CN102869093B - Frequency range notification method and device - Google Patents
Frequency range notification method and device Download PDFInfo
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- CN102869093B CN102869093B CN201210365876.7A CN201210365876A CN102869093B CN 102869093 B CN102869093 B CN 102869093B CN 201210365876 A CN201210365876 A CN 201210365876A CN 102869093 B CN102869093 B CN 102869093B
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Abstract
This application provides a kind of frequency range notification method and device, wherein, frequency range notification method comprises: obtain up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter, wherein, up absolute channel number calculating parameter comprises ascending physical signal frequency reference, up center physics frequency, up absolute channel number reference value and the first frequency conversion coefficient, and descending absolute channel number calculating parameter comprises downlink physical frequency reference, downlink center physics frequency, descending absolute channel number reference value and the second frequency conversion coefficient; According to up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter, obtain corresponding up absolute channel number and/or descending absolute channel number; Air-interface information is used to carry the information of up absolute channel number or the information of descending absolute channel number, to notify the communications band of current use.By the application, achieve flexible use and the dynamic conditioning of frequency range, effectively meet frequency usage demand.
Description
Technical field
The application relates to communication technical field, particularly relates to a kind of frequency range notification method and device of LTE system.
Background technology
In LTE mobile communication system, terminal and eNodeB network element are to the use of frequency resource, all need frequency range (E-UTRA Operating Band), physical frequencies (Carrier Frequency) and absolute channel number (the E-UTRA Absolute Radio FrequencyChannel Number with reference to specifying in 3GPP36.101 agreement, be called for short EARFCN), and the mutual conversion formula between physical frequencies and absolute channel number.For eNodeB, this translation function needs organizing cell system information, organize RRC to reshuffle measurement configuration information, switch in the scenes such as select target community and use; For terminal, this translation function needs to resolve in the scenes such as measurement configuration information use in Cell searching, initial attachment.
For the software code of eNodeB, eNodeB with reference to the formula in the 5.7.3 joint of 36.101 agreements and form, the center physics frequency F corresponding with EARFCN can be calculated.
Wherein, in agreement, the computing formula of EARFCN to F is as follows:
Descending frequency conversion formula: F
dL=F
dL_low+ 0.1 (N
dL-N
offs-DL)
Up frequency conversion formula: F
uL=F
uL_low+ 0.1 (N
uL-N
offs-UL)
In addition, in the primary data configuration file of eNodeB, the standard bands BAND of 36.101 agreement defineds and corresponding physical centre frequency F can be set usually.So, can show that backwards calculation formula is according to these two parameters above-mentioned and formula:
Descending absolute channel number conversion formula: N
dL=N
offs-DL+ 10 × (F
dLf
dL_low)
Up absolute channel number conversion formula: N
uL=N
offs-UL+ 10 × (F
uLf
uL_low)
In above-mentioned formula, F
dLrepresent downlink center physics frequency, F
uLrepresent up center physics frequency, F
dL_lowrepresent the minimum of the downlink physical frequency range that this frequency range is corresponding, F
uL_lowrepresent the minimum of the ascending physical signal frequency range that this frequency range is corresponding, N
dLrepresent descending absolute channel number, N
uLrepresent up absolute channel number, N
offs-DLrepresent the minimum of the descending absolute channel number scope that this frequency range is corresponding, N
offs-ULrepresent the minimum of the up absolute channel number scope that this frequency range is corresponding.
For terminal, to the use of frequency and the calculating of frequency conversion, similar with eNodeB, be also will with reference to the above table in 36.101 agreements and formula.
But, existingly only support the frequency range of defined and the technology of frequency values in 36.101 agreements, no matter for system manufacturer or manufacturer terminal, its demand to frequency usage can not be met completely.Under many application scenarioss, equipment development business often use the frequency range (i.e. nonstandard frequency range), physical frequencies and the absolute channel number that oneself define, and the physical frequencies different with agreement is to the mutual conversion formula (i.e. nonstandard conversion formula) of absolute channel number.Use nonstandard frequency range and nonstandard conversion formula, on the one hand, for eNodeB manufacturer, once change terminal equipment, may just need again for the software of new nonstandard frequency range amendment oneself, and for manufacturer terminal, as long as changed the eNodeB equipment used, also same problem can be there is; On the other hand, be easy between different vendor occur not mating and using confusion phenomena, cause terminal maybe can not communicate by access network.
Visible, existing implementation, is obviously not easy to use flexibly and dynamic conditioning frequency range, lacks normative, cannot meet frequency usage demand.
Summary of the invention
This application provides a kind of frequency range notification method and device, be not easy to use flexibly and dynamic conditioning frequency range to solve prior art, lack normative, the problem of frequency usage demand cannot be met.
