CN103826276B - Data transmission method, base station, management control center and system - Google Patents
Data transmission method, base station, management control center and system Download PDFInfo
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- CN103826276B CN103826276B CN201210469361.1A CN201210469361A CN103826276B CN 103826276 B CN103826276 B CN 103826276B CN 201210469361 A CN201210469361 A CN 201210469361A CN 103826276 B CN103826276 B CN 103826276B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 85
- 230000004044 response Effects 0.000 claims abstract description 50
- 230000001413 cellular effect Effects 0.000 claims description 13
- 238000000151 deposition Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 description 8
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Abstract
The invention provides a data transmission method, a base station, a management control center and a system. The data transmission method includes the following steps that: when a source terminal transmits a data packet to a destination terminal, a source base station can inquire a first local forwarding table according to a destination IP address carried in the data packet and judge whether a table item containing an IP address exists in the first local forwarding table, if the table item does not exist, the source base station transmits a first address search request message to a MCC, such that the MCC can return a first response message containing the transmission modes of the source base station and a destination base station, and the ECGI of the destination base station to the source base station according to the first address search request message, and therefore, the source base station can transmit the data packet to the destination base station according to the transmission modes of the source base station and the destination base station, and the ECGI of the destination base station in the first response message, and as a result, the destination base station can transmit the data packet to the terminal. By means of the data transmission method, the base station, the management control center and the system of the invention, data device-to-device transmission mode between the source base station and the destination base station can be realized, and the pressure of a core network can be reduced, and data transmission efficiency can be improved.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of data transmission method, base station, management control center and it is
System.
Background technology
With the development of communication technology, the business demand of user is continuously increased, based on centralized in existing communication system
Data transmission mechanism, the upstream data of all terminals will be transferred to gateway by base station(Serving Gateway, letter
Claim S-GW), then public data network (Public DataNetwork, PDN) gateway is transferred to by S-GW, last access service platform,
Data back is transferred to by business platform for the own base station of data receiving terminal, receiving terminal is sent to by base station, therefore,
Existing data transfer mode needs whole process to shuttle between wireless access network and core net.
But, with the increase of customer service demand, the movement for becoming emerging is shared based on the Local resource of " social circle "
Communication pattern, local data flow proportion in total traffic are more and more.Nonetheless, in existing data transfer mould
Under formula, just two terminals at last under same base station are in communication with each other, and source terminal will also pass through base to the data that purpose terminal sends
Station is transferred to S-GW, then is sent to PDN Gateway by S-GW, and then access service platform, passes data back by business platform
Base station is transported to, purpose terminal is sent the data to by base station, therefore, available data transmission mode causes the disposal ability of core net
Immense pressure is faced, so as to cause the inefficiency of data transfer.
The content of the invention
It is an object of the invention to provide a kind of data transmission method, base station, management control center and system, existing to solve
Have data-transmission mode so that the disposal ability of core net face immense pressure, cause data transfer inefficiency problem.
The first aspect of the invention is to provide a kind of data transmission method, including:
Source base station receives the packet that source terminal is sent to purpose terminal, and the packet carries purpose IP address;
The source base station inquires about local forward table according to the purpose IP address, if there is no bag in the local forward table
The list item of the purpose IP address is included, then the source base station sends the first addressing request messages to management control center MCC, described
First addressing request messages include the evolution wireless access system cellular global identity ECGI of the source base station and purpose IP ground
Location, so that MCC obtains the ECGI ECGI and the mesh according to the source base station of purpose base station according to the purpose IP address
The ECGI of base station determine the sending method of the source base station and the purpose base station;
The source base station receives the first response message that the MCC is returned according to first addressing request messages, described
First response message includes sending method of the source base station with the purpose base station, the ECGI of the purpose base station;
The source base station is according to the ECGI of described sender formula and the purpose base station is sent to the purpose base station
Packet, so that the packet is sent to the purpose terminal by the purpose base station.
The second aspect of the invention is to provide a kind of data transmission method, including:
Management control center MCC receives the first addressing request messages that source base station sends, first addressing request messages
It is to send after the source base station receives the packet that source terminal is sent to purpose terminal, first addressing request messages include
The evolution wireless access system cellular global identity ECGI and the purpose IP address of the packet of the source base station;
The MCC obtains the ECGI of purpose base station according to the purpose IP address;
The MCC determines the source base station with the mesh with the ECGI of the purpose base station according to the ECGI of the source base station
Base station sending method;
The first response message for carrying the ECGI and described sender formula of the purpose base station is sent to institute by the MCC
Source base station is stated, so that when the source base station determines that described sender formula is built according to the ECGI of the purpose base station when being straight-through transmission
It is vertical to be sent to the purpose base station with the direct tunnel of the purpose base station, by the packet by the direct tunnel.
The third aspect of the invention is to provide a kind of base station, including:
First receiver module, for receiving the packet that source terminal is sent to purpose terminal, the packet carries purpose
IP address;
First sending module, for inquiring about local forward table according to the purpose IP address, if in the local forward table
There is no the list item including the purpose IP address, then the first addressing request messages are sent to management control center MCC, described the
One addressing request messages include the evolution wireless access system cellular global identity ECGI and purpose IP address of the source base station,
So that MCC obtains the ECGI ECGI and the purpose according to the source base station of purpose base station according to the purpose IP address
The ECGI of base station determines the sending method of the source base station and the purpose base station;
Second receiver module, disappears according to the first response that first addressing request messages are returned for receiving the MCC
Breath, first response message include sending method of the source base station with the purpose base station, the ECGI of the purpose base station;
Second sending module, for according to the described sender formula in the first addressing request messages and the purpose base station
ECGI sends the packet to the purpose base station, so that the packet is sent to the purpose end by the purpose base station
End.
