CN106954220B - A kind of frequency spectrum sharing method and device - Google Patents
A kind of frequency spectrum sharing method and device Download PDFInfo
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- CN106954220B CN106954220B CN201710331394.2A CN201710331394A CN106954220B CN 106954220 B CN106954220 B CN 106954220B CN 201710331394 A CN201710331394 A CN 201710331394A CN 106954220 B CN106954220 B CN 106954220B
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
Abstract
The embodiment of the present invention provides a kind of frequency spectrum sharing method and device, is related to field of communication technology, can be improved the flexibility of frequency spectrum share.This method comprises: assigning sequence according to frequency spectrum and frequency spectrum sells sequence, it determines and carries out the frequency spectrum trading order that frequency spectrum is sold between multiple networks, and it can be according to the frequency spectrum trading order, bandwidth can be sold according to the spectrum requirement for network of assigning and the maximum for selling network, the transaction spectral bandwidth allowed between network and network of assigning is calculated, and can be that multiple networks distribute frequency spectrum according to the transaction spectral bandwidth for selling network between network of assigning.Wherein, frequency spectrum sequence of assigning is assigned the priority of frequency spectrum for characterizing multiple networks, frequency spectrum sells sequence and is used to characterize the computation sequence for selling network with network trading spectral bandwidth of assigning in multiple networks for characterizing the priority of multiple network received spectrums, frequency spectrum trading order.The embodiment of the present invention is used for frequency spectrum share.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of frequency spectrum sharing methods and device.
Background technique
Wireless frequency spectrum is the limited resources that there are economy and society to be worth, current main frequency spectrum distributing method be each
Network distributes fixed frequency range, such as the uplink band of connection 2G network is 909MHZ-915MHZ, and the upper line frequency of connection 3G network
Section is 1940MHZ-1955MHZ.Using this distribution method, in some network there are when a certain number of idle frequency ranges, other
Network can not use the free time frequency range, the frequency range for distributing to oneself can only be used, so as to cause the waste of frequency spectrum resource.
In order to improve the utilization rate of frequency spectrum, a kind of scheme of frequency spectrum share is proposed in the prior art, specifically: according to difference
The idle frequency spectrum of the lower network of the availability of frequency spectrum (being properly termed as selling network) is distributed to frequency by the frequency spectrum service condition of network
The network (being properly termed as network of assigning) of spectrum resource anxiety uses.
Using the scheme of above-mentioned frequency spectrum share, due to the idle frequency spectrum for selling network is distributed to assign network when, be
Specified spectral bandwidth is distributed into network of assigning, therefore cannot achieve the dynamic allocation of frequency spectrum, limits the spirit of frequency spectrum share
Activity.
Summary of the invention
The embodiment of the present invention provides a kind of frequency spectrum sharing method and device, for improving the flexibility of frequency spectrum share.
In a first aspect, a kind of frequency spectrum sharing method is provided, this method comprises:
Sequence is assigned according to frequency spectrum and frequency spectrum sells sequence, is determined and is carried out the frequency spectrum transaction that frequency spectrum is sold between multiple networks
Sequentially, wherein frequency spectrum sequence of assigning is assigned the priority of frequency spectrum for characterizing multiple networks, and it is more for characterizing that frequency spectrum sells sequence
The priority of a network received spectrum, frequency spectrum trading order sell network and network trading frequency of assigning for characterizing in multiple networks
The wide computation sequence of bands of a spectrum；
According to frequency spectrum trading order, bandwidth can be sold according to the spectrum requirement for network of assigning and the maximum for selling network, counted
Calculate the transaction spectral bandwidth allowed between network and network of assigning；
It is that multiple networks distribute frequency spectrum according to the transaction spectral bandwidth for selling network between network of assigning.
Optionally, the above method further include: according to multiple network units times, unit bandwidth frequency spectrum income to multiple nets
Network sequence obtains frequency spectrum and assigns sequence；Priority parameters are sold according to the frequency spectrum of multiple networks to sort to multiple networks, obtain frequency
It composes and allows sequence.
Optionally, the above method further include: according to frequency spectrum income formula:Obtain the
Multiple network units times in one preset time, unit bandwidth frequency spectrum income；
Wherein, P indicates the frequency spectrum income of network units time, unit bandwidth；N indicates the quantity of type of service in network；
ajIndicate the weight of jth kind business in the first preset time；LjIndicate total industry of jth kind business in network in the first preset time
Business amount；VjIndicate the unit income of jth kind business in the first preset time；The spectral bandwidth of W expression network；T indicates that first is pre-
If the time span of time；
And/or
According to network units times multiple in the first preset time, the frequency spectrum income of unit bandwidth, in the first preset time
The bandwidth availability ratio and formula S of multiple networksi=Pi*Ui/Umin, the frequency spectrum for obtaining multiple networks sells priority parameters；
Wherein, SiIndicate the frequency spectrum land granting price of network i, PiIndicate the frequency spectrum income of network i；UiIndicate the bandwidth of network i
Utilization rate；UminMinimum value in the availability of frequency spectrum of multiple networks, network i indicate multiple in any one network.
