CN104980932A - Spectrum allocation method and device of multi-mode base station - Google Patents
Spectrum allocation method and device of multi-mode base station Download PDFInfo
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Abstract
The embodiment of the invention discloses a spectrum allocation method and device of a multi-mode base station and belongs to the communication field. With the spectrum allocation method and device adopted, the utilization rate of the spectrum resources of the multi-mode base station can be improved. According to the specific technical schemes of the invention, the method includes the following steps that: available continuous spectrum resources in a target frequency band are obtained; spectrum resources required by different network systems respectively and spectrum resource overlap information are determined; and actually available spectrum resources are allocated to the different network systems according to the spectrum resources required by the different network systems respectively and the spectrum resource overlap information. The spectrum allocation method and device of the invention are applied to the spectrum allocation process of the multi-mode base station.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of frequency spectrum distributing method and device of Multi-Mode Base Station.
Background technology
Along with the fast development of mobile communication technology and e-learning quality, different operators can multiple networks separately of Disposition & Operation simultaneously, will be the corresponding base station of the networking of runing separately simultaneously.In order to cover all users, operator needs in same place the network of the multiple types being its operation to build base station respectively, and greatly can improve hardware cost like this.
In order to reduce hardware cost, in prior art, evolution has gone out Multi-Mode Base Station technology gradually.When Multi-Mode Base Station technology is hardware device without the need to changing, can realize by software merit rating radio frequency unit the new technology that multiple technologies system shares same base station platform.Although Multi-Mode Base Station achieves the integrated of multiple types network, the frequency spectrum resource used due to each standard network is more fixing, and therefore, current Multi-Mode Base Station only supports that standard bandwidth distributes.
Along with the continuous evolution of the communication technology, use the user of lowest version communication standard (such as 2G) fewer and feweri, and use the user of highest version communication standard (such as 3G, 4G etc.) to get more and more, therefore, the utilance of the Internet resources of lowest version communication standard can reduce gradually.Frequency spectrum resource day by day nervous instantly, how under the prerequisite of user's proper communication ensureing lowest version communication standard, a part of resource adjusted and use to the user of highest version communication standard, this is a problem demanding prompt solution.
Summary of the invention
The embodiment of the present invention provides a kind of frequency spectrum distributing method and device of Multi-Mode Base Station, and the frequency spectrum distributing method of described Multi-Mode Base Station and device can improve the utilance of Multi-Mode Base Station frequency spectrum resource.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, the invention provides a kind of frequency spectrum distributing method of Multi-Mode Base Station, and described method comprises:
Obtain the available continuous frequency spectrum resource in target frequency bands;
Determine the carrier bandwidths of each network formats and the number of carriers corresponding to described carrier bandwidths in the different network formats needed for Multi-Mode Base Station needing to use in described target frequency bands;
According to the number of carriers corresponding to described carrier bandwidths and described carrier bandwidths, determine the frequency spectrum resource that described different network formats is required separately and frequency spectrum resource overlay information;
The frequency spectrum resource required separately according to described different network formats and frequency spectrum resource overlay information, for described different network formats distributes actual available frequency spectrum resource.
Second aspect, the invention provides a kind of Spectrum allocation apparatus of Multi-Mode Base Station, and described device comprises:
Acquiring unit, for obtaining the available continuous frequency spectrum resource in target frequency bands;
First determining unit, for determining to need the number of carriers corresponding to the carrier bandwidths of each network formats in the different network formats needed for the Multi-Mode Base Station that uses in described target frequency bands and described carrier bandwidths;
Second determining unit, for the number of carriers corresponding to described carrier bandwidths and described carrier bandwidths, determines the frequency spectrum resource that described different network formats is required separately and frequency spectrum resource overlay information;
Allocation units, for according to the required separately frequency spectrum resource of described different network formats and frequency spectrum resource overlay information, are that described different network formats distributes actual available frequency spectrum resource.
