtain the CN and carry configuration to source GW
Information, source GW replys CN and carries configuration information to new GW；New SGW is carried according to CN and configured
Information updating or activation downlink；Carry out downlink data transmission.
It can be seen that, by using such scheme, it becomes possible to when user equipment is linked into target BS, target
Base station gets the source link information between source base station and core net, is then based on sending source link information
To core net so that core net is based on the source link information and sets up downlink with target BS.In this way,
The signaling during setting up link, to be interacted between target BS and core net is reduced, so as to subtract
The time delay that link is set up between target BS and core net is lacked, has met the requirement of business low delay, lifted
The experience of user.
Example IV,
A kind of base station is the embodiment of the invention provides, as shown in figure 9, including：
Information process unit 91, the source link letter for getting the corresponding source base station of the user equipment
Breath；
Link management unit 92, for the source link information of the source base station to be sent to core net, with
Core net sets up up-link；Line number is entered with core net by the up-link and the downlink
According to interaction.
Here, in the present embodiment, the source link letter for getting the corresponding source base station of the user equipment
Breath, including：The source link information of the source base station is got from user equipment side；Or, receive source
The source link information of the source base station that base station is sent.
The decision procedure being connected, Ke Yiwei, by determining whether that receiving user sets are set up with user equipment
The RRC connection setup/reconfiguration complete message that preparation is come；Or, Ke Yiwei
The data-message that user equipment is sent is received, it is determined that set up with user equipment being connected.
The scheme that the present embodiment is provided, can at least be applied to two kinds of scenes：
Scene one, UE is changed without the scene of gateway.
Under this scene, there can be following two operating processes：
The first operating process, the source link information of the source base station is at least included：The interconnection of source base station
FidonetFido (IP) address information, source gateway distribute to the port numbers of source base station.
The first operating process is specially：Target BS is set up after being connected with user equipment (UE),
The up-link of target BS and core-network side is set up, the IP address and gateway for sending source base station are distributed to
The port numbers of source base station are to gateway；Wherein, the IP address and port numbers of source base station can be UE or source
ENB issues new eNB's after preserving.After gateway is received, it is existed with the link of source eNB automatically
It sets up or activates between new eNB, and CN sides downlink is set up, and carries out data transmission.
Second operating process, specially：User equipment (UE) is set up after being connected with target BS,
Wherein, target BS can be new evolved base station (eNB)；When data are transmitted, new eNB exists
In first GTP of upstream data bag of UE (such as Extension Header) or in GTP numbers
According to the port numbers of source eNB IP address and source eNB in bag, are carried to gateway (SGW), CN is set up
Side up-link.Source eNB IP address and port numbers can issue new eNB after UE or source eNB is preserved
's.After SGW receives the upstream data, GTP or GTP packets acquisition source eNB IP is read
Address and SGW distribute to the port numbers of source eNB, automatically the link by it with source eNB its with it is new
Set up between eNB or activated.Carry out data transmission.
Scene two, UE changes the scene of gateway.
The source link information of the source base station is at least included：The IP address of source base station, source gateway GW
Distribute to TEID, the source GW IP address of source base station.
The link management unit, for receiving first upstream data bag that user equipment is sent；
In the preset data position of first upstream data bag, the source link information of the source base station is added；Will
First upstream data bag for being added with the source link information of the source base station is sent out by the up-link
Deliver to core net.
Under this scene, also possess two kinds of operating processes, the first operating process, including：New eNB
After receiving the RRC connection setup/reconfiguration complete message of UE, transmission source
ENB IP address and source GW distribute to the TEID of source eNB, source GW IP address to new SGW, source
ENB and GW IP address and source SGW TEID can issue new eNB after UE or source eNB is preserved
's；Transmission source eNB IP address and source GW TEID message are obtained to source GW and are somebody's turn to do after new GW receptions
CN carries configuration information, and source GW replys CN and carries configuration information to new GW；New GW is according to CN
Carry configuration information update or activation downlink；Carry out data transmission.
Second operating process, including：After new SGW receives the upstream data, GTP heads are read
Or GTP packets obtain source eNB IP address and source SGW TEID, source SGW IP address, hair
Send source eNB IP address and source GW TEID message to obtain the CN to source GW and carry configuration information, source
GW replys CN and carries configuration information to new GW；New SGW carries configuration information update according to CN
Or activation downlink；Carry out downlink data transmission.
