CN103826276A - 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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- CN103826276A CN103826276A CN201210469361.1A CN201210469361A CN103826276A CN 103826276 A CN103826276 A CN 103826276A CN 201210469361 A CN201210469361 A CN 201210469361A CN 103826276 A CN103826276 A CN 103826276A
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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, relate in particular to a kind of data transmission method, base station, management control center and system.
Background technology
Along with the development of the communication technology, user's business demand constantly increases, based on data transmission mechanism centralized in existing communication system, the upstream data of all terminals all will be by base-station transmission to gateway (Serving Gateway, be called for short S-GW), transfer to public data network (Public DataNetwork by S-GW again, PDN) gateway, last access service platform, by business platform, data back is transferred to the affiliated base station of data receiving terminal, send to receiving terminal by base station, therefore, existing data transfer mode needs whole process to shuttle back and forth between wireless access network and core net.
But along with the increase of customer service demand, the Local resource based on " social circle " is shared and become emerging mobile communication mode, local data flow proportion in total traffic is more and more.Nonetheless, under existing data-transmission mode, just two terminals under same base station intercom mutually at last, and the data that source terminal sends to object terminal also will be by base-station transmission to S-GW, then is sent to PDN Gateway by S-GW, and then access service platform, by business platform, data back is transferred to base station, send the data to object terminal by base station, therefore, available data transmission mode makes the disposal ability of core net face immense pressure, thereby causes the inefficiency of transfer of data.
Summary of the invention
The object of the present invention is to provide a kind of data transmission method, base station, management control center and system, make the disposal ability of core net face immense pressure to solve available data transmission mode, cause the problem of the inefficiency of transfer of data.
First aspect of the present invention is to provide a kind of data transmission method, comprising:
The packet that source base station reception sources terminal sends to object terminal, described packet carries object IP address;
Described source base station is transmitted according to described object IP address lookup this locality, if there is not the list item that comprises described object IP address in transmitting in described this locality, described source base station sends the first addressing request message to management control center MCC, described the first addressing request message comprises evolution wireless access system cellular global identity ECGI and the object IP address of described source base station, so that MCC is according to the ECGI of described object IP address acquisition object base station, and determine the send mode of described source base station and described object base station according to the ECGI of the ECGI of described source base station and described object base station,
Described source base station receives the first response message that described MCC returns according to described the first addressing request message, and described the first response message comprises the ECGI of the send mode of described source base station and described object base station, described object base station;
Described source base station sends described packet according to the ECGI of described send mode and described object base station to described object base station, so that described Packet Generation is given described object terminal by described object base station.
Second aspect of the present invention is to provide a kind of data transmission method, comprising:
The first addressing request message that management control center MCC reception sources base station sends, described the first addressing request message is that described source base station receives that source terminal sends after the packet of object terminal transmission, and described the first addressing request message comprises the evolution wireless access system cellular global identity ECGI of described source base station and the object IP address of described packet;
Described MCC is according to the ECGI of described object IP address acquisition object base station;
Described MCC determines the send mode of described source base station and described object base station according to the ECGI of the ECGI of described source base station and described object base station;
Described MCC will carry the ECGI of described object base station and the first response message of described send mode sends to described source base station, so that set up with the straight-through tunnel of described object base station, described packet is sent to described object base station by described straight-through tunnel according to the ECGI of described object base station in the time that described source base station determines that described send mode is straight-through transmission.
The 3rd aspect of the present invention is to provide a kind of base station, comprising:
The first receiver module, the packet sending to object terminal for reception sources terminal, described packet carries object IP address;
The first sending module, for transmitting according to described object IP address lookup this locality, if there is not the list item that comprises described object IP address in transmitting in described this locality, send the first addressing request message to management control center MCC, described the first addressing request message comprises evolution wireless access system cellular global identity ECGI and the object IP address of described source base station, so that MCC is according to the ECGI of described object IP address acquisition object base station, and determine the send mode of described source base station and described object base station according to the ECGI of the ECGI of described source base station and described object base station,
The second receiver module, the first response message returning according to described the first addressing request message for receiving described MCC, described the first response message comprises the ECGI of the send mode of described source base station and described object base station, described object base station;
The second sending module, for sending described packet according to the ECGI of the described send mode of the first addressing request message and described object base station to described object base station, so that described Packet Generation is given described object terminal by described object base station.
The 4th aspect of the present invention is to provide a kind of management control center, comprising:
Receiver module, the the first addressing request message sending for reception sources base station, described the first addressing request message is that described source base station receives that source terminal sends after the packet of object terminal transmission, and described the first addressing request message comprises the evolution wireless access system cellular global identity ECGI of described source base station and the object IP address of described packet;
Address acquisition module, for according to the ECGI of described object IP address acquisition object base station;
Send mode determination module, for determining the send mode of described source base station and described object base station according to the ECGI of the ECGI of described source base station and described object base station;
Sending module, for carrying the ECGI of described object base station and the first response message of described send mode sends to described source base station, so that set up according to the ECGI of described object base station in the time that described source base station determines that described send mode is straight-through transmission and the straight-through tunnel of described object base station, described packet is sent to described object base station by described straight-through tunnel.