The embodiment of the present invention provides a kind of frequency spectrum distributing method and device of Multi-Mode Base Station, comprising: obtain the available continuous frequency spectrum resource in target frequency bands; Determine the frequency spectrum resource that different network formats is required separately and frequency spectrum resource overlay information; The frequency spectrum resource required separately according to different network formats and frequency spectrum resource overlay information, for different network formats distributes actual available frequency spectrum resource.Prior art is when distributing the frequency spectrum of Multi-Mode Base Station; only support the spectrum allocation may of standard; the frequency spectrum distributing to different network formats in this frequency spectrum distributing method is fixing; rational frequency spectrum distributing method can not be provided according to market or e-learning quality strategy and offered load, the waste of spectral bandwidth resource may be caused.The distribution method of frequency spectrum is proposed according to the strategy of spectral bandwidth total resources, market and e-learning quality in the embodiment of the present invention; the distribution method of this frequency spectrum can configure the network of different systems in target frequency bands; add the flexibility that Multi-Mode Base Station intermediate frequency spectrum is distributed, improve the availability of frequency spectrum.And provide a kind of method that loading condition Network Based disturbs between reducing frequently when different network formats spectrum overlapping in the embodiment of the present invention.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of the frequency spectrum distributing method of a kind of Multi-Mode Base Station that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of frequency spectrum resource needed for the determination heterogeneous networks that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the structural representation of frequency spectrum distributing method when spectrum overlapping information that the embodiment of the present invention provides is not less than zero;
The structural representation that the standard carrier bandwidth that Fig. 4 provides for the embodiment of the present invention is formed;
Fig. 5 is the structural representation of frequency spectrum distributing method when spectrum overlapping information that the embodiment of the present invention provides is less than zero;
The structural representation increasing dynamic isolation bandwidth when the absolute value of spectrum overlapping information is not more than the minimum value of the protection bandwidth of two non-overlapping carrier that Fig. 6 provides for the embodiment of the present invention;
Fig. 7 for the embodiment of the present invention provide spectrum overlapping information exhausted value to be greater than two non-overlapping carrier protection bandwidth minimum value, be not more than the maximum of protection bandwidth of two non-overlapping carrier time increase the structural representation of dynamic isolation bandwidth;
The general flow chart that Fig. 8 provides for the embodiment of the present invention;
The structural representation of the Spectrum allocation apparatus of a kind of Multi-Mode Base Station that Fig. 9 provides for the embodiment of the present invention;
The structural representation of the Spectrum allocation apparatus of the another kind of Multi-Mode Base Station that Figure 10 provides for the embodiment of the present invention;
The structural representation of the Spectrum allocation apparatus of the another kind of Multi-Mode Base Station that Figure 11 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention can be used for Multi-Mode Base Station.Described Multi-Mode Base Station is a kind of hardware device without the need to changing, can realizing by software merit rating radio frequency unit the equipment that multiple network standard shares same base station, can reuse hardware resource to reduce capital output and operation cost.But current Multi-Mode Base Station only supports that standard bandwidth distributes, under the market environment that frequency spectrum resource is day by day valuable, based on current Multi-Mode Base Station frequency spectrum distributing method, can not maximum using frequency spectrum resource.Have residual spectrum resource as disposed a network formats, but can not meet the standard frequency spectrum resource allocation requirement of another network formats, then residual spectrum resource means waste.Therefore, the availability of frequency spectrum how improving Multi-Mode Base Station becomes key issue.
For solving the problem; example of the present invention proposes a kind of frequency spectrum distributing method of Multi-Mode Base Station; can improve the frequency spectrum resource utilization rate of Multi-Mode Base Station, the method flow process can be realized by the Spectrum allocation apparatus of the keeper of Multi-Mode Base Station or Multi-Mode Base Station provided by the invention.The embodiment of the present invention is applied in the Multi-Mode Base Station of multiple network standard combination, supports the combination of Multi net voting standard, such as, supports GSM and WCDMA, or, GSM and LTE, or the Multi-Mode Base Station of WCDMA and LTE.Embodiment as shown in Figure 1, comprising:
101, the available continuous frequency spectrum resource in target frequency bands is obtained.
Target frequency bands is to carry out the frequency spectrum that a section of spectrum allocation may has initial frequency and stop frequency, and it determines that factor can comprise: whether operator can use, user terminal and whether Multi-Mode Base Station is supported and market and e-learning quality strategy.
Available continuous frequency spectrum resource refer to not by use and one section of frequency spectrum of not breakpoint.Its parameter can comprise the bandwidth BW of the initial frequency FL of available continuous frequency spectrum resource, the termination frequency FH of available continuous frequency spectrum resource and available continuous frequency spectrum resource.
If there is the frequency spectrum resource of dispersion in target frequency bands, the frequency spectrum resource of dispersion is made up of multistage continuous frequency spectrum resource, and the frequency spectrum distributing method of this Multi-Mode Base Station all can be used in every section of continuous frequency spectrum resource to carry out spectrum allocation may.Also after the frequency spectrum resource taken can being carried out adjusting and optimizing, make target frequency bands meet available continuous frequency spectrum resource requirement, use the frequency spectrum distributing method of this Multi-Mode Base Station to carry out spectrum allocation may.
102, determine need in target frequency bands on use the different network formats needed for Multi-Mode Base Station in the carrier bandwidths of each network formats and the number of carriers corresponding to described carrier bandwidths.
Multi-Mode Base Station described herein is the base station of the support multiple network standard that foregoing description is crossed.
