CN117479309A

CN117479309A - Base station frequency configuration method and device, storage medium and electronic device

Info

Publication number: CN117479309A
Application number: CN202210849219.3A
Authority: CN
Inventors: 乔畅; 原亚运; 王许旭; 王斌; 吴彬
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2024-01-30

Abstract

The embodiment of the application provides a base station frequency configuration method, a device, a storage medium and an electronic device, wherein the method comprises the following steps: under the condition that the carrier information sent by the base station is determined to change, the local oscillation frequency currently used by the transceiver is obtained; determining that the local oscillation frequency meets the reconfiguration condition of the local oscillation frequency according to the carrier information after the change; and configuring the local oscillation frequency according to the calculated protection bandwidth range. By adopting the technical scheme, the problem of how to configure the frequency of the base station under the condition that the carrier information of the base station is changed in the related technology is solved.

Description

Base station frequency configuration method and device, storage medium and electronic device

Technical Field

The present invention relates to the field of communications, and in particular, to a method and apparatus for configuring a base station frequency, a storage medium, and an electronic device.

Background

The frequency radiation template in the 3GPP protocol has strict requirements on the local oscillation leakage level, however, the transceiver of the zero intermediate frequency architecture widely adopted in the industry at present cannot meet the requirements, so that the problem that the local oscillation leakage level cannot meet the requirements is generally avoided by using a method of configuring the local oscillation in a guard band of a signal. This conventional scheme can only achieve the fixation of the local oscillator within the signal guard band of one carrier in the case of a single carrier configuration. However, for the case of multiple carrier configurations, if the carrier information of the base station changes, the avoidance measures of the conventional scheme are not effective any more because the fixed local oscillator cannot be reconfigured. In order to continue to realize evading measures, only a radio frequency sampling device can be selected for evading, so that the device has limitation in terms of model selection and compatibility substitution.

Aiming at the problem of how to configure the frequency of the base station under the condition that the carrier information of the base station is changed in the related art, no effective solution is proposed at present.

Accordingly, there is a need for improvements in the related art to overcome the drawbacks of the related art.

Disclosure of Invention

The embodiment of the application provides a base station frequency configuration method, a device, a storage medium and an electronic device, which are used for at least solving the problem of how to configure the frequency of a base station under the condition that the carrier information of the base station is changed.

According to an aspect of an embodiment of the present application, there is provided a base station frequency configuration method, including: under the condition that the carrier information sent by the base station is determined to change, the local oscillation frequency currently used by the transceiver is obtained; determining that the local oscillation frequency meets the reconfiguration condition of the local oscillation frequency according to the carrier information after the change; and configuring the local oscillation frequency according to the calculated protection bandwidth range.

According to still another aspect of the embodiments of the present application, there is further provided a base station frequency configuration apparatus, including: the acquisition module is used for acquiring the local oscillation frequency currently used by the transceiver under the condition that the carrier information sent by the base station is determined to be changed; the determining module is used for determining that the local oscillation frequency meets the reconfiguration condition of the local oscillation frequency according to the carrier information after the change; and the configuration module is used for configuring the local oscillation frequency according to the calculated protection bandwidth range.

According to yet another aspect of the embodiments of the present application, there is also provided a computer readable storage medium having a computer program stored therein, wherein the computer program is configured to perform the above-described base station frequency configuration method when run.

According to still another aspect of the embodiments of the present application, there is further provided an electronic device including a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor executes the above-mentioned base station frequency configuration method through the computer program.

According to the method and the device, the local oscillation frequency currently used by the transceiver is obtained under the condition that the carrier information sent by the base station is determined to be changed; determining that the local oscillation frequency meets the reconfiguration condition of the local oscillation frequency according to the carrier information after the change; the local oscillation frequency is configured according to the calculated protection bandwidth range, so that the problem of how to configure the frequency of the base station under the condition that the carrier information of the base station is changed is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 is a hardware configuration block diagram of a computer terminal of a base station frequency configuration method of an embodiment of the present application;

fig. 2 is a flowchart of a base station frequency configuration method according to an embodiment of the present application;

fig. 3 is a flow chart of a base station frequency configuration method according to an embodiment of the present application;

fig. 4 is a schematic diagram of a guard bandwidth range according to an embodiment of the present application;

fig. 5 is a block diagram of a base station frequency configuration apparatus according to an embodiment of the present application.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The method embodiments provided in the embodiments of the present application may be executed in a computer terminal or similar computing device. Taking the example of running on a computer terminal, fig. 1 is a block diagram of the hardware structure of the computer terminal of the base station frequency configuration method according to the embodiment of the present application. As shown in fig. 1, the computer terminal may include one or more (only one is shown in fig. 1) processors 102 (the processor 102 may include, but is not limited to, a microprocessor (Microprocessor Unit, abbreviated MPU) or programmable logic device (Programmable logic device, abbreviated PLD)) and a memory 104 for storing data, and in an exemplary embodiment, the computer terminal may further include a transmission device 106 for communication functions and an input-output device 108. It will be appreciated by those skilled in the art that the configuration shown in fig. 1 is merely illustrative and is not intended to limit the configuration of the computer terminal described above. For example, a computer terminal may also include more or fewer components than shown in FIG. 1, or have a different configuration than the equivalent functions shown in FIG. 1 or more than the functions shown in FIG. 1.

