CN102625317A - Wireless link configuration method and system thereof - Google Patents
Wireless link configuration method and system thereof Download PDFInfo
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- CN102625317A CN102625317A CN201110032934XA CN201110032934A CN102625317A CN 102625317 A CN102625317 A CN 102625317A CN 201110032934X A CN201110032934X A CN 201110032934XA CN 201110032934 A CN201110032934 A CN 201110032934A CN 102625317 A CN102625317 A CN 102625317A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
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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]
Abstract
The invention discloses a wireless link configuration method and a system thereof. The method comprises the following steps that: base stations send idle frequency spectrum resource applications to center control nodes which the base stations belong to, the center control nodes collect the idle frequency spectrum resource applications and initiate an idle frequency spectrum resource distribution request to database which the center control nodes belong to; the database coordinates and distributes idle frequency spectrum resources between the subordinate center control nodes according to the idle frequency spectrum resource distribution request; the center control nodes response the database so as to complete the idle frequency spectrum resource coordination distribution. By using the method and the system of the invention, an interference problem between secondary systems, which may be generated when a plurality of the secondary systems or a plurality of operators compete against each other for a main system resource, can be solved; simultaneously, fairness for the each secondary system or the operator to access to the main system idle frequency spectrum can be guaranteed; the interference problem which may be generated between the base stations of the secondary systems or the operators can be solved; and the access fairness of the base stations can be guaranteed.
Description
Technical field
The present invention relates to wireless communication field, distribute the frequency spectrum resource method in particular to cognitive radio technology and database reconciliation.
Background technology
Along with the continuous progress of radiotechnics, various radio traffic emerge in multitudes, and the frequency spectrum resource that radio traffic is relied on is limited, in the face of the continuous increase of people to bandwidth demand, frequency spectrum resource shows very nervous situation; And on the other hand under traditional fixed frequency spectrum allocation model, the utilance of frequency spectrum resource is but not high.Realize that heavy traffic system (subsystem) uses the frequency spectrum resource of the low system's (main system) of the availability of frequency spectrum; And subsystem is taked certain protection mechanism; Thereby main system is not being caused under the prerequisite of interference, improving the frequency spectrum resource utilization rate of overall network.This becomes the main means that solve contradiction between increase in demand and the resource-constrained, also is the core concept of cognitive radio technology.
Because the existence of a plurality of subsystems or operator, when using the main system frequency spectrum resource, the problem disturbed between subsystem or operator possibly appear, and this requires that the reliable coordination system is arranged between subsystem or operator; On the other hand, a plurality of subsystems or operator compete the main system resource, need to ensure the access fairness of subsystem or operator, avoid occurring certain subsystem or operator and are badly in need of using the main system resource, but be not being met; And the own resource of certain subsystem or operator (as using the main system resource just in order to strengthen user's impression) very not in short supply has obtained the more resource of using.Main system idle frequency spectrum resource is reasonably distributed, could improve the availability of frequency spectrum to greatest extent like this.This also requires a Control Node can plan as a whole the access to the main system idle frequency spectrum of each subsystem or operator.
Summary of the invention
Main purpose of the present invention is to provide a kind of radio link configuration method and system, to address the above problem at least.
According to an aspect of the present invention; A kind of radio link configuration method is provided; Comprise: the idle frequency spectrum resource bid is sent to the center control nodes of said base station ownership in the base station; Said center control nodes gathers said idle frequency spectrum resource bid, and initiates the idle frequency spectrum resource allocation request to the database of said center control nodes ownership; Said database is according to idle frequency spectrum resource between said idle frequency spectrum resource allocation request coordinated allocation subordinate center control nodes; Said center control nodes responds said database and accomplishes the distribution of idle frequency spectrum resource coordination.
Further; In this method; Said database comprises according to the step of idle frequency spectrum resource between said idle frequency spectrum resource allocation request coordinated allocation subordinate center control nodes: said database root is according to frequency spectrum ceremony information; And the load condition in each center control nodes coverage, communication quality status information is carried out coordinated allocation to current idle frequency spectrum resource.
