CN103297942A - Data transmission method, equipment and system - Google Patents
Data transmission method, equipment and system Download PDFInfo
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Abstract
An embodiment of the invention discloses a data transmission method used for improving utilization rate of resources. The method includes media processing equipment receives service requests sent by a user terminal and is located in a wireless access network of the user terminal; the media processing equipment acquires service data corresponding to the service requests; the media processing equipment acquires air interface resource information and/or transmission resource information of a cell of the user terminal; the media processing equipment performs content adaptation and/or bit stream selection on the service data according to the acquired air interface resource information and/or transmission resource information. The embodiment of the invention further discloses a data transmission system and related equipment.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of data transmission method, equipment and system.
Background technology
See also Fig. 1, traditional global system for mobile communications (UMTS, Universal Mobile Telecommunications System)/high-speed packet access (HSPA, High Speed Packet Access) the media network framework comprises: wireless access network (RAN, Radio Access Network), back haul link (Backhaul) transmission network, key (Backbone) transmission network, packet switching (PS, Packet Switch) core net, content distributing network (CDN, Content Distributed Network), business platform and ISP.
Wherein, RAN comprises base station (NodeB) and radio network controller (RNC, Radio Network Controller), the PS core net comprises GPRS serving GPRS support node (SGSN, Serving GPRS Support Node) and gateway GPRS supporting node (GGSN) (GGSN, Gateway GPRS Support Node).
When user terminal requests is carried out the PS business, this service request arrives business platform by RAN, Backbone transmission network, PS core net and CDN, business platform gets access to corresponding business datum according to this service request from ISP (Intemet SP), perhaps from CDN, get access to the corresponding cache business datum, and by CDN, PS core net, Backbone transmission network and RAN business datum is sent to user terminal.
Before business datum was sent to user terminal, in order to improve utilization rate of network resource, user terminal of the prior art or CDN can carry out the selection of the adaptive and/or code stream of content according to the resource situation between user terminal and the network.
But, resource situation between user terminal and the network can be embodied in interface-free resources information and the resource information of residential quarter, user terminal place, no matter be that user terminal or CDN obtain these resource informations, there is certain hysteresis in the capital, and that interface-free resources information and resource information often change is very fast, can make that adaptive result with selection can not be corresponding with current resource situation accurately so carried out the selection of the adaptive and/or code stream of content by user terminal or CDN, thereby reduce resource utilization.
Summary of the invention
The embodiment of the invention provides a kind of data transmission method, equipment and system, is used for improving the utilance of resource.
The data transmission method that the embodiment of the invention provides comprises: medium processing device receives the service request that user terminal sends, and described medium processing device is positioned at the wireless access network at described user terminal place; Described medium processing device obtains described service request corresponding service data; Described medium processing device obtains subscriber policy from strategy and charging rule functions PCRF entity; Described medium processing device obtains interface-free resources information and/or the resource information of residential quarter, described user terminal place; Described medium processing device carries out content adaptation and/or code stream selection according to described subscriber policy to described business datum according to the interface-free resources information and/or the resource information that get access to.
The medium processing device that the embodiment of the invention provides, described medium processing device is positioned at the wireless access network at user terminal place, and described medium processing device comprises: receiving element is used for receiving the service request that user terminal sends; First acquiring unit is used for obtaining the described service request corresponding service data that described receiving element receives; Second acquisition unit is used for obtaining interface-free resources information and/or the resource information of residential quarter, described user terminal place; Data processing unit is used for according to interface-free resources information and/or resource information that described second acquisition unit gets access to the business datum that described first acquiring unit gets access to being carried out content adaptation and/or code stream selection; Described medium processing device also comprises: the 3rd acquiring unit is used for obtaining subscriber policy from strategy and charging rule functions PCRF entity; Described data processing unit also is used for according to described interface-free resources information and/or described resource information, according to described subscriber policy described business datum is carried out content adaptation and/or code stream selection.
The data transmission system that the embodiment of the invention provides comprises: medium processing device and PCRF entity.
As can be seen from the above technical solutions, the embodiment of the invention has the following advantages:
In the embodiment of the invention, carried out the selection of the adaptive and/or code stream of content by medium processing device, medium processing device is positioned at wireless access network, can be more promptly and accurately so obtain radio open resource information and/or resource information from wireless access network, thus improved resource utilization.
Description of drawings
Fig. 1 is the structural representation of network in the prior art;
Fig. 2 is the structural representation of network in the embodiment of the invention;
Fig. 3 is embodiment schematic diagram of data transmission method of the present invention;
Fig. 4 is another embodiment schematic diagram of data transmission method of the present invention;
Fig. 5 is another embodiment schematic diagram of data transmission method of the present invention;
Fig. 6 is another embodiment schematic diagram of data transmission method of the present invention;
Fig. 7 is another embodiment schematic diagram of data transmission method of the present invention;
Fig. 8 is embodiment schematic diagram of medium processing device of the present invention;
Fig. 9 is another embodiment schematic diagram of medium processing device of the present invention;
Figure 10 is embodiment schematic diagram of PCRF entity of the present invention;
Figure 11 is the unified embodiment schematic diagram of data transmission system of the present invention.
Embodiment
The embodiment of the invention provides a kind of data transmission method, system and relevant device, is used for improving the utilance of resource.
See also Fig. 2, the network configuration in the embodiment of the invention can comprise:
Wireless access network, packet switched core network, backbone transport network, content distributing network CDN, business platform and ISP, optional, can also comprise strategy and charging rule functions (PCRF, Policy and Charging Rules Function) entity.
