CN113271619B - 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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CN113271619B
CN113271619B CN202010096954.2A CN202010096954A CN113271619B CN 113271619 B CN113271619 B CN 113271619B CN 202010096954 A CN202010096954 A CN 202010096954A CN 113271619 B CN113271619 B CN 113271619B
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channel
adjacent
carrier power
frequency band
acpr
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CN113271619A (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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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention provides an ACPR (advanced power register) testing method, device, system, electronic equipment and storage medium, wherein when data is transmitted through any one of ARU (integrated circuit) or RRU (remote radio unit) to be tested, carrier powers of a first reference channel, a second reference channel, a first adjacent channel and a second adjacent channel are respectively acquired, and the ACPR of the test channel is determined through the acquired carrier powers, wherein the bandwidths of the frequency bands supported by the first reference channel are different from those of the frequency bands supported by the second reference channel. For the test channel of the asymmetric carrier wave, the reference channel is not required to be set twice, and the spectrometer is not required to be adjusted for multiple times, so that the operation flow of the test is simplified, the test time is shortened, the test cost is reduced, and the spectrometer is not required to be adjusted frequently, so that the spectrometer is in a stable state, and the test success rate is improved.

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, an ACPR testing device, an ACPR testing system, an electronic device, and a storage medium.
Background
ACPR (adjacency-Channel Power Rejection), an Adjacent channel power ratio, is a standard for measuring the amount of interference or power in an Adjacent frequency channel. In order to ensure signal transmission quality and reduce leakage of signals to adjacent channels, ACPR of base station equipment needs to be tested. When the ACPR is greater than a set standard, the hardware of the base station device needs to be adjusted to reduce ACPR indexes and ensure signal transmission quality. In the process of testing the ACPR index, a reference channel needs to be set, for example, an ACPR measurement mode of a spectrometer is selected during testing, a time slot is set, an external trigger synchronization signal is set, and then the output radio frequency signal is analyzed through a template of the meter to complete ACPR testing.
However, when ACPR testing is performed on asymmetric carriers, it is necessary to set the reference channel twice and select the template twice. For example, in the case of a large number of channels of 5G (5 th Generation Mobile Communication System, fifth generation mobile communication system), if two reference channels are set, the test time is prolonged, the popularization in the production line is not suitable, the state of the meter is unstable due to multiple table setting, and the risk of test failure is increased.
Therefore, the existing ACPR test method is complex in operation, high in test cost and high in risk of test failure.
Disclosure of Invention
The embodiment of the invention provides an ACPR testing method, an ACPR testing device, an ACPR testing system, electronic equipment and a storage medium, which are used for solving the problems that the ACPR testing method in the prior art 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 an adjacent channel power ratio ACPR, including:
determining a first adjacent channel and a second adjacent channel according to a target frequency band where the test channel is located for any test channel to be tested in an active replaceable unit ARU or a remote radio unit RRU, and determining 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;
when data is transmitted through the test channel, 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 are obtained;
Determining 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 of which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band in the direction of frequency reduction; the second adjacent channel is a channel in which the supported frequency band is adjacent and/or next-adjacent to the target frequency band in the direction in which the frequency increases.
In a second aspect, an embodiment of the present invention provides an ACPR testing apparatus, including:
the first determining module is used for determining a first adjacent channel and a second adjacent channel for any test channel to be tested in the active replaceable unit ARU or the remote radio unit RRU according to a target frequency band where the test channel is located, and determining a first reference channel adjacent to the first adjacent channel or next adjacent to the second adjacent channel in the target frequency band and a second reference channel adjacent to the second adjacent channel or next adjacent to the second adjacent channel in the target frequency band;
the acquisition module is used for 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 are transmitted through the test channel;
A second determining module, configured to determine 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 of which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band in the direction of frequency reduction; the second adjacent channel is a channel in which the supported frequency band is adjacent and/or next-adjacent to the target frequency band in the direction in which the frequency increases.