The memory 104 may be used to store a computer program, for example, a software program of application software and a module, such as a computer program corresponding to a base station frequency configuration method in the embodiment of the present application, and the processor 102 executes the computer program stored in the memory 104, thereby performing various functional applications and data processing, that is, implementing the method described above. Memory 104 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory remotely located relative to the processor 102, which may be connected to the computer terminal via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.

The transmission device 106 is used to receive or transmit data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of a computer terminal. In one example, the transmission device 106 includes a network adapter (Network Interface Controller, simply referred to as NIC) that can connect to other network devices through a base station to communicate with the internet. In one example, the transmission device 106 may be a Radio Frequency (RF) module, which is configured to communicate with the internet wirelessly.

Fig. 2 is a flowchart of a method for configuring a base station frequency according to an embodiment of the present application, and as shown in fig. 2, the steps of the method include:

step S202, under the condition that the carrier information sent by a base station is determined to be changed, the local oscillation frequency currently used by a transceiver is obtained;

step S204, determining that the local oscillation frequency meets the reconfiguration condition of the local oscillation frequency according to the changed carrier information;

step S206, the local oscillation frequency is configured according to the calculated protection bandwidth range.

According to the embodiment of the application, under the condition that the carrier information sent by the base station is determined to change, the local oscillation frequency currently used by the transceiver is obtained; determining that the local oscillation frequency meets the reconfiguration condition of the local oscillation frequency according to the changed carrier information; the local oscillation frequency is configured according to the calculated protection bandwidth range, so that the problem of how to configure the frequency of the base station under the condition that the carrier information of the base station is changed is solved.

In one exemplary embodiment, various ways are proposed to determine that the carrier information sent by the base station changes, including: determining whether carrier information monitored by a base station is updated or not; and under the condition that the carrier information is updated, the carrier information sent by the base station is determined to change.

In an exemplary embodiment, in order to better understand the process of determining that the local oscillation frequency meets the reconfiguration condition according to the carrier information after the change in step S204, the following scheme is further provided, and the specific steps include: comparing the carrier frequencies in the carrier information to obtain the minimum carrier frequency and the maximum carrier frequency; determining that the local oscillation frequency meets the reconfiguration condition under the condition that a first absolute value of a difference value among the local oscillation frequency, the minimum carrier frequency and the useful signal bandwidth of the minimum carrier frequency is larger than the intermediate frequency bandwidth; or if the second absolute value of the difference between the local oscillation frequency, the maximum carrier frequency and the useful signal bandwidth of the maximum carrier frequency is determined to be larger than the intermediate frequency bandwidth, determining that the local oscillation frequency meets the reconfiguration condition.

Wherein the first formula may be used to express that the first absolute value of the difference between the local oscillation frequency, the minimum carrier frequency, and the useful signal bandwidth of the minimum carrier frequency is greater than the intermediate frequency bandwidth, and that the second absolute value of the difference between the local oscillation frequency, the maximum carrier frequency, and the useful signal bandwidth of the maximum carrier frequency is greater than the intermediate frequency bandwidth.

Under the condition that the minimum carrier frequency, the maximum carrier frequency, the local oscillation frequency and the intermediate frequency bandwidth do not meet a first formula, determining that the local oscillation frequency meets a reconfiguration condition; wherein, the first formula is as follows:

wherein LO represents local oscillation frequency, f ₀ Representing the minimum carrier frequency, f _n-1 Representing maximum carrier frequency, BW' ₀ Useful signal bandwidth, BW ", representing minimum carrier frequency" _n-1 Useful signal bandwidth, BW, representing maximum carrier frequency _IF Is the intermediate frequency bandwidth.

Optionally, in an embodiment, in a case where the minimum carrier frequency, the maximum carrier frequency, and the local oscillation frequency satisfy the first formula, it is determined that the local oscillation frequency does not satisfy the reconfiguration condition.

