CN107426797A - For accessing the section managing and control system and method for net side - Google Patents
For accessing the section managing and control system and method for net side Download PDFInfo
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- CN107426797A CN107426797A CN201710291751.7A CN201710291751A CN107426797A CN 107426797 A CN107426797 A CN 107426797A CN 201710291751 A CN201710291751 A CN 201710291751A CN 107426797 A CN107426797 A CN 107426797A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/06—Testing, supervising or monitoring using simulated traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
Abstract
The invention provides a kind of section managing and control system for being used to access net side.The system includes：For the module for the dicing strategy that access net side is formulated based on network demand；For sending instruction message to virtual base station management and control module based on the dicing strategy, to complete the module of the incidence relation between section and virtual base station；And for the module according to the associated virtual base station of the instruction message arrangement section.The system according to the present invention being capable of effectively management and control and the section of control access net side, the mapping relations established based on network demand between section and base station, and neatly enter Mobile state adjustment.
Description
Technical field
The invention belongs to communication technical field, more particularly to a kind of section managing and control system and method for being used to access net side.
Background technology
Network is cut into slices, i.e. virtual network, refers to that operator is syncopated as multiple virtual ends in a hardware infrastructure
To end network, it utilizes logic rather than physical resource, realizes the mode of networking on demand, can be entered according to continually changing user's request
Row adjustment, and quickly meet the new demand servicing of new application demand.For example, in the epoch that the 5G epoch, which are empty, not to be joined, will have substantial amounts of
Equipment accesses network, and these equipment adhere to different industrial circles separately, and they have the characteristics of different and demand.Such as, for forest
Fireproof Internet of Things application, is distributed in big quantity sensor detection temperature, humidity and the precipitation of forest, and these sensors are typically quiet
It is only motionless, it is not necessary to the mobility management and control such as frequent switching, location updating is needed as smart mobile phone.And work as 5G network applications
In the fields such as unmanned, tele-robotic control, then require ultralow end-to-end time delay, this time delay than smart mobile phone without
The time delay of line online is much lower.Therefore, these new applications continued to bring out for the mobility of network, security, time delay,
The demand of reliability is different.The multiple network service suitable for different application can be provided by network section, realizes net
Network is shared.
Efficient network section management and control function is the basis that Logistics networks section safely, effectively provides network service.Mesh
Before, architecture design, resource-sharing and management and control etc. progress of isolating and cut into slices that moving communicating field is cut into slices mainly for network
Research, these researchs are focused primarily on core-network side, and for accessing section management and the not specific solution of control of net side
Certainly scheme and Practice Measures.
The content of the invention
A kind of the defects of it is an object of the invention to overcome above-mentioned prior art, there is provided section management and control of effective access network
Mechanism.
A kind of the first aspect of the present invention, there is provided section managing and control system for being used to access net side.The system includes：
Slicing parameter configuration module：For formulating the dicing strategy of access net side based on network demand；
Section management and control module：For sending instruction message to virtual base station management and control module based on the dicing strategy, with complete
Into the incidence relation between section and virtual base station；
Virtual base station management and control module：For according to the associated virtual base station of the instruction message arrangement section.
Preferably, the network demand includes at least one in time delay, bandwidth, safety grades, capacity and battery life
.
Preferably, the dicing strategy for formulating access net side includes determining slit mode, determines wirelessly to provide between section
At least one of in the shared model or determination virtual base station resource related information in source.
Preferably, the slit mode include a section exclusively enjoy a virtual base station, a section exclusively enjoy it is multiple virtual
A virtual base station is shared in base station, multiple sections or multiple virtual base stations are shared in multiple sections.
Preferably, according to coverage, service user number, the covering power of virtual base station or the virtual base station of section demand
Load capacity at least one of determine the slit mode.
Preferably, the virtual base station resource related information include frequency spectrum resource reserve ratio, frequency spectrum resource allocation proportion,
At least one of in spectral bandwidth.
Preferably, the slicing parameter configuration module also includes cutting described in formulating with reference to the wireless capability message of access network
Piece strategy.
Preferably, the slicing parameter configuration module also includes changing based on the network state and/or network demand monitored
Become to dynamically adjust the dicing strategy.