The 5th aspect of the present invention is to provide a kind of data transmission system, comprises base station as above and management control center.
Adopt the beneficial effect of the invention described above technical scheme to be: in the time that source terminal sends packet to object terminal, source base station can be transmitted and judge whether first this locality exists the list item that comprises object IP address in transmitting according to object IP address lookup first this locality of carrying in packet, if do not exist, source base station sends the first addressing request message to MCC, so that MCC returns to according to the first addressing request message the send mode that comprises source base station and object base station to source base station, the first response message of the ECGI of object base station, thereby make source base station can send according to the ECGI of the send mode in the first response message and object base station packet to object base station, and then make object base station by described Packet Generation to object terminal.Thereby realize the data direct mode operation between source base station and object base station, alleviated the pressure of core net, improved data transmission efficiency.
Accompanying drawing explanation
The schematic flow sheet of a kind of data transmission method that Fig. 1 provides for the embodiment of the present invention one;
The schematic flow sheet of a kind of data transmission method that Fig. 2 provides for the embodiment of the present invention two;
The signaling process schematic diagram of a kind of data transmission method that Fig. 3 provides for the embodiment of the present invention three;
The structural representation of a kind of base station that Fig. 4 provides for the embodiment of the present invention four;
The structural representation of a kind of management control center that Fig. 5 provides for the embodiment of the present invention five;
The structural representation of a kind of data transmission system that Fig. 6 provides for the embodiment of the present invention six.
Embodiment
The schematic flow sheet of a kind of data transmission method that Fig. 1 provides for the embodiment of the present invention one, as shown in Figure 1, described data transmission method can comprise the steps:
Step 101, the packet that source base station reception sources terminal sends to object terminal, described packet carries object IP address;
Step 102, described source base station is transmitted according to described object IP address lookup this locality, if described this locality does not exist the list item that comprises described object IP address in transmitting, described source base station sends the first addressing request message to management control center MCC;
Step 103, described source base station receives the first response message that described MCC returns according to described the first addressing request message;
Step 104, described source base station sends described packet according to the ECGI of the send mode carrying in the first response message and described object base station to described object base station, so that described Packet Generation is given described object terminal by described object base station.
In embodiments of the present invention, in the time that source terminal sends packet to object terminal, first packet is transferred to source base station.For base station, if packet is to receive from the link port of connection terminal, can determines certainly as source base station, and in packet, carry object IP address, otherwise can determine certainly as object base station.In the present embodiment, source base station receives after packet, extract the object IP address of carrying in packet, then transmit according to the pre-stored this locality at source base station of object IP address lookup, in the present embodiment, the this locality that is stored in source base station is transmitted and can be called first this locality and transmit, first this locality of source base station can comprise many list items in transmitting, wherein, every list item can comprise again IP address, the send mode corresponding with IP address, can also comprise evolution wireless access system cellular global identity (the E-UTRAN Cell Global Identity of the base station corresponding with IP address, be called for short ECGI), wherein, the send mode corresponding with IP address is the send mode between base station corresponding to source base station and IP address.Source base station is transmitted according to object IP address lookup first this locality and is judged whether first this locality exists the list item that comprises object IP address in transmitting, if the IP address in a certain the list item that transmit first this locality is identical with the object IP address extracting in packet, can determine that first this locality transmits the list item that middle existence comprises object IP address, now, source base station continues to search send mode corresponding with object IP address in this list item, if the send mode corresponding with object IP address is straight-through transmission in this list item, source base station sends by the straight-through tunnel between source base station and the object base station corresponding with object IP address packet to object base station, so that object base station by Packet Generation to object terminal.
In the present embodiment, in the time that source terminal sends packet to object terminal, source base station can judge whether first this locality exists the list item that comprises object IP address in transmitting according to object IP address, if the IP address in each list item that transmit first this locality is all not identical with object IP address, can determine that first this locality does not exist the list item that comprises object IP address in transmitting, now, source base station is to management control center (Management Control Center, be called for short: MCC) send the first addressing request message, described the first addressing request message comprises ECGI and the object IP address of source base station, so that MCC is according to the ECGI of object IP address acquisition object base station, and determine the send mode of source base station and object base station according to the ECGI of the ECGI of source base station and object base station.In the present embodiment, MCC divides table according to the default straight-through region of the ECGI inquiry of the ECGI of source base station and object base station, in described straight-through region division table, can comprise multiple straight-through regions, and each straight-through region can comprise again the ECGI of at least two base stations, if the ECGI of the ECGI that Query Result is source base station and object base station belongs to same straight-through region, MCC can determine that the send mode of source base station and object base station sends for straight-through; Otherwise the send mode that can determine source base station and object base station is non-straight-through transmission.In embodiments of the present invention, described straight-through region refers to according to certain rule divides into groups to base station, each group comprises at least two base stations, identify different base stations with ECGI, and each group is a straight-through region, can be to be for example kept at the ECGI of adjacent two or more base stations as a group in a list item of straight-through region division table, with this list item in the corresponding two or more base stations of two or more ECGI be a straight-through region.