It can be seen that, by using such scheme, it becomes possible to when user equipment is linked into target BS, target
Base station gets the source link information between source base station and core net, is then based on sending source link information
To core net so that core net is based on the source link information and sets up downlink with target BS.In this way,
The signaling during setting up link, to be interacted between target BS and core net is reduced, so as to subtract
The time delay that link is set up between target BS and core net is lacked, has met the requirement of business low delay, lifted
The experience of user.
Embodiment five,
A kind of base station is the embodiment of the invention provides, as shown in Figure 10, including：
Administrative unit 1001, target BS is switched to for setting up the user equipment that RRC is connected with it,
Or, the user equipment is set up with target BS and is connected；
Information transmitting unit 1002, for source link will to be set up for the user equipment and core-network side
Source link information send to target BS.
The source link information of the source base station is at least included：The internet protocol address letter of source base station
Breath, port numbers.Or, can include：The IP address of source base station, source gateway GW distribute to source
The TEID of base station, source GW IP address.
By using such scheme, it becomes possible to which, when user equipment is linked into target BS, target BS is obtained
The source link information between source base station and core net is got, is then based on sending source link information to core
Net so that core net is based on the source link information and sets up downlink with target BS.In this way, reducing
During setting up link, the signaling to be interacted between target BS and core net, so as to reduce
The time delay of link is set up between target BS and core net, the requirement of business low delay is met, user is lifted
Experience.
Embodiment six,
A kind of gateway is the embodiment of the invention provides, as shown in figure 11, including：
First link management unit 1101, the source link for receiving the source base station that target BS is sent
Information, the target BS being connected with user equipment sets up up-link；
Second link management unit 1102, it is and described for the source link information based on the source base station
Target BS sets up downlink；By the up-link and the downlink and the target base
Station carries out data interaction.
Here, in the present embodiment, the source link letter for getting the corresponding source base station of the user equipment
Breath, including：The source link information of the source base station is got from user equipment side；Or, receive source
The source link information of the source base station that base station is sent.
The decision procedure being connected, Ke Yiwei, by determining whether that receiving user sets are set up with user equipment
The RRC connection setup/reconfiguration complete message that preparation is come；Or, Ke Yiwei
The data-message that user equipment is sent is received, it is determined that set up with user equipment being connected.
The scheme that the present embodiment is provided, can at least be applied to two kinds of scenes：
Scene one, UE is changed without the scene of gateway.
Under this scene, there can be following two operating processes：
The first operating process, the source link information of the source base station is at least included：The interconnection of source base station
FidonetFido (IP) address information, port numbers.
The first operating process is specially：Target BS is set up after being connected with user equipment (UE),
The up-link of target BS and core-network side is set up, the IP address and gateway for sending source base station are distributed to
The port numbers of source base station are to gateway；Wherein, the IP address and port numbers of source base station can be UE or source
ENB issues new eNB's after preserving.After gateway is received, it is existed with the link of source eNB automatically
It sets up or activates between new eNB, and CN sides downlink is set up, and carries out data transmission.
Second operating process, target BS directly in the data for forwarding UE to send, source link is believed
Breath addition is sent to gateway in data, that is,：Receive first upper line number that user equipment is sent
According to bag；In the preset data position of first upstream data bag, the source link of the source base station is added
Information；First upstream data bag of source link information of the source base station will be added with by described up
Link is sent to core net.Wherein, the preset data position of first upstream data bag, Ke Yiwei：
In GTP of first upstream data bag or in GTP packets.
Second operating process, may refer to Fig. 4, specially：User equipment (UE) and target BS
After setting up connection, wherein, target BS can be new evolved base station (eNB)；When data are transmitted,
New eNB in first GTP of upstream data bag of UE (such as Extension Header) or
In GTP packets, the port numbers of source eNB IP address and source eNB are carried to gateway, set up CN
Side up-link.Source eNB IP address and port numbers can issue new eNB after UE or source eNB is preserved
's.After SGW receives the upstream data, GTP or GTP packets acquisition source eNB IP is read
Address and SGW distribute to the port numbers of source eNB, automatically the link by it with source eNB its with it is new
Set up between eNB or activated.Carry out data transmission.
Scene two, UE changes the scene of gateway.
The source link information of the source base station is at least included：The IP address of source base station, source gateway GW
Distribute to TEID, the source GW IP address of source base station.
It is described that the source link information of the source base station is sent to core net by the up-link, including：
Receive first upstream data bag that user equipment is sent；In the default of first upstream data bag
In data bit, the source link information of the source base station is added；The source link letter of the source base station will be added with
First upstream data bag of breath is sent to core net by the up-link.
