CN101835169B - Method and device for collecting and updating perception pilot frequency channel information - Google Patents
Method and device for collecting and updating perception pilot frequency channel information Download PDFInfo
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Abstract
The invention provides a method and a device for collecting and updating perception pilot frequency channel information, relating to the perception pilot frequency channel technology. The method for collecting perception pilot frequency channel information comprises steps that: a perception pilot frequency channel management system sends a request for reporting network information of an area covered by the perception pilot frequency channel management system to a radio network controller; the radio network controller collects the network information according to the request of the perception pilot frequency channel management system and feeds back the network information to the perception pilot frequency channel management system; and the perception pilot frequency channel management system carries out meshing planning on the area covered by the perception pilot frequency channel management system by a meshing algorithm according to the obtained network information and stores the network information in a database of the perception pilot frequency channel management system by gridding. The invention continuously collects and updates the stored network information by real-time perception of the radio environment, thereby improving the accuracy of the perception pilot frequency channel information.
Description
Technical field
The present invention relates to the perception pilot frequency channel technology, particularly relate to a kind of collection, update method and device of perception pilot frequency channel information.
Background technology
In the B3G/4G in future (Beyond 3G, the 4th third-generation mobile communication technology) system, isomerism will be its outstanding feature.Portable terminal will be faced different mobile access networks.These access networks cover different scopes, support the user mobility of different brackets, have different technical parameters, different professional abilities is provided, carry out different communication and control protocol, even have different network configurations, and belong to the different owners probably.Simultaneously, the development of software and radio technique (Software Defined Radio) has promoted the realization of the reconfigurable portable terminal of multimode.Therefore, single portable terminal has possessed the ability that inserts different mobile networks.
Under the wireless network environment background of this isomery, wireless terminal can be selected the WAP (wireless access point) an of the best, is very necessary with a kind of only wireless access technology access network.Especially after starting up of terminal, terminal does not know which kind of access technology is best, and these access technologies all at which frequency band are worked.If there is not the basic spectrum information of local wireless access technology, be inevitable to the scanning of full frequency-domain.In this case, the CPC (Cognitive Pilot Channel, perception pilot frequency channel) that divides based on the geographical position grid is suggested as a solution.Transmit the information of heterogeneous network by the unified frequency range in the whole world, CPC provides solution to the cognition of network environment information after for starting up of terminal.Whether the accuracy of these network informations can find a suitable access network fast to terminal is vital.
In order to reduce the expense of terminal, in existing scheme, the overlay area of CPC is divided into a plurality of grids.Each grid comprises available carriers information, available wireless access technology information, usable frequency information etc.Terminal can be determined suitable access network according to these information.But in existing technical scheme, the collection method to these information does not possess some special knowledge.On the other hand, because the real-time change of wireless environment, the network information under the CPC overlay area is not unalterable yet, this also has higher requirement to perception pilot frequency channel: the network information that CPC sends must also be real-time change, and can reflect current network condition accurately.
Not corresponding research in this regard at present, existing technical scheme has only proposed the information of the required transmission of perception pilot frequency channel, and the source of these information is not related to.Also do not consider the needs of the information updating that the variation of wireless network environment brings, such as because cell breath, the obstruction of building, the power control of some access points etc. make the theoretical coverage of some networks cover and inconsistent with actual.
Summary of the invention
The objective of the invention is to propose a kind of collection, update method and device of perception pilot frequency channel information, to improve the accuracy of CPC information.
For achieving the above object, the invention provides a kind of collection method of perception pilot frequency channel information, comprising: perception pilot frequency channel management system sends the request of the network information that reports described perception pilot frequency channel management system overlay area to radio network controller; Described radio network controller is collected the described network information according to the request of described perception pilot frequency channel management system, and the described network information is fed back to described perception pilot frequency channel management system; Described perception pilot frequency channel management system is according to the described network information of obtaining, utilize the grid partitioning algorithm that grid is done in the overlay area of described perception pilot frequency channel management system and divide planning, and the described network information is stored in the database of described perception pilot frequency channel management system by grid.
