CN102202419A - Data allocation method and device thereof with multiple radio access technologies serving one user equipment - Google Patents
Data allocation method and device thereof with multiple radio access technologies serving one user equipment Download PDFInfo
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- CN102202419A CN102202419A CN2011101039255A CN201110103925A CN102202419A CN 102202419 A CN102202419 A CN 102202419A CN 2011101039255 A CN2011101039255 A CN 2011101039255A CN 201110103925 A CN201110103925 A CN 201110103925A CN 102202419 A CN102202419 A CN 102202419A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1215—Wireless traffic scheduling for collaboration of different radio technologies
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- H—ELECTRICITY
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- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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Abstract
The invention discloses a data allocation method and a device thereof with multiple radio access technologies serving one user equipment. The method comprises the following steps of: obtaining bandwidth information of a link of each radio access technology, and obtaining data volume transmitted on the link of each radio access technology; determining the link of the radio access technology to be used according to the obtained bandwidth information of the link of each radio access technology and the data volume transmitted on the link of each radio access technology; and transmitting data to be transmitted on the determined link of the radio access technology to be used. The embodiment of the invention can make full use of bandwidth resource and improve system performance.
Description
Technical field
The present invention relates to mobile communication technology, relate in particular to the data distributing method and the device of a subscriber equipment of one kind of multiple wireless access technology services.
Background technology
Along with the evolution of wireless access technology, the user wishes to access more and more higher bandwidth, thereby improves user experience.(increasing mobile phone terminal will be supported multiple wireless access technology for User Equipment, UE) side from subscriber equipment; From network side, the wireless access network of multiple technologies will cover same area.Comprehensive these factors, be necessary to develop the technology of utilizing multiple wireless access technology to serve same user simultaneously, so just can improve user's peak rate, promote user's business impression, make full use of the idling-resource of network simultaneously, save operating cost of operator.
With universal mobile telecommunications system (Universal Mobile Telecommunications System, UMTS) and Long Term Evolution (Long Term Evolution, LTE) to serve same UE be example to two kinds of wireless access technologys, can be simultaneously in UMTS link and the enterprising line data transmitting-receiving of LTE link.But, the technical scheme of how the upper layer data of giving UE to be transmitted not being distributed between UMTS link and LTE link in the prior art.
Summary of the invention
The embodiment of the invention provides the data distributing method and the device of subscriber equipmenies of one kind of multiple wireless access technology services, to realize the reasonable distribution of data between multiple wireless access technology link of giving this subscriber equipment to be transmitted.
On the one hand, provide the data distributing method of subscriber equipmenies of one kind of multiple wireless access technology services, having comprised:
Obtain the bandwidth information of the link of every kind of wireless access technology, and the data volume that has sent on the link of every kind of wireless access technology;
According to the bandwidth information of the link of described every kind of wireless access technology of obtaining, and the data volume that has sent on the link of every kind of wireless access technology, determine the link of wireless access technology to be adopted;
On the link of the wireless access technology of determining described to be adopted, send data to be sent to described subscriber equipment.
On the other hand, provide the data distribution device of subscriber equipmenies of one kind of multiple wireless access technology services, having comprised:
Acquisition module is used to obtain the bandwidth information of the link of every kind of wireless access technology and the data volume that has sent on the link of every kind of wireless access technology;
Determination module is used for the bandwidth information of the link of described every kind of wireless access technology of obtaining according to described acquisition module, and the data volume that has sent on the link of every kind of wireless access technology, determines the link of wireless access technology to be adopted;
Sending module is used for the link in the definite wireless access technology described to be adopted of described determination module, sends data to be sent to described subscriber equipment.
On the other hand, provide the data distributing method of subscriber equipmenies of one kind of multiple wireless access technology services, having comprised:
Determine whether data to be sent belong to the transmission control protocol TCP stream of having set up;
If described data to be sent belong to the TCP stream of having set up, then from the link of described multiple wireless access technology, the link of determining the wireless access technology of the TCP that has the set up stream under the described data to be sent of transmission is the link of wireless access technology to be adopted;
On the link of described definite wireless access technology to be adopted, send described data to be sent to described subscriber equipment.
Again on the one hand, provide the data distribution device of subscriber equipmenies of one kind of multiple wireless access technology services, having comprised:
First determination module is used for determining whether data to be sent belong to the transmission control protocol TCP stream of having set up;
Second determination module, determine that data to be sent belong to the TCP stream of having set up if be used for described first determination module, then from the link of described multiple wireless access technology, the link of determining the wireless access technology of the TCP that has the set up stream under the described data to be sent of transmission that described first determination module of transmission determines is the link of wireless access technology to be adopted;
Sending module is used for the link in the definite wireless access technology to be adopted of described second determination module, sends described data to be sent to described subscriber equipment.