Further, in this method, saidly current idle frequency spectrum resource is carried out the coordinated allocation step comprise: the center control nodes of current available idle frequency spectrum resource allocation being given said initiation idle frequency spectrum resource allocation request; Perhaps when not having the available free frequency spectrum resource, through coordinating with other center control nodes, the center control nodes of said initiation idle frequency spectrum resource allocation request is given in the idle frequency spectrum resource allocation that said other center control nodes is shared.
Further; In this method; The step that said center control nodes responds the distribution of said database completion idle frequency spectrum resource coordination comprises: the center control nodes that frequency spectrum resource changes; According to the reprovision of its subordinate's base station resource of database command completion, and to the request of said database transmission database update.
Further; In this method, the center control nodes that said frequency spectrum resource changes comprises: initiate the idle frequency spectrum resource allocation request and obtain the center control nodes of idle frequency spectrum resource and/or through coordinated allocation its idling-resource spectrum allocation may that takies of a part is given the center control nodes of other center control nodes.
Further, said when accomplishing the reprovision of its subordinate's base station resource in this method according to database command, for overlapping region covered between center control nodes must with the resource allocation of carrying out its subordinate base station after corresponding center control nodes is consulted again.
Further, in this method, said idle frequency spectrum resource refers to not by the frequency spectrum resource of main system use.
According to an aspect of the present invention, a kind of database is provided, has comprised: the main system frequency spectrum resource uses information, and center control nodes is to the use information of idle frequency spectrum resource, center control nodes system information, frequency spectrum ceremony information; Said database is responsible for the idle frequency spectrum resource coordination between said center control nodes is distributed.
Further, said main system frequency spectrum operating position information comprises: using frequency spectrum resource information, the idle frequency spectrum resource information does not allow to use frequency spectrum resource information.
Further, said idle frequency spectrum resource information comprises at least: frequency, allows maximum transmission power at bandwidth of operation, coverage, duration that idle condition is possible.
Further, said center control nodes comprises the use information of idle frequency spectrum resource: the idle frequency spectrum resource that said center control nodes is used, and said center control nodes position.
Further, the center control nodes system information comprises: load state information, communication quality information uses statistical law information.
Further, said frequency spectrum ceremony information comprises: center control nodes priority, disturb evasion tactics, frequency spectrum lease rule.
According to an aspect of the present invention; A kind of center control nodes is provided; Said center control nodes is based on the function or the physical entity of system or operator; Comprising: said center control nodes subordinate base station idle frequency spectrum resource operating position information, load information and communication quality status information; Said center control nodes is accomplished said idle frequency spectrum resource reprovision.
Further, said center control nodes is accomplished said idle frequency spectrum resource reprovision step and comprised: center control nodes and database are coordinated the idle frequency spectrum resource alternately; Said center control nodes and other center control nodes mutual idle frequency spectrum resource use information avoid interference; Said center control nodes is according to sending corresponding measurement configuration message to the subordinate base station with the interaction results of said database and other center control nodes, and controls said subordinate base station and accomplish idle frequency spectrum resource reprovision.
According to an aspect of the present invention, a kind of radio link configuration system is provided, has comprised: the application transmitting element is used for base station idle frequency spectrum resource bid is sent to center control nodes; The summarizing and reporting unit is used to gather the base station idle frequency spectrum resource bid that said application sending module sends, and said summarized results is reported to database; The coordinated allocation unit, the idle frequency spectrum resource between the said center control nodes of summarized results coordinated allocation that is used for reporting according to said summarizing and reporting module; The assignment response unit is used to respond the coordinated allocation unit, accomplishes the idle frequency spectrum resource coordination and distributes.
Further, said coordinated allocation unit is according to the load condition in the said center control nodes coverage, and communication quality status, and frequency spectrum ceremony are carried out coordinated allocation to current idle frequency spectrum resource for each center control nodes.
Further, center control nodes subordinate's base station resource reprovision that the idle frequency spectrum resource changes is accomplished according to database command in said assignment response unit, and sends the database update request to said database.