Source base station receives the first response message that MCC returns according to the first addressing request message, and described the first response message comprises the send mode of source base station and object base station, the ECGI of object base station; And source base station sends packet to object base station according to the ECGI of described send mode and described object base station.In the present embodiment, if the send mode of source base station and object base station sends for straight-through in the first response message that MCC returns, source base station is set up the straight-through tunnel between object base station according to the ECGI of object base station, and packet is sent to object base station by straight-through tunnel; If the send mode of source base station and object base station is non-straight-through transmission in the first response message that MCC returns, source base station adopts traditional approach that packet is forwarded to object base station by wireless access network and core net, thus make object base station by Packet Generation to object terminal.
In the present embodiment, in the time that source terminal sends packet to object terminal, source base station can be transmitted and judge whether first this locality exists the list item that comprises object IP address in transmitting according to object IP address lookup first this locality of carrying in packet, if do not exist, source base station sends the first addressing request message to MCC, so that MCC returns to according to the first addressing request message the send mode that comprises source base station and object base station to source base station, the first response message of the ECGI of object base station, thereby make source base station can send according to the ECGI of the send mode in the first response message and object base station packet to object base station, and then make object base station by described Packet Generation to object terminal.Thereby realize the data direct mode operation between source base station and object base station, alleviated the pressure of core net, improved data transmission efficiency.
Further, in the above-described embodiments, source base station judges according to object IP address whether first this locality exists the list item that comprises object IP address in transmitting, if the IP address in a certain the list item that transmit first this locality is identical with the object IP address extracting in packet, can determine that first this locality transmits the list item that middle existence comprises object IP address, now, source base station continues to search send mode corresponding with object IP address in this list item, if send mode corresponding with object IP address in this list item sends for straight-through, described packet is sent to the straight-through tunnel between the source base station corresponding with described object IP address and object base station, so that described Packet Generation is given described object terminal by described object base station.Thereby realize the data direct mode operation between source base station and object base station, alleviated the pressure of core net, improved data transmission efficiency.If the send mode corresponding with object IP address is non-straight-through transmission in this list item, source base station adopts traditional approach that packet is forwarded to object base station by wireless access network and core net, for example first source base station sends packet to the S-GW corresponding with source base station, the S-GW of source base station again by packet to public data network gateway (PDN Gateway, be called for short P-GW) send, P-GW sends packet to the object S-GW corresponding with object IP address, finally by object S-GW, packet is sent to the object base station corresponding with object IP address, thereby make object base station by Packet Generation to object terminal.
Further, after the first response message that source base station reception MCC returns according to the first addressing request message, can also comprise: source base station is kept at object IP address and source base station in a list item of transmitting first this locality as the send mode corresponding with object IP address with the send mode of object base station, the ECGI of the base station corresponding with object IP address can also be kept in a list item corresponding with object IP address, therefore, in the time that source terminal sends the follow-up data bag of same data flow, just can transmit and find object IP address and corresponding send mode by first this locality, so that the fast transport of packet, thereby improve data transmission efficiency.And, when source terminal again with same object base station under other object terminals while communicating, because the object IP address of carrying in packet is not identical, therefore, source base station receives after the first response message that MCC returns according to the first addressing request message, can determine whether first this locality exists the list item corresponding with the ECGI of object base station in transmitting according to the ECGI of object base station, if existed, illustrate between source base station and object base station and had straight-through tunnel, source base station can be determined the straight-through tunnel of having set up between source base station and object base station according to the ECGI of object base station in list item, and packet is sent to object base station by straight-through tunnel, otherwise source base station can be set up the straight-through tunnel between object base station according to the ECGI of object base station.
Further, source base station sends packet to object base station according to the ECGI of send mode and object base station, specifically comprise: if the send mode of source base station and object base station is non-straight-through transmission, source base station adopts traditional approach that packet is forwarded to object base station by wireless access network and core net, be that first source base station sends packet to the S-GW corresponding with source base station, the S-GW of source base station again by packet to P-GW, P-GW sends packet to the object S-GW corresponding with object IP address, finally by object S-GW, packet is sent to the object base station corresponding with object IP address, thereby make object base station by Packet Generation to object terminal, if the send mode of source base station and object base station sends for straight-through, source base station determines according to the ECGI of object base station whether this locality exists the list item corresponding with the ECGI of described object base station in transmitting, if existed, illustrate between source base station and object base station and had straight-through tunnel, source base station can be determined the straight-through tunnel of having set up between source base station and object base station according to the ECGI of object base station in list item, and packet is sent to object base station by straight-through tunnel, otherwise source base station can be set up the straight-through tunnel between object base station according to the ECGI of object base station, then packet is sent to object base station by straight-through tunnel.