As shown from the above technical solution, when subscriber equipment of multiple wireless access technology service, by bandwidth information according to the link of every kind of wireless access technology, and the data volume that has sent on the link of every kind of wireless access technology, determine the link of wireless access technology to be adopted, perhaps, determine the link of wireless access technology to be adopted according to the link of the corresponding wireless access technology of TCP stream, the link of selecting suitable wireless access technology is to send data to be sent, realize the reasonable distribution of data between multiple wireless access technology link of giving this subscriber equipment to be transmitted, and can make full use of bandwidth resources and improve systematic function.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done an introduction simply in will describing embodiment below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram one of the protocol stack in the embodiment of the invention;
Fig. 2 is the schematic diagram two of the protocol stack in the embodiment of the invention;
Fig. 3 is the method flow schematic diagram of data distributing method one embodiment of a subscriber equipment of the multiple wireless access technology service of the present invention;
Fig. 4 is the schematic diagram that RNC asks the bandwidth information of LTE link in the embodiment of the invention to eNodeB;
Fig. 5 is the method flow schematic diagram of another embodiment of data distributing method of a subscriber equipment of the multiple wireless access technology service of the present invention;
Fig. 6 is the method flow schematic diagram of another embodiment of data distributing method of a subscriber equipment of the multiple wireless access technology service of the present invention;
Fig. 7 is the method flow schematic diagram of another embodiment of data distributing method of a subscriber equipment of the multiple wireless access technology service of the present invention;
Fig. 8 is the structural representation of data distribution device one embodiment of a subscriber equipment of the multiple wireless access technology service of the present invention;
Fig. 9 is the structural representation of another embodiment of data distribution device of a subscriber equipment of the multiple wireless access technology service of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
For when subscriber equipment of multiple wireless access technology service (for example, two kinds of wireless access technologys of UMTS and LTE are served a UE simultaneously) carry out data allocations, the embodiment of the invention can respectively increase distribution aggregation feature (Split and Combination Function, a SCF) entity at UE and network side.Comprise UMTS and two kinds of wireless access technologys of LTE are example with system, the SCF entity of data receiver is responsible for the link branch of data from UMTS and two kinds of wireless access technologys of LTE sent out, and data receiver's SCF entity is responsible for the link of data from UMTS and two kinds of wireless access technologys of LTE converged.Corresponding protocols stack architecture schematic diagram can be referring to Fig. 1 or Fig. 2 after increasing the SCF entity.
Fig. 3 is the method flow schematic diagram of data distributing method one embodiment of a subscriber equipment of the multiple wireless access technology service of the present invention, comprising:
Step 31: obtain the bandwidth information of the link of every kind of wireless access technology, and the data volume that has sent on the link of every kind of wireless access technology;
Step 32: according to the bandwidth information of the link of described every kind of wireless access technology of obtaining, and the data volume that has sent on the link of every kind of wireless access technology, determine the link of wireless access technology to be adopted;
Step 33: on the link of the wireless access technology of determining described to be adopted, send data to be sent to described subscriber equipment.
Present embodiment is when subscriber equipment of multiple wireless access technology service, by bandwidth information according to the link of every kind of wireless access technology, and the data volume that has sent on the link of every kind of wireless access technology, determine the link of wireless access technology to be adopted, the link that can select suitable wireless access technology is to send data to be sent, realize the reasonable distribution of data between multiple wireless access technology link of giving this subscriber equipment to be transmitted, and can make full use of bandwidth resources and improve systematic function.
In another embodiment, the assumed wireless access technology comprises first wireless access technology and second wireless access technology, and the then described bandwidth information of obtaining the link of every kind of wireless access technology can comprise: the access network node of first wireless access technology receives the bandwidth information of the link of described second wireless access technology that the access network node of second wireless access technology initiatively reports; Perhaps, the access network node of first wireless access technology sends request to the access network node of second wireless access technology, and the bandwidth information of the link of described second wireless access technology returned according to described request of the access network node that receives described second wireless access technology.
Wherein, for example, the access network node of this second wireless access technology can initiatively report the bandwidth information of the link of second wireless access technology by capacity allocation message; Perhaps, this request can be capacity allocation requests message, and this response message can be the capacity allocation response message of the bandwidth information of the link that carries second wireless access technology.
For example, this bandwidth information can specifically comprise: the assignment interval (interval) of capacity allocation value and described capacity allocation value correspondence, that is, and the maximum amount of data of this capacity allocation value for distributing in this assignment interval.
Can obtain the bandwidth information of the link of second wireless access technology by the access network node of above-mentioned flow process first wireless access technology, because the access network node of first wireless access technology can be known the bandwidth information of the link of self radio access technology, promptly also can obtain the bandwidth information of the link of first wireless access technology, thereby realize obtaining the bandwidth information of every kind of wireless access technology.
In addition, comprise in wireless access technology on the basis of first wireless access technology and second wireless access technology that the described data volume that has sent on the link of every kind of wireless access technology of obtaining can comprise:
The data amount information that the data amount information that the access network node of first wireless access technology can send according to the link of first wireless access technology of its record and renewal and the link of second wireless access technology have sent obtains the data volume that has sent on the link of the data volume that sent on the link of first wireless access technology and second wireless access technology.
The bandwidth information of described link according to described every kind of wireless access technology, and the data volume that has sent on the link of every kind of wireless access technology, determine that the link of wireless access technology to be adopted can comprise:
If the ratio of the link of first wireless access technology and the bandwidth of the link of second wireless access technology, more than or equal to the link of first wireless access technology and the ratio of the data volume that has sent of the link of second wireless access technology, the link of wireless access technology then described to be adopted is the link of first wireless access technology;
If the ratio of the link of first wireless access technology and the bandwidth of the link of second wireless access technology, less than the link of first wireless access technology and the ratio of the data volume that has sent of the link of second wireless access technology, the link of wireless access technology then described to be adopted is the link of second wireless access technology.