For achieving the above object, the present invention also provides a kind of update method of perception pilot frequency channel information, comprising: radio network controller is collected the job information of each base station of described radio network controller covering; The network information that described radio network controller will comprise described job information reports corresponding perception pilot frequency channel management system; Described perception pilot frequency channel management system is upgraded the appropriate section in the database of described perception pilot frequency channel management system according to the described network information that receives.
In one embodiment, the described radio network controller job information of collecting each base station that described radio network controller covers comprises: described radio network controller is periodically collected the job information of described each base station.
In one embodiment, comprised collect the job information of each base station that described radio network controller covers at described radio network controller before: add fashionable as new Radio Access Network, radio network controller under the described new Radio Access Network is determined the frequency range of corresponding perception pilot frequency channel management system, sends the information that has described new Radio Access Network to add to described perception pilot frequency channel management system; Described perception pilot frequency channel management system is according to described information, and the radio network controller under the described new Radio Access Network sends the request of the network information that reports described new Radio Access Network.
In one embodiment, also comprised collect the job information of each base station that described radio network controller covers at described radio network controller before: add fashionablely as new base station, the radio network controller under the described new base station sends the information that has described new base station to add to corresponding perception pilot frequency channel management system; Described perception pilot frequency channel management system is according to described information, and the radio network controller under the described new base station sends the request of the job information that reports described new base station.
For achieving the above object, the present invention also provides a kind of update method of perception pilot frequency channel information, comprising: terminal sends the information in described terminal geographical position of living in to perception pilot frequency channel management system; Described perception pilot frequency channel management system is searched the grid network information of coupling according to described geographical location information in the database of described perception pilot frequency channel management system, and described grid network information is sent to described terminal; Described terminal is selected suitable Access Network according to described grid network information; Described terminal is by obtaining the actual parameter of described Access Network alternately with described Access Network; When described terminal is not suitable for inserting described Access Network according to described actual parameter judgement, described terminal reports described perception pilot frequency channel management system with described actual parameter, when described terminal was judged the described Access Network of suitable access according to described actual parameter, described terminal inserted described Access Network; When described perception pilot frequency channel management system receives described actual parameter, upgrade the appropriate section in the database of described perception pilot frequency channel management system.
In one embodiment, when described perception pilot frequency channel management system receives described actual parameter, the appropriate section of upgrading in the database of described perception pilot frequency channel management system comprises: when described perception pilot frequency channel management system received described actual parameter, described perception pilot frequency channel management system was judged the information errors rate of the appropriate section in the described database; When described information errors rate surpasses predetermined threshold, upgrade the appropriate section in the database of described perception pilot frequency channel management system.
For achieving the above object, the present invention also provides a kind of perception pilot frequency channel information gathering-device, comprise: request module, be used for sending to radio network controller the request of report network information, the described network information is the network information that comprises the perception pilot frequency channel management system institute overlay area of described perception pilot frequency channel information gathering-device; Receiver module is used for receiving the described network information that described radio network controller is collected and fed back according to the request of described request module; Message handler is used for according to the described network information of obtaining, and utilizes the grid partitioning algorithm that grid is done in the overlay area of described perception pilot frequency channel management system and divides planning; Database is used for the described network information is stored by grid.
For achieving the above object, the present invention also provides a kind of perception pilot frequency channel information updating device, comprising: receiver module be used for to receive that radio network controller is collected and the job information of each base station that the described radio network controller that reports covers; Database is used for the network information that storage comprises described job information; Update module is for the appropriate section of upgrading described database according to the described network information that receives.
In one embodiment, it is characterized in that described radio network controller is periodically collected the job information of described each base station and reported.
In one embodiment, add fashionable as new Radio Access Network, described receiver module receives the information that has described new Radio Access Network to add that the radio network controller under the described new Radio Access Network sends, the updating device of described perception pilot frequency channel information also comprises: first request module, be used for the information that has new Radio Access Network to add according to described, the radio network controller under the described new Radio Access Network sends the request of the network information that reports described new Radio Access Network.
