CN103686887B - A kind of methods, devices and systems of frequency spectrum switching - Google Patents
A kind of methods, devices and systems of frequency spectrum switching Download PDFInfo
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- CN103686887B CN103686887B CN201210334344.7A CN201210334344A CN103686887B CN 103686887 B CN103686887 B CN 103686887B CN 201210334344 A CN201210334344 A CN 201210334344A CN 103686887 B CN103686887 B CN 103686887B
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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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Abstract
The invention discloses a kind of method of frequency spectrum switching, it is related to the communications field, to fast and reliable switching frequency spectrum.Methods described includes：Spectrum manager receives the current channel condition message that database entity is sent；The current channel condition message includes：Currently available channel information；The channel for being selected the base station under the spectrum manager control to be used according to the currently available channel information；Selection channel notification is sent to the database entity, the selection channel notification includes：Base station channel to be used；The selection channel notification is sent to the base station, switching command is sent with the user equipment under causing the base station to be controlled to the base station.The present invention is applied to how faster to switch frequency spectrum when present channel is unavailable.
Description
Technical field
The present invention relates to the methods, devices and systems of the communications field, more particularly to a kind of switching of frequency spectrum.
Background technology
Current frequency spectrum Distursement is fixed allocation, i.e., government is the fixed money of the specific transactions distribution of specific user
Source, such as TV, broadcast, radar, navigation are all using fixed frequency.Research shows have in the frequency spectrum of fixed allocation at present
A large amount of frequencies are not to use always, nor using everywhere, thus there are some periods and some geographical position, portion
Part-frequency point is underutilized, and causes the significant wastage of frequency spectrum resource.
For example, TV (TV) frequency spectrum there is waste to a certain extent, in order to reduce this waste, in the prior art,
Dynamic spectrum access of the cellular system to TV frequency ranges is realized using cognitive radio (Cognitive Radio, CR) technology.Specifically
, cognitive radio finds that what these occurred whenever and wherever possible does not account for by way of cognitive radio spectrum environment or database
With frequency range, and on the premise of primary user (Primary User, PU, the frequency usage user of former fixed allocation) is not disturbed, make
Time user's (Secondary User, SU) dynamic access these frequency ranges, the use for formula of seizing every opportunity is realized to improve frequency spectrum
Utilization rate.
During above-mentioned frequency spectrum use, when primary user occurs, secondary user must exit currently used frequency in time
Section, it is to avoid interfered to primary user.Subsystem is in order to ensure the continuity of business, it is necessary to carry out frequency spectrum switching.In realization
During stating frequency spectrum switching, database entity is notified after the unavailable notice of base station present channel, and base station needs real to database
Body application available channel list, then data entity is to the currently available channel information of base station transmission, and such base station can just be obtained
Know available channel, and then carry out frequency spectrum switching.The time for so carrying out frequency spectrum switching cost is longer, influences switching efficiency.
The content of the invention
Embodiments of the invention provide a kind of methods, devices and systems of frequency spectrum switching, to fast and reliable switching frequency
Spectrum.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
In a first aspect, the embodiments of the invention provide a kind of method of frequency spectrum switching, including：
Spectrum manager receives the current channel condition message that database entity is sent；The current channel condition message package
Include：Currently available channel information；
The channel for being selected the base station under the spectrum manager control to be used according to the currently available channel information；
Selection channel notification is sent to the database entity, the selection channel notification includes：The base station is to be used
Channel；
The selection channel notification is sent to the base station, with the user equipment under causing the base station to be controlled to the base station
Send switching command.
With reference in a first aspect, in the first possible implementation, database entity is received in the spectrum manager
Before the current channel condition message of transmission, methods described also includes：
Spectrum manager is currently used according to the base station under the current channel quality in the base station under its control or its control
Spread spectrum scenarios, send request channel to database entity and notify；The request channel notifies to be used for the database entity Shen
Please available channel.
With reference to the first possible implementation of first aspect, in second of possible implementation, it is described to
Database entity is sent before request channel notice, and methods described also includes：
Spectrum manager receives the measurement report that the base station under its control is sent；The measurement report is surveyed including the base station
The current channel quality of amount.
With reference to the possible implementation of first two of first aspect, in the third possible implementation, the frequency spectrum
Manager is according to the currently used spread spectrum scenarios in the base station under the current channel quality in the base station under its control or its control, to number
Request channel is sent according to storehouse entity to notify to include：
Spectrum manager is currently used according to the base station under the current channel quality in the base station under its control or its control
Spread spectrum scenarios, judge whether to frequency spectrum switching；
If the current channel quality in the lower base station of spectrum manager control is less than preset value, or, the frequency spectrum pipe
The frequency spectrum that the currently used frequency spectrum base station adjacent thereto in base station under reason device control is used is identical or adjacent, then to database entity
Request channel is sent to notify.
With reference to the possible implementation of first three of first aspect, in the 4th kind of possible implementation, to described
Base station is sent after the selection channel notification, in addition to：
Receive the switching completion notice that the base station is sent.
With reference in a first aspect, in the 5th kind of possible implementation, the current channel condition message also includes：Currently
Channel is unavailable to be notified；The present channel is unavailable to be notified currently to make for identifying the base station under the spectrum manager control
Channel is unavailable.
Second aspect, the embodiments of the invention provide a kind of method of frequency spectrum switching, including：
Base station receives the current channel condition message that database entity is sent；The current channel condition message includes：When
The preceding unavailable notice of channel and currently available channel information；The present channel is unavailable to be notified to work as identifying the base station
The preceding channel used is unavailable；
Base station channel to be used is selected according to the currently available channel information and continues frequency spectrum switching.
The third aspect, the embodiments of the invention provide a kind of method of frequency spectrum switching, including：
Database entity sends current channel condition message to spectrum manager；The current channel condition message includes：
Currently available channel information；To cause the spectrum manager to select the spectrum management according to currently available channel information
Base station channel to be used under device control；
The selection channel notification that the spectrum manager is sent is received, the selection channel notification includes：Treat the base station
The channel used.
With reference to the third aspect, in the first possible implementation, the database entity is sent to spectrum manager
Current channel condition message includes：
When the database entity has primary user to occur on the currently used channel in the base station, sent out to spectrum manager
Send current channel condition message.
With reference to the first possible implementation of the third aspect, in second of possible implementation, in the number
Before sending current channel condition message to spectrum manager according to storehouse entity, methods described also includes：Received spectrum manager is sent out
The request channel sent is notified；The request channel notifies to be used for the available channel of database entity application.