Certainly, if above-mentioned wireless access technology comprises at least three kinds wireless access technology, determine that then method also is similar, for example, the link of determining wireless access technology to be adopted is specifically as follows: the link of determining the data volume that sent and the wireless access technology of the ratio minimum of bandwidth information is the link of wireless access technology to be adopted.
In addition, the access network node of the first above-mentioned wireless access technology can be called anchor point, and this anchor point can be meant data are distributed to the distribution node that transmits on the link of multiple wireless access technology.For example, the concrete distribution function of this anchor point can be carried out by the SCF entity in the access network node of first wireless access technology.
The embodiment of the invention will comprise that UMTS access technology and two kinds of wireless access technologys of LTE access technology are example with multiple wireless technology, and with (the Radio Network Controller of the radio network controller in the UMTS Access Network, RNC) carry out data as anchor point and be distributed as example, the access network node of then above-mentioned first wireless access technology is RNC, and the access network node of second wireless access technology is the evolution base station (eNodeB) in the LTE Access Network.Certainly, if carry out data when distribution by eNodeB as anchor point, the access network node of then above-mentioned first wireless access technology is eNodeB, and the access network node of second wireless access technology is RNC.Those skilled in the art can understand, adopt the combination of other wireless access technology, for example, adopt UMTS access technology and GSM access technology serve same subscriber equipment or, adopt GSM access technology and LTE access technology to serve same subscriber equipment, also can be suitable for above-mentioned data distributing method, repeat no more herein.In addition, those skilled in the art can understand, data distributing method when adopting at least three kinds wireless access technology to serve same subscriber equipment, similar with the data distributing method that two kinds of wireless access technologys of above-mentioned employing are served same subscriber equipment, also repeat no more herein.
Fig. 4 is that RNC is to the schematic diagram of the bandwidth information of eNodeB request LTE link in the embodiment of the invention, and RNC comprises by the bandwidth information of capacity allocation requests message to eNodeB request LTE link as anchor point:
Step 41:RNC sends capacity allocation requests (capacity request) message to eNodeB, allows eNodeB report the bandwidth information of LTE link.
Step 42:eNodeB returns capacity allocation response (capacity allocation) message to RNC.
Wherein, this capacity allocation response message carries the bandwidth information of this LTE link, and this bandwidth information for example, can comprise: the capacity allocation value of LTE link and assignment interval (interval).
Above-mentioned eNodeB comprises the capacity allocation value of LTE link in the capacity allocation response message that RNC returns, its computing formula is: the capacity allocation value=Min of LTE link (capability value of S1 ' the interface restriction between capability value, eNodeB and the RNC that eNodeB distributes).The capability value that described eNodeB distributes is the maximum amount of data that eNodeB can transmit in interval, the maximum amount of data that the capability value of described S1 ' interface restriction can transmit for the mouth of S1 ' in interval.
Certainly, also can be directly the merchant of capacity allocation value and assignment interval be carried in the above-mentioned capacity allocation response message as bandwidth information.Those skilled in the art can understand that above-mentioned bandwidth information only exemplifies, and the embodiment of the invention does not limit the concrete form of bandwidth information.
Accordingly, RNC can be known the bandwidth information of the UMTS link at self place, similarly, the bandwidth information of this UMTS link can comprise the capacity allocation value and the assignment interval (interval) of UMTS link, and the computing formula of the capacity allocation value of this UMTS link can be: the capacity allocation value=Min of UMTS link (capability value of the capability value that NodeB distributes, Iub interface restriction).The maximum amount of data that the NodeB that the capability value that described NodeB distributes is controlled for RNC in interval can transmit, the capability value of described Iub interface restriction is the maximum amount of data that the Iub interface of RNC correspondence can transmit in interval.
In addition, RNC can write down the data amount information that renewal has sent as anchor point, therefore, according to record and data updated amount information, RNC can obtain the data volume that has sent on the link of every kind of wireless access technology, specifically, RNC can obtain the data volume that has sent on the link of the data volume that sent on the link of UMTS and LTE.
So far, obtain the bandwidth information of link of UMTS and two kinds of wireless access technologys of LTE and the data volume that has sent, can determine the link of wireless access technology to be adopted afterwards.
Particularly, with subscriber equipment of two kinds of wireless access technology services is example, if the ratio of the link of first wireless access technology and the bandwidth of the link of second wireless access technology, (perhaps be expressed as more than or equal to the link of first wireless access technology ratio with the data volume that has sent of the link of second wireless access technology, the product of the data volume that has sent on the link of the bandwidth of the link of first wireless access technology and second wireless access, the product of the data volume that has sent on the link more than or equal to the bandwidth of the link of second wireless access technology and first wireless access), the link of wireless access technology then described to be adopted is the link of first wireless access technology; If the ratio of the link of first wireless access technology and the bandwidth of the link of second wireless access technology, (perhaps be expressed as less than the link of first wireless access technology ratio with the data traffic that has sent of the link of second wireless access technology, the product of the data volume that has sent on the link of the bandwidth of the link of first wireless access technology and second wireless access, the product of the data volume that has sent on the link less than the bandwidth of the link of second wireless access technology and first wireless access), the link of wireless access technology then described to be adopted is the link of second wireless access technology.
