CN113271619A - ACPR test method, device, system, electronic equipment and storage medium - Google Patents

ACPR test method, device, system, electronic equipment and storage medium Download PDF

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CN113271619A
CN113271619A CN202010096954.2A CN202010096954A CN113271619A CN 113271619 A CN113271619 A CN 113271619A CN 202010096954 A CN202010096954 A CN 202010096954A CN 113271619 A CN113271619 A CN 113271619A
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channel
adjacent
carrier power
frequency band
acpr
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CN113271619B (en
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何畔畔
王莉
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Shanghai Ultimate Power Communications Technology Co Ltd
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Shanghai Ultimate Power Communications Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/354—Adjacent channel leakage power
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention provides an ACPR testing method, a device, a system, electronic equipment and a storage medium, wherein when data are transmitted through a testing channel to be tested in an ARU or RRU, carrier power of a first reference channel, a second reference channel, a first adjacent channel and a second adjacent channel is respectively obtained, and ACPR of the testing channel is determined through the obtained carrier power, wherein the bandwidth of a frequency band supported by the first reference channel is different from the bandwidth of a frequency band supported by the second reference channel. For the test channel of the asymmetric carrier, a reference channel does not need to be set twice, and the frequency spectrograph does not need to be adjusted for many times, so that the operation flow of the test is simplified, the test time is shortened, the test cost is reduced, and the frequency spectrograph does not need to be adjusted frequently, thereby being beneficial to keeping the frequency spectrograph in a stable state and improving the test success rate.

Description

ACPR test method, device, system, electronic equipment and storage medium
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an ACPR testing method, apparatus, system, electronic device, and storage medium.
Background
ACPR (Adjacent-Channel Power Rejection) is a criterion used to measure the amount of interference or Power in Adjacent frequency channels. In general, in order to ensure the signal transmission quality and reduce the signal leakage to the adjacent channel, the ACPR of the base station equipment needs to be tested. When the ACPR is greater than the set standard, hardware of the base station device needs to be adjusted to reduce ACPR indicators and ensure signal transmission quality. In general, a reference channel needs to be set in the process of testing an ACPR index, for example, an ACPR measurement mode of a spectrometer is selected, a time slot is set, an external trigger synchronization signal is set, and the like during testing, and then an ACPR test is completed by analyzing an output radio frequency signal through a template of the spectrometer.
However, when the ACPR test is performed on an asymmetric carrier, the reference channel needs to be set twice, and the template needs to be selected twice. For example, in the case of a large number of 5G (5th Generation Mobile Communication System) device channels, if two reference channels are provided, the test time is prolonged, and the test is not suitable for popularization in a production line, and the state of the meter is unstable due to multiple table settings, which increases the risk of test failure.
Therefore, the conventional ACPR testing method is complex in operation, high in testing cost and high in risk of testing failure.
Disclosure of Invention
Embodiments of the present invention provide an ACPR testing method, apparatus, system, electronic device, and storage medium, to solve the problems in the prior art that an ACPR testing method is complex in operation, high in testing cost, and high in risk of testing failure.
In view of the above technical problems, in a first aspect, an embodiment of the present invention provides a method for testing adjacent channel power ratio ACPR, including:
determining a first adjacent channel and a second adjacent channel according to a target frequency band where a test channel is located for any one test channel to be tested in an Active Replaceable Unit (ARU) or a Radio Remote Unit (RRU), and determining a first reference channel adjacent to or next adjacent to the first adjacent channel in the target frequency band and a second reference channel adjacent to or next adjacent to the second adjacent channel in the target frequency band;
acquiring a first carrier power of the first reference channel, a second carrier power of the second reference channel, a third carrier power of the first adjacent channel and a fourth carrier power of the second adjacent channel when data are transmitted through the test channel;
determining the ACPR of the test channel according to the first carrier power, the second carrier power, the third carrier power and the fourth carrier power;
wherein the bandwidth of the frequency band supported by the first reference channel is different from the bandwidth of the frequency band supported by the second reference channel; the first adjacent channel is a channel which is adjacent to and/or next adjacent to the target frequency band in the frequency reduction direction and supported by the frequency band; the second adjacent channel is a channel in which a supported frequency band is adjacent to and/or next adjacent to the target frequency band in the direction of increasing frequency.
In a second aspect, an embodiment of the present invention provides an ACPR testing apparatus, including:
a first determining module, configured to determine, for any test channel to be tested in an Active Replaceable Unit (ARU) or a Radio Remote Unit (RRU), a first adjacent channel and a second adjacent channel according to a target frequency band where the test channel is located, and determine a first reference channel adjacent to or next adjacent to the first adjacent channel in the target frequency band, and a second reference channel adjacent to or next adjacent to the second adjacent channel in the target frequency band;
an obtaining module, configured to obtain a first carrier power of the first reference channel, a second carrier power of the second reference channel, a third carrier power of the first adjacent channel, and a fourth carrier power of the second adjacent channel when data is transmitted through the test channel;
a second determining module, configured to determine an ACPR of the test channel according to the first carrier power, the second carrier power, the third carrier power, and the fourth carrier power;
wherein the bandwidth of the frequency band supported by the first reference channel is different from the bandwidth of the frequency band supported by the second reference channel; the first adjacent channel is a channel which is adjacent to and/or next adjacent to the target frequency band in the frequency reduction direction and supported by the frequency band; the second adjacent channel is a channel in which a supported frequency band is adjacent to and/or next adjacent to the target frequency band in the direction of increasing frequency.
In a third aspect, an embodiment of the present invention provides an ACPR test system, including a matrix switch, a spectrometer, and a test device;
the matrix switch is used for switching the channel in the ARU or the RRU to a test channel which needs to be tested currently;
the frequency spectrograph is used for measuring a first carrier power of a first reference channel, a second carrier power of a second reference channel, a third carrier power of a first adjacent channel and a fourth carrier power of a second adjacent channel when data are transmitted through the test channel;
the test equipment is used for executing the ACPR test method;
the first adjacent channel is a channel which is adjacent to and/or next adjacent to a target frequency band where the supported frequency band and the test channel are located in the direction of reducing the frequency; the second adjacent channel is a channel which is adjacent to and/or next adjacent to the target frequency band in the frequency increasing direction and supported by the frequency band; the first reference channel is a channel adjacent to or next adjacent to the first adjacent channel in the target frequency band; the second reference channel is a channel adjacent to or next adjacent to the second adjacent channel in the target frequency band.