Wireless access network links to each other by the backbone transport network with packet switched core network.Packet switched core network communicates by Gi interface and CDN.Medium processing device communicates with business platform and CDN respectively by the Gi interface, and optional, medium processing device can also communicate by Gi interface and PCRF entity.
Wherein, include the base station in the Radio Access Network, RNC and medium processing device, base station and RNC can be used for finishing user's wireless access; Medium processing device can be used for the business datum of local cache user terminal requests, and by wireless access network data in buffer is sent to user terminal, optionally, medium processing device can also be used for media business to accelerate, and carries out content adaptation and/or code stream selection to sent business datum.Medium processing device can be positioned at the RNC side, can be built among the RNC, also can be independent of RNC and arrange.Each RNC can corresponding medium processing device, also can the corresponding medium processing device of a plurality of RNC.
Include SGSN and GGSN in the packet switched core network, can be used for finishing PS user's access authentication.
Business platform can be used for finishing the customer service access-in management.
CDN can be used for finishing professional storage transmission and user terminal is redirected to corresponding medium processing device.
The PCRF entity can be used for generating subscriber policy, and is handed down to corresponding medium processing device.
Need to prove, network configuration shown in Figure 2 also goes for the follow-up embodiment of the invention, and the scheme among all embodiment of the present invention is not only applicable to the UMTS network, is applicable to the network of other types too, long-term evolving network etc. for example, follow-up repeating no more.
Below the data transmission method in the embodiment of the invention is described in detail, sees also Fig. 3, object lesson of the data transmission method in the embodiment of the invention comprises:
301, medium processing device receives service request;
When user terminal carries out business to network side initiation service request with request, medium processing device can get access to this service request that user terminal sends, the business of describing in present embodiment and the subsequent embodiment can be Packet Service, for example, can be mobile data services in actual applications, video traffic, audio service etc. are not specifically done restriction herein.
Need to prove that in the present embodiment, described medium processing device is positioned at the wireless access network at user terminal place.
302, medium processing device obtains business datum;
Medium processing device can obtain this service request corresponding service data after receiving service request, the concrete mode of obtaining business datum can have multiple, will be described in detail in subsequent embodiment.
303, medium processing device obtains interface-free resources information and/or resource information;
Medium processing device is after getting access to business datum, can obtain interface-free resources information and/or the resource information of residential quarter, user terminal place, namely can obtain the interface-free resources information of residential quarter, user terminal place, perhaps, obtain resource information, perhaps, obtain interface-free resources information and the resource information of residential quarter, user terminal place.
For example, medium processing device can get access to these information from RNC, also can be from other network elements of wireless access network, and for example evolution base station gets access to these information, does not specifically do restriction herein.
304, medium processing device carries out content adaptation and/or code stream selection to business datum.
Medium processing device gets access to after interface-free resources information and/or the resource information, and business datum is carried out content adaptation and/or code stream selection, namely can carry out content adaptation, perhaps, code stream selection can be carried out, perhaps, also content adaptation and code stream selection can be carried out.
In the present embodiment, carried out the selection of the adaptive and/or code stream of content by medium processing device, so medium processing device is positioned at wireless access network, obtaining radio open resource information and/or resource information from wireless access network can be more promptly and accurately, thereby has improved resource utilization.
For the ease of understanding, be described with the data transmission method in the embodiment of the invention of another embodiment below, specifically see also Fig. 4, another embodiment of the inventive method comprises:
401, medium processing device receives and presets business datum;
Need to prove that in the present embodiment, medium processing device is positioned at the wireless access network at user terminal place.Presetting business datum can be the most popular business datum of part, can be the business datum of specific user terminal request also, does not limit herein.
Medium processing device receives presetting after the business datum that CDN sends, and can preserve this and preset business datum, for example, can this presets business datum at local cache.
402, medium processing device receives subscriber policy;
Wherein, subscriber policy can be generated by strategy and the end message of charging rule functions PCRF entity according to user terminal.
For example, this end message can comprise information such as terminal type, terminal operating system and/or terminal software version, this end message can be sent to the PCRF entity by business platform, also can be by the PCRF entity according to the terminal international mobile station equipment identification code IMEI information of wireless access network to the transmission of PCRF entity, query facility identification log server EIR acquires, and does not limit herein.
In the present embodiment, for example, can report IMEI information to the PCRF entity by RNC, be understandable that, in actual applications, can report IMEI information to the PCRF entity by other network elements of wireless access network equally.
After the PCRF entity gets access to end message, can generate subscriber policy, can be at different users' precedence information according to this subscriber policy, and different service quality (QoS, Quality of Service) information is carried out corresponding service and is handled.
Need to prove that the PCRF entity can also further get access to this user's CAMEL-Subscription-Information except generating the subscriber policy according to end message from the home subscriber register, and generates subscriber policy in conjunction with this CAMEL-Subscription-Information.
In the present embodiment, medium processing device can be integrated among the RNC, perhaps is integrated in the evolution base station, and then this moment, medium processing device can obtain subscriber policy in the following way:
When medium processing device is integrated among the RNC, medium processing device can receive the RAB (RAB that PCRF sends, Radio Access Bearer) distributes request, this RAB distributes in the request and comprises the RAB parameter field, in this RAB parameter field, include to distribute and keep priority (ARP, Allocation/Retention Priority), medium processing device can be with this ARP as subscriber policy after getting access to this ARP.
