CN103428028B - Service quality maintenance method and system for heterogeneous network - Google Patents
Service quality maintenance method and system for heterogeneous network Download PDFInfo
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- CN103428028B CN103428028B CN201310329137.7A CN201310329137A CN103428028B CN 103428028 B CN103428028 B CN 103428028B CN 201310329137 A CN201310329137 A CN 201310329137A CN 103428028 B CN103428028 B CN 103428028B
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Abstract
The invention discloses a method and a system for maintaining service quality of a heterogeneous network.A service request containing a user service QoS requirement and sent by a terminal is received, and a user level and the user QoS requirement corresponding to the service request are obtained; acquiring a bearer channel corresponding to the service request according to the service condition and the channel quality of the bearer channel, dynamically creating a QoS service execution queue corresponding to the bearer channel, and sending a start notification of service packet transmission to the terminal for the terminal to transmit the service based on the bearer channel; the embodiment of the invention has the advantages of carrying out service transmission by comprehensively considering the factors of the user priority, the service QoS requirement and the wireless transmission resource capacity, and improving the utilization rate of network resources.
Description
Technical field
The present invention relates to communication technical field, particularly relate to the service quality maintenance side of a kind of heterogeneous network
Method and system.
Background technology
Under normal circumstances, it is wirelessly transferred kind transmission many, different owing to the communication of wireless sub network section exists
Kind QoS(Quality of Service, service quality) supportability is different and each saves
Point radio transmission apparatus configuration variance is big, the QoS supportability of wireless sub network combination is difficult to simply return
Class or merging, thus it is difficult to reach United Dispatching and the distribution of QoS Support Resource.
Prior art or product exist the simple matching degree according to business Yu wireless network and selects nothing
Gauze network, this mode lacks the bearing capacity to wireless network and accounts for；It addition, it is existing
Though the support method with feedback mechanism consider the bearing capacity of current wireless network, but
The diversity demand of business and the priority level of user are not accounted for, network resource utilization
The highest.
Summary of the invention
In consideration of it, be necessary to provide the service quality maintaining method of a kind of heterogeneous network and system, to carry
High network resource utilization.
The embodiment of the invention discloses the service quality maintaining method of a kind of heterogeneous network, including following step
Rapid:
Controller receives the service request comprising customer service qos requirement that terminal sends, and obtains described industry
The user class of business request correspondence and user's qos requirement；
Service condition according to Bearer Channel and channel quality, it is corresponding that controller obtains described service request
Bearer Channel, the dynamic creation QoS business corresponding with described Bearer Channel performs queue, and to
Terminal sends the startup notice of business transmission, transmits business for terminal based on described Bearer Channel.
Preferably, the described service condition according to Bearer Channel and channel quality, controller obtains described
The Bearer Channel that service request is corresponding, including:
Service condition according to Bearer Channel and channel quality, it is judged that whether Bearer Channel disclosure satisfy that institute
State
Service request；
When Bearer Channel disclosure satisfy that described service request, controller obtains described industry according to qos policy
The Bearer Channel that business request is corresponding.
After the QoS business that preferably, described dynamic creation is corresponding with described Bearer Channel performs queue,
Send the startup notice of business transmission to terminal before, also include:
The task priority of queue, queue length, described carrying is performed according to the described QoS business created
The busy situation of channel, according to default described qos policy, by the described QoS industry in controller
Business performs queue and is forwarded in described Bearer Channel, described Bearer Channel perform described QoS business
Perform the data transmission of queue.
Preferably, the described startup notice sending business transmission to terminal, the most also include:
The described startup notice that terminal sends according to controller, performs queue and Q according to described QoS business
OS strategy transmission business.
Preferably, the service quality maintaining method of described heterogeneous network also includes:
The described qos policy that controller storage pre-sets.
The embodiment of the present invention is also disclosed the service quality of a kind of heterogeneous network and safeguards system, including controller
；
Described controller is used for:
Receive the service request comprising customer service qos requirement that terminal sends, obtain described service request
Corresponding user class and user's qos requirement；
Service condition according to Bearer Channel and channel quality, obtain the carrying that described service request is corresponding
Channel, the QoS business execution queue that dynamic creation is corresponding with described Bearer Channel, and send out to terminal
Send the startup notice that business is transmitted, transmit business for terminal based on described Bearer Channel.