In order to solve the problem, this application discloses a kind of frequency range notification method, comprise: obtain up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter, wherein, described up absolute channel number calculating parameter comprises ascending physical signal frequency reference, up center physics frequency, up absolute channel number reference value and the first frequency conversion coefficient, and described descending absolute channel number calculating parameter comprises downlink physical frequency reference, downlink center physics frequency, descending absolute channel number reference value and the second frequency conversion coefficient; According to described up absolute channel number calculating parameter and/or described descending absolute channel number calculating parameter, obtain corresponding up absolute channel number and/or descending absolute channel number; Air-interface information is used to carry the information of described up absolute channel number or the information of described descending absolute channel number, to notify the communications band of current use.
Preferably, the described step obtaining corresponding up absolute channel number according to up absolute channel number calculating parameter comprises: according to described up absolute channel number calculating parameter, according to up absolute channel number conversion formula: N
uL=N
uL-ref+ (F
uL– F
uL-ref)/a
1, obtain corresponding up absolute channel number, wherein, N
uLrepresent up absolute channel number, N
uL-refrepresent up absolute channel number reference value, F
uLrepresent up center physics frequency, F
uL-refrepresent ascending physical signal frequency reference, a
1represent the first frequency conversion coefficient; The described step obtaining corresponding descending absolute channel number according to descending absolute channel number calculating parameter comprises: according to described descending absolute channel number calculating parameter, according to descending absolute channel number conversion formula: N
dL=N
dL-ref+ (F
dL– F
dL-ref)/a
2, obtain corresponding descending absolute channel number, wherein, N
dLrepresent descending absolute channel number, N
dL-refrepresent descending absolute channel number reference value, F
dLrepresent downlink center physics frequency, F
dL-refrepresent downlink physical frequency reference, a
2represent the second frequency conversion coefficient.
Preferably, described frequency range notification method also comprises: according to described up absolute channel number reference value, described up absolute channel number, described ascending physical signal frequency reference and described first frequency conversion coefficient, obtains described up center physics frequency; And/or, according to described descending absolute channel number reference value, described descending absolute channel number, described downlink physical frequency reference and described second frequency conversion coefficient, obtain described downlink center physics frequency.
Preferably, described according to described up absolute channel number reference value, described up absolute channel number, described ascending physical signal frequency reference and described first frequency conversion coefficient, the step obtaining described up center physics frequency comprises: according to described up absolute channel number reference value, described up absolute channel number, described ascending physical signal frequency reference and described first frequency conversion coefficient, according to up frequency conversion formula: F
uL=F
uL-ref+ a
1(N
uL– N
uL-ref), obtain described up center physics frequency; Described according to described descending absolute channel number reference value, described descending absolute channel number, described downlink physical frequency reference and described second frequency conversion coefficient, the step obtaining described downlink center physics frequency comprises: according to described descending absolute channel number reference value, described descending absolute channel number, described downlink physical frequency reference and described second frequency conversion coefficient, according to descending frequency conversion formula: F
dL=F
dL-ref+ a
2(N
dL-N
dL-ref), obtain described downlink center physics frequency.
Preferably, the step of described acquisition up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter comprises: receive the described up absolute channel number calculating parameter of input and/or described descending absolute channel number calculating parameter by parameters input interface; Or, from the primary data configuration file of base station or terminal, obtain described up absolute channel number calculating parameter and/or described descending absolute channel number calculating parameter.
In order to solve the problem, disclosed herein as well is a kind of frequency range notifying device, comprise: the first acquisition module, for obtaining up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter, wherein, described up absolute channel number calculating parameter comprises ascending physical signal frequency reference, up center physics frequency, up absolute channel number reference value and the first frequency conversion coefficient, described descending absolute channel number calculating parameter comprises downlink physical frequency reference, downlink center physics frequency, descending absolute channel number reference value and the second frequency conversion coefficient, second acquisition module, for according to described up absolute channel number calculating parameter and/or described descending absolute channel number calculating parameter, obtains corresponding up absolute channel number and/or descending absolute channel number, notification module, carries the information of described up absolute channel number or the information of described descending absolute channel number, to notify the communications band of current use for using air-interface information.
Preferably, described second acquisition module, for according to described up absolute channel number calculating parameter, according to up absolute channel number conversion formula: N
uL=N
uL-ref+ (F
uL– F
uL-ref)/a
1, obtain corresponding up absolute channel number, wherein, N
uLrepresent up absolute channel number, N
uL-refrepresent up absolute channel number reference value, F
uLrepresent up center physics frequency, F
uL-refrepresent ascending physical signal frequency reference, a
1represent the first frequency conversion coefficient; And/or, for according to described descending absolute channel number calculating parameter, according to descending absolute channel number conversion formula: N
dL=N
dL-ref+ (F
dL– F
dL-ref)/a
2, obtain corresponding descending absolute channel number, wherein, N
dLrepresent descending absolute channel number, N
dL-refrepresent descending absolute channel number reference value, F
dLrepresent downlink center physics frequency, F
dL-refrepresent downlink physical frequency reference, a
2represent the second frequency conversion coefficient.