It is described current in the third possible implementation with reference to the third aspect and the first possible implementation
Channel status message also includes：Present channel is unavailable to be notified；The present channel is unavailable to be notified to be used to identify the frequency spectrum
Manager control under base station it is currently used channel it is unavailable.
Fourth aspect, the embodiments of the invention provide a kind of method of frequency spectrum switching, including：
Database entity sends current channel condition message to base station；The current channel condition message includes：Current letter
The unavailable notice in road and currently available channel information；The present channel is unavailable to be notified currently to make for identifying the base station
Channel is unavailable；The currently available channel information, for making the base station be believed according to the currently available channel
Breath selection base station channel to be used；
The selection channel notification that the base station is sent is received, the selection channel notification includes：The base station is to be used
Channel.
With reference to fourth aspect, in the first possible implementation, the database entity sends current letter to base station
Road status message includes：
When the database entity has primary user to occur on the currently used channel in the base station, send current to base station
Channel status message.
5th aspect, the embodiments of the invention provide a kind of spectrum manager, including：
First receiving unit, the current channel condition message for receiving database entity transmission；The present channel shape
State message includes：Currently available channel information；
Selecting unit, for described in the currently available channel information selection according to received by first receiving unit
Base station channel to be used；
First transmitting element, for sending selection channel notification, the selection channel notification bag to the database entity
Include：The base station of selecting unit selection channel to be used；
Second transmitting element, for sending the selection channel notification to the base station, to cause the base station to the base
User equipment under stand control sends switching command.
With reference to the 5th aspect, in the first possible implementation, described spectrum manager also includes：Judge single
Member, for currently used according to the base station under the current channel quality in the base station under spectrum manager control or its control
Spread spectrum scenarios, judge whether to frequency spectrum switching；
3rd transmitting element, is the base under the spectrum manager is controlled for the judged result in the judging unit
Current channel quality of standing is less than preset value, or, the currently used frequency spectrum in base station under spectrum manager control and its
In the case that the frequency spectrum that adjacent base station is used is identical or adjacent, sends request channel to database entity and notify；The letter of application
Road notifies to be used for the available channel of database entity application.
With reference to the first possible implementation of the 5th aspect, in second of possible implementation, described frequency
Manager is composed, in addition to：Second receiving unit, for receiving the measurement report that the base station under the spectrum manager control is sent
Accuse；The measurement report includes the current channel quality of the base station measurement.
With reference to the possible implementation of first two of the 5th aspect, in the third possible implementation, described frequency
Manager is composed, in addition to：
3rd receiving unit, for receiving the switching completion notice that the base station is sent.
With reference to the 5th aspect, in the 4th kind of possible implementation, the current channel condition message also includes：Currently
Channel is unavailable to be notified；The present channel is unavailable to be notified currently to make for identifying the base station under the spectrum manager control
Channel is unavailable.
With reference to preceding four kinds of possible implementations of the 5th aspect, in the 5th kind of possible implementation, the frequency spectrum
Manager is located at Element management system or NMS.
With reference to the 5th kind of mode in the cards of the 5th aspect, in the 6th kind of possible implementation, when frequency spectrum pipe
When managing device and being located at NMS, the message between spectrum manager and its base station under controlling is transferred through NMS
The interface of system and Element management system；When spectrum manager is located at Element management system, spectrum manager and database entity
Between message be transferred through the interface of NMS and Element management system.
6th aspect, the embodiments of the invention provide a kind of base station, including：
Receiving unit, the current channel condition message for receiving database entity transmission；The current channel condition disappears
Breath includes：The unavailable notice of present channel and currently available channel information；The present channel is unavailable to be notified to be used to identify
The currently used channel in the base station is unavailable；
Selecting unit, the base station is selected for the currently available channel information according to received by the receiving unit
Channel to be used.
7th aspect, the embodiments of the invention provide a kind of database entity, including：
First transmitting element, for sending current channel condition message to spectrum manager；The current channel condition disappears
Breath includes：Currently available channel information；For making the spectrum manager according to currently available channel information selection
Base station channel to be used under spectrum manager control；
First receiving unit, receives the selection channel notification that the spectrum manager is sent, the selection channel notification bag
Include：Base station channel to be used.
With reference to the 7th aspect, in the first possible implementation, described database entity also includes：Also include：
Second receiving unit, is notified for the request channel that received spectrum manager is sent；The request channel notifies to be used for described
The available channel of database entity application；
First transmitting element, the application specifically for receiving spectrum manager transmission in second receiving unit
During channel notification, current channel condition message is sent to the spectrum manager.
With reference to the 7th aspect, in second of possible implementation, the current channel condition message also includes：Currently
Channel is unavailable to be notified；The present channel is unavailable to be notified currently to make for identifying the base station under the spectrum manager control
Channel is unavailable.
Eighth aspect, the embodiments of the invention provide a kind of database entity, including：
First transmitting element, for sending current channel condition message to base station；The current channel condition message includes：
The unavailable notice of present channel and currently available channel information；The present channel is unavailable to be notified to be used to identify the base station
Currently used channel is unavailable；The currently available channel information, for making the base station according to described currently available
Channel information selects base station channel to be used；
First receiving unit, receives the selection channel notification that the base station is sent, and the selection channel notification includes：It is described
Base station channel to be used.
9th aspect, the embodiments of the invention provide a kind of frequency spectrum switching system, the frequency spectrum switching system includes：Data
Storehouse entity, base station and spectrum manager；
The database entity is used to send current channel condition message to spectrum manager；The current channel condition disappears
Breath includes：Currently available channel information；For making the spectrum manager according to currently available channel information selection
Base station channel to be used under spectrum manager control；
The spectrum manager is used for the current channel condition message for receiving database entity transmission；Currently may be used according to described
Channel information selects base station channel to be used；Selection channel notification is sent to the database entity；To described
Base station sends the selection channel notification, and the selection channel notification is used to continue the base station under the spectrum manager control
Frequency spectrum switches；
The base station is used for after the selection channel notification that the spectrum manager is sent is received, and continues frequency spectrum
Switching.
With reference to the 9th aspect, in the first possible implementation, the base station is additionally operable to the spectrum manager
Send measurement report；The measurement report includes the current channel quality of the base station measurement；
The spectrum manager is additionally operable to according to the base station under the current channel quality in the base station under its control or its control
Currently used spread spectrum scenarios, send request channel to database entity and notify；
After the database entity in the request channel for receiving the spectrum manager transmission specifically for notifying, to
Spectrum manager sends current channel condition message.