Preferably, described controller is additionally operable to:
Service condition according to Bearer Channel and channel quality, it is judged that whether Bearer Channel disclosure satisfy that institute
State service request；
When Bearer Channel disclosure satisfy that described service request, controller obtains described industry according to qos policy
The Bearer Channel that business request is corresponding.
Preferably, described controller is additionally operable to:
The task priority of queue, queue length, described carrying is performed according to the described QoS business created
The busy situation of channel, according to default described qos policy, by the described QoS industry in controller
Business performs team
Row are forwarded in described Bearer Channel, described Bearer Channel perform described QoS business and perform queue
Data transmission.
Preferably, the service quality of described heterogeneous network safeguards that system also includes terminal；
Described terminal is used for:
The described startup notice sent according to controller, performs queue and QoS plan according to described QoS business
The defeated business of brief biography.
Preferably, described controller is additionally operable to:
The described qos policy that storage pre-sets.
The embodiment of the present invention receives the service request comprising customer service qos requirement that terminal sends, and obtains
User class that described service request is corresponding and user's qos requirement；Use feelings according to Bearer Channel
Condition and channel quality, obtain the Bearer Channel that described service request is corresponding, and dynamic creation is with described
The QoS business that Bearer Channel is corresponding performs queue, and sends the startup notice of business transmission to terminal
, transmit business for terminal based on described Bearer Channel；Compared in prior art, heterogeneous wireless
The diversity of concrete business demand and the priority level of user is not considered when network carries out data transmission
The method directly carrying out business transmission, the embodiment of the present invention has and considers user priority rank
, QoS of survice requires and the factor of wireless transmission resources ability carries out the beneficial effect of business transmission,
Improve network resource utilization.
Accompanying drawing explanation
Fig. 1 is that each entity of heterogeneous network QoS maintaining method of the present invention specifically disposes an embodiment functional module
Schematic diagram；
Fig. 2 is the service quality maintaining method first embodiment high-level schematic functional block diagram of heterogeneous network of the present invention
；
Fig. 3 be heterogeneous network of the present invention service quality maintaining method in described in Fig. 1 IMS calling and resource
Strategy configuration entity one embodiment high-level schematic functional block diagram；
Fig. 4 is service quality maintaining method the second embodiment high-level schematic functional block diagram of heterogeneous network of the present invention
；
Fig. 5 is that the service quality of heterogeneous network of the present invention safeguards system first embodiment high-level schematic functional block diagram
；
Fig. 6 is that the service quality of heterogeneous network of the present invention safeguards system the second embodiment high-level schematic functional block diagram
。
The realization of embodiment of the present invention purpose, functional characteristics and advantage will in conjunction with the embodiments, referring to the drawings
It is described further.
Detailed description of the invention
Technical scheme is further illustrated below in conjunction with Figure of description and specific embodiment.Should
Working as understanding, specific embodiment described herein, only in order to explain the present invention, is not used to limit
Determine the present invention.
Fig. 1 is that each entity of heterogeneous network QoS maintaining method of the present invention specifically disposes an embodiment functional module
Schematic diagram, as it is shown in figure 1, the functional entity involved by the session level QoS guarantee stage includes:
Terminal, heterogeneous network interconnection controller and wireless channel equipment, the interconnection control of described heterogeneous network
Device processed includes: IMS(IP Multimedia Subsystem, IP multimedia system) calling
With resource configuration entity, controller QoS queue group and the several part of QoS packet scheduler；Institute
State wireless channel equipment and include channel QoS queue group.
Embodiment of the present invention heterogeneous wireless subnet QoS maintaining method is broadly divided into two parts: session level Q
OS access and routing phase, and packet level QoS dynamic dispatching stage.The service class of wireless network
Type generally speaking can classify as conversation class stream business and Packet Service, and conversation class stream business is advanced
Row session level QoS access and routing phase process, and carry out the packet level QoS dynamic dispatching stage afterwards
Process；Packet Service can be directly entered the packet level QoS dynamic dispatching stage and process.
