CN103442391A - Data transmission method and system as well as user terminal - Google Patents
Data transmission method and system as well as user terminal Download PDFInfo
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- CN103442391A CN103442391A CN201310416717XA CN201310416717A CN103442391A CN 103442391 A CN103442391 A CN 103442391A CN 201310416717X A CN201310416717X A CN 201310416717XA CN 201310416717 A CN201310416717 A CN 201310416717A CN 103442391 A CN103442391 A CN 103442391A
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Abstract
The invention discloses a data transmission method and system and a user terminal, wherein the data transmission method comprises the following steps of: receiving data flow of the same service, and grouping the data flow of the same service according to priority; and scheduling and transmitting the grouped data flow of the same service in sequence from high priority to low priority. By virtue of the method, differentiated service needs of different data of the same service can be met and the data flow of the same service can be called and transmitted in sequence from high priority to low priority, so that the utilization rate of network broadband is improved and the service quality of the service is improved.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method of transfer of data and user terminal, system.
Background technology
Along with the data service fast development, the mobile broadband service epoch arrive.The data major part of mobile broadband service is based on transmission control protocol (Transmission Control Protocol, TCP) transmission.
Generally, the data allocations resource that user terminal is each business based on radio bearer, radio bearer of the distribution of flows of same business, different radio bearers has different priority, according to the priority order from high to low of each radio bearer, is allocated resources.But, for the business datum in same radio bearer, do not distinguish priority.Therefore, this transmission means can't be carried out the scheduling of differentiation for control message and the data message of TCP, also can't carry out the scheduling of differentiation to the audio stream in visual telephone business and video flowing.In this case, when terminal can't obtain enough bandwidth, tend to occur that transmission is congested, affect the transmission of network data and the user experience to business.
Summary of the invention
The technical problem that the application mainly solves is to provide a kind of method of transfer of data and user terminal, system, can meet the differentiated service demand of same business different pieces of information, to the data flow of same business according to priority order from high to low carry out scheduled transmission, thereby promote the utilance of network broadband, improve the service quality of business.
The application's first aspect, provide a kind of method of transfer of data, comprising: receive the data flow of same business, the data flow of described same business is divided into groups according to priority; By the data flow of described same business after grouping according to priority order from high to low dispatch transmission.
In conjunction with first aspect, in the first of first aspect in possible implementation: the corresponding TCP/IP of described business connects, the data flow of the same business of described reception, the step that the data flow of described same business is divided into groups according to priority comprises: receive the data flow of same business, the data flow of described same business is divided into to control information, up initial data; Or receive the data flow of same business, the data flow of described same business is divided into to control information, up initial data and uplink retransmission data, wherein, the priority of described control information is higher than the described data retransmission of uploading, and the described priority of data retransmission of uploading is higher than described up initial data.
In conjunction with first aspect, at the second of first aspect in possible implementation: described business is visual telephone business, the data flow of the same business of described reception, the step that the data flow of described same business is divided into groups according to priority comprises: the data flow of receiver, video telephone service, the data flow of described visual telephone business is divided into to audio data stream and video data stream, wherein, the priority of audio data stream is higher than video data stream.
In conjunction with first aspect, in the third possible implementation of first aspect: described by the data flow of described same business after grouping according to priority order from high to low dispatch the step sent and is specially: during the data flow of the described same business after dividing into groups is buffered in respectively to the transmit queue of corresponding priority, and order is from high to low dispatched transmission according to priority.
Second aspect, the application provides a kind of user terminal, described user terminal comprises Service Processing Module and air protocol processing module, wherein: described Service Processing Module, for receiving the data flow of same business, data flow to described same business is divided into groups according to priority, and the data flow of the described same business after grouping is sent to respectively to described air protocol processing module; Described air protocol processing module, for the data flow of described same business by after grouping according to priority order from high to low dispatch transmission.
In conjunction with second aspect, in the first of second aspect in possible implementation: described Service Processing Module also for and described air protocol processing module between set up at least two data transmission channels, the priority that each described data transmission channel is corresponding different, described Service Processing Module sends to respectively described air protocol processing module by least two data transmission channels corresponding with data flow priority by the data flow of the described same business after grouping.