Through the present invention, (DB is Database) according to each center control nodes (CCP for database; Central control point) coverage internal burden state, communication quality status, and frequency spectrum ceremony; (WS, White Spaces) carries out unified distribution to main system idle frequency spectrum resource; Further, each center control nodes is the WS frequency spectrum resource that the base station coordinated allocation is obtained in its control range.The benefit of its acquisition is: when solving repeatedly level system or multi-operator competition main system resource, and the interference problem between the subsystem that possibly occur; Ensured that simultaneously each subsystem or operator insert the fairness of main system idle frequency spectrum; Solved the interference problem that possibly occur between each base station in subsystem or the operator; Ensured between each base station and inserted fairness.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is an embodiment of the invention method flow diagram;
Fig. 2 is embodiment of the invention application scenarios figure;
Fig. 3 is an embodiment of the invention radio link configuration flow chart;
Fig. 4 is another signaling process of embodiment of the invention radio link configuration figure;
Fig. 5 is that embodiment of the invention database triggering CCP carries out WS frequency spectrum resource reprovision flow chart;
Fig. 6 is embodiment of the invention radio link configuration system module figure.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
According to embodiments of the invention, a kind of radio link configuration method is provided, as shown in Figure 1, this method comprises:
S10: the idle frequency spectrum resource bid is sent to the center control nodes of above-mentioned base station ownership in the base station, and above-mentioned center control nodes gathers above-mentioned idle frequency spectrum resource bid, and initiates the idle frequency spectrum resource allocation request to the database of above-mentioned center control nodes ownership;
S11: above-mentioned database is according to idle frequency spectrum resource between above-mentioned idle frequency spectrum resource allocation request coordinated allocation subordinate center control nodes;
S12: above-mentioned center control nodes responds above-mentioned database and accomplishes the distribution of idle frequency spectrum resource coordination.
Through this embodiment, when solving repeatedly level system or multi-operator competition main system resource, the interference problem between the subsystem that possibly occur; Ensured that simultaneously each subsystem or operator insert the fairness of main system idle frequency spectrum; Solved the interference problem that possibly occur between each base station in subsystem or the operator; Ensured between each base station and inserted fairness.
Step S11 can realize that above-mentioned database root is according to frequency spectrum ceremony information, and the load condition in each center control nodes coverage through following mode, and communication quality status information is carried out coordinated allocation to current idle frequency spectrum resource.
Among the step S11 current idle frequency spectrum resource being carried out the coordinated allocation step comprises: the center control nodes of current available idle frequency spectrum resource allocation being given above-mentioned initiation idle frequency spectrum resource allocation request; Perhaps when not having the available free frequency spectrum resource, through coordinating with other center control nodes, the center control nodes of above-mentioned initiation idle frequency spectrum resource allocation request is given in the idle frequency spectrum resource allocation that above-mentioned other center control nodes is shared.
Step S12 can realize through following mode, the center control nodes that frequency spectrum resource changes, and according to the reprovision of its subordinate's base station resource of database command completion, and to the request of above-mentioned database transmission database update.
The center control nodes that above-mentioned frequency spectrum resource changes among the step S12 comprises: initiate the idle frequency spectrum resource allocation request and obtain the center control nodes of idle frequency spectrum resource and/or through coordinated allocation its idling-resource spectrum allocation may that takies of a part is given the center control nodes of other center control nodes.
Above-mentioned when accomplishing the reprovision of its subordinate's base station resource among the step S12 according to database command, for overlapping region covered between center control nodes must with the resource allocation of carrying out its subordinate base station after corresponding center control nodes is consulted again.Above-mentioned idle frequency spectrum resource refers to not by the frequency spectrum resource of main system use.
The corresponding application scenarios of invention is as shown in Figure 2, the network element that relates generally to have database (DB, database), center control nodes and base station (CCP, Central controlpoint).
Above-mentioned database comprises: the main system frequency spectrum resource uses information, and center control nodes is to the use information of idle frequency spectrum resource, center control nodes system information, frequency spectrum ceremony information; Above-mentioned database is responsible for the idle frequency spectrum resource coordination between above-mentioned center control nodes is distributed.