The schematic flow sheet of a kind of data transmission method that Fig. 2 provides for the embodiment of the present invention two, as shown in Figure 2, described data transmission method can comprise the steps:
Step 201, the first addressing request message that MCC reception sources base station sends, described the first addressing request message is that described source base station receives that source terminal sends after the packet of object terminal transmission, and described the first addressing request message comprises the object IP address of ECGI and the described packet of described source base station;
Step 202, described MCC is according to the ECGI of described object IP address acquisition object base station;
Step 203, described MCC determines the send mode of described source base station and described object base station according to the ECGI of the ECGI of described source base station and described object base station;
Step 204, described MCC will carry the ECGI of described object base station and the first response message of described send mode sends to described source base station, so that set up with the straight-through tunnel of described object base station, described packet is sent to described object base station by described straight-through tunnel according to the ECGI of described object base station in the time that described source base station determines that described send mode is straight-through transmission.
In the present embodiment, in the time that source terminal sends packet to object terminal, first packet is transferred to source base station, and in packet, carry object IP address, source base station receives after packet, extract the object IP address of carrying in packet, then transmit according to pre-stored first this locality at source base station of object IP address lookup, in the present embodiment, first this locality of source base station can comprise many list items in transmitting, wherein, every list item can comprise again IP address, the send mode corresponding with IP address, can also comprise the ECGI of the base station corresponding with IP address.Source base station is transmitted according to object IP address lookup first this locality and is judged whether first this locality exists the list item that comprises object IP address in transmitting, if the IP address in each list item that transmit first this locality is all not identical with object IP address, can determine that first this locality does not exist the list item that comprises object IP address in transmitting, now, source base station sends the first addressing request message to MCC, described the first addressing request message comprises ECGI and the object IP address of source base station, and described the first addressing request message is that source base station receives that source terminal sends after the packet of object terminal transmission.When MCC receives after the first addressing request message of source base station transmission, can be according to object IP address and core network element as Mobility Management Entity (Mobile Management Entity, hereinafter to be referred as: MME), or S-GW and P-GW carry out alternately, thereby obtain the ECGI of object base station, then MCC can determine according to the ECGI of the ECGI of source base station and object base station the send mode of source base station and object base station, and return and carry the ECGI of object base station and the first response message of send mode to source base station, thereby make in the time that source base station determines that send mode is straight-through transmission according to the ECGI foundation of object base station and the straight-through tunnel of object base station, and packet is sent to object base station by straight-through tunnel.
Particularly, in the above-described embodiments, MCC is according to the ECGI of object IP address acquisition object base station, can comprise: MCC sends the second addressing request message to the source MME corresponding with the ECGI of source base station, in described the second addressing request message, can comprise object IP address, so that source MME is according to the ECGI of the object IP address lookup object base station corresponding with object IP address, for example, the first user data that source MME is pre-stored according to object IP address lookup, in described first user data, can comprise many list items, wherein every list item can comprise again international mobile subscriber identity (the InternationalMobile SubscriberIdentification Number of terminal, be called for short IMSI), the IP address corresponding with the IMSI of terminal, the ECGI of the base station corresponding with the IMSI of terminal or IP address and with the S-GW of base station corresponding to the IMSI of terminal or IP address.When source MME is according to object IP address lookup first user data and judge while whether there is the list item that comprises object IP address in first user data, if the IP address in a certain list item in first user data is identical with object IP address, can determine in first user data and to have the list item that comprises object IP address, now, source MME continues to search the ECGI of base station corresponding with object IP address in this list item, and the ECGI of the base station corresponding with object IP address is back to MCC as the second response message of the second addressing request message, thereby make MCC can determine according to the ECGI of the ECGI of source base station and object base station the send mode of source base station and object base station.
In the present embodiment, in the second addressing request message that MCC sends to source MME, can also comprise the IMSI of source terminal, when source MME is according to object IP address lookup first user data and judge while whether there is the list item that comprises object IP address in first user data, if the IP address in each list item in first user data is all not identical with object IP address, can determine and in first user data, not have the list item that comprises object IP address, now, source MME is according to the list item corresponding with the IMSI of source terminal in the IMSI inquiry first user data of source terminal, and in this list item, search the source S-GW corresponding with source base station, then send the 3rd addressing request message to source S-GW, described the 3rd addressing request message comprises IMSI and the object IP address of source terminal.After source S-GW receives the 3rd addressing request message, the first default address correspondence of inquiry is shown, in described the first corresponding table in address, many list items be can comprise, P-GW that the IMSI of IMSI, terminal of terminal is corresponding and the MME corresponding to IMSI of terminal wherein in every list item, can be comprised.Source S-GW searches the list item corresponding with the IMSI of source terminal according to the IMSI of source terminal in the corresponding table in the first address, and send the 4th addressing request message to P-GW corresponding with the IMSI of source terminal in this list item, in described the 4th addressing request message, can comprise IMSI and the object IP address of source terminal.After P-GW receives the 4th addressing request message, the second default address correspondence of inquiry is shown, in described the second corresponding table in address, can comprise many list items, wherein in every list item, can comprise the IMSI of terminal, the IP address corresponding with the IMSI of terminal and with the IMSI of terminal or S-GW corresponding to IP address.P-GW shows and judges in the corresponding table in the second address whether have the list item that comprises object IP address according to object IP address lookup the second address is corresponding, if there is not the list item that comprises object IP address in the corresponding table in the second address, P-GW returns to sky Query Result to MCC step by step according to above-mentioned inverse process, MCC can return to according to empty Query Result the first response message that comprises that the send mode of described source base station and described object base station is non-straight-through transmission to source base station, so that source base station adopts traditional approach that packet is forwarded to object base station by wireless access network and core net.