In a fourth aspect, an embodiment of the present invention provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the above-described steps of the ACPR testing method when executing the program.
In a fifth aspect, an embodiment of the present invention provides a non-transitory readable storage medium, on which a computer program is stored, which when executed by a processor, implements the steps of the ACPR testing method described in any one of the above.
Embodiments of the present invention provide an ACPR test method, apparatus, system, electronic device, and storage medium, where carrier powers of a first reference channel, a second reference channel, a first adjacent channel, and a second adjacent channel when data is transmitted through a test channel of any one of an ARU or an RRU to be tested are respectively obtained, and ACPR of the test channel is determined according to the obtained carrier powers, where a bandwidth of a frequency band supported by the first reference channel is different from a bandwidth of a frequency band supported by the second reference channel. For the test channel of the asymmetric carrier, a reference channel does not need to be set twice, and the frequency spectrograph does not need to be adjusted for many times, so that the operation flow of the test is simplified, the test time is shortened, the test cost is reduced, and the frequency spectrograph does not need to be adjusted frequently, thereby being beneficial to keeping the frequency spectrograph in a stable state and improving the test success rate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of an asymmetric carrier with a bandwidth of 160M according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating an ACPR testing method according to another embodiment of the present invention;
fig. 3 is a schematic diagram of a spectrum carrier of an N41 frequency band according to another embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating an ACPR testing procedure according to another embodiment of the present invention;
FIG. 5 is a block diagram of an ACPR testing apparatus according to another embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating the operation of an ACPR testing system according to another embodiment of the present invention;
fig. 7 is a physical structure diagram of an electronic device according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The asymmetric carrier means that the frequency bands supported by the first channel and the last channel determined have different bandwidths according to the direction of increasing frequency or the direction of decreasing frequency in the frequency band in which the channel is located. For example, for an N41 frequency band (frequency range of 2515MHz to 2675MHz) where a certain channel is located, not only communication based on NR (New Radio, New air interface) but also communication based on LTE (Long Term Evolution) is supported. The bandwidth supported by the channel in the N41 frequency band may include the following 3 cases: (1)1 x 100mhz (nr) +3 x 20mhz (lte); (2)1 x 100MHz (NR) +1 x NR60MHz (NR); (3)1 x 80MHz (NR) +4 x NR20MHz (LTE).
Fig. 1 is a schematic diagram of an asymmetric carrier with a bandwidth of 160M according to this embodiment, where the bandwidth supported by the channel in the N41 frequency band is the above case (1), and includes one channel with a bandwidth of 100MHz based on NR and 3 channels with a bandwidth of 20MHz based on LTE. When the ACPR test is performed on a channel passing through the N41 frequency band, because a channel in the N41 frequency band belongs to an asymmetric carrier, two reference channels need to be selected, which are a leftmost channel with a bandwidth of 100MHz and a rightmost channel with a bandwidth of 20MHz in the N41 frequency band in fig. 1. It can be seen that in the existing method, if the ACPR of the channel corresponding to the N41 frequency band needs to be tested, the reference channel needs to be set for the spectrometer twice, the operation process is troublesome, and frequent setting of the instrument easily causes unstable operation of the instrument, which affects the test accuracy. To solve this problem, fig. 2 is a schematic flow chart of the ACPR testing method provided in this embodiment, where the method is executed by any device, such as a computer, a server, and the like, and this embodiment is not limited in this respect. During the test, the device may be connected to a test device (e.g., a spectrometer) capable of testing the carrier power of the channels, and the carrier power tested for each channel is obtained by the test device. Referring to fig. 2, the method comprises the steps of:
step 201: determining a first adjacent channel and a second adjacent channel according to a target frequency band where a test channel is located for any one of an Active Replaceable Unit (ARU) or a Remote Radio Unit (RRU) to be tested, and determining a first reference channel adjacent to or next adjacent to the first adjacent channel in the target frequency band and a second reference channel adjacent to or next adjacent to the second adjacent channel in the target frequency band; wherein the bandwidth of the frequency band supported by the first reference channel is different from the bandwidth of the frequency band supported by the second reference channel; the first adjacent channel is a channel which is adjacent to and/or next adjacent to the target frequency band in the frequency reduction direction and supported by the frequency band; the second adjacent channel is a channel in which a supported frequency band is adjacent to and/or next adjacent to the target frequency band in the direction of increasing frequency.
In the 5G communication system, an ARU (Active Replaceable Unit) refers to a structure in which an Antenna Unit is not mounted in an AAU (Active Antenna Unit). The ARU includes channels for connection to the antenna units. The method provided by this embodiment can perform ACPR test on a channel in an rau or a RRU in a 4G (4th Generation Mobile Communication System) Communication System.
The target frequency band is the frequency band of any test channel in the ARU, and the frequency band may be the frequency band of an asymmetric carrier as shown in the N41 frequency band in fig. 1. Referring to fig. 1, the first adjacent channel is a channel (e.g., left adjacent channel 1ADJ of the N41 band) and/or a second adjacent channel (e.g., left adjacent channel 1Alt1 of the N41 band) of a supported frequency band adjacent to the target frequency band in a direction of decreasing frequency. The second adjacent channel is a channel adjacent to the target frequency band in the supported frequency band in the direction of increasing frequency (e.g. the right adjacent channel rADJ of the N41 frequency band), and/or a second adjacent channel (e.g. the left adjacent channel rAlt1 of the N41 frequency band). A channel closest to a first adjacent channel of the target frequency band is selected as a first reference channel (e.g., TX1 in the N41 band), and a channel closest to a second adjacent channel of the target frequency band is selected as a second reference channel (e.g., TX4 in the N41 band).