First the network formats needing to dispose based on Multi-Mode Base Station is determined, as GSM and LTE, GSM and WCDMA, or WCDMA and LTE.Then determine two network formats disposed based on Multi-Mode Base Station, represent with NET1 (as GSM) and NET2 (as LTE) respectively, the carrier bandwidths collection of two network formats is expressed as C1 and C2.Carrier bandwidths defines in 3GPP agreement, and wherein the carrier bandwidths of the carrier bandwidths of GSM network to be the carrier bandwidths of 200KHz, WCDMA be 5MHz, TD-SCDMA is that the carrier bandwidths of 1.6MHz, LTE can be 1.4,3,5,10,15 and 20MHz.According to existing market and e-learning quality strategy, suppose that NET1 is GSM mode, NET2 is LTE pattern, then C1={200K}, i.e. C1
1=200K, C2={1.4M, 3M, 5M, 10M, 15M, 20M}, i.e. C2
1=1.4M, C2
2=3M ... finally, each carrier wave C1 in C1 is determined according to available continuous frequency spectrum resource bandwidth BW, Vehicles Collected from Market and e-learning quality strategy
irequired number of carriers N1
iand each carrier wave C2 in C2
irequired number of carriers N2
i.Wherein N1
i, N2
inon-negative, and N1
ibe not more than in described available continuous frequency spectrum resource C1 when all disposing NET1
imaximum quantity, namely
n2
ibe not more than in described available continuous frequency spectrum resource C2 when all disposing NET2
imaximum quantity, namely
103, the number of carriers corresponding to carrier bandwidths and carrier bandwidths, determines the frequency spectrum resource that different network formats is required separately and frequency spectrum resource overlay information.
Because the difference of network formats, also different to the processing mode of carrier bandwidths and the number of carriers corresponding to it, the frequency spectrum resource required separately with the number of carriers determination different network formats corresponding to it by carrier bandwidths specifically will be introduced in further part.
For convenience of expression, easy to understand, the frequency spectrum resource bandwidth that different network formats is required is separately expressed as BW
nET1, BW
nET2.Note frequency spectrum resource overlay information is BW
nULL, based on said method, frequency spectrum resource overlay information can be expressed as BW
nULL=BW-BW
nET1-BW
nET2.
104, according to the required separately frequency spectrum resource of different network formats and frequency spectrum resource overlay information, be the frequency spectrum resource that different network formats distributes realistic objective.
For different network formats distributes actual available frequency spectrum resource, need the frequency spectrum resource bandwidth BW required separately according to the heterogeneous networks described in continuous frequency spectrum resource available described in step 101 and step 103
nET1, BW
nET2, frequency spectrum resource overlay information BW
nULLdetermine, distribution method can have: with the initial frequency FL of available continuous frequency spectrum resource for frequency starting point distributes to NET1 frequency spectrum resource, with FL+BW to frequency height side
nET1for frequency starting point distributes to NET2 frequency spectrum resource to frequency height side; Also can the initial frequency FL of available continuous frequency spectrum resource be that frequency starting point distributes to NET1 frequency spectrum resource to frequency height side, with the termination frequency FH of available continuous frequency spectrum resource for frequency starting point distributes to NET2 frequency spectrum resource to frequency downside.
Embodiments provide a kind of frequency spectrum distributing method of Multi-Mode Base Station; described method proposes frequency spectrum distributing method according to the strategy of spectral bandwidth total resources, market and e-learning quality; this frequency spectrum distributing method can configure the network of different systems in target frequency bands; add the flexibility that Multi-Mode Base Station intermediate frequency spectrum is distributed, improve the utilance of Multi-Mode Base Station frequency spectrum.
Because different network formats may comprise one or more carrier wave with different carrier bandwidth, in order to determine described frequency spectrum resource overlay information, as shown in Figure 2, the specific implementation of step 103 can be divided into following step 1031 to 1034, it should be noted that, when network formats each in described different network formats at least comprises two kinds of carrier bandwidths, such as support the Multi-Mode Base Station of WCDMA and LTE, when determining described frequency spectrum resource overlay information, perform step 1031,1033 and 1034; When in described different network formats; the existing network formats only comprising a kind of carrier bandwidths, when having again the network formats at least comprising two kinds of carrier bandwidths, such as supports the Multi-Mode Base Station of GSM and LTE; when determining described frequency spectrum resource overlay information, perform step 1031,1032,1033 and 1034.Due in existing Multi-Mode Base Station, there will not be in different network formats, each network formats only comprises a kind of situation of carrier bandwidths, and therefore for this situation, the present embodiment does not repeat.
In the present embodiment, the frequency spectrum resource bandwidth that different network formats is required is separately expressed as BW
nET1, BW
nET2.
1031, described carrier bandwidths is multiplied with the number of carriers corresponding to described carrier bandwidths, obtains single carrier wave bandwidth;
1032, when network formats only comprises a kind of carrier bandwidths, then described single carrier wave bandwidth is defined as the frequency spectrum resource needed for described network formats.
Such as, NET1 is GSM signal, and GSM signal only has a kind of carrier bandwidths, i.e. C1={200K}, then the frequency spectrum resource bandwidth needed for NET1 is BW
nET1=200K*N1.