Preferably, the instruction message is used to indicate at least one in section establishment, section release or section renewal.
According to the second aspect of the invention, there is provided a kind of section management-control method for being used to access net side, including following step
Suddenly：The dicing strategy of access net side is formulated based on network demand；Sent based on the dicing strategy to virtual base station management and control module
Message is indicated, to complete the incidence relation between section and virtual base station；Associated according to the instruction message arrangement section
Virtual base station.
The advantage of the invention is that can effectively management and control and control access net side section, according to network demand establish cut
Mapping relations between piece and base station, and neatly enter Mobile state adjustment.
Brief description of the drawings
Embodiments of the present invention is further illustrated referring to the drawings, wherein：
Fig. 1 show it is according to an embodiment of the invention section management-control method the network architecture and four kinds of cutting sides
Formula.
Fig. 2 shows the high-level schematic functional block diagram of the section managing and control system of access network according to an embodiment of the invention.
Fig. 3 diagrammatically illustrates the generalized flow chart of slice information management and control according to an embodiment of the invention.
Fig. 4 shows the radio resource allocation example schematic based on slit mode 3.
Fig. 5 diagrammatically illustrates the establishment section based on slit mode 3 and the flow chart of data transfer.
Fig. 6, which is shown, to be applied to the example of super base station architecture according to the section managing and control system of the present invention.
Fig. 7 shows the flow chart of the section management-control method of access net side according to an embodiment of the invention.
Embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is only used for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to just
Illustrate only in description, accompanying drawing to about the related part of invention.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.
In the following description, user or user equipment, it is the terminal device for receiving data, including but not limited to moves
Dynamic platform, cell phone, smart phone etc. and the other types of communication equipment for being linked into wireless network, for example, sensor, instrument
Instrument, unmanned plane, robot etc..Access network refers to the access device that user equipment is linked into wireless network, including GSM base stations,
Enhancement mode node B (eNodeB), node B, base station controller etc..
Virtual base station (Virtual Base-Station, VBS) refers to traditional base by the means of software virtualization
Station rack structure virtually turns to multiple virtual base stations.For example, for centralized base station framework C-RAN (Centralized,
Cooperative, Cloud Radio Access Network), can be by a number of computing unit (Calculate
Unit, CU) a big central machine room is put together at, and these CU is connected with each other with certain structure to form CU ponds,
And a number of CU is virtualized into as a virtual base station.Belong to existing with process of establishing for the establishment strategy of virtual base station
There is technology, be not described in detail herein.
In the present invention, the target for accessing the section management and control of net side is to establish the incidence relation of virtual base station and section, with
Realize the section virtualization of access net side.Fig. 1 shows access network side slicing virtualization according to an embodiment of the invention
Network architecture diagram and four kinds of slit modes.
It is shown in Figure 1, in this embodiment, according to the demand factor of section (for example, coverage, peak throughput,
Peak user number etc.) and virtual base station disposal ability etc., devise the slit mode of following four type.
Slit mode 1 refers to that a section exclusively enjoys a virtual base station, such as the Slice1 in figure.The type is applicable to work as
The coverage and/or service user number of a certain section demand can meet by 1 virtual base station, and when service user number reaches
Virtual base station is nearly at the scene of full load during peak value.
Slit mode 2 refers to that a section exclusively enjoys multiple virtual base stations, such as Slice2.The type needs suitable for a certain section
The coverage and/or service user number asked need multiple virtual base stations to meet, it may be necessary to multiple types (for example,
WCDMA, TD-SCDMA, TDD-LTE, FDD-LTE etc.) virtual base station, work as service user number simultaneously for each virtual base station
Full load is nearly at when reaching peak value, and it is equal with proof load to be more or less the same at the time of multiple virtual base stations reach full load
Weighing apparatus property.
Slit mode 3 refers to that a virtual base station is shared in multiple sections, such as Slice3 and Slice4.The type is applicable to
When the coverage and/or service user number of two or more section demands can be met by 1 virtual base station, and work as
When total service user number of two sections reaches peak value, virtual base station is nearly at the scene of full load.