In one embodiment, add fashionable as new base station, described receiver module receives the information that has described new base station to add that the described new affiliated radio network controller in base station sends, the updating device of described perception pilot frequency channel information also comprises: second request module, be used for the information that has new base station to add according to described, the radio network controller under the described new base station sends the request of the job information that reports described new base station.
For achieving the above object, the present invention also provides a kind of perception pilot frequency channel information updating device, comprising: receiver module is used for the information in the described terminal geographical position of living in that receiving terminal sends; Database is used for the network information that storage comprises the perception pilot frequency channel management system institute overlay area of described perception pilot frequency channel information updating device; Message processing module, be used for searching at described database according to described geographical location information the network information of coupling, and the described network information sent to described terminal, described terminal is selected suitable Access Network according to the described network information, wherein, described terminal is by obtaining the actual parameter of described Access Network alternately with described Access Network, when described terminal is not suitable for inserting described Access Network according to described actual parameter judgement, described terminal reports described receiver module with described actual parameter, when described terminal was judged the described Access Network of suitable access according to described actual parameter, described terminal inserted described Access Network; Update module is used for when receiving described actual parameter, upgrades the appropriate section in the database of described perception pilot frequency channel management system.
In one embodiment, described update module comprises: the error rate judging unit, when being used for described receiver module and receiving described actual parameter, judge the information errors rate of the appropriate section in the described database, when described information errors rate surpassed predetermined threshold, described update module was upgraded the appropriate section in the described database.
In one embodiment, the perception pilot frequency channel information updating device also comprises: the queuing processing module, carry out buffer memory for the described network information that described message processing module is sent to described terminal.
Based on technique scheme, the present invention proposes a kind of novel perception pilot frequency channel information and collect and update scheme, comprise collection to information, periodically update, have new Access Network to add fashionable renewal, have new base station to add the renewal of fashionable renewal and terminal auxiliary detection.By the real-time perception to wireless environment, constantly collect and upgrade the network information of storing, improve the accuracy of perception pilot frequency channel information, thereby the variation that reduces wireless environment makes that to the influence that terminal produces terminal can the better choice Access Network.
Description of drawings
Accompanying drawing described herein is used to provide further explanation of the present invention, constitutes a part of the present invention.Illustrative examples of the present invention and explanation thereof only are used for explaining the present invention, but do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation according to the application scenarios of the embodiment of the invention.
Fig. 2 is the flow chart according to the CPC formation gathering method of the embodiment of the invention.
Fig. 3 is the flow chart according to the CPC information updating method of the embodiment of the invention one.
Fig. 4 is the flow chart according to the CPC information updating method of the embodiment of the invention two.
Fig. 5 is the flow chart according to the CPC information updating method of the embodiment of the invention three.
Fig. 6 is the flow chart according to the CPC information updating method of the embodiment of the invention four.
Fig. 7 is the flow chart according to the CPC information updating method of the embodiment of the invention five.
Fig. 8 is the structural representation according to the CPC information collection apparatus of the embodiment of the invention.
Fig. 9 is the structural representation according to the CPC information updating apparatus of the embodiment of the invention one.
Figure 10 is the structural representation according to the CPC information updating apparatus of the embodiment of the invention two.
Figure 11 is the structural representation according to the CPC information updating apparatus of the embodiment of the invention three.
Embodiment
With reference to the accompanying drawings the present invention is described in more detail, exemplary embodiment of the present invention wherein is described.In the accompanying drawings, identical label is represented identical or similar assembly or element.
Fig. 1 is the structural representation according to the application scenarios 100 of the embodiment of the invention.Application scenarios 100 comprises CPC management system 102, base station 104 and RNC (Radio NetworkController, radio network controller) 106.
Fig. 2 is the flow chart according to the CPC formation gathering method 200 of the embodiment of the invention.
In step 202, the CPC management system sends the request of the network information that reports CPC management system overlay area to RNC.
In step 204, RNC is according to the request of CPC management system, collection network information, and the network information fed back to the CPC management system.In one embodiment, have the base station of identical network coverage information with its job information, report affiliated RNC as the network coverage, operating frequency, load state etc.RNC reports the CPC management system with network informations such as the base station job information collected and operator information, charging case.
