CN107018512B - The shared method and system of frequency resource is realized under a kind of spectrum sharing mechanisms - Google Patents
The shared method and system of frequency resource is realized under a kind of spectrum sharing mechanisms Download PDFInfo
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- CN107018512B CN107018512B CN201610059688.XA CN201610059688A CN107018512B CN 107018512 B CN107018512 B CN 107018512B CN 201610059688 A CN201610059688 A CN 201610059688A CN 107018512 B CN107018512 B CN 107018512B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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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
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Quality & Reliability (AREA)
- Computer Security & Cryptography (AREA)
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Abstract
This application discloses the shared method of frequency resource is realized under a kind of frequency sharing mechanism, comprising: share spectrum resources management system determines the frequency isolation requirement between each website, be sent to location resource allocation center during site registration；When the first website has frequency resource application demand, location resource allocation center obtains the current resource using information of each website from share spectrum resources management system, and in conjunction with the frequency isolation requirement between each website, the frequency resource that the first website is able to use is determined, to the frequency resource that the first website is able to use described in share spectrum resources management system requested；Share spectrum resources management system carries out shared resource Decision of Allocation according to the request at location resource allocation center.Disclosed herein as well is the shared system of frequency resource is realized under a kind of frequency sharing mechanism.Using technical solution disclosed in the present application, the process of available frequency point selection can be simplified, improve frequency point efficiency of selection, and reduce the transmitting of message in system.
Description
Technical field
Realize that frequency resource is shared this application involves wireless communication technology field, in particular under a kind of spectrum sharing mechanisms
Method and system.
Background technique
With the broadband development of business, the demand to frequency spectrum resource is increasing, and frequency resource is in short supply.On the one hand it needs
New available frequency resources are expanded, on the one hand need to improve resource utilization.Resource utilization under fixed allocation mode at present
Not high, therefore, it is necessary to pass through the frequency usage mode of resource-sharing, Lai Tigao resource utilization by cognition technology.
Under spectrum sharing mechanisms, website will dynamically use and discharge resource, and shared resource is carried out as unit of website
Application.It is dynamic change since resource uses, it will impacted to the website on its periphery of website of application frequency point, therefore frequency
It composes under shared mechanism, the judgement of website available resources will need to analyze based on interference co-existence to realize, that is, pass through assessment website institute
Whether the resource of application will cause interfering with each other for frequency application website and other websites, only all without phase between other websites
Mutually when interference, it can just think that the resource can be used as the available frequency point of application website.
Fig. 1 is the network architecture schematic diagram under a kind of spectrum sharing mechanisms of the prior art.Referring to Fig. 1, in which:
Share spectrum resources management system: including database storage function；It is responsible for the storage and maintenance of site information,
In, site information includes: site location information, the information such as site receiver and transmitter characteristic；It is responsible for the management of shared resource
And Decision of Allocation；The distribution foundation for being responsible for specification shared resource determines the available shared money of website according to site resource demand
Source avoids interfering with each other between website, to realize management and coordinate multiple systems and (system 1 as shown in Figure 1, system 2 and be
The fair, rationally shared of resource is realized in the use of shared resource between the website of system 3).
Location resource allocation center: being located at dynamic spectrum access internal system, the resource being responsible for inside spectra sharing system
Management and distribution, and it is responsible for the application of shared resource.
System shown in Figure 11,2 and 3 is all the wireless system for having perceptional function, respectively internal location resource allocation
Center connects interaction with share spectrum resources management system, completes the application of shared resource, and is responsible for completing system internal resources
Management.
Under the above spectrum sharing mechanisms network architecture, location resource allocation center and shared dynamic spectrum resource management system it
Between carry out the application of shared resource, specific dynamic spectrum resource management system structure is as shown in Figure 2.According to fig. 2, the sheet in each system
Ground resource management center can send according to demand to share spectrum resources management system and request, and apply for dynamic resource；Shared frequency
Spectrum resource management system can use dynamic resource to the location resource allocation center distribution for sending request.