When medium processing device is integrated in the evolution base station, medium processing device can receive the evolution RAB (eRAB that PCRF sends, evolved Radio Access Bearer) distributes request, this eRAB distributes in the request and comprises the eRAB parameter field, include ARP in this eRAB parameter field, medium processing device can be with this ARP as subscriber policy after getting access to this ARP.
Medium processing device can get access to the subscriber policy that the PCRF entity generates from the PCRF entity.
Realize that then RNC or evolution base station can get access to ARP by the way if medium processing device and RNC or evolution base station are independent respectively, medium processing device can get access to ARP from RNC or evolution base station afterwards, and concrete obtain manner is not done restriction herein.
403, medium processing device receives the service request that user terminal sends;
When user terminal carried out business to network side initiation service request with request, medium processing device can get access to this service request that user terminal sends.
Business in the present embodiment is specifically as follows Packet Service.
404, medium processing device judges whether to preserve and service request corresponding service data, if, turn to step 407, if not, turn to step 405;
After medium processing device receives the service request of user terminal transmission, can determine the corresponding business datum of this service request, medium processing device can judge whether to preserve these business datums then, for example, judges whether this locality is cached with and service request corresponding service data.
405, medium processing device sends this service request to CDN;
When medium processing device was determined not preserve the corresponding service data, medium processing device was then transmitted this service request to this CDN.
406, medium processing device receives the business datum of CDN transmission and turns to step 407;
In the present embodiment, owing to can preserve corresponding business datum among the CDN, so medium processing device after CDN has sent service request, can receive the corresponding service data from CDN.
Medium processing device is after CDN receives the corresponding service data, can also judge whether this business datum satisfies the condition that presets, if satisfy, then this business datum can be stored in medium processing device this locality, in actual applications, concrete prerequisite, for example, can specifically not limit for professional temperature reaches threshold value etc. herein.
407, medium processing device obtains interface-free resources information and/or resource information;
When medium processing device is determined to preserve business datum and obtained business datum from this locality, or after CDN gets access to business datum, can obtain interface-free resources information and/or the resource information of residential quarter, user terminal place, namely can obtain the interface-free resources information of residential quarter, user terminal place, perhaps, obtain resource information, perhaps, obtain interface-free resources information and the resource information of residential quarter, user terminal place.
For example, medium processing device can get access to these information from RNC, also can be from other network elements of wireless access network, and for example evolution base station gets access to these information, does not specifically do restriction herein.
408, medium processing device carries out sending after content adaptation and/or the code stream selection to business datum.
Wherein, medium processing device gets access to after interface-free resources information and/or the resource information, and business datum is carried out content adaptation and/or code stream selection, namely content adaptation can be carried out, perhaps, code stream selection can be carried out, perhaps, also can carry out content adaptation and code stream selection.Medium processing device also can, after getting access to interface-free resources information and/or resource information, in conjunction with before the subscriber policy that gets access to, perhaps can also carry out content adaptation and/or code stream selection to business datum further combined with business information etc.
In the present embodiment, can be at different users' precedence information according to subscriber policy, and different QoS information is carried out the corresponding service processing, so medium processing device can carry out content adaptation and/or code stream selection according to this subscriber policy according to interface-free resources information and/or resource information.
For example, active user's subscriber policy is " Gold Subscriber; priority is the highest; the service transmission rate that will guarantee this user when network environment worsens at least is 2Mbit/s; when network environment is good; the highest the transmission rate of this user's business can be increased to 20Mbit/s ", suppose that the active user is asking the playing network video, medium processing device gets access to after interface-free resources information and/or the resource information, how can determine current network environment, if interface-free resources information and/or resource information are higher than first threshold value, the expression network environment is good, then can improve the transmission rate of active user's business, namely can improve the code check that the user asks the Internet video play, reach as high as 20Mbit/s, if interface-free resources information and/or resource information are lower than second threshold value, the expression network environment worsens, then need to reduce the transmission rate of active user's business, but need to guarantee the transmission rate of 2Mbit/s at least, so can cut out or compress the Internet video that the user asks to play, make that its code check is 2Mbit/s.
Again for example, medium processing device can obtain Radio Link control (RLC, Radio Link Control) layer buffer area buffer memory occupancy, and with the interface-free resources information of this rlc layer buffer area buffer memory occupancy as residential quarter, user terminal place.
Medium processing device gets access to can judge whether this rlc layer buffer area buffer memory occupancy is higher than first threshold value that presets (for example 70%) after the rlc layer buffer area buffer memory occupancy, if, illustrate that then the current transmission rate of eating dishes without rice or wine is seriously less than the code check of business datum, if still carry out business data transmission with current code check, may make that then the data in the user terminal buffer area constantly reduce, finally cause professional the time-out, so medium processing device can reduce the code check of business datum, to reduce rlc layer buffer area buffer memory occupancy;
Medium processing device can also judge simultaneously whether rlc layer buffer area buffer memory occupancy is lower than second threshold value that presets (for example 30%), if, illustrate that then the current transmission rate of eating dishes without rice or wine obviously greater than the code check of business datum, then can improve the code check of business datum this moment and experience to improve the user.
First threshold value in the present embodiment and the concrete numerical value of second threshold value only are an example, can make amendment as the case may be in actual applications, but will make the threshold value of winning greater than second threshold value.
In the present embodiment, reduce business datum code check concrete mode can for: select the low code check burst of this business datum to send; Accordingly, improve business datum code check concrete mode can for: select the high code rate burst of this business datum to send.