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 current test channel to be tested;
the spectrometer is used for measuring 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 are transmitted through the test channel;
the test equipment is used for executing the ACPR test method;
The first adjacent channel is a channel in which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band where the test channel is located in the direction of reducing the frequency; the second adjacent channel is a channel of which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band in the direction of increasing frequency; the first reference channel is a channel adjacent to or next to the first adjacent channel in the target frequency band; and the second reference channel is a channel adjacent to or next 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 on the memory and executable on the processor, where the steps of the ACPR test method described above are implemented when the processor executes the program.
In a fifth aspect, embodiments of the present invention provide a non-transitory readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the ACPR test method as described in any of the above.
The embodiment of the invention provides an ACPR (advanced power register) testing method, device, system, electronic equipment and storage medium, wherein when data is transmitted through any one of ARU (integrated circuit) or RRU (remote radio unit) to be tested, carrier powers of a first reference channel, a second reference channel, a first adjacent channel and a second adjacent channel are respectively acquired, and the ACPR of the test channel is determined through the acquired carrier powers, wherein the bandwidths of frequency bands supported by the first reference channel are different from those of the frequency bands supported by the second reference channel. For the test channel of the asymmetric carrier wave, the reference channel is not required to be set twice, and the spectrometer is not required to be adjusted for multiple times, so that the operation flow of the test is simplified, the test time is shortened, the test cost is reduced, and the spectrometer is not required to be adjusted frequently, so that the spectrometer is in a stable state, and the test success rate is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
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 flow chart of 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 band according to another embodiment of the present invention;
FIG. 4 is a schematic diagram of an ACPR specific test flow 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
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An asymmetric carrier refers to a frequency band in which a channel is located, in which the determined frequency band supported by the first channel and the last channel have different bandwidths according to a direction in which the frequency increases or a direction in which the frequency decreases. For example, for an N41 frequency band (frequency range 2515MHz to 2675 MHz) where a certain channel is located, communication based on not only NR (New Radio) but also LTE (Long Term Evolution ) is supported. The bandwidths supported by the channels in the N41 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 the present embodiment, where the bandwidth supported by the channels in the N41 band shown in the present embodiment is the 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 ACPR testing is performed on a channel with a frequency band N41, two reference channels are required to be selected because the channel in the frequency band N41 belongs to an asymmetric carrier, namely, the leftmost channel with a bandwidth of 100MHz and the rightmost channel with a bandwidth of 20MHz in the frequency band N41 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 meter easily causes unstable operation of the meter, which affects the test accuracy. To solve this problem, fig. 2 is a flowchart of an ACPR testing method provided in the present embodiment, which is executed by any device, for example, a computer, a server, etc., and the present embodiment is not limited in particular. During the test, the device may be connected to a test device (e.g., spectrometer) capable of testing the carrier power of the channels, through which the carrier power tested for each channel is obtained. Referring to fig. 2, the method includes the steps of:
Step 201: for any test channel to be tested in an ARU (Active Replaceable Unit ) or an RRU (Remote Radio Unit, remote radio unit), determining a first adjacent channel and a second adjacent channel according to a target frequency band where the test channel is located, and determining a first reference channel adjacent to the first adjacent channel or next adjacent to the first adjacent channel in the target frequency band and a second reference channel adjacent to the second adjacent channel 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 of which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band in the direction of frequency reduction; the second adjacent channel is a channel in which the supported frequency band is adjacent and/or next-adjacent to the target frequency band in the direction in which the frequency increases.
In the 5G communication system, ARU (Active Replaceable Unit ) refers to a structure in which an AAU (Active Antenna Unit ) is not mounted with an antenna unit. The ARU includes a channel therein for connection to an antenna element. The method provided by the embodiment can perform ACPR test on the channel in the RRU in the ARU or 4G (4G th Generation Mobile Communication System, fourth generation mobile communication system) communication system.