Slit mode 4 refers to that multiple virtual base stations are shared in multiple sections, such as Slice5 and Slice6.The type is applied to two
The coverage and/or service user number of individual or two or more section demand need multiple virtual base stations to meet, it may be necessary to more
Kind standard, is nearly at full load, and virtual base station reaches when reaching peak value simultaneously for each virtual base station service user number
It is more or less the same at the time of to full load harmonious with proof load.In addition, for some virtual base station, associated two are cut
Piece or two service user number peak values are misaligned or the peak user number that wherein almost overlaps to be less than or equal to virtual base station completely negative
The ability of load.
By will cut into slices and base station attaching relation be divided into different type can flexibly meet section the needs of and fill
The resource using virtual base station divided.
In addition, in management and control of cutting into slices, it is also necessary to consider the shared model of Radio Resource between section, alternatively, the present invention
There are Three models, i.e. dynamic assignment mode, fixed allocation mode and enhancing allocation model.Fixed allocation mode refers to section by solid
Certainty ratio or fixed frequency range use Radio Resource, do not consider business demand factor etc..Dynamic assignment mode refers to that consideration business needs
The factor such as seek, when the practical business demand of section is less than or equal to the stock number that service agreement is signed, be allocated on demand,
And when the practical business demand of section is more than the stock number that service agreement is signed, then it is allocated by service agreement.Enhancing point
Refer to the excellent of the priority (can such as being obtained from service provider/operator, i.e. SAP), user that further consideration is cut into slices with pattern
First level (can also be obtained from SAP) is to optimize radio resource allocation.
The present invention by designing different types of slit mode and radio resource allocation mode, can according to be actually needed into
Row flexible configuration, to be applicable different application scenarios.
According to an aspect of the present invention, there is provided a kind of section managing and control system for being used to access net side.The section management and control system
System can be according to the demand (i.e. SAP) of third party service provider/operator come to managing and controlling access network side slicing, function bag
Include the attaching relation for the section for determining virtual base station；Establish the incidence relation of section and respective virtual base station；For each section point
With radio spectrum resources etc..
For example, in Fig. 2 embodiment, section managing and control system 200 includes slicing parameter configuration module 210, section management and control mould
Block 220 and virtual base station management and control module 230.
Slicing parameter configuration module 210 is used to formulate dicing strategy based on network demand information.
The expectation for the service performance that network demand message reflection user can provide for network, including time delay is (such as
50ms, 100ms), bandwidth (such as 20M), capacity (such as 100Mbps), safety grades and battery life (battery last as desired
Time) etc..The network demand information is typically according to Client-initiated type of service by service provider/operator (i.e. SAP)
Or user customized type service determines, and it is sent to access network.
Slicing parameter configuration module 210 can reasonably distribute section resource or system according to the network demand information obtained
Dicing strategy is determined, to provide the user satisfied service, so as to ensure that the network of user is experienced.
In one embodiment, the section resource/dicing strategy includes but is not limited to：Cut into slices number, slit mode, with
The relevant parameter of virtual base station belonging to section, the resource ratio reserved for affiliated section of such as virtual base station.
In another embodiment, dicing strategy can further include the shared model of Radio Resource between section, example
Such as, dynamic assignment mode, fixed allocation mode, enhancing allocation model etc..By distributing being total to for Radio Resource between different sections
The pattern of enjoying can maximally utilize Internet resources on the basis of user's request is met.
In addition, slicing parameter configuration module 210 can also provide the interface with other functional modules, such as come for receiving
From in the network demand of other modules, or obtain wireless capability parameter of access network of other module feedbacks etc..
In yet another embodiment, in order that the dicing strategy of distribution more conforms to the ability of access network, to avoid Yin Qie
Piece resource exception or failure caused by the bearing capacity of base station, can cut further combined with wireless capability parameter to formulate
Piece strategy, for example, combining the available virtual base station number obtained, the configuration of available spectral bandwidth etc. to formulate dicing strategy.
In addition, when SAP network demands change, slicing parameter configuration module 210 can update cutting for above-mentioned distribution
Piece strategy, for example, renewal slit mode etc..By this update mode, network, which is cut into slices, disclosure satisfy that the dynamic need of user, example
Such as, for certain business demand of the interim proposition of user, access network has dynamically distributes dicing strategy ability, so as to improve net
Network resource utilization.