Optionally, above-mentioned according to frequency spectrum trading order, it can with the maximum for selling network according to the spectrum requirement for network of assigning
Bandwidth is sold, calculating the transaction spectral bandwidth that network is sold in multiple networks between network of assigning may include:
Whether the assign spectrum requirement of network of judgement is less than or equal to zero；
If the spectrum requirement for network of assigning is less than or equal to zero, the transaction spectral band for selling network between network of assigning
It is wide to take zero；
If the spectrum requirement for network of assigning is greater than zero, judges to allow network and whether network of assigning is consolidated network；
If selling network and network of assigning being consolidated network, the transaction spectral bandwidth for selling network between network of assigning
Take zero；
If selling network and network of assigning is not consolidated network, whether big judge to allow the maximum of network that can sell bandwidth
In or equal to assigning the spectrum requirement of network；
If so, the spectrum requirement for network of assigning taking as the transaction spectral bandwidth for selling network between network of assigning
Value；
If it is not, the maximum that sell network then can be sold bandwidth as the transaction frequency spectrum for selling network between network of assigning
The value of bandwidth.
Optionally, the maximum for selling network, which can sell bandwidth and be equal to sell, the spectral bandwidth of network and sells the minimum of network
Retain the difference of bandwidth.
Second aspect provides a kind of frequency spectrum share device, which includes:
Determining module determines for assigning sequence according to frequency spectrum and frequency spectrum sells sequence and carries out frequency spectrum between multiple networks
The frequency spectrum trading order sold；Wherein, frequency spectrum sequence of assigning is assigned the priority of frequency spectrum for characterizing multiple networks, and frequency spectrum is sold
Sequence is used to characterize the priority of multiple network received spectrums, frequency spectrum trading order for characterize sold in multiple networks network with
The computation sequence for network trading spectral bandwidth of assigning；
Processing module is used for according to frequency spectrum trading order, according to the spectrum requirement for network of assigning and the maximum for selling network
Bandwidth can be sold, the transaction spectral bandwidth allowed between network and network of assigning is calculated；
Distribution module, for being multiple networks distribution frequency according to the transaction spectral bandwidth for selling network between network of assigning
Spectrum.
Optionally, above-mentioned apparatus further includes obtaining module；
Module is obtained to obtain for sorting to multiple networks according to the frequency spectrum income of multiple network units times, unit bandwidth
It takes frequency spectrum to assign sequence, and priority parameters is sold according to the frequency spectrum of multiple networks and are sorted to multiple networks, obtain frequency spectrum and go out
Allow sequence.
Optionally, above-mentioned acquisition module is also used to according to frequency spectrum income formula:It obtains
The frequency spectrum income of multiple network units times, unit bandwidth are taken in the first preset time；
Wherein, P indicates the frequency spectrum income of network units time, unit bandwidth；N indicates the quantity of type of service in network；
ajIndicate the weight of jth kind business in the first preset time；LjIndicate total industry of jth kind business in network in the first preset time
Business amount；VjIndicate the unit income of jth kind business in the first preset time；The spectral bandwidth of W expression network；T indicates that first is pre-
If the time span of time；
And/or
According to network units times multiple in the first preset time, the frequency spectrum income of unit bandwidth, in the first preset time
The bandwidth availability ratio and formula S of multiple networksi=Pi*Ui/Umin, the frequency spectrum for obtaining multiple networks sells priority parameters；
Wherein, SiIndicate the frequency spectrum land granting price of network i, PiIndicate the frequency spectrum income of network i；UiIndicate the bandwidth of network i
Utilization rate；UminMinimum value in the availability of frequency spectrum of multiple networks, network i indicate multiple in any one network.
Optionally, above-mentioned processing module is specifically used for:
Whether the assign spectrum requirement of network of judgement is less than or equal to zero；
If the spectrum requirement for network of assigning is less than or equal to zero, the transaction spectral band for selling network between network of assigning
It is wide to take zero；
If the spectrum requirement for network of assigning is greater than zero, judges to allow network and whether network of assigning is consolidated network；
If selling network and network of assigning being consolidated network, the transaction spectral bandwidth for selling network between network of assigning
Take zero；
If selling network and network of assigning is not consolidated network, whether big judge to allow the maximum of network that can sell bandwidth
In or equal to assigning the spectrum requirement of network；
If so, the spectrum requirement for network of assigning taking as the transaction spectral bandwidth for selling network between network of assigning
Value；
If it is not, the maximum that sell network then can be sold bandwidth as the transaction frequency spectrum for selling network between network of assigning
The value of bandwidth.
Optionally, the above-mentioned maximum for selling network can sell bandwidth and be equal to the spectral bandwidth for selling network and sell network
Minimum retains the difference of bandwidth.
Frequency spectrum sharing method provided in an embodiment of the present invention, the sequence that can be assigned according to frequency spectrum and frequency spectrum sell sequence, really
Carry out the frequency spectrum trading order that frequency spectrum is sold between fixed multiple networks, and can be according to the frequency spectrum trading order, according to assigning
The spectrum requirement of network and the maximum for selling network can sell bandwidth, calculate the transaction frequency spectrum allowed between network and network of assigning
Bandwidth, and can be that multiple networks distribute frequency spectrum according to the transaction spectral bandwidth for selling network between network of assigning.Wherein,
Frequency spectrum sequence of assigning is assigned the priority of frequency spectrum for characterizing multiple networks, and frequency spectrum is sold sequence and received for characterizing multiple networks
The priority of frequency spectrum, frequency spectrum trading order sell network and assign based on network trading spectral bandwidth by characterizing in multiple networks
Calculation sequence.In this way, when due to using frequency spectrum sharing method provided in an embodiment of the present invention to distribute frequency spectrum for multiple networks, it can be by
According to the frequency spectrum trading order, bandwidth can be sold according to the spectrum requirement for network of assigning and the maximum for selling network, calculate and allow net
Transaction spectral bandwidth between network and network of assigning, therefore the dynamic allocation of frequency spectrum may be implemented, it is total so as to improve frequency spectrum
The flexibility enjoyed.