Preferably, described frequency range notifying device also comprises: the 3rd acquisition module, for according to described up absolute channel number reference value, described absolute channel number, described ascending physical signal frequency reference and described first frequency conversion coefficient, obtain described up center physics frequency; And/or, according to described descending absolute channel number reference value, described descending absolute channel number, described downlink physical frequency reference and described second frequency conversion coefficient, obtain described downlink center physics frequency.
Preferably, described 3rd acquisition module, for according to described up absolute channel number reference value, described up absolute channel number, described ascending physical signal frequency reference and described first frequency conversion coefficient, according to up frequency conversion formula: F
uL=F
uL-ref+ a
1(N
uL-N
uL-ref), obtain described up center physics frequency; And/or, for according to described descending absolute channel number reference value, described descending absolute channel number, described downlink physical frequency reference and described second frequency conversion coefficient, according to descending frequency conversion formula: F
dL=F
dL-ref+ a
2(N
dL– N
dL-ref), obtain described downlink center physics frequency.
Preferably, described first acquisition module, for receiving the described up absolute channel number calculating parameter of input and/or described descending absolute channel number calculating parameter by parameters input interface; Or, from the primary data configuration file of base station or terminal, obtain described up absolute channel number calculating parameter and/or described descending absolute channel number calculating parameter.
Compared with prior art, the application has the following advantages:
The application calculates corresponding up absolute channel number and/or descending absolute channel number by up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter, and then carry out frequency range notice by air-interface information, as notified the communications band of corresponding base station or the current use of terminal.Wherein, up absolute channel number calculating parameter comprises up absolute channel number reference value, up center physics frequency, ascending physical signal frequency reference and the first frequency conversion coefficient; Descending absolute channel number calculating parameter comprises descending absolute channel number reference value, downlink center physics frequency, downlink physical frequency reference and the second frequency conversion coefficient.In actual use, first and second frequency conversion coefficient can be set according to the frequency range of reality, determine other uplink and downlink absolute channel number calculating parameter, and then determine uplink and downlink absolute channel number.By the scheme of the application, can non-standard frequency range simultaneously beyond supported protocol specified standard frequency range and agreement, complete the calculating of absolute channel number quickly and easily; Absolute channel number conversion formula is accomplished the unification of standard and nonstandard standard, and supported that each parameter of conversion formula can be joined; Frequency conversion coefficient outside supported protocol specifies, to meet the demand that different vendor changes for frequency; ENodeB or terminal are accomplished to the unification on implementation, the special applications of different vendor can have been dealt with a set of software, and then achieved flexible use and the dynamic conditioning of frequency range, effectively met frequency usage demand.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of a kind of frequency range notification method according to the embodiment of the present application one;
Fig. 2 is the flow chart of steps of a kind of frequency range notification method according to the embodiment of the present application two;
Fig. 3 is the structured flowchart of a kind of frequency range notifying device according to the embodiment of the present application three.
Embodiment
For enabling above-mentioned purpose, the feature and advantage of the application more become apparent, below in conjunction with the drawings and specific embodiments, the application is described in further detail.
Embodiment one
With reference to Fig. 1, show the flow chart of steps of a kind of frequency range notification method according to the embodiment of the present application one.
The frequency range notification method of the present embodiment comprises the following steps:
Step S102: obtain up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter.
Wherein, up absolute channel number calculating parameter comprises up absolute channel number reference value, up center physics frequency, ascending physical signal frequency reference and the first frequency conversion coefficient; Descending frequency calculating parameter comprises descending absolute channel number reference value, downlink center physics frequency, downlink physical frequency reference and the second frequency conversion coefficient.
It should be noted that, when calculating the uplink and downlink absolute channel number of same frequency range, and when uplink and downlink physical frequencies scope corresponding to this frequency range is identical, the first frequency conversion coefficient and the second frequency conversion coefficient get identical value.
Step S104: according to up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter, obtain corresponding up absolute channel number and/or descending absolute channel number.
Step S106: use air-interface information to carry the information of up absolute channel number or descending absolute channel number information, to notify the communications band of current use.
Such as, the communications band of corresponding base station or the current use of terminal is notified by air-interface information, then base station or terminal know by air-interface information the communications band that current network uses, and then carry out subsequent operation, as, eNodeB according to the Information Organization cell system information of this communications band, organize RRC to reshuffle measurement configuration information, switch select target community etc.; Terminal carries out Cell searching according to the information of this communications band, measurement configuration information etc. is resolved in initial attachment.