Step 202: and acquiring the first carrier power of the first reference channel, the second carrier power of the second reference channel, the third carrier power of the first adjacent channel and the fourth carrier power of the second adjacent channel when data is transmitted through the test channel.
This step may obtain the carrier power of the channel through a test device that tests the carrier power of the channel, for example, obtain the carrier power of each channel tested by a spectrometer.
The carrier power of the channel is equal to the power integral of each carrier in the frequency band supported by the channel when data is transmitted through the channel.
Step 203: and determining the ACPR of the test channel according to the first carrier power, the second carrier power, the third carrier power and the fourth carrier power.
Because the bandwidths of TX1 and TX4 are different (the bandwidth of TX1 is 100MHz, and the bandwidth of TX4 is 20MHz), if the ACPR of the channel corresponding to the N41 frequency band is tested by the conventional method, two reference channels need to be set for the spectrometer, the operation is complex, frequent setting of the spectrometer easily causes instability of the spectrometer, and the accuracy of the test result is affected. The method provided by the embodiment directly obtains the first carrier power of the first reference channel, the second carrier power of the second reference channel, the third carrier power of the first adjacent channel and the fourth carrier power of the second adjacent channel, and further determines the ACPR of the test channel through calculation, without frequent setting of the spectrometer, so that the method is simple to operate, improves the stability of the spectrometer, and increases the accuracy of the test result.
The present embodiment provides an ACPR testing method, an apparatus, a system, an electronic device, and a storage medium, where carrier powers of a first reference channel, a second reference channel, a first adjacent channel, and a second adjacent channel when data is transmitted through a test channel in an ARU or an RRU are respectively obtained, and ACPR of the test channel is determined according to the obtained carrier powers, where a bandwidth of a frequency band supported by the first reference channel is different from a bandwidth of a frequency band supported by the second reference channel. For the test channel of the asymmetric carrier, a reference channel does not need to be set twice, and the frequency spectrograph does not need to be adjusted for many times, so that the operation flow of the test is simplified, the test time is shortened, the test cost is reduced, and the frequency spectrograph does not need to be adjusted frequently, thereby being beneficial to keeping the frequency spectrograph in a stable state and improving the test success rate.
Further, on the basis of the above embodiment, the method further includes:
when data is transmitted through the test channel, controlling a frequency spectrograph to measure a first carrier power of the first reference channel, a second carrier power of the second reference channel, a third carrier power of the first adjacent channel and a fourth carrier power of the second adjacent channel;
when the spectrometer transmits data through the test channel, determining the first carrier power according to the power of data transmission of each carrier in the frequency band supported by the first reference channel, determining the second carrier power according to the power of data transmission of each carrier in the frequency band supported by the second reference channel, determining the third carrier power according to the power of data transmission of each carrier in the frequency band supported by the first adjacent channel, and determining the fourth carrier power according to the power of data transmission of each carrier in the frequency band supported by the second adjacent channel.
Setting a frequency spectrograph so that the frequency spectrograph measures a first carrier power of the first reference channel, a second carrier power of the second reference channel, a third carrier power of the first adjacent channel and a fourth carrier power of the second adjacent channel when data is transmitted through the test channel.
When data is transmitted through the test channel, the spectrometer integrates the power of each carrier in the frequency band supported by the first reference channel to obtain the power of the first carrier, integrates the power of each carrier in the frequency band supported by the second reference channel to obtain the power of the second carrier, integrates the power of each carrier in the frequency band supported by the first adjacent channel to obtain the power of the third carrier, and integrates the power of each carrier in the frequency band supported by the second adjacent channel to obtain the power of the fourth carrier.
Wherein, setting up the frequency spectrograph includes: resetting the spectrometer, selecting the test mode of the spectrometer as an ACPR mode, selecting an EUTRA (Evolved-UMTS Terrestrial Radio Access, namely Universal Mobile communications System) control (specifically, an item of 'EUTRA/LTE Square' can be selected), setting the number of carriers, setting the number of adjacent channels, setting the carrier useful bandwidth (namely, the bandwidth of a reference channel) and the ADJ bandwidth (namely, the adjacent channel bandwidth), setting the ALT bandwidth (namely, the bandwidth of a next adjacent channel), setting the reference power as absolute power, setting a trigger source, setting a test bandwidth, setting a time slot, setting a display bandwidth of the spectrometer, setting an analysis bandwidth of the spectrometer, setting internal attenuation of the spectrometer, setting a reference level, setting a scanning time, setting a detection type, setting noise calibration, and setting the center frequency point of the spectrometer.
The following provides a setup procedure for the spectrometer when the N41 frequency band is used as the target frequency band for the test channel:
fig. 3 is a schematic diagram of a spectrum carrier of an N41 frequency band provided in this embodiment, and referring to the frequencies of the frequency bands supported by each channel shown in fig. 3, a setting process for a spectrometer specifically includes:
setting the center frequency point of the frequency spectrograph to be 2635MHz and the bandwidth to be 638MHz, and setting the frequency spectrograph to be in a mode of testing ACPR;
the signal bandwidth configuration is 1 NR carrier of 100M and 3 LTE of 20M, and the number of test carriers is set to 4 (because the carriers on both sides are asymmetric, ACPR index is to test the left adjacent channel and the left adjacent channel of the 100M signal, and the right adjacent channel of the rightmost 20M signal, the number of adjacent channels is set to 4);
the channel integration bandwidth, carrier gap and name are set as per table 1.
Table 1 setting table of asymmetric carrier setting channel
Figure BDA0002385731800000081
In this embodiment, the carrier powers of the first reference channel, the second reference channel, the first adjacent channel, and the second adjacent channel are obtained by the frequency spectrograph, and the obtaining process is simple and is convenient to popularize and implement.