Need to prove that in actual applications, medium processing device can also be realized code stream selection specifically not limiting herein in other way.
Need to prove, only be with some examples the content adaptation process in the present embodiment and/or code stream selection process to be described above, be understandable that, in actual applications, medium processing device can also carry out content adaptation and/or code stream selection according to other mode, and detailed process does not limit herein.
In the present embodiment, carried out the selection of the adaptive and/or code stream of content by medium processing device, medium processing device is positioned at wireless access network, so obtain the radio open resource information and/or resource information can be more promptly and accurately from wireless access network, can carry out resource allocation more accurately during again in conjunction with subscriber policy, thereby improve resource utilization;
Secondly, when medium processing device preservation local cache has the business datum of user terminal requests, this business datum that medium processing device directly will be preserved is sent to user terminal by wireless access network, because medium processing device is positioned at the wireless access network at user terminal place, make this business datum to transmit by core net, backbone transport networks again, thereby saved the flow of bandwidth and the core net of backbone transport networks, reduced transmission cost, reduce traffic delay, promoted user's experience.
See also Fig. 5 below, another object lesson of the embodiment of the invention comprises:
501, obtain the end message of user terminal.
After user terminal was initiated service request, the PCRF entity can obtain the end message of user terminal.
In the present embodiment, obtain the end message of user terminal and can be realized that concrete implementation will be described in detail by multiple mode in subsequent embodiment.
502, generate subscriber policy;
After the PCRF entity gets access to end message, can generate subscriber policy, can be at different users' precedence information according to this subscriber policy, and different QoS information is carried out corresponding service and is handled.
Need to prove that the PCRF entity can also further get access to this user's CAMEL-Subscription-Information except generating the subscriber policy according to end message from the home subscriber register, and generates subscriber policy in conjunction with this CAMEL-Subscription-Information.
503, send subscriber policy to medium processing device.
The PCRF entity has generated after the subscriber policy, can send this subscriber policy to medium processing device, make medium processing device to carry out content adaptation and/or code stream selection further combined with interface-free resources information and/or resource information again according to this subscriber policy.
Need to prove that in the present embodiment, medium processing device is positioned at the wireless access network at user terminal place.
In the present embodiment, medium processing device can be integrated among the RNC, perhaps is integrated in the evolution base station, and then this moment, the PCRF entity can send subscriber policy to medium processing device in the following way:
When medium processing device is integrated among the RNC, the PCRF entity can send RAB and distribute request to the RNC at medium processing device place, this RAB distributes in the request and comprises the RAB parameter field, include ARP in this RAB parameter field, medium processing device can be with this ARP as subscriber policy after getting access to this ARP.
When medium processing device is integrated in the evolution base station, the eRAB that the PCRF entity can send to the evolution base station at medium processing device place distributes request, this eRAB distributes in the request and comprises the eRAB parameter field, include ARP in this eRAB parameter field, medium processing device can be with this ARP as subscriber policy after getting access to this ARP.
In the present embodiment, generate subscriber policy and send to medium processing device by the PCRF entity, make that medium processing device can be according to this subscriber policy, further combined with interface-free resources information and/or resource information business datum is carried out content adaptation and/or code stream selection again, to improve resource utilization.
With an instantiation data transmission method in the embodiment of the invention is described below, specifically sees also Fig. 6, comprising:
601, CDN sends to medium processing device and presets business datum;
Need to prove that in the present embodiment, medium processing device is positioned at the wireless access network at user terminal place.Presetting business datum can be the most popular business datum of part, can be the business datum of specific user terminal request also, does not limit herein.
602, user terminal is initiated the PDP activation, and the user terminal of GGSN carries out access authentication;
User terminal is initiated PDP to SGSN/GGSN and is activated request, the request mobile data services, and the user terminal of GGSN carries out access authentication, if access authentication passes through, it is professional then to allow this user terminal to use, the process of concrete access authentication does not limit herein.
603, RNC sends binding relationship;
In the present embodiment, because user terminal at first all can pass through RNC to the data that network side sends, then RNC can get access to the IP address of user terminal.
RNC can send the IP address of user terminal and the binding relationship of the RNC at this user terminal place to the PCRF entity after getting access to the IP address of user terminal, i.e. user terminal and be the binding relationship of the RNC of this subscriber terminal service.
604, RNC sends terminal IMEI information;
In the present embodiment, RNC can perhaps simultaneously, send the IMEI information of user terminal to the PCRF entity after sending binding relationship.
605, the PCRF entity obtains the end message of user terminal;
The PCRF entity gets access to after the IMEI information of RNC transmission, can be according to the IMEI information of this user terminal, the end message of this user terminal is obtained in inquiry in EIR, and for example, this end message can comprise terminal type, terminal operating system and/or terminal software version information etc.
606, the PCRF entity sends subscriber policy to medium processing device;
The PCRF entity generates subscriber policy according to the end message of user terminal, and the implication of the subscriber policy of describing among this subscriber policy and the aforementioned embodiment shown in Figure 4 is identical, repeats no more herein.
In the present embodiment, medium processing device obtains the mode of subscriber policy can be identical with the step 402 described among the described aforementioned embodiment shown in Figure 4 of earlier figures 4, specifically repeats no more herein.
607, user terminal sends service request to business platform;
When user terminal carried out business to network side initiation service request with request, user terminal sent this service request to business platform.
Business in the present embodiment is specifically as follows Packet Service.