Specific descriptions based on embodiment described in Fig. 1, refer to Fig. 2, Fig. 2 is heterogeneous network of the present invention
Service quality maintaining method first embodiment high-level schematic functional block diagram；Described in Fig. 2, embodiment is with isomery
Network interconnection controller (being the most all referred to as " controller ") is described as subject of implementation
。
As in figure 2 it is shown, the service quality maintaining method of heterogeneous network of the present invention comprises the following steps:
Step S01, controller receive the service request comprising customer service qos requirement that terminal sends,
Obtain user class corresponding to described service request and user's qos requirement；
Terminal originating service request, this service request includes customer service qos requirement；Controller receives
The service request that terminal sends, IMS calling and resource configuration entity are obtained by self policy library and use
Family rank；The SIP/SDP(Session Initiation Protocol sent due to terminal
, Session initiation Protocol；Session Description Protocol, Session Description Protocol
) the customer service qos requirement that comprises in message, therefore controller please by the business that terminal sends
Ask and can also get the qos requirement comprised in this service request.Meanwhile, the channel Q of controller
OS set of queues can get the use of QoS transfer resource and spendable Bearer Channel situation.
Step S02, according to the service condition of Bearer Channel and channel quality, controller obtains described business
The Bearer Channel that request is corresponding, the QoS business execution team that dynamic creation is corresponding with described Bearer Channel
Row, and to
Terminal sends the startup notice of business transmission.
Controller is according to the use of the QoS transfer resource got and can service condition, it is judged that QoS passes
Whether Bearer Channel corresponding to defeated resource disclosure satisfy that the described service request that terminal sends；Holding
Information carrying road disclosure satisfy that when described service request meets, and controller obtains described industry according to qos policy
The Bearer Channel that business request is corresponding, the QoS business execution that dynamic creation is corresponding with described Bearer Channel
Queue；And sending, to terminal, the startup notice that traffic packets is transmitted, notice terminal can start industry
The packet transmission of business plane.To this, complete the process of session level QoS access and routing phase.
Fig. 3 be heterogeneous network of the present invention service quality maintaining method in described in Fig. 1 IMS calling and resource
Strategy configuration entity one embodiment high-level schematic functional block diagram；As it is shown on figure 3, the IMS calling in Fig. 1
Being performed by policy mechanism with resource configuration entity, two essential elements carrying out policy control are
PEP(Policy Enforcement Point, Policy Enforcement Point) and PDP(Policy
Decision Point, policy decision point).
PEP is normally on network node, implementation strategy decision-making；PDP is normally at the plan depositing strategy
Slightly on server, major function is to make strategic decision-making.In system described in Fig. 1, when user advises
In the case of mould is little, related entities can be unified in the IMS calling of heterogeneous network interconnection controller
With in resource configuration entity, and at terminal and the session establishment phase of controller, for carrying out self-application
Carry out interlayer between Service events and the resource management of IP bearing bed of layer (i.e. SIP session layer) to coordinate
Work.IETF(Internet Engineering Task Force, Internet Engineering is appointed
Business group) the COPS(Common Open Policy Servic of exchanging policy information that formulates
E, Common open policy service) agreement, Request-Response(between PDP and PEP
Request-reply) policy information communication and the exchange of other inter-entity policy information.PEP receives
From the policy service requests of equipment, and the policy service requests received is mail to corresponding therewith
PDP, PDP according to request in relevant parameter (such as QoS business perform queue priority of task
Level, queue length, the busy situation etc. of described Bearer Channel), make a policy, and decision-making
Beam back PEP；PEP performs the operation being correlated with according to the decision-making of PDP, and strategy is converted into face the most at last
To the instruction of concrete equipment, and the network equipment is configured and operates, to meet relevant QoS's
Control target.
In the embodiment of the present invention, described qos policy refers to the strategy pre-set of controller storage,
This strategy is specified by network manager is unified, so that the heterogeneous network of employing different QoS technology can
Realize unified QoS management.
In the packet level QoS dynamic dispatching stage, controller performs queue according to the described QoS business created
Task priority, QoS business perform the queue length of queue, the busy situation of Bearer Channel,
According to presetting
Qos policy, by controller QoS business perform queued packets be forwarded to obtain carrying letter
In road, this Bearer Channel perform described QoS business and perform the data transmission of queue, and to terminal
Send the startup notice of traffic packets transmission, for terminal based on described Bearer Channel packet transmission industry
Business.