In conjunction with second aspect, at the second of second aspect in possible implementation: when the corresponding TCP/IP of described business connects, described Service Processing Module, for receiving the data flow of same business, is divided into control information, up initial data by the data flow of described same business; Or receive the data flow of same business, the data flow of described same business is divided into to control information, up initial data and uplink retransmission data, and described control information and up initial data or control information, up initial data and uplink retransmission data are sent to the air protocol processing module, wherein, the priority of described control information is higher than the described data retransmission of uploading, and the described priority of data retransmission of uploading is higher than described up initial data.
In conjunction with second aspect, in the third possible implementation of second aspect: when described business is visual telephone business, described Service Processing Module is for the data flow of receiver, video telephone service, the data flow of described visual telephone business is divided into to audio data stream and video data stream, and by the data transmission channel of corresponding priority, described audio data stream and video data stream are sent to described air protocol processing module, wherein, the priority of audio data stream is higher than video data stream.
In conjunction with second aspect, in the 4th kind of possible implementation of second aspect: described air protocol processing module is for being buffered in respectively from the data flow of the described same business of described Service Processing Module the transmit queue of corresponding priority, and order is from high to low dispatched transmission to the data flow of described same business according to priority.
The third aspect, provide a kind of data transmission system, and described data transmission system comprises the user terminal in the arbitrary possible implementation of four kinds of the first to the of second aspect and second aspect.
The application's beneficial effect is: the situation that is different from prior art, the application provides a kind of method of transfer of data and user terminal, system, by the data flow to same business, according to priority, divided into groups, distinguish the data of same business different priorities, thereby order according to priority is from high to low dispatched transmission to the data of same business different priorities.By such mode, for the data flow of same business, the business datum that priority is high can access preferential transmission.Thereby can make terminal more reasonably utilize the network bandwidth, improve the service quality of business and the utilance of bandwidth.
The accompanying drawing explanation
Fig. 1 is the flow chart of an execution mode of method of the application's transfer of data;
Fig. 2 is the flow chart of another execution mode of method of the application's transfer of data;
Fig. 3 is the flow chart of another execution mode of method of the application's transfer of data;
Fig. 4 is the structural representation of an execution mode of the application's user terminal;
Fig. 5 is the structural representation of another execution mode of the application's user terminal.
Embodiment
At present, mobile broadband service develops increasingly, when user terminal passes through the mobile broadband service transceiving data, can't distinguish priority for the business datum in a radio bearer, therefore can't meet the differentiation scheduling of same business different data streams, cause business to bring that user's experience effect is bad and the broadband utilance is low.
The above problem that the application exists for solving prior art, a kind of method of transfer of data is provided, can meet the differentiated service demand of same business different pieces of information, to the data flow of same business according to priority order from high to low carry out scheduled transmission, thereby promote the utilance of network broadband, improve the service quality of business.
Refer to Fig. 1, Fig. 1 is the flow chart of an execution mode of method of a kind of transfer of data of the application, and the method for present embodiment transfer of data comprises:
Step S101: receive the data flow of same business, the data flow of same business is divided into groups according to priority;
User terminal receives business data flow, and the corresponding radio bearer of the data flow of same business, in this radio bearer, distinguish the priority of the data flow of same business.
Step S102: by the data flow of same business after grouping according to priority order from high to low dispatch transmission;
User terminal is distinguished the priority of the different data streams of same business, then according to the priority of data flow respectively by data buffer storage in the transmit queue of corresponding priority.According to the priority order from high to low of data flow, the data flow of same business is dispatched to transmission.
By above-mentioned mode, be appreciated that, the application is divided into groups according to priority by the data flow to same business, distinguishes the data of same business different priorities, thereby order according to priority is from high to low dispatched transmission to the data of same business different priorities.By such mode, for the data flow of same business, the business datum that priority is high can access preferential transmission.Thereby can make terminal more reasonably utilize the network bandwidth, improve the service quality of business and the utilance of bandwidth.
The method of the above-mentioned transfer of data of the application, can be applied to the transmission of the Network data of high reliability, also can be applied to the transmission of low reliability network business datum.In order to further describe the application's technical scheme, below will from two kinds of application scenarioss, be illustrated respectively.In order further to embody the specific implementation process of data transmission method, in following execution mode, user terminal carrys out the specific implementation said method by Service Processing Module and air protocol processing module, wherein, the function of Service Processing Module and air protocol processing module realizes, can realize by hardware mode, also can realize by software mode, certainly, may be also that software adds the hardware mode and realizes.But these two modules are the application in fact, the division of module may also have multiple other mode for example in order to describe of technical scheme in detail, therefore, the module here just for example, and is not used in the range of application that limits the present techniques scheme.