Under spectrum sharing mechanisms, share spectrum resources management system carries out the distribution of shared resource and the dimension of service condition
Shield.The not static fixed allocation of the distribution of resource gives some system, by share spectrum resources management system according to local
Demand of the website to shared resource that resource management center is submitted, between the service condition and website in conjunction with current shared resource
Coexistence requirements, to determine the available frequency resources of the website.
Under spectrum sharing mechanisms, it will be analyzed based on interference co-existence, and determine whether the frequency point of distribution will cause application website
Interfering with each other between other websites can use frequency point to determine which shared resource can be used as the website.
It (includes: transmitting function that interference co-existence analysis, which is namely based on position, transmitter performance index and the relevant parameter of each website,
Rate, neighboring trace inhibit, inhibit, every road with interior unwanted emission, antenna gain, feeder loss, antenna height etc.), receiver performance refers to
Mark (including: receiver sensitivity, demodulation threshold, antiblocking ability, receiving antenna gain, feeder loss, antenna height etc.) etc.
Parameter is determined by calculation between website and works normally when not being interfered, required minimum insulation request.Isolation between website
The interval of working frequency or other isolating means between the distance between website, website will be passed through to realize, to guarantee two systems just
Often work.When isolation by distance is not able to satisfy insulation request, will need by by the frequency isolation between the working frequency points between website
Realize insulation request.Therefore according to the working frequency and insulation request of adjacent sites, it will be able to which that determines application website can
Use frequency.
When carrying out candidate frequency point selection, it will need to carry out concomitant analysis to multiple candidate frequency points.Under spectrum sharing mechanisms,
Equipment carries out using and discharging for resource for dynamic, and the application of frequency resource is as unit of website, it is therefore desirable to be
Different websites dynamically calculate under different operating frequency, and feasibility coexists between website, to determine workable for applying for website altogether
Enjoy frequency resource.Therefore when carrying out system design, need to consider the processing capacity requirement of system, and application website acquisition can
With the timeliness of frequency resource.
In existing technical solution, when website has frequency point demand, determined accordingly by location resource allocation center
Frequency point information can be used.Therefore location resource allocation center needs to obtain each website from share spectrum resources management system in advance
Position, transmitter performance index and relevant parameter (include: that transmission power, neighboring trace inhibit, inhibit, every road with interior unwanted emission, day
Line gain, feeder loss, antenna height etc.), receiver performance index (include: receiver sensitivity, demodulation threshold, antiblocking
Ability, receiving antenna gain, feeder loss, antenna height etc.) etc. parameter informations.
When there is website demand frequency resource, location resource allocation center by based on application website parameter information, and
The parameter information of other websites adjacent thereto is based on interference co-existence analysis method, determines insulation request, and combine other stations
The working frequency of point determines the application available frequency of website, then carries out shared resource Shen to share spectrum resources management system
Please.
Fig. 3 is existing site authentication process schematic.Process shown in Fig. 3 includes:
Step 1: location resource allocation center sends system (website) certification request to share spectrum resources management system and disappears
Breath.
Step 2: share spectrum resources management system disappears to location resource allocation center feedback system (website) authenticate-acknowledge
Breath.
Fig. 4 is existing shared resource application process schematic diagram.Process shown in Fig. 4 includes:
Step 1: location resource allocation center sends shared frequency usage information request to share spectrum resources management system.
Step 2: share spectrum resources management system sends shared frequency usage information to location resource allocation center.
Step 3: location resource allocation center carries out shared analysis, determines the application available frequency of website, then to altogether
Enjoy dynamic spectrum resource management system application shared resource.
Step 4: share spectrum resources management system carries out shared resource Decision of Allocation, and sends out to location resource allocation center
Send shared resource assignment messages or shared resource refuse information.