The fourth aspect of the invention is to provide a kind of management control center, including:
Receiver module, for receiving the first addressing request messages of source base station transmission, first addressing request messages are
What the source base station was sent after receiving the packet that source terminal is sent to purpose terminal, first addressing request messages include institute
State the evolution wireless access system cellular global identity ECGI and the purpose IP address of the packet of source base station;
Address acquisition module, for the ECGI of purpose base station is obtained according to the purpose IP address;
Sending method determining module, described in being determined according to the ECGI of the source base station and ECGI of the purpose base station
The sending method of source base station and the purpose base station;
Sending module, the first response message for ECGI and described sender formula by the purpose base station is carried are sent out
The source base station is given, so that when the source base station determines that described sender formula is straight-through transmission according to the purpose base station
ECGI is set up with the direct tunnel of the purpose base station, by the packet and is sent out to the purpose base station by the direct tunnel
Send.
The fifth aspect of the invention is to provide a kind of data transmission system, including base station as above and management control
Center.
Using the beneficial effect of the invention described above technical scheme it is:When source terminal sends packet to purpose terminal, source
Base station can be inquired about the first local forward table according to the purpose IP address carried in packet and judge in the first local forward table
With the presence or absence of the list item including purpose IP address, if not existing, source base station then sends the first addressing request messages to MCC, so that
MCC returns to sending method, the purpose base station for including source base station and purpose base station according to the first addressing request messages to source base station
ECGI the first response message so that source base station can be according to the sending method in the first response message and purpose base station
ECGI to purpose base station send packet, and then cause purpose base station the packet is sent to into purpose terminal.So as to reality
Existing data direct mode operation between source base station and purpose base station, alleviates the pressure of core net, improves data transmission efficiency.
Description of the drawings
Fig. 1 is a kind of schematic flow sheet of data transmission method that the embodiment of the present invention one is provided;
Fig. 2 is a kind of schematic flow sheet of data transmission method that the embodiment of the present invention two is provided;
Fig. 3 is a kind of signaling process schematic diagram of data transmission method that the embodiment of the present invention three is provided;
Fig. 4 is a kind of structural representation of base station that the embodiment of the present invention four is provided;
Fig. 5 is a kind of structural representation of management control center that the embodiment of the present invention five is provided;
Fig. 6 is a kind of structural representation of data transmission system that the embodiment of the present invention six is provided.
Specific embodiment
Fig. 1 is a kind of schematic flow sheet of data transmission method that the embodiment of the present invention one is provided, as shown in figure 1, described
Data transmission method may include steps of:
Step 101, source base station receive the packet that source terminal is sent to purpose terminal, and the packet carries purpose IP ground
Location;
Step 102, the source base station inquire about local forward table according to the purpose IP address, if in the local forward table
There is no the list item including the purpose IP address, then the source base station sends the first addressing request to management control center MCC
Message;
Step 103, the source base station receive the MCC and are disappeared according to the first response that first addressing request messages are returned
Breath;
Step 104, the source base station is according to the sending method carried in the first response message and the purpose base station
ECGI sends the packet to the purpose base station, so that the packet is sent to the purpose end by the purpose base station
End.
In embodiments of the present invention, when source terminal sends packet to purpose terminal, packet is transferred to source first
Base station.For base station, if packet is received from the link port of connection terminal, can determine certainly as source base station,
And purpose IP address are carried in packet, otherwise can determine itself to be purpose base station.In the present embodiment, source base station is received
To after packet, the purpose IP address carried in packet are extracted, source is stored in advance according to purpose IP address inquiry then
The local forward table of base station, in the present embodiment, the local forward table for being stored in source base station is properly termed as the first local forward table, source
A plurality of list item can be included in first local forward table of base station, wherein, every list item can include IP address and IP address again
Corresponding sending method, can also include the evolution wireless access system cellular global identity of base station corresponding with IP address(E-
UTRAN Cell Global Identity, abbreviation ECGI), wherein, sending method corresponding with IP address is source base station and IP
Sending method between the corresponding base station in address.Source base station is inquired about the first local forward table according to purpose IP address and judges first
With the presence or absence of the list item for including purpose IP address in local forward table, if the IP in a certain bar list item of the first local forward table
Address is identical with the purpose IP address extracted from packet, then existing in can determine the first local forward table includes purpose
The list item of IP address, now, source base station continues to search for sending method corresponding with purpose IP address in the list item, if the table
The corresponding sending method of Xiang Zhongyu purpose IP address is straight-through transmission, then source base station by packet by corresponding with purpose IP address
Source base station and purpose base station between direct tunnel to purpose base station send so that purpose base station delivers a packet to purpose
Terminal.
In the present embodiment, when source terminal sends packet to purpose terminal, source base station can be according to purpose IP address
Whether there is the list item for including purpose IP address in judging the first local forward table, if each table of the first local forward table
IP address in is differed with purpose IP address, then do not exist in can determine the first local forward table including purpose IP ground
The list item of location, now, source base station is then to management control center(Management Control Center, referred to as:MCC)Send
First addressing request messages, first addressing request messages include the ECGI and purpose IP address of source base station, so that MCC roots
The ECGI of purpose base station is obtained according to purpose IP address and the ECGI of the ECGI according to source base station and purpose base station determine source base station with
The sending method of purpose base station.In the present embodiment, MCC inquires about default according to the ECGI and the ECGI of purpose base station of source base station
Straight-through region division table, can include multiple straight-through regions in the straight-through region division table, and each straight-through region again may be used
With the ECGI including at least two base stations, if Query Result is belonged to always with the ECGI of purpose base station for the ECGI of source base station
Logical region, then MCC can determine that the sending method of source base station and purpose base station is straight-through transmission;Otherwise can determine source base station with
The sending method of purpose base station is non-straight-through transmission.In embodiments of the present invention, the straight-through region is referred to according to certain rule
Then base station is grouped, each group includes at least two base stations, different base stations is identified with ECGI, and each group is straight for one
Logical region, for example, can be to be stored in straight-through region division table using the ECGI of adjacent two or more base stations as a group
In one list item, then with the list item in two or more ECGI corresponding to two or more base stations be a straight-through region.