If the IP address in a certain list item of the corresponding table in the second address is identical with object IP address, can determine in the corresponding table in the second address and have the list item that comprises object IP address, now, P-GW continues to search the IMSI of object terminal corresponding with object IP address in this list item and corresponding object S-GW, and sending the 5th addressing request message to object S-GW, described the 5th addressing request message comprises the IMSI of object terminal.In the present embodiment, in object S-GW, storing the corresponding table in the 3rd address, the corresponding table in described the 3rd address has identical form with the corresponding table in the first address in described source S-GW, object S-GW receives after the 5th addressing request message, the inquiry object MME corresponding with the IMSI of object terminal in the corresponding table in the 3rd address of object S-GW, and sending the 6th addressing request message to object MME, described the 6th addressing request message comprises the IMSI of object terminal.In object MME, storing the second user data, described the second user data has identical form with the first user data in described source MME, object MME receives after the 6th addressing request message, in the second user data of object MME, inquire about the ECGI of the object base station corresponding with the IMSI of object terminal, and using the ECGI of the object base station corresponding with the IMSI of object terminal as the second response message, be back to step by step MCC according to above-mentioned inverse process, thereby make MCC can determine according to the ECGI of the ECGI of source base station and object base station the send mode of source base station and object base station.
In above-mentioned arbitrary embodiment, MCC determines the send mode of source base station and object base station according to the ECGI of the ECGI of source base station and object base station, specifically can comprise: MCC divides table according to the default straight-through region of the ECGI inquiry of the ECGI of source base station and object base station, in described straight-through region division table, can comprise multiple straight-through regions, and each straight-through region can comprise again at least two ECGI, if the ECGI of the ECGI that Query Result is source base station and object base station belongs in same straight-through region, MCC can determine that the send mode of source base station and object base station sends for straight-through, otherwise the send mode that can determine source base station and object base station is non-straight-through transmission.And send and comprise the first response message of the send mode of source base station and object base station and the ECGI of object base station to source base station, thereby make can set up with the straight-through tunnel of object base station and by packet and send to object base station by straight-through tunnel according to the ECGI of object base station in the time that source base station determines that send mode is straight-through transmission, and then improved data transmission efficiency.
The signaling process schematic diagram of a kind of data transmission method that Fig. 3 provides for the embodiment of the present invention three, as shown in Figure 3, described data transmission method can comprise:
Step 302, source base station receives packet, transmits according to pre-stored first this locality in base station of object IP address lookup;
, there is not the list item that comprises object IP address in step 303, source base station sends the first addressing request message to MCC in transmit first this locality, and described the first addressing request message comprises ECGI and the object IP address of source base station;
In the present embodiment, source base station sends the IMSI that can also carry source terminal in the first addressing request message to MCC.When the list item that middle existence comprises object IP address is transmitted in first this locality, and the send mode corresponding with object IP address sends for straight-through in list item, source base station by packet by sending to object base station with the straight-through tunnel of the corresponding source base station in object IP address and object base station; When the list item that middle existence comprises object IP address is transmitted in first this locality, and in list item, the send mode corresponding with object IP address is non-straight-through transmission, and source base station forwards by wireless access network and core net packet to object base station.
Step 304, MCC receives the first addressing request message, and sends the second addressing request message to the source MME corresponding with the ECGI of source base station, and described the second addressing request message comprises the IMSI of object IP address and source terminal;
Step 305, MME receives the second addressing request message, according to the ECGI that whether has the object base station corresponding with object IP address in object IP address lookup first user data;
Step 306, if there is not the ECGI of the object base station corresponding with object IP address in first user data, MME sends the 3rd addressing request message to the source S-GW of source base station, described the 3rd addressing request message comprises IMSI and the object IP address of source terminal;
In the present embodiment, if there is the ECGI of the object base station corresponding with object IP address in first user data, MME is back to MCC by the second response message of the ECGI that comprises the object base station corresponding with object IP address, so that MCC determines the send mode of source base station and object base station according to the ECGI of the ECGI of source base station and object base station.
Step 307, source S-GW receives the 3rd addressing request message, and the P-GW transmission four addressing request message corresponding with the IMSI of source terminal, can comprise IMSI and the object IP address of source terminal in described the 4th addressing request message;
Step 308, P-GW receives the 4th addressing request message, and whether inquiry exists the IP address identical with object IP address in the corresponding table in the second address;
Step 309, if there is object IP address in the corresponding table in the second address, P-GW sends the 5th addressing request message to the object S-GW corresponding with object IP address, described the 5th addressing request message comprises the IMSI of object terminal;
In the present embodiment, if there is not object IP address in the corresponding table in the second address, P-GW returns to sky Query Result to MCC step by step according to above-mentioned inverse process, so that MCC determines the send mode of source base station and object base station according to the ECGI of source base station and empty Query Result.