1033, when network formats at least comprises two kinds of carrier bandwidths, then single carrier wave bandwidth sum corresponding for each carrier bandwidths is defined as the frequency spectrum resource needed for described network formats.
Such as, NET2 is LTE signal, and LTE signal has multiple carrier bandwidths, i.e. C2={1.4M, 3M, 5M, 10M, 15M, 20M}, i.e. C2
1=1.4M, C2
2=3M ... frequency spectrum resource bandwidth then needed for NET2 is BW
nET2=∑
ic2
i* N2
i.
1034, the available continuous frequency spectrum resource in described target frequency bands is deducted the difference that described different network formats frequency spectrum resource required separately obtains, be defined as described frequency spectrum resource overlay information.
In this step, note frequency spectrum resource overlay information is BW
nULL.Based on said method, the frequency spectrum resource bandwidth BW required separately according to different network formats
nET1, BW
nET2with the bandwidth BW of available continuous frequency spectrum resource, frequency spectrum resource overlay information can be expressed as BW
nULL=BW-BW
nET1-BW
nET2.
The number of carriers of above-mentioned steps corresponding to described carrier bandwidths and described carrier bandwidths, determine different network formats frequency spectrum resource required separately and frequency spectrum resource overlay information, the frequency spectrum resource that different network formats is required separately and frequency spectrum resource overlay information provide foundation by being used for distributing actual available frequency spectrum resource separately to different network formats in following step.
Because in the process of distributing different network formats frequency spectrum resource actual available separately, if the frequency spectrum resource that different network formats is required separately be greater than available spectrum resources with value, the spectrum overlapping of two networks can be caused, cause the problem of interference, for the problems referred to above, step 104 can be divided into following step 1041 and 1042 according to frequency spectrum resource overlay information:
1041, when described frequency spectrum resource overlay information is not less than zero, the frequency spectrum resource that described different network formats is required is separately defined as the actual available frequency spectrum resource of described different network formats.
When frequency spectrum resource overlay information is not less than zero, i.e. BW
nULLwhen>=0, now distribution method schematic diagram as shown in Figure 3, and in Fig. 3, NET1, NET2 two network place frequency spectrums are same frequency spectrum, is drawn in two reference axis respectively, Two coordinate axial coordinate in the vertical direction correspondent equal for representing clear.
Now NET1, NET2 are not overlapping, and namely NET1, NET2 two does not exist mutual interference between network.At BW
nULLwhen=0, the availability of frequency spectrum is now the highest, and without interfering with each other between two networks, is optimal situation.
1042, when described frequency spectrum resource overlay information is less than zero, the frequency spectrum resource that different network formats is required separately according to the carrier protection bandwidth sum of described frequency spectrum resource overlay information, described different network formats determines the frequency spectrum resource that described different network formats is actual available.
When frequency spectrum resource overlay information is less than zero, two networks cannot be made not distribute available continuous frequency spectrum resource overlappingly.For the problems referred to above, step 1042 can be divided into following step 10421 and 10422 according to frequency spectrum resource overlay information:
10421, when the absolute value of described frequency spectrum resource overlay information is not more than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats, the frequency spectrum resource that described different network formats is required is separately defined as the actual available frequency spectrum resource of described different network formats.
3GPP agreement defines the carrier standards bandwidth of often kind of network formats, carrier standards bandwidth BW
ccomprise left side protection bandwidth BW
c_LP, actual transmissions data bandwidth BW
c_Uwith right side protection bandwidth BW
c_RP, then its carrier bandwidths BW
cbW can be expressed as
c=BW
c_LP+ BW
c_U+ BW
c_RP.Left side protection bandwidth BW
c_LPequal right side protection bandwidth BW
c_RP, and in protection bandwidth BW
c_LPand BW
c_RPinterior without transfer of data.
Be described for LTE, LTE carrier standards bandwidth schematic diagram as shown in Figure 4, BW in LTE carrier wave
c_U, BW
c_LP, BW
c_RPand BW
ccorresponding relation as shown in table 1.