Under prior art, the selection of available resources is completed at location resource allocation center, it is therefore desirable to shared frequency spectrum money
The bulk information of periphery website is supplied to location resource allocation center (by disappearing for verification process shown in Fig. 3 by management system
Cease the message 2 of shared resource application process shown in 2 or Fig. 4).If site information changes, it is also necessary to which information is timely
It is supplied to location resource allocation center.Meanwhile it is necessary between location resource allocation center and share spectrum resources management system
The foundation of prior unified resource selection, such as algorithm and principle of specification interference analysis, thus between guaranteeing multiple spectra sharing systems
Coexist.
Summary of the invention
This application provides the shared method and system of frequency resource is realized under a kind of spectrum sharing mechanisms, simplify available frequency
The process of point selection, improves frequency point efficiency of selection, and reduce the transmitting of message in system.
This application discloses the shared method of frequency resource is realized under a kind of frequency sharing mechanism, comprising:
Share spectrum resources management system determines the frequency isolation requirement between each website, hair during site registration
Give location resource allocation center；
When the first website has frequency resource application demand, location resource allocation center is from share spectrum resources management system
The current resource using information of each website is obtained, and in conjunction with the frequency isolation requirement between each website, determines the first website energy
The frequency resource enough used, to the frequency resource that the first website is able to use described in share spectrum resources management system requested；
Share spectrum resources management system carries out shared resource Decision of Allocation according to the request at location resource allocation center.
Preferably, the share spectrum resources management system determines the frequency between each website during site registration
Insulation request includes:
Location resource allocation center sends authentication request message to share spectrum resources management system, carries in message wait infuse
The information of volume website, the information includes: the geographical location of website to be registered, equipment Transceiver Features parameter；
Share spectrum resources management system carries out interference co-existence analysis to the website to be registered and each registered website,
It determines the frequency isolation requirement between the website to be registered and each registered website, the website to be registered has been infused with each
Frequency isolation between volume website requires to be sent to location resource allocation center；
Share spectrum resources management system stores the requirement of the frequency isolation between each website.
Preferably, the frequency isolation between each website of share spectrum resources management system storage is required comprising interior in table 1
Hold:
Table 1
Wherein, 1 ... M is site number, and M is the integer more than or equal to 1；
N is the integer more than or equal to 1.
Preferably, share spectrum resources management system is sent to the website to be registered at location resource allocation center and each
Frequency isolation between a registered website is required comprising the content in table 2:
Table 2
Wherein, M is the number of the website to be registered, and N and M are the integer more than or equal to 1.
Preferably, the current resource of each website that share spectrum resources management system is sent to location resource allocation center makes
Include the content in table 3 with information:
Table 3
Wherein, 1 ... M is site number, and M is the integer more than or equal to 1.
Disclosed herein as well is the shared system of frequency resource is realized under a kind of frequency sharing mechanism, comprising: shared frequency spectrum
Resource management system and location resource allocation center, in which:
The share spectrum resources management system, for during site registration, determine frequency between each website every
From requiring, it is sent to location resource allocation center；
When the first website has frequency resource application demand, location resource allocation center is from share spectrum resources management system
The current resource using information of each website is obtained, and in conjunction with the frequency isolation requirement between each website, determines the first website energy
The frequency resource enough used, to the frequency resource that the first website is able to use described in share spectrum resources management system requested；
After the share spectrum resources management system receives the request at location resource allocation center, it is also used to according to local money
The request at source control center carries out shared resource Decision of Allocation.
As seen from the above technical solution, scheme provided by the present application remains the Frequency Select procedures machine in existing scheme
System, while the interactive information between share spectrum resources management system and location resource allocation center can be reduced, it also avoids
The algorithm and principle of unified standard interference analysis are needed between location resource allocation center and share spectrum resources management system.
Simultaneously by determining the frequency interval require information between website in advance during site registration, spectrum sharing mechanisms are simplified
Under, the selection course of available frequency resources in frequency application process.