Above-mentioned main system frequency spectrum operating position information comprises: using frequency spectrum resource information, the idle frequency spectrum resource information does not allow to use frequency spectrum resource information.
Above-mentioned idle frequency spectrum resource information comprises at least: frequency, allows maximum transmission power at bandwidth of operation, coverage, duration that idle condition is possible.
Above-mentioned center control nodes comprises the use information of idle frequency spectrum resource: the idle frequency spectrum resource that above-mentioned center control nodes is used, and above-mentioned center control nodes position.
Above-mentioned center control nodes system information comprises: load state information, communication quality information uses statistical law information.
Concrete, database D B can be provided by main system operator or third party, and database is included in this locality or comprises several local regional main system frequency spectrum resources and uses information; Center control nodes is to the use information of main system idle frequency spectrum resource; And the center control nodes system information, comprise at least: the load information in the center control nodes coverage, communication quality status information is used statistical law information; Also store frequency spectrum ceremony information in the database simultaneously, comprise at least: CCP priority, disturb evasion tactics, frequency spectrum lease rule.Main system frequency spectrum state information comprises: the frequency spectrum resource information of using includes but not limited to: frequency, bandwidth, possible duration, information such as coverage and isolation strip; Untapped frequency spectrum resource information includes but not limited to: frequency, allows information such as maximum transmission power at bandwidth of operation, coverage, possible duration; The frequency spectrum that does not allow to use (possibly be that management domain restriction frequency spectrum or operator reserve frequency spectrum etc.) resource information includes but not limited to: frequency, information such as bandwidth of operation.Each center control nodes comprises the use information of main system idle frequency spectrum: the idle frequency spectrum of its use, and this center control nodes position.Database is responsible for according to the frequency spectrum ceremony of storage each CCP being planned as a whole to distribute the main system idle frequency spectrum.
Above-mentioned center control nodes is based on the function or the physical entity of system or operator, comprising: above-mentioned center control nodes subordinate base station idle frequency spectrum resource operating position information, load information and communication quality status information; Above-mentioned center control nodes is accomplished above-mentioned idle frequency spectrum resource reprovision.
Above-mentioned center control nodes is accomplished above-mentioned idle frequency spectrum resource reprovision step and comprised: center control nodes and database are coordinated the idle frequency spectrum resource alternately; Above-mentioned center control nodes and other center control nodes mutual idle frequency spectrum resource use information avoid interference; Above-mentioned center control nodes is according to sending corresponding measurement configuration message to the subordinate base station with the interaction results of above-mentioned database and other center control nodes, and controls above-mentioned subordinate base station and accomplish idle frequency spectrum resource reprovision.
Concrete, center control nodes CCP representes the center control nodes of a system or operator, and can be to be fixedly coupled between DB; At least comprise following function: 1. converge WS frequency spectrum resource application, and send the WS resource allocation request to DB from each BS; 2. comprise each BS frequency spectrum resource of subordinate and use information, give subordinate BS the WS frequency spectrum resource coordinated allocation that gets access to; 3. receive reprovision order, and control subordinate BS carries out corresponding reprovision from DB; 4. the feedback configuration updating message is given DB, comprise obtain the WS resource after reconfiguration message upgrade, and withdraw from the config update behind the WS; 5. send perception measurement configuration message to BS, comprising the same frequency or the adjacent system information frequently of idle frequency spectrum distribution, thresholding etc. is measured in perception; 6. feedback perception measurement result is given DB.
Above-mentioned base station BS can directly link to each other with CCP, and its function includes but not limited to: the WS frequency spectrum resource that obtains is assigned to each coupled Radio Link 1.; 2. change or adjust the parameter of wireless communication technology, for example, modulation type, transmitting power; 3. administer and maintain frequency spectrums of operation, for example, working frequency points and frequency range; 4. be responsible for and the communicating by letter of center control nodes; 5. frequency spectrum perception measurement function; 6. perception Measurement and Data Processing ability.