Detailed description of the invention
Fig. 1 is a kind of configuration diagram of wireless communication system provided in an embodiment of the present invention；
Fig. 2 is a kind of method schematic diagram of frequency spectrum sharing method provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram one of frequency spectrum share device provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram two of frequency spectrum share device provided in an embodiment of the present invention.
Specific embodiment
Frequency spectrum sharing method provided in an embodiment of the present invention and device are described in detail with reference to the accompanying drawing.
In embodiments of the present invention, " illustrative " or " such as " etc. words for indicate make example, illustration or explanation.This
Be described as in inventive embodiments " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as comparing
Other embodiments or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words purport
Related notion is being presented in specific ways.
In the description of the embodiment of the present invention, unless otherwise indicated, the meaning of " plurality " is refer to two or more.Example
Such as, multiple networks refer to two or more networks.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.Symbol herein
Number "/" indicates that affiliated partner is that relationship such as A/B perhaps indicates A or B.
A network in the embodiment of the present invention in multiple networks refers to a kind of network of network type (network formats)
One cell.Wherein, network type may include global system for mobile communications (full name in English: global system for
Mobile communication, English abbreviation: GSM) network, Universal Mobile Communication System (full name in English: universal
Mobile telecommunications system, English abbreviation: UMTS) network, long term evolution (full name in English: long
Term evolution, English abbreviation: LTE) network, WLAN
(full name in English: wireless local area networks；English abbreviation: WLAN) or other channel radios
Communication network.
The embodiment of the present invention provides a kind of frequency spectrum sharing method, and the executing subject of this method can be frequency spectrum share device.
The frequency spectrum share device can be used for managing multiple networks (i.e. the different multiple cells of network type).Illustratively, the frequency spectrum
Sharing means (or can be referred to as network management for the base station manager of the different multiple cells of management network type
Device).
As shown in Figure 1, the embodiment of the present invention provides a kind of wireless communication system, it include a base in the wireless communication system
Station control and multiple base stations (are to include 3 base stations, respectively base station 1, base station 2 with the wireless communication system in specific Fig. 1
For base station 3).Wherein, 3 base stations are used to establish the network of different network formats, and base station controller can be with base station 1, base
Stand 2 and base station 3 communicated, and can be to base station 1, three networks that base station 2 and base station 3 are established carry out radio spectrum resources
Management etc..Based on wireless communication system shown in FIG. 1, base station controller can be using method provided in an embodiment of the present invention to base
Stand 1, the frequency spectrum resource for three networks that base station 2 and base station 3 are established is managed, and realizes frequency spectrum share, in practical applications base
Station control can be with base station 1, base station 2 and base station 3 by being wirelessly connected, for the ease of indicating to indicate in figure with solid line.
As shown in Fig. 2, frequency spectrum sharing method provided in an embodiment of the present invention includes the following steps S101-S106.
S101, acquisition multiple network units times, the frequency spectrum income of unit bandwidth, frequency spectrum sell priority parameters, frequency spectrum
Demand and maximum can sell bandwidth.
In the embodiment of the present invention, base station controller executes above-mentioned S101, specifically can by each base station (i.e. for building
Stand the base station of above-mentioned multiple networks) request command is sent, to request the network of each base station foundation, (i.e. base station provides the small of service
Area) in unit time, the frequency spectrum income of unit bandwidth, frequency spectrum sells priority parameters, spectrum requirement and maximum can sell band
It is wide.Then response message that each base station returns/report information is received, the response message/report can carry in information and base
The stand network units time established, the frequency spectrum income of unit bandwidth, frequency spectrum sells priority parameters, spectrum requirement and maximum
The parameters such as bandwidth can be sold.
Optionally, the maximum of above-mentioned multiple networks can sell bandwidth specifically can according to the spectral bandwidths of multiple networks and most
Small reservation bandwidth determines.Specifically, the maximum of each network, which can sell bandwidth, can be equal to each network spectrum bandwidth and every
The minimum difference for retaining bandwidth of a network.
In the embodiment of the present invention, minimum reservation bandwidth can be arranged for each network, to guarantee the base in the network
Demand of this business to frequency spectrum resource.
It optionally, can be according to frequency spectrum income formula in the embodiment of the present invention:It obtains
The frequency spectrum income of multiple network units times, unit bandwidth are taken in the first preset time.
Wherein, P indicates the frequency spectrum income of network units time, unit bandwidth；N is the quantity of type of service in network；aj
For the weight of jth kind business in the first preset time；LjFor the total traffic of jth kind business in network in the first preset time；Vj
For the unit income of jth kind business in the first preset time；W is the spectral bandwidth of network；T is that the time of the first preset time is long
Degree.