Further, on the basis of the foregoing embodiments, the determining the ACPR of the test channel according to the first carrier power, the second carrier power, the third carrier power, and the fourth carrier power includes:
if the first adjacent channel is a channel adjacent to the target frequency band in the supported frequency band in the direction of decreasing frequency (i.e., the first adjacent channel is a left adjacent channel, for example, the left adjacent channel 1ADJ of the N41 frequency band), determining a left adjacent channel ACPR according to the third carrier power and the first carrier power;
if the first adjacent channel is a channel which is next adjacent to the target frequency band in the supported frequency band in the direction of reducing the frequency (i.e. the first adjacent channel is a left adjacent channel, for example, the left adjacent channel 1Alt1 of the N41 frequency band), determining a left adjacent channel ACPR according to the third carrier power and the first carrier power;
if the second adjacent channel is a channel adjacent to the target frequency band in the supported frequency band in the direction of increasing the frequency (i.e., the first adjacent channel is a right adjacent channel, for example, the right adjacent channel raddj of the N41 frequency band), determining a right adjacent channel ACPR according to the fourth carrier power and the second carrier power;
if the second adjacent channel is a channel which is next adjacent to the target frequency band in the supported frequency band in the direction of increasing the frequency (i.e. the first adjacent channel is a right adjacent channel, for example, the right adjacent channel rAlt1 of the N41 frequency band), determining a right adjacent channel ACPR according to the fourth carrier power and the second carrier power;
and taking the determined left adjacent channel ACPR, left next adjacent channel ACPR, right adjacent channel ACPR and/or right next adjacent channel ACPR as the ACPR of the test channel.
It should be noted that the third carrier power and the first carrier power may be calculated according to a set calculation method to determine the left adjacent channel ACPR or the left next adjacent channel ACPR. The fourth carrier power and the second carrier power may be calculated according to a set calculation manner to determine the right adjacent channel ACPR or the right next adjacent channel ACPR, where a specific calculation manner is not specifically limited in this embodiment. For example, the carrier power may be expressed in watts (w) or dBm. When the carrier power is expressed in different units, the calculation modes for calculating the left adjacent channel ACPR or the left adjacent channel ACPR and calculating the right adjacent channel ACPR or the right adjacent channel ACPR are different.
In this embodiment, the determination of the left adjacent channel ACPR or the left next adjacent channel ACPR is achieved by the third carrier power and the first carrier power, and the determination of the right adjacent channel ACPR or the right next adjacent channel ACPR is achieved by the fourth carrier power and the second carrier power.
Specifically, when the first carrier power PTx1The second carrier power PTx4The third carrier power (P)lADJOr PlAlt1) And said fourth carrier power (P)rADJOr PrAlt1) When the carrier power is expressed in decibel (dBm) as a unit, determining the left adjacent channel ACPR or the left next adjacent channel ACPR according to the difference between the third carrier power and the first carrier power, and determining the right adjacent channel ACPR or the right next adjacent channel ACPR according to the difference between the fourth carrier power and the second carrier power.
Further, on the basis of the foregoing embodiments, if the first adjacent channel is a channel whose frequency band is supported by the first adjacent channel in the direction of decreasing frequency and is adjacent to the target frequency band, the determining a left adjacent channel ACPR according to the third carrier power and the first carrier power specifically includes: taking the difference between the third carrier power and the first carrier power as the left adjacent channel ACPR (i.e., left adjacent channel ACPR (dbc) ═ P)lADJ-PTx1)；
If the first adjacent channel is a channel which is next adjacent to the target frequency band in the supported frequency band in the direction of reducing the frequency, determining a left adjacent channel ACPR according to the third carrier power and the first carrier power specifically includes: taking the difference between the third carrier power and the first carrier power as the left adjacent channel ACPR (i.e., left adjacent channel ACPR (dbc) ═ P)lAlt1-PTx1)；
If the second adjacent channel is a channel adjacent to the target frequency band in the frequency increasing direction in the supported frequency band, determining according to the fourth carrier power and the second carrier powerDetermining a right adjacent channel ACPR specifically comprises: taking the difference between the fourth carrier power and the second carrier power as the right adjacent channel ACPR (i.e., right adjacent channel ACPR (dbc) ═ P)rADJ-PTx4)；
If the second adjacent channel is a channel which is next adjacent to the target frequency band in the frequency increasing direction in the supported frequency band, determining a right next adjacent channel ACPR according to the fourth carrier power and the second carrier power specifically includes: taking the difference between the fourth carrier power and the second carrier power as the right-next-adjacent-channel ACPR (i.e., right-next-adjacent-channel ACPR (dbc) ═ PrAlt1-PTx4)。
In this embodiment, the determination of the left adjacent channel ACPR or the left adjacent channel ACPR is achieved by a difference between the third carrier power and the first carrier power, and the determination of the right adjacent channel ACPR or the right adjacent channel ACPR is achieved by a difference between the fourth carrier power and the second carrier power. The determination of the left adjacent channel ACPR, the right adjacent channel ACPR and/or the right adjacent channel ACPR is realized through a simpler calculation process by using a smaller calculation amount.
Further, on the basis of the above embodiments, the method further includes:
circularly executing channel switching operation on channels needing to be tested in the ARU or the RRU until traversing each channel needing to be tested;
wherein the channel switching operation comprises: and controlling the matrix switch to any channel which is not tested yet, and taking the currently switched channel as the test channel.
In this embodiment, when there are many channels to be tested in the ARU or the RRU, channel switching is realized by controlling the matrix switch, and it is ensured that each channel to be tested is tested.
To specifically explain the testing process of ACPR, fig. 4 is a schematic diagram of a specific testing flow of ACPR provided in this embodiment, and with reference to fig. 4, the process includes:
the method comprises the following steps: setting channel parameters of asymmetric carriers;
specifically, the frequency spectrograph is set so that the frequency spectrograph performs the carrier power test on the reference channel and the adjacent channel of the target frequency band in which the test channel is located, and the secondary adjacent channel of the target frequency band.