The target frequency band is the frequency band in which any of the test channels in the ARU is located, 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 in which the supported frequency band is adjacent to the target frequency band (e.g., a left adjacent channel 1ADJ of the N41 frequency band), and/or a next adjacent channel (e.g., a left adjacent channel 1Alt1 of the N41 frequency band) in a direction in which the frequency decreases. The second adjacent channel is a channel in which the supported frequency band is adjacent to the target frequency band in the direction of increasing frequency (e.g., a right adjacent channel rAlt1 of the N41 frequency band), and/or a next adjacent channel (e.g., a left adjacent channel rAlt1 of the N41 frequency band). The channel closest to the first adjacent channel of the target frequency band is selected as a first reference channel (e.g., TX1 in the N41 frequency band), and the channel closest to the second adjacent channel of the target frequency band is selected as a second reference channel (e.g., TX4 in the N41 frequency band).
Step 202: and when data is transmitted through the test channel, 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.
This step may obtain the carrier power of the channel by a test device that tests the carrier power of the channel, e.g., obtaining the carrier power of each channel that is tested by a spectrometer.
Wherein the carrier power of the channel is equal to the power integral of each carrier in the frequency band supported by the channel when transmitting data 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 the TX1 and the TX4 are different (TX 1 bandwidth is 100MHz and TX4 bandwidth is 20 MHz), if the ACPR of the channel corresponding to the N41 frequency band is tested by the traditional method, the operation is complex because the frequency spectrometer is required to be provided with two reference channels, the frequency spectrometer is easy to be unstable due to frequent arrangement of the frequency 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, so that the frequency setting of the spectrometer is not needed, the operation is simple, the stability of the spectrometer is improved, and the accuracy of the test result is improved.
The embodiment provides an ACPR test method, an apparatus, a system, an electronic device and a storage medium, wherein for any test channel to be tested in an ARU or an RRU, when data is transmitted through the test channel, carrier powers of a first reference channel, a second reference channel, a first adjacent channel and a second adjacent channel are respectively acquired, and the ACPR of the test channel is determined by the acquired carrier powers, 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 wave, the reference channel is not required to be set twice, and the spectrometer is not required to be adjusted for multiple times, so that the operation flow of the test is simplified, the test time is shortened, the test cost is reduced, and the spectrometer is not required to be adjusted frequently, so that the spectrometer is in a stable state, and the test success rate is improved.
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 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 the spectrometer transmits data through the test channel, the first carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the first reference channel, the second carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the second reference channel, the third carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the first adjacent channel, and the fourth carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the second adjacent channel.
The spectrometer is configured such that when data is transmitted through the test channel, the spectrometer 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, the spectrometer integrates the power of each carrier wave in the frequency band supported by the first reference channel to obtain the first carrier wave power, integrates the power of each carrier wave in the frequency band supported by the second reference channel to obtain the second carrier wave power, integrates the power of each carrier wave in the frequency band supported by the first adjacent channel to obtain the third carrier wave power, and integrates the power of each carrier wave in the frequency band supported by the second adjacent channel to obtain the fourth carrier wave power.
Wherein, set up the spectrum appearance and include: resetting the spectrometer, selecting a test mode of the spectrometer as an ACPR mode, selecting EUTRA (Evolved-UMTS Terrestrial Radio Access), wherein UMTS is Universal Mobile Telecommunications System, and is called Universal Mobile Telecommunications System (UMTS) control (the item of EUTRA/LTE Square can be selected specifically), setting the number of carriers, setting the number of adjacent channels, setting the useful bandwidth of the carriers (i.e. the bandwidth of a reference channel) and the ADJ bandwidth (i.e. the adjacent channel bandwidth), the ALT bandwidth (i.e. the next adjacent channel bandwidth), setting the reference power as absolute power, setting a trigger source, setting the test bandwidth, setting a time slot, setting the display bandwidth of the spectrometer, setting the analysis bandwidth of the spectrometer, setting the internal attenuation of the spectrometer, setting the reference level, setting the scanning time, setting the detection type, setting the noise calibration and setting the central frequency point of the spectrometer.