Section management and control module 220 is the kernel control module for access network virtualization, and it realizes Radio Resource in void
It is shared with isolating between plan operator.Management and control module 220 of cutting into slices is equal with parameter configuration module 210 and virtual base station management and control module
There is interface, its function includes：Establishment, release, renewal and the section of section are completed by the information exchange between virtual base station
Initial configuration etc., so as to establish the mapping relations between section and virtual base station.For example, section management and control module 220 can be used for
Cutting into slices belonging to notice virtual base station, affiliated PLMN etc..
Virtual base station management and control module 230 is used for the instruction for receiving section management and control module 220, that notice virtual base station uses
Property parameter, so as to configure the virtual base station of meet demand.For example, according to section and the mapping relations of virtual base station, set empty
Intend label such as PLMN, type of service etc. belonging to base station.For example, when user's request is changed, user and access network are cut into slices not
During matching, virtual base station management and control module 230 can receive the feedback information of user, and the error feedback is reported into section management and control module
220。
For example, virtual base station management and control module 230 utilizes the virtual base station resource related information configuration section in dicing strategy
Affiliated virtual base station.For example, configuration virtual base station is the frequency spectrum resource that the section uses 80%.And for example, when multiple sections are common
When enjoying a virtual base station, configure the virtual base station and be used for allocation proportion of frequency spectrum resource of each section etc..
Total described, slicing parameter configuration module 210 is used to formulate the related strategy of section resource；Section management and control module
220 are used for cut into slices workflow management and control during creating；Virtual base station management and control module 230 is used to configure virtual base station.This
Module Division mode of the kind based on function, it is possible to achieve access the network virtualization of net side, management and the section of control access network.
This mode can ensure that the logic function of each module is relatively single, independent, so as to reduce the degree of coupling and the realization between module
Complexity.
It will be appreciated by those skilled in the art that without departing from the spirit and scope of the present invention, it is above-mentioned
The division of functional module can have a variety of modifications.For example, One function module is integrated into be managed collectively the section of access network.
Below in conjunction with Fig. 3, the information exchange between each functional module for being shown in Fig. 2 and parameter transmittance process are carried out
Description.The information exchange between each module during access network side slicing management and control and parameter transmittance process are divided into three in Fig. 3
The individual stage：Section initialization establishing stage S310, distribution of services stage S320 and section more new stage S330.
21) S310, section initialization establishing stage.
Fig. 3 step 1 is to 8 streams for showing the section function completed of initialization each module of establishing stage and information exchange
Cheng Tu.
In step 1, slicing parameter configuration module, which receives, comes from VNO or the network of service provider
Requirement message.Network demand parameter such as comprising time delay, bandwidth, security, capacity and battery life.
In step 2, slicing parameter configuration module configuration related slices parameter/dicing strategy.
For example, section relevant parameter includes application message, slice type, section capacity information, restrictive condition etc..Using letter
Breath refers to the diversified feature of business transmission demand (such as network bandwidth, time delay, handling capacity)；Slice type refers to section above
Between Radio Resource shared model (such as dynamic assignment mode, fixed allocation mode, enhancing allocation model)；Section capacity information refers to
Virtual base station personalizing parameters, resource reservation ratio, resource allocation ratio etc.；Restrictive condition refers to that some other formulation is cut
The constraints of piece resource.
In step 3, slicing parameter configuration module tangential section management and control module sends section request to create message.
The section resource of configuration can be included in request to create message of cutting into slices, for example, section number, slit mode etc..
In step 4, management and control module of cutting into slices creates message according to the section received and carries out section initialization, and section is initial
Change and complete：Generation section ID generations, the virtual base station ID for configuring section ownership etc..
In steps of 5, management and control module of cutting into slices sends virtual base station personalizing parameters to virtual base station management and control module, for example,
Pass through virtual base station request to create/or existing virtual base station parameter-configuring request message etc..
In step 6, virtual base station management and control module initialization virtual base station, i.e., according to virtual base station personalizing parameters and
The virtual base station that the generation of some default parameters customizes, or the relevant parameter configuration of the virtual base station to having generated are carried out more
Newly.