Embodiment one
Fig. 3 is a kind of radio link configuration method flow chart that the embodiment of the invention provides, and concrete steps are following:
Step 1:BS sends the application of WS frequency spectrum resource to CCP, and CCP sends the WS resource request to DB after receiving the WS resource bid message of subordinate BS transmission;
The reason that triggers can be that BS subordinate's link communication quality can't satisfy the QoS demand, and perhaps load is overweight etc.
Step 2:DB is according to the load state information in each center control nodes coverage of its storage, and communication quality status information, and frequency spectrum ceremony are done coordinated allocation decision-making between each center control nodes to main system WS frequency spectrum resource;
Said coordinated allocation comprises distributes to the said CCP that sends application with the WS frequency spectrum resource, and orders the lighter center control nodes of present load to carry out reprovision, discharges its current WS frequency spectrum resource that takies.
Step 3: discharge the WS frequency spectrum resource that it takies if the coordinated allocation decision-making relates to relevant CCP through reprovision, then DB sends the reprovision order to this CCP;
Step 4: relevant CCP carries out reprovision according to the order of DB, and concrete steps elaborate in embodiment 2;
Step 5: after accomplishing reprovision, CCP sends DB to DB and upgrades request, and DB replys and upgrades acknowledge message;
Step 6:DB sends the response of WS resource request to the CCP that sends the request of WS frequency spectrum resource, wherein comprises the WS frequency spectrum resource information of distributing to this CCP;
WS frequency spectrum resource information includes but not limited to: frequency, bandwidth of operation, emission parameter require (like the maximum transmission power that allows etc.).
Step 7:CCP does WS frequency spectrum resource coordinated allocation between BS;
And to be between CCP WS frequency spectrum resource coordinated allocation similar for DB in the step 2, and CCP is according to load state information and the communication quality status information of each BS of its storage, the WS frequency spectrum resource that will from DB, get access to, and coordinated allocation is given each base station.
It should be noted that: in CCP independence region covered, CCP can independently do the WS coordinated allocation to subordinate BS, for overlapping region covered between CCP; The coordinated allocation to BS possibly occur, and cause interference, therefore for overlapping region covered between CCP relevant CCP owing to CCP; The information that the CCP fibrous root provides according to DB; Hold consultation with relevant CCP, and then subordinate BS is carried out resource allocation, or reprovision control.
Step 8:CCP sends to the BS of the said WS of sending resource bid with allocation result, and the BS that changes of relevant WS resource;
Step 9:BS federated user is done perception to the WS frequency spectrum resource that is distributed and is measured, and measurement result reports layer by layer, is used for the study that CCP and DB carry out environmental information;
Said perception measurement result comprises at least whether the WS frequency spectrum resource that is obtained satisfies its communicating requirement, when not satisfying, also further comprises interference source information.The interference source of WS possibly be the adjacent interference frequently in the same area, or disturbs frequently together in the adjacent C CP zone.BS learns in order to upper layer node (DB or CCP) to CCP feedback perception measurement result; And formulate the corresponding frequency spectrum allocation strategy, as redistribute the WS resource and give said BS, or to disturbing former emission parameter to adjust; To satisfy the job requirement of said BS, do not change original distribution frequency spectrum.
Step 10: the BS that frequency spectrums of operation changes carries out reprovision;
Comprising the BS that obtains the WS frequency spectrum resource, and pass through the BS that coordinated allocation discharges the WS frequency spectrum resource.
Step 11: the BS that configuration changes sends the BS configuration update message to CCP, and CCP replys with BS config update confirmation;
Step 12:CCP sends DB and upgrades request, and DB replys with DB and upgrades acknowledge message.
Embodiment two
Fig. 4 is that the embodiment of the invention provides another signaling process of radio link configuration figure, and concrete steps are following:
Step 1:BS triggers to CCP and sends the application of WS frequency spectrum resource, and CCP sends the WS resource request to DB after receiving the WS resource bid message of subordinate BS transmission;
The reason that triggers can be that BS subordinate's link communication quality can't satisfy QoS (QualityofService) QoS requirement, and perhaps load is overweight etc.