The following provides a setting procedure for the spectrometer when the N41 band is used as the target band where the test channel is located:
fig. 3 is a schematic diagram of a spectrum carrier of an N41 band provided in this embodiment, and referring to frequencies of bands supported by each channel shown in fig. 3, a process for setting a spectrometer specifically includes:
setting a central frequency point of the spectrometer as 2635MHz and a bandwidth as 638MHz, and setting the spectrometer as a mode for testing ACPR;
the signal bandwidth configuration is 1 NR carrier wave of 100M and 3 LTE of 20M, the number of test carriers is set to be 4 (because carriers on two sides are asymmetric, ACPR indexes are used for testing the left adjacent channel and the left adjacent channel of 100M signals, and the right adjacent channel of the rightmost 20M signals, the number of adjacent channels is set to be 4);
the channel integration bandwidths, carrier gaps, and names are set according to table 1.
Table 1 setting table of asymmetric carrier setting channels
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 through the spectrometer, the obtaining process is simple, and the popularization and the implementation are convenient.
Further, on the basis of the above 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 frequency reducing direction (i.e., the first adjacent channel is a left adjacent channel, for example, a 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 in which the supported frequency band is sub-adjacent to the target frequency band in the frequency decreasing direction (i.e., the first adjacent channel is a left adjacent channel, for example, a 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 frequency increasing direction (i.e., the first adjacent channel is a right adjacent channel, for example, a right adjacent channel rADJ 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 in which the supported frequency band is sub-adjacent to the target frequency band in the direction of increasing frequency (i.e. the first adjacent channel is a right adjacent channel, for example, a 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, right adjacent channel ACPR and/or right 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 mode to determine the left adjacent channel ACPR or the left adjacent channel ACPR. The fourth carrier power and the second carrier power may be calculated according to a set calculation mode to determine the right adjacent channel ACPR or the right next adjacent channel ACPR, where the specific calculation mode is not limited in this embodiment. For example, carrier power may be expressed in units of watts (w) or in units of dBm. When the carrier power is expressed in different units, the adopted calculation mode for calculating the left adjacent channel ACPR or the left adjacent channel ACPR and the calculation mode for calculating the right adjacent channel ACPR or the right adjacent channel ACPR are also different.
In this embodiment, the determination of the left adjacent channel ACPR or the left adjacent channel ACPR is realized through 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 realized through the fourth carrier power and the second carrier power.
Specifically, when the first carrier power P Tx1 The second carrier power P Tx4 Said third carrier power (P lADJ Or P lAlt1 ) And the fourth carrier power (P rADJ Or P rAlt1 ) All expressed in decibels (dBm), the left adjacent channel ACPR or the left adjacent channel ACPR is determined by the difference between the third carrier power and the first carrier power, and the fourth carrier is used for transmitting the signalThe difference in power and the second carrier power determines the right adjacent channel ACPR or the right next adjacent channel ACPR.
Further, on the basis of the foregoing embodiments, if the first adjacent channel is a channel in which the supported frequency band is adjacent to the target frequency band in the direction of frequency reduction, determining the 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 difference between the left adjacent channel ACPR (i.e., left adjacent channel ACPR (dBc) =p lADJ -P Tx1 )；
If the first adjacent channel is a channel in which the supported frequency band is sub-adjacent to the target frequency band in the direction of frequency reduction, 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 difference between the left adjacent channel ACPR (i.e., left adjacent channel ACPR (dBc) =p lAlt1 -P Tx1 )；
If the second adjacent channel is a channel in which the supported frequency band is adjacent to the target frequency band in the direction of increasing frequency, determining a right 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 difference between the right adjacent channel ACPR (i.e., right adjacent channel ACPR (dBc) =p rADJ -P Tx4 )；
If the second adjacent channel is a channel in which the supported frequency band is sub-adjacent to the target frequency band in the direction of increasing frequency, determining the right 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 adjacent channel ACPR (i.e., right adjacent channel ACPR (dBc) =p rAlt1 -P Tx4 )。
In this embodiment, the determination of the left adjacent channel ACPR or the left adjacent channel ACPR is realized by the 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 realized by the 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 smaller calculated amount and a simpler calculation process.