It should be noted that above-mentioned first preset time can be past a period of time in the embodiment of the present invention, it can also
To be following a period of time.When above-mentioned first preset time is past a period of time, can be calculated by the formula
To in the historical time section unit time, unit bandwidth frequency spectrum income；When above-mentioned first preset time is for indicating future
Certain time when, can be evaluated whether to obtain the frequency spectrum income in the period in the future by the formula.In practical applications
First preset time can be chosen according to actual needs, the embodiment of the present invention is without limitation.
Above-mentioned business may include: that voice service (such as long-distance call and local connection etc.) and value-added service are (such as color
Letter and short message etc.), data service (such as online, online viewing video etc.).In practical applications, operator can be according to difference
Scene formulate a of every businessj、Vj.For example, the speech quality of GSM network is more preferable than LTE network, in order to ensure that client converses
There can be better experience, a of the voice service of GSM network can be setjGreater than a of the voice service of LTE networkj。
Optionally, the embodiment of the present invention can be according to network units times multiple in the first preset time, unit bandwidth
Frequency spectrum income, the bandwidth availability ratio and formula S of multiple networks in the first preset timei=Pi*Ui/Umin, obtain multiple networks
In the frequency spectrum of each network sell priority parameters.
Wherein, SiIndicate the frequency spectrum land granting price of network i, PiIndicate the frequency spectrum income of network i；UiIndicate the bandwidth of network i
Utilization rate；UminMinimum value in the availability of frequency spectrum of multiple networks, network i are any one network in multiple.
S102, sorted according to the frequency spectrum income of multiple network units times, unit bandwidth to multiple networks, obtain frequency spectrum by
Allow sequence.
Wherein, frequency spectrum sequence of assigning is assigned the priority of frequency spectrum for characterizing multiple networks
In the embodiment of the present invention, sorted according to the frequency spectrum income of multiple network units times, unit bandwidth to multiple networks
When, ascending order arrangement can be carried out to multiple networks according to above-mentioned frequency spectrum income, descending can also be carried out according to above-mentioned frequency spectrum income
Arrangement.It is illustrated for carrying out descending arrangement according to above-mentioned frequency spectrum income in the embodiment of the present invention, illustratively, it is assumed that root
According to three networks (such as be respectively network a, the network b and network c for) unit time, unit bandwidth frequency spectrum income to this three
When a network is ranked up, if network a unit time, frequency spectrum income > network b unit time of unit bandwidth, unit bandwidth
Frequency spectrum income > network c unit time, the frequency spectrum income of unit bandwidth, then frequency spectrum is assigned, sequence can be with are as follows: network a- network b-
Network c.Illustrate at this time network a assign frequency spectrum priority be higher than network b, and network b assign frequency spectrum priority be higher than network
The priority that c namely the higher network gas of frequency spectrum income take in higher its frequency spectrum of assigning of network is higher.
S103, it priority parameters is sold according to the frequency spectrum of multiple networks sorts to multiple networks, obtain frequency spectrum and sell sequence.
Wherein, frequency spectrum sells sequence for characterizing the priority of multiple network received spectrums.
It, can be with when selling priority parameters according to the frequency spectrum of multiple networks and sorting to multiple networks in the embodiment of the present invention
Priority parameters are sold according to above-mentioned frequency spectrum, ascending order arrangement is carried out to multiple networks, can also sell priority according to above-mentioned frequency spectrum
Parameter carries out descending arrangement.In the embodiment of the present invention by sold according to above-mentioned frequency spectrum priority parameters carry out ascending order arrangement for into
Row explanation, illustratively, it is assumed that sold according to the frequency spectrum of three networks (such as respectively for network a, network b and network c)
When priority parameters are ranked up three networks, if network b frequency spectrum is sold priority parameters > network c frequency spectrum and is sold preferentially
Grade parameter > network a frequency spectrum sells priority parameters, then frequency spectrum sell sequence can be with are as follows: network b- network c- network a.At this time
Illustrate that network b sells the priority of frequency spectrum higher than network c, and network c sells the priority of frequency spectrum higher than network a.
S104, sequence of being assigned according to frequency spectrum and frequency spectrum sell sequence, determine and carry out the frequency that frequency spectrum is sold between multiple networks
Compose trading order.
Wherein, frequency spectrum trading order sells network and assigns based on network trading spectral bandwidth by characterizing in multiple networks
Calculation sequence.
Illustratively, it is assigned sequence with frequency spectrum are as follows: network a- network b- network c, frequency spectrum sell sequence are as follows: network b- network
For c- network a, sequence is assigned according to frequency spectrum and frequency spectrum sells sequence can determine and carry out between network a, network b and network c
The frequency spectrum trading order that frequency spectrum is sold are as follows: network b sells frequency spectrum-network b to network a and sells frequency spectrum-network b to net to network b
Network c, which sells frequency spectrum-network c and to network a sells frequency spectrum-network c and sell frequency spectrum-network c to network b, sells frequency spectrum-net to network c
Network a, which to network a sells frequency spectrum-network a and sells frequency spectrum-network a to network b, sells frequency spectrum to network c.Illustrate multiple networks at this time
In to sell network and the computation sequence for network trading spectral bandwidth of assigning be successively to calculate the spectral band sold to network a of network b
The frequency that spectral bandwidth that spectral bandwidth that wide, network b is sold to network b, network b are sold to network c, network c are sold to network a
Spectral bandwidth that bands of a spectrum are wide, network c is sold to network b spectral bandwidth, network c are sold to network c, network a are sold to network a
Spectral bandwidth, the spectral bandwidth sold to network c of the spectral bandwidth sold to network b of network a, network a.