Refer to Fig. 2, Fig. 2 is the flow chart of another execution mode of the application's data transmission method, the scene of the transmission of the Network data that the application scenarios of present embodiment data transmission method is high reliability, the transmission that is business datum is that situation about connecting at a TCP/IP is carried out, and present embodiment comprises:
Step S201: set up two or more data transmission channels between Service Processing Module and air protocol processing module, the priority that each passage is corresponding different;
In present embodiment, the Service Processing Module of user terminal can, after receiving business datum, before business datum is sent to the air protocol processing module, be set up above-mentioned data transmission channel.
Step S202: Service Processing Module is divided into control information and data message by business datum, and according to priority order from high to low, the data transmission channel by corresponding priority sends to the air protocol processing module by business datum;
Transmission for business datum is that the priority of the priority ratio data message of control information is higher in the situation that TCP/IP connects the situation of carrying out, and when the network congestion business can't obtain enough bandwidth, needs the preferential transmission that guarantees control information.Therefore, Service Processing Module is after receiving data flow corresponding to this business, by the data separation of this business, be control information, up initial data, if network congestion, also may have the uplink retransmission data, by this business, corresponding data flow is divided into control information, up initial data and uplink retransmission data.Wherein, the priority of control information is higher than the uplink retransmission data, and the priority of uplink retransmission data is higher than up initial data.And by the data transmission channel of corresponding priority, business datum is sent to the air protocol processing module.
Step S203: the air protocol processing module by the data buffer storage that receives in the transmit queue of corresponding priority;
The data flow that the air protocol processing module sends over according to the different pieces of information transmission channel is distinguished the priority of the different data streams of same business, then according to the priority of data flow respectively by data buffer storage in the transmit queue of corresponding priority.Be the air protocol processing module respectively by control information and up initial data, or control information, up initial data and uplink retransmission data are cached to respectively in the transmit queue of corresponding priority, are convenient to data are dispatched.
Step S204: according to priority, order from high to low sends scheduling service data the air protocol processing module;
It is worth mentioning that the function that in present embodiment, Service Processing Module is realized can realize by the tcp/ip layer in the network transmission protocol.
By present embodiment, when the corresponding TCP/IP of business connects, can preferentially guarantee the transmission of control information, to avoid because the data volume of upper row cache is large, the Downlink Control Information caused and data retransmission can't send in time, the problem of upstream and downstream bandwidth waste.Promote the bandwidth availability ratio of network.
Refer to Fig. 3, Fig. 3 is the flow chart of another execution mode of method of the application's transfer of data, the application scenarios of present embodiment data transmission method is the scene of the transmission of the Network data of low reliability, the scene that specifically business is visual telephone business, and present embodiment comprises:
Step S301: set up two data transmission channels between Service Processing Module and air protocol processing module, the priority that each passage is corresponding different;
In present embodiment, also can, after receiver, video phone data stream, before the visual telephone data flow is sent to the air protocol processing module, set up above-mentioned data transmission channel.
Step S302: Service Processing Module is divided into audio data stream and video data stream by the visual telephone data flow, and according to priority order from high to low, the data transmission channel by corresponding priority occurs the visual telephone data flow to the air protocol processing module;
For visual telephone business, audio data stream is higher than the priority of video data stream, when the network congestion business can't obtain enough bandwidth, needs the preferential transmission that ensures audio data stream.Therefore, after the data flow of Service Processing Module receiver, video telephone service, data flow is divided into to audio data stream and video data stream.Wherein, the priority of audio data stream is higher than video data stream.
Data transmission channel by corresponding priority sends to respectively the air protocol processing module by audio data stream and video data stream, the data transmission channel by high priority sends to the air protocol processing module by audio stream, and by the data transmission channel of low priority, video flowing is sent to the air protocol processing module.
Step S303: the air protocol processing module is cached to the audio data stream and the video data stream that receive respectively in the transmit queue of corresponding priority;
The data flow that the air protocol processing module sends over according to the different pieces of information transmission channel is distinguished the priority of the different data streams of same business, then according to the priority of data flow respectively by data buffer storage in the transmit queue of corresponding priority.Respectively audio data stream is buffered in to the transmit queue of high priority, video data stream is buffered in to the transmit queue of low priority, so that data stream is dispatched.