In the application, air-interface information can be any type, as cell system message, RRC reconfiguration message, handover request message etc.
Pass through the present embodiment, up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter is used to calculate corresponding up absolute channel number and/or descending absolute channel number, and then carry out frequency range notice by air-interface information, as notified the communications band of corresponding base station or the current use of terminal.Wherein, up absolute channel number calculating parameter comprises up absolute channel number reference value, up center physics frequency, ascending physical signal frequency reference and the first frequency conversion coefficient; Descending absolute channel number calculating parameter comprises descending absolute channel number reference value, downlink center physics frequency, downlink physical frequency reference and the second frequency conversion coefficient.In actual use, first and second frequency conversion coefficient can be set according to the frequency range of reality, determine other uplink and downlink absolute channel number calculating parameter, and then determine uplink and downlink absolute channel number.By the scheme of the present embodiment, can non-standard frequency range simultaneously beyond supported protocol specified standard frequency range and agreement, complete the calculating of absolute channel number quickly and easily; Absolute channel number conversion formula is accomplished the unification of standard and nonstandard standard, and supported that each parameter of conversion formula can be joined; Frequency conversion coefficient outside supported protocol specifies, to meet the demand that different vendor changes for frequency; ENodeB or terminal are accomplished to the unification on implementation, the special applications of different vendor can have been dealt with a set of software, and then achieved flexible use and the dynamic conditioning of frequency range, effectively met frequency usage demand.
Embodiment two
With reference to Fig. 2, show the flow chart of steps of a kind of frequency range notification method according to the embodiment of the present application two.
In the present embodiment, to obtain the uplink and downlink absolute channel number of same nonstandard frequency range, it is example that the information using air-interface information to carry the uplink and downlink absolute channel number of this nonstandard frequency range carries out frequency range notice, is explained the frequency range notification method of the application.
Step S202: obtain up absolute channel number calculating parameter and descending absolute channel number calculating parameter.
Up absolute channel number calculating parameter and descending absolute channel number calculating parameter can obtain in the following manner:
(1) the up absolute channel number calculating parameter of input and descending absolute channel number calculating parameter is received by parameters input interface.
Be provided with the parameters input interface inputting up absolute channel number calculating parameter and descending absolute channel number calculating parameter for user in corresponding equipment, user, by this parameters input interface input parameter, calculates for uplink and downlink absolute channel number.
(2) from the primary data configuration file of base station or terminal, up absolute channel number calculating parameter and descending absolute channel number calculating parameter is obtained.
A kind of mode is, in the primary data configuration file of base station or terminal, use described up absolute channel number calculating parameter and descending absolute channel number calculating parameter to replace original uplink and downlink absolute channel number calculating parameter; Another kind of mode is, in the primary data configuration file of existing base station or terminal, set up corresponding up absolute channel number calculating parameter and descending absolute channel number calculating parameter.And then, when calculating, from the primary data configuration file of base station or terminal, obtain relevant parameter.
A kind of mode after adopting in the present embodiment.For eNodeB, in the primary data configuration file of eNodeB, except existing standard bands BAND and center physics frequency F, increase first and second frequency conversion coefficient, physical frequencies reference value and the absolute channel number reference value mentioned in above-mentioned formula again, like this, be just equivalent to introduce unified frequency conversion formula.So eNodeB, only just can be realized by a set of software code just again without any difference for the process of the accurate frequency range of standard and nonstandard.Calculate each parameter used, both can use the standard value of defined in 36.101 agreements, also can adopt the non-standard value that manufacturer terminal defines.When using the terminal of different vendor, only need to modify to configuration file according to different demands, just can tackle various special application scenarios, and compatiblely can have consensus standard and implementation, accomplish uniformity, normalization, dynamically joining property.
Similarly, for terminal implementation, also similar strategy can be taked, configurable parameter is all put in the primary data configuration file of terminal, and realize unified frequency conversion formula in software code, like this, the application demand of different e NodeB just can be met completely.
Certainly, be not limited thereto, in actual applications, those skilled in the art also suitably can arrange the obtain manner of uplink and downlink absolute channel number calculating parameter according to actual conditions, to determine uplink and downlink absolute channel number, the application is not restricted this.
Step S204: according to up absolute channel number calculating parameter, corresponding up absolute channel number is obtained according to up absolute channel number conversion formula, and, according to descending absolute channel number calculating parameter, obtain corresponding descending absolute channel number according to descending absolute channel number conversion formula.