With reference to the 9th aspect, in second of possible implementation, the current channel condition message also includes：Currently
Channel is unavailable to be notified；The present channel is unavailable to be notified currently to make for identifying the base station under the spectrum manager control
Channel is unavailable.
Tenth aspect, the embodiments of the invention provide a kind of frequency spectrum switching system, including：Database entity and base station；Its
In, the database entity sends current channel condition message to base station；The current channel condition message includes：Present channel
Unavailable notice and currently available channel information；The present channel is unavailable to notify currently used for identifying the base station
Channel it is unavailable；
The base station is used to receive the current channel condition message that the database entity is sent；And currently may be used according to described
Channel information selects base station channel to be used.
A kind of methods, devices and systems of frequency spectrum switching provided in an embodiment of the present invention, on the one hand introduce spectrum manager,
The spectrum manager can be managed and be distributed to untapped frequency spectrum concentratedly the base station of needs to untapped frequency spectrum,
The frequency use information between base station under more conducively effectively utilizing frequency spectrum, the spectrum manager and can also controlling it is entered
Row real-time, interactive, is conducive to fast and reliable switching frequency spectrum.On the other hand, database entity is in the currently used letter in the base station
When thering is the primary user to occur on road, current channel condition message is sent to base station or spectrum manager, the current channel condition disappears
Breath contains currently available channel information, and such base station or spectrum manager to database entity just without sending available channel
Application, reduces the time of frequency spectrum switching, is conducive to quickly switching frequency spectrum.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is that base station uses the network architecture under TV spectrum scenarios；
Fig. 2 is a kind of method flow schematic diagram of frequency spectrum switching provided in an embodiment of the present invention；
The method flow schematic diagram that Fig. 3 switches for another frequency spectrum provided in an embodiment of the present invention；
The method flow schematic diagram that Fig. 4 switches for another frequency spectrum provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of spectrum manager provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of database entity provided in an embodiment of the present invention；
Fig. 7 is the structural representation of another database entity provided in an embodiment of the present invention；
Fig. 8 is a kind of structural representation of base station provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Firstly the need of explanation, the present invention is illustrated exemplified by using TV frequency spectrums.The existing network based on TV frequency spectrums
Framework is as shown in figure 1, the network architecture includes：Database entity, NMS (Network Management
System, NMS), Element management system (Element Management System, EMS) and network element (Network
Element, NE), wherein, network element includes：Evolved base station (evolved NodeB, eNB), mobile management entity (Mobility
Management Entity, MME), Service Gateway (Serving Gateway, S-GW), packet data gateway (Packet
Date Network Gateway, P-GW) etc., the net in radio communication, the embodiment of the present invention is wherein carried out between base station and UE
Member is mainly base station.When base station needs switching frequency spectrum, the information transfer between base station and database entity is, it is necessary to via network element pipe
The interface of reason system and NMS.The embodiment of the present invention is described in detail by taking the switching of TV frequency spectrums as an example, other frequency spectrums
Switching can refer to the embodiment of the present invention, do not repeat one by one herein.
The embodiment of the present invention introduced in the network architecture of above-mentioned TV frequency spectrums spectrum manager (Spectrum Manage,
SM), the spectrum manager can be located at NMS or Element management system.The spectrum manager can be to not making
Frequency spectrum is managed concentratedly and untapped frequency spectrum is distributed into base station in need, and between the base station under controlling it
Frequency use information carry out real-time, interactive, be conducive to fast and reliable switching frequency spectrum.
The embodiment of the present invention provides the side that a kind of frequency spectrum switches based on the above-mentioned network architecture for including spectrum manager
Method, as shown in Fig. 2 this method includes：
S301, database entity send current channel condition message to spectrum manager.
When the database entity has primary user to occur on the currently used channel in the base station, sent out to spectrum manager
Send current channel condition message.
Optionally, when primary user occurs, primary user's notification database entity primary user occurs, then database entity knows this
Channel is unavailable used in primary user, now, and to controlling, the spectrum manager transmission of these channels is current to be believed database entity
Road status message；Or, perceive entity and perceive after primary user's appearance, perceive entity notification database entity primary user and occur,
Then database entity knows that channel used in the primary user is unavailable, now, database entity to control these channels frequency
Compose manager and send current channel condition message.
The current channel condition message includes：The unavailable notice of present channel and currently available channel information；It is described
Present channel is unavailable to be notified, unavailable for identifying the currently used channel in the base station under the spectrum manager control；Institute
Currently available channel information is stated, for making the spectrum manager according to the currently available channel information selection frequency
Compose the base station channel to be used under manager control.
Example, in TV frequency ranges, not every channel is all being used in all when and wheres, in some times
The frequency spectrum being not used with place, is properly termed as the white frequency spectrums of TV.The white frequency spectrums of current TV can be used as currently available channel.
S302, spectrum manager select the channel to be used of the base station under the spectrum manager control.
Spectrum manager receives the current channel condition message that database entity is sent, according to the currently available channel
Information selects the channel to be used of the base station under the spectrum manager control；Specifically, spectrum manager can be according to reality
Need, the channel for selecting the base station to be used from currently available channel.
S303, spectrum manager send selection channel notification to database entity.
The selection channel notification includes：Base station under spectrum manager control channel to be used, i.e., it is above-mentioned
Selection result in S302.
Base station under S304, spectrum manager are controlled to the spectrum manager sends selection channel notification.
The selection channel notification is used to make the base station under the spectrum manager control continue frequency spectrum switching.
User equipment under S305, base station are controlled to the base station sends switching command.
The switching command is used to make the user equipment under the base station control perform frequency spectrum switching.
S306, base station send switching completion notice to spectrum manager again.
The switching completion notice is used to identify the spectrum manager, and the user equipment under the base station control is complete
Into frequency spectrum switching.
Optionally, the above method can also include between step S303 and step S304：
S307, database entity are received after the selection channel notification that the spectrum manager is sent, to the frequency spectrum pipe
Manage device and send confirmation message；
The confirmation message is used to inform the spectrum manager, and database entity has had successfully received spectrum manager hair
The selection channel notification sent.
Now, S304 is specifically as follows：Spectrum manager is received after database entity transmission confirmation message, to the frequency
Compose the base station under manager control and send selection channel notification.
The selection channel notification is used to make the base station under the spectrum manager control continue frequency spectrum switching.
By the network architecture of existing TV frequency spectrums it is known that in step S301, S303, S304, S306, S307, base station
To pass through Element management system and NMS with the information exchange of database inter-entity, therefore, in Element management system
Messaging has been accordingly increased between NMS.