Concrete function structural representation based on embodiment described in Fig. 1 and Fig. 3, packet QoS dynamic queue adjusts
The functional entity of degree includes: heterogeneous network internetworking controller and wireless sub network radio equipment, different
Functional entity in network forming network interconnection controller equipment includes controller QoS queue group and QoS packet
Dispatcher；Wireless sub network radio equipment includes channel QoS queue group.
Terminal originating service request and proceed by service plane packet transmission after, controller is according to QoS plan
Slightly producing controller queue, controller QoS queue group has possessed priority level, and packet level QoS divides
Group scheduling machine is long according to the queue of the priority of controller QoS queue group, controller QoS queue group
The busy situation of degree and channel QoS queue group feedback and the scheduling strategy in the qos policy preset
, channel QoS queue group is moved in the packet of controller QoS queue group and is transmitted.
Fig. 4 is service quality maintaining method the second embodiment high-level schematic functional block diagram of heterogeneous network of the present invention
；Specific descriptions based on embodiment described in Fig. 1 to Fig. 3, the difference of embodiment described in Fig. 4 Yu Fig. 2
It is to add after step S02:
The described startup notice that step S03, terminal send according to controller, holds according to described QoS business
Row queue and qos policy transmission business.
The startup notice that terminal sends according to controller, performs queue according to qos policy to QoS business and enters
The packet transmission of row service plane.
The embodiment of the present invention receives the service request comprising customer service qos requirement that terminal sends, and obtains
User class that described service request is corresponding and user's qos requirement；Use feelings according to Bearer Channel
Condition and channel quality, obtain the Bearer Channel that described service request is corresponding, and dynamic creation is with described
The QoS business that Bearer Channel is corresponding performs queue, and sends the startup notice of business transmission to terminal
, transmit business for terminal based on described Bearer Channel；Have consider user priority rank,
The factor of QoS of survice requirement and wireless transmission resources ability carries out the beneficial effect of business transmission, carries
High network resource utilization.
Fig. 5 is that the service quality of heterogeneous network of the present invention safeguards system first embodiment high-level schematic functional block diagram
；As it is shown in figure 5, the service quality of heterogeneous network of the present invention safeguards that system includes controller 100.
In the present embodiment, there is gateway controller 100 at the specific functional modules schematic diagram of application scenarios and right
The specific descriptions of this controller 100 refer to the specific descriptions of embodiment described in Fig. 1 and Fig. 3, at this
Repeat no more.
Specific descriptions based on embodiment described in Fig. 1 and Fig. 3, as it is shown in figure 5, heterogeneous network of the present invention
In service quality maintenance system, controller 100 is used for:
Receive the service request comprising customer service qos requirement that terminal sends, obtain described service request
Corresponding user class and user's qos requirement；
Service condition according to Bearer Channel and channel quality, obtain the carrying that described service request is corresponding
Channel, creates the QoS business corresponding with described Bearer Channel and performs queue, and send industry to terminal
The startup notice of business transmission, transmits business for terminal based on described Bearer Channel.
Terminal originating service request, this service request includes customer service qos requirement；Controller 100
Receiving the service request that terminal sends, IMS calling and resource configuration entity are obtained by self policy library
Take user class；Due to the customer service qos requirement comprised in the SIP/SDP message that terminal sends
, the service request that therefore controller 100 is sent by terminal can also get in this service request
The qos requirement comprised.Meanwhile, the channel QoS queue group of controller 100 can get QoS biography
The use of defeated resource and spendable Bearer Channel situation.
Controller 100 is according to the use of the QoS transfer resource got and can service condition, it is judged that Qo
Whether Bearer Channel corresponding to S transport resource disclosure satisfy that the described service request that terminal sends；?
When Bearer Channel disclosure satisfy that described service request, controller 100 obtains described according to qos policy
The Bearer Channel that service request is corresponding, creates the QoS business corresponding with described Bearer Channel and performs team
Row；And sending, to terminal, the startup notice that traffic packets is transmitted, notice terminal can start business
The packet transmission of plane.To this, complete the process of session level QoS access and routing phase.