Detailed description of the invention
Fig. 1 is the network architecture schematic diagram under a kind of spectrum sharing mechanisms of the prior art；
Fig. 2 is existing dynamic spectrum resource management system structure diagram；
Fig. 3 is existing site authentication process schematic；
Fig. 4 is existing shared resource application process schematic diagram；
Fig. 5 is the equipment identifying procedure schematic diagram of the application；
Fig. 6 is the application shared resource application process schematic diagram.
Specific embodiment
It is right hereinafter, referring to the drawings and the embodiments, for the objects, technical solutions and advantages of the application are more clearly understood
The application is described in further detail.
To solve the problems of prior art, the application proposes to realize that frequency resource is total under a kind of frequency sharing mechanism
The main thought of the method enjoyed, this method is: share spectrum resources management system determines each website during site registration
Between frequency isolation requirement, be sent to location resource allocation center；It is local to provide when the first website has frequency resource application demand
Source control center obtains the current resource using information of each website from share spectrum resources management system, and in conjunction with each website
Between frequency isolation requirement, the frequency resource that the first website is able to use is determined, to share spectrum resources management system requested institute
State the frequency resource that the first website is able to use；Share spectrum resources management system according to the request at location resource allocation center into
Row shared resource Decision of Allocation.
As previously mentioned, in this application, when site registration is to network, share spectrum resources management system is just according to registration
The Transceiver Features of website and other websites are based on interference co-existence analysis principle, determine between enrollment station and other websites
Insulation blocking requires, and the isolation distance of needs is determined based on the geographical location information between website, evaluates the website and its
Frequency isolation requirement between his website, then, share spectrum resources management system is by the frequency isolation between the website determined
It is required that being sent to location resource allocation center, the foundation of resource selection is carried out as location resource allocation center, in this way, not only subtracting
The information exchange between share spectrum resources management system and location resource allocation center is lacked, while by site registration
It determines the frequency interval require information between website in advance in the process, simplifies under spectrum sharing mechanisms, it can in frequency application process
With the selection course of frequency resource.In addition, the application is carried out interference co-existence analysis by share spectrum resources management system and is shared
Resource allocation decisions avoid and need unified standard dry between location resource allocation center and share spectrum resources management system
Disturb the algorithm and principle of analysis.
The basic process of application scheme includes two parts: determining the choosing of frequency isolation requirement and available frequency point between website
It selects, is explained separately below:
1) frequency isolation requires between determining website
Share spectrum resources management system is based on interference co-existence analysis principle, determines according to the Transceiver Features of each website
Maximum isolation requirement when being mutually independent of each other between website.The insulation request between consideration meets website by distance and frequency isolation
When, formula 1 should be met:
Frequency isolation (formula 1) between isolation by distance+website between insulation request≤website between website
Wherein, the size of the isolation by distance between website will receive the influence of the working frequency of distance d and website between website；It stands
The size of frequency isolation is influenced by operating frequency separation between website between point.
Since the position of website is fixed and invariable, the isolation by distance between website can be determined with passage path loss model,
Although the size of isolation by distance will receive operating frequency influences, this influence is smaller, can ignore, it is therefore contemplated that website
Between isolation by distance only distance dependent between website.Therefore, formula 1 can be changing into formula 2:
Isolation by distance (formula 2) between insulation request-website between frequency isolation >=website between website
It can be inferred that the insulation request that meet two websites and coexist by formula 2, between working frequency points interval website
It is required that guarantee coexisting between enough frequency isolations realize website.
Frequency interval information between website is stored in share spectrum resources management system, or is handed down to local resource
Administrative center.
2) selection of frequency point can be used
When website carries out shared frequency resource application, by location resource allocation center from share spectrum resources management system
Resource service condition is obtained, is required in conjunction with frequency interval between website, determines the frequency point that can apply, and submit to shared frequency spectrum
Resource management system is confirmed by share spectrum resources management system and is carried out information storage.