Step S304: the air protocol processing module according to priority order from high to low the visual telephone data are dispatched to transmission;
It is worth mentioning that, in present embodiment, the function of Service Processing Module realizes, also can be realized by a video and audio coding.
By present embodiment, for visual telephone business, audio stream can access preferential transmission than video flowing, can guarantee the continuity of voice-frequency telephony by reducing the quality of video like this when the congested Bandwidth-Constrained of up generation, avoids subscriber phone to go offline.
In above-mentioned execution mode, by the data flow to same business, according to priority, divided into groups, and be transferred to the air protocol processing module by the data flow path of corresponding different priorities, so that the air protocol scheduler module can be distinguished according to the different pieces of information passage data of same business different priorities, thereby order according to priority from high to low sends scheduling service data.By such mode, for the data flow of same business, the business datum that priority is high can access preferential transmission.Thereby can make terminal more reasonably utilize the network bandwidth, improve the service quality of business and the utilance of bandwidth.
Refer to Fig. 4, Fig. 4 is the structural representation of an execution mode of the application's user terminal, and the user terminal 100 of present embodiment comprises Service Processing Module 11 and air protocol processing module 12, wherein:
Such as being situation about being transmitted under TCP/IP connects for business data transmission, the priority of the priority ratio data message of control information is higher, when the network congestion business can't obtain enough bandwidth, needs the preferential transmission that guarantees control information.Therefore, Service Processing Module 11 is after receiving data flow corresponding to this business, by the data separation of this business, be control information, up initial data, if network congestion, also may have the uplink retransmission data, by this business, corresponding data flow is divided into control information, up initial data and uplink retransmission data.Wherein, the priority of control information is higher than the uplink retransmission data, and the priority of uplink retransmission data is higher than up initial data.And by the data transmission channel of corresponding priority, business datum is sent to air protocol processing module 12.
And, for visual telephone business, audio data stream is higher than the priority of video data stream, when the network congestion business can't obtain enough bandwidth, need the preferential transmission that ensures audio data stream.Therefore, after the data flow of Service Processing Module 11 receiver, video telephone services, data flow is divided into to audio data stream and video data stream.Wherein, the priority of audio data stream is higher than video data stream.Data transmission channel by corresponding priority sends to respectively air protocol processing module 12 by audio data stream and video data stream, the data transmission channel by high priority sends to air protocol processing module 12 by audio stream, and by the data transmission channel of low priority, video flowing is sent to air protocol processing module 12.
Air protocol processing module 12 for according to priority order from high to low the data flow of same business is dispatched to transmission.
The data flow that air protocol processing module 12 sends over according to the different pieces of information transmission channel is distinguished the priority of the different data streams of same business, then according to the priority of data flow respectively by data buffer storage in the transmit queue of corresponding priority.According to the priority order from high to low of data flow, the data flow of same business is dispatched to transmission.
Execution mode based on the above user terminal provided, the present invention further provides a kind of data transmission system, and this system comprises the user terminal that above-mentioned execution mode is mentioned.Realize referring to the description of Fig. 4 illustrated embodiment for the composition of modules in user terminal and function, do not repeat them here.
Refer to Fig. 5, Fig. 5 is the structural representation of another execution mode of the application's user terminal, and present embodiment user terminal 200 comprises processor 21, memory 24 and bus 25.Wherein, processor 21 couples memory 24 by bus 25.Described memory 24 is for relevant informations such as storage service data, basic input output system, application program and operating systems.Wherein, when needs run user terminal 200, by being solidificated in basic input output system in memory 24 or the bootloader guidance system in embedded system, started, guiding user terminal 200 enters normal operating condition.After user terminal 200 enters normal operating condition, run application and operating system in memory 24, and make:
Processor (processor) 21 is for receiving the data flow of same business, and the data flow of same business is divided into groups according to priority, and according to priority, order is from high to low dispatched transmission to the data flow of same business;
The processor 21 of the embodiment of the present application may be a central processor CPU, or be configured to implement one or more integrated circuits of the embodiment of the present application or specific integrated circuit ASIC(Application Specific Integrated Circuit).