Wherein,
Up absolute channel number conversion formula is: N
uL=N
uL-ref+ (F
uL-F
uL--ref)/a
1;
Descending absolute channel number conversion formula is: N
dL=N
dL-ref+ (F
dL-F
dL-ref)/a
2;
In above-mentioned formula, F
uLrepresent up center physics frequency, F
uL-refrepresent ascending physical signal frequency reference, a
1represent the first frequency conversion coefficient, N
uLrepresent up absolute channel number, N
uL-refrepresent up absolute channel number reference value; F
dLrepresent downlink center physics frequency, F
dL-refrepresent downlink physical frequency reference, a
2represent the second frequency conversion coefficient, N
dLrepresent descending absolute channel number, N
dL-refrepresent descending absolute channel number reference value.
Wherein, physical frequencies reference value refers to can to select a value as with reference to value within the scope of the physical frequencies of this frequency range, the minimum of the physical frequencies scope that this frequency range is corresponding as previously mentioned, the uplink/downlink physical frequencies reference value of frequency range is defaulted as the minimum of the uplink/downlink physical frequencies scope being frequency range; Absolute channel number reference value refers to can to select a value as with reference to value within the scope of the absolute channel number of this frequency range, the minimum of the absolute channel number scope that this frequency range is corresponding as previously mentioned, the uplink/downlink absolute channel number reference value of frequency range is defaulted as the minimum of the uplink/downlink absolute channel number scope being frequency range.
Because the uplink and downlink absolute channel number of the present embodiment to same frequency range calculates, and uplink and downlink physical frequencies scope corresponding to this frequency range is identical, so in above-mentioned formula, and a
1=a
2if unification represents frequency converting system with a, then above-mentioned formula can be reduced to:
Up absolute channel number conversion formula is: N
uL=N
uL-ref+ (F
uL– F
uL-ref)/a;
Descending absolute channel number conversion formula is: N
dL=N
dL-ref+ (F
dL– F
dL-ref)/a.
Frequency conversion coefficient a/a1/a2, also referred to as step value, for standard bands, needs to be set to 0.1, can arrange for nonstandard frequency range by actual demand.
As frequency conversion coefficient a(or a
1or a
2during)=0.1, the frequency calculating parameter of existing standard frequency range can be used, above-mentioned formula etc. is all the standard frequency point conversion formula defined in 36.101 agreements, and as frequency conversion coefficient a(or a
1or a
2) when not being 0.1, above-mentioned formula can meet various conversion requirements again neatly.Visible, the above-mentioned uplink and downlink frequency conversion formula of the application not only can meet the conversion requirements of each manufacturer for nonstandard frequency, allow nonstandard BAND, F and the EARFCN outside manufacturer oneself specified protocol, also retains the support to normalized form, compatible existing implementation can be accomplished completely, more meet the requirement that actual LTE system is changed for frequency, and computing formula is unified, avoid introducing difference.
Certainly, at calculating one direction absolute channel number and when there occurs change when frequency range, such as, frequency range becomes 2.5GHz from 1.6GHz, the frequency conversion coefficient used when then calculating the up absolute channel number of 1.6GHz, different with the frequency conversion coefficient used when calculating the descending absolute channel number of 2.5GHz, now, a
1be not equal to a
2.And when calculating the uplink and downlink absolute channel number of 1.6GHz and the uplink and downlink physical frequencies scope of 1.6GHz is identical, the frequency conversion coefficient of use is identical; The frequency conversion coefficient used when calculating the uplink and downlink absolute channel number of 2.5GHz and the uplink and downlink physical frequencies scope of 2.5GHz is identical is also identical.
Step S206: use air-interface information to carry the information of the up absolute channel number of acquisition with the communications band of the current use of informing base station; And/or, use air-interface information to carry the information of the descending absolute channel number of acquisition, with the communications band of the current use of notification terminal.
Step S208: according to ascending physical signal frequency reference, up absolute channel number, up absolute channel number reference value and frequency conversion coefficient, obtains up center physics frequency; According to downlink physical frequency reference, descending absolute channel number, descending absolute channel number reference value and frequency conversion coefficient, obtain downlink center physics frequency.
This step is optional step, for the situation by absolute channel number computer center physics frequency.
Because in the present embodiment, the first frequency conversion coefficient is identical with the second frequency conversion coefficient, therefore, in this step, be referred to as frequency conversion coefficient.
Preferably, can according to ascending physical signal frequency reference, up absolute channel number, up absolute channel number reference value and the first frequency conversion coefficient, according to up frequency conversion formula: F
uL=F
uL-ref+ a
1(N
uL– N
uL-ref), obtain up center physics frequency; According to downlink physical frequency reference, descending absolute channel number, descending absolute channel number reference value and the second frequency conversion coefficient, according to descending frequency conversion formula: F
dL=F
dL-ref+ a
2(N
dL– N
dL-ref), obtain downlink center physics frequency.Wherein, in uplink and downlink frequency conversion formula, each meaning of parameters is identical with the implication in above-mentioned uplink and downlink absolute channel number conversion formula.