It should be noted that can not go to calculate between the two when selling network and network of assigning is consolidated network
Transaction spectral bandwidth, it is also assumed that transaction spectral bandwidth between the two is zero.
S105, according to frequency spectrum trading order, band can be sold according to the spectrum requirement for network of assigning and the maximum for selling network
Width calculates the transaction spectral bandwidth allowed between network and network of assigning.
The concrete methods of realizing of above-mentioned S105 includes following a-g.
A, whether the assign spectrum requirement of network of judgement is less than or equal to zero.
If the spectrum requirement for network of b, assigning is less than or equal to zero, the transaction frequency spectrum for selling network between network of assigning
Bandwidth takes zero.
If the spectrum requirement for network of c, assigning is greater than zero, judges to allow network and whether network of assigning is consolidated network.
If d, selling network and network of assigning being consolidated network, the transaction spectral band for selling network between network of assigning
It is wide to take zero.
If e, selling network and network of assigning not being consolidated network, the maximum for selling network can sell whether bandwidth is greater than
Or the spectrum requirement equal to network of assigning.
F, if so, using the spectrum requirement for network of assigning as the transaction spectral bandwidth for selling network between network of assigning
Value.
The spectrum requirement of network of assigning at this time is met, therefore the spectrum requirement for the network that this can be assigned is updated to
Zero.Sell at this time network former spectrum requirement can be updated to its former spectrum requirement and the spectrum requirement for network of assigning and.
G, if it is not, the maximum that sell network then can be sold bandwidth as the transaction frequency for selling network between network of assigning
The wide value of bands of a spectrum.
The spectrum requirement a part of network of assigning at this time is satisfied, therefore the former frequency spectrum for the network that this can be assigned needs
Ask the former spectrum requirement (not receiving) for the network that is updated to assign that can sell the difference of bandwidth with the maximum for selling network.Further
, the former spectrum requirement for selling network at this time, which can be updated to its former spectrum requirement, can sell bandwidth with the maximum for selling network
With.
Optionally, a kind of side for calculating the transaction spectral bandwidth allowed between network and network of assigning of the embodiment of the present invention
Method, this method are as follows:
Establish initial spectrum transaction bandwidth matrixWherein, WijSequence is sold for frequency spectrum
In i-th of network assign the spectral bandwidth that j-th of network in sequence sell to frequency spectrum；M is the quantity of network；M >=2, i≤M and j
≤M；
It establishes above-mentioned initial spectrum transaction bandwidth matrix and is equivalent to and sequence is assigned according to frequency spectrum and frequency spectrum sells sequence, determine
The frequency spectrum trading order that frequency spectrum is sold is carried out between multiple networks.
Then after establishing above-mentioned initial spectrum transaction bandwidth matrix, can the method according to shown in above-mentioned a-g line by line
W is successively calculated from j=1 to j=MijValue, and by WijValue substitute into initial spectrum bandwidth matrices, obtain final frequency spectrum and hand over
Easy bandwidth matrices.
It S106, is that multiple networks distribute frequency spectrum according to the transaction spectral bandwidth for selling network between network of assigning.
Illustratively, base station manager can be according to selling network and assign net in above-mentioned final frequency spectrum transaction bandwidth matrix
Transaction spectral bandwidth between network distributes frequency spectrum for multiple networks.Specifically, can be base station manager by each base station
(i.e. for establishing the base station of above-mentioned multiple networks) sends instruction message, allows network to sell corresponding spectral bandwidth to indicate.
Frequency spectrum sharing method provided in an embodiment of the present invention, the sequence that can be assigned according to frequency spectrum and frequency spectrum sell sequence, really
Carry out the frequency spectrum trading order that frequency spectrum is sold between fixed multiple networks, and can be according to the frequency spectrum trading order, according to assigning
The spectrum requirement of network and the maximum for selling network can sell bandwidth, calculate the transaction frequency spectrum allowed between network and network of assigning
Bandwidth, and can be that multiple networks distribute frequency spectrum according to the transaction spectral bandwidth for selling network between network of assigning.Wherein,
Frequency spectrum sequence of assigning is assigned the priority of frequency spectrum for characterizing multiple networks, and frequency spectrum is sold sequence and received for characterizing multiple networks
The priority of frequency spectrum, frequency spectrum trading order sell network and assign based on network trading spectral bandwidth by characterizing in multiple networks
Calculation sequence.In this way, when due to using frequency spectrum sharing method provided in an embodiment of the present invention to distribute frequency spectrum for multiple networks, it can be by
According to the frequency spectrum trading order, bandwidth can be sold according to the spectrum requirement for network of assigning and the maximum for selling network, calculate and allow net
Transaction spectral bandwidth between network and network of assigning, therefore the dynamic allocation of frequency spectrum may be implemented, it is total so as to improve frequency spectrum
The flexibility enjoyed.