In an exemplary embodiment, a technical solution is also proposed: under the condition that the minimum carrier frequency, the maximum carrier frequency and the local oscillation frequency meet a first formula, determining a plurality of protection bandwidth ranges of carrier signals corresponding to the carrier frequencies; under the condition that the local oscillation frequency is determined not to belong to any protection bandwidth range in a plurality of protection bandwidth ranges, determining that the local oscillation frequency meets the reconfiguration condition; the protection bandwidth ranges of the carrier signals corresponding to the carrier frequencies are obtained according to any carrier frequency of the carrier frequencies and any carrier bandwidth of the carrier frequencies.

It should be noted that, the multiple guard bandwidth ranges of the carrier signal corresponding to the multiple carrier frequencies may be expressed as:

or->

Wherein f _i Representing any one of a plurality of carrier frequencies, BW' _i Representing any carrier bandwidth among carrier bandwidths of a plurality of carriers, BW _i Representing any carrier in the useful signal bandwidth of multiple carriersUseful signal bandwidth BW' _i The sum of the intervals between the guard bandwidths of any carrier and i is a natural number.

Wherein, as shown in FIG. 4, the useful signal bandwidth BW of any carrier of the useful signal bandwidths of the plurality of carriers " _i The sum of the interval delta between the guard bandwidth of any carrier is BW _i 。

Optionally, in an embodiment, in a case that the local oscillation frequency is determined to belong to any protection bandwidth range of the multiple protection bandwidth ranges, the local oscillation frequency is determined to not meet the reconfiguration condition.

In an exemplary embodiment, before configuring the local oscillation frequency according to the calculated protection bandwidth range, boundary values of a plurality of carriers corresponding to the plurality of carrier frequencies may also be calculated, where the boundary values include a left boundary value and a right boundary value; determining a plurality of protection bandwidth ranges corresponding to boundary values of a plurality of carriers; the calculating the boundary values of the carriers corresponding to the carrier frequencies includes: calculating a left boundary value C of the carrier corresponding to the minimum protection bandwidth range of the carrier frequency through a second formula ₀ L, and calculating the right boundary value C of the carrier corresponding to the protection bandwidth range of the maximum carrier frequency through a third formula _n-1 R; wherein, the second formula is:wherein f ₀ Representing the minimum carrier frequency, BW' represents the carrier bandwidth of any one of the plurality of carriers; the third formula is: />Wherein f _n-1 Representing the maximum carrier frequency, BW' represents the carrier bandwidth of any one of the plurality of carriers.

In an exemplary embodiment, other technical solutions for calculating the boundary value are also proposed, including: calculating boundary values of a plurality of carriers corresponding to the plurality of carrier frequencies through a fourth formula under the condition that the plurality of carrier frequencies overlap, wherein the boundary values comprise a left boundary value and a right boundary value; wherein, the fourth publicThe formula is:wherein C is _{i_r} And C _{i+1_l} Respectively representing a right boundary value and a left boundary value of the same carrier; in the case that the carrier frequencies are not overlapped, calculating the left boundary value C of the same carrier by a fifth formula _{i+1_l} And calculating the right boundary value C of the same carrier by a sixth formula _{i_r} The method comprises the steps of carrying out a first treatment on the surface of the Wherein, the fifth formula is: />Wherein f _i+1 Representing the (i+1) th carrier frequency of the plurality of carrier frequencies, BW' _i+1 Representing a carrier bandwidth of a carrier corresponding to an i+1th carrier frequency of the plurality of carrier frequencies; the sixth formula is: />Wherein f _i Representing the (i+1) th carrier frequency of the plurality of carrier frequencies, BW' _i The carrier bandwidth of the carrier corresponding to the (i+1) th carrier frequency among the plurality of carrier frequencies is represented.

In an exemplary embodiment, in order to better explain how to configure the local oscillation frequency according to the calculated protection bandwidth range in the step S206, the following technical solution is provided: combining the same values of the boundary values of the plurality of carriers corresponding to the plurality of carrier frequencies to obtain a first combination result; selecting a first carrier boundary value meeting the digital predistortion bandwidth range from the first combination result; acquiring a first number of first carrier boundary values satisfying a seventh formula if it is determined that the first carrier boundary values satisfy the seventh formula; wherein, the seventh formula is:

wherein C is _k Boundary value representing kth carrier in multiple carrier frequencies, k being natural number, f ₀ Representing the smallest carrier frequency，f _n-1 Representing maximum carrier frequency, BW' ₀ Useful signal bandwidth, BW ", representing minimum carrier frequency" _n-1 Useful signal bandwidth, BW, representing maximum carrier frequency _IF Is the intermediate frequency bandwidth;

further, in the case where it is determined that the first number is greater than the first preset value, the local oscillation frequency is configured according to a carrier frequency closest to a center frequency among the plurality of carrier frequencies.

In an exemplary embodiment, the local oscillator frequency may also be configured by an oscillation frequency provided by a digitally controlled oscillator NCO of the transceiver in case it is determined that the first number is equal to the first preset value.