Source base station receives the first response message that MCC is returned according to the first addressing request messages, first response message
The ECGI of sending method, purpose base station including source base station with purpose base station;And source base station is according to described sender formula and described
The ECGI of purpose base station sends packet to purpose base station.In the present embodiment, if MCC return the first response message in source
The sending method of base station and purpose base station is straight-through transmission, then source base station according to the ECGI of purpose base station set up with purpose base station it
Between direct tunnel, and by packet by direct tunnel to purpose base station send;If in the first response message that MCC is returned
The sending method of source base station and purpose base station is non-straight-through transmission, source base station then using traditional approach by packet by wirelessly connecing
Network and core net is forwarded to purpose base station, so that purpose base station delivers a packet to purpose terminal.
In the present embodiment, when source terminal sends packet to purpose terminal, source base station can be according to taking in packet
The purpose IP address of band are inquired about the first local forward table and be whether there is in judging the first local forward table includes purpose IP address
List item, if not existing, source base station then to MCC send the first addressing request messages so that MCC is according to the first addressing request messages
And returning to source base station includes first response message of sending method of the source base station with purpose base station, the ECGI of purpose base station, from
And allow source base station to send number to purpose base station according to the ECGI of the sending method in the first response message and purpose base station
According to bag, and then cause purpose base station that the packet is sent to purpose terminal.So as to realize between source base station and purpose base station
Data direct mode operation, alleviate the pressure of core net, improve data transmission efficiency.
Further, in the above-described embodiments, whether source base station is judged in the first local forward table according to purpose IP address
Presence includes the list item of purpose IP address, if the IP address in a certain bar list item of the first local forward table and from packet
The purpose IP address for extracting are identical, then there is the list item for including purpose IP address in can determine the first local forward table, this
When, source base station continues to search for sending method corresponding with purpose IP address in the list item, if in the list item with purpose IP ground
The corresponding sending method in location is straight-through transmission, then by the packet to source base station corresponding with the purpose IP address and purpose
Direct tunnel between base station sends, so that the packet is sent to the purpose terminal by the purpose base station.So as to reality
Existing data direct mode operation between source base station and purpose base station, alleviates the pressure of core net, improves data transmission efficiency.If
In the list item, sending method corresponding with purpose IP address is non-straight-through transmission, then source base station adopts traditional approach by packet
Forwarded to purpose base station by wireless access network and core net, for example source base station first by packet to S- corresponding with source base station
GW sends, and packet is sent by the S-GW of source base station again to public data network gateway (PDN Gateway, abbreviation P-GW), P-GW
Then packet is sent to purpose S-GW corresponding with purpose IP address, finally from purpose S-GW by packet to purpose IP ground
The corresponding purpose base station in location sends, so that purpose base station delivers a packet to purpose terminal.
Further, after source base station receives the first response message that MCC is returned according to the first addressing request messages, also
Can include:Source base station is using purpose IP address and source base station and the sending method of purpose base station as corresponding with purpose IP address
Sending method is stored in a list item of the first local forward table, can also be by the ECGI of base station corresponding with purpose IP address
It is stored in a list item corresponding with purpose IP address, therefore, when source terminal sends the follow-up data bag of same data flow
Just purpose IP address and corresponding sending method can be found by the first local forward table, in order to the quick of packet
Transmission, so as to improve data transmission efficiency.Also, when source terminal is carried out with the other purposes terminal under same purpose base station again
During communication, due to the purpose IP address that carry in packet and differ, therefore, source base station receives MCC according to the first addressing
After the first response message that request message is returned, can determine whether deposit in the first local forward table according to the ECGI of purpose base station
In list item corresponding with the ECGI of purpose base station, if it is present having existed between explanation source base station and purpose base station straight-through
Tunnel, then source base station have built up between source base station and purpose base station straight can be determined according to the ECGI of purpose base station in list item
Logical tunnel, and packet is sent to purpose base station by direct tunnel, otherwise source base station can be according to the ECGI of purpose base station
Set up and the direct tunnel between purpose base station.
Further, source base station sends packet to purpose base station according to the ECGI of sending method and purpose base station, specifically
Including:If the sending method of source base station and purpose base station is non-straight-through transmission, packet is then led to by source base station using traditional approach
Cross wireless access network and core net to forward to purpose base station, i.e., packet is sent out by source base station first to S-GW corresponding with source base station
Send, the S-GW of source base station again by packet to P-GW, then sent out by P-GW to purpose S-GW corresponding with purpose IP address by packet
Send, finally packet is sent to purpose base station corresponding with purpose IP address from purpose S-GW, so that purpose base station will
Packet is sent to purpose terminal;If source base station is straight-through transmission with the sending method of purpose base station, source base station is according to purpose
The ECGI of base station determined in local forward table with the presence or absence of list item corresponding with the ECGI of the purpose base station, if it is present
Illustrate between source base station and purpose base station, there is direct tunnel, then source base station can be according to the ECGI of purpose base station in list item
Determine the direct tunnel having built up between source base station and purpose base station, and packet is sent out to purpose base station by direct tunnel
Send, otherwise source base station can be set up according to the ECGI of purpose base station and the direct tunnel between purpose base station, then by packet
Sent to purpose base station by direct tunnel.