Step 310, object S-GW receives the 5th addressing request message, and sends the 6th addressing request message to the object MME corresponding with the IMSI of object terminal, and described the 6th addressing request message comprises the IMSI of object terminal;
Step 311, object MME receives the 6th addressing request message, in the second user data, inquire about the ECGI of corresponding object base station according to the IMSI of object terminal, and the ECGI of object base station is back to MCC as the second response message step by step according to above-mentioned inverse process;
Step 312, MCC determines the send mode of source base station and object base station according to the ECGI of the ECGI of object base station and source base station, and sends to source base station the first response message that comprises the send mode of source base station and object base station and the ECGI of object base station;
In the present embodiment, MCC also can send to object base station the 3rd response message that comprises source base station and the send mode of object base station and the ECGI of source base station.
Step 313, source base station receives the first response message, the ECGI of the send mode of source base station and object base station, object IP address and object base station is kept at accordingly in a list item of transmitting first this locality;
Step 314, source base station is set up the straight-through tunnel between object base station according to the ECGI of the straight-through send mode in the first response message and object base station, and sends packet to object base station by straight-through tunnel;
Step 315, object base station receives packet, and packet is sent to object terminal;
In the present embodiment, in object base station, can store second this locality transmits, its form is transmitted identical with first this locality of source base station, object base station can also receive the 3rd response message that MCC sends, thereby during transmit second this locality that object base station is received also can be stored in the information of carrying in the 3rd response message as one article of list item after the 3rd response message object base station, and then make object base station in this communication in next time communication during as source base station, also can carry out the straight-through transmission between base station according to the data transmission method shown in above-mentioned Fig. 1.
The structural representation of a kind of base station that Fig. 4 provides for the embodiment of the present invention four, as shown in Figure 4, described base station can comprise:
The first receiver module 401, the packet sending to object terminal for reception sources terminal, described packet carries object IP address;
The first sending module 402, for transmitting according to described object IP address lookup this locality, if there is not the list item that comprises described object IP address in transmitting in described this locality, send the first addressing request message to management control center MCC, described the first addressing request message comprises evolution wireless access system cellular global identity ECGI and the object IP address of described source base station, so that MCC is according to the ECGI of described object IP address acquisition object base station, and determine the send mode of described source base station and described object base station according to the ECGI of the ECGI of described source base station and described object base station,
The second receiver module 403, the first response message returning according to described the first addressing request message for receiving described MCC, described the first response message comprises the ECGI of the send mode of described source base station and described object base station, described object base station;
The second sending module 404, for sending described packet according to the ECGI of the described send mode of the first addressing request message and described object base station to described object base station, so that described Packet Generation is given described object terminal by described object base station.
Further, above-mentioned base station can also comprise:
The 3rd sending module 406, if be straight-through transmission for send mode corresponding to described object IP address, described packet is sent to described object base station by the straight-through tunnel between described source base station and object base station, so that described Packet Generation is given described object terminal by described object base station; If send mode corresponding to described object IP address is non-straight-through transmission, described packet is sent to the gateway S-GW of described source base station, so that described S-GW by described packet to described object base station forward, and then make described object base station by described Packet Generation give described object terminal.
Further, above-mentioned base station can also comprise:
Concrete, the second sending module 404 specifically can be for:
If the send mode of described source base station and described object base station is non-straight-through transmission, described packet is sent to the gateway S-GW of described source base station, so that described S-GW forwards described packet to described object base station; Or
If the send mode of described source base station and described object base station sends for straight-through, determine according to the ECGI of described object base station whether described this locality exists the list item corresponding with the ECGI of described object base station in transmitting;
If exist, determine according to the ECGI of described object base station the straight-through tunnel of having set up between described source base station and described object base station, if do not exist, set up the straight-through tunnel between described object base station according to the ECGI of described object base station;
Described packet is sent to described object base station by described straight-through tunnel.
The base station of the present embodiment can be for the technical scheme of embodiment of the method shown in execution graph 1, and it realizes principle and technique effect is similar, repeats no more herein.
The structural representation of a kind of management control center that Fig. 5 provides for the embodiment of the present invention five, as shown in Figure 5, described management control center MCC can comprise:
Send mode determination module 503, for determining the send mode of source base station and described object base station according to the ECGI of the ECGI of source base station and described object base station;
Sending module 504, for carrying the ECGI of object base station and the first response message of send mode sends to source base station, so that set up with the straight-through tunnel of object base station, packet is sent to object base station by leading directly to tunnel according to the ECGI of object base station in the time that source base station determines that send mode is straight-through transmission.
Particularly, address acquisition module 502 may further include:
Transmitting element 505, for sending the second addressing request message to source MME, described the second addressing request message comprises object IP address, so that source MME is according to the evolution wireless access system cellular global identity ECGI of the object IP address lookup object base station corresponding with object IP address;
Receiving element 506, the second response message returning according to the second addressing request message for receiving MME, described the second response message comprises the ECGI of object base station corresponding to object IP address.