The relation of table 1, protection bandwidth and standard bandwidth
At the absolute value of frequency spectrum resource overlay information | BW
nULL| be not more than the maximum of the carrier protection bandwidth of standard NET1 and NET2, namely 0≤| BW
nULL|≤max{BW
c1_RP, BW
c2_LPtime, the frequency spectrum resource that NET1 and NET2 is required separately can be carried out overlap and distribute, distribution method is: distributing to the actual available frequency spectrum resource of NET1 is to FL+BW from frequency FL
nET1terminating, distributing to the actual available frequency spectrum resource of NET2 is from FL+BW
nET1-| BW
nULL| starting to terminate or distribute to the actual available frequency spectrum resource of NET2 to FH is to FL+BW from frequency FL
nET2terminating, distributing to the actual available frequency spectrum resource of NET1 is from FL+BW
nET2-| BW
nULL| start to terminate to FH.In this distribution method, the amount of bandwidth of two network overlapped parts is | BW
nULL|, described two Network Priority non-overlapping carrier protection portions of bandwidth, the phenomenon of the protection bandwidth overlay of carrier wave in the bandwidth of actual transmissions data and another network formats in the carrier standards bandwidth that may there is the less network formats of protection bandwidth.Now frequency spectrum distributing method schematic diagram as shown in Figure 5, in Fig. 5, NET1 and NET2 network place frequency spectrum is same frequency spectrum, the overlapping bandwidth of dotted line mark partly overlaps, for representing clear, NET1 and NET2 network place frequency spectrum is drawn in two reference axis respectively, Two coordinate axial coordinate in the vertical direction correspondent equal.
10422, when the absolute value of described frequency spectrum resource overlay information is greater than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats; redefine the number of carriers corresponding to one or more carrier bandwidths in described different network formats; until the absolute value of described frequency spectrum resource overlay information is not more than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats, and frequency spectrum resource corresponding for the number of carriers after adjustment is defined as the actual available frequency spectrum resource of described different network formats.
At the absolute value of frequency spectrum resource overlay information | BW
nULL| be greater than the maximum of the carrier protection bandwidth of standard NET1 and NET2, note BW
c1_RP, BW
c2_LPbe respectively the carrier protection bandwidth of two carrier waves of two network formats NET1, NET2 overlaps, namely | BW
nULL|>=max{BW
c1_RP, BW
c2_LPtime; now need to use method described in step 102 to redefine the number of carriers corresponding to one or more carrier bandwidths in different network formats, until meet condition described in step 104: the absolute value of frequency spectrum resource overlay information is not more than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats.The method in step 104 that performed by frequency spectrum resource corresponding for the number of carriers satisfied condition after adjustment is defined as the actual available frequency spectrum resource of described different network formats.
Through method described in above-mentioned 10421 and 10422, the impact between different network formats is kept in allowed limits, and further increases the availability of frequency spectrum.
When the absolute value of described frequency spectrum resource overlay information is not more than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats, the frequency spectrum resource now Carrier section of two network formats overlap being carried out different network formats distributes.The method can avoid the co-channel interference on two system spectrum bandwidth, but still may there is adjacent frequency interference.
In order to reduce adjacent frequency interference, can increase following step according to the load condition of frequency spectrum resource overlay information and network after step 10421, wherein, step 105 is optional step, just only perform when network load height:
105, determine dynamic isolation bandwidth in the frequency spectrum both sides of described protection bandwidth, according to the load condition of described networks with different systems, enable dynamic isolation bandwidth.
The now absolute value of frequency spectrum resource overlay information | BW
nULL| be not more than the maximum of the carrier protection bandwidth of standard NET1 and NET2, note BW
c1_RP, BW
c2_LPbe respectively the carrier protection bandwidth of two carrier waves of two network formats NET1, NET2 overlaps, namely 0≤| BW
nULL|≤max{BW
c1_RP, BW
c2_LP.
| BW
nULL|≤min{BW
c1_RP, BW
c2_LPtime, the spectral bandwidth of each network formats is divided into three parts.Part I is overlapping bandwidth | BW
nULL|, this fractional bandwidth, in carrier protection bandwidth range, is not used in transmission data; Part II be in overlapping bandwidth both sides, with overlapping bandwidth be connected, width be | BW
nULL| the bandwidth of/2, this fractional bandwidth is defined as dynamic isolation bandwidth, only enables at network load Gao Shicai; Part III is the bandwidth can dispatching arbitrarily use, then the spectral bandwidth that network N ET1 and NET2 can dispatch arbitrarily is respectively BW
nET1-| BW
nULL|/2-|BW
nULL| and BW
nET2-| BW
nULL|/2-|BW
nULL|.Above-mentioned frequency spectrum divides the structural representation of three parts as shown in Figure 6.
At min{BW
c1_RP, BW
c2_LP<|BW
nULL|≤max{BW
c1_RP, BW
c2_LPtime, the spectral bandwidth of each network formats is divided into three parts.The protection bandwidth of network N ET2 is not more than, i.e. BW in the protection bandwidth of network N ET1
c1_RP≤ BW
c2_LPtime, three partial frequency spectrums of network N ET1 are respectively: the carrier protection bandwidth one, in overlapping bandwidth, and this fractional bandwidth is not used in transmission data; Two, in overlapping bandwidth low frequency side, with protection bandwidth be connected, width be | BW
nULL| the bandwidth of/2, this fractional bandwidth is defined as dynamic isolation bandwidth, only enables at network load Gao Shicai; Three, remaining width is BW
nET1-| BW
nULL|/2-BW
c1_RPfrequency spectrum can dispatch use arbitrarily.Three partial frequency spectrums of network N ET2 are respectively: one, the spectral bandwidth of overlapping region | BW
nULL|, this fractional bandwidth, in the boundary belt wide region of system, is not used in transmission data; Two, in overlapping bandwidth high-frequency side, with overlapping bandwidth be connected, width be | BW
nULL| the bandwidth of/2, this fractional bandwidth is defined as dynamic isolation bandwidth, only enables at network load Gao Shicai; Three, remaining width is BW
nET2-| BW
nULL|/2-|BW
nULL| frequency spectrum can dispatch use arbitrarily.Above-mentioned frequency spectrum divides the structural representation of three parts as shown in Figure 7.