Fig. 2 is a kind of schematic flow sheet of data transmission method that the embodiment of the present invention two is provided, as shown in Fig. 2 described
Data transmission method may include steps of:
Step 201, MCC receive the first addressing request messages that source base station sends, and first addressing request messages are institutes
State what is sent after source base station receives the packet that source terminal is sent to purpose terminal, first addressing request messages include described
The purpose IP address of the ECGI of source base station and the packet;
Step 202, the MCC obtain the ECGI of purpose base station according to the purpose IP address;
Step 203, the MCC determine the source base station according to the ECGI and the ECGI of the purpose base station of the source base station
With the sending method of the purpose base station;
Step 204, the MCC will carry first response message of the ECGI and described sender formula of the purpose base station
The source base station is sent to, so that when the source base station determines described sender formula to lead directly to transmission according to the purpose base station
ECGI set up with the direct tunnel of the purpose base station, by the packet by the direct tunnel to the purpose base station
Send.
In the present embodiment, when source terminal sends packet to purpose terminal, packet is transferred to source base station first,
And purpose IP address are carried in packet, after source base station receives packet, purpose IP carried in packet is extracted
Address, is then stored in advance in the first local forward table of source base station, source base station in the present embodiment according to purpose IP address inquiry
The first local forward table in can include a plurality of list item, wherein, every list item again can be corresponding with IP address including IP address
Sending method, the ECGI of base station corresponding with IP address can also be included.Source base station inquires about first according to purpose IP address
Ground forward table and in judging the first local forward table with the presence or absence of the list item for including purpose IP address, if the first local forward table
Each list item in IP address differ with purpose IP address, then there is no bag in can determine the first local forward table
The list item of purpose IP address is included, now, source base station then sends the first addressing request messages to MCC, and first addressing request disappears
Breath includes the ECGI and purpose IP address of source base station, and first addressing request messages are that source base station receives source terminal to mesh
The packet that sends of terminal after send.After MCC receives the first addressing request messages of source base station transmission, can basis
Purpose IP address and core network element such as Mobility Management Entity(Mobile Management Entity, hereinafter referred to as:MME)、
Or S-GW and P-GW are interacted, so as to obtain the ECGI of purpose base station, then MCC can be according to the ECGI of source base station and purpose
The ECGI of base station determines the sending method of source base station and purpose base station, and return to source base station the ECGI for carrying purposeful base station and
First response message of sending method, so that when source base station determines that sending method is straight-through transmission according to purpose base station
ECGI is set up the direct tunnel with purpose base station and is sent packet by direct tunnel to purpose base station.
Specifically, in the above-described embodiments, MCC obtains the ECGI of purpose base station according to purpose IP address, can include:
MCC sends the second addressing request messages to source MME corresponding with the ECGI of source base station, can be with second addressing request messages
Including purpose IP address, so that source MME inquires about the ECGI of purpose base station corresponding with purpose IP address, example according to purpose IP address
Such as, the first user data that source MME is prestored according to purpose IP address inquiry, can include in the first user data many
Bar list item, wherein every list item again can be including the international mobile subscriber identity of terminal(InternationalMobile
SubscriberIdentification Number, abbreviation IMSI), IP address corresponding with the IMSI of terminal and terminal
The S-GW of the ECGI and base station corresponding with the IMSI of terminal or IP address of IMSI or the corresponding base station of IP address.When source MME roots
First user data are inquired about according to purpose IP address and is judged in first user data with the presence or absence of the list item for including purpose IP address
When, if the IP address in a certain bar list item in first user data is identical with purpose IP address, can determine the first use
Existing in user data includes the list item of purpose IP address, and now, source MME continues to search for corresponding with purpose IP address in the list item
Base station ECGI, and using the ECGI of base station corresponding with purpose IP address as the second addressing request messages second response disappear
Breath is back to MCC, so that MCC can determine source base station and purpose base with the ECGI of purpose base station according to the ECGI of source base station
The sending method stood.
In the present embodiment, source terminal can also be included in the second addressing request messages that MCC is sent to source MME
IMSI, includes mesh when source MME inquires about first user data and judges to whether there is in first user data according to purpose IP address
IP address list item when, if the IP address in each list item in first user data and purpose IP address not phase
Together, then there is no the list item including purpose IP address in can determine first user data, now, source MME is then according to source terminal
IMSI inquiry first user data in the list item corresponding with the IMSI of source terminal, and search and source base station pair in the list item
The source S-GW for answering, then sends the 3rd addressing request messages to source S-GW, and the 3rd addressing request messages include source terminal
IMSI and purpose IP address.Source S-GW inquires about default first address correspondence table after receiving the 3rd addressing request messages, described
A plurality of list item can be included in the correspondence table of first address, wherein IMSI, the IMSI of terminal of terminal can be included in every list item
The corresponding MME of IMSI of corresponding P-GW and terminal.Source S-GW is searched in the correspondence table of the first address according to the IMSI of source terminal
The list item corresponding with the IMSI of source terminal, and please to the 4th addressing of P-GW transmissions corresponding with the IMSI of source terminal in the list item
Message is sought, the IMSI and purpose IP address of source terminal in the 4th addressing request messages, can be included.P-GW receives the 4th and seeks
Default second address correspondence table is inquired about after the request message of location, in the second address correspondence table, a plurality of list item can be included, its
In can include the IMSI IP address corresponding with the IMSI of terminal and IMSI or IP address with terminal of terminal in every list item
Corresponding S-GW.P-GW then inquires about the second address correspondence table according to purpose IP address and judges whether deposit in the correspondence table of the second address
In the list item including purpose IP address, if there is no the list item including purpose IP address, P-GW in the correspondence table of the second address
Empty Query Result is returned step by step to MCC according to above-mentioned inverse process, and MCC then can be returned to source base station according to empty Query Result and be wrapped
The sending method for including the source base station and the purpose base station is the first response message of non-straight-through transmission, so that source base station is adopted
Packet is passed through wireless access network and core net and is forwarded to purpose base station by traditional approach.