608, but whether business platform judges service request corresponding service data are cache contents;
In the present embodiment, business platform receives after the service request of user terminal transmission, can determine this service request corresponding service type, thereby determine according to this type of service but whether these service request corresponding service data are cache contents, for example, instant communication data is can not cache contents, but order program data is cache contents.When but the business datum of determining request is not cache contents, execution in step 609,610 then; When but the business datum of determining request was cache contents, then execution in step 611.
609, when but the business datum of determining request is not cache contents, business platform sends service request to Intemet SP;
When business platform determines that business datum that user terminal is asked is not cacheable content, need directly be sent professionally by Intemet SP to this user terminal, then business platform sends service request to Intemet SP.
610, Intemet SP sends business datum to user terminal;
Intemet SP obtains corresponding business datum according to this service request after the service request that receives the business platform transmission, and sends business datum to user terminal, and the transfer of data flow process namely finishes.
611, business platform sends service request to CDN;
When business platform determined that business datum that user terminal is asked is cacheable content, business platform sent this service request to CDN.
612, CDN inquires about the PCRF entity, obtains the positional information of the medium processing device of user terminal correspondence;
After CDN receives the service request that business platform sends, can send query requests to the PCRF entity, with the positional information of the medium processing device that obtains the user terminal correspondence.
Because PCRF has obtained the binding relationship that RNC reports before, can obtain the RNC at user terminal place according to above-mentioned binding information, and then can obtain the information of the medium processing device of user terminal correspondence according to the RNC at user terminal place, and feed back to CDN.
613, CDN is redirected to medium processing device with user terminal;
After the positional information of having determined medium processing device, CDN can be redirected to user terminal this medium processing device.For example, CDN can send the message of carrying the medium processing device positional information to user terminal, after indicating user terminal is received this message, sends service request to medium processing device.
614, user terminal sends service request to medium processing device;
In the present embodiment, because CDN is redirected to medium processing device with user terminal in the step 613, then user terminal sends service request to medium processing device.
615, medium processing device judges whether to preserve service request corresponding service data;
Medium processing device can judge whether to preserve this service request corresponding service data after the service request that receives the user terminal transmission.
616, when medium processing device was not preserved the business datum of this user terminal requests, medium processing device sent this service request to CDN;
If medium processing device is not preserved the corresponding service data, then medium processing device can send service request to CDN, with acquisition request corresponding service data.
617, CDN sends business datum to medium processing device;
CDN sends the corresponding service data to medium processing device after receiving the service request of medium processing device.
618, medium processing device obtains interface-free resources information and/or the resource information of residential quarter, user terminal place;
In the present embodiment, if the corresponding service data are preserved in medium processing device this locality, then can directly obtain this business datum from this locality, if the corresponding service data are not preserved in medium processing device this locality, then can obtain this business datum from CDN.
When medium processing device obtains this business datum from this locality, perhaps after CDN gets access to business datum, medium processing device obtains interface-free resources information and/or the resource information of residential quarter, user terminal place to the RNC inquiry, and this resource information can be the resource information of NodeB to RNC.
619, medium processing device according to subscriber policy, carries out content adaptation and/or code stream selection to business datum according to interface-free resources information and/or resource information;
The process of carrying out content adaptation and/or code stream selection in the present embodiment is consistent with the content that the step 408 among the aforementioned embodiment shown in Figure 4 is described, and repeats no more herein.
620, medium processing device sends business datum to user terminal.
After medium processing device carries out content adaptation and/or code stream selection to business datum, the business datum after handling can be sent to user terminal.
In the present embodiment, carried out the selection of the adaptive and/or code stream of content by medium processing device, medium processing device is positioned at wireless access network, can be more promptly and accurately so obtain radio open resource information and/or resource information from wireless access network, thus improved resource utilization;
Secondly, when medium processing device preservation local cache has the business datum of user terminal requests, this business datum that medium processing device directly will be preserved is sent to user terminal by wireless access network, because medium processing device is positioned at the wireless access network at user terminal place, make this business datum to transmit by core net, backbone transport networks again, thereby saved the flow of bandwidth and the core net of backbone transport networks, reduced transmission cost, reduce traffic delay, promoted user's experience.
With another instantiation the data transmission method in the embodiment of the invention is described below, specifically sees also Fig. 7, another embodiment of the inventive method comprises:
701～703, identical with step 601～603 among the embodiment shown in Figure 6, repeat no more herein;
704, user terminal is to business platform reporting terminal information;
When user terminal started, user terminal can be to the end message of business platform report of user terminal, and for example, this end message can comprise terminal type, terminal operating system and/or terminal software version information etc.
705, business platform is to PCRF entity reporting terminal information;
Business platform can report this end message the PCRF entity after user terminal gets access to end message.
706～720, identical with step 606～620 among the embodiment shown in Figure 6.
Among present embodiment and the aforementioned embodiment shown in Figure 6, the PCRF entity has adopted different modes to obtain the end message of user terminal respectively, is understandable that, in actual applications, the PCRF entity can also adopt other mode to obtain end message, does not do restriction herein.
In the present embodiment, carried out the selection of the adaptive and/or code stream of content by medium processing device, medium processing device is positioned at wireless access network, can be more promptly and accurately so obtain radio open resource information and/or resource information from wireless access network, thus improved resource utilization;
Secondly, when medium processing device preservation local cache has the business datum of user terminal requests, this business datum that medium processing device directly will be preserved is sent to user terminal by wireless access network, because medium processing device is positioned at the wireless access network at user terminal place, make this business datum to transmit by core net, backbone transport networks again, thereby saved the flow of bandwidth and the core net of backbone transport networks, reduced transmission cost, reduce traffic delay, promoted user's experience.