Second link management unit, for the IP address information based on the source base station and described
Source gateway distributes to the port numbers of source base station, by the source link of the source base station between target BS
Set up or activate.
Under this scene, also possess two kinds of operating processes, the first operating process, including：New eNB
After receiving the RRC connection setup/reconfiguration complete message of UE, transmission source
ENB IP address and source GW distribute to the TEID of source eNB, source GW IP address to new SGW, source
ENB and GW IP address and source SGW TEID can issue new eNB after UE or source eNB is preserved
's；Transmission source eNB IP address and source GW TEID message are obtained to source GW and are somebody's turn to do after new GW receptions
CN carries configuration information, and source GW replys CN and carries configuration information to new GW；New GW is according to CN
Carry configuration information update or activation downlink；Carry out data transmission.
Second operating process, including：After new SGW receives the upstream data, GTP heads are read
Or GTP packets obtain source eNB IP address and source SGW TEID, source SGW IP address, hair
Send source eNB IP address and source GW TEID message to obtain the CN to source GW and carry configuration information, source
GW replys CN and carries configuration information to new GW；New SGW carries configuration information update according to CN
Or activation downlink；Carry out downlink data transmission.
It can be seen that, by using such scheme, it becomes possible to when user equipment is linked into target BS, target
Base station gets the source link information between source base station and core net, is then based on sending source link information
To core net so that core net is based on the source link information and sets up downlink with target BS.In this way,
The signaling during setting up link, to be interacted between target BS and core net is reduced, so as to subtract
The time delay that link is set up between target BS and core net is lacked, has met the requirement of business low delay, lifted
The experience of user.
Embodiment seven,
A kind of link establishment system is present embodiments provided, as shown in figure 12, including：
Target BS 1201, after being connected with user equipment foundation, gets the user equipment pair
The source link information of the source base station answered；The source link information of the source base station is sent out by the up-link
Gateway is delivered to, up-link is set up with core net；
Gateway 1202, for the source link information based on the source base station set up with the target BS
Line link；Data interaction is carried out with the target BS by the up-link and the downlink.
The function of target BS described in the present embodiment and gateway and above-described embodiment three and embodiment
Five is identical, does not repeat here.
If integrated module described in the embodiment of the present invention using realize in the form of software function module and as
Independent production marketing or when using, it is also possible to which storage is in a computer read/write memory medium.Base
In such understanding, the technical scheme of the embodiment of the present invention substantially contributes to prior art in other words
Part can be embodied in the form of software product, the computer software product storage one storage
In medium, including some instructions are used to so that computer equipment (can be personal computer, base station,
Or the network equipment etc.) perform all or part of each embodiment methods described of the invention.And it is foregoing
Storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various
Can be with the medium of store program codes.So, the embodiment of the present invention be not restricted to any specific hardware and
Software is combined.
The above, only presently preferred embodiments of the present invention is not intended to limit protection model of the invention
Enclose.
Claims (23)
1. a kind of link establishing method, is applied to target BS, it is characterised in that methods described includes：
Set up with user equipment after being connected, get the source link letter of the corresponding source base station of the user equipment
Breath；
The source link information of the source base station is sent to core net by the up-link, with core net
Set up up-link so that the source link information that the core net is based on the source base station is set up and the mesh
Mark the downlink of base station；
Data interaction is carried out with core net by the up-link and the downlink.
2. method according to claim 1, it is characterised in that described to get the user and set
The source link information of standby corresponding source base station, including：
The source link information of the source base station is got from user equipment side；
Or,
The source link information of the source base station is obtained from source base station.
3. method according to claim 1, it is characterised in that the source link letter of the source base station
Breath is at least included：The internet protocol address information of source base station, source gateway distribute to source base station
Port numbers.
4. method according to claim 1, it is characterised in that the source link letter of the source base station
Breath is at least included：The IP address of source base station, source gateway distribute to the port numbers of source base station, source gateway
IP address.
5. the method according to claim 3 or 4, it is characterised in that described by the source base station
Source link information sent to core net by the up-link, including：
Receive first upstream data bag that user equipment is sent；In first upstream data bag
In data packet head or preset data position, the source link information of the source base station is added；The source will be added with
First upstream data bag of the source link information of base station is sent to core net by the up-link.
6. a kind of link establishing method, is applied to source base station, it is characterised in that methods described includes：
The user equipment that RRC is connected is set up with it switch to target BS, or, the user equipment
Set up with target BS and be connected；
The source link information that source link is set up for the user equipment and core-network side is sent to target
Base station.