Further, due in the embodiment of the present invention frequency spectrum sequence of assigning assign the preferential of frequency spectrum for characterizing multiple networks
Grade, frequency spectrum sell sequence for characterizing the priority of multiple network received spectrums, and due to the sequence that can be assigned according to frequency spectrum
Sequence is sold with frequency spectrum, determines and carries out the frequency spectrum trading order that frequency spectrum is sold between multiple networks, and can be according to the frequency spectrum
Trading order according to the spectrum requirement for network of assigning and sells the maximum of network and can sell bandwidth, calculate allow network with assign
Transaction spectral bandwidth between network.Therefore the embodiment of the present invention can be preferably assign in multiple networks frequency spectrum priority compared with
The transaction spectral bandwidth that high network query function sells network between network of assigning, thereby may be ensured that the priority for frequency spectrum of assigning
The spectrum requirement of higher network.
The embodiment of the present invention also provides a kind of frequency spectrum share device, and illustratively, which can be base station
Controller.
As shown in figure 3, frequency spectrum share device provided in an embodiment of the present invention comprises determining that module 11,12 and of processing module
Distribution module 13.
Wherein it is determined that module 11, for assigning sequence according to frequency spectrum and frequency spectrum sells sequence, determine between multiple networks into
Line frequency composes the frequency spectrum trading order allowed；Wherein, frequency spectrum sequence of assigning is assigned the priority of frequency spectrum for characterizing multiple networks, frequency
It composes and sequence is allowed to sell in multiple networks for characterizing the priority of multiple network received spectrums, frequency spectrum trading order for characterizing
The computation sequence of network and network trading spectral bandwidth of assigning.
Processing module 12, for according to the spectrum requirement for network of assigning and selling network most according to frequency spectrum trading order
Bandwidth can be sold greatly, calculate the transaction spectral bandwidth allowed between network and network of assigning.
Distribution module 13, for being the distribution of multiple networks according to the transaction spectral bandwidth for selling network between network of assigning
Frequency spectrum.
Optionally, in conjunction with Fig. 3, as shown in figure 4, above-mentioned apparatus can also include obtaining module 14；
Module 14 is obtained, for being sorted according to the frequency spectrum income of multiple network units times, unit bandwidth to multiple networks,
It obtains frequency spectrum to assign sequence, and priority parameters is sold according to the frequency spectrum of multiple networks and sorts to multiple networks, acquisition frequency spectrum
Sell sequence.
Optionally, above-mentioned acquisition module 14 is also used to according to frequency spectrum income formula:
The frequency spectrum income of multiple network units times, unit bandwidth are obtained in the first preset time.
Wherein, P indicates the frequency spectrum income of network units time, unit bandwidth；N is the quantity of type of service in network；aj
For the weight of jth kind business in the first preset time；LjFor the total traffic of jth kind business in network in the first preset time；Vj
For the unit income of jth kind business in the first preset time；W is the spectral bandwidth of network；T is that the time of the first preset time is long
Degree；
And/or
According to network units times multiple in the first preset time, the frequency spectrum income of unit bandwidth, in the first preset time
The bandwidth availability ratio and formula S of multiple networksi=Pi*Ui/Umin, the frequency spectrum for obtaining multiple networks sells priority parameters；
Wherein, SiIndicate the frequency spectrum land granting price of network i, PiIndicate the frequency spectrum income of network i；UiIndicate the bandwidth of network i
Utilization rate；UminMinimum value in the availability of frequency spectrum of multiple networks, network i are any one network in multiple.
Optionally, above-mentioned processing module 12 specifically can be used for:
Whether the assign spectrum requirement of network of judgement is less than or equal to zero；
If the spectrum requirement for network of assigning is less than or equal to zero, the transaction spectral band for selling network between network of assigning
It is wide to take zero；
If the spectrum requirement for network of assigning is greater than zero, judges to allow network and whether network of assigning is consolidated network；
If selling network and network of assigning being consolidated network, the transaction spectral bandwidth for selling network between network of assigning
Take zero；
If selling network and network of assigning is not consolidated network, whether big judge to allow the maximum of network that can sell bandwidth
In or equal to assigning the spectrum requirement of network；
If so, the spectrum requirement for network of assigning taking as the transaction spectral bandwidth for selling network between network of assigning
Value；
If it is not, the maximum that sell network then can be sold bandwidth as the transaction frequency spectrum for selling network between network of assigning
The value of bandwidth.
Optionally, the above-mentioned spectral bandwidth for selling network is equal to the minimum reservation bandwidth for selling network and sells network most
The difference of bandwidth can be sold greatly.
Technical solution provided in an embodiment of the present invention substantially the part that contributes to existing technology in other words, or should
The all or part of technical solution can be realized by software program, hardware, firmware or any combination thereof.When use software
When program is realized, which includes one or more computer instructions.Load and execute on computers the meter
When calculation machine instructs, entirely or partly generate according to the process or function in the embodiment of the present invention.The computer can be general
Computer, special purpose computer, computer network or other programmable devices.The computer instruction can store can in computer
It reads in storage medium, or is transmitted from a computer readable storage medium to another computer readable storage medium, for example,
The computer instruction can from a web-site, computer, server or data center by it is wired (such as coaxial cable,
Optical fiber, Digital Subscriber Line (digital subscriber line, DSL)) mode or wireless (such as infrared, wireless, microwave etc.)
Mode is transmitted to another web-site, computer, server or data center.The computer readable storage medium can be meter
Any usable medium that calculation machine can access either includes integrated server, the data center etc. of one or more usable mediums
Data storage device.The usable medium can be magnetic medium (for example, floppy disk, disk, tape), optical medium (for example, number view
Frequency CD (digital video disc, DVD)) or semiconductor medium (such as solid state hard disk (solid state
Drives, SSD)) etc..