Step 2:DB is according to the load state information in each center control nodes coverage of its storage, and communication quality status information, and frequency spectrum ceremony are done coordinated allocation decision-making between each center control nodes to main system WS frequency spectrum resource;
DB can distribute a plurality of WS frequency spectrum resources for the said CCP that sends application among this embodiment, supplies its selection.
Step 3:DB sends the response of WS resource request to the CCP that sends the request of WS frequency spectrum resource, wherein comprises each WS frequency spectrum resource information of distributing to this CCP;
WS frequency spectrum resource information includes but not limited to: frequency, bandwidth of operation, emission parameter require (like the maximum transmission power that allows etc.).Comprise measurement configuration information in the assignment response simultaneously, wherein specifically comprise distribute the same frequency or the adjacent system information frequently of WS frequency spectrum, measure thresholding etc.
Step 4:CCP at first chooses one from a plurality of WS resources that DB distributes, and its coordinated allocation is given send the BS of resource bid;
It should be noted that: in CCP independence region covered, CCP can independently do the WS coordinated allocation to subordinate BS, for overlapping region covered between CCP; The coordinated allocation to BS possibly occur, and cause interference, therefore for overlapping region covered between CCP relevant CCP owing to CCP; The information that the CCP fibrous root provides according to DB; Hold consultation with relevant CCP, and then subordinate BS is carried out resource allocation, or reprovision control.
Step 5:BS federated user is done perception to the WS frequency spectrum resource that is distributed and is measured, and measurement result reports layer by layer, is used for the study that CCP and DB carry out environmental information;
Said perception measurement result comprises at least whether the WS frequency spectrum resource that is obtained satisfies its communicating requirement, when not satisfying, also further comprises interference source information.The interference source of WS possibly be the adjacent interference frequently in the same area, or disturbs frequently together in the adjacent C CP zone.BS learns in order to CCP to CCP feedback perception measurement result, and when interference source that the perception measurement result can be confirmed, CCP can give DB with the perception reporting measuring result, supply its study.And formulate the corresponding frequency spectrum allocation strategy, and choosing DB again for the WS resource of its distribution and distribute to said BS like CCP, BS will carry out the perception measuring process again; Perhaps DB adjusts disturbing former emission parameter, satisfying the job requirement of said BS, and continues to distribute this WS resource to give said BS.
Step 6: the BS that frequency spectrums of operation changes carries out reprovision;
Comprising the BS that obtains the WS frequency spectrum resource, and pass through the BS that coordinated allocation discharges the WS frequency spectrum resource.
Step 7: the BS that configuration changes sends the BS configuration update message to CCP, and CCP replys with BS config update confirmation;
Step 8:CCP sends DB and upgrades request, and DB replys with DB and upgrades acknowledge message.
Embodiment three
Fig. 5 is that the database triggering CCP that the embodiment of the invention provides carries out WS frequency spectrum resource reprovision signaling process, and concrete steps are following:
Step 1:DB does coordinated allocation between WS resource CCP;
The reason of doing coordinated allocation can be when having CCP to send the application of WS frequency spectrum resource among the embodiment 1, the WS resource reprovision of the relevant CCP that DB triggers; Perhaps DB does overall performance optimization, and the light or communication quality state of order load is CCP release portion WS resource preferably.
Step 2:DB sends the order of WS reprovision to relevant CCP;
Step 3: according to the reprovision order of DB, CCP does the coordinated decision of WS frequency spectrum resource;
If the specified WS frequency spectrum resource of DB to be load light or communication quality status BS is shared preferably, then can pass through the release that step 4,5,6 is directly carried out appointment WS frequency spectrum, and skip 7,8,9 operations that go on foot;
If the specified WS frequency spectrum resource of DB is that the BS that load is heavier or communication quality status is relatively poor is shared, can't directly carry out the operation of release WS frequency spectrum this moment, will operate as follows;
Step 4:CCP will send the reprovision order to the light BS of load;
Step 5: the light BS of load carries out reprovision, release portion WS frequency spectrum resource;
Step 6:BS sends the BS configuration update message to CCP after accomplishing reprovision, and CCP replys with BS config update acknowledge message;
Step 7:CCP sends the reprovision order to the heavier BS of load;
Comprise in the reprovision order taking the WS spectrum information (promptly going on foot the WS resource that discharges) that the link institute that specifies the WS frequency spectrum resource will switch, comprise frequency, bandwidth of operation, information such as emission parameter requirement through 4,5,6.