In step 206, the CPC management system is utilized the grid partitioning algorithm that grid is done in the overlay area of CPC management system and is divided planning, and the network information is stored in the database of CPC management system by grid according to the network information of obtaining.
Fig. 3 is the flow chart according to the CPC information updating method 300 of the embodiment of the invention one.
In step 302, RNC collects the job information of each base station of RNC covering.
In step 304, the network information that RNC will comprise job information reports corresponding CPC management system.
In step 306, the CPC management system is according to the appropriate section in the database of the network information renewal CPC management system that receives.Like this, when CPC management system is next time given terminal transmits information, just can adopt the information content upgraded.
Fig. 4 is the flow chart according to the CPC information updating method 400 of the embodiment of the invention two.
In step 402, RNC periodically collects the job information of each base station.
In step 404, the network information that RNC will comprise job information reports corresponding CPC management system.
In step 406, the CPC management system is according to the appropriate section in the database of the network information renewal CPC management system that receives.Like this, when CPC management system is next time given terminal transmits information, just can adopt the information content upgraded.
Fig. 5 is the flow chart according to the CPC information updating method 500 of the embodiment of the invention three.
In step 502, add the frequency range that RNC under fashionable, the new Radio Access Network determines corresponding CPC management system as new Radio Access Network, send the information that has new Radio Access Network to add to the CPC management system.Like this, can make the terminal under the network coverage can perception and utilize new Access Network.
In step 504, the CPC management system is according to information, and the RNC under the new Radio Access Network sends the request of the network information that reports new Radio Access Network.Like this, can make the CPC management system according to its demand, contents such as QoS (Quality ofService, service quality) assurance situation as the coverage information of the new Access Network that needs in the CPC information to comprise, modulation technique information, running frequency information, network obtain the corresponding network information of new Access Network.
In step 506, according to the request of CPC management system, RNC collects each the base station job information under the new Radio Access Network.
In step 508, the network information that RNC will comprise job information reports corresponding CPC management system.
In step 510, the CPC management system is according to the appropriate section in the database of the network information renewal CPC management system that receives.For example, the CPC management system can join the network information of new Access Network in the database, finishes the renewal process of database information.Like this, when CPC management system is next time given terminal transmits information, just can adopt the information content upgraded.
Fig. 6 is the flow chart according to the CPC information updating method 600 of the embodiment of the invention four.
In step 602, the RNC under new base station adds fashionable, new base station sends the information that has new base station to add to corresponding CPC management system.
In step 604, the CPC management system is according to information, and the RNC under the new base station sends the request of the job information that reports new base station.
In step 606, according to the request of CPC management system, RNC collects the job information of new base station.
In step 608, the network information that RNC will comprise job information reports corresponding CPC management system.
In step 610, the CPC management system is according to the appropriate section in the database of the network information renewal CPC management system that receives.For example, the CPC management system can join the network information of new base station in the database, finishes the renewal process of database information.Like this, when CPC management system is next time given terminal transmits information, just can adopt the information content upgraded.
Fig. 7 is the flow chart according to the CPC information updating method 700 of the embodiment of the invention five.Because the variation of wireless environment, the information that network side obtains by the base station may be inconsistent with actual situation, and need the cooperation of terminal to judge whether the information of network side is accurate this moment.By the auxiliary detection of terminal, can make the database of CPC management system obtain upgrading.
In step 702, terminal sends the information in terminal geographical position of living in to the CPC management system.
In step 704, the CPC management system is searched the grid network information of coupling according to geographical location information in the database of CPC management system, and grid network information is sent to terminal.
In step 706, terminal is selected suitable Access Network according to grid network information.When terminal makes a choice according to the network information that receives, need to determine actual parameter with base station communication again.
In step 708, terminal is by obtaining the actual parameter of Access Network alternately with Access Network.
In step 710, whether the terminal judges actual parameter satisfies the demand.In one embodiment, terminal can judge whether the network information is accurate, and for example: whether the RAT in the gridding information (Radio Access Technology, wireless access technology) exists in the terminal present position; Whether satisfy business demand; Whether the frequency information that sends in the gridding information is consistent with actual conditions etc.When terminal inserts Access Network according to the actual parameter judgement is suitable, then enter step 712, terminal can be selected this network insertion.Judge according to actual parameter when terminal then to enter step 714 when being not suitable for inserting Access Network, terminal reports the CPC management system with actual parameter.