If the IP address in a certain bar list item of the second address correspondence table is identical with purpose IP address, the is can determine
Existing in double-address correspondence table includes the list item of purpose IP address, and now, P-GW is with continuing to search in the list item with purpose IP
The IMSI and corresponding purpose S-GW of the corresponding purpose terminal in location, and the 5th addressing request messages are sent to purpose S-GW, it is described
5th addressing request messages include the IMSI of purpose terminal.In the present embodiment, the 3rd address pair is store in purpose S-GW
Answer table, the corresponding table in the 3rd address table corresponding with the first address in the source S-GW that there is identical form, purpose S-GW
After receiving the 5th addressing request messages, in the 3rd address correspondence table of purpose S-GW, inquiry is corresponding with the IMSI of purpose terminal
Purpose MME, and send the 6th addressing request messages to purpose MME, the 6th addressing request messages include purpose terminal
IMSI.Store second user data in purpose MME, the first user number in the second user data and the source MME
According to identical form, after purpose MME receives the 6th addressing request messages, look in the second user data of purpose MME
Ask the ECGI of corresponding with the IMSI of purpose terminal purpose base station, and by purpose base station corresponding with the IMSI of purpose terminal
ECGI is back to MCC step by step as the second response message, according to above-mentioned inverse process, so that MCC can be according to source base station
The ECGI of ECGI and purpose base station determine the sending method of source base station and purpose base station.
In any of the above-described embodiment, MCC determines source base station and mesh according to the ECGI of the source base station and ECGI of purpose base station
Base station sending method, can specifically include:MCC is default straight according to ECGI and the ECGI of the purpose base station inquiry of source base station
Logical region division table, can include multiple straight-through regions, and each straight-through region again can be with the straight-through region division table
Including at least two ECGI, if Query Result belongs to same straight-through region with the ECGI of purpose base station for the ECGI of source base station
Interior, then MCC can determine that source base station is straight-through transmission with the sending method of purpose base station;Source base station and purpose are can determine otherwise
The sending method of base station is non-straight-through transmission.And the sending method and purpose for including source base station and purpose base station is sent to source base station
First response message of the ECGI of base station, so that can be according to purpose when source base station determines sending method to lead directly to and sending
The ECGI of base station is set up the direct tunnel with purpose base station and is sent packet by direct tunnel to purpose base station, and then
Improve data transmission efficiency.
Fig. 3 is a kind of signaling process schematic diagram of data transmission method that the embodiment of the present invention three is provided, as shown in figure 3,
The data transmission method can include:
Step 301, source terminal send packet, and purpose IP address are carried in packet;
Step 302, source base station receiving data bag are stored in advance in first local turn of base station according to purpose IP address inquiry
Deliver;
Step 303, when there is no the list item including purpose IP address in the first local forward table, source base station is then sent out to MCC
The first addressing request messages, first addressing request messages are sent to include the ECGI and purpose IP address of source base station;
In the present embodiment, source base station sends the IMSI that source terminal can also be carried in the first addressing request messages to MCC.
When in the first local forward table, presence includes the list item of purpose IP address, and sending method corresponding with purpose IP address in list item
For straight-through transmission, source base station then by packet by the direct tunnel of source base station corresponding with purpose IP address and purpose base station to mesh
Base station send;Include the list item of purpose IP address when existing in the first local forward table, and in list item with purpose IP address pair
The sending method answered is non-straight-through transmission, and packet is then passed through wireless access network and core net and turned to purpose base station by source base station
Send out.
Step 304, MCC receive the first addressing request messages, and send second to source MME corresponding with the ECGI of source base station
Addressing request messages, second addressing request messages include the IMSI of purpose IP address and source terminal;
Whether step 305, MME receive the second addressing request messages, inquired about in first user data according to purpose IP address
There is the ECGI of purpose base station corresponding with purpose IP address;
Step 306, if there is no the ECGI, MME of purpose base station corresponding with purpose IP address in first user data
Then the 3rd addressing request messages are sent to the source S-GW of source base station, the 3rd addressing request messages include the IMSI of source terminal
And purpose IP address;
In the present embodiment, if there is the ECGI of purpose base station corresponding with purpose IP address in first user data,
The second response message for including the ECGI of purpose base station corresponding with purpose IP address is then back to MCC by MME, so that MCC roots
The sending method of source base station and purpose base station is determined according to the ECGI of source base station and the ECGI of purpose base station.
Step 307, source S-GW receive the 3rd addressing request messages, and P-GW corresponding with the IMSI of source terminal sends the 4th
Addressing request messages, can include the IMSI and purpose IP address of source terminal in the 4th addressing request messages;
Step 308, P-GW receive the 4th addressing request messages, and inquiry whether there is and mesh in the correspondence table of the second address
IP address identical IP address;
Step 309, if there are purpose IP address in the correspondence table of the second address, P-GW is to corresponding with purpose IP address
Purpose S-GW sends the 5th addressing request messages, and the 5th addressing request messages include the IMSI of purpose terminal;
In the present embodiment, if there are no purpose IP address in the correspondence table of the second address, P-GW is according to above-mentioned inverse
Process returns empty Query Result step by step to MCC, so that MCC determines source base station and mesh according to the ECGI and empty Query Result of source base station
Base station sending method.
Step 310, purpose S-GW receive the 5th addressing request messages, and to purpose corresponding with the IMSI of purpose terminal
MME sends the 6th addressing request messages, and the 6th addressing request messages include the IMSI of purpose terminal;
Step 311, purpose MME receive the 6th addressing request messages, according to the IMSI of purpose terminal in second user data
The ECGI of the corresponding purpose base station of middle inquiry, and using the ECGI of purpose base station as the second response message according to above-mentioned inverse process
MCC is back to step by step;
Step 312, MCC determine the transmission of source base station and purpose base station according to the ECGI of the ECGI and source base station of purpose base station
Mode, and include that to source base station transmission first response of the ECGI of the sending method and purpose base station of source base station and purpose base station disappears
Breath;
In the present embodiment, MCC can also send to purpose base station the sending method that includes source base station and purpose base station and
3rd response message of the ECGI of source base station.
