CN110417485A - Standing-wave ratio detecting method, device, computer equipment and readable storage medium storing program for executing - Google Patents
Standing-wave ratio detecting method, device, computer equipment and readable storage medium storing program for executing Download PDFInfo
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- CN110417485A CN110417485A CN201910556135.9A CN201910556135A CN110417485A CN 110417485 A CN110417485 A CN 110417485A CN 201910556135 A CN201910556135 A CN 201910556135A CN 110417485 A CN110417485 A CN 110417485A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
Abstract
This application involves a kind of standing-wave ratio detecting method, device, computer equipment and computer readable storage mediums, the forward direction baseband transmission power including counting baseband signal, and the reversed base band reflection power of statistics baseband signal is delayed when default；According to the preceding transmission power for obtaining RRU device to the gain of baseband transmission power and downlink radio frequency link, and according to the reflection power of the gain of reversed base band reflection power and downstream feedback link acquisition RRU device；The standing-wave ratio of RRU device is calculated according to transmission power and reflection power.Above-mentioned standing-wave ratio detecting method, by, to baseband transmission power, reversed base band reflection power being counted after precise delay before first counting, it is ensured that the signal of power statistic is same baseband signal, to improve the detection accuracy of standing-wave ratio in RRU device.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of standing-wave ratio detecting method, device, computer equipment and
Computer readable storage medium.
Background technique
Standing-wave ratio (Voltage Standing on digital radio frequency far-pulling unit (Radio Remote Unit, RRU)
Wave Ratio, VSWR) index expression radio frequency system match condition.When standing-wave ratio is equal to 1, the height of RRU device transmitting is indicated
Frequency energy is all radiate by antenna feeder transmission；Standing-wave ratio is bigger, indicates that more energy is not launched away and anti-
It is emitted back towards and, therefore standing-wave ratio is an important index in RRU device.
Traditional industry technology be by with radio frequency detector device count radio frequency link on forward power and backward power,
It converts to obtain standing-wave ratio by publicity again.But this detection method discontinuous output in TDD system or downlink time domain
When situation, the forward power and backward power that are easy to appear detection are not the signals in same timeslice, i.e., non-same base band letter
Number, cause the value for the standing-wave ratio that equipment detects under same environment to have very big deviation.
Summary of the invention
The application provides a kind of standing-wave ratio detecting method, and the detection accuracy of RRU device standing-wave ratio can be improved.
A kind of standing-wave ratio detecting method, which comprises
The forward direction baseband transmission power of baseband signal is counted, and delays the reversed base for counting the baseband signal when default
Band reflection power；
The transmission power of RRU device is obtained according to the gain of the forward direction baseband transmission power and downlink radio frequency link, with
And the reflection power of the RRU device is obtained according to the gain of the reversed base band reflection power and downstream feedback link；
The standing-wave ratio of the RRU device is calculated according to the transmission power and the reflection power.
In one embodiment, described that RRU device is obtained according to the gain of the forward emitting power and downlink radio frequency link
Transmission power before, the method also includes:
Power is counted by the forward direction of the first test signal described in transmitting the first test signal statistics；
Obtain detection power of the first test signal after the downlink radio frequency link；
Power and the detection power are counted according to the forward direction, obtains the gain of the downlink radio frequency link.
In one embodiment, described that RRU is obtained according to the gain of the reversed base band reflection power and downstream feedback link
Before the reflection power of equipment, the method also includes:
Pass through the transmission power of the second test signal described in transmitting the second test signal statistics；
Obtain reversed statistics power of the second test signal after the downstream feedback link；
According to the transmission power and the reversed statistics power, the gain of the downstream feedback link is obtained.
In one embodiment, the method also includes:
The baseband signal is counted by the propagation delay time of the downlink radio frequency link and downstream feedback link, and by institute
Propagation delay time is stated as the default time delay.
In one embodiment, the forward direction baseband transmission power of the statistics baseband signal, and statistics institute is delayed when default
The reversed base band reflection power for stating baseband signal includes:