In the embodiment of the present invention, described qos policy refers to the plan pre-set of controller 100 storage
Slightly, this strategy is specified by network manager is unified, so that using the heterogeneous network of different QoS technology
It is capable of unified QoS management.
In the packet level QoS dynamic dispatching stage, controller 100 performs team according to the described QoS business created
The task priority of row, QoS business perform the queue length of queue, the busy situation of Bearer Channel
, according to default qos policy, the QoS business in controller 100 is performed queued packets and is forwarded to
In the Bearer Channel obtained, this Bearer Channel perform described QoS business and perform the data biography of queue
Defeated, and send, to terminal, the startup notice that traffic packets is transmitted, for terminal based on described carrying letter
Road packet transmission business.
Terminal originating service request and proceed by service plane packet transmission after, controller 100 is according to Q
OS strategy produces controller queue, and controller QoS queue group has possessed priority level, packet level Q
OS packet scheduler is according to the priority of controller QoS queue group, the team of controller QoS queue group
Row length and channel
Scheduling strategy in the busy situation of QoS queue group feedback and default qos policy, by controller
The packet of QoS queue group is moved channel QoS queue group and is transmitted.
Fig. 6 is that the service quality of heterogeneous network of the present invention safeguards system the second embodiment high-level schematic functional block diagram
；The present embodiment with the difference of embodiment described in Fig. 5 is, adds terminal 200；Described terminal 20
0 is used for:
The described startup notice sent according to controller, performs queue and QoS plan according to described QoS business
The defeated business of brief biography.
The startup notice that terminal 200 sends according to controller 100, performs QoS business according to qos policy
Queue carries out the packet transmission of service plane.
The embodiment of the present invention receives the service request comprising customer service qos requirement that terminal sends, and obtains
User class that described service request is corresponding and user's qos requirement；Use feelings according to Bearer Channel
Condition and channel quality, obtain the Bearer Channel that described service request is corresponding, and dynamic creation is with described
The QoS business that Bearer Channel is corresponding performs queue, and sends the startup notice of business transmission to terminal
, transmit business for terminal based on described Bearer Channel；Have consider user priority rank,
The factor of QoS of survice requirement and wireless transmission resources ability carries out the beneficial effect of business transmission, carries
High network resource utilization.
It should be noted that in this article, term " include ", " comprising " or its any other
Variant is intended to comprising of nonexcludability, so that include the process of a series of key element, side
Method, article or system not only include those key elements, but also its including being not expressly set out
His key element, or also include want intrinsic for this process, method, article or system
Element.In the case of there is no more restriction, statement " including ... " key element limited
, it is not excluded that there is also additionally in including the process of this key element, method, article or system
Identical element.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only the preferred embodiments of the present invention, not thereby limit its scope of the claims, every
Utilize equivalent structure or equivalence flow process conversion that description of the invention and accompanying drawing content made, directly
Or indirectly it is used in other relevant technical fields, the most in like manner it is included in the patent protection of the present invention
In the range of.
Claims (8)
1. the service quality maintaining method of a heterogeneous network, it is characterised in that comprise the following steps:
Controller receives the service request comprising customer service qos requirement that terminal sends, and obtains described business
The user class of request correspondence and user's qos requirement；
Service condition according to Bearer Channel and channel quality, it is corresponding that controller obtains described service request
Bearer Channel, the QoS business execution queue that dynamic creation is corresponding with described Bearer Channel, according to the institute created
State QoS business and perform the task priority of queue, queue length, the busy situation of described Bearer Channel, press
According to default qos policy, the described QoS business in controller is performed queue and is forwarded to described Bearer Channel
In, described Bearer Channel perform described QoS business and perform the data transmission of queue, and send industry to terminal
The startup notice of business transmission, transmits business for terminal based on described Bearer Channel.
2. the method for claim 1, it is characterised in that the described use feelings according to Bearer Channel
Condition and channel quality, controller obtains the Bearer Channel that described service request is corresponding, including:
Service condition according to Bearer Channel and channel quality, it is judged that whether Bearer Channel disclosure satisfy that described
Service request；
When Bearer Channel disclosure satisfy that described service request, controller obtains described business according to qos policy
The Bearer Channel that request is corresponding.