For instance: suppose to serve the UMTS link of same subscriber equipment and the bandwidth ratio of LTE link is m: n, if the data volume ratio that has sent on the link of two kinds of wireless access technologys is less than m: n so, packet so to be sent will be dispensed on the UMTS link and send, if the data volume ratio that the link of two kinds of wireless access technologys has sent is greater than m: n, packet so to be sent will be dispensed on the LTE link and send.That is to say: to be the ratio that guarantees to send on the link of different radio access technologies data volume be in equal proportions with the bandwidth of the link of different radio access technologies the principle of data allocations or about equally, promptly both mate.
Can be expressed as follows with formula: if (the L capacity allocation value * U amount of giving out a contract for a project * U interval)＞(the U capacity allocation value * L amount of giving out a contract for a project * L interval), packet then to be sent is dispensed on the LTE link and sends, otherwise packet to be sent is dispensed on the UMTS link and sends.Wherein, L capacity allocation value is meant the capacity allocation value of LTE link; The U amount of giving out a contract for a project is meant the data volume that has sent on the UMTS link; U interval is meant the assignment interval (Interval) of UMTS link; U capacity allocation value is meant the capacity allocation value of UMTS link, and the L amount of giving out a contract for a project is meant the data volume that has sent on the LTE link, and Linterval is meant the assignment interval (Interval) of LTE link.
After the link of determining wireless access technology to be adopted, can on the link of this wireless access technology to be adopted of determining, send data to subscriber equipment.
Further, the present invention can provide another embodiment, in this another embodiment, can also comprise: judge whether described data to be sent belong to transmission control protocol (Transport Control Protocol, TCP) stream of having set up; If described data to be sent belong to the TCP stream of having set up, then on the link of the wireless access technology that the described TCP that has set up of transmission flows, send described data to be sent; If described data to be sent do not belong to the TCP stream of having set up, be that described data to be sent belong to newly-built TCP stream, then according to the bandwidth information of the link of described every kind of wireless access technology of obtaining, and the data volume that has sent on the link of every kind of wireless access technology, determine the link of wireless access technology to be adopted, and then on the link of the wireless access technology of determining to be adopted, send data to be sent.Specifically can be referring to embodiment illustrated in fig. 5.
Fig. 5 is the method flow schematic diagram of another embodiment of data distributing method of a subscriber equipment of the multiple wireless access technology service of the present invention, comprising:
Step 51: judge whether data to be sent belong to the TCP stream of having set up, and if not, if execution in step 52 is execution in step 55.
For example, transmitting terminal can write down the information of the TCP stream of having set up, the five-tuple that comprises the TCP stream of having set up (comprising: source address, destination address, source port number, the destination slogan, agreement) and the link that transmits the wireless technology of this TCP that has set up stream, for example, transmitting terminal can write down following information: the TCP stream of having set up comprises TCP stream _ 1, TCP stream _ 2, its corresponding five-tuple is respectively five-tuple _ 1, five-tuple _ 2 (these five-tuples can form the five-tuple tabulation), its transmission link is respectively the UMTS link, LTE link (link that transmits the wireless access technology of different TCP streams can be the same or different).
Afterwards, according to the five-tuple of the five-tuple tabulation of the TCP that has the set up stream of record and data to be sent, then can judge data to be sent and whether belong to the TCP stream of having set up.
Step 52: the link of determining the wireless access technology to be adopted of the data correspondence that this is to be sent.
Concrete determine that mode can adopt the definite mode shown in embodiment illustrated in fig. 3.For example, link with wireless access technology comprises that the link of first wireless access technology and the link of second wireless access technology are example, if the ratio of the link of first wireless access technology and the bandwidth of the link of second wireless access technology, more than or equal to the link of first wireless access technology and the ratio of the data volume that has sent of the link of second wireless access technology, determine that then the link of wireless access technology described to be adopted is the link of first wireless access technology; If the ratio of the link of first wireless access technology and the bandwidth of the link of second wireless access technology, less than the link of first wireless access technology and the ratio of the data volume that has sent of the link of second wireless access technology, determine that then the link of wireless access technology described to be adopted is the link of second wireless access technology.
Behind the link of determining wireless access technology to be adopted, can write down the information of this newly-built TCP stream, for example, can comprise: the five-tuple of newly-built TCP stream, the transmission link of this newly-built TCP stream.
Step 53: these data to be sent of transmission on the link of the wireless access technology of determining to be adopted.
Step 54: upgrade on the link of various wireless access technologys data quantity transmitted.
For example, be the UMTS link if determine the link of wireless access technology to be adopted, then after sending described data to be sent on the UMTS link, upgrade on the UMTS link data quantity transmitted information.
Step 55: on the link of the wireless access technology that this TCP that has set up of transmission flows, send described data to be sent.
For example, if data to be sent belong to TCP stream _ 1, and TCP stream _ 1 belongs to the stream of having set up, and the TCP that this has been set up stream the _ 1st transmits on the UMTS link, and then this data to be sent will be dispensed on and continue transmission on the UMTS link.
Certainly, after sending described data to be sent, also can upgrade on the link of various wireless access technologys data quantity transmitted information.