Step two: reading power values of all carriers;
specifically, ACPR reading values are set on a frequency spectrograph as absolute power values, and channel power values of TX1, TX4, lADJ, lAlt1, rADJ and rAlt1 are read and uploaded to a computer.
Step three: calculating an ACPR value;
from the corresponding integration bandwidths, the channel power values of TX1, TX4, iadj, lAlt1, rADJ, rAlt1 (in dBm) read are respectively recorded as: PTx1, PTx4, PladJ, Plad 1, PrADJ and PrAlt1, and then carrying out subtraction calculation to obtain a final test result.
The ACPR test method provided in this embodiment does not need to perform table reading twice for 5G asymmetric carriers, but directly performs one-time reading, and performs calculation in test software by using the ACPR principle, thereby implementing measurement of channel ACPR. The test time is shortened, the test cost is reduced, the number of the design times is reduced, and the stability and the reliability of the test platform are improved.
Fig. 5 is a block diagram of the ACPR testing apparatus provided in this embodiment, and referring to fig. 5, the apparatus includes a first determining module 501, an obtaining module 502, and a second determining module 503, wherein,
a first determining module 501, configured to determine, for any test channel to be tested in an Active Replaceable Unit (ARU) or a Radio Remote Unit (RRU), a first adjacent channel and a second adjacent channel according to a target frequency band where the test channel is located, and determine a first reference channel adjacent to or next to the first adjacent channel in the target frequency band, and a second reference channel adjacent to or next to the second adjacent channel in the target frequency band;
an obtaining module 502, configured to obtain a first carrier power of the first reference channel, a second carrier power of the second reference channel, a third carrier power of the first adjacent channel, and a fourth carrier power of the second adjacent channel when data is transmitted through the test channel;
a second determining module 503, configured to determine an ACPR of the test channel according to the first carrier power, the second carrier power, the third carrier power, and the fourth carrier power;
wherein the bandwidth of the frequency band supported by the first reference channel is different from the bandwidth of the frequency band supported by the second reference channel; the first adjacent channel is a channel which is adjacent to and/or next adjacent to the target frequency band in the frequency reduction direction and supported by the frequency band; the second adjacent channel is a channel in which a supported frequency band is adjacent to and/or next adjacent to the target frequency band in the direction of increasing frequency.
The ACPR testing apparatus provided in this embodiment is suitable for the ACPR testing method provided in the above embodiments, and details are not described herein.
This embodiment provides an ACPR testing apparatus, which, when any one of an ARU or an RRU to be tested obtains carrier powers of a first reference channel, a second reference channel, a first adjacent channel, and a second adjacent channel when data is transmitted through the test channel, respectively, and determines an ACPR of the test channel according to the obtained carrier powers, where a bandwidth of a frequency band supported by the first reference channel is different from a bandwidth of a frequency band supported by the second reference channel. For the test channel of the asymmetric carrier, a reference channel does not need to be set twice, and the frequency spectrograph does not need to be adjusted for many times, so that the operation flow of the test is simplified, the test time is shortened, the test cost is reduced, and the frequency spectrograph does not need to be adjusted frequently, thereby being beneficial to keeping the frequency spectrograph in a stable state and improving the test success rate.
Further, on the basis of the foregoing embodiment, the obtaining module is further configured to:
when data is transmitted through the test channel, controlling a frequency spectrograph to measure a first carrier power of the first reference channel, a second carrier power of the second reference channel, a third carrier power of the first adjacent channel and a fourth carrier power of the second adjacent channel;
when the spectrometer transmits data through the test channel, determining the first carrier power according to the power of data transmission of each carrier in the frequency band supported by the first reference channel, determining the second carrier power according to the power of data transmission of each carrier in the frequency band supported by the second reference channel, determining the third carrier power according to the power of data transmission of each carrier in the frequency band supported by the first adjacent channel, and determining the fourth carrier power according to the power of data transmission of each carrier in the frequency band supported by the second adjacent channel.
Further, on the basis of the foregoing embodiments, the second determining module is further configured to:
if the first adjacent channel is a channel adjacent to the target frequency band in the frequency reduction direction and the supported frequency band, determining a left adjacent channel ACPR according to the third carrier power and the first carrier power;
if the first adjacent channel is a channel which is adjacent to the target frequency band in the frequency reduction direction in the second time, determining a left adjacent channel ACPR according to the third carrier power and the first carrier power;
if the second adjacent channel is a channel adjacent to the target frequency band in the frequency increasing direction in the supported frequency band, determining a right adjacent channel ACPR according to the fourth carrier power and the second carrier power;
if the second adjacent channel is a channel which is adjacent to the target frequency band in the frequency increasing direction in the second supported frequency band, determining a right adjacent channel ACPR according to the fourth carrier power and the second carrier power;
and taking the determined left adjacent channel ACPR, left next adjacent channel ACPR, right adjacent channel ACPR and/or right next adjacent channel ACPR as the ACPR of the test channel.
Further, on the basis of the foregoing embodiments, if the first adjacent channel is a channel whose frequency band is supported by the first adjacent channel in the direction of decreasing frequency and is adjacent to the target frequency band, the determining a left adjacent channel ACPR according to the third carrier power and the first carrier power specifically includes: taking the difference between the third carrier power and the first carrier power as the left adjacent channel ACPR;
if the first adjacent channel is a channel which is next adjacent to the target frequency band in the supported frequency band in the direction of reducing the frequency, determining a left adjacent channel ACPR according to the third carrier power and the first carrier power specifically includes: taking the difference between the third carrier power and the first carrier power as the left adjacent channel ACPR;
if the second adjacent channel is a channel whose frequency band supported by the second adjacent channel is adjacent to the target frequency band in the direction of increasing the frequency, determining a right adjacent channel ACPR according to the fourth carrier power and the second carrier power, specifically including: taking the difference between the fourth carrier power and the second carrier power as the right adjacent channel ACPR;
if the second adjacent channel is a channel which is next adjacent to the target frequency band in the frequency increasing direction in the supported frequency band, determining a right next adjacent channel ACPR according to the fourth carrier power and the second carrier power specifically includes: and taking the difference between the fourth carrier power and the second carrier power as the right-secondary adjacent channel ACPR. Further, on the basis of the foregoing embodiments, the first determining module is further configured to:
circularly executing channel switching operation on channels needing to be tested in the ARU or the RRU until traversing each channel needing to be tested;
wherein the channel switching operation comprises: and controlling the matrix switch to any channel which is not tested yet, and taking the currently switched channel as the test channel.