In the present embodiment, because of a
1=a
2, unification represents with a, then above-mentioned simplified formula is:
Up frequency conversion formula: F
uL=F
uL-ref+ a (N
uL– N
uL-ref);
Descending frequency conversion formula: F
dL=F
dL-ref+ a (N
dL-N
dL-ref).
Wherein, center physics frequency is in the inside of eNodeB and terminal realizes, and the parameter that physical layer can morely be used such as presses certain physical centre's frequency search during Cell searching.And absolute channel number is the parameter for transmitting in air-interface information, belong to the high-rise parameter used.
It should be noted that, the present embodiment is to obtain up absolute channel number and descending absolute channel number, but in actual applications, may exist and only need obtain absolute channel number, or only need obtain the situation of descending absolute channel number, those skilled in the art perform with reference to the appropriate section in the present embodiment.
By the scheme of the present embodiment, can support 36.101 agreements specify outside frequency range, relax configurable information in primary data configuration file, the application demand of each manufacturer for non-standard frequency range can be met; Frequency conversion coefficient outside supported protocol specifies, adaptability to changes is stronger, can support more multiband and frequency conversion plan; Support the mutual transfer linearity computing formula of F and EARFCN of the accurate frequency range of standard and nonstandard simultaneously, accomplish the unification of standard and nonstandard.
Embodiment three
With reference to Fig. 3, show the structured flowchart of a kind of frequency range notifying device according to the embodiment of the present application three.
The frequency range notifying device of the present embodiment comprises: the first acquisition module 302, for obtaining up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter, wherein, up absolute channel number calculating parameter comprises ascending physical signal frequency reference, up center physics frequency, up absolute channel number reference value and the first frequency conversion coefficient, and descending absolute channel number calculating parameter comprises downlink physical frequency reference, downlink center physics frequency, descending absolute channel number reference value and the second frequency conversion coefficient; Second acquisition module 304, for according to up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter, obtains corresponding up absolute channel number and/or descending absolute channel number; Notification module 306, carries the information of up absolute channel number or the information of descending absolute channel number, to notify the communications band of current use for using air-interface information.
Preferably, the second acquisition module 304, for according to up absolute channel number calculating parameter, according to up absolute channel number conversion formula: N
uL=N
uL-ref+ (F
uL– F
uL-ref)/a
1, obtain corresponding up absolute channel number, wherein, F
uLrepresent up center physics frequency, F
uL-refrepresent ascending physical signal frequency reference, a
1represent the first frequency conversion coefficient, N
uLrepresent up absolute channel number, N
uL-refrepresent up absolute channel number reference value; And/or, for according to descending absolute channel number calculating parameter, according to descending absolute channel number conversion formula: N
dL=N
dL-ref+ (F
dL-F
dL-ref)/a
2, obtain corresponding descending absolute channel number, wherein, F
dLrepresent downlink center physics frequency, F
dL-refrepresent downlink physical frequency reference, a
2represent the second frequency conversion coefficient, N
dLrepresent descending absolute channel number, N
dL-refrepresent descending absolute channel number reference value.
Preferably, the frequency range notifying device of the present embodiment also comprises: the 3rd acquisition module 308, for according to up absolute channel number reference value, up absolute channel number, ascending physical signal frequency reference and the first frequency conversion coefficient, obtains up center physics frequency; And/or, according to descending absolute channel number reference value, descending absolute channel number, downlink physical frequency reference and the second frequency conversion coefficient, obtain downlink center physics frequency.
Preferably, the 3rd acquisition module 308, for according to up absolute channel number reference value, up absolute channel number, ascending physical signal frequency reference and the first frequency conversion coefficient, according to up frequency conversion formula: F
uL=F
uL-ref+ a
1(N
uL– N
uL-ref), obtain up center physics frequency; And/or, for according to descending absolute channel number reference value, descending absolute channel number, downlink physical frequency reference and the second frequency conversion coefficient, according to descending frequency conversion formula: F
dL=F
dL-ref+ a
2(N
dL– N
dL-ref), obtain downlink center physics frequency.
Preferably, the first acquisition module 302, for receiving the up absolute channel number calculating parameter of input and/or descending absolute channel number calculating parameter by parameters input interface; Or, from the primary data configuration file of base station or terminal, obtain up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter.
It should be noted that, when calculating the uplink and downlink absolute channel number of same frequency range, and when uplink and downlink physical frequencies scope corresponding to this frequency range is identical, the first frequency conversion coefficient and the second frequency conversion coefficient get identical value.
The frequency range notifying device of the present embodiment is used for realizing corresponding frequency range notification method in aforementioned multiple embodiment of the method, and has the beneficial effect of corresponding embodiment of the method, does not repeat them here.