Present embodiment is when subscriber equipment of multiple wireless access technology service, by bandwidth information according to the link of every kind of wireless access technology, and the data volume that has sent on the link of every kind of wireless access technology, determine the link of wireless access technology to be adopted, the link of selecting suitable wireless access technology is to send data to be sent, realize the reasonable distribution of data between multiple wireless access technology link of giving this subscriber equipment to be transmitted, and can make full use of bandwidth resources and improve systematic function.In addition, present embodiment guarantees that by carrying out the judgement of TCP stream the data of same TCP stream are transmitted as far as possible on the link with a kind of wireless technology, avoid the out of order of tcp data bag.
Fig. 6 is the method flow schematic diagram of another embodiment of data distributing method of a subscriber equipment of the multiple wireless access technology service of the present invention, and present embodiment, comprising referring to Fig. 6 to be distributed as example according to TCP stream:
Step 61: determine whether data to be sent belong to the TCP stream of having set up;
Wherein, can at first determine the TCP stream that data to be sent belong to, judge according to the information of record whether the TCP stream under the data to be sent belongs to the TCP that has set up afterwards.
For example, can determine the TCP stream that data to be sent belong to, determine that the five-tuple TCP stream consistent with the five-tuple of described data to be sent flows for the TCP that described data to be sent belong to according to five-tuple.For example, the five-tuple of data to be sent is five-tuple _ 1, if the five-tuple of TCP stream _ 1 also is five-tuple _ 1, the TCP stream that data then to be sent belong to is TCP stream _ 1.
Step 62: if described data to be sent belong to the TCP stream of having set up, then from the link of described multiple wireless access technology, the link of determining the wireless access technology of the TCP that has the set up stream under the described data to be sent of transmission is the link of wireless access technology to be adopted.
Certainly, if data to be sent do not belong to the TCP stream of having set up, then can handle according to the step 52-55 of Fig. 5.
Step 63: on the link of described definite wireless access technology to be adopted, send described data to be sent to described subscriber equipment.
For example, transmitting terminal can write down the transmission link of each TCP stream, and for example, TCP stream _ 1 transmits on the UMTS link, if data to be sent belong to TCP stream _ 1, then data to be sent is sent on TCP stream _ 1.
Present embodiment is when subscriber equipment of multiple wireless access technology service, determine the link of wireless access technology to be adopted according to the link of the corresponding wireless access technology of TCP stream, the link of selecting suitable wireless access technology is to send data to be sent, realize the reasonable distribution of data between multiple wireless access technology link of giving this subscriber equipment to be transmitted, and can make full use of bandwidth resources and improve systematic function.By carrying out the judgement of TCP stream, guarantee that the data of same TCP stream are transmitted as far as possible on the link with a kind of wireless access technology, avoid the out of order of tcp data bag.
In the embodiment shown in fig. 6, if after distributing according to TCP stream, can also carry out the link adjustment of TCP stream according to data volume that has sent and bandwidth.Specifically as shown in Figure 7.
Fig. 7 is the method flow schematic diagram of another embodiment of data distributing method of a subscriber equipment of the multiple wireless access technology service of the present invention, comprising:
Step 71: flow to the line data distribution by TCP.
Particular content can be referring to embodiment illustrated in fig. 6.
Step 72: whether the ratio of ratio and the bandwidth of the link of various wireless access technologys of the data volume that has sent of judging the link of various wireless access technologys mates, and if not, if execution in step 73 is execution in step 74.
Wherein, the ratio of bandwidth can be determined according to the bandwidth information of the link of every kind of wireless access technology.Concrete computational process can adopt the content described in embodiment illustrated in fig. 3 to calculate.
In addition, can set a threshold value, if after the comparison value of the ratio that sends data volume of the link of above-mentioned various wireless access technologys and the ratio of the bandwidth of the link of various wireless access technologys surpasses this threshold value, then expression does not match.This comparison value can for ratio between two or both be poor.
Step 73: TCP stream is moved processing, it is transmitted on the link of another wireless access technology.
For example, system comprises LTE link and UMTS link, _ 1 processing according to step 71 of TCP stream is to transmit on the LTE link, if the ratio of the data volume that sends on the data volume that sends on the LTE link and the UMTS link, be far longer than the ratio of bandwidth with the bandwidth of UMTS link of LTE link, then TCP stream _ 1 changed into from the UMTS link from the transmission of LTE link and transmitting.Wherein, TCP stream is meant that in transmission on a certain link data that belong to this TCP stream send on this link, if a certain TCP stream is moved another link from original link and is transmitted, then be meant will judge before the resettlement data of this TCP stream to be sent on original link, send, the data of judging resettlement back this TCP stream to be sent changed on this another link send.
Step 74: keep TCP stream on the link of original wireless access technology, to transmit.
Present embodiment is by adjusting the transmission link of TCP stream, and the transmission situation of link that can each wireless access technology of balance is utilized Internet resources more rationally and effectively.
Fig. 8 comprises acquisition module 81, determination module 82 and sending module 83 for the structural representation of data distribution device one embodiment of a subscriber equipment of the multiple wireless access technology service of the present invention; Acquisition module 81 is used to obtain the bandwidth information of the link of every kind of wireless access technology, and the data volume that has sent on the link of every kind of wireless access technology; Determination module 82 is used for the bandwidth information according to the link of described every kind of wireless access technology of obtaining, and the data volume that has sent on the link of every kind of wireless access technology, determines the link of wireless access technology to be adopted; Sending module 83 is used for the link in the wireless access technology of determining described to be adopted, and sends data to be sent to described subscriber equipment.
