CN101715209A - Method and system for multilink transmission data - Google Patents
Method and system for multilink transmission data Download PDFInfo
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- CN101715209A CN101715209A CN200910178355A CN200910178355A CN101715209A CN 101715209 A CN101715209 A CN 101715209A CN 200910178355 A CN200910178355 A CN 200910178355A CN 200910178355 A CN200910178355 A CN 200910178355A CN 101715209 A CN101715209 A CN 101715209A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
Abstract
The invention discloses a method and a system for multilink transmission data, and belongs to the field of communication. The method comprises the following steps that: an initiating direction receiver applied by service sends a multilink transmission data request used for requesting the receiver to simultaneously transmit service data of the service through a plurality of links, wherein the multilink transmission data request carries identification information of the plurality of network links of initiator request transmission data; when the receiver receives the multilink transmission data request and accepts the multilink transmission data request, an initiator negotiates with the receiver about transmission rules of the multilink transmission data; and the initiator and the receiver transmit data applied by the transmission service according to the negotiated transmission rules after finishing the negotiation. The technical scheme effectively uses access capability of a terminal and obviously increases the speed of service data transmission.
Description
Technical field
The invention belongs to the communications field, particularly a kind of method and system of multilink transmission data.
Background technology
When existing portable terminal and server carried out data service, its framework as shown in Figure 1.By inserting a Radio Access Network, portable terminal has been set up transmission link L1 with server, and portable terminal is by this link-access server S, and just portable terminal and server carry out data transmit-receive by this link.The speed of swap data between portable terminal and the server depends on the bandwidth of this link.
The Internet growing makes moving communicating field also extensively adopt the IP transmission technology.That is to say the data between server and the portable terminal, be packaged into the IP data and transmit; Server and portable terminal all use the IP address of unified distribution to position; Transmission link between server and the portable terminal, then with source IP address, purpose IP address, source port number, the four-tuple of destination slogan form is as the identifier of transmission link.
Development along with wireless technology, various wireless access technologys (being called for short RAT) are arisen at the historic moment, the Radio Access Network that uses these wireless access technologys is also at widespread deployment, may be coated with a plurality of Radio Access Networks at the three unities, so also just might be by multiple wireless access technology access server.On the other hand, in order to utilize the ability of a plurality of wireless networks, in the wireless access technology aspect, multimode terminal has appearred, just a portable terminal is supported a plurality of wireless access technologys simultaneously, thereby the ability that inserts a plurality of wireless networks simultaneously is provided for this user, like this, makes transmission plan shown in Figure 2 become possibility.In Fig. 2, multimode terminal utilizes two kinds of access waies and network to activate two transmission link L1 and L2 simultaneously respectively.By these two links can with the server exchange data, but,, can only carry out the business datum exchange between multimode terminal and the server by a link in these two links for same business, at this moment, this professional transfer of data bandwidth that can only utilize this wireless network to provide.Even portable terminal has been set up a plurality of connections by a plurality of networks, traditional data service also can't rational distribute data be transmitted in these a plurality of connections.
Summary of the invention
The technical problem to be solved in the present invention is a kind of method and system of multilink transmission data to be provided, thereby to make multimode terminal can use a plurality of wireless access transmission links to carry out the transfer of data of same business.
In order to address the above problem, the invention discloses a kind of method of multilink transmission data, be applicable to the process of carrying out a certain service application between the multi-module mobile terminal that establishes many network linkings and the service server, this method comprises:
The initiator of described service application sends the multilink transmission data request to the recipient, be used to ask the recipient to transmit this professional business datum simultaneously by a plurality of links, wherein, carry the identification information of a plurality of network linkings of described initiator's request data transfer in the described multilink transmission data request;
When described recipient receives described multilink transmission data request, and when accepting described multilink transmission data request, described initiator and described recipient consult the transmission rule of multilink transmission data, and after negotiation was finished, described initiator and recipient were transmitted the data of described service application according to the transmission rule of being consulted.
Further, in the said method, described initiator and recipient are according to the transmission rule of the bandwidth negotiation multilink transmission data of each link of request data transfer, and wherein, the bandwidth of each link of request data transfer is directly proportional with the data volume of its transmitting data in the transmission rule of being consulted.