Above the data transmission method in the embodiment of the invention is described, introduce the medium processing device in the embodiment of the invention below, medium processing device in the embodiment of the invention is positioned at the wireless access network at user terminal place, see also Fig. 8, an example of the medium processing device in the embodiment of the invention comprises:
Receiving element 801 is used for receiving the service request that user terminal sends in wireless access network;
First acquiring unit 802 is used for obtaining the service request corresponding service data that receiving element 801 receives;
In the present embodiment, when user terminal carries out business to network side initiation service request with request, receiving element 801 can get access to this service request that user terminal sends, the business of describing in present embodiment and the subsequent embodiment is specifically as follows Packet Service, for example, can be mobile data services, video traffic in actual applications, audio services etc. are not specifically done restriction herein.
Need to prove that in the present embodiment, medium processing device is positioned at the wireless access network at user terminal place.
Receiving element 801 is after receiving service request, and first acquiring unit 802 can obtain this service request corresponding service data, and the obtain manner of describing among the concrete mode of obtaining business datum and the preceding method embodiment is identical, repeats no more herein.
First acquiring unit 802 is after getting access to business datum, second acquisition unit 803 can obtain interface-free resources information and/or the resource information of residential quarter, user terminal place, namely can obtain the interface-free resources information of residential quarter, user terminal place, perhaps, obtain resource information, perhaps, obtain interface-free resources information and the resource information of residential quarter, user terminal place.
For example, second acquisition unit 803 can get access to these information from RNC, also can be from other network elements of wireless access network, and for example evolution base station gets access to these information, does not specifically do restriction herein.
In the present embodiment, carried out the selection of the adaptive and/or code stream of content by the data processing unit 804 in the medium processing device, medium processing device is positioned at wireless access network, so obtaining radio open resource information and/or resource information from wireless access network can be more promptly and accurately, thereby has improved resource utilization.
For the ease of understanding, be described with the medium processing device in the embodiment of the invention of another embodiment below, specifically see also Fig. 9, another embodiment of the medium processing device of the embodiment of the invention comprises:
Receiving element 801 is used for receiving the service request that user terminal sends in wireless access network;
First acquiring unit 802 is used for obtaining the service request corresponding service data that receiving element 801 receives;
First acquiring unit 802 in the present embodiment specifically can comprise:
First obtains submodule 8022, is used for obtaining business datum from CDN when judging that submodule 9021 judges that this locality is not cached with business datum.
Second obtains submodule 8023, is used for obtaining business datum from this locality when judging that submodule 9021 judges that local cache has business datum.
In the present embodiment, after receiving element 801 receives the service request of user terminal transmission, can determine the corresponding business datum of this service request, judge that then submodule 8021 can judge whether to preserve these business datums, for example, judge whether this locality is cached with and service request corresponding service data.
When judging that submodule 8021 is determined not preserve the corresponding service data, first obtains 8022 of submodules transmits this service request to this CDN.
Owing to can preserve corresponding business datum among the CDN, so first obtain submodule 8022 after CDN has sent service request, can receive the corresponding service data from CDN.
When judging that submodule 8021 determines to preserve business datum, then second obtain submodule 8023 and can obtain business datum from this locality.
Medium processing device in the present embodiment can further include:
The 3rd acquiring unit 901 is used for obtaining subscriber policy from the PCRF entity;
Then data processing unit 804 is used for according to interface-free resources information and/or resource information, according to subscriber policy business datum is carried out content adaptation and/or code stream selection.
In the present embodiment, subscriber policy can be generated by the end message of PCRF entity according to user terminal.
For example, this end message can comprise information such as terminal type, terminal operating system and/or terminal software version, this end message can be sent to the PCRF entity by business platform, also can be by the PCRF entity according to the terminal international mobile station equipment identification code IMEI information of RNC to the transmission of PCRF entity, query facility identification log server EIR acquires, and does not limit herein.
After the PCRF entity gets access to end message, can generate subscriber policy, can be at different users' precedence information according to this subscriber policy, and different QoS information is carried out corresponding service and is handled.
Need to prove that the PCRF entity can also further get access to this user's CAMEL-Subscription-Information except generating the subscriber policy according to end message from the home subscriber register, and generates subscriber policy in conjunction with this CAMEL-Subscription-Information.
The 3rd acquiring unit 901 can get access to the subscriber policy that the PCRF entity generates from the PCRF entity.
In the present embodiment, the obtain manner of describing in the mode that the 3rd acquiring unit 901 obtains subscriber policy and the aforementioned step 402 embodiment illustrated in fig. 4 is consistent, repeats no more herein.
In the present embodiment, can be at different users' precedence information according to subscriber policy, and different QoS information is carried out the corresponding service processing, so data processing unit 804 can carry out content adaptation and/or code stream selection according to this subscriber policy according to interface-free resources information and/or resource information.
In the present embodiment, carried out the selection of the adaptive and/or code stream of content by the data processing unit 804 in the medium processing device, medium processing device is positioned at wireless access network, so obtaining radio open resource information and/or resource information from wireless access network can be more promptly and accurately, thereby has improved resource utilization;
Secondly, when medium processing device preservation local cache has the business datum of user terminal requests, this business datum that medium processing device directly will be preserved is sent to user terminal by wireless access network, because medium processing device is positioned at the wireless access network at user terminal place, make this business datum to transmit by core net, backbone transport networks again, thereby saved the flow of bandwidth and the core net of backbone transport networks, reduced transmission cost, reduce traffic delay, promoted user's experience.