Optionally, this device can also comprise judge module; Judge module is used to judge whether described data to be sent belong to the TCP stream of having set up; Described sending module 83 is further used for judging described data to be sent at described judge module and does not belong to TCP when stream of having set up, and sends described data to be sent on the link of the wireless access technology described to be adopted that described determination module 82 is determined; Judge described data to be sent when described judge module and belong to TCP when stream of having set up described, on the link of the wireless access technology of the described TCP stream of having set up of transmission, send described data to be sent.
Described wireless access technology comprises first wireless access technology and second wireless access technology, described device can be positioned at the Access Network of first wireless access technology, and the access network node of described first wireless access technology is for to be distributed to the distribution node that transmits on the link of multiple wireless access technology with data.Particularly, this device can be arranged in the SCF entity of the access network node of first wireless access technology.Described acquisition module 81 can comprise the first module of the bandwidth information of the link that is used to obtain second wireless access technology, and described first module is used for: the bandwidth information that receives the link of described second wireless access technology that the access network node of second wireless access technology initiatively reports; Perhaps, send request to the access network node of second wireless access technology, and the bandwidth information of the link of described second wireless access technology returned according to described request of the access network node that receives described second wireless access technology.
Described wireless access technology comprises first wireless access technology and second wireless access technology, described determination module 82 is further used for: if the ratio of the link of first wireless access technology and the bandwidth of the link of second wireless access technology, more than or equal to the link of first wireless access technology and the ratio of the data volume that has sent of the link of second wireless access technology, determine that then the link of wireless access technology described to be adopted is the link of first wireless access technology; If the ratio of the link of first wireless access technology and the bandwidth of the link of second wireless access technology, less than the link of first wireless access technology and the ratio of the data volume that has sent of the link of second wireless access technology, determine that then the link of wireless access technology described to be adopted is the link of second wireless access technology.
When wireless access technology comprised at least three kinds, described determination module 82 was further used for: the link of determining the data volume sent and the wireless access technology of the ratio minimum of bandwidth information is the link of wireless access technology to be adopted.
Present embodiment is when subscriber equipment of multiple wireless access technology service, by bandwidth information according to the link of every kind of wireless access technology, and the data volume that has sent on the link of every kind of wireless access technology, determine the link of wireless access technology to be adopted, the link that can select suitable wireless access technology is to send data to be sent, realize the reasonable distribution of data between multiple wireless access technology link of giving this subscriber equipment to be transmitted, and can make full use of bandwidth resources and improve systematic function.
Fig. 9 comprises first determination module 91, second determination module 92 and sending module 93 for the structural representation of another embodiment of data distribution device of a subscriber equipment of the multiple wireless access technology service of the present invention; First determination module 91 is used for determining whether data to be sent belong to the TCP stream of having set up; If being used for described first determination module, second determination module 92 determines that data to be sent belong to the TCP stream of having set up, then from the link of described multiple wireless access technology, the link of determining the wireless access technology of the TCP that has the set up stream under the described data to be sent of transmission that described first determination module of transmission determines is the link of wireless access technology to be adopted; Sending module 93 is used for the link in the definite wireless access technology to be adopted of described second determination module, sends described data to be sent to described subscriber equipment.
Described first determination module 91 can be further used for: determine the TCP stream that the five-tuple TCP stream consistent with the five-tuple of described data to be sent belongs to for described data to be sent.
Present embodiment can further include: adjusting module, if be used for the data volume that sent on the link of wireless access technology of the TCP that has the set up stream under the described data to be sent of described transmission, ratio with the data volume that has sent on the link of other wireless access technology in the link of described multiple wireless access technology, and the ratio of the bandwidth between the link of corresponding wireless access technology does not match, then the described TCP stream of transmission on the link of other wireless access technology.
Present embodiment is when subscriber equipment of multiple wireless access technology service, determine the link of wireless access technology to be adopted according to the link of the corresponding wireless access technology of TCP stream, the link of selecting suitable wireless access technology is to send data to be sent, realize the reasonable distribution of data between multiple wireless access technology link of giving this subscriber equipment to be transmitted, and can make full use of bandwidth resources and improve systematic function.By carrying out the judgement of TCP stream, guarantee that the data of same TCP stream are transmitted as far as possible on the link with a kind of wireless access technology, avoid the out of order of tcp data bag.
Be understandable that, the reference mutually of the correlated characteristic in said method and the equipment, the equipment in the application embodiment of the invention carries out the detailed process of data allocations, and embodiment is similar with said method, repeats no more.One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (21)
1. the data distributing method of a subscriber equipment of one kind of multiple wireless access technology services is characterized in that, comprising:
Obtain the bandwidth information of the link of every kind of wireless access technology, and the data volume that has sent on the link of every kind of wireless access technology;
According to the bandwidth information of the link of described every kind of wireless access technology of obtaining, and the data volume that has sent on the link of every kind of wireless access technology, determine the link of wireless access technology to be adopted;
On the link of the wireless access technology of determining described to be adopted, send data to be sent to described subscriber equipment.