Particularly, send mode determination module 503 specifically can be for: divide table according to the straight-through region that the ECGI inquiry of the ECGI of source base station and object base station is default, if the ECGI of the ECGI of source base station and object base station belongs in same straight-through region, determine that the send mode of source base station and object base station sends for straight-through; Otherwise the send mode of determining source base station and object base station is non-straight-through transmission.
The management control center of the present embodiment can be for the technical scheme of embodiment of the method shown in execution graph 2, and it realizes principle and technique effect is similar, repeats no more herein.
The structural representation of a kind of data transmission system that Fig. 6 provides for the embodiment of the present invention six, as shown in Figure 6, described data transmission system can comprise: the management control center 602 providing in embodiment corresponding to the base station 601 providing in embodiment corresponding to above-mentioned Fig. 4 and above-mentioned Fig. 5.Wherein, the detailed description of base station 601 can be referring to the related content in embodiment corresponding to Fig. 4, and the detailed description of management control center 602 can, referring to the related content in embodiment corresponding to Fig. 5, repeat no more herein.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of program command.Aforesaid program can be stored in a computer read/write memory medium.This program, in the time carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (15)
1. a data transmission method, is characterized in that, comprising:
The packet that source base station reception sources terminal sends to object terminal, described packet carries object IP address;
Described source base station is transmitted according to described object IP address lookup this locality, if there is not the list item that comprises described object IP address in transmitting in described this locality, described source base station sends the first addressing request message to management control center MCC, described the first addressing request message comprises evolution wireless access system cellular global identity ECGI and the object IP address of described source base station, so that MCC is according to the ECGI of described object IP address acquisition object base station, and determine the send mode of described source base station and described object base station according to the ECGI of the ECGI of described source base station and described object base station,
Described source base station receives the first response message that described MCC returns according to described the first addressing request message, and described the first response message comprises the ECGI of the send mode of described source base station and described object base station, described object base station;
Described source base station sends described packet according to the ECGI of described send mode and described object base station to described object base station, so that described Packet Generation is given described object terminal by described object base station.
2. method according to claim 1, is characterized in that, also comprises:
If the list item that middle existence comprises described object IP address is transmitted in described this locality, search send mode corresponding to the address of object IP described in described list item;
If send mode corresponding to described object IP address is straight-through transmission, described source base station sends by the straight-through tunnel between described source base station and object base station described packet to described object base station, so that described Packet Generation is given described object terminal by described object base station; If send mode corresponding to described object IP address is non-straight-through transmission, described source base station sends described packet to the gateway S-GW of described source base station, so that described S-GW by described packet to described object base station forward, and then make described object base station by described Packet Generation give described object terminal.
3. method according to claim 1 and 2, is characterized in that, described source base station also comprises after receiving the first response message that described MCC returns according to described the first addressing request message:
Described source base station is kept at the ECGI of the send mode of described source base station and described object base station, described object IP address and described object base station in a list item of transmitting described this locality accordingly.
4. method according to claim 3, is characterized in that, described source base station sends described packet according to the ECGI of described send mode and described object base station to described object base station, specifically comprises:
If the send mode of described source base station and described object base station is non-straight-through transmission, described source base station sends described packet to the S-GW of described source base station, so that described S-GW forwards described packet to the object base station corresponding with the ECGI of described object base station; Or
If the send mode of described source base station and described object base station sends for straight-through, described source base station determines according to the ECGI of described object base station whether described this locality exists the list item corresponding with the ECGI of described object base station in transmitting;
If exist, described source base station is determined the straight-through tunnel of having set up between described source base station and described object base station according to the ECGI of described object base station, otherwise described source base station is set up the straight-through tunnel between described object base station according to the ECGI of described object base station;
Described source base station sends by described straight-through tunnel described packet to described object base station.
5. a data transmission method, is characterized in that, comprising:
The first addressing request message that management control center MCC reception sources base station sends, described the first addressing request message is that described source base station receives that source terminal sends after the packet of object terminal transmission, and described the first addressing request message comprises the evolution wireless access system cellular global identity ECGI of described source base station and the object IP address of described packet;
Described MCC is according to the ECGI of described object IP address acquisition object base station;
Described MCC determines the send mode of described source base station and described object base station according to the ECGI of the ECGI of described source base station and described object base station;
Described MCC will carry the ECGI of described object base station and the first response message of described send mode sends to described source base station, so that set up with the straight-through tunnel of described object base station, described packet is sent to described object base station by described straight-through tunnel according to the ECGI of described object base station in the time that described source base station determines that described send mode is straight-through transmission.
6. method according to claim 5, is characterized in that, described MCC, according to the ECGI of described object IP address acquisition object base station, specifically comprises:
Described MCC sends the second addressing request message to the Mobility Management Entity MME corresponding with the ECGI of source base station, described the second addressing request message comprises described object IP address, so that described MME is according to the evolution wireless access system cellular global identity ECGI of the described object IP address lookup object base station corresponding with described object IP address;
Described MCC receives the second response message that described MME returns according to described the second addressing request message, and described the second response message comprises the ECGI of object base station corresponding to described object IP address.