Note that, if the first preset value is a natural number, for example, may be 0, then if the first number is greater than 0, the local oscillation frequency may be configured according to a carrier frequency closest to the center frequency among the plurality of carrier frequencies. In case the first number is equal to 0, i.e. the first number is 0, the local oscillator frequency may be configured by the oscillation frequency provided by the digitally controlled oscillator NCO of the transceiver.

In an exemplary embodiment, a technical solution for configuring a local oscillation frequency by using an oscillation frequency provided by a numerically controlled oscillator NCO of a transceiver is provided, including: combining the same values of the boundary values of the plurality of carriers corresponding to the plurality of carrier frequencies to obtain a second combination result; selecting a second carrier boundary value meeting the digital predistortion bandwidth range from the second combination result; acquiring a second number of second carrier boundary values satisfying the eighth formula if it is determined that the second carrier boundary values satisfy the eighth formula; wherein, the eighth formula is: c _k -f _center |≤BW _NCO The method comprises the steps of carrying out a first treatment on the surface of the Wherein C is _k Boundary value representing kth carrier in multiple carrier frequencies, k being natural number, f _center Representing the center frequencies of all carriers, BW _NCO Is the bandwidth provided by the numerically controlled oscillator NCO; determining a carrier frequency closest to a center frequency among the plurality of carrier frequencies as a local oscillation frequency when the second number is greater than a second preset value; in the event that the second number is determined to be equal to the second preset valueIn this case, the local oscillation frequency is configured according to the center frequency among the plurality of carrier frequencies.

If the second preset value is a natural number, for example, may be 0, and if the second number is greater than 0, the carrier frequency closest to the center frequency among the plurality of carrier frequencies may be determined as the local oscillation frequency. In the case where the second number is equal to 0, that is, the second number is 0, the local oscillation frequency may be configured according to the center frequency among the plurality of carrier frequencies.

The base station frequency configuration method will be further described with reference to the following embodiments. Fig. 3 is a flow chart of a base station frequency configuration method according to an embodiment of the present application; as shown in fig. 3, the flow is specifically as follows:

step S301, whether to update carrier configuration; if yes, step S302 is executed, and if no, step S304 is executed.

In one embodiment, whether the carrier configuration changes can be determined according to whether the carrier information issued by the base station has an update, and if the carrier configuration is determined to change, the following steps are entered.

Step S302, judging whether the IF exceeds the range according to the current LO; if yes, step S305 is executed, and if no, step S303 is executed.

The judging process comprises the following steps: all carriers are arranged from small to large in center frequency (f ₀ ……f _n-1 ) And selecting the lowest and highest frequency points, IF the first formula is met, determining that the current LO judges that the IF is not out of range, and performing reconfiguration on the local oscillation frequency is not needed. Otherwise, determining that the current LO judges that the IF exceeds the range, and entering a reconfiguration LO flow.

Step S303, judging whether the IF falls in the guard band according to the current LO; if yes, step S304 is executed, and if no, step S305 is executed.

In one embodiment, the carrier may be divided into a plurality of carriers (f ₀ ……f _n-1 ) And then judging whether the local oscillation frequency point LO falls in any carrier signal guard band or not.

Step S304, the LO does not need to be reconfigured.

Step S305, reconfiguration LO.

Step S306, calculating the range of all LO selectable carrier guard bands.

In one embodiment, the range of all guard bands may be calculated by calculating the boundaries (c 0 … … cn) of the respective carriers. Specific: all carriers are arranged from small to large in center frequency (f ₀ ……f _n-1 ) Determining left and right boundary values of each carrier, and calculating a left boundary value C of the carrier corresponding to the minimum protection bandwidth range of the carrier frequency through a second formula ₀ L, and calculating the right boundary value C of the carrier corresponding to the protection bandwidth range of the maximum carrier frequency through a third formula _n-1 _r。

Under the condition that a plurality of carrier frequencies overlap, calculating boundary values of a plurality of carriers corresponding to the carrier frequencies through a fourth formula, wherein the boundary values comprise a left boundary value and a right boundary value; wherein the fourth formula is:wherein C is _{i_r} And C _{i+1_l} Respectively representing a right boundary value and a left boundary value of the same carrier; in the case that the carrier frequencies are not overlapped, calculating the left boundary value C of the same carrier by a fifth formula _{i+1_l} And calculating the right boundary value C of the same carrier by a sixth formula _{i_r} The method comprises the steps of carrying out a first treatment on the surface of the Wherein, the fifth formula is: />Wherein f _i+1 Representing the (i+1) th carrier frequency of a plurality of carrier frequencies, BW _i ' ₊₁ Representing a carrier bandwidth of a carrier corresponding to an i+1th carrier frequency of the plurality of carrier frequencies; the sixth formula is: />Wherein f _i Representing the (i+1) th carrier frequency of a plurality of carrier frequencies, BW _i ' represents a carrier bandwidth of a carrier corresponding to the (i+1) th carrier frequency among the plurality of carrier frequencies.