In step 716, when the CPC management system receives actual parameter, the appropriate section in the database of renewal CPC management system.By dynamic, real-time like this reciprocal process, upgrade the database of CPC management system.In one embodiment, when the CPC management system receives actual parameter, the information errors rate of the appropriate section in the CPC management system judgment data storehouse.When the information errors rate surpasses predetermined threshold, the appropriate section in the database of renewal CPC management system.Wherein, the information errors rate can be at the mistake of the operation information of a concrete Radio Access Network, because terminal only just can be obtained concrete parameter with network interaction after selecting an access network, thereby finds wrong existence.In one embodiment, to a certain network in certain grid, its information errors rate can be defined as follows:
The information errors rate=to the CPC information sum of this wireless access network error correction information number/this grid of transmission
Wherein, can be after the information updating of last this grid be finished to the counting of the counting of the CPC information sum of this grid and error correction information number.
In step 718, terminal other network from CPC information is selected access network.
Fig. 8 is the structural representation according to the CPC information collection apparatus 800 of the embodiment of the invention.CPC information collection apparatus 800 comprises request module 802, receiver module 804, message handler 806 and database 808.
Fig. 9 is the structural representation according to the CPC information updating apparatus 900 of the embodiment of the invention one.CPC information updating apparatus 900 comprises receiver module 902, database 904 and update module 906.
Figure 10 is the structural representation according to the CPC information updating apparatus 1000 of the embodiment of the invention two.CPC information updating apparatus 1000 comprises receiver module 1002, first request module 1008, second request module 1010, database 1004 and update module 1006.
Figure 11 is the structural representation according to the CPC information updating apparatus 1100 of the embodiment of the invention three.CPC information updating apparatus 1100 comprises receiver module 1102, database 1104, message processing module 1106 and update module 1108.
In one embodiment, CPC information updating apparatus 1100 also comprises the queuing processing module, carries out buffer memory for the network information that message processing module 1106 is sent to terminal.
The present invention proposes a kind of novel perception pilot frequency channel information and collect and update scheme, comprise collection to information, periodically update, have new Access Network to add fashionable renewal, have new base station to add the renewal of fashionable renewal and terminal auxiliary detection.By the real-time perception to wireless environment, constantly collect and upgrade the network information of storing, improve the accuracy of perception pilot frequency channel information, thereby the variation that reduces wireless environment makes that to the influence that terminal produces terminal can the better choice Access Network.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (11)
1. the update method of a perception pilot frequency channel information is characterized in that, comprising:
Radio network controller is collected the job information of each base station of described radio network controller covering;
The network information that described radio network controller will comprise described job information reports corresponding perception pilot frequency channel management system; With
Described perception pilot frequency channel management system is upgraded the appropriate section in the database of described perception pilot frequency channel management system according to the described network information that receives;
Wherein before collecting the job information of each base station that described radio network controller covers, described radio network controller comprises:
Add fashionable as new Radio Access Network, radio network controller under the described new Radio Access Network is determined the frequency range of corresponding perception pilot frequency channel management system, sends the information that has described new Radio Access Network to add to described perception pilot frequency channel management system; With
Described perception pilot frequency channel management system is according to described information, and the radio network controller under the described new Radio Access Network sends the request of the network information that reports described new Radio Access Network.
2. the update method of perception pilot frequency channel information according to claim 1 is characterized in that, the job information that described radio network controller is collected each base station of described radio network controller covering comprises:
Described radio network controller is periodically collected the job information of described each base station.
3. the update method of perception pilot frequency channel information according to claim 1 is characterized in that, also comprises collect the job information of each base station that described radio network controller covers at described radio network controller before:
Add fashionablely as new base station, the radio network controller under the described new base station sends the information that has described new base station to add to corresponding perception pilot frequency channel management system; With
Described perception pilot frequency channel management system is according to described information, and the radio network controller under the described new base station sends the request of the job information that reports described new base station.