In order to explain the working principle of the system, fig. 6 is a schematic diagram of the working principle of the ACPR test system provided by this embodiment during testing, see fig. 6, where the system includes a matrix switch, a spectrometer, and a testing device (e.g., a PC in fig. 6);
the matrix switch is used for switching the channel in the ARU or the RRU to a test channel which needs to be tested currently;
the frequency spectrograph is used for measuring a first carrier power of a first reference channel, a second carrier power of a second reference channel, a third carrier power of a first adjacent channel and a fourth carrier power of a second adjacent channel when data are transmitted through the test channel;
the test equipment is used for executing the ACPR test method;
the first adjacent channel is a channel which is adjacent to and/or next adjacent to a target frequency band where the supported frequency band and the test channel are located in the direction of reducing the frequency; the second adjacent channel is a channel which is adjacent to and/or next adjacent to the target frequency band in the frequency increasing direction and supported by the frequency band; the first reference channel is a channel adjacent to or next adjacent to the first adjacent channel in the target frequency band; the second reference channel is a channel adjacent to or next adjacent to the second adjacent channel in the target frequency band.
Specifically, in the System, one computer (i.e., a PC in fig. 6 is used as a test device), a plurality of 5G Base station devices (one ARU and one BBU (Base Band Unit)), one spectrometer, one switch matrix, one GPS (Global Positioning System) antenna, a plurality of radio frequency cables, a plurality of network cables, a plurality of power lines, and a plurality of optical fiber modules are provided. After the devices are connected according to the connection mode shown in fig. 6, the GPS antenna provides a clock reference for the test system, the BBU provides a synchronous clock and a working heartbeat for the frequency spectrograph, and the working principle of the whole test system is as follows: the BBU provides baseband signals to the ARU through optical fibers, after frequency conversion modulation and conversion are carried out on the ARU, carrier signals output by an antenna port are transmitted to a frequency spectrograph through a switch matrix for test analysis, and finally a computer reads test data through an algorithm and obtains a final test result after calculation. Wherein, RF Cable is radio frequency coaxial Cable, Optical Fiber is optic fibre, Ethernet is Ethernet, Syn CLK is synchronous clock signal, Hub is Hub.
This embodiment provides an ACPR test system, which, when any one of an ARU or an RRU to be tested transmits data through a test channel, obtains carrier powers of a first reference channel, a second reference channel, a first adjacent channel, and a second adjacent channel, and determines an ACPR of the test channel according to the obtained carrier powers, where a bandwidth of a frequency band supported by the first reference channel is different from a bandwidth of a frequency band supported by the second reference channel. For the test channel of the asymmetric carrier, a reference channel does not need to be set twice, and the frequency spectrograph does not need to be adjusted for many times, so that the operation flow of the test is simplified, the test time is shortened, the test cost is reduced, and the frequency spectrograph does not need to be adjusted frequently, thereby being beneficial to keeping the frequency spectrograph in a stable state and improving the test success rate.
Fig. 7 illustrates a physical structure diagram of an electronic device, and as shown in fig. 7, the electronic device may include: a processor (processor)701, a communication Interface (Communications Interface)702, a memory (memory)703 and a communication bus 704, wherein the processor 701, the communication Interface 702 and the memory 703 complete communication with each other through the communication bus 704. The processor 701 may call logic instructions in the memory 703 to perform the following method: determining a first adjacent channel and a second adjacent channel according to a target frequency band where a test channel is located for any one test channel to be tested in an Active Replaceable Unit (ARU) or a Radio Remote Unit (RRU), and determining a first reference channel adjacent to or next adjacent to the first adjacent channel in the target frequency band and a second reference channel adjacent to or next adjacent to the second adjacent channel in the target frequency band; acquiring a first carrier power of the first reference channel, a second carrier power of the second reference channel, a third carrier power of the first adjacent channel and a fourth carrier power of the second adjacent channel when data are transmitted through the test channel; determining the ACPR of the test channel according to the first carrier power, the second carrier power, the third carrier power and the fourth carrier power; wherein the bandwidth of the frequency band supported by the first reference channel is different from the bandwidth of the frequency band supported by the second reference channel; the first adjacent channel is a channel which is adjacent to and/or next adjacent to the target frequency band in the frequency reduction direction and supported by the frequency band; the second adjacent channel is a channel in which a supported frequency band is adjacent to and/or next adjacent to the target frequency band in the direction of increasing frequency.
In addition, the logic instructions in the memory 703 can be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Further, embodiments of the present invention disclose a computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions, which when executed by a computer, the computer is capable of performing the methods provided by the above-mentioned method embodiments, for example, comprising: determining a first adjacent channel and a second adjacent channel according to a target frequency band where a test channel is located for any one test channel to be tested in an Active Replaceable Unit (ARU) or a Radio Remote Unit (RRU), and determining a first reference channel adjacent to or next adjacent to the first adjacent channel in the target frequency band and a second reference channel adjacent to or next adjacent to the second adjacent channel in the target frequency band; acquiring a first carrier power of the first reference channel, a second carrier power of the second reference channel, a third carrier power of the first adjacent channel and a fourth carrier power of the second adjacent channel when data are transmitted through the test channel; determining the ACPR of the test channel according to the first carrier power, the second carrier power, the third carrier power and the fourth carrier power; wherein the bandwidth of the frequency band supported by the first reference channel is different from the bandwidth of the frequency band supported by the second reference channel; the first adjacent channel is a channel which is adjacent to and/or next adjacent to the target frequency band in the frequency reduction direction and supported by the frequency band; the second adjacent channel is a channel in which a supported frequency band is adjacent to and/or next adjacent to the target frequency band in the direction of increasing frequency.