Wherein, described initiator and recipient refer to according to the data that the transmission rule of being consulted transmits described service application:
Described recipient is divided into a plurality of transmits data packets according to described transmission rule with a business data packet, and a plurality of links that a plurality of transmits data packets after will cutting apart are passed through the transmission data of being asked send to described initiator, wherein, comprise identical identification information in the packet header of a plurality of transmits data packets of being divided into of same business data packet;
Described initiator, on a plurality of links of the transmission data of being asked, receive described transmits data packets, resolve the packet header of the transmits data packets that receives, therefrom obtain identification information, and the transmits data packets that will have same identification information is spliced into a complete business data packet, handles.
After described recipient receives described multilink transmission data request, when the identification information of the network linking in the described multilink transmission data request of further checking is effective, just accept described multilink transmission data request.
The identification information of described network linking adopts source IP address, purpose IP address, source port number, the quadruple form of destination slogan.
The invention also discloses a kind of system of multilink transmission data, be applied to establish the scene of carrying out a certain service application between the multi-module mobile terminal of many network linkings and the service server, this system comprises Business Initiator and recipient, wherein:
The Business Initiator, be used for when described recipient initiates a certain service application, send the multilink transmission data request to described recipient, be used to ask the recipient to transmit this professional business datum simultaneously by a plurality of links, wherein, carry the identification information of a plurality of network linkings of described initiator's request data transfer in the described multilink transmission data request, and the transmission rule that is used for consulting multilink transmission data, and transmit the data of described service application according to the transmission rule of being consulted with described recipient;
Described recipient, be used to receive described multilink transmission data request, and consult the transmission rule of multilink transmission data with described Business Initiator, and after consulting to finish, transmit the data of described service application according to the transmission rule of being consulted with described Business Initiator.
Further, in the said system, described initiator and recipient are according to the transmission rule of the bandwidth negotiation multilink transmission data of each link of request data transfer, and wherein, the bandwidth of each link of request data transfer is directly proportional with the data volume of its transmitting data in the transmission rule of being consulted.
Wherein, described recipient, be used for a business data packet being divided into a plurality of transmits data packets according to described transmission rule, and a plurality of links that a plurality of transmits data packets after will cutting apart are passed through the transmission data of being asked send to described initiator, wherein, comprise identical identification information in the packet header of a plurality of transmits data packets of being divided into of same business data packet;
Described initiator, be used on a plurality of links of the transmission data of being asked, receiving described transmits data packets, resolve the packet header of the transmits data packets that receives, therefrom obtain identification information, and the transmits data packets that will have same identification information is spliced into a complete business data packet, handles.
Described recipient, after receiving described multilink transmission data request, also be used for verifying the validity of identification information of the network linking of described multilink transmission data request, only when the identification information of described network linking is effective, just accept described multilink transmission data request.
The identification information of described network linking adopts source IP address, purpose IP address, source port number, the quadruple form of destination slogan.
Adopt technical scheme of the present invention, can make multi-module mobile terminal realize multilink transmission data, be that portable terminal can be in the process of a business of consumption, the bandwidth of utilizing two wireless networks to provide is simultaneously transmitted this professional data, thereby the access capability that effectively utilizes terminal and had, significantly improve the speed that business datum transmits, and improve user experience.
Description of drawings
Fig. 1 is the network architecture schematic diagram that existing portable terminal and server carry out data traffic transmission;
Fig. 2 is that existing multimode terminal utilizes two kinds of access waies to activate the schematic diagram that two transmission links carry out transfer of data simultaneously;
Fig. 3 is the structural representation of business data packet and transmits data packets in the present embodiment;
Fig. 4 is the flow chart of multilink transmission data in the present embodiment.
Embodiment
Core concept of the present invention is: multimode terminal can be set up service link L1 as primary link (being the service link L1 on the N1) by an access network N1 and service server Server, and set up service link L2 conduct by another access network N2 and service server Server and assist link (being the service link L2 on the N2), be that in fact multimode terminal has plural transmission link to exist simultaneously, wherein, multi-module mobile terminal carries out the negotiation of multilink transmission data at primary link L1 and service server Server, and promptly multi-module mobile terminal and service server are consulted the transmission rule of multilink transmission data.After negotiation was finished, portable terminal and server carried out transfer of data according to the transmission rule of consulting and get final product.
Below in conjunction with drawings and the specific embodiments technical solution of the present invention is described in further detail.