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description
It is convenienct and succinct, only with the division of above-mentioned each functional module for example, in practical application, can according to need and by above-mentioned function
It can distribute and be completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, more than completing
The all or part of function of description.The specific work process of the system, apparatus, and unit of foregoing description can refer to aforementioned side
Corresponding process in method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module or
The division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units
Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute
Display or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit
Indirect coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all cover
Within protection scope of the present invention.
Claims (10)
1. a kind of frequency spectrum sharing method characterized by comprising
Sequence is assigned according to frequency spectrum and frequency spectrum sells sequence, determines that the frequency spectrum transaction that frequency spectrum is sold is carried out between multiple networks is suitable
Sequence, wherein frequency spectrum sequence of assigning is assigned the priority of frequency spectrum for characterizing the multiple network, and the frequency spectrum sells sequence
The priority of frequency spectrum is sold for characterizing the multiple network, the frequency spectrum trading order is for characterizing in the multiple network
Allow network and the computation sequence of network trading spectral bandwidth of assigning；
According to the frequency spectrum trading order, can be sold according to the spectrum requirement of the network of assigning and the maximum for selling network
Bandwidth sells the transaction spectral bandwidth between network and the network of assigning described in calculating；
It is that the multiple network distributes frequency spectrum according to the transaction spectral bandwidth sold between network and the network of assigning.
2. the method according to claim 1, wherein the method also includes:
Sorted according to the frequency spectrum income of the multiple network units time, unit bandwidth to the multiple network, obtain frequency spectrum by
Allow sequence；
Priority parameters are sold according to the frequency spectrum of the multiple network to sort to the multiple network, are obtained frequency spectrum and are sold sequence.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
According to frequency spectrum income formula:When obtaining multiple network units in the first preset time
Between, the frequency spectrum income of unit bandwidth；
Wherein, P indicates the frequency spectrum income of network units time, unit bandwidth；N is the quantity of type of service in network；ajIt is first
The weight of jth kind business in preset time；LjFor the total traffic of jth kind business in network in the first preset time；VjIt is first
The unit income of jth kind business in preset time；W is the spectral bandwidth of network；T is the time span of the first preset time；
And/or
It is multiple in the first preset time according to network units times multiple in the first preset time, the frequency spectrum income of unit bandwidth
The bandwidth availability ratio and formula S of networki=Pi*Ui/Umin, the frequency spectrum for obtaining the multiple network sells priority parameters；
Wherein, SiIndicate the frequency spectrum land granting price of network i, PiIndicate the frequency spectrum income of network i；UiIndicate the bandwidth usage of network i
Rate；UminMinimum value in the availability of frequency spectrum of multiple networks,
Network i is any one network in the multiple.
4. the method according to claim 1, wherein according to the frequency spectrum trading order, according to the net of assigning
The spectrum requirement of network and the maximum for selling network can sell bandwidth, calculate and sell network in the multiple network and net of assigning
Transaction spectral bandwidth between network includes:
Whether the spectrum requirement of network of assigning described in judgement is less than or equal to zero；
If the spectrum requirement of the network of assigning is less than or equal to zero, the friendship sold between network and the network of assigning
Easy spectral bandwidth takes zero；
Whether if the spectrum requirement of the network of assigning is greater than zero, selling network with the network of assigning described in judgement is same
Network；
If the network and the network of assigning sold is consolidated network, described to sell between network and the network of assigning
Transaction spectral bandwidth takes zero；
If selling network and the network of assigning is not consolidated network, the maximum that network is sold described in judgement, which can sell bandwidth, is
The no spectrum requirement for being more than or equal to the network of assigning；
If so, the spectrum requirement of the network of assigning is sold the frequency of the transaction between network and the network of assigning as described in
The wide value of bands of a spectrum；
It is sold as described between network and the network of assigning if it is not, the maximum for selling network then can be sold bandwidth
The value for spectral bandwidth of trading.
5. method according to claim 1-4, which is characterized in that the maximum for selling network can sell bandwidth
Equal to the spectral bandwidth for selling network and the minimum difference for retaining bandwidth for selling network.
6. a kind of frequency spectrum share device characterized by comprising
Determining module determines that frequency spectrum is carried out between multiple networks to be sold for assigning sequence according to frequency spectrum and frequency spectrum sells sequence
Frequency spectrum trading order；Wherein, frequency spectrum sequence of assigning is assigned the priority of frequency spectrum for characterizing the multiple network, described
Frequency spectrum sells sequence for characterizing the priority that the multiple network sells frequency spectrum, and the frequency spectrum trading order is described for characterizing
The computation sequence of network with network trading spectral bandwidth of assigning is sold in multiple networks；
Processing module according to the spectrum requirement of the network of assigning and described sells net for according to the frequency spectrum trading order
The maximum of network can sell bandwidth, and the transaction spectral bandwidth between network and the network of assigning is sold described in calculating；
Distribution module, the transaction spectral bandwidth for being sold between network and the network of assigning according to are the multiple net
Network distributes frequency spectrum.