Optionally, spectrum manager can be located at NMS, and now, message S304, S306 passes through network management
Interface between system and Element management system；Optionally, spectrum manager can also be located at Element management system, now, message
S301, S303, S307 are by the interface between NMS and Element management system.
Frequency spectrum switching method provided in an embodiment of the present invention, on the one hand introduces spectrum manager, the spectrum manager can
To be managed concentratedly to untapped frequency spectrum and untapped frequency spectrum is distributed into base station in need, be conducive to fast and reliable
Switching frequency spectrum；On the other hand, contained in the current channel condition message that database entity is sent to spectrum manager current
Available channel information, such spectrum manager just without sending available channel application to database entity, reduces frequency spectrum and cut
The time changed, be conducive to quickly switching frequency spectrum.
Reference picture 3, the embodiment of the present invention provides another frequency spectrum based on the above-mentioned network architecture for including spectrum manager
The method of switching, this method includes：
S401, spectrum manager judge whether to frequency spectrum switching.
Spectrum manager is currently used according to the base station under the current channel quality in the base station under its control or its control
Spread spectrum scenarios, judge whether to frequency spectrum switching；
Optionally, when the base station under spectrum manager control, current channel quality is less than preset value, then enters line frequency
Spectrum switching, continues S402；Otherwise, then frequency spectrum switching need not be carried out, terminates flow.
Wherein, the current channel quality in base station under spectrum manager control is specifically referred to less than preset value, spectrum management
The parameter of the measurement channel quality of base station currently under device control is less than preset value.
In all embodiments of the invention, weighing the parameter of channel quality can include：Signal to noise ratio (Signal to
Noise Ratio, SNR), Signal to Interference plus Noise Ratio (Signal to Interference plus Noise Ratio, SINR), signal
Any in the performance parameters of channel such as noise distortion ratio (Signal to Noise and Distortion Ratio, SNDR)
It is individual, or by the parameter for weighing channel quality obtained by least two performance parameters, such as channel quality indicates (channel
Quality indicator, CQI), the channel quality indicates that above-mentioned signal to noise ratio, Signal to Interference plus Noise Ratio and signal noise can be passed through
Distortion is than waiting performance parameter of channel to calculate., wherein it is desired to which explanation, based on different parameters, can set difference
Preset value.
Or, the frequency spectrum phase that the currently used frequency spectrum base station adjacent thereto in base station under spectrum manager control is used
Same or adjacent, then the frequency spectrum that spectrum manager needs the base station under controlling it currently used is switched over, and proceeds S402；
Otherwise, then frequency spectrum switching need not be carried out, terminates flow.
S402, spectrum manager send request channel to database entity and notified.
Spectrum manager determines the currently used frequency spectrum needs in the lower base station of its control and switched over, then spectrum manager
Request channel is sent to database entity to notify, the request channel notifies to be used for the available letter of the database entity application
Road.
S403, database entity send current channel condition message to spectrum manager.
The current channel condition message includes：Currently available channel information；To make the spectrum manager according to
Currently available channel information selects the channel to be used of the base station under the spectrum manager control.
Example, in TV frequency ranges, not every channel is all being used in all when and wheres, in some times
The frequency spectrum being not used with place, is properly termed as the white frequency spectrums of TV.The white frequency spectrums of current TV can be used as currently available channel.
S404, spectrum manager select the channel to be used of the base station under the spectrum manager control.
Spectrum manager receives the current channel condition message that database entity is sent, according to the currently available channel
Information selects the channel to be used of the base station under the spectrum manager control；Specifically, spectrum manager can be according to reality
Need, the channel for selecting the base station to be used from currently available channel.
S405, spectrum manager send selection channel notification to database entity.
The selection channel notification includes：Base station under spectrum manager control channel to be used, i.e., it is above-mentioned
Selection result in S404.
Base station under S406, spectrum manager are controlled to the spectrum manager sends selection channel notification.
The selection channel notification is used to make the base station under the spectrum manager control continue frequency spectrum switching.
User equipment under S407, base station are controlled to the base station sends switching command.
The switching command is used to make the user equipment under the base station control perform frequency spectrum switching.
S408, base station send switching completion notice to spectrum manager again.
The switching completion notice is used to identify the spectrum manager, and the user equipment under the base station control is complete
Into frequency spectrum switching.
Optionally, if spectrum manager is judged whether according to the current channel quality in the base station under its control in S401
Frequency spectrum switching is carried out, then the above method can also further include before S401：
Base station under S400, spectrum manager control sends measurement report to the spectrum manager.
Base station under spectrum manager control sends measurement report to the spectrum manager, and the measurement report includes institute
The current channel quality in base station is stated, the measurement report can be event triggering or periodic.
Optionally, the above method can also include between step S405 and step S406：
S409, database entity are received after the selection channel notification that the spectrum manager is sent, to the frequency spectrum pipe
Manage device and send confirmation message；
The confirmation message is used to inform the spectrum manager, and database entity has had successfully received spectrum manager hair
The selection channel notification sent.
Now, S406 is specifically as follows：Spectrum manager is received after database entity transmission confirmation message, to the frequency
Compose the base station under manager control and send selection channel notification.
The selection channel notification is used to make the base station under the spectrum manager control continue frequency spectrum switching.
By the network architecture of existing TV frequency spectrums it is known that step S400, S402, S403, S405, S406, S408,
In S409, the information exchange of base station and database inter-entity will pass through Element management system and NMS, therefore, in net
Messaging has been accordingly increased between first management system and NMS.
Optionally, spectrum manager can be located at NMS, and now, message S400, S406, S408 pass through network
Interface between management system and Element management system；Optionally, spectrum manager can also be located at Element management system, now,
Message S402, S403, S405, S409 are by the interface between NMS and Element management system.
Frequency spectrum switching method provided in an embodiment of the present invention, introduces spectrum manager, the spectrum manager can be to not
The spectrum concentration used manages and untapped frequency spectrum is distributed into base station in need, is more conducive to effectively utilize frequency spectrum, institute
The frequency use information between base station under stating spectrum manager and can also controlling it carries out real-time, interactive, is conducive to quickly may be used
The switching frequency spectrum leaned on.
Reference picture 4, the embodiment of the present invention provides the method for another frequency spectrum switching, this method bag based on the above-mentioned network architecture
Include：
S501, database entity send current channel condition message to base station.
When the database entity has primary user to occur on the currently used channel in the base station, send current to base station
Channel status message.