Above the medium processing device in the embodiment of the invention is described, introduces the PCRF entity below, see also Figure 10, an object lesson of the PCRF entity of the embodiment of the invention comprises:
In the present embodiment, after user terminal was initiated service request, information acquisition unit 1001 can be obtained the end message of user terminal.
In the present embodiment, obtain the end message of user terminal and can be realized by multiple mode, specifically identical with the content described among the preceding method embodiment, repeat no more herein.
After information acquisition unit 1001 got access to end message, generation unit 1002 can generate subscriber policy, can be at different users' precedence information according to this subscriber policy, and different QoS information is carried out corresponding service and is handled.
Need to prove that generation unit 1002 can also further get access to this user's CAMEL-Subscription-Information except generating the subscriber policy according to end message from the home subscriber register, and generates subscriber policy in conjunction with this CAMEL-Subscription-Information.
Need to prove that in the present embodiment, medium processing device is positioned at the wireless access network at user terminal place.
In the present embodiment, the mode that tactful transmitting element 1003 sends subscriber policys is consistent with the send mode of description in the aforementioned step 503 embodiment illustrated in fig. 5, repeats no more herein.
First submodule 10011 is used for receiving the end message that business platform sends;
In the present embodiment, specifically can report IMEI information to the PCRF entity by RNC, be understandable that, in actual applications, can report IMEI information to the PCRF entity by other network elements of wireless access network equally
In the present embodiment, generate subscriber policy and send to medium processing device by tactful transmitting element 1003 by generation unit 1002, make that medium processing device can be according to this subscriber policy, further combined with interface-free resources information and/or resource information business datum is carried out content adaptation and/or code stream selection again, to improve resource utilization.
See also Figure 11, an object lesson of the data transmission system of the embodiment of the invention comprises:
The medium processing device 1101 concrete service request that are used in wireless access network, receiving the user terminal transmission in the present embodiment, obtain service request corresponding service data, obtain interface-free resources information and/or the resource information of residential quarter, user terminal place, according to the interface-free resources information that gets access to and/or resource information business datum is carried out content adaptation and/or code stream selection;
The PCRF entity 1102 concrete end messages that are used for obtaining user terminal in the present embodiment, generate subscriber policy according to the end message that gets access to, send the subscriber policy that generates to medium processing device, medium processing device is positioned at the wireless access network at user terminal place.
The content of the medium processing device 1101 in the present embodiment is identical with the content shown in earlier figures 8 or 9, repeats no more herein.
The content of the PCRF entity 1102 in the present embodiment is identical with aforementioned content shown in Figure 10, repeats no more herein.
In the present embodiment, carried out the selection of the adaptive and/or code stream of content by medium processing device 1101, medium processing device 1101 is positioned at wireless access network, so obtaining radio open resource information and/or resource information from wireless access network can be more promptly and accurately, thereby has improved resource utilization;
Secondly, when medium processing device 1101 preservation local caches have the business datum of user terminal requests, this business datum that medium processing device 1101 directly will be preserved is sent to user terminal by wireless access network, because medium processing device 1101 is positioned at the wireless access network at user terminal place, make this business datum to transmit by core net, backbone transport networks again, thereby saved the flow of bandwidth and the core net of backbone transport networks, reduced transmission cost, reduce traffic delay, promoted user's experience.
The description of the equipment that application present device and system embodiment are described, the concrete operations that system carries out transfer of data and preceding method embodiment of the present invention is similar, repeats no more herein.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
More than method, system and the relevant device of a kind of transfer of data provided by the present invention is described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a data transmission method is characterized in that, comprising:
Medium processing device receives the service request that user terminal sends, and described medium processing device is positioned at the wireless access network at described user terminal place;
Described medium processing device obtains described service request corresponding service data;
Described medium processing device obtains subscriber policy from strategy and charging rule functions PCRF entity;
Described medium processing device obtains interface-free resources information and/or the resource information of residential quarter, described user terminal place;
Described medium processing device carries out content adaptation and code stream selection according to described subscriber policy to described business datum according to the interface-free resources information and/or the resource information that get access to.
2. method according to claim 1 is characterized in that, the interface-free resources information that described medium processing device obtains residential quarter, user terminal place comprises:
Obtain Radio Link control rlc layer buffer area buffer memory occupancy.
3. method according to claim 2 is characterized in that, described medium processing device carries out code stream selection according to the interface-free resources information that gets access to and comprises:
When described rlc layer buffer area buffer memory occupancy is higher than first threshold value that presets, reduce the code check of described business datum;
When described rlc layer buffer area buffer memory occupancy is lower than second threshold value that presets, improve the code check of described business datum;
Described first threshold value is greater than described second threshold value.
4. method according to claim 1 is characterized in that, described medium processing device obtains subscriber policy from described PCRF entity and comprises:
Medium processing device receives the RAB RAB distribution request that described PCRF sends, and obtains described RAB and distributes the distribution of carrying in the request to keep priority ARP;
Or,
Medium processing device receives the evolution RAB eRAB distribution request that described PCRF sends, and obtains described eRAB and distributes the distribution of carrying in the request to keep priority ARP.
5. according to the method that each is stated in the claim 1 to 3, it is characterized in that described medium processing device obtains described service request corresponding service data and comprises:
Described medium processing device judges whether to preserve described business datum;
If do not preserve described business datum, described medium processing device obtains described business datum from content distributing network CDN;
If preserve described business datum, then described medium processing device obtains described business datum from this locality.