Further, on the basis of the above embodiments, the method further includes:
performing channel switching operation on the ARU or the channels to be tested in the RRU in a circulating way until each channel to be tested is traversed;
wherein the channel switching operation includes: and controlling the matrix switch to any channel which is not tested, and taking the channel which is switched to currently as the test channel.
In this embodiment, when there are more channels to be tested in the ARU or RRU, the channel switching is implemented by controlling the matrix switch, so as to ensure that each channel to be tested is tested.
In order to specifically illustrate the ACPR testing process, fig. 4 is a schematic diagram of an ACPR specific testing flow provided in this embodiment, and referring to fig. 4, the process includes:
step one: setting channel parameters of asymmetric carriers;
specifically, the spectrometer is set so that the spectrometer tests the carrier power of the reference channel and the adjacent channel of the target frequency band and the secondary adjacent channel of the target frequency band in the target frequency band where the test channel is located.
Step two: reading the power value of each carrier;
specifically, setting ACPR reading values as absolute power values on a spectrometer, reading TX1, TX4, lADJ, lAlt1, rAlDJ and rAlt1 channel power values, and uploading the power values to a computer.
Step three: calculating an ACPR value;
from the corresponding integration bandwidths, the power values (in dBm) of the channels of TX1, TX4, lADJ, lAlt1, rAlT1 and rAlt1 are respectively recorded as follows: PTx1, PTx4, plADJ, plAlt1, prADJ, prAlt1, and then performing subtraction calculation to obtain the final test result.
According to the ACPR testing method provided by the embodiment, for the asymmetric carrier wave of 5G, the table reading value is not required to be set twice, and the table is directly read once, and the ACPR testing method utilizes the ACPR principle to calculate in testing software so as to realize measurement of channel ACPR. The test time is shortened, the test cost is reduced, the number of times of design 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 the present embodiment, 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 a test channel to be tested in an active replaceable unit ARU or a remote radio unit RRU, a first adjacent channel and a second adjacent channel according to a target frequency band in which the test channel is located, and determine a first reference channel adjacent to the first adjacent channel or next adjacent to the first adjacent channel in the target frequency band, and a second reference channel adjacent to the second adjacent channel or next adjacent 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 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 of which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band in the direction of frequency reduction; the second adjacent channel is a channel in which the supported frequency band is adjacent and/or next-adjacent to the target frequency band in the direction in which the frequency increases.
The ACPR testing device provided in this embodiment is applicable to the ACPR testing method provided in each embodiment, and is not described herein.
The embodiment provides an ACPR testing device, which is configured to determine, for any one of an ARU and an RRU to be tested, an ACPR of the testing channel by using the acquired 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 testing channel, 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 wave, the reference channel is not required to be set twice, and the spectrometer is not required to be adjusted for multiple times, so that the operation flow of the test is simplified, the test time is shortened, the test cost is reduced, and the spectrometer is not required to be adjusted frequently, so that the spectrometer is in a stable state, and the test success rate is improved.
Further, on the basis of the above embodiment, the obtaining module is further configured to:
when data is transmitted through the test channel, controlling a frequency spectrograph to measure 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 the spectrometer transmits data through the test channel, the first carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the first reference channel, the second carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the second reference channel, the third carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the first adjacent channel, and the fourth carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the second adjacent channel.