7. a kind of link establishing method, is applied to gateway, it is characterised in that methods described includes：
The source link information of the source base station that target BS is sent is received, the target base being connected with user equipment
Up-link is set up at station；Source link information based on the source base station, sets up descending with the target BS
Link；
Data interaction is carried out with the target BS by the up-link and the downlink.
8. method according to claim 7, it is characterised in that the source link letter of the source base station
Breath is at least included：The internet protocol address information of source base station, source gateway distribute to source base station
Port numbers.
9. method according to claim 7, it is characterised in that the source based on the source base station
Link information, downlink is set up with the target BS, including：
IP address information and the source gateway based on the source base station distribute to the port numbers of source base station,
The source link of the source base station is set up or activated between target BS.
10. method according to claim 7, it is characterised in that the source link letter of the source base station
Breath is at least included：The IP address of source base station, source gateway distribute to the TEID of source base station, source gateway
IP address.
11. methods according to claim 10, it is characterised in that described based on the source base station
Source link information, downlink is set up with the target BS, including：
The TEID message of IP address and source base station based on source base station, gets source gateway and holds from source base station
The configuration information of load；
Based on the configuration information that the source gateway is carried, downlink is set up with the target BS.
A kind of 12. base stations, it is characterised in that including：
Information process unit, the source link information for getting the corresponding source base station of the user equipment；
Link management unit, for the source link information of the source base station to be sent to core net, with core
Net sets up up-link；Data friendship is carried out with core net by the up-link and the downlink
Mutually.
13. base stations according to claim 12, it is characterised in that described information processing unit,
Source link information for getting the source base station from user equipment side；
Or,
Information process unit, the source link information for obtaining the source base station from source base station.
14. base stations according to claim 12, it is characterised in that the source link of the source base station
Information is at least included：The internet protocol address information of source base station, source gateway distribute to source base station
Port numbers.
15. base stations according to claim 12, it is characterised in that the source link of the source base station
Information is at least included：The IP address of source base station, source gateway distribute to the port numbers of source base station, source net
The IP address of pass.
16. base station according to claims 14 or 15, it is characterised in that the link management list
Unit, for receiving first upstream data bag that user equipment is sent；In first upstream data
In data packet head or the preset data position of bag, the source link information of the source base station is added；To add
First upstream data bag for stating the source link information of source base station is sent to core by the up-link
Net.
A kind of 17. base stations, it is characterised in that including：
Administrative unit, target BS is switched to for setting up the user equipment that RRC is connected with it, or,
The user equipment is set up with target BS and is connected；
Information transmitting unit, for the source chain by source link is set up for the user equipment and core-network side
Road information is sent to target BS.
A kind of 18. gateways, it is characterised in that including：
First link management unit, the source link information for receiving the source base station that target BS is sent,
The target BS being connected with user equipment sets up up-link；
Second link management unit, for the source link information based on the source base station, with the target base
Downlink is set up at station；Carried out with the target BS by the up-link and the downlink
Data interaction.
19. gateways according to claim 18, it is characterised in that the source link of the source base station
Information is at least included：The internet protocol address information of source base station, source gateway distribute to source base station
Port numbers.
20. gateways according to claim 19, it is characterised in that second link management unit,
The port numbers of source base station are distributed to for IP address information and the source gateway based on the source base station,
The source link of the source base station is set up or activated between target BS.
21. gateways according to claim 18, it is characterised in that the source link of the source base station
Information is at least included：The IP address of source base station, source gateway distribute to the TEID of source base station, source gateway
IP address.
22. gateways according to claim 21, it is characterised in that second link management unit,
For the IP address based on source base station and the TEID message of source base station, get source gateway from source base station and hold
The configuration information of load；Based on the configuration information that the source gateway is carried, set up descending with the target BS
Link.
A kind of 23. link establishment systems, it is characterised in that including：
Target BS, after being connected with user equipment foundation, gets the corresponding source of the user equipment
The source link information of base station；The source link information of the source base station is sent to net by the up-link
Close, up-link is set up with core net；
Gateway, the descending chain with the target BS is set up for the source link information based on the source base station
Road；Data interaction is carried out with the target BS by the up-link and the downlink.
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|---|---|---|---|
| CN201510828409.7A CN106792933B (en) | 2015-11-25 | 2015-11-25 | Link establishment method, base station, gateway and system |
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