A kind of system that realizes multilink transmission data is applied to establish the scene of carrying out a certain service application between the multi-module mobile terminal of many network linkings and the service server, and this system comprises Business Initiator and recipient.Wherein, multi-module mobile terminal can be used as Business Initiator or recipient, and same, service server also can be used as recipient or Business Initiator.
Introduce the function of each several part below.
The Business Initiator, be used for when the recipient initiates a certain service application, send the multilink transmission data request to the recipient, be used to ask the recipient to transmit this professional business datum simultaneously by a plurality of links, and the transmission rule that is used for consulting multilink transmission data, and transmit the data of described service application according to the transmission rule of being consulted with the recipient;
Wherein, carry the identification information of a plurality of network linkings of initiator's request data transfer in the multilink transmission data request, the identification information of network linking can adopt source IP address, purpose IP address, source port number, the quadruple form of destination slogan.
The recipient is used to receive the multilink transmission data request, and consults the transmission rule of multilink transmission data with the Business Initiator, and after consulting to finish, and transmits the data of described service application according to the transmission rule of being consulted with the Business Initiator;
Wherein, Business Initiator and recipient consult the transmission rule of multilink transmission data according to the bandwidth of each link of request data transfer, concrete, the bandwidth of each link of request data transfer can be directly proportional with the data volume of its transmitting data in the transmission rule of being consulted; And for the business that comprises bidirectional data transfers, Business Initiator and recipient need consult two transmission rules in the transmission direction, and the transmission rule in these two transmission directions can be identical or different.
In the present embodiment, after Business Initiator and recipient consult the transmission rule of multilink transmission data, the recipient is divided into a plurality of transmits data packets according to the transmission rule of consulting with a business data packet, and a plurality of links that a plurality of transmits data packets after will cutting apart are passed through the transmission data of being asked send to the Business Initiator, wherein, comprise identical identification information in the packet header of a plurality of transmits data packets of being divided into of same business data packet;
The Business Initiator, on a plurality of links of the transmission data of being asked, receive above-mentioned transmits data packets, resolve the packet header of the transmits data packets that receives, therefrom obtain identification information, and the transmits data packets that will have same identification information is spliced into a complete business data packet, handles.
In the preferred embodiment, the recipient, receive described multilink transmission data request after, also be used for verifying the validity of identification information of the network linking of multilink transmission data request, only when the identification information of network linking is effective, just accept described multilink transmission data request.
Introduce the process that said system realizes multilink transmission data below in conjunction with concrete application scenarios.
Carrying out the music download business on the dual-mode terminal of present embodiment with a support EDGE and TDSCDMA is example, and the process that realizes multilink transmission data between this portable terminal and the music download service device is described, as shown in Figure 4, may further comprise the steps:
Step 400: music download service device (the IP address is IPAddrS) is monitored two ports of self, P1 port and P2 port, and wherein, the P1 port is main transmission link port, the P2 port is auxiliary transmission link port;
Wherein, P1 and P2 port are determined good in advance by service provider and are passed through to the terminal traffic developer.
Step 401: portable terminal is at first initiated PDP activation on EDGE network, set up wireless transmission link, obtains the IP address ip Addr1 on the EDGE network; On the TDSCDMA network, initiate PDP activation then, set up wireless transmission link, obtain the IP address ip Addr2 on the TDSCDMA network;
At other application scenarioss, portable terminal also can be initiated PDP activation earlier on the TDSCDMA network, initiate PDP activation again on EDGE network, and promptly portable terminal can be determined by user oneself to the order of heterogeneous networks initiation PDP activation.
Step 402: portable terminal passes through IPAddr1, sets up with the P1 port of music download service device and links L1, determines the identifier information of this link, and simultaneously, the music download service device is preserved the identifier information of this link L1;
Step 403: portable terminal passes through IPAddr2, sets up with the P2 port of music download service device and links L2, determines the identifier information of this link, and simultaneously, the music download service device is preserved the identifier information of this link L2;
The identifier of determined link can adopt source IP address in the above-mentioned steps 402 and 403, purpose IP address, source port number, the quadruple form of destination slogan, for example, in the present embodiment, the identifier of L1 link is (IPAddr1, Px, IPAddrS, P1), wherein, Px is the port numbers of being distributed voluntarily by terminal; The identifier of L2 link be (IPAddr2, Px, IPAddrS, P2), wherein, Py is the port numbers of being distributed voluntarily by terminal.