7. according to the method described in claim 5 or 6, it is characterized in that, the described ECGI according to the ECGI of described source base station and described object base station determines the send mode of described source base station and described object base station, is specially:
Described MCC divides table according to the default straight-through region of the ECGI inquiry of the ECGI of described source base station and described object base station, if the ECGI of the ECGI of described source base station and described object base station belongs in same straight-through region, determine that the send mode of described source base station and described object base station sends for straight-through; Otherwise the send mode of determining described source base station and described object base station is non-straight-through transmission.
8. a base station, is characterized in that, comprising:
The first receiver module, the packet sending to object terminal for reception sources terminal, described packet carries object IP address;
The first sending module, for transmitting according to described object IP address lookup this locality, if there is not the list item that comprises described object IP address in transmitting in described this locality, send the first addressing request message to management control center MCC, described the first addressing request message comprises evolution wireless access system cellular global identity ECGI and the object IP address of described source base station, so that MCC is according to the ECGI of described object IP address acquisition object base station, and determine the send mode of described source base station and described object base station according to the ECGI of the ECGI of described source base station and described object base station,
The second receiver module, the first response message returning according to described the first addressing request message for receiving described MCC, described the first response message comprises the ECGI of the send mode of described source base station and described object base station, described object base station;
The second sending module, for sending described packet according to the ECGI of the described send mode of the first addressing request message and described object base station to described object base station, so that described Packet Generation is given described object terminal by described object base station.
9. base station according to claim 8, is characterized in that, also comprises:
Enquiry module, if transmit for described this locality the list item that existence comprises described object IP address, searches send mode corresponding to the address of object IP described in described list item;
The 3rd sending module, if be straight-through transmission for send mode corresponding to described object IP address, described packet is sent to described object base station by the straight-through tunnel between described source base station and object base station, so that described Packet Generation is given described object terminal by described object base station; If send mode corresponding to described object IP address is non-straight-through transmission, described packet is sent to the gateway S-GW of described source base station, so that described S-GW by described packet to described object base station forward, and then make described object base station by described Packet Generation give described object terminal.
10. base station according to claim 8 or claim 9, is characterized in that, also comprises:
Memory module, for by the send mode of described source base station and described object base station, described object IP address with described object IP address, the ECGI of corresponding object base station is kept at the list item that transmit described this locality accordingly.
11. base stations according to claim 10, is characterized in that, described the second sending module specifically for:
If the send mode of described source base station and described object base station is non-straight-through transmission, described packet is sent to the gateway S-GW of described source base station, so that described S-GW forwards described packet to described object base station; Or
If the send mode of described source base station and described object base station sends for straight-through, determine according to the ECGI of described object base station whether described this locality exists the list item corresponding with the ECGI of described object base station in transmitting;
If exist, determine according to the ECGI of described object base station the straight-through tunnel of having set up between described source base station and described object base station, if do not exist, set up the straight-through tunnel between described object base station according to the ECGI of described object base station;
Described packet is sent to described object base station by described straight-through tunnel.
12. 1 kinds of management control centers, is characterized in that, comprising:
Receiver module, the the first addressing request message sending for reception sources base station, described the first addressing request message is that described source base station receives that source terminal sends after the packet of object terminal transmission, and described the first addressing request message comprises the evolution wireless access system cellular global identity ECGI of described source base station and the object IP address of described packet;
Address acquisition module, for according to the ECGI of described object IP address acquisition object base station;
Send mode determination module, for determining the send mode of described source base station and described object base station according to the ECGI of the ECGI of described source base station and described object base station;
Sending module, for carrying the ECGI of described object base station and the first response message of described send mode sends to described source base station, so that set up according to the ECGI of described object base station in the time that described source base station determines that described send mode is straight-through transmission and the straight-through tunnel of described object base station, described packet is sent to described object base station by described straight-through tunnel.
13. management control centers according to claim 12, is characterized in that, described address acquisition module comprises:
Transmitting element, for sending the second addressing request message to the Mobility Management Entity MME corresponding with the ECGI of source base station, described the second addressing request message comprises described object IP address, so that described MME is according to the evolution wireless access system cellular global identity ECGI of the described object IP address lookup object base station corresponding with described object IP address;
Receiving element, the second response message returning according to described the second addressing request message for receiving described MME, described the second response message comprises the ECGI of object base station corresponding to described object IP address.
14. according to the management control center described in claim 12 or 13, it is characterized in that, described send mode determination module specifically for:
Divide table according to the straight-through region that the ECGI inquiry of the ECGI of described source base station and described object base station is default, if the ECGI of the ECGI of described source base station and described object base station belongs in same straight-through region, determine that the send mode of described source base station and described object base station sends for straight-through; Otherwise the send mode of determining described source base station and described object base station is non-straight-through transmission.
15. 1 kinds of data transmission systems, is characterized in that, comprising: the base station as described in claim 8～11 any one and the management control center as described in claim 12～14 any one.
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