The protection bandwidth of network N ET2 is wider than, i.e. BW at the boundary belt of network N ET1
c1_RP>BW
c2_LPtime, three partial frequency spectrums of network N ET1 are respectively: one, the spectral bandwidth of overlapping region | BW
nULL|, this fractional bandwidth, in the boundary belt wide region of system, is not used in transmission data; Two, in overlapping bandwidth low frequency side, with overlapping bandwidth be connected, width be | BW
nULL| the bandwidth of/2, this fractional bandwidth is defined as dynamic isolation bandwidth, only enables at network load Gao Shicai; Three, remaining width is BW
nET1-| BW
nULL|/2-|BW
nULL| frequency spectrum can dispatch use arbitrarily.Three partial frequency spectrums of network N ET2 are respectively: the protection bandwidth one, in the bandwidth of overlapping region, and this fractional bandwidth is not used in transmission data; Two, in overlapping bandwidth high-frequency side, with protection bandwidth be connected, width be | BW
nULL| the bandwidth of/2, this fractional bandwidth is defined as dynamic isolation bandwidth, only enables at network load Gao Shicai; Three, remaining width is BW
nET2-| BW
nULL|/2-BW
c2_LPfrequency spectrum can dispatch use arbitrarily.
Multi-Mode Base Station, according to the load condition scheduling bandwidth resource of network, only enables the dynamic isolation bandwidth described in step 105 at network load Gao Shicai, and described method can reduce the adjacent frequency interference near the overlapping bandwidth of heterogeneous networks.
Understand technical scheme provided by the present invention in order to more explicit, embodiments provide general flow chart as shown in Figure 8 at this.It specifically comprises:
101, the available continuous frequency spectrum resource in target frequency bands is obtained.
102, the carrier bandwidths of each network formats and the number of carriers corresponding to described carrier bandwidths in the different network formats needed for Multi-Mode Base Station that needs use in described target frequency bands is determined.
1031, described carrier bandwidths is multiplied with the number of carriers corresponding to described carrier bandwidths, obtains single carrier wave bandwidth.
1032, when network formats only comprises a kind of carrier bandwidths, then described single carrier wave bandwidth is defined as the frequency spectrum resource needed for described network formats.
1033, when network formats at least comprises two kinds of carrier bandwidths, then single carrier wave bandwidth sum corresponding for each carrier bandwidths is defined as the frequency spectrum resource needed for described network formats.
1034, the available continuous frequency spectrum resource in described target frequency bands is deducted the difference that described different network formats frequency spectrum resource required separately obtains, be defined as described frequency spectrum resource overlay information.
1041, when described frequency spectrum resource overlay information is not less than zero, the frequency spectrum resource that described different network formats is required is separately defined as the actual available frequency spectrum resource of described different network formats.
10421, zero is less than at described frequency spectrum resource overlay information; and the absolute value of described frequency spectrum resource overlay information is when being not more than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats, the frequency spectrum resource that described different network formats is required is separately defined as the actual available frequency spectrum resource of described different network formats.
10422, zero is less than at described frequency spectrum resource overlay information, and the absolute value of described frequency spectrum resource overlay information is when being greater than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats, redefine the number of carriers corresponding to one or more carrier bandwidths in described different network formats, until the absolute value of described frequency spectrum resource overlay information is not more than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats, and frequency spectrum resource corresponding for the number of carriers after adjustment is defined as the actual available frequency spectrum resource of described different network formats.
Based on preceding method flow process, the embodiment of the present invention provides a kind of Spectrum allocation apparatus 3 that can realize the Multi-Mode Base Station of preceding method flow process at this, and as shown in Figure 9, described device 3 comprises described device 3:
Acquiring unit 31, for obtaining the available continuous frequency spectrum resource in target frequency bands.
First determining unit 32, for determining to need the number of carriers corresponding to the carrier bandwidths of each network formats in the different network formats needed for the described Multi-Mode Base Station that uses in described target frequency bands and described carrier bandwidths.
Second determining unit 33, for the number of carriers corresponding to described carrier bandwidths and described carrier bandwidths, determines the frequency spectrum resource that described different network formats is required separately and frequency spectrum resource overlay information.