The realization of technical scheme is described in detail in the specific embodiment that develops simultaneously with reference to the accompanying drawing.The application side
The specific implementation of case embodies in equipment identifying procedure and shared resource application process respectively.It is specific as follows:
Assuming that being recognized after website A is linked into network from location resource allocation center to the transmission of share spectrum resources management system
Card request, after share spectrum resources management system receives certification request, the transmitting-receiving according to application other websites of website and surrounding is special
Property, it is based on concomitant analysis basic principle, the frequency isolation requirement between analysis application website and other websites of periphery, so that it is determined that going out
Frequency interval requirement.
(1) site authentication
Share spectrum resources equipment (i.e. foregoing website) networks, by location resource allocation center to shared frequency spectrum
Resource management system completes certification.In authentication request message, location resource allocation center is to share spectrum resources management system
The relevant parameters such as the relevant information of this website, including geographical location, equipment Transceiver Features are provided.Share spectrum resources management system
The storage of site information is completed, and based on principle coexists between website, analysis is determined between the frequency between the website and other websites
Every requiring.Frequency interval require information between website is sent to by share spectrum resources management system by location resource allocation center
Website.The equipment identifying procedure of the application is as shown in Figure 5, comprising the following steps:
Step 501: location resource allocation center sends system (website) certification request to share spectrum resources management system.
Step 502: share spectrum resources management system carries out authentication to system (website), and feeds back authentication result.
Step 503: share spectrum resources management system carries out concomitant analysis, determines the frequency isolation requirement between each website.
Share spectrum resources management system can be numbered the website by authenticating and store its essential information.
Assuming that having M-1 website in system, site number value is respectively 1~M-1, after website A completes to authenticate,
Number is M.Share spectrum resources management system stores the information of all M websites, including geographical location, transmitter performance index
With relevant parameter (include: transmission power, neighboring trace inhibit, every road inhibit, with interior unwanted emission, antenna gain, feeder loss, day
Line height etc.), receiver performance index (include: receiver sensitivity, demodulation threshold, antiblocking ability, receiving antenna gain,
Feeder loss, antenna height etc.), the transmitter and receiver performance of terminal.
In this step, share spectrum resources management system carries out concomitant analysis to website A and other M-1 website, and pushes away
The frequency interval requirement needed between website is calculated, and the frequency interval require information between website A and other websites is stored.
Preferably, the information content of storage can be as shown in table 1, it is assumed that total frequency points are that (N+2) is a:
Table 1
Share spectrum resources management system carries out information storage according to site number, may include and is somebody's turn to do in the information of storage
Website can with frequency, the website of adjacent frequency work number, can be isolated with the website website of 1 working frequency points number or
The site number of N number of working frequency points is isolated, while also needing dynamically to record the currently used frequency point of the website.
Step 504: share spectrum resources management system sends the frequency interval require information between website A and other websites
Give website A.Preferably, related content can be sent to website A according to the form of table 2.
Table 2
(2) shared resource application and selection
It, will be by location resource allocation center from share spectrum resources management system when website has frequency resource application demand
System obtains each website Current resource service condition, and according to the frequency interval requirement with other websites obtained before, determination can
Frequency resource application is proposed with resource, then from location resource allocation center to share spectrum resources management system, by sharing frequency spectrum
Resource management system finally determines the distribution of resource.Detailed process is as shown in Figure 6, comprising the following steps:
Step 601: when website has frequency resource application demand, by location resource allocation center to share spectrum resources
Management system sends shared frequency usage information request, each website Current resource use information of request.
Step 602: resource service condition is fed back to location resource allocation center by share spectrum resources management system, it may be assumed that
Share spectrum resources management system sends shared frequency usage information to location resource allocation center, and specifying information can be such as table 3
It is shown:
Table 3
Step 603: location resource allocation center combines each site resource use information in table 3, and obtained according to before
Frequency interval require information (being shown in Table 2) between each website carries out the selection of available frequency point, determines the frequency that this website can be used
Rate resource.
Step 604: location resource allocation center sends shared resource solicitation message to share spectrum resources management system.