Step S307, judging the number n of the protecting bands meeting the IF not exceeding the range; if n >0, step S308 is performed, and if n=0, step S309 is performed.

In one embodiment, the same values of the boundary values are combined and the carrier boundary value (c 0 … … cn) falling within the DPD bandwidth (equivalent to the digital predistortion bandwidth described above) is selected. And judging whether the seventh formula can be satisfied, if so, the number n of carrier boundary values satisfying the seventh formula>0, then LO is selected to be at a distance f from the multi-carrier center _center The nearest frequency bin. If n=0, then the NCO inside the transmitter (i.e., transceiver) needs to be enabled to assist in frequency shifting.

Step S308, selecting the carrier frequency of the guard band nearest to the multi-carrier center as LO.

Step S309, starting NCO.

Step S310, judging the number m of the protecting bands meeting the range of not exceeding NCO; if m >0, step S311 is performed, and if m=0, step S312 is performed.

In one embodiment, when using NCO for frequency shifting, it is desirable to select the carrier boundary (c 0 … … cn) within the DPD bandwidth that falls within. And judging whether the NCO bandwidth limit can be met or not, namely whether the eighth formula is met or not. If so, and the carrier boundary value number m of the eighth formula is satisfied>0, then LO is selected to be at a distance f from the multi-carrier center _center The nearest frequency bin. If m=0, lo can only be selected in the multi-carrier center.

Step S311, selecting the carrier frequency of the guard band nearest to the multi-carrier center as LO.

Step S312, selecting the center frequency from the multi-carrier center as LO.

Through the above embodiment, a base station frequency allocation scheme is provided, and dynamic local oscillator configuration can be realized according to different carrier configurations, so that the problem that the local oscillator leakage of the current zero intermediate frequency architecture chip cannot meet the requirements of a radiation template in a protocol can be avoided, and the base station frequency allocation scheme has certain adaptability, and when the carrier configuration changes, the system can calculate the most suitable position of the LO according to carrier information.

The present embodiment also provides a base station frequency configuration device, which is used to implement the foregoing embodiments and preferred embodiments, and is not described in detail. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. While the devices described in the following embodiments are preferably implemented in software, implementations in hardware, or a combination of software and hardware, are also possible and contemplated.

Fig. 5 is a block diagram of a base station frequency configuration apparatus according to an embodiment of the present application. As shown in fig. 5, the base station frequency configuration apparatus includes:

an obtaining module 52, configured to obtain a local oscillation frequency currently used by the transceiver when it is determined that the carrier information sent by the base station changes;

a determining module 54, configured to determine, according to the changed carrier information, that the local oscillation frequency meets a reconfiguration condition of the local oscillation frequency;

a configuration module 56, configured to configure the local oscillation frequency according to the calculated protection bandwidth range.

Through the above embodiment, the local oscillation frequency currently used by the transceiver is obtained under the condition that the carrier information sent by the base station is determined to change; determining that the local oscillation frequency meets the reconfiguration condition of the local oscillation frequency according to the changed carrier information; the local oscillation frequency is configured according to the calculated protection bandwidth range, so that the problem of how to configure the frequency of the base station under the condition that the carrier information of the base station is changed is solved.

In an exemplary embodiment, the determining module 54 is further configured to determine whether the carrier information monitored by the base station is updated; and under the condition that the carrier information is updated, the carrier information sent by the base station is determined to change.

In an exemplary embodiment, the determining module 54 is further configured to compare carrier frequencies in the carrier information to obtain a minimum carrier frequency and a maximum carrier frequency; determining that the local oscillation frequency meets the reconfiguration condition under the condition that a first absolute value of a difference value among the local oscillation frequency, the minimum carrier frequency and the useful signal bandwidth of the minimum carrier frequency is larger than the intermediate frequency bandwidth; or if the second absolute value of the difference between the local oscillation frequency, the maximum carrier frequency and the useful signal bandwidth of the maximum carrier frequency is determined to be larger than the intermediate frequency bandwidth, determining that the local oscillation frequency meets the reconfiguration condition.