In step 7, virtual base station management and control module tangential section management and control module feedback virtual base station, which creates, completes or configures more
New completion message.
In step 8, section, which creates, completes, and section management and control module preserves and safeguards section example.
22) S320, data transfer phase.
After Fig. 3 step 9 shows that section creates completion to 17, the signal of data transfer or business transmission is proceeded by
Flow chart.
In step 9, section management and control module knows that downlink business reaches, for example, core network service reaches access network.
In step 10, management and control module of cutting into slices screens section that the business should belong to and notifies to associate according to the network ID that cuts into slices
Virtual base station.
In a step 11, it is virtual according to belonging to section with virtual base station mapping table and the determination section of virtual base station label
Base station, the mapping relations established between section and virtual base station.
In step 12, management and control module of cutting into slices can adjust section resource according to the network condition of monitoring, and new is cut
Virtual base station of the piece resource notification to association.
For example, section management and control module can according to shared by the adjustment section such as portfolio, handling capacity, time delay of reality resource ratio
Example, wherein resource ratio shared by section observes Radio Resource all the time shares principle, resource-sharing principle is exactly that above-mentioned four kinds are cut
The mode of dividing and shared section management and control, virtual resource layer, the principle of physical resource layer.
In step 13, virtual base station management and control module carries out resource updates according to the resource adjusted on demand.
In step 14 to 16, downlink traffic transmission is proceeded by, data are transmitted to user.
In step 17, during business transmission, when the data and user profile mismatch or data of business transmission can not pass
When being defeated by user, mistake can step by step be reported, correctly issued until obtaining to virtual base station management and control feedback error information by user
Untill data.
23) S330, section more new stage
Fig. 3 step 18 diagrammatically illustrates the flow charts for renewal of cutting into slices to 27.
Section management and control module real time monitoring network state, can not meet user's request or SAP network demands in current slice
In the case of change, slicing parameter configuration module reconfigures section resource, and section new information is issued to virtually step by step
Base station management and control module, realize and existing section is updated.For example, new section resource can be by cutting into slices more in step 21
Newly/section rebuilds request message and is sent to section management and control module, and section management and control module please by the virtual base station change of step 22
Message is asked to be sent to the virtual base station of correlation.Other processes and the process that section initialization creates are substantially similar, no longer superfluous herein
State.
For a further understanding of the present invention, slit mode 3 is described further below, and (a virtual base is shared in i.e. multiple sections
Stand) section generation and data transfer management and control flow.As shown in figure 4, for slit mode 3, it can be assumed that this is shared
Virtual base station divide into two logical Virtual base stations, with other correlation modules form two virtual networks, i.e., two section.With
Exemplified by frequency spectrum resource distribution, frequency spectrum resource is allocated according to section demand, realizes that two sections are total to frequency spectrum resource
With.
Fig. 5 diagrammatically illustrates the establishment section based on slit mode 3 and the flow chart of data transfer.
In order to be compared, step same with function phase in Fig. 3 Fig. 5 is identified using identical reference number.Show with Fig. 3
Unlike the flow of meaning, slicing parameter configuration module receives the network demand from SAP1, SAP2 (referring to step 1a, step
1b), it is necessary to complete two section resources configuration and establishment (referring to step 2, step 3), and due to being that two sections are shared
One virtual base station, section management and control module needs the allocation proportion of the frequency spectrum resource of two sections of distribution, for example, being configured to 2：3
(referring to step 4), other steps are similar with shown in Fig. 3, will not be described in detail herein.
In summary, the section managing and control system designed by the present invention disclosure satisfy that the basic work(to section management and control
Can, when SAP network demands change, message processing flow will not be changed, and be simply updated in transmission information and wrapped
The parameter configuration contained.
The section managing and control system of the present invention goes for general mobile communications network framework, for example, as shown in Figure 6
Wireless access network (C-RAN) framework (not shown) of super architecture of base station or real-time cloud type infrastructure based on open platform.
Correspondingly, on the other hand, the present invention also provides a kind of section management-control method for being used to access net side, such as Fig. 7 institutes
Show.