2. method according to claim 1, it is characterized in that, the bandwidth information of the link of described every kind of wireless access technology that described basis is obtained, and the data volume that has sent on the link of every kind of wireless access technology, determine that before the link of wireless access technology to be adopted, described method also comprises:
Judge whether described data to be sent belong to the transmission control protocol TCP stream of having set up;
If described data to be sent belong to the TCP stream of having set up, then on the link of the wireless access technology that the described TCP that has set up of transmission flows, send described data to be sent;
If described data to be sent do not belong to the TCP stream of having set up, then according to the bandwidth information of the link of described every kind of wireless access technology of obtaining, and the data volume that has sent on the link of every kind of wireless access technology, determine the link of wireless access technology to be adopted.
3. method according to claim 1 and 2 is characterized in that, described wireless access technology comprises first wireless access technology and second wireless access technology, and the described bandwidth information of obtaining the link of every kind of wireless access technology comprises:
The access network node of first wireless access technology receives the bandwidth information of the link of described second wireless access technology that the access network node of second wireless access technology initiatively reports;
Perhaps,
The access network node of first wireless access technology sends request to the access network node of second wireless access technology, and the bandwidth information of the link of described second wireless access technology returned according to described request of the access network node that receives described second wireless access technology.
4. method according to claim 3 is characterized in that,
The bandwidth information that the access network node of described first wireless access technology receives the link of described second wireless access technology that the access network node of second wireless access technology initiatively reports comprises: the access network node of described first wireless access technology receives the capacity allocation message that the access network node of described second wireless access technology sends, and described capacity allocation message is carried the bandwidth information of the link of described second wireless access technology;
Perhaps,
The access network node of described first wireless access technology sends request to the access network node of second wireless access technology, and the bandwidth information of the link of described second wireless access technology returned according to described request of the access network node that receives described second wireless access technology comprises: the access network node of described first wireless access technology sends capacity allocation requests message to the access network node of second wireless access technology, receive the capacity allocation response message that the access network node of described second wireless access technology returns, described capacity allocation response message carries the bandwidth information of the link of described second wireless access technology.
5. method according to claim 4 is characterized in that, described bandwidth information comprises:
The assignment interval of capacity allocation value and described capacity allocation value correspondence.
6. method according to claim 1 and 2 is characterized in that, described wireless access technology comprises first wireless access technology and second wireless access technology, and the described data volume that has sent on the link of every kind of wireless access technology of obtaining comprises:
The data amount information that the data amount information that the access network node of first wireless access technology has sent according to the link of the record and first wireless access technology upgraded and the link of second wireless access technology have sent obtains the data volume that has sent on the link of the data volume that sent on the link of first wireless access technology and second wireless access technology.
7. method according to claim 1 and 2, it is characterized in that, the bandwidth information of the link of described every kind of wireless access technology that described basis is obtained, and the data volume that has sent on the link of every kind of wireless access technology, determine that the link of wireless access technology to be adopted comprises:
The link of determining the data volume sent and the wireless access technology of the ratio minimum of bandwidth information is the link of wireless access technology to be adopted.
8. method according to claim 1 and 2, it is characterized in that, described wireless access technology comprises first wireless access technology and second wireless access technology, the bandwidth information of described link according to described every kind of wireless access technology, and the data volume that has sent on the link of every kind of wireless access technology, determine the link of wireless access technology to be adopted, comprising:
If the ratio of the link of first wireless access technology and the bandwidth of the link of second wireless access technology, more than or equal to the link of first wireless access technology and the ratio of the data volume that has sent of the link of second wireless access technology, determine that then the link of wireless access technology described to be adopted is the link of first wireless access technology;
If the ratio of the link of first wireless access technology and the bandwidth of the link of second wireless access technology, less than the link of first wireless access technology and the ratio of the data volume that has sent of the link of second wireless access technology, determine that then the link of wireless access technology described to be adopted is the link of second wireless access technology.
9. according to claim 4 or 5 described methods, it is characterized in that the bandwidth information of described link according to described every kind of wireless access technology, and the data volume that has sent on the link of every kind of wireless access technology, determine the link of wireless access technology to be adopted, comprising:
If the ratio of the link of first wireless access technology and the bandwidth of the link of second wireless access technology, more than or equal to the link of first wireless access technology and the ratio of the data volume that has sent of the link of second wireless access technology, then the access network node of first wireless access technology determines that the link of wireless access technology described to be adopted is the link of first wireless access technology;
If the ratio of the link of first wireless access technology and the bandwidth of the link of second wireless access technology, less than the link of first wireless access technology and the ratio of the data volume that has sent of the link of second wireless access technology, then the access network node of first wireless access technology determines that the link of wireless access technology described to be adopted is the link of second wireless access technology.
10. the data distribution device of a subscriber equipment of one kind of multiple wireless access technology services is characterized in that, comprising:
Acquisition module is used to obtain the bandwidth information of the link of every kind of wireless access technology and the data volume that has sent on the link of every kind of wireless access technology;
Determination module is used for the bandwidth information of the link of described every kind of wireless access technology of obtaining according to described acquisition module, and the data volume that has sent on the link of every kind of wireless access technology, determines the link of wireless access technology to be adopted;
Sending module is used for the link in the definite wireless access technology described to be adopted of described determination module, sends data to be sent to described subscriber equipment.
11. device according to claim 10 is characterized in that, also comprises:
Judge module is used to judge whether described data to be sent belong to the transmission control protocol TCP stream of having set up;
Described sending module is further used for judging described data to be sent at described judge module and does not belong to TCP when stream of having set up, and sends described data to be sent on the link of the wireless access technology described to be adopted that described determination module is determined; Judge described data to be sent at described judge module and belong to TCP when stream of having set up, on the link of the wireless access technology of the described TCP stream of having set up of transmission, send described data to be sent.