Optionally, when primary user occurs, primary user's notification database entity primary user occurs, then database entity knows this
Channel is unavailable used in primary user, now, and database entity sends current channel condition message to base station；Or, perceive
Entity is perceived after primary user's appearance, perceives entity notification database entity primary user and occurs, then database entity knows the master
Channel is unavailable used in user, now, and database entity sends current channel condition message to base station.
The current channel condition message includes the unavailable notice of present channel and currently available channel information；It is described to work as
Preceding channel is unavailable to notify unavailable for identifying the currently used channel in the base station；The currently available channel information is used
So that the base station selects base station channel to be used according to the currently available channel information.
Example, in TV frequency ranges, not every channel is all being used in all when and wheres, in some times
The frequency spectrum being not used with place, is properly termed as the white frequency spectrums of TV.The white frequency spectrums of current TV can be used as currently available channel.
S502, the base station selected base station channel to be used.
Base station receives the current channel condition message that database entity is sent, and is selected according to the currently available channel information
Select base station channel to be used；Specifically, base station can select itself from currently available channel according to actual needs
Channel to be used.
S503, base station send selection channel notification to database entity.
The selection channel notification includes：Selection result in base station channel to be used, i.e., above-mentioned S502.
S504, database entity are received after the selection channel notification that the base station is sent, and are sent and are confirmed to the base station
Message.
The confirmation message is used to inform the base station, and database entity has had successfully received the selection channel of base station transmission
Notify.
User equipment under S505, base station are controlled to the base station sends switching command.
The switching command is used to make the user equipment under the base station control perform frequency spectrum switching.
S506, base station send switching completion notice to database entity again.
The switching completion notice is used to identify the database entity, and the user equipment under the base station control is complete
Into frequency spectrum switching.
By the network architecture of existing TV frequency spectrums it is known that in step S501, S503, S504, S506, base station and data
The information exchange of storehouse inter-entity will pass through Element management system and NMS, therefore, in Element management system and network
There is corresponding messaging between management system.
Frequency spectrum switching method provided in an embodiment of the present invention, the current channel condition message that database entity is sent to base station
In contain currently available channel information, such base station just without sending the application of available channel information to database entity,
The time of frequency spectrum switching is reduced, is conducive to quickly switching frequency spectrum.
Below, the embodiments of the invention provide the device corresponding with above-mentioned frequency spectrum switching method, it is necessary to explanation, with
Each functional unit that lower device is included can perform the corresponding steps in the above method, therefore in the following embodiments to dress
Each functional unit put is not described in detail.
As shown in figure 5, the embodiments of the invention provide a kind of spectrum manager 6, including：
First receiving unit 61, the current channel condition message for receiving database entity transmission；The present channel
Status message includes：Currently available channel information；
Selecting unit 62, for the currently available channel information selection according to received by first receiving unit 61
Base station channel to be used；
First transmitting element 63, for sending selection channel notification, the selection channel notification to the database entity
Including：The base station of selecting unit selection channel to be used；
Second transmitting element 64, for sending the selection channel notification to the base station, with cause the base station to this
User equipment under the control of base station sends switching command.
Above-mentioned spectrum manager can further include：Judging unit 65, for being controlled according to the spectrum manager
Under the currently used spread spectrum scenarios of the current channel quality in base station or base station under its control, judge whether to frequency spectrum and cut
Change；
3rd transmitting element 66, is under the spectrum manager is controlled for the judged result in the judging unit 65
The current channel quality in base station be less than preset value, or, the currently used frequency spectrum in base station under the spectrum manager control
In the case that the frequency spectrum that base station adjacent thereto is used is identical or adjacent, sends request channel to database entity and notify；The Shen
Please channel notification be used for the available channel of database entity application.
Further, above-mentioned spectrum manager 6 can also include：Second receiving unit 67, for receiving the frequency spectrum
The measurement report that base station under manager control is sent；The measurement report includes the current channel quality in the base station.
Further, above-mentioned spectrum manager 6 can also include：3rd receiving unit 68, for receiving the base station
The switching completion notice of transmission.
Optionally, above-mentioned spectrum manager can also include：4th receiving unit 69, for receiving the database entity
The confirmation message for the selection channel notification sent.
Now, the second transmitting element 64, specifically can be used for receiving after database entity sends confirmation message, to described
Base station sends the selection channel notification, and switching command is sent with the user equipment under causing the base station to be controlled to the base station.
It is preferred that, the first receiving unit 61, the current channel condition message received also includes：Present channel is unavailable logical
Know；The present channel is unavailable, and notify can not for identifying the currently used channel in the base station under the spectrum manager control
With.
It is preferred that, the spectrum manager is located at Element management system or NMS.
Further, when spectrum manager is located at NMS, spectrum manager and the base station of its lower control
Between message will by NMS and Element management system interface；When spectrum manager is located at Element management system
When, the message between spectrum manager and database entity will be by NMS and the interface of Element management system.
As shown in fig. 6, the embodiments of the invention provide a kind of database entity 7, including：
First transmitting element 71, for sending current channel condition message to spectrum manager；The current channel condition
Message includes：Currently available channel information；For making the spectrum manager according to currently available channel information selection institute
State the base station channel to be used under spectrum manager control；
First receiving unit 72, receives the selection channel notification that the spectrum manager is sent, the selection channel notification
Including：Base station under spectrum manager control channel to be used.
Optionally, above-mentioned database entity also includes：Second transmitting element 73, for sending true to the spectrum manager
Message is recognized, to cause the spectrum manager to continue frequency spectrum switching.
Optionally, above-mentioned first transmitting element 71 can be used for, and database entity is currently used in the spectrum manager
Channel on when thering is the primary user to occur, send current channel condition message to spectrum manager.
Further, above-mentioned database entity can also include：Second receiving unit 74, for received spectrum manager hair
The request channel sent is notified；The request channel notifies to be used for the available channel of database entity application；Now, it is described
First transmitting element 71, is notified specifically for the request channel that spectrum manager transmission is received in second receiving unit 74
When, send current channel condition message to the spectrum manager.
It is preferred that, the first transmitting element 71, the current channel condition message of transmission also includes：Present channel is unavailable logical
Know；The present channel is unavailable, and notify can not for identifying the currently used channel in the base station under the spectrum manager control
With.