Further, on the basis of the above embodiments, the second determining module is further configured to:
if the first adjacent channel is a channel with the supported frequency band adjacent to the target 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;
if the first adjacent channel is a channel with the supported frequency band being sub-adjacent to the target 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;
if the second adjacent channel is a channel with the supported frequency band adjacent to the target frequency band in the direction of increasing the frequency, determining an ACPR of the right adjacent channel according to the fourth carrier power and the second carrier power;
If the second adjacent channel is a channel with the supported frequency band being sub-adjacent to the target frequency band in the direction of increasing the frequency, determining an ACPR of the right adjacent channel according to the fourth carrier power and the second carrier power;
and taking the determined left adjacent channel ACPR, right adjacent channel ACPR and/or right 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 in which the supported frequency band is adjacent to the target frequency band in the direction of frequency reduction, determining the 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 in which the supported frequency band is sub-adjacent to the target frequency band in the direction of frequency reduction, 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 in which the supported frequency band is adjacent to the target frequency band in the direction of increasing frequency, determining a right 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 adjacent channel ACPR;
If the second adjacent channel is a channel in which the supported frequency band is sub-adjacent to the target frequency band in the direction of increasing frequency, determining the right 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 adjacent channel ACPR. Further, on the basis of the above embodiments, the first determining module is further configured to:
performing channel switching operation on the ARU or the channels to be tested in the RRU in a circulating way until each channel to be tested is traversed;
wherein the channel switching operation includes: and controlling the matrix switch to any channel which is not tested, and taking the channel which is switched to currently as the test channel.
In order to explain the working principle of the ACPR test system, fig. 6 is a schematic diagram of the working principle of the ACPR test system in the test, referring to fig. 6, the ACPR test system includes a matrix switch, a spectrometer and a test device (such as a PC in fig. 6);
the matrix switch is used for switching the channel in the ARU or the RRU to a current test channel to be tested;
The spectrometer is used for measuring 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 are transmitted through the test channel;
the test equipment is used for executing the ACPR test method;
the first adjacent channel is a channel in which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band where the test channel is located in the direction of reducing the frequency; the second adjacent channel is a channel of which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band in the direction of increasing frequency; the first reference channel is a channel adjacent to or next to the first adjacent channel in the target frequency band; and the second reference channel is a channel adjacent to or next to the second adjacent channel in the target frequency band.
Specifically, the system comprises a computer (i.e. a PC in fig. 6, used as a testing device), a plurality of 5G Base station devices (an ARU and a BBU (Base Band Unit)), a spectrometer, a switch matrix, a 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. 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 spectrometer, and the working principle of the whole test system is as follows: the BBU provides a baseband signal to the ARU through an optical fiber, after the ARU is subjected to frequency conversion modulation and conversion, a carrier signal output by an antenna port is transmitted to a frequency spectrograph through a switch matrix for test analysis, and finally, a computer reads test data through an algorithm, and a final test result is obtained after calculation. Wherein, RF Cable is radio frequency coaxial Cable, optical Fiber is optic fibre, ethernet, syn CLK is synchronous clock signal, hub is the concentrator.
The embodiment provides an ACPR test system, which is configured to determine, for any one of an ARU and an RRU, an ACPR of the test channel by using the acquired 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, 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 wave, the reference channel is not required to be set twice, and the spectrometer is not required to be adjusted for multiple times, so that the operation flow of the test is simplified, the test time is shortened, the test cost is reduced, and the spectrometer is not required to be adjusted frequently, so that the spectrometer is in a stable state, and the test success rate is improved.
Fig. 7 illustrates a physical schematic diagram of an electronic device, as shown in fig. 7, which 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 communicate 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 the test channel is located for any test channel to be tested in an active replaceable unit ARU or a remote radio unit RRU, and determining 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; when data is transmitted through the test channel, 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 are obtained; determining 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 of which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band in the direction of frequency reduction; the second adjacent channel is a channel in which the supported frequency band is adjacent and/or next-adjacent to the target frequency band in the direction in which the frequency increases.