4. the update method of a perception pilot frequency channel information is characterized in that, comprising:
Terminal sends the information in described terminal geographical position of living in to perception pilot frequency channel management system;
Described perception pilot frequency channel management system is searched the grid network information of coupling according to described geographical location information in the database of described perception pilot frequency channel management system, and described grid network information is sent to described terminal;
Described terminal is selected suitable Access Network according to described grid network information;
Described terminal is by obtaining the actual parameter of described Access Network alternately with described Access Network;
When described terminal is not suitable for inserting described Access Network according to described actual parameter judgement, described terminal reports described perception pilot frequency channel management system with described actual parameter, when described terminal was judged the described Access Network of suitable access according to described actual parameter, described terminal inserted described Access Network;
When described perception pilot frequency channel management system receives described actual parameter, upgrade the appropriate section in the database of described perception pilot frequency channel management system.
5. the update method of perception pilot frequency channel information according to claim 4 is characterized in that, when described perception pilot frequency channel management system received described actual parameter, the appropriate section of upgrading in the database of described perception pilot frequency channel management system comprised:
When described perception pilot frequency channel management system received described actual parameter, described perception pilot frequency channel management system was judged the information errors rate of the appropriate section in the described database; With
When described information errors rate surpasses predetermined threshold, upgrade the appropriate section in the database of described perception pilot frequency channel management system.
6. a perception pilot frequency channel information updating device is characterized in that, comprising:
Receiver module be used for to receive that radio network controller is collected and the job information of each base station that the described radio network controller that reports covers;
Database is used for the network information that storage comprises described job information; With
Update module is for the appropriate section of upgrading described database according to the described network information that receives;
Wherein, add fashionable as new Radio Access Network, described receiver module receives the information that has described new Radio Access Network to add that the radio network controller under the described new Radio Access Network sends, and the updating device of described perception pilot frequency channel information also comprises:
First request module is used for the information that has new Radio Access Network to add according to described, and the radio network controller under the described new Radio Access Network sends the request of the network information that reports described new Radio Access Network.
7. perception pilot frequency channel information updating device according to claim 6 is characterized in that, described radio network controller is periodically collected the job information of described each base station and reported.
8. perception pilot frequency channel information updating device according to claim 6, it is characterized in that, add fashionable as new base station, described receiver module receives the information that has described new base station to add that the described new affiliated radio network controller in base station sends, and the updating device of described perception pilot frequency channel information also comprises:
Second request module is used for the information that has new base station to add according to described, and the radio network controller under the described new base station sends the request of the job information that reports described new base station.
9. a perception pilot frequency channel information updating device is characterized in that, comprising:
Receiver module is used for the information in the described terminal geographical position of living in that receiving terminal sends;
Database is used for the network information that storage comprises the perception pilot frequency channel management system institute overlay area of described perception pilot frequency channel information updating device;
Message processing module is used for searching the network information of coupling according to described geographical location information at described database, and the described network information is sent to described terminal, and described terminal is selected suitable Access Network according to the described network information,
Wherein, described terminal is by obtaining the actual parameter of described Access Network alternately with described Access Network, when described terminal is not suitable for inserting described Access Network according to described actual parameter judgement, described terminal reports described receiver module with described actual parameter, when described terminal was judged the described Access Network of suitable access according to described actual parameter, described terminal inserted described Access Network; With
Update module is used for when receiving described actual parameter, upgrades the appropriate section in the database of described perception pilot frequency channel management system.
10. perception pilot frequency channel information updating device according to claim 9 is characterized in that, described update module comprises:
The error rate judging unit, when being used for described receiver module and receiving described actual parameter, judge the information errors rate of the appropriate section in the described database, when described information errors rate surpassed predetermined threshold, described update module was upgraded the appropriate section in the described database.
11. perception pilot frequency channel information updating device according to claim 9 is characterized in that, also comprises:
The queuing processing module is carried out buffer memory for the described network information that described message processing module is sent to described terminal.
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| Cognitive Pilot Channel(CPC).《ETSI TR 102 683 v1.1.1》.2009, |
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