Step 313, source base station receive the first response message, by the sending method of source base station and purpose base station, purpose IP ground
The ECGI of location and purpose base station is accordingly stored in a list item of the first local forward table;
Step 314, source base station according to the ECGI of the straight-through sending method in the first response message and purpose base station set up with
Direct tunnel between purpose base station, and packet is sent to purpose base station by direct tunnel;
Step 315, purpose base station receiving data bag, and packet is sent to purpose terminal;
In the present embodiment, can be stored with purpose base station the second local forward table, its form and the first of source base station
Local forward table is identical, and purpose base station can also receive the 3rd response message of MCC transmissions, so that purpose base station receives
The of purpose base station can also be stored in using the information carried in the 3rd response message as one article of list item after 3rd response message
In two local forward tables, and then when causing the purpose base station in this communication in communication next time as source base station, it is also possible to press
The straight-through transmission between base station is carried out according to the data transmission method shown in above-mentioned Fig. 1.
Fig. 4 is a kind of structural representation of base station that the embodiment of the present invention four is provided, as shown in figure 4, the base station can be with
Including:
First receiver module 401, for receiving the packet that source terminal is sent to purpose terminal, the packet carries mesh
IP address;
First sending module 402, for inquiring about local forward table according to the purpose IP address, if the local forward table
In there is no list item including the purpose IP address, then send the first addressing request messages to management control center MCC, it is described
First addressing request messages include the evolution wireless access system cellular global identity ECGI of the source base station and purpose IP ground
Location, so that MCC obtains the ECGI ECGI and the mesh according to the source base station of purpose base station according to the purpose IP address
The ECGI of base station determine the sending method of the source base station and the purpose base station;
Second receiver module 403, responds according to first addressing request messages are returned first for receiving the MCC
Message, first response message include the sending method of the source base station and the purpose base station, the purpose base station
ECGI;
Second sending module 404, for according to the described sender formula in the first addressing request messages and the purpose base
The ECGI for standing sends the packet to the purpose base station, so that the packet is sent to the mesh by the purpose base station
Terminal.
Further, above-mentioned base station can also include:
Enquiry module 405, if for there is the list item for including the purpose IP address in the local forward table, searching
The corresponding sending method of purpose IP address described in the list item;
3rd sending module 406, if being straight-through transmission for the corresponding sending method of the purpose IP address, will be described
Packet is sent to the purpose base station by the direct tunnel between the source base station and purpose base station, so that the purpose base
Is stood and the packet is sent to the purpose terminal;If the corresponding sending method of the purpose IP address is non-straight-through transmission,
Then by gateway S-GW from the packet to the source base station send so that the S-GW by the packet to the mesh
Base station forwarding, and then make the purpose base station that the packet is sent to the purpose terminal.
Further, above-mentioned base station can also include:
Memory module 407, for by the sending method of the source base station and the purpose base station, the purpose IP address and
The ECGI of purpose base station corresponding with the purpose IP address is accordingly stored in a list item of the local forward table.
Specifically, the second sending module 404 specifically can be used for:
If the sending method of the source base station and the purpose base station is non-straight-through transmission, by the packet to described
The gateway S-GW of source base station sends, so that the packet is forwarded by the S-GW to the purpose base station;Or
If the source base station is straight-through transmission with the sending method of the purpose base station, according to the purpose base station
ECGI is determined in the local forward table with the presence or absence of list item corresponding with the ECGI of the purpose base station;
If existing, determined according to the ECGI of the purpose base station and set up between the source base station and the purpose base station
Direct tunnel, if not existing, according to the ECGI of the purpose base station set up and the purpose base station between direct tunnel;
The packet is sent to the purpose base station by the direct tunnel.
The base station of the present embodiment can be used for the technical scheme for performing embodiment of the method shown in Fig. 1, and which realizes principle and skill
Art effect is similar to, and here is omitted.
Fig. 5 is a kind of structural representation of management control center that the embodiment of the present invention five is provided, as shown in figure 5, described
Management control center MCC can include:
Receiver module 501, for receiving the first addressing request messages of source base station transmission, first addressing request messages
It is to send after source base station receives the packet that source terminal is sent to purpose terminal, first addressing request messages include source base
The ECGI for standing and the purpose IP address of packet;
Address acquisition module 502, for the ECGI of purpose base station is obtained according to purpose IP address;
Sending method determining module 503, for determining source base with the ECGI of the purpose base station according to the ECGI of source base station
The sending method stood with the purpose base station;
Sending module 504, for the carrying purposeful ECGI of base station and the first response message of sending method are sent to
Source base station, so that when source base station determines that sending method is set up and purpose base station according to the ECGI of purpose base station when being straight-through transmission
Direct tunnel, by packet by direct tunnel to purpose base station send.
Specifically, address acquisition module 502 may further include:
Transmitting element 505, for sending the second addressing request messages to source MME, wraps in second addressing request messages
Purpose IP address are included, so that source MME is wireless according to the evolution that purpose IP address inquire about purpose base station corresponding with purpose IP address
Access system cellular global identity ECGI;
Receiving unit 506, for receiving the second response message that MME is returned according to the second addressing request messages, described
Two response messages include the ECGI of the corresponding purpose base station of purpose IP address.
Specifically, sending method determining module 503 specifically can be used for:According to ECGI and the purpose base station of source base station
ECGI inquires about default straight-through region division table, if the ECGI of source base station belongs to same straight-through region with the ECGI of purpose base station
It is interior, it is determined that source base station is straight-through transmission with the sending method of purpose base station;Otherwise determine the transmission of source base station and purpose base station
Mode is non-straight-through transmission.
The management control center of the present embodiment can be used for the technical scheme for performing embodiment of the method shown in Fig. 2, its realization
Principle is similar with technique effect, and here is omitted.