Further, the logic instructions in the memory 703 may be implemented in the form of software functional units and may be stored in a computer readable storage medium when sold or used as a stand alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform 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, random Access Memory), a magnetic disk, or an optical disk, or 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, enable the computer to perform the methods provided by the above-described method embodiments, for example comprising: determining a first adjacent channel and a second adjacent channel according to a target frequency band where the test channel is located for any test channel to be tested in an active replaceable unit ARU or a remote radio unit RRU, and determining 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; when data is transmitted through the test channel, 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 are obtained; determining 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 of which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band in the direction of frequency reduction; the second adjacent channel is a channel in which the supported frequency band is adjacent and/or next-adjacent to the target frequency band in the direction in which the frequency increases.
In another aspect, an embodiment of the present invention further provides a non-transitory readable storage medium having stored thereon a computer program that is implemented when executed by a processor to perform the transmission method provided in the above embodiments, for example, including: determining a first adjacent channel and a second adjacent channel according to a target frequency band where the test channel is located for any test channel to be tested in an active replaceable unit ARU or a remote radio unit RRU, and determining 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; when data is transmitted through the test channel, 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 are obtained; determining 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 of which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band in the direction of frequency reduction; the second adjacent channel is a channel in which the supported frequency band is adjacent and/or next-adjacent to the target frequency band in the direction in which the frequency increases.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (13)

1. An adjacent channel power ratio ACPR testing method, comprising:
determining a first adjacent channel and a second adjacent channel according to a target frequency band where the test channel is located for any test channel to be tested in an active replaceable unit ARU or a remote radio unit RRU, and determining 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;
when data is transmitted through the test channel, 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 are obtained;
Determining 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 of which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band in the direction of frequency reduction; the second adjacent channel is a channel in which the supported frequency band is adjacent and/or next-adjacent to the target frequency band in the direction in which the frequency increases.
2. The ACPR testing method according to claim 1, further comprising:
when data is transmitted through the test channel, controlling a frequency spectrograph to measure 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 the spectrometer transmits data through the test channel, the first carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the first reference channel, the second carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the second reference channel, the third carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the first adjacent channel, and the fourth carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the second adjacent channel.
3. The ACPR testing method according to claim 1, wherein said determining an ACPR of said test channel according to said first carrier power, said second carrier power, said third carrier power and said fourth carrier power comprises:
if the first adjacent channel is a channel with the supported frequency band adjacent to the target 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;
if the first adjacent channel is a channel with the supported frequency band being sub-adjacent to the target 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;
if the second adjacent channel is a channel with the supported frequency band adjacent to the target frequency band in the direction of increasing the frequency, determining an ACPR of the right adjacent channel according to the fourth carrier power and the second carrier power;
if the second adjacent channel is a channel with the supported frequency band being sub-adjacent to the target frequency band in the direction of increasing the frequency, determining an ACPR of the right adjacent channel according to the fourth carrier power and the second carrier power;
and taking the determined left adjacent channel ACPR, right adjacent channel ACPR and/or right adjacent channel ACPR as the ACPR of the test channel.
4. The ACPR testing method according to claim 3, wherein,
if the first adjacent channel is a channel in which the supported frequency band is adjacent to the target frequency band in the direction of decreasing frequency, determining the 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 in which the supported frequency band is sub-adjacent to the target frequency band in the direction of frequency reduction, 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 in which the supported frequency band is adjacent to the target frequency band in the direction of increasing frequency, determining a right 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 adjacent channel ACPR;
if the second adjacent channel is a channel in which the supported frequency band is sub-adjacent to the target frequency band in the direction of increasing frequency, determining the right 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 adjacent channel ACPR.
5. The ACPR testing method according to claim 1, further comprising:
performing channel switching operation on the ARU or the channels to be tested in the RRU in a circulating way until each channel to be tested is traversed;
wherein the channel switching operation includes: and controlling the matrix switch to any channel which is not tested, and taking the channel which is switched to currently as the test channel.