Step 404: portable terminal sends the multilink transmission data request to server on L1, and this multilink transmission data request is an IP message, and the information (being the identifier information of L2) of L2 is contained in the inside;
Step 405: the music download service device receives after the multiplexing request message of above-mentioned link, and is effective through the L2 identifier among the demonstration validation L1, then sends the multiplexing message that requests for permission to portable terminal;
In this step, when the identifier information (be the identifier information of the current all link of having set up and as yet not discharging) of music download service device according to the link of self preserving, when the link of judgement L1 and these two identifier signs of L2 has been set up, verify that promptly the L2 identifier among the L1 is effective; Otherwise it is then invalid.
Step 406: portable terminal receives multilink transmission data that the music download service device sends and requests for permission after the message, send the multilink configuration request message to the music download service device to consult the transmission rule of multilink transmission data;
In this step, in the multilink configuration request message that portable terminal sends, comprise the specified transmission rule when the enterprising line data of these two links (L1 and L2) transmits of portable terminal, particularly, portable terminal can be determined transmission rule according to the bandwidth of L1 and L2 link, for example, the bandwidth of each bar link can be directly proportional with the data volume of its transmitting data in the transmission rule, the i.e. bandwidth ratio EDGE bandwidth height of TDSCDMA traditionally, then the transmission rule of Que Dinging can be, the music download service device sends to portable terminal with 70% data by L2, and the data with 30% send to portable terminal by L1;
In other application scenarioss, also can send the multilink configuring request to consult the transmission rule of transmission data to portable terminal by application server, promptly, adopt unified transmission rule to get final product as long as portable terminal and application server both sides are consensus.
Step 407: the music download service device receives the multilink configuration request message, therefrom obtains the transmission rule of mobile terminal request, and beginning is carried out the transmission of business datum according to this transmission rule;
Because what relate in the present embodiment is the music download business, in this business transmission course, if data owner sends to portable terminal from the music download service device, therefore, when sending data, each business data packet of music download business application, all should be divided into two transmits data packets according to 3: 7 ratio, add identical identification information (as identical sequence number) on the packet header of two transmits data packets after cutting apart, send to portable terminal by L1 and L2 link respectively then, like this, after portable terminal is received transmits data packets by L1 and L2 link, the packet header of resolving each transmits data packets obtains the identification information of each transmits data packets, and the transmits data packets that will have identical identification information matches, and two transmits data packets of successful matching are spliced into a complete business data packet, and the upper level applications that is transmitted to portable terminal is again handled, wherein, the structure of business data packet and transmits data packets as shown in Figure 3.
In other application scenarioss, for the business that comprises bidirectional data transfers, promptly not only service server transmits data to portable terminal, also need portable terminal when service server transmission data, at portable terminal on the direction of Server Transport data, also can carry out the multilink transmission, concrete transmission rule can be by portable terminal and server negotiate (for example, the transmission rule of bidirectional data transfers adopts identical or different transmission rules).
Also have among some embodiment, multi-module mobile terminal may be set up with the service application service device by plural heterogeneous networks and link, at this moment, can transmit the data of same business between multi-module mobile terminal and the service application service by plural link simultaneously, wherein, the initiator of service application also is not limited to multi-module mobile terminal, also can be the service application service device.
From the foregoing description as can be seen, technical solution of the present invention make the user at multi-module radio terminal (as CDMA+WiFi, TD-SCDMA+WiFi+EDGE) on, utilize multiple wireless link transmission one tunnel business datum, thereby make full use of Radio Access Network, strengthen the bandwidth of business datum, promote user experience.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the method for a multilink transmission data is applicable to the process of carrying out a certain service application between the multi-module mobile terminal that establishes many network linkings and the service server, it is characterized in that this method comprises:
The initiator of described service application sends the multilink transmission data request to the recipient, be used to ask the recipient to transmit this professional business datum simultaneously by a plurality of links, wherein, carry the identification information of a plurality of network linkings of described initiator's request data transfer in the described multilink transmission data request;
When described recipient receives described multilink transmission data request, and when accepting described multilink transmission data request, described initiator and described recipient consult the transmission rule of multilink transmission data, and after negotiation was finished, described initiator and recipient were transmitted the data of described service application according to the transmission rule of being consulted.