Allocation units 34, for according to the required separately frequency spectrum resource of described different network formats and frequency spectrum resource overlay information, are that described different network formats distributes actual available frequency spectrum resource.
Because different network formats may comprise one or more carrier wave with different carrier bandwidth, in order to calculate different network formats frequency spectrum resource required separately, described second determining unit 33 as shown in Figure 10, comprising:
First determines subelement 331, for described carrier bandwidths being multiplied with the number of carriers corresponding to described carrier bandwidths, obtains single carrier wave bandwidth;
Second determines subelement 332, for when network formats only comprises a kind of carrier bandwidths, described single carrier wave bandwidth is defined as the frequency spectrum resource needed for described network formats; When network formats at least comprises two kinds of carrier bandwidths, single carrier wave bandwidth sum corresponding for each carrier bandwidths is defined as the frequency spectrum resource needed for described network formats; Available continuous frequency spectrum resource in described target frequency bands is deducted the difference that described different network formats frequency spectrum resource required separately obtains, be defined as described frequency spectrum resource overlay information.
Because of distribute each network formats reality can frequency spectrum resource needs determine according to frequency spectrum resource overlay information, so as shown in Figure 10,
Described allocation units 34, also for when described frequency spectrum resource overlay information is not less than zero, are defined as the actual available frequency spectrum resource of described different network formats by the frequency spectrum resource that described different network formats is required separately; When described frequency spectrum resource overlay information is less than zero, the frequency spectrum resource that different network formats is required separately according to the protection bandwidth sum of described frequency spectrum resource overlay information, described different network formats determines the frequency spectrum resource that described different network formats is actual available.
When described frequency spectrum resource overlay information is less than zero, described allocation units 34, during specifically for being not more than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats at the absolute value of described frequency spectrum resource overlay information, the frequency spectrum resource that described different network formats is required is separately defined as the actual available frequency spectrum resource of described different network formats; When the absolute value of described frequency spectrum resource overlay information is greater than maximum protection bandwidth in each self-corresponding protection bandwidth of different network formats described in described overlapping bandwidth; redefine the number of carriers corresponding to one or more carrier bandwidths in described different network formats; until the absolute value of described frequency spectrum resource overlay information is not more than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats, and frequency spectrum resource corresponding for the number of carriers after adjustment is defined as the actual available frequency spectrum resource of described different network formats.
In order to reduce the adjacent frequency interference of two networks when spectrum overlapping distributes, as shown in figure 11, described second determining unit 33, also comprises:
3rd determines subelement 333, for determining dynamic isolation bandwidth in the frequency spectrum both sides of described protection bandwidth,
Enable subelement 334, according to the load condition of described networks with different systems, enable dynamic isolation bandwidth.
Embodiments provide a kind of Spectrum allocation apparatus 3 of Multi-Mode Base Station; described device 3 distributes frequency spectrum resource according to the strategy of spectral bandwidth total resources, market and e-learning quality; this Spectrum allocation apparatus can configure the network of different systems in target frequency bands; add the flexibility that Multi-Mode Base Station intermediate frequency spectrum is distributed, improve the utilance of Multi-Mode Base Station frequency spectrum.
For device embodiment in this specification, because it is substantially similar to embodiment of the method, so describe fairly simple, relevant part illustrates see the part of embodiment of the method.
Through the above description of the embodiments, those skilled in the art can be well understood to, for convenience and simplicity of description, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, the internal structure by device is divided into different functional modules, to complete all or part of function described above.The system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described module or unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (10)
1. a frequency spectrum distributing method for Multi-Mode Base Station, is characterized in that, comprising:
Obtain the available continuous frequency spectrum resource in target frequency bands;
Determine the carrier bandwidths of each network formats and the number of carriers corresponding to described carrier bandwidths in the different network formats needed for Multi-Mode Base Station needing to use in described target frequency bands;
According to the number of carriers corresponding to described carrier bandwidths and described carrier bandwidths, determine the frequency spectrum resource that described different network formats is required separately and frequency spectrum resource overlay information;
The frequency spectrum resource required separately according to described different network formats and frequency spectrum resource overlay information, for described different network formats distributes actual available frequency spectrum resource.
2. method according to claim 1, is characterized in that, described number of carriers corresponding to described carrier bandwidths and described carrier bandwidths, determines that the frequency spectrum resource that described different network formats is required separately and frequency spectrum resource overlay information comprise:
Described carrier bandwidths is multiplied with the number of carriers corresponding to described carrier bandwidths, obtains single carrier wave bandwidth;
When network formats only comprises a kind of carrier bandwidths, then described single carrier wave bandwidth is defined as the frequency spectrum resource needed for described network formats;
When network formats at least comprises two kinds of carrier bandwidths, then single carrier wave bandwidth sum corresponding for each carrier bandwidths is defined as the frequency spectrum resource needed for described network formats;
Available continuous frequency spectrum resource in described target frequency bands is deducted the difference that described different network formats frequency spectrum resource required separately obtains, be defined as described frequency spectrum resource overlay information.