Elaboration by above-mentioned execution mode, be appreciated that, be different from the situation of prior art, the application provides a kind of method of transfer of data and user terminal, system, by the data flow to same business, according to priority, divided into groups, distinguish the data of same business different priorities, thereby order according to priority is from high to low dispatched transmission to the data of same business different priorities.By such mode, for the data flow of same business, the business datum that priority is high can access preferential transmission.Thereby can make terminal more reasonably utilize the network bandwidth, improve the service quality of business and the utilance of bandwidth.
In the several embodiment that provide in the application, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described module or unit, be only that a kind of logic function is divided, during actual the realization, other dividing mode can be arranged, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as the separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed on a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the purpose of the present embodiment scheme.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, also can adopt the form of SFU software functional unit to realize.
If the form of SFU software functional unit of usining described integrated unit realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium.Understanding based on such, the all or part of of the part that the application's technical scheme contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) carry out all or part of step of the described method of each embodiment of the application.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CDs.
The foregoing is only the application's embodiment; not thereby limit the scope of the claims of the application; every equivalent structure or conversion of equivalent flow process that utilizes present specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the application's scope of patent protection.
Claims (10)
1. the method for a transfer of data, is characterized in that, comprising:
Receive the data flow of same business, the data flow of described same business is divided into groups according to priority;
By the data flow of described same business after grouping according to priority order from high to low dispatch transmission.
2. method according to claim 1, is characterized in that,
The corresponding TCP/IP of described business connects, the data flow of the same business of described reception, and the step that the data flow of described same business is divided into groups according to priority comprises:
Receive the data flow of same business, the data flow of described same business is divided into to control information, up initial data; Or receive the data flow of same business, the data flow of described same business is divided into to control information, up initial data and uplink retransmission data, wherein, the priority of described control information is higher than the described data retransmission of uploading, and the described priority of data retransmission of uploading is higher than described up initial data.
3. method according to claim 1, is characterized in that,
Described business is visual telephone business, the data flow of the same business of described reception, and the step that the data flow of described same business is divided into groups according to priority comprises:
The data flow of receiver, video telephone service, be divided into audio data stream and video data stream by the data flow of described visual telephone business, and wherein, the priority of audio data stream is higher than video data stream.
4. method according to claim 1, it is characterized in that, described by the data flow of described same business after grouping according to priority order from high to low dispatch the step sent and is specially: the data flow of the described same business after dividing into groups is buffered in respectively in the transmit queue of corresponding priority, and order is from high to low dispatched transmission according to priority.
5. a user terminal, is characterized in that, comprises Service Processing Module and air protocol processing module, wherein:
Described Service Processing Module, for receiving the data flow of same business, divided into groups according to priority to the data flow of described same business, and the data flow of the described same business after grouping is sent to respectively to described air protocol processing module;
Described air protocol processing module, for the data flow of described same business by after grouping according to priority order from high to low the data flow of described same business is dispatched to transmission.
6. user terminal according to claim 5, is characterized in that,
Described Service Processing Module also for and described air protocol processing module between set up at least two data transmission channels, the priority that each described data transmission channel is corresponding different, described Service Processing Module sends to respectively described air protocol processing module by least two data transmission channels corresponding with data flow priority by the data flow of the described same business after grouping.
7. user terminal according to claim 5, is characterized in that,
When the corresponding TCP/IP of described business connects, described Service Processing Module, for receiving the data flow of same business, is divided into control information, up initial data by the data flow of described same business; Or receive the data flow of same business, the data flow of described same business is divided into to control information, up initial data and uplink retransmission data, and described control information and up initial data or control information, up initial data and uplink retransmission data are sent to the air protocol processing module, wherein, the priority of described control information is higher than the described data retransmission of uploading, and the described priority of data retransmission of uploading is higher than described up initial data.
8. user terminal according to claim 5, is characterized in that,
When described business is visual telephone business, described Service Processing Module is for the data flow of receiver, video telephone service, the data flow of described visual telephone business is divided into to audio data stream and video data stream, and by the data transmission channel of corresponding priority, described audio data stream and video data stream are sent to described air protocol processing module, wherein, the priority of audio data stream is higher than video data stream.
9. user terminal according to claim 5, it is characterized in that, described air protocol processing module is for being buffered in respectively from the data flow of the described same business of described Service Processing Module the transmit queue of corresponding priority, and order is from high to low dispatched transmission according to priority.
10. a data transmission system, is characterized in that, comprises the described user terminal of claim 5-9 any one.
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