In an exemplary embodiment, the determining module 54 is further configured to determine a plurality of protection bandwidth ranges of carrier signals corresponding to a plurality of carrier frequencies if the minimum carrier frequency, the maximum carrier frequency, and the local oscillation frequency satisfy a first formula; under the condition that the local oscillation frequency is determined not to belong to any protection bandwidth range in a plurality of protection bandwidth ranges, determining that the local oscillation frequency meets the reconfiguration condition; the protection bandwidth ranges of the carrier signals corresponding to the carrier frequencies are obtained according to any carrier frequency of the carrier frequencies and any carrier bandwidth of the carrier frequencies.

or->

Wherein f _i Representing any one of a plurality of carrier frequencies, BW' _i Representing any carrier bandwidth among carrier bandwidths of a plurality of carriers, BW _i Useful signal bandwidth BW "representing any one of useful signal bandwidths of a plurality of carriers" _i The sum of the intervals between the guard bandwidths of any carrier and i is a natural number.

In an exemplary embodiment, the configuration module 56 is further configured to calculate boundary values of a plurality of carriers corresponding to the plurality of carrier frequencies, where the boundary values include a left boundary value and a right boundary value; determining a plurality of protection bandwidth ranges corresponding to boundary values of a plurality of carriers; the calculating the boundary values of the carriers corresponding to the carrier frequencies includes: calculating a left boundary value C of the carrier corresponding to the minimum protection bandwidth range of the carrier frequency through a second formula ₀ L, and calculating the right boundary value C of the carrier corresponding to the protection bandwidth range of the maximum carrier frequency through a third formula _n-1 R; wherein, the second formula is:wherein f ₀ Representing the minimum carrier frequency, BW' represents the carrier bandwidth of any one of the plurality of carriers; the third formula is: />Wherein f _n-1 Representing the maximum carrier frequency, BW' represents the carrier bandwidth of any one of the plurality of carriers.

In an exemplary embodiment, the configuration module 56 is further configured to calculate, by a fourth formula, boundary values of a plurality of carriers corresponding to the plurality of carrier frequencies, where the boundary values include a left boundary value and a right boundary value;wherein the fourth formula is:wherein C is _{i_r} And C _{i+1_l} Respectively representing a right boundary value and a left boundary value of the same carrier; in the case that the carrier frequencies are not overlapped, calculating the left boundary value C of the same carrier by a fifth formula _{i+1_l} And calculating the right boundary value C of the same carrier by a sixth formula _{i_r} The method comprises the steps of carrying out a first treatment on the surface of the Wherein, the fifth formula is: />Wherein f _i+1 Representing the (i+1) th carrier frequency of the plurality of carrier frequencies, BW' _i+1 Representing a carrier bandwidth of a carrier corresponding to an i+1th carrier frequency of the plurality of carrier frequencies; the sixth formula is: />Wherein f _i Representing the (i+1) th carrier frequency of a plurality of carrier frequencies, BW _i ' represents a carrier bandwidth of a carrier corresponding to the (i+1) th carrier frequency among the plurality of carrier frequencies.

In an exemplary embodiment, the configuration module 56 is further configured to combine the same values of the boundary values of the multiple carriers corresponding to the multiple carrier frequencies to obtain a first combination result; selecting a first carrier boundary value meeting the digital predistortion bandwidth range from the first combination result; acquiring a first number of first carrier boundary values satisfying a seventh formula if it is determined that the first carrier boundary values satisfy the seventh formula; wherein, the seventh formula is:

wherein C is _k Boundary value representing kth carrier in multiple carrier frequencies, k being natural number, f ₀ Representing the minimum carrier frequency, f _n-1 Representing maximum carrier frequency, BW' ₀ Useful signal band representing minimum carrier frequencyWide BW' _n-1 Useful signal bandwidth, BW, representing maximum carrier frequency _IF Is the intermediate frequency bandwidth;

further, the configuration module 56 is further configured to configure the local oscillation frequency according to a carrier frequency closest to a center frequency among the plurality of carrier frequencies if the first number is determined to be greater than the first preset value.

In an exemplary embodiment, the configuration module 56 is further configured to configure the local oscillator frequency by an oscillation frequency provided by a digitally controlled oscillator NCO of the transceiver if the first number is determined to be equal to a first preset value.

In an exemplary embodiment, the configuration module 56 is further configured to combine the same values of the boundary values of the multiple carriers corresponding to the multiple carrier frequencies to obtain a second combination result; selecting a second carrier boundary value meeting the digital predistortion bandwidth range from the second combination result; acquiring a second number of second carrier boundary values satisfying the eighth formula if it is determined that the second carrier boundary values satisfy the eighth formula; wherein, the eighth formula is: c _k -f _center |≤BW _NCO The method comprises the steps of carrying out a first treatment on the surface of the Wherein C is _k Boundary value representing kth carrier in multiple carrier frequencies, k being natural number, f _center Representing the center frequencies of all carriers, BW _NCO Is the bandwidth provided by the numerically controlled oscillator NCO; determining a carrier frequency closest to a center frequency among the plurality of carrier frequencies as a local oscillation frequency when the second number is greater than a second preset value; and under the condition that the second number is equal to a second preset value, configuring the local oscillation frequency according to the center frequency in the carrier frequencies.