1) step S710, network demand is obtained.
The expectation for the service performance that network demand message reflection user can provide for network, for example, including time delay,
Bandwidth, security, capacity and battery life etc..Network demand information is typically by service provider/operator (i.e. SAP) basis
Client-initiated type of service or the customized type service of user determine, and are sent to access network.
2) step S720, dicing strategy is determined based on network demand.
Section resource can be reasonably distributed according to the network demand information obtained or formulates dicing strategy, think user
Satisfied service is provided, so as to ensure that the network of user is experienced.
In addition, when SAP network demands change, dicing strategy can be updated, for example, renewal slit mode etc..It is logical
This mode is crossed, " network section " disclosure satisfy that the dynamic need of user, for example, being needed for certain business of the interim proposition of user
Ask, access network has the ability of dynamic allocation of resources, so as to improve network resource utilization.
3) step S730, the mapping relations established based on dicing strategy between section and virtual base station.
For example, when newly establishing the section of access network, can based on the slit mode in dicing strategy come establish section and
Mapping relations between virtual base station.This step is used to notify cutting into slices belonging to virtual base station, affiliated PLMN etc..
4) step S740, the virtual base station belonging to configuration section.
In this step, the affiliated virtual base of the virtual base station resource related information configuration section in dicing strategy is utilized
Stand.For example, configuration virtual base station is the frequency spectrum resource that the section uses 80%.And for example, when a virtual base is shared in multiple sections
When standing, the allocation proportion that the virtual base station is used for the frequency spectrum resource of each section is configured.
It is described above various embodiments of the present invention, described above is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.The selection of term used herein, purport
Best explaining the principle of each embodiment, practical application or to the technological improvement in market, or make the art its
Its those of ordinary skill is understood that each embodiment disclosed herein.
Claims (10)
1. a kind of section managing and control system for being used to access net side, including：
Slicing parameter configuration module, for formulating the dicing strategy of access net side based on network demand；
Section management and control module, for sending instruction message to virtual base station management and control module based on the dicing strategy, to complete to cut
Incidence relation between piece and virtual base station；
Virtual base station management and control module, for according to the associated virtual base station of the instruction message arrangement section.
2. system according to claim 1, wherein, the network demand includes time delay, bandwidth, safety grades, capacity
With at least one in battery life.
3. system according to claim 1, wherein, the dicing strategy for formulating access net side includes determining cutting side
Formula, determine section between Radio Resource shared model or determine virtual base station resource related information at least one of.
4. system according to claim 3, wherein, the slit mode include a section exclusively enjoy a virtual base station,
One section exclusively enjoys multiple virtual base stations, a virtual base station is shared in multiple sections or multiple virtual base stations are shared in multiple sections.
5. system according to claim 3, wherein, according to the coverage of section demand, service user number, virtual base station
Covering power or virtual base station load capacity at least one of determine the slit mode.
6. system according to claim 3, wherein, the virtual base station resource related information includes the reserved ratio of frequency spectrum resource
At least one of in example, frequency spectrum resource allocation proportion, spectral bandwidth.
7. system according to claim 1, wherein, the slicing parameter configuration module is also included with reference to the wireless of access network
Ability information formulates the dicing strategy.
8. the system according to any one of claim 1 to 7, wherein, the slicing parameter configuration module also includes base
Change in the network state monitored and/or network demand to dynamically adjust the dicing strategy.
9. the system according to any one of claim 1 to 7, wherein, the instruction message be used to indicating section create,
At least one of in section release or section renewal.
10. a kind of system according to one of claim 1-9 is used for the section management-control method for accessing net side, comprise the following steps：
The dicing strategy of access net side is formulated based on network demand；
Instruction message is sent to virtual base station management and control module based on the dicing strategy, to complete between section and virtual base station
Incidence relation；
According to the associated virtual base station of the instruction message arrangement section.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108900357A (en) * | 2018-08-01 | 2018-11-27 | 重庆邮电大学 | A kind of network slice virtual resource allocation method virtualized under C-RAN network |
| CN109819429A (en) * | 2019-02-28 | 2019-05-28 | 重庆大学 | Communication network restoration and reconstruction and dynamic networking method |
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