6. method according to claim 1 is characterized in that, described medium processing device comprised before the PCRF entity obtains subscriber policy:
Described PCRF entity obtains the end message of described user terminal;
Described PCRF entity generates described subscriber policy according to described end message;
Described PCRF entity sends described subscriber policy to described medium processing device.
7. method according to claim 6 is characterized in that, the end message that described PCRF entity obtains described user terminal comprises:
Described PCRF entity receives the described end message that business platform sends;
Or,
Described PCRF entity receives the international mobile station equipment identification code IMEI information of the described user terminal of described wireless access network transmission;
Described PCRF entity is inquired about in device authentication registrar EIR according to described IMEI information and is obtained corresponding terminal information.
8. a medium processing device is characterized in that, described medium processing device is positioned at the wireless access network at user terminal place, and described medium processing device comprises:
Receiving element is used for receiving the service request that user terminal sends;
First acquiring unit is used for obtaining the described service request corresponding service data that described receiving element receives;
Second acquisition unit is used for obtaining interface-free resources information and/or the resource information of residential quarter, described user terminal place;
Data processing unit is used for according to interface-free resources information and/or resource information that described second acquisition unit gets access to the business datum that described first acquiring unit gets access to being carried out content adaptation and code stream selection;
Described medium processing device also comprises:
The 3rd acquiring unit is used for obtaining subscriber policy from strategy and charging rule functions PCRF entity;
Described data processing unit also is used for according to described interface-free resources information and/or described resource information, according to described subscriber policy described business datum is carried out content adaptation and/or code stream selection.
9. medium processing device according to claim 8 is characterized in that, described first acquiring unit comprises:
Judge submodule, be used for judging whether to preserve described business datum;
First obtains submodule, is used for obtaining described business datum from content distributing network CDN when described business datum is not preserved in described judgement submodule judgement;
Second obtains submodule, is used for obtaining described business datum from this locality when described business datum is preserved in described judgement submodule judgement.
10. a data transmission system is characterized in that, comprising: medium processing device and PCRF entity, and described medium processing device and PCRF entity communicate to connect;
Described medium processing device is as each described medium processing device in the claim 8 to 9.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107079001A (en) * | 2014-08-21 | 2017-08-18 | 瑞典爱立信有限公司 | The backhaul compression of terminal auxiliary |
| WO2018072284A1 (en) * | 2016-10-18 | 2018-04-26 | 华为技术有限公司 | Service communication method and device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003045082A1 (en) * | 2001-10-29 | 2003-05-30 | Nokia Corporation | Adapting the data rate and/or the amount of data of content to be transmitted separately for at least two radio access networks, e.g. umts, geran |
| CN1842024A (en) * | 2005-03-31 | 2006-10-04 | 华为技术有限公司 | Wireless network controller storage resource monitoring method and system |
| CN101330436A (en) * | 2007-06-19 | 2008-12-24 | 上海贝尔阿尔卡特股份有限公司 | Method and device for transmitting adjustable multicast multimedia service data |
| CN101345776A (en) * | 2008-08-14 | 2009-01-14 | 中兴通讯股份有限公司 | Content adapting implementing method and content adapting server |
| CN101720112A (en) * | 2009-04-28 | 2010-06-02 | 中兴通讯股份有限公司 | Wireless source management method and device |
| CN101754124A (en) * | 2008-12-18 | 2010-06-23 | 中国移动通信集团上海有限公司 | Information transfer processing device, system and method |
-
2010
- 2010-08-13 CN CN2013101824875A patent/CN103297942A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003045082A1 (en) * | 2001-10-29 | 2003-05-30 | Nokia Corporation | Adapting the data rate and/or the amount of data of content to be transmitted separately for at least two radio access networks, e.g. umts, geran |
| CN1842024A (en) * | 2005-03-31 | 2006-10-04 | 华为技术有限公司 | Wireless network controller storage resource monitoring method and system |
| CN101330436A (en) * | 2007-06-19 | 2008-12-24 | 上海贝尔阿尔卡特股份有限公司 | Method and device for transmitting adjustable multicast multimedia service data |
| CN101345776A (en) * | 2008-08-14 | 2009-01-14 | 中兴通讯股份有限公司 | Content adapting implementing method and content adapting server |
| CN101754124A (en) * | 2008-12-18 | 2010-06-23 | 中国移动通信集团上海有限公司 | Information transfer processing device, system and method |
| CN101720112A (en) * | 2009-04-28 | 2010-06-02 | 中兴通讯股份有限公司 | Wireless source management method and device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107079001A (en) * | 2014-08-21 | 2017-08-18 | 瑞典爱立信有限公司 | The backhaul compression of terminal auxiliary |
| CN107079001B (en) * | 2014-08-21 | 2020-12-15 | Oppo广东移动通信有限公司 | Terminal-assisted backhaul compression method, user equipment and network node |
| US11146989B2 (en) | 2014-08-21 | 2021-10-12 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Terminal-aided backhaul compression |
| WO2018072284A1 (en) * | 2016-10-18 | 2018-04-26 | 华为技术有限公司 | Service communication method and device |
| CN109644350A (en) * | 2016-10-18 | 2019-04-16 | 华为技术有限公司 | A kind of service communication method and apparatus |
| US10880781B2 (en) | 2016-10-18 | 2020-12-29 | Huawei Technologies Co., Ltd. | Service communication method and device |
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Application publication date: 20130911 |