The embodiment of the present invention additionally provides a kind of frequency spectrum switching system, including：Database entity, base station and spectrum management
Device；
The database entity is used to send current channel condition message to spectrum manager；The current channel condition disappears
Breath includes：Currently available channel information；To cause the spectrum manager according to currently available channel information selection
Base station channel to be used under spectrum manager control；
The spectrum manager is used for the current channel condition message for receiving database entity transmission；Currently may be used according to described
Channel information selects base station channel to be used；Selection channel notification is sent to the database entity；To described
Base station sends the selection channel notification, and the selection channel notification is used to continue the base station under the spectrum manager control
Frequency spectrum switches；
The base station is used for after the selection channel notification that the spectrum manager is sent is received, to the base station
User equipment under control sends switching command.
Optionally, the database entity is after the selection channel notification that received spectrum manager is sent, to the frequency
Compose manager and send confirmation message；The confirmation message is used to inform the spectrum manager, and database entity has had successfully received
The selection channel notification that the spectrum manager is sent.
Now, spectrum management implement body can be after the confirmation message that the database entity is sent is received, to
Base station under the spectrum manager control sends selection channel notification；The selection channel notification is used to make the spectrum management
Continue frequency spectrum switching in base station under device control.
Further, the base station is additionally operable to send measurement report to the spectrum manager；The measurement report is included
Current channel quality measured by the base station；
The spectrum manager is additionally operable to according to the base station under the current channel quality in the base station under its control or its control
Currently used spread spectrum scenarios, send request channel to database entity and notify；
After the database entity in the request channel for receiving the database entity transmission specifically for notifying, to
Spectrum manager sends current channel condition message.
It is preferred that, the current channel condition message also includes：Present channel is unavailable to be notified；The present channel can not
It is unavailable with the currently used channel in the base station for notifying to be used to identify under the spectrum manager control.
Optionally, the spectrum manager in above-mentioned frequency spectrum switching system can be the spectrum manager 6 shown in Fig. 5, data
Storehouse entity can be the database entity 7 shown in Fig. 6.
The embodiment of the present invention additionally provides the device corresponding with the above method below.
The embodiments of the invention provide a kind of spectrum manager, including：
Receiving device, the current channel condition message for receiving database entity transmission；The current channel condition disappears
Breath includes：Currently available channel information；To make the spectrum manager according to currently available channel information selection
Base station channel to be used under spectrum manager control；
Processor, selects the base station to treat for the currently available channel information according to received by the receiving device
The channel used；
Sending device, for sending selection channel notification to the database entity, the selection channel notification includes：Institute
State the base station of processor selection channel to be used；
The sending device, is additionally operable to send the selection channel notification to the base station, with cause the base station to this
User equipment under the control of base station sends switching command.
It is preferred that, the current channel condition message also includes：Present channel is unavailable to be notified；The present channel can not
It is unavailable with the currently used channel in the base station for notifying to be used to identify under the spectrum manager control.
Processor in above-mentioned spectrum manager can also be further used for the base under being controlled according to the spectrum manager
The currently used spread spectrum scenarios of the channel quality for standing current or the lower base station of its control, judge whether to frequency spectrum and switch；
Sending device in above-mentioned spectrum manager, for being the spectrum manager in the judged result of the processor
The current channel quality in the lower base station of control is less than preset value, or, the base station under the spectrum manager is controlled is currently used
The frequency spectrum that uses of frequency spectrum base station adjacent thereto it is identical or adjacent in the case of, send request channel to database entity and notify；
The request channel notifies to be used for the available channel of database entity application.
Further, the receiving device in above-mentioned spectrum manager can be also used for receiving the spectrum manager control
Under base station send measurement report；The measurement report includes the current channel quality measured by the base station.
Further, the receiving device in above-mentioned spectrum manager can be also used for receiving the switching that the base station is sent
Completion notice.
Optionally, above-mentioned spectrum manager can also include：Receiving device, the receiving device is used to receive the data
The confirmation message for the selection channel notification that storehouse entity is sent.The confirmation message is used to inform the spectrum management
Device, database entity has had successfully received the selection channel notification of spectrum manager transmission.
Now, the sending device, specifically can be used for receiving the database entity transmission in the receiving device
Confirmation message after, the selection channel notification is sent to the base station, with the use under causing the base station to be controlled to the base station
Family equipment sends switching command.
The embodiments of the invention provide a kind of database entity, including：
Sending device, for sending current channel condition message to spectrum manager；The current channel condition message package
Include：Currently available channel information；To cause the spectrum manager to select the frequency spectrum according to currently available channel information
Base station channel to be used under manager control；
Receiving device, receives the selection channel notification that the spectrum manager is sent, and the selection channel notification includes：Institute
State base station channel to be used.
Optionally, the sending device can be used for, and database entity has master on the currently used channel in the base station
When user occurs, current channel condition message is sent to spectrum manager.
Further, the receiving device in above-mentioned database entity can be also used for the application of received spectrum manager transmission
Channel notification；The request channel notifies to be used for the available channel of database entity application；Now, the transmitter
Part, when being notified specifically for receiving the request channel of spectrum manager transmission in the receiving device, to the base station or institute
State spectrum manager and send current channel condition message.
It is preferred that, the sending device, the current channel condition message of transmission also includes：Present channel is unavailable to be notified；
The present channel is unavailable to notify unavailable for identifying the currently used channel in the base station under the spectrum manager control.
Device and system provided in an embodiment of the present invention, on the one hand introduce spectrum manager, spectrum manager can be to not
The spectrum concentration used manages and distributes to untapped frequency spectrum the base station of needs, is more conducive to effectively utilize frequency spectrum, described
Spectrum manager it can also be controlled under base station between frequency use information carry out real-time, interactive, be conducive to fast and reliable
Switching frequency spectrum.On the other hand, when the database entity has primary user to occur on the currently used channel in the base station, to
Spectrum manager sends current channel condition message, and the current channel condition message includes：Present channel it is unavailable notice and
Currently available channel information；So described spectrum manager just without sending available channel application to database entity, is reduced
The time of frequency spectrum switching, be conducive to quickly switching frequency spectrum.
Below, the embodiments of the invention provide the device corresponding with above-mentioned frequency spectrum switching method, it is necessary to explanation, with
Each functional unit that lower device is included can perform the corresponding steps in the above method, therefore in the following embodiments to dress
Each functional unit put is not described in detail.
As shown in fig. 7, the embodiments of the invention provide a kind of database entity 8, including：
First transmitting element 81, for sending current channel condition message to base station；The current channel condition message package
Include：The unavailable notice of present channel and currently available channel information；The present channel is unavailable to notify described for identifying
The currently used channel in base station is unavailable；The currently available channel information, to make the base station currently may be used according to described
Channel information selects base station channel to be used；
First receiving unit 82, receives the selection channel notification that the base station is sent, and the selection channel notification includes：Institute
State base station channel to be used；
Second transmitting element 83, for sending confirmation message to the base station, to cause the base station to continue frequency spectrum switching.