This application provides a kind of frequency range notification scheme, in the program, include the normative nonstandard frequency range of application and the scheme of nonstandard frequency conversion formula, to meet the specific demand used for frequency range of different vendor.For the frequency conversion formula of the application, formula Zhong F(center physics frequency) and EARFCN(absolute channel number), the value outside permission use 36.101 agreement specifies, i.e. non-standard value of frequency point.Further, by conversion coefficient fixing in original formula, variable coefficient a(and frequency conversion coefficient is expanded to), conversion formula is made to have more standby versatility, namely meet the conversion requirements of standard bands, also meet the conversion requirements of nonstandard frequency range, for practical application is provided convenience.The scheme of the application, can non-standard frequency range simultaneously beyond supported protocol specified standard frequency range and agreement, and the conversion completing physics frequency and absolute channel number quickly and easily calculates; Frequency conversion formula is accomplished the unification of standard and nonstandard standard, and supported that each parameter of conversion formula can be joined; Frequency conversion coefficient outside supported protocol specifies, to meet the demand that different vendor changes for frequency; ENodeB or terminal are accomplished to the unification on implementation, the special applications of different vendor can have been dealt with a set of software.
In addition, it should be noted that, the scheme of the application not only can be applicable to, in actual communication equipment, as in eNodeB or terminal, also be applicable to other and suitably apply, as applied in TD-LTE RF consistency test instrumentation.On the operation interface of this instrument, allow user to configure off-gauge frequency range value, physical frequencies reference value, absolute channel number reference value and frequency conversion coefficient etc., meet the user demand of manufacturer terminal for non-standard frequency range.
Further, the scheme of the application is also not limited to LTE system, and the nonstandard frequency range in the application and nonstandard frequency conversion plan can be applied to the system of other similar situation by those skilled in the art with reference to the embodiment of the present application.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For device embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
A kind of frequency range notification method provided the application above and device are described in detail, apply specific case herein to set forth the principle of the application and execution mode, the explanation of above embodiment is just for helping method and the core concept thereof of understanding the application; Meanwhile, for one of ordinary skill in the art, according to the thought of the application, all will change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the application.
Claims (6)
1. a frequency range notification method, is characterized in that, comprising:
Obtain up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter, wherein, described up absolute channel number calculating parameter comprises ascending physical signal frequency reference, up center physics frequency, up absolute channel number reference value and the first frequency conversion coefficient, and described descending absolute channel number calculating parameter comprises downlink physical frequency reference, downlink center physics frequency, descending absolute channel number reference value and the second frequency conversion coefficient;
According to described up absolute channel number calculating parameter and/or described descending absolute channel number calculating parameter, obtain corresponding up absolute channel number and/or descending absolute channel number;
Air-interface information is used to carry the information of described up absolute channel number or the information of described descending absolute channel number, to notify the communications band of current use;
The described step obtaining corresponding up absolute channel number according to up absolute channel number calculating parameter comprises: according to described up absolute channel number calculating parameter, according to up absolute channel number conversion formula: N
uL=N
uL-ref+ (F
uL– F
uL-ref)/a
1, obtain corresponding up absolute channel number, wherein, N
uLrepresent up absolute channel number, N
uL-refrepresent up absolute channel number reference value, F
uLrepresent up center physics frequency, F
uL-refrepresent ascending physical signal frequency reference, a
1represent the first frequency conversion coefficient;
The described step obtaining corresponding descending absolute channel number according to descending absolute channel number calculating parameter comprises: according to described descending absolute channel number calculating parameter, according to descending absolute channel number conversion formula: N
dL=N
dL-ref+ (F
dL– F
dL-ref)/a
2, obtain corresponding descending absolute channel number, wherein, N
dLrepresent descending absolute channel number, N
dL-refrepresent descending absolute channel number reference value, F
dLrepresent downlink center physics frequency, F
dL-refrepresent downlink physical frequency reference, a
2represent the second frequency conversion coefficient;
Wherein, the step of described acquisition up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter comprises:
The described up absolute channel number calculating parameter of input and/or described descending absolute channel number calculating parameter is received by parameters input interface; Or, from the primary data configuration file of base station or terminal, obtain described up absolute channel number calculating parameter and/or described descending absolute channel number calculating parameter.
2. method according to claim 1, is characterized in that, also comprises:
According to described up absolute channel number reference value, described up absolute channel number, described ascending physical signal frequency reference and described first frequency conversion coefficient, obtain described up center physics frequency;
And/or,
According to described descending absolute channel number reference value, described descending absolute channel number, described downlink physical frequency reference and described second frequency conversion coefficient, obtain described downlink center physics frequency.