Step 8: the heavier BS of load carries out the WS frequency spectrum and switches, and specifies the WS frequency spectrum that will discharge to abdicate its DB that takies;
Step 9:BS sends the BS configuration update message to CCP after accomplishing reprovision, and CCP replys with BS config update acknowledge message;
Step 10:CCP sends the DB update inquiry information to DB, and DB replys with DB and upgrades acknowledge message.
Here it should be noted that CCP when doing WS resource coordination allocation strategy, relates to the variation of the used WS resource of subordinate BS, will consider equally adjacent C CP not to be caused interference, must with carry out the WS resource allocation again after relevant CCP holds consultation.
According to embodiments of the invention, a kind of radio link configuration system is provided,, as shown in Figure 6, this system comprises application transmitting element 2, summarizing and reporting unit 4, coordinated allocation unit 6 and assignment response unit 8, is described in detail in the face of The above results down.
Through embodiment this radio link configuration system is done below and further described.At first can't satisfy the QoS demand, when perhaps load is overweight, send base station idle frequency spectrum resource bid to CCP by application transmitting element 2 in BS subordinate's link communication quality; Secondly receive the resource bid that application transmitting element 2 sends by summarizing and reporting unit 4, and said resource bid is reported to coordinated allocation unit 6; Current available idle frequency spectrum resource allocation is given the center control nodes of said initiation idle frequency spectrum resource allocation request according to the load condition in the center control nodes coverage, communication quality status and frequency spectrum ceremony in coordinated allocation unit 6; Perhaps when not having the available free frequency spectrum resource; Through coordinating with other center control nodes; The center control nodes of said initiation idle frequency spectrum resource allocation request is given in the idle frequency spectrum resource allocation that said other center control nodes is shared, and said allocation result is sent to assignment response unit 8; Center control nodes subordinate's base station resource reprovision that the idle frequency spectrum resource changes is accomplished according to the result of coordinated allocation in assignment response unit 8, and sends the database update request to said database.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, and in some cases, can carry out step shown or that describe with the order that is different from here by calculation element; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1. a radio link configuration method is characterized in that, comprising:
The idle frequency spectrum resource bid is sent to the center control nodes of said base station ownership in the base station, and said center control nodes gathers said idle frequency spectrum resource bid, and initiates the idle frequency spectrum resource allocation request to the database of said center control nodes ownership;
Said database is according to idle frequency spectrum resource between said idle frequency spectrum resource allocation request coordinated allocation subordinate center control nodes;
Said center control nodes responds said database and accomplishes the distribution of idle frequency spectrum resource coordination.
2. the method for claim 1 is characterized in that, said database comprises according to the step of idle frequency spectrum resource between said idle frequency spectrum resource allocation request coordinated allocation subordinate center control nodes:
Said database root is according to frequency spectrum ceremony information, and the load condition in each center control nodes coverage, and communication quality status information is carried out coordinated allocation to current idle frequency spectrum resource.
3. method as claimed in claim 2 is characterized in that,
Saidly current idle frequency spectrum resource is carried out the coordinated allocation step comprise: the center control nodes of current available idle frequency spectrum resource allocation being given said initiation idle frequency spectrum resource allocation request; Perhaps when not having the available free frequency spectrum resource, through coordinating with other center control nodes, the center control nodes of said initiation idle frequency spectrum resource allocation request is given in the idle frequency spectrum resource allocation that said other center control nodes is shared.
4. the method for claim 1 is characterized in that, the step that said center control nodes responds the distribution of said database completion idle frequency spectrum resource coordination comprises:
The center control nodes that frequency spectrum resource changes, according to the reprovision of its subordinate's base station resource of database command completion, and to the request of said database transmission database update.