Optionally, above-mentioned first transmitting element 81 can be used for, and database entity is in the currently used channel in the base station
On when thering is the primary user to occur, send current channel condition message to base station.
As shown in figure 8, the embodiments of the invention provide a kind of base station 9, including：
Receiving unit 91, the current channel condition message for receiving database entity transmission；The current channel condition
Message includes：The unavailable notice of present channel and currently available channel information；The present channel is unavailable to be notified to be used to mark
Know the currently used channel in the base station unavailable；The currently available channel information is to make the base station according to currently may be used
Channel information selects base station channel to be used；
Selecting unit 92, for described in the currently available channel information selection according to received by the receiving unit 91
Base station channel to be used.
The present invention implements to additionally provide a kind of frequency spectrum switching system, including：Database entity and base station；Wherein, the number
According to storehouse entity current channel condition message is sent to base station；The current channel condition message includes：Present channel is unavailable logical
Know and currently available channel information；The present channel is unavailable to be notified for identifying the currently used channel in the base station not
It can use；The currently available channel information is to make the base station be treated according to the currently available channel information selection base station
The channel used；
The base station is used to receive the current channel condition message that the database entity is sent；And currently may be used according to described
Channel information selects base station channel to be used.
Optionally, the database entity in above-mentioned frequency spectrum switching system can be the database entity 8 shown in Fig. 7, base station
It can be the base station 9 shown in Fig. 8.
The embodiment of the present invention additionally provides the device corresponding with the above method below.
The embodiments of the invention provide a kind of base station, including：
Receiving device, the current channel condition message for receiving database entity transmission；The current channel condition disappears
Breath includes：The unavailable notice of present channel and currently available channel information；The present channel is unavailable to be notified to be used to identify
The currently used channel in the base station is unavailable；The currently available channel information is to make the base station according to currently available
Channel information select base station channel to be used；
Processor, selects the base station to treat for the currently available channel information according to received by the receiving device
The channel used.
The embodiments of the invention provide a kind of database entity, including：
Sending device, for sending current channel condition message to base station；The current channel condition message includes：Currently
The unavailable notice of channel and currently available channel information；The present channel is unavailable to notify current for identifying the base station
The channel used is unavailable；The currently available channel information is to make the base station be selected according to currently available channel information
Select base station channel to be used；
Receiving device, receives the selection channel notification that the base station is sent, and the selection channel notification includes：The base station
Channel to be used.
Optionally, the sending device can be used for, and database entity has master on the currently used channel in the base station
When user occurs, current channel condition message is sent to base station.
Device and system provided in an embodiment of the present invention, the database entity is on the currently used channel in the base station
When having the primary user to occur, current channel condition message is sent to base station, the current channel condition message includes present channel not
Available notification and currently available channel information；So described base station just need not send available channel application to database entity,
The time of frequency spectrum switching is reduced, is conducive to quickly switching frequency spectrum.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can be borrowed
Software is helped to add the mode of required common hardware to realize, naturally it is also possible to which the former is more preferably by hardware, but in many cases
Embodiment.Understood based on such, the portion that technical scheme substantially contributes to prior art in other words
Dividing can be embodied in the form of software product, and the computer software product is stored in the storage medium that can be read, and such as be counted
The floppy disk of calculation machine, hard disk or CD etc., including some instructions to cause a computer equipment (can be personal computer,
Server, or the network equipment etc.) perform method described in each embodiment of the invention.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should using the scope of the claims as
It is accurate.
Claims (18)
1. a kind of method of frequency spectrum switching, it is characterised in that including：
Spectrum manager receives the current channel condition message that database entity is sent；The current channel condition message includes：
The unavailable notice of present channel and currently available channel information；The present channel is unavailable to be notified, for identifying the frequency
Compose manager control under base station it is currently used channel it is unavailable；
The channel for being selected the base station under the spectrum manager control to be used according to the currently available channel information；
Selection channel notification is sent to the database entity, the selection channel notification includes：Base station letter to be used
Road；
The selection channel notification is sent to the base station, is sent with the user equipment under causing the base station to be controlled to the base station
Switching command.
2. according to the method described in claim 1, it is characterised in that receive what database entity was sent in the spectrum manager
Before current channel condition message, methods described also includes：
Spectrum manager is according to the currently used frequency spectrum in the base station under the current channel quality in the base station under its control or its control
Situation, sends request channel to database entity and notifies；The request channel notify be used for can to the database entity application
Channel.
3. method according to claim 2, it is characterised in that send request channel described to database entity and notify it
Before, methods described also includes：
Spectrum manager receives the measurement report that the base station under its control is sent；The measurement report includes the base station measurement
Current channel quality.
4. according to the method in claim 2 or 3, it is characterised in that the spectrum manager is according to the base station under its control
The currently used spread spectrum scenarios of current channel quality or the lower base station of its control, request channel notice is sent to database entity
Including：
Spectrum manager is according to the currently used frequency spectrum in the base station under the current channel quality in the base station under its control or its control
Situation, judges whether to frequency spectrum switching；
If the current channel quality in the lower base station of spectrum manager control is less than preset value, or, the spectrum manager
The frequency spectrum that the currently used frequency spectrum base station adjacent thereto in base station under control is used is identical or adjacent, then is sent to database entity
Request channel is notified.
5. the method according to claim any one of 1-3, it is characterised in that sending the selection channel to the base station
After notice, in addition to：
Receive the switching completion notice that the base station is sent.
6. a kind of method of frequency spectrum switching, it is characterised in that including：
Database entity sends current channel condition message to spectrum manager；The current channel condition message includes：Currently
The unavailable notice of channel and currently available channel information；To cause the spectrum manager according to currently available channel information
The channel for selecting the base station under the spectrum manager control to be used；Wherein, the present channel is unavailable notifies, for marking
Know the currently used channel in base station under spectrum manager control unavailable；
The selection channel notification that the spectrum manager is sent is received, the selection channel notification includes：The base station is to be used
Channel.
7. method according to claim 6, it is characterised in that the database entity sends current letter to spectrum manager
Road status message includes：
When the database entity has primary user to occur on the currently used channel in the base station, send and work as to spectrum manager
Preceding channel status message.