From the description of the above embodiments, it will be clear to a person skilled in the art that the method according to the above embodiments may be implemented by means of software plus the necessary general hardware platform, but of course also by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a readable storage medium (such as ROM/RAM, magnetic disk, optical disk) comprising several instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method of the embodiments of the present application.

In one exemplary embodiment, the computer readable storage medium may include, but is not limited to: a usb disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing a computer program.

Specific examples in this embodiment may refer to the examples described in the foregoing embodiments and the exemplary implementation, and this embodiment is not described herein.

Embodiments of the present application also provide an electronic device comprising a memory having a computer program stored therein and a processor arranged to run the computer program to perform the steps of any of the method embodiments described above.

Alternatively, in the present embodiment, the above-described processor may be configured to execute the following steps by a computer program:

s1, under the condition that the carrier information sent by a base station is determined to change, acquiring the local oscillation frequency currently used by a transceiver;

s2, determining that the local oscillation frequency meets the reconfiguration condition of the local oscillation frequency according to the changed carrier information;

s3, configuring local oscillation frequency according to the calculated protection bandwidth range.

In an exemplary embodiment, the electronic apparatus may further include a transmission device connected to the processor, and an input/output device connected to the processor.

It will be appreciated by those skilled in the art that the modules or steps of the application described above may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, they may be implemented in program code executable by computing devices, so that they may be stored in a storage device for execution by computing devices, and in some cases, the steps shown or described may be performed in a different order than that shown or described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple modules or steps of them may be fabricated into a single integrated circuit module. Thus, the present application is not limited to any specific combination of hardware and software.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the principles of the present application should be included in the protection scope of the present application.

Claims

1. A method for configuring a frequency of a base station, comprising:

under the condition that the carrier information sent by the base station is determined to change, the local oscillation frequency currently used by the transceiver is obtained;

determining that the local oscillation frequency meets the reconfiguration condition of the local oscillation frequency according to the carrier information after the change;

and configuring the local oscillation frequency according to the calculated protection bandwidth range.

2. The base station frequency allocation method according to claim 1, wherein the change of the carrier information transmitted by the base station is determined by:

determining whether the carrier information monitored by the base station is updated or not;

and under the condition that the carrier information is updated, the carrier information sent by the base station is determined to change.

3. The base station frequency allocation method according to claim 1, wherein determining that the local oscillator frequency satisfies a reconfiguration condition based on the carrier information after the change includes:

comparing the carrier frequencies in the carrier information to obtain the minimum carrier frequency and the maximum carrier frequency;

determining that the local oscillation frequency meets a reconfiguration condition under the condition that a first absolute value of a difference value among the local oscillation frequency, the minimum carrier frequency and the useful signal bandwidth of the minimum carrier frequency is larger than an intermediate frequency bandwidth;

or if the second absolute value of the difference value among the local oscillation frequency, the maximum carrier frequency and the maximum useful signal bandwidth of the carrier frequency is determined to be larger than the intermediate frequency bandwidth, determining that the local oscillation frequency meets the reconfiguration condition.

4. A base station frequency configuration method according to claim 3, characterized in that the method further comprises:

determining a plurality of protection bandwidth ranges of carrier signals corresponding to a plurality of carrier frequencies under the condition that a first absolute value of a difference value among the local oscillator frequency, the minimum carrier frequency and the useful signal bandwidth of the minimum carrier frequency is not larger than an intermediate frequency bandwidth or a second absolute value of a difference value among the local oscillator frequency, the maximum carrier frequency and the useful signal bandwidth of the maximum carrier frequency is not larger than the intermediate frequency bandwidth;

under the condition that the local oscillation frequency is determined not to belong to any protection bandwidth range in the plurality of protection bandwidth ranges, determining that the local oscillation frequency meets a reconfiguration condition;

the multiple protection bandwidth ranges of the carrier signals corresponding to the multiple carrier frequencies are obtained according to any carrier frequency of the multiple carrier frequencies and any carrier bandwidth of the multiple carrier frequencies.

5. The base station frequency configuration method according to claim 3 or 4, characterized in that before configuring the local oscillator frequency according to the calculated guard bandwidth range, the method further comprises:

calculating boundary values of a plurality of carriers corresponding to the carrier frequencies, wherein the boundary values comprise a left boundary value and a right boundary value;

determining a plurality of protection bandwidth ranges corresponding to boundary values of the plurality of carriers;

the calculating the boundary values of the carriers corresponding to the carrier frequencies comprises the following steps:

calculating a left boundary value C of the carrier corresponding to the minimum protection bandwidth range of the carrier frequency through a second formula ₀ L, and calculating the right boundary value C of the carrier corresponding to the protection bandwidth range of the maximum carrier frequency according to a third formula _n-1 _r；

Wherein the second formula is:

wherein f ₀ Representing the minimum carrier frequency, BW' representing a carrier bandwidth of any one of the plurality of carriers;

the third formula is:

wherein f _n-1 Representing the maximum carrier frequency, BW' represents the carrier bandwidth of any one of the plurality of carriers.