Step 605: in view of when there is multiple website application same spectrum resources, needing to carry out the reasonable of resource between website
Allotment (such as consider the business Qos characteristic that the website of different user is supported, time delay, business duration and data transfer rate, Yi Jiyong
The accumulative duration for occupying shared resource in family, current spectral resource idle state etc.), therefore, this step is by share spectrum resources pipe
Reason system completes the distribution confirmation of shared resource.
Step 606: share spectrum resources management system is by sending the distribution information of shared resource to location resource allocation
Distribution or the refusal of resource are completed in center.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the application protection.
Claims (5)
1. realizing the shared method of frequency resource under a kind of frequency sharing mechanism characterized by comprising
Share spectrum resources management system determines the frequency isolation requirement between each website, stores institute during site registration
The frequency isolation requirement between each website is stated, and is sent to location resource allocation center；
When the first website has frequency resource application demand, location resource allocation center is obtained from share spectrum resources management system
The current resource using information of each website, and in conjunction with the frequency isolation requirement between each website, determine that the first website can make
Frequency resource, to the frequency resource that the first website is able to use described in share spectrum resources management system requested；
Share spectrum resources management system carries out shared resource Decision of Allocation according to the request at location resource allocation center；
Wherein, the frequency isolation between each website of the share spectrum resources management system storage is required comprising the content in table 1:
Table 1
Wherein, 1 ... M is site number, and M is the integer more than or equal to 1；
N is the integer more than or equal to 1.
2. the method according to claim 1, wherein the share spectrum resources management system is in site registration
In the process, determine that the frequency isolation between each website requires to include:
Location resource allocation center sends authentication request message to share spectrum resources management system, carries station to be registered in message
The information of point, the information includes: the geographical location of website to be registered, equipment Transceiver Features parameter；
Share spectrum resources management system carries out interference co-existence analysis to the website to be registered and each registered website, determines
Frequency isolation requirement between the website to be registered and each registered website, by the website to be registered and each registered station
Frequency isolation between point requires to be sent to location resource allocation center.
3. according to the method described in claim 2, it is characterized in that, share spectrum resources management system is sent to local resource pipe
Frequency isolation between the website to be registered and each registered website at reason center is required comprising the content in table 2:
Table 2
Wherein, M is the number of the website to be registered, and N and M are the integer more than or equal to 1.
4. method according to any one of claims 1 to 3, it is characterised in that:
The current resource using information of each website that share spectrum resources management system is sent to location resource allocation center includes
Content in table 3:
Table 3
Wherein, 1 ... M is site number, and M is the integer more than or equal to 1.
5. realizing the shared system of frequency resource under a kind of frequency sharing mechanism characterized by comprising share spectrum resources pipe
Reason system and location resource allocation center, in which:
The share spectrum resources management system, for determining that the frequency isolation between each website is wanted during site registration
It asks, stores the frequency isolation requirement between each website, and be sent to location resource allocation center；
When the first website has frequency resource application demand, location resource allocation center is obtained from share spectrum resources management system
The current resource using information of each website, and in conjunction with the frequency isolation requirement between each website, determine that the first website can make
Frequency resource, to the frequency resource that the first website is able to use described in share spectrum resources management system requested；
After the share spectrum resources management system receives the request at location resource allocation center, it is also used to according to local resource pipe
The request at reason center carries out shared resource Decision of Allocation；
Wherein, the frequency isolation between each website of the share spectrum resources management system storage is required comprising the content in table 1:
Table 1
Wherein, 1 ... M is site number, and M is the integer more than or equal to 1；
N is the integer more than or equal to 1.
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| CN109729527A (en) * | 2017-10-31 | 2019-05-07 | 普天信息技术有限公司 | Frequency point allocation method and device under spectrum sharing mechanisms |
| CN110460998A (en) * | 2018-05-08 | 2019-11-15 | 普天信息技术有限公司 | A kind of dynamic spectrum sharing method and device |
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