8. method according to claim 7, it is characterised in that send current to spectrum manager in the database entity
Before channel status message, methods described also includes：The request channel that received spectrum manager is sent is notified；The request channel
Notify to be used for the available channel of database entity application.
9. a kind of spectrum manager, it is characterised in that including：
First receiving unit, the current channel condition message for receiving database entity transmission；The current channel condition disappears
Breath includes：The unavailable notice of present channel and currently available channel information；The present channel is unavailable to be notified, for identifying
The currently used channel in base station under spectrum manager control is unavailable；
Selecting unit, the base station is selected for the currently available channel information according to received by first receiving unit
Channel to be used；
First transmitting element, for sending selection channel notification to the database entity, the selection channel notification includes：Institute
State the base station of selecting unit selection channel to be used；
Second transmitting element, for sending the selection channel notification to the base station, to cause the base station to be controlled to the base station
User equipment under system sends switching command.
10. spectrum manager according to claim 9, it is characterised in that also include：Judging unit, for according to described
The currently used spread spectrum scenarios of the current channel quality in the lower base station of spectrum manager control or its base station under controlling, judgement is
No progress frequency spectrum switching；
Work as 3rd transmitting element, the base station under being controlled for the judged result in the judging unit for the spectrum manager
Preceding channel quality is less than preset value, or, the currently used frequency spectrum in base station under spectrum manager control is adjacent thereto
In the case that the frequency spectrum that base station is used is identical or adjacent, sends request channel to database entity and notify；The request channel leads to
Knowing is used for the available channel of database entity application.
11. spectrum manager according to claim 10, it is characterised in that also include：Second receiving unit, for receiving
The measurement report that base station under the spectrum manager control is sent；The measurement report includes the current of the base station measurement
Channel quality.
12. the spectrum manager according to claim any one of 9-11, it is characterised in that also include：
3rd receiving unit, for receiving the switching completion notice that the base station is sent.
13. the spectrum manager according to claim any one of 9-11, it is characterised in that the spectrum manager is located at net
First management system or NMS.
14. spectrum manager according to claim 13, it is characterised in that when spectrum manager is located at NMS
When, the message between spectrum manager and its base station under controlling is transferred through connecing for NMS and Element management system
Mouthful；When spectrum manager is located at Element management system, the message between spectrum manager and database entity is transferred through net
The interface of network management system and Element management system.
15. a kind of database entity, it is characterised in that including：
First transmitting element, for sending current channel condition message to spectrum manager；The current channel condition message package
Include：The unavailable notice of present channel and currently available channel information；For making the spectrum manager according to currently available
Channel information selects the channel to be used of the base station under the spectrum manager control；Wherein, the present channel is unavailable logical
Know, it is unavailable for identifying the currently used channel in the base station under the spectrum manager control；
First receiving unit, receives the selection channel notification that the spectrum manager is sent, and the selection channel notification includes：Institute
State base station channel to be used.
16. database entity according to claim 15, it is characterised in that also include：Second receiving unit, for receiving
The request channel that spectrum manager is sent is notified；The request channel notifies to be used for the available letter of the database entity application
Road；
First transmitting element, the request channel specifically for receiving spectrum manager transmission in second receiving unit
During notice, current channel condition message is sent to the spectrum manager.
17. a kind of frequency spectrum switching system, it is characterised in that including：Database entity, base station and spectrum manager；
The database entity is used to send current channel condition message to spectrum manager；The current channel condition message package
Include：The unavailable notice of present channel and currently available channel information；For making the spectrum manager according to currently available
Channel information selects the channel to be used of the base station under the spectrum manager control；Wherein, the present channel is unavailable logical
Know, it is unavailable for identifying the currently used channel in the base station under the spectrum manager control；
The spectrum manager is used for the current channel condition message for receiving database entity transmission；According to described currently available
Channel information selects base station channel to be used；Selection channel notification is sent to the database entity；To the base station
The selection channel notification is sent, the selection channel notification is used to make the base station under the spectrum manager control continue frequency spectrum
Switching；
The base station is used for after the selection channel notification that the spectrum manager is sent is received, and continues frequency spectrum and cuts
Change.
18. the frequency spectrum switching system according to claim 17, it is characterised in that the base station is additionally operable to the spectrum management
Device sends measurement report；The measurement report includes the current channel quality of the base station measurement；
The spectrum manager is additionally operable to current according to the base station under the current channel quality in the base station under its control or its control
The spread spectrum scenarios used, send request channel to database entity and notify；
The database entity is specifically for after the request channel notice that the spectrum manager is sent is received, to frequency spectrum
Manager sends current channel condition message.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210334344.7A CN103686887B (en) | 2012-09-11 | 2012-09-11 | A kind of methods, devices and systems of frequency spectrum switching |
| PCT/CN2013/076921 WO2014040430A1 (en) | 2012-09-11 | 2013-06-07 | Frequency spectrum switching method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210334344.7A CN103686887B (en) | 2012-09-11 | 2012-09-11 | A kind of methods, devices and systems of frequency spectrum switching |
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| WO (1) | WO2014040430A1 (en) |
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| US10045219B2 (en) | 2016-10-10 | 2018-08-07 | At&T Mobility Ii Llc | Spectrum access sharing front-end processor for mobile management entities |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101848465A (en) * | 2010-04-13 | 2010-09-29 | 南京邮电大学 | Fourth generation communication system network architecture design and wireless resource management method |
| CN101938750A (en) * | 2010-09-09 | 2011-01-05 | 华为技术有限公司 | Method for converting mobile allocation and upper control node of base station |
| CN102387505A (en) * | 2010-09-03 | 2012-03-21 | 中兴通讯股份有限公司 | Resource allocation method and cognitive radio system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101277516A (en) * | 2007-03-27 | 2008-10-01 | 华为技术有限公司 | Method, apparatus, base station and network system for selecting dynamic frequency |
| KR101452387B1 (en) * | 2008-02-18 | 2014-10-23 | 삼성전자주식회사 | Method and apparatus for managing spectrum in cognitive radio system supporing multi-channel operation |
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- 2012-09-11 CN CN201210334344.7A patent/CN103686887B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101848465A (en) * | 2010-04-13 | 2010-09-29 | 南京邮电大学 | Fourth generation communication system network architecture design and wireless resource management method |
| CN102387505A (en) * | 2010-09-03 | 2012-03-21 | 中兴通讯股份有限公司 | Resource allocation method and cognitive radio system |
| CN101938750A (en) * | 2010-09-09 | 2011-01-05 | 华为技术有限公司 | Method for converting mobile allocation and upper control node of base station |
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