3. method according to claim 2, is characterized in that,
Described according to described up absolute channel number reference value, described up absolute channel number, described ascending physical signal frequency reference and described first frequency conversion coefficient, the step obtaining described up center physics frequency comprises: according to described up absolute channel number reference value, described up absolute channel number, described ascending physical signal frequency reference and described first frequency conversion coefficient, according to up frequency conversion formula: F
uL=F
uL-ref+ a
1(N
uL– N
uL-ref), obtain described up center physics frequency;
Described according to described descending absolute channel number reference value, described descending absolute channel number, described downlink physical frequency reference and described second frequency conversion coefficient, the step obtaining described downlink center physics frequency comprises: according to described descending absolute channel number reference value, described descending absolute channel number, described downlink physical frequency reference and described second frequency conversion coefficient, according to descending frequency conversion formula: F
dL=F
dL-ref+ a
2(N
dL– N
dL-ref), obtain described downlink center physics frequency.
4. a frequency range notifying device, is characterized in that, comprising:
First acquisition module, for obtaining up absolute channel number calculating parameter and/or descending absolute channel number calculating parameter, wherein, described up absolute channel number calculating parameter comprises ascending physical signal frequency reference, up center physics frequency, up absolute channel number reference value and the first frequency conversion coefficient, and described descending absolute channel number calculating parameter comprises downlink physical frequency reference, downlink center physics frequency, descending absolute channel number reference value and the second frequency conversion coefficient;
Second acquisition module, for according to described up absolute channel number calculating parameter and/or described descending absolute channel number calculating parameter, obtains corresponding up absolute channel number and/or descending absolute channel number;
Notification module, carries the information of described up absolute channel number or the information of described descending absolute channel number, to notify the communications band of current use for using air-interface information;
Described second acquisition module, specifically for according to described up absolute channel number calculating parameter, according to up absolute channel number conversion formula: N
uL=N
uL-ref+ (F
uL– F
uL-ref)/a
1, obtain corresponding up absolute channel number, wherein, N
uLrepresent up absolute channel number, N
uL-refrepresent up absolute channel number reference value, F
uLrepresent up center physics frequency, F
uL-refrepresent ascending physical signal frequency reference, a
1represent the first frequency conversion coefficient; And/or, for according to described descending absolute channel number calculating parameter, according to descending absolute channel number conversion formula: N
dL=N
dL-ref+ (F
dL– F
dL-ref)/a
2, obtain corresponding descending absolute channel number, wherein, N
dLrepresent descending absolute channel number, N
dL-refrepresent descending absolute channel number reference value, F
dLrepresent downlink center physics frequency, F
dL-refrepresent downlink physical frequency reference, a
2represent the second frequency conversion coefficient;
Wherein, described first acquisition module, for receiving the described up absolute channel number calculating parameter of input and/or described descending absolute channel number calculating parameter by parameters input interface; Or, from the primary data configuration file of base station or terminal, obtain described up absolute channel number calculating parameter and/or described descending absolute channel number calculating parameter.
5. device according to claim 4, is characterized in that, also comprises:
3rd acquisition module, for according to described up absolute channel number reference value, described absolute channel number, described ascending physical signal frequency reference and described first frequency conversion coefficient, obtains described up center physics frequency; And/or, according to described descending absolute channel number reference value, described descending absolute channel number, described downlink physical frequency reference and described second frequency conversion coefficient, obtain described downlink center physics frequency.
6. device according to claim 5, it is characterized in that, described 3rd acquisition module, for according to described up absolute channel number reference value, described up absolute channel number, described ascending physical signal frequency reference and described first frequency conversion coefficient, according to up frequency conversion formula: F
uL=F
uL-ref+ a
1(N
uL– N
uL-ref), obtain described up center physics frequency; And/or, for according to described descending absolute channel number reference value, described descending absolute channel number, described downlink physical frequency reference and described second frequency conversion coefficient, according to descending frequency conversion formula: F
dL=F
dL-ref+ a
2(N
dL– N
dL-ref), obtain described downlink center physics frequency.
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| CN105451239B (en) * | 2014-08-26 | 2019-05-07 | 成都鼎桥通信技术有限公司 | The treating method and apparatus of LTE frequency range |
| CN104968022A (en) * | 2015-05-28 | 2015-10-07 | 大唐移动通信设备有限公司 | User equipment network redirecting method and system |
| CN106454972B (en) * | 2015-08-10 | 2020-04-10 | 中国移动通信集团公司 | Method and device for switching signals between same physical frequency points and different frequency point numbers |
| CN117294372B (en) * | 2023-11-23 | 2024-02-09 | 上海芯袖微电子科技有限公司 | Frequency conversion control method, device and system |
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| CN102036276A (en) * | 2010-12-28 | 2011-04-27 | 中兴通讯股份有限公司 | Method and system for synchronously using terminal supporting different frequency ranges under same cell |
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