12. according to claim 10 or 11 described devices, it is characterized in that, described wireless access technology comprises first wireless access technology and second wireless access technology, described device is positioned at the Access Network of first wireless access technology, described acquisition module comprises the first module of the bandwidth information of the link that is used to obtain second wireless access technology, and described first module is used for:
Receive the bandwidth information of the link of described second wireless access technology that the access network node of second wireless access technology initiatively reports; Perhaps, send request to the access network node of second wireless access technology, and the bandwidth information of the link of described second wireless access technology returned according to described request of the access network node that receives described second wireless access technology.
13. according to claim 10 or 11 described devices, it is characterized in that, described wireless access technology comprises first wireless access technology and second wireless access technology, described device is positioned at the Access Network of first wireless access technology, described acquisition module comprises the Unit second that is used to obtain the data volume that has sent on the link of every kind of wireless access technology, and described Unit second is used for:
The data amount information that the data amount information that has sent according to the link of the record and first wireless access technology upgraded and the link of second wireless access technology have sent obtains the data volume that has sent on the link of the data volume that sent on the link of first wireless access technology and second wireless access technology.
14. according to claim 10 or 11 described devices, it is characterized in that described determination module is further used for: the link of determining the data volume sent and the wireless access technology of the ratio minimum of bandwidth information is the link of wireless access technology to be adopted.
15. according to claim 10 or 11 described devices, it is characterized in that, described wireless access technology comprises first wireless access technology and second wireless access technology, described determination module is further used for: if the ratio of the link of first wireless access technology and the bandwidth of the link of second wireless access technology, more than or equal to the link of first wireless access technology and the ratio of the data volume that has sent of the link of second wireless access technology, determine that then the link of wireless access technology described to be adopted is the link of first wireless access technology; If the ratio of the link of first wireless access technology and the bandwidth of the link of second wireless access technology, less than the link of first wireless access technology and the ratio of the data volume that has sent of the link of second wireless access technology, determine that then the link of wireless access technology described to be adopted is the link of second wireless access technology.
16. the data distributing method of a subscriber equipment of one kind of multiple wireless access technology services is characterized in that, comprising:
Determine whether data to be sent belong to the transmission control protocol TCP stream of having set up;
If described data to be sent belong to the TCP stream of having set up, then from the link of described multiple wireless access technology, the link of determining the wireless access technology of the TCP that has the set up stream under the described data to be sent of transmission is the link of wireless access technology to be adopted;
On the link of described definite wireless access technology to be adopted, send described data to be sent to described subscriber equipment.
17. method according to claim 16 is characterized in that, whether described definite data to be sent belong to before the transmission control protocol TCP stream of having set up, and described method also comprises:
Determine the TCP stream that the five-tuple TCP stream consistent with the five-tuple of described data to be sent belongs to for described data to be sent.
18. method according to claim 16 is characterized in that, after the described data to be sent of described transmission, described method also comprises:
If the data volume that has sent on the link of the wireless access technology that the described affiliated TCP that has set up of data to be sent of described transmission flows, ratio with the data volume that has sent on the link of other wireless access technology in the link of described multiple wireless access technology, and the ratio of the bandwidth between the link of corresponding wireless access technology does not match, then the described TCP stream of transmission on the link of other wireless access technology.
19. the data distribution device of a subscriber equipment of one kind of multiple wireless access technology services is characterized in that, comprising:
First determination module is used for determining whether data to be sent belong to the transmission control protocol TCP stream of having set up;
Second determination module, determine that data to be sent belong to the TCP stream of having set up if be used for described first determination module, then from the link of described multiple wireless access technology, the link of determining the wireless access technology of the TCP that has the set up stream under the described data to be sent of transmission that described first determination module of transmission determines is the link of wireless access technology to be adopted;
Sending module is used for the link in the definite wireless access technology to be adopted of described second determination module, sends described data to be sent to described subscriber equipment.
20. device according to claim 19 is characterized in that, described first determination module is further used for: determine the TCP stream that the five-tuple TCP stream consistent with the five-tuple of described data to be sent belongs to for described data to be sent.
21. device according to claim 19, it is characterized in that, also comprise: adjusting module, if be used for the data volume that sent on the link of wireless access technology of the TCP that has the set up stream under the described data to be sent of described transmission, ratio with the data volume that has sent on the link of other wireless access technology in the link of described multiple wireless access technology, and the ratio of the bandwidth between the link of corresponding wireless access technology does not match, then the described TCP stream of transmission on the link of other wireless access technology.
Priority Applications (2)
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| CN201110103925.5A CN102202419B (en) | 2011-04-25 | 2011-04-25 | Data allocation method and device thereof with multiple radio access technologies serving one user equipment |
| PCT/CN2012/074672 WO2012146170A1 (en) | 2011-04-25 | 2012-04-25 | Data distribution method and apparatus for multiple radio access technologies servicing one user equipment |
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| CN201110103925.5A CN102202419B (en) | 2011-04-25 | 2011-04-25 | Data allocation method and device thereof with multiple radio access technologies serving one user equipment |
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| WO2012146170A1 (en) | 2012-11-01 |
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