7. device according to claim 6, which is characterized in that described device further includes obtaining module；
The acquisition module, for according to the frequency spectrum income of the multiple network units time, unit bandwidth to the multiple net
Network sequence obtains frequency spectrum and assigns sequence, and sells priority parameters to the multiple net according to the frequency spectrum of the multiple network
Network sequence obtains frequency spectrum and sells sequence.
8. device according to claim 7, which is characterized in that
The acquisition module is also used to according to frequency spectrum income formula:Obtain first it is default when
Interior multiple network units times, unit bandwidth frequency spectrum income；
Wherein, P indicates the frequency spectrum income of network units time, unit bandwidth；N indicates the quantity of type of service in network；ajIt indicates
The weight of jth kind business in first preset time；LjIndicate the total traffic of jth kind business in network in the first preset time；Vj
Indicate the unit income of jth kind business in the first preset time；The spectral bandwidth of W expression network；T indicates the first preset time
Time span；
And/or
It is multiple in the first preset time according to network units times multiple in the first preset time, the frequency spectrum income of unit bandwidth
The bandwidth availability ratio and formula S of networki=Pi*Ui/Umin, the frequency spectrum for obtaining the multiple network sells priority parameters；
Wherein, SiIndicate the frequency spectrum land granting price of network i, PiIndicate the frequency spectrum income of network i；UiIndicate the bandwidth usage of network i
Rate；UminMinimum value in the availability of frequency spectrum of multiple networks, network i indicate the multiple in any one network.
9. device according to claim 6, which is characterized in that
The processing module, is specifically used for:
Whether the spectrum requirement of network of assigning described in judgement is less than or equal to zero；
If the spectrum requirement of the network of assigning is less than or equal to zero, the friendship sold between network and the network of assigning
Easy spectral bandwidth takes zero；
Whether if the spectrum requirement of the network of assigning is greater than zero, selling network with the network of assigning described in judgement is same
Network；
If the network and the network of assigning sold is consolidated network, described to sell between network and the network of assigning
Transaction spectral bandwidth takes zero；
If selling network and the network of assigning is not consolidated network, the maximum that network is sold described in judgement, which can sell bandwidth, is
The no spectrum requirement for being more than or equal to the network of assigning；
If so, the spectrum requirement of the network of assigning is sold the frequency of the transaction between network and the network of assigning as described in
The wide value of bands of a spectrum；
It is sold as described between network and the network of assigning if it is not, the maximum for selling network then can be sold bandwidth
The value for spectral bandwidth of trading.
10. according to the described in any item devices of claim 6-9, which is characterized in that
The maximum for selling network can sell bandwidth and sell network most with described equal to the spectral bandwidth for selling network
The small difference for retaining bandwidth.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101222745A (en) * | 2007-01-10 | 2008-07-16 | 华为技术有限公司 | Frequency spectrum sharing method |
| CN101836384A (en) * | 2007-09-25 | 2010-09-15 | 诺基亚公司 | Flexible spectrum sharing |
| DE112009000561T5 (en) * | 2008-04-15 | 2011-03-24 | Cambridge Silicon Radio Ltd., Cambridge | Coexistence for radios located at the same location operating in the same frequency band |
| CN102223640A (en) * | 2011-06-03 | 2011-10-19 | 中兴通讯股份有限公司 | System and method for sharing dynamic frequency spectrum |
| CN102378193A (en) * | 2010-08-18 | 2012-03-14 | 中兴通讯股份有限公司 | Spectrum assignment method and device |
| CN102857306A (en) * | 2011-06-29 | 2013-01-02 | 中兴通讯股份有限公司 | Channel availability detection method and system, and spectrum management method |
| CN104661224A (en) * | 2013-11-19 | 2015-05-27 | 杭州华三通信技术有限公司 | Channel allocation method and channel allocation device used in wireless communication system |
| CN105792224A (en) * | 2014-12-26 | 2016-07-20 | 上海无线通信研究中心 | Inter-operator interference coordination method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7113743B2 (en) * | 2003-09-11 | 2006-09-26 | Atc Technologies, Llc | Systems and methods for inter-system sharing of satellite communications frequencies within a common footprint |
-
2017
- 2017-05-11 CN CN201710331394.2A patent/CN106954220B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101222745A (en) * | 2007-01-10 | 2008-07-16 | 华为技术有限公司 | Frequency spectrum sharing method |
| CN101836384A (en) * | 2007-09-25 | 2010-09-15 | 诺基亚公司 | Flexible spectrum sharing |
| DE112009000561T5 (en) * | 2008-04-15 | 2011-03-24 | Cambridge Silicon Radio Ltd., Cambridge | Coexistence for radios located at the same location operating in the same frequency band |
| CN102378193A (en) * | 2010-08-18 | 2012-03-14 | 中兴通讯股份有限公司 | Spectrum assignment method and device |
| CN102223640A (en) * | 2011-06-03 | 2011-10-19 | 中兴通讯股份有限公司 | System and method for sharing dynamic frequency spectrum |
| CN102857306A (en) * | 2011-06-29 | 2013-01-02 | 中兴通讯股份有限公司 | Channel availability detection method and system, and spectrum management method |
| CN104661224A (en) * | 2013-11-19 | 2015-05-27 | 杭州华三通信技术有限公司 | Channel allocation method and channel allocation device used in wireless communication system |
| CN105792224A (en) * | 2014-12-26 | 2016-07-20 | 上海无线通信研究中心 | Inter-operator interference coordination method |
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