Fig. 6 is a kind of structural representation of data transmission system that the embodiment of the present invention six is provided, as shown in fig. 6, described
Data transmission system can include:The base station 601 provided in the corresponding embodiment of above-mentioned Fig. 4 and the corresponding embodiments of above-mentioned Fig. 5
The management control center 602 of middle offer.Wherein, the detailed description of base station 601 may refer to the correlation in the corresponding embodiments of Fig. 4
Content, the detailed description of management control center 602 may refer to the related content in the corresponding embodiments of Fig. 5, no longer go to live in the household of one's in-laws on getting married herein
State.
One of ordinary skill in the art will appreciate that:Realize that all or part of step of above-mentioned each method embodiment can be led to
Cross the related hardware of programmed instruction to complete.Aforesaid program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, performs the step of including above-mentioned each method embodiment;And aforesaid storage medium includes:ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that:Various embodiments above only to illustrate technical scheme, rather than a limitation;To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that:Its according to
So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered
Row equivalent;And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (15)
1. a kind of data transmission method, it is characterised in that include:
Source base station receives the packet that source terminal is sent to purpose terminal, and the packet carries purpose IP address;
The source base station inquires about local forward table according to the purpose IP address, if not existing including institute in the local forward table
State the list item of purpose IP address, then the source base station to management control center MCC send the first addressing request messages, described first
Addressing request messages include the evolution wireless access system cellular global identity ECGI and purpose IP address of the source base station, with
Make MCC that the ECGI ECGI and the purpose base according to the source base station of purpose base station are obtained according to the purpose IP address
The ECGI for standing determines the sending method of the source base station and the purpose base station;
The source base station receives the first response message that the MCC is returned according to first addressing request messages, and described first
Response message includes sending method of the source base station with the purpose base station, the ECGI of the purpose base station;
The source base station sends the data to the purpose base station according to the ECGI of described sender formula and the purpose base station
Bag, so that the packet is sent to the purpose terminal by the purpose base station.
2. method according to claim 1, it is characterised in that also include:
If there is the list item for including the purpose IP address in the local forward table, purpose IP described in the list item is searched
The corresponding sending method in address;
If the corresponding sending method of the purpose IP address is straight-through transmission, the source base station is by the packet by described
Direct tunnel between source base station and purpose base station is sent to the purpose base station, so that the purpose base station is by the packet
It is sent to the purpose terminal;If the corresponding sending method of the purpose IP address is non-straight-through transmission, the source base station will
Gateway S-GW from the packet to the source base station send so that the S-GW by the packet to the purpose base
Stand forwarding, and then make the purpose base station that the packet is sent to the purpose terminal.
3. method according to claim 1 and 2, it is characterised in that the source base station receives the MCC according to described first
After the first response message that addressing request messages are returned, also include:
The source base station is by the sending method of the source base station and the purpose base station, the purpose IP address and the purpose base
The ECGI for standing accordingly is stored in a list item of the local forward table.
4. method according to claim 3, it is characterised in that the source base station is according to described sender formula and the purpose
The ECGI of base station sends the packet to the purpose base station, specifically includes:
If the sending method of the source base station and the purpose base station is non-straight-through transmission, the source base station is by the packet
To the source base station S-GW send so that the S-GW by the packet to mesh corresponding with the ECGI of the purpose base station
Base station forwarding;Or
If the source base station is straight-through transmission with the sending method of the purpose base station, the source base station is according to the purpose base
The ECGI for standing is determined in the local forward table with the presence or absence of list item corresponding with the ECGI of the purpose base station;
If existing, the source base station is determined between the source base station and the purpose base station according to the ECGI of the purpose base station
The direct tunnel set up, otherwise described source base station are set up and the purpose base station between according to the ECGI of the purpose base station
Direct tunnel;
The packet is sent to the purpose base station by the source base station by the direct tunnel.
5. a kind of data transmission method, it is characterised in that include:
Management control center MCC receives the first addressing request messages that source base station sends, and first addressing request messages are institutes
State what is sent after source base station receives the packet that source terminal is sent to purpose terminal, first addressing request messages include described
The evolution wireless access system cellular global identity ECGI and the purpose IP address of the packet of source base station;
The MCC obtains the ECGI of purpose base station according to the purpose IP address;
The MCC determines the source base station with the purpose base with the ECGI of the purpose base station according to the ECGI of the source base station
The sending method stood;
The first response message for carrying the ECGI and described sender formula of the purpose base station is sent to the source by the MCC
Base station so that when the source base station determines that described sender formula is straight-through transmission according to the ECGI of the purpose base station set up with
The direct tunnel of the purpose base station, the packet is sent to the purpose base station by the direct tunnel.
6. method according to claim 5, it is characterised in that the MCC obtains purpose base according to the purpose IP address
The ECGI for standing, specifically includes:
The MCC sends the second addressing request messages to Mobility Management Entity MME corresponding with the ECGI of source base station, and described the
Two addressing request messages include the purpose IP address, so that the MME is inquired about and the mesh according to the purpose IP address
The corresponding purpose base station of IP address evolution wireless access system cellular global identity ECGI;
The MCC receives the second response message that the MME is returned according to second addressing request messages, second response
Message includes the ECGI of the corresponding purpose base station of the purpose IP address.
7. the method according to claim 5 or 6, it is characterised in that the ECGI according to the source base station and the mesh
The ECGI of base station determine the sending method of the source base station and the purpose base station, specially:
The MCC inquires about default straight-through region division table according to the ECGI and the ECGI of the purpose base station of the source base station,
If the ECGI of the source base station is belonged in same straight-through region with the ECGI of the purpose base station, it is determined that the source base station and institute
The sending method for stating purpose base station is straight-through transmission;Otherwise determine that the source base station is non-with the sending method of the purpose base station
It is straight-through to send.