5. method as claimed in claim 4; It is characterized in that the center control nodes that said frequency spectrum resource changes comprises: initiate the idle frequency spectrum resource allocation request and obtain the center control nodes of idle frequency spectrum resource and/or through coordinated allocation its branch idling-resource spectrum allocation may that takies is given the center control nodes of other center control nodes.
6. method as claimed in claim 4; It is characterized in that; Said when accomplishing the reprovision of its subordinate's base station resource according to database command, for overlapping region covered between center control nodes must with the resource allocation of carrying out its subordinate base station after corresponding center control nodes is consulted again.
7. like claim 1 to 6 any one, it is characterized in that said idle frequency spectrum resource refers to the frequency spectrum resource that do not used by main system.
8. a database is characterized in that, said database comprises: the main system frequency spectrum resource uses information, and center control nodes is to the use information of idle frequency spectrum resource, center control nodes system information, frequency spectrum ceremony information;
Said database is responsible for the idle frequency spectrum resource coordination between said center control nodes is distributed.
9. database as claimed in claim 8 is characterized in that, said main system frequency spectrum operating position information comprises: using frequency spectrum resource information, the idle frequency spectrum resource information does not allow to use frequency spectrum resource information.
10. database as claimed in claim 9 is characterized in that, said idle frequency spectrum resource information comprises at least: frequency, allows maximum transmission power at bandwidth of operation, coverage, duration that idle condition is possible.
11. database as claimed in claim 8 is characterized in that, said center control nodes comprises the use information of idle frequency spectrum resource: the idle frequency spectrum resource that said center control nodes is used, and said center control nodes position.
12. database as claimed in claim 8 is characterized in that, said center control nodes system information comprises: load state information, communication quality information uses statistical law information.
13. database as claimed in claim 8 is characterized in that, said frequency spectrum ceremony information comprises: center control nodes priority, disturb evasion tactics, frequency spectrum lease rule.
14. center control nodes; It is characterized in that; Said center control nodes is based on the function or the physical entity of system or operator, comprising: said center control nodes subordinate base station idle frequency spectrum resource operating position information, load information and communication quality status information;
Said center control nodes is accomplished said idle frequency spectrum resource reprovision.
15. center control nodes as claimed in claim 14 is characterized in that, said center control nodes is accomplished said idle frequency spectrum resource reprovision step and is comprised:
Center control nodes and database are coordinated the idle frequency spectrum resource alternately; Said center control nodes and other center control nodes mutual idle frequency spectrum resource use information avoid interference; Said center control nodes is according to sending corresponding measurement configuration message to the subordinate base station with the interaction results of said database and other center control nodes, and controls said subordinate base station and accomplish idle frequency spectrum resource reprovision.
16. a radio link configuration system is characterized in that, comprising:
The application transmitting element is used for base station idle frequency spectrum resource bid is sent to center control nodes;
The summarizing and reporting unit is used to gather the base station idle frequency spectrum resource bid that said application sending module sends, and said summarized results is reported to database;
The coordinated allocation unit, the idle frequency spectrum resource between the said center control nodes of summarized results coordinated allocation that is used for reporting according to said summarizing and reporting module;
The assignment response unit is used to respond the coordinated allocation unit, accomplishes the idle frequency spectrum resource coordination and distributes.
17. system as claimed in claim 15; It is characterized in that said coordinated allocation unit is according to the load condition in the said center control nodes coverage, communication quality status; And the frequency spectrum ceremony, current idle frequency spectrum resource is carried out coordinated allocation for each center control nodes.
18. method as claimed in claim 15 is characterized in that, center control nodes subordinate's base station resource reprovision that the idle frequency spectrum resource changes is accomplished according to database command in said assignment response unit, and sends the database update request to said database.
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| PCT/CN2011/081139 WO2012100565A1 (en) | 2011-01-30 | 2011-10-21 | Method and system for configuring wireless link |
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| WO2012100565A1 (en) | 2012-08-02 |
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