3. method according to claim 2, is characterized in that, the described frequency spectrum resource required separately according to described different network formats and frequency spectrum resource overlay information, comprises for described different network formats distributes actual available frequency spectrum resource:
When described frequency spectrum resource overlay information is not less than zero, the frequency spectrum resource that described different network formats is required is separately defined as the actual available frequency spectrum resource of described different network formats;
When described frequency spectrum resource overlay information is less than zero, the frequency spectrum resource that different network formats is required separately according to the protection bandwidth sum of described frequency spectrum resource overlay information, described different network formats determines the frequency spectrum resource that described different network formats is actual available.
4. method according to claim 3; it is characterized in that; described when described frequency spectrum resource overlay information is less than zero, the frequency spectrum resource that different network formats is required separately according to the protection bandwidth sum of described frequency spectrum resource overlay information, described different network formats determines that the actual available frequency spectrum resource of described different network formats comprises:
When the absolute value of described frequency spectrum resource overlay information is not more than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats, the frequency spectrum resource that described different network formats is required is separately defined as the actual available frequency spectrum resource of described different network formats;
When the absolute value of described frequency spectrum resource overlay information is greater than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats; redefine the number of carriers corresponding to one or more carrier bandwidths in described different network formats; until the absolute value of described frequency spectrum resource overlay information is not more than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats, and frequency spectrum resource corresponding for the number of carriers after adjustment is defined as the actual available frequency spectrum resource of described different network formats.
5. method according to claim 4, is characterized in that, also comprises:
Dynamic isolation bandwidth is determined in the frequency spectrum both sides of described protection bandwidth;
According to the load condition of described networks with different systems, enable dynamic isolation bandwidth.
6. a Spectrum allocation apparatus for Multi-Mode Base Station, is characterized in that, described device comprises:
Acquiring unit, for obtaining the available continuous frequency spectrum resource in target frequency bands;
First determining unit, for determining to need the number of carriers corresponding to the carrier bandwidths of each network formats in the different network formats needed for the Multi-Mode Base Station that uses in described target frequency bands and described carrier bandwidths;
Second determining unit, for the number of carriers corresponding to described carrier bandwidths and described carrier bandwidths, determines the frequency spectrum resource that described different network formats is required separately and frequency spectrum resource overlay information;
Allocation units, for according to the required separately frequency spectrum resource of described different network formats and frequency spectrum resource overlay information, are that described different network formats distributes actual available frequency spectrum resource.
7. device according to claim 6, is characterized in that, described second determining unit comprises:
First determines subelement, for described carrier bandwidths being multiplied with the number of carriers corresponding to described carrier bandwidths, obtains single carrier wave bandwidth;
Second determines subelement, for when network formats only comprises a kind of carrier bandwidths, described single carrier wave bandwidth is defined as the frequency spectrum resource needed for described network formats; When network formats at least comprises two kinds of carrier bandwidths, single carrier wave bandwidth sum corresponding for each carrier bandwidths is defined as the frequency spectrum resource needed for described network formats; Available continuous frequency spectrum resource in described target frequency bands is deducted the difference that described different network formats frequency spectrum resource required separately obtains, be defined as described frequency spectrum resource overlay information.
8. device according to claim 7, is characterized in that,
Described allocation units, also for when described frequency spectrum resource overlay information is not less than zero, are defined as the actual available frequency spectrum resource of described different network formats by the frequency spectrum resource that described different network formats is required separately; When described frequency spectrum resource overlay information is less than zero, the frequency spectrum resource that different network formats is required separately according to the protection bandwidth sum of described frequency spectrum resource overlay information, described different network formats determines the frequency spectrum resource that described different network formats is actual available.
9. device according to claim 8, is characterized in that, described when described frequency spectrum resource overlay information is less than zero,
Described allocation units, during specifically for being not more than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats at the absolute value of described frequency spectrum resource overlay information, the frequency spectrum resource that described different network formats is required is separately defined as the actual available frequency spectrum resource of described different network formats; When the absolute value of described frequency spectrum resource overlay information is greater than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats; redefine the number of carriers corresponding to one or more carrier bandwidths in described different network formats; until the absolute value of described frequency spectrum resource overlay information is not more than maximum protection bandwidth in each self-corresponding protection bandwidth of described different network formats, and frequency spectrum resource corresponding for the number of carriers after adjustment is defined as the actual available frequency spectrum resource of described different network formats.
10. device according to claim 9, is characterized in that, described second determining unit also comprises:
3rd determines subelement, for determining dynamic isolation bandwidth in the frequency spectrum both sides of described protection bandwidth;
Enable submodule, for the load condition according to described networks with different systems, enable dynamic isolation bandwidth.
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