In another aspect, an embodiment of the present invention further provides a non-transitory readable storage medium, on which a computer program is stored, where the computer program is implemented to perform the transmission method provided in the foregoing embodiments when executed by a processor, for example, the method includes: determining a first adjacent channel and a second adjacent channel according to a target frequency band where a test channel is located for any one test channel to be tested in an Active Replaceable Unit (ARU) or a Radio Remote Unit (RRU), and determining a first reference channel adjacent to or next adjacent to the first adjacent channel in the target frequency band and a second reference channel adjacent to or next adjacent to the second adjacent channel in the target frequency band; acquiring a first carrier power of the first reference channel, a second carrier power of the second reference channel, a third carrier power of the first adjacent channel and a fourth carrier power of the second adjacent channel when data are transmitted through the test channel; determining the ACPR of the test channel according to the first carrier power, the second carrier power, the third carrier power and the fourth carrier power; wherein the bandwidth of the frequency band supported by the first reference channel is different from the bandwidth of the frequency band supported by the second reference channel; the first adjacent channel is a channel which is adjacent to and/or next adjacent to the target frequency band in the frequency reduction direction and supported by the frequency band; the second adjacent channel is a channel in which a supported frequency band is adjacent to and/or next adjacent to the target frequency band in the direction of increasing frequency.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (13)

1. An Adjacent Channel Power Ratio (ACPR) testing method is characterized by comprising the following steps:
determining a first adjacent channel and a second adjacent channel according to a target frequency band where a test channel is located for any one test channel to be tested in an Active Replaceable Unit (ARU) or a Radio Remote Unit (RRU), and determining a first reference channel adjacent to or next adjacent to the first adjacent channel in the target frequency band and a second reference channel adjacent to or next adjacent to the second adjacent channel in the target frequency band;
acquiring a first carrier power of the first reference channel, a second carrier power of the second reference channel, a third carrier power of the first adjacent channel and a fourth carrier power of the second adjacent channel when data are transmitted through the test channel;
determining the ACPR of the test channel according to the first carrier power, the second carrier power, the third carrier power and the fourth carrier power;
wherein the bandwidth of the frequency band supported by the first reference channel is different from the bandwidth of the frequency band supported by the second reference channel; the first adjacent channel is a channel which is adjacent to and/or next adjacent to the target frequency band in the frequency reduction direction and supported by the frequency band; the second adjacent channel is a channel in which a supported frequency band is adjacent to and/or next adjacent to the target frequency band in the direction of increasing frequency.
2. The ACPR test method of claim 1, further comprising:
when data is transmitted through the test channel, controlling a frequency spectrograph to measure a first carrier power of the first reference channel, a second carrier power of the second reference channel, a third carrier power of the first adjacent channel and a fourth carrier power of the second adjacent channel;
when the spectrometer transmits data through the test channel, determining the first carrier power according to the power of data transmission of each carrier in the frequency band supported by the first reference channel, determining the second carrier power according to the power of data transmission of each carrier in the frequency band supported by the second reference channel, determining the third carrier power according to the power of data transmission of each carrier in the frequency band supported by the first adjacent channel, and determining the fourth carrier power according to the power of data transmission of each carrier in the frequency band supported by the second adjacent channel.
3. The ACPR testing method of claim 1, wherein determining the ACPR for the test channel based on the first carrier power, the second carrier power, the third carrier power, and the fourth carrier power comprises:
if the first adjacent channel is a channel adjacent to the target frequency band in the frequency reduction direction and the supported frequency band, determining a left adjacent channel ACPR according to the third carrier power and the first carrier power;
if the first adjacent channel is a channel which is adjacent to the target frequency band in the frequency reduction direction in the second time, determining a left adjacent channel ACPR according to the third carrier power and the first carrier power;
if the second adjacent channel is a channel adjacent to the target frequency band in the frequency increasing direction in the supported frequency band, determining a right adjacent channel ACPR according to the fourth carrier power and the second carrier power;
if the second adjacent channel is a channel which is adjacent to the target frequency band in the frequency increasing direction in the second supported frequency band, determining a right adjacent channel ACPR according to the fourth carrier power and the second carrier power;
and taking the determined left adjacent channel ACPR, left next adjacent channel ACPR, right adjacent channel ACPR and/or right next adjacent channel ACPR as the ACPR of the test channel.
4. The ACPR testing method according to claim 3,
if the first adjacent channel is a channel whose frequency band supported by the first adjacent channel is adjacent to the target frequency band in the direction of decreasing the frequency, determining a left adjacent channel ACPR according to the third carrier power and the first carrier power specifically includes: taking the difference between the third carrier power and the first carrier power as the left adjacent channel ACPR;
if the first adjacent channel is a channel which is next adjacent to the target frequency band in the supported frequency band in the direction of reducing the frequency, determining a left adjacent channel ACPR according to the third carrier power and the first carrier power specifically includes: taking the difference between the third carrier power and the first carrier power as the left adjacent channel ACPR;
if the second adjacent channel is a channel whose frequency band supported by the second adjacent channel is adjacent to the target frequency band in the direction of increasing the frequency, determining a right adjacent channel ACPR according to the fourth carrier power and the second carrier power, specifically including: taking the difference between the fourth carrier power and the second carrier power as the right adjacent channel ACPR;
if the second adjacent channel is a channel which is next adjacent to the target frequency band in the frequency increasing direction in the supported frequency band, determining a right next adjacent channel ACPR according to the fourth carrier power and the second carrier power specifically includes: and taking the difference between the fourth carrier power and the second carrier power as the right-secondary adjacent channel ACPR.
5. The ACPR test method of claim 1, further comprising:
circularly executing channel switching operation on channels needing to be tested in the ARU or the RRU until traversing each channel needing to be tested;
wherein the channel switching operation comprises: and controlling the matrix switch to any channel which is not tested yet, and taking the currently switched channel as the test channel.