2. the method for claim 1 is characterized in that,
Described initiator and recipient are according to the transmission rule of the bandwidth negotiation multilink transmission data of each link of request data transfer, and wherein, the bandwidth of each link of request data transfer is directly proportional with the data volume of its transmitting data in the transmission rule of being consulted.
3. method as claimed in claim 2 is characterized in that,
Described initiator and recipient refer to according to the data that the transmission rule of being consulted transmits described service application:
Described recipient is divided into a plurality of transmits data packets according to described transmission rule with a business data packet, and a plurality of links that a plurality of transmits data packets after will cutting apart are passed through the transmission data of being asked send to described initiator, wherein, comprise identical identification information in the packet header of a plurality of transmits data packets of being divided into of same business data packet;
Described initiator, on a plurality of links of the transmission data of being asked, receive described transmits data packets, resolve the packet header of the transmits data packets that receives, therefrom obtain identification information, and the transmits data packets that will have same identification information is spliced into a complete business data packet, handles.
4. as claim 1,2 or 3 described methods, it is characterized in that,
After described recipient receives described multilink transmission data request, when the identification information of the network linking in the described multilink transmission data request of further checking is effective, just accept described multilink transmission data request.
5. method as claimed in claim 4 is characterized in that,
The identification information of described network linking adopts source IP address, purpose IP address, source port number, the quadruple form of destination slogan.
6. the system of a multilink transmission data is applied to establish the scene of carrying out a certain service application between the multi-module mobile terminal of many network linkings and the service server, it is characterized in that this system comprises Business Initiator and recipient, wherein:
The Business Initiator, be used for when described recipient initiates a certain service application, send the multilink transmission data request to described recipient, be used to ask the recipient to transmit this professional business datum simultaneously by a plurality of links, wherein, carry the identification information of a plurality of network linkings of described initiator's request data transfer in the described multilink transmission data request, and the transmission rule that is used for consulting multilink transmission data, and transmit the data of described service application according to the transmission rule of being consulted with described recipient;
Described recipient, be used to receive described multilink transmission data request, and consult the transmission rule of multilink transmission data with described Business Initiator, and after consulting to finish, transmit the data of described service application according to the transmission rule of being consulted with described Business Initiator.
7. system as claimed in claim 6 is characterized in that,
Described initiator and recipient are according to the transmission rule of the bandwidth negotiation multilink transmission data of each link of request data transfer, and wherein, the bandwidth of each link of request data transfer is directly proportional with the data volume of its transmitting data in the transmission rule of being consulted.
8. system as claimed in claim 7 is characterized in that,
Described recipient, be used for a business data packet being divided into a plurality of transmits data packets according to described transmission rule, and a plurality of links that a plurality of transmits data packets after will cutting apart are passed through the transmission data of being asked send to described initiator, wherein, comprise identical identification information in the packet header of a plurality of transmits data packets of being divided into of same business data packet;
Described initiator, be used on a plurality of links of the transmission data of being asked, receiving described transmits data packets, resolve the packet header of the transmits data packets that receives, therefrom obtain identification information, and the transmits data packets that will have same identification information is spliced into a complete business data packet, handles.
9. as claim 6,7 or 8 described systems, it is characterized in that,
Described recipient, after receiving described multilink transmission data request, also be used for verifying the validity of identification information of the network linking of described multilink transmission data request, only when the identification information of described network linking is effective, just accept described multilink transmission data request.
10. system as claimed in claim 9 is characterized in that,
The identification information of described network linking adopts source IP address, purpose IP address, source port number, the quadruple form of destination slogan.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910178355A CN101715209A (en) | 2009-11-11 | 2009-11-11 | Method and system for multilink transmission data |
| PCT/CN2010/073130 WO2010148866A1 (en) | 2009-11-11 | 2010-05-24 | Method, system and mobile terminal for multilink data transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910178355A CN101715209A (en) | 2009-11-11 | 2009-11-11 | Method and system for multilink transmission data |
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| CN101715209A true CN101715209A (en) | 2010-05-26 |
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| CN200910178355A Pending CN101715209A (en) | 2009-11-11 | 2009-11-11 | Method and system for multilink transmission data |
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| WO (1) | WO2010148866A1 (en) |
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