6. An ACPR testing device, comprising:
the first determining module is used for determining a first adjacent channel and a second adjacent channel for any test channel to be tested in the active replaceable unit ARU or the remote radio unit RRU according to a target frequency band where the test channel is located, and determining a first reference channel adjacent to the first adjacent channel or next adjacent to the second adjacent channel in the target frequency band and a second reference channel adjacent to the second adjacent channel or next adjacent to the second adjacent channel in the target frequency band;
the acquisition module is used for 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 are transmitted through the test channel;
A second determining module, configured to determine 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 of which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band in the direction of frequency reduction; the second adjacent channel is a channel in which the supported frequency band is adjacent and/or next-adjacent to the target frequency band in the direction in which the frequency increases.
7. The ACPR testing device according to claim 6, wherein said obtaining module is further configured to:
when data is transmitted through the test channel, controlling a frequency spectrograph to measure 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 the spectrometer transmits data through the test channel, the first carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the first reference channel, the second carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the second reference channel, the third carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the first adjacent channel, and the fourth carrier power is determined according to the power of each carrier transmission data in the frequency band supported by the second adjacent channel.
8. The ACPR testing device according to claim 6, wherein said second determining module is further configured to:
if the first adjacent channel is a channel with the supported frequency band adjacent to the target 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;
if the first adjacent channel is a channel with the supported frequency band being sub-adjacent to the target 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;
if the second adjacent channel is a channel with the supported frequency band adjacent to the target frequency band in the direction of increasing the frequency, determining an ACPR of the right adjacent channel according to the fourth carrier power and the second carrier power;
if the second adjacent channel is a channel with the supported frequency band being sub-adjacent to the target frequency band in the direction of increasing the frequency, determining an ACPR of the right adjacent channel according to the fourth carrier power and the second carrier power;
and taking the determined left adjacent channel ACPR, right adjacent channel ACPR and/or right adjacent channel ACPR as the ACPR of the test channel.
9. The ACPR testing device according to claim 8, wherein,
If the first adjacent channel is a channel in which the supported frequency band is adjacent to the target frequency band in the direction of decreasing frequency, determining the 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 in which the supported frequency band is sub-adjacent to the target frequency band in the direction of frequency reduction, 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 in which the supported frequency band is adjacent to the target frequency band in the direction of increasing frequency, determining a right 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 adjacent channel ACPR;
if the second adjacent channel is a channel in which the supported frequency band is sub-adjacent to the target frequency band in the direction of increasing frequency, determining the right 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 adjacent channel ACPR.
10. The ACPR testing device of claim 6, wherein the first determining module is further to:
performing channel switching operation on the ARU or the channels to be tested in the RRU in a circulating way until each channel to be tested is traversed;
wherein the channel switching operation includes: and controlling the matrix switch to any channel which is not tested, and taking the channel which is switched to currently as the test channel.
11. An ACPR testing system is characterized by comprising a matrix switch, a spectrometer and testing equipment;
the matrix switch is used for switching the channel in the ARU or the RRU to a current test channel to be tested;
the spectrometer is used for measuring 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 are transmitted through the test channel;
the test apparatus for performing the ACPR test method according to any of claims 1-5;
the first adjacent channel is a channel in which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band where the test channel is located in the direction of reducing the frequency; the second adjacent channel is a channel of which the supported frequency band is adjacent and/or sub-adjacent to the target frequency band in the direction of increasing frequency; the first reference channel is a channel adjacent to or next to the first adjacent channel in the target frequency band; and the second reference channel is a channel adjacent to or next 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, wherein the processor performs the steps of the ACPR test method according to any of claims 1 to 5 when the program is executed by the processor.
13. A non-transitory readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the ACPR testing method according to any of claims 1 to 5.
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