6. An ACPR test apparatus, comprising:
a first determining module, configured to determine, for any test channel to be tested in an Active Replaceable Unit (ARU) or a Radio Remote Unit (RRU), a first adjacent channel and a second adjacent channel according to a target frequency band where the test channel is located, and determine a first reference channel adjacent to or next adjacent to the first adjacent channel in the target frequency band, and a second reference channel adjacent to or next adjacent to the second adjacent channel in the target frequency band;
an obtaining module, configured to obtain a first carrier power of the first reference channel, a second carrier power of the second reference channel, a third carrier power of the first adjacent channel, and a fourth carrier power of the second adjacent channel when data is transmitted through the test channel;
a second determining module, configured to determine an ACPR of the test channel according to the first carrier power, the second carrier power, the third carrier power, and the fourth carrier power;
wherein the bandwidth of the frequency band supported by the first reference channel is different from the bandwidth of the frequency band supported by the second reference channel; the first adjacent channel is a channel which is adjacent to and/or next adjacent to the target frequency band in the frequency reduction direction and supported by the frequency band; the second adjacent channel is a channel in which a supported frequency band is adjacent to and/or next adjacent to the target frequency band in the direction of increasing frequency.
7. The ACPR testing apparatus of claim 6, wherein the obtaining module is further configured to:
when data is transmitted through the test channel, controlling a frequency spectrograph to measure a first carrier power of the first reference channel, a second carrier power of the second reference channel, a third carrier power of the first adjacent channel and a fourth carrier power of the second adjacent channel;
when the spectrometer transmits data through the test channel, determining the first carrier power according to the power of data transmission of each carrier in the frequency band supported by the first reference channel, determining the second carrier power according to the power of data transmission of each carrier in the frequency band supported by the second reference channel, determining the third carrier power according to the power of data transmission of each carrier in the frequency band supported by the first adjacent channel, and determining the fourth carrier power according to the power of data transmission of each carrier in the frequency band supported by the second adjacent channel.
8. The ACPR testing apparatus of claim 6, wherein the second determining module is further configured to:
if the first adjacent channel is a channel adjacent to the target frequency band in the frequency reduction direction and the supported frequency band, determining a left adjacent channel ACPR according to the third carrier power and the first carrier power;
if the first adjacent channel is a channel which is adjacent to the target frequency band in the frequency reduction direction in the second time, determining a left adjacent channel ACPR according to the third carrier power and the first carrier power;
if the second adjacent channel is a channel adjacent to the target frequency band in the frequency increasing direction in the supported frequency band, determining a right adjacent channel ACPR according to the fourth carrier power and the second carrier power;
if the second adjacent channel is a channel which is adjacent to the target frequency band in the frequency increasing direction in the second supported frequency band, determining a right adjacent channel ACPR according to the fourth carrier power and the second carrier power;
and taking the determined left adjacent channel ACPR, left next adjacent channel ACPR, right adjacent channel ACPR and/or right next adjacent channel ACPR as the ACPR of the test channel.
9. The ACPR testing apparatus according to claim 8,
if the first adjacent channel is a channel whose frequency band supported by the first adjacent channel is adjacent to the target frequency band in the direction of decreasing the frequency, determining a left adjacent channel ACPR according to the third carrier power and the first carrier power specifically includes: taking the difference between the third carrier power and the first carrier power as the left adjacent channel ACPR;
if the first adjacent channel is a channel which is next adjacent to the target frequency band in the supported frequency band in the direction of reducing the frequency, determining a left adjacent channel ACPR according to the third carrier power and the first carrier power specifically includes: taking the difference between the third carrier power and the first carrier power as the left adjacent channel ACPR;
if the second adjacent channel is a channel whose frequency band supported by the second adjacent channel is adjacent to the target frequency band in the direction of increasing the frequency, determining a right adjacent channel ACPR according to the fourth carrier power and the second carrier power, specifically including: taking the difference between the fourth carrier power and the second carrier power as the right adjacent channel ACPR;
if the second adjacent channel is a channel which is next adjacent to the target frequency band in the frequency increasing direction in the supported frequency band, determining a right next adjacent channel ACPR according to the fourth carrier power and the second carrier power specifically includes: and taking the difference between the fourth carrier power and the second carrier power as the right-secondary adjacent channel ACPR.
10. The ACPR testing apparatus of claim 6, wherein the first determining module is further configured to:
circularly executing channel switching operation on channels needing to be tested in the ARU or the RRU until traversing each channel needing to be tested;
wherein the channel switching operation comprises: and controlling the matrix switch to any channel which is not tested yet, and taking the currently switched channel as the test channel.
11. An ACPR test system is characterized by comprising a matrix switch, a frequency spectrograph and test equipment;
the matrix switch is used for switching the channel in the ARU or the RRU to a test channel which needs to be tested currently;
the frequency spectrograph is used for measuring a first carrier power of a first reference channel, a second carrier power of a second reference channel, a third carrier power of a first adjacent channel and a fourth carrier power of a second adjacent channel when data are transmitted through the test channel;
the test equipment is used for executing the ACPR test method of any one of claims 1-5;
the first adjacent channel is a channel which is adjacent to and/or next adjacent to a target frequency band where the supported frequency band and the test channel are located in the direction of reducing the frequency; the second adjacent channel is a channel which is adjacent to and/or next adjacent to the target frequency band in the frequency increasing direction and supported by the frequency band; the first reference channel is a channel adjacent to or next adjacent to the first adjacent channel in the target frequency band; the second reference channel is a channel adjacent to or next adjacent to the second adjacent channel in the target frequency band.
12. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the ACPR testing method according to any one of claims 1 to 5 are implemented when the processor executes the program.
13. A non-transitory readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the ACPR testing method according to any one of claims 1 to 5.
CN202010096954.2A 2020-02-17 2020-02-17 ACPR test method, device, system, electronic equipment and storage medium Active CN113271619B (en)

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