3. method as claimed in claim 1 or 2, it is characterised in that described to terminal transmission business transmission
Startup notice, the most also include:
The described startup notice that terminal sends according to controller, performs queue and QoS according to described QoS business
Strategy transmission business.
4. method as claimed in claim 1 or 2, it is characterised in that also include:
The described qos policy that controller storage pre-sets.
5. the service quality of a heterogeneous network safeguards system, it is characterised in that include controller；
Described controller is used for:
Receive the service request comprising customer service qos requirement that terminal sends, obtain described service request pair
The user class answered and user's qos requirement；
Service condition according to Bearer Channel and channel quality, obtain the carrying letter that described service request is corresponding
Road, the QoS business execution queue that dynamic creation is corresponding with described Bearer Channel, according to the described QoS created
Business performs the task priority of queue, queue length, the busy situation of described Bearer Channel, according in advance
If qos policy, by controller described QoS business perform queue be forwarded in described Bearer Channel,
Performed described QoS business by described Bearer Channel and perform the data transmission of queue, and send business biography to terminal
Defeated startup notice, transmits business for terminal based on described Bearer Channel.
6. system as claimed in claim 5, it is characterised in that described controller is additionally operable to:
Service condition according to Bearer Channel and channel quality, it is judged that whether Bearer Channel disclosure satisfy that described
Service request；
When Bearer Channel disclosure satisfy that described service request, controller obtains described business according to qos policy
The Bearer Channel that request is corresponding.
7. the system as described in claim 5 or 6, it is characterised in that also include terminal；
Described terminal is used for:
The described startup notice sent according to controller, performs queue and qos policy according to described QoS business
Transmission business.
8. the system as described in claim 5 or 6, it is characterised in that described controller is additionally operable to:
The described qos policy that storage pre-sets.
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| CN108293024B (en) | 2016-02-04 | 2022-02-25 | 华为技术有限公司 | Service data transmission method and device |
| CN106160800A (en) * | 2016-06-22 | 2016-11-23 | 邦彦技术股份有限公司 | Data transmission method and device |
| CN108134851B (en) * | 2018-03-16 | 2019-07-23 | 浙江远算云计算有限公司 | The method for controlling quality of service and device of data transmission |
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| CN1921444A (en) * | 2005-08-24 | 2007-02-28 | 上海原动力通信科技有限公司 | Method for classified package dispatching and resource distributing based on service quality |
| CN101572950A (en) * | 2008-04-30 | 2009-11-04 | 华为技术有限公司 | Session establishment method and device for IP multimedia subsystem |
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| CN103167620A (en) * | 2011-12-15 | 2013-06-19 | 中国移动通信集团设计院有限公司 | Radio resource distribution method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8594132B2 (en) * | 2011-05-17 | 2013-11-26 | Argela Yazilim ve Bilisim Teknolojileri San. ve Tic. A.S. | Quality of service cognizant scheduler for femtocell base stations |
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| CN1921444A (en) * | 2005-08-24 | 2007-02-28 | 上海原动力通信科技有限公司 | Method for classified package dispatching and resource distributing based on service quality |
| CN101572950A (en) * | 2008-04-30 | 2009-11-04 | 华为技术有限公司 | Session establishment method and device for IP multimedia subsystem |
| CN101771619A (en) * | 2010-03-16 | 2010-07-07 | 中国电子科技集团公司第三十研究所 | Network system for realizing integrated security services |
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Address after: 518057, Shenzhen Province, Nanshan District hi tech Zone, Guangdong hi tech Zone, No. 9, building 8, East Applicant after: BANGYAN TECHNOLOGY CO., LTD. Address before: 518057, Shenzhen Province, Nanshan District hi tech Zone, Guangdong hi tech Zone, No. 9, building 8, East Applicant before: Shenzhen Bangyan Information Technology Co., Ltd. |
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Address after: 518000 2101, No. 100, Zhihe Road, Dakang community, Yuanshan street, Longgang District, Shenzhen, Guangdong Patentee after: BANGYAN TECHNOLOGY Co.,Ltd. Address before: 518057 East, 8th floor, software building, No. 9, Gaoxin Zhongyi Road, high tech Zone, Nanshan District, Shenzhen, Guangdong Province Patentee before: BANGYAN TECHNOLOGY Co.,Ltd. |
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