6. The base station frequency configuration method according to claim 3 or 4, characterized in that the method further comprises:

calculating boundary values of a plurality of carriers corresponding to the carrier frequencies through a fourth formula under the condition that the carrier frequencies overlap, wherein the boundary values comprise a left boundary value and a right boundary value;

wherein the fourth formula is:

wherein C is _{i_r} And C _{i+1_l} Respectively representing a right boundary value and a left boundary value of the same carrier;

calculating a left boundary value C of the same carrier by a fifth formula under the condition that the carrier frequencies are not overlapped _{i+1_l} And calculating the right boundary value C of the same carrier by a sixth formula _{i_r} ；

Wherein the fifth formula is:

wherein f _i+1 Represents the (i+1) th carrier frequency, BW, of the plurality of carrier frequencies _i ' ₊₁ Representing carrier bandwidths of carriers corresponding to the (i+1) th carrier frequency in the carrier frequencies;

the sixth formula is:

wherein f _i Represents the (i+1) th carrier frequency, BW, of the plurality of carrier frequencies _i ' represents a carrier bandwidth of a carrier corresponding to the (i+1) th carrier frequency among the plurality of carrier frequencies.

7. The base station frequency configuration method according to claim 6, wherein configuring the local oscillator frequency according to the calculated guard bandwidth range comprises:

combining the same values of the boundary values of the plurality of carriers corresponding to the carrier frequencies to obtain a first combination result;

selecting a first carrier boundary value meeting the digital predistortion bandwidth range from the first combination result;

acquiring a first number of first carrier boundary values meeting a seventh formula under the condition that the first carrier boundary values meet the seventh formula;

wherein the seventh formula is:

wherein C is _k Represents the boundary value of the kth carrier in the carrier frequencies, k is a natural number, f ₀ Representing the minimum carrier frequency, f _n-1 Representing the maximum carrier frequency, BW' ₀ Useful signal bandwidth, BW ", representing the minimum carrier frequency" _n-1 Useful signal bandwidth, BW, representing the maximum carrier frequency _IF Is the intermediate frequency bandwidth;

and under the condition that the first quantity is determined to be larger than a first preset value, configuring the local oscillation frequency according to the carrier frequency nearest to the center frequency in the carrier frequencies.

8. The base station frequency configuration method of claim 7, further comprising:

and under the condition that the first quantity is equal to the first preset value, configuring the local oscillation frequency through the oscillation frequency provided by a digital control oscillator NCO of the transceiver.

9. The base station frequency configuration method according to claim 8, wherein configuring the local oscillator frequency by an oscillation frequency provided by a digitally controlled oscillator NCO of the transceiver comprises:

combining the same values of the boundary values of the plurality of carriers corresponding to the carrier frequencies to obtain a second combination result;

selecting a second carrier boundary value meeting the digital predistortion bandwidth range from the second combination result;

acquiring a second number of second carrier boundary values satisfying an eighth formula if it is determined that the second carrier boundary values satisfy the eighth formula;

wherein the eighth formula is:

|C _k -f _center |≤BW _NCO ；

wherein C is _k Represents the boundary value of the kth carrier in the carrier frequencies, k is a natural number, f _center Representing the center frequencies of all carriers, BW _NCO Is the bandwidth provided by the digitally controlled oscillator NCO;

determining a carrier frequency closest to a center frequency among the plurality of carrier frequencies as the local oscillation frequency when the second number is greater than a second preset value;

and under the condition that the second number is equal to the second preset value, configuring the local oscillation frequency according to the center frequency in the carrier frequencies.

10. A base station frequency allocation apparatus, comprising:

the acquisition module is used for acquiring the local oscillation frequency currently used by the transceiver under the condition that the carrier information sent by the base station is determined to be changed;

the determining module is used for determining that the local oscillation frequency meets the reconfiguration condition of the local oscillation frequency according to the carrier information after the change;

and the configuration module is used for configuring the local oscillation frequency according to the calculated protection bandwidth range.

11. A computer-readable storage medium, characterized in that the storage medium has stored therein a computer program, wherein the computer program is arranged to execute the method of any of the claims 1 to 9 when run.

12. An electronic device comprising a memory and a processor, the memory having stored therein a computer program, the processor being arranged to perform the method of any of claims 1 to 9 by means of the computer program.