8. a kind of base station, it is characterised in that include:
First receiver module, for receiving the packet that source terminal is sent to purpose terminal, the packet carries purpose IP ground
Location;
First sending module, for inquiring about local forward table according to the purpose IP address, if not depositing in the local forward table
In the list item including the purpose IP address, then the first addressing request messages are sent to management control center MCC, described first seeks
Location request message includes the evolution wireless access system cellular global identity ECGI and purpose IP address of source base station, so that MCC
ECGI the ECGI according to the source base station and the purpose base station of purpose base station are obtained according to the purpose IP address
ECGI determines the sending method of the source base station and the purpose base station;
Second receiver module, for receiving the first response message that the MCC is returned according to first addressing request messages, institute
Stating the first response message includes sending method of the source base station with the purpose base station, the ECGI of the purpose base station;
Second sending module, for the ECGI according to the described sender formula in the first addressing request messages and the purpose base station
The packet is sent to the purpose base station, so that the packet is sent to the purpose terminal by the purpose base station.
9. base station according to claim 8, it is characterised in that also include:
Enquiry module, if for there is the list item for including the purpose IP address in the local forward table, searching the table
The corresponding sending method of purpose IP address described in;
3rd sending module, if being straight-through transmission for the corresponding sending method of the purpose IP address, by the packet
Sent to the purpose base station by the direct tunnel between the source base station and purpose base station, so that the purpose base station is by institute
State packet and be sent to the purpose terminal;If the corresponding sending method of the purpose IP address is non-straight-through transmission, by institute
State gateway S-GW from packet to the source base station send so that the S-GW by the packet to the purpose base station
Forwarding, and then make the purpose base station that the packet is sent to the purpose terminal.
10. base station according to claim 8 or claim 9, it is characterised in that also include:
Memory module, for by the source base station and the sending method of the purpose base station, the purpose IP address and with it is described
The ECGI of the corresponding purpose base station of purpose IP address is accordingly stored in a list item of the local forward table.
11. base stations according to claim 10, it is characterised in that second sending module specifically for:
If the source base station is non-straight-through transmission with the sending method of the purpose base station, by the packet to the source base
The gateway S-GW for standing sends, so that the packet is forwarded by the S-GW to the purpose base station;Or
If the source base station is straight-through transmission with the sending method of the purpose base station, true according to the ECGI of the purpose base station
With the presence or absence of list item corresponding with the ECGI of the purpose base station in the fixed local forward table;
If existing, set up between the source base station and the purpose base station straight is determined according to the ECGI of the purpose base station
Logical tunnel, if not existing, sets up according to the ECGI of the purpose base station and the direct tunnel between the purpose base station;
The packet is sent to the purpose base station by the direct tunnel.
12. a kind of management control centers, it is characterised in that include:
Receiver module, for receiving the first addressing request messages of source base station transmission, first addressing request messages are described
What source base station was sent after receiving the packet that source terminal is sent to purpose terminal, first addressing request messages include the source
The evolution wireless access system cellular global identity ECGI and the purpose IP address of the packet of base station;
Address acquisition module, for the ECGI of purpose base station is obtained according to the purpose IP address;
Sending method determining module, for determining the source base with the ECGI of the purpose base station according to the ECGI of the source base station
The sending method stood with the purpose base station;
Sending module, the first response message for ECGI and described sender formula by the purpose base station is carried are sent to
The source base station, so that the ECGI when the source base station determines that described sender formula is straight-through transmission according to the purpose base station
Foundation is sent to the purpose base station with the direct tunnel of the purpose base station, by the packet by the direct tunnel.
13. management control centers according to claim 12, it is characterised in that the address acquisition module includes:
Transmitting element, for sending the second addressing request messages to Mobility Management Entity MME corresponding with the ECGI of source base station,
Second addressing request messages include the purpose IP address so that the MME according to the purpose IP address inquiry with
The evolution wireless access system cellular global identity ECGI of the corresponding purpose base station of the purpose IP address;
Receiving unit, for receiving the second response message that the MME is returned according to second addressing request messages, described
Two response messages include the ECGI of the corresponding purpose base station of the purpose IP address.
14. management control centers according to claim 12 or 13, it is characterised in that described sender formula determining module has
Body is used for:
Default straight-through region division table is inquired about according to the ECGI and the ECGI of the purpose base station of the source base station, if the source
The ECGI of base station is belonged in same straight-through region with the ECGI of the purpose base station, it is determined that the source base station and the purpose base
The sending method stood is straight-through transmission;Otherwise determine that the source base station is non-straight-through with the sending method of the purpose base station
Send.
15. a kind of data transmission systems, it is characterised in that include:Base station as described in any one of claim 8~11 and as weighed
Profit requires the management control center described in 12~14 any one.
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CN106034284B (en) * | 2015-03-20 | 2021-11-12 | 中兴通讯股份有限公司 | Communication method, wireless base station, user terminal and communication system |
CN107071828A (en) * | 2017-04-01 | 2017-08-18 | 中国联合网络通信集团有限公司 | Message forwarding method and device |
CN113225770A (en) * | 2020-01-21 | 2021-08-06 | 华为技术有限公司 | Data transmission method and device |
CN117295077B (en) * | 2023-11-24 | 2024-02-13 | 北京航空航天大学 | Multi-cell cooperative multiple access ground-air data transmission method |
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WO2010102561A1 (en) * | 2009-03-10 | 2010-09-16 | 华为技术有限公司 | Data local exchange method, device and system thereof |
CN101990171A (en) * | 2009-08-06 | 2011-03-23 | 大唐移动通信设备有限公司 | Access method and equipment for access node |
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CN102158854A (en) * | 2009-01-15 | 2011-08-17 | 华为技术有限公司 | Method and device for sending, transmitting and receiving data as well as method and device for building local area network |
CN101808361A (en) * | 2009-02-12 | 2010-08-18 | 中兴通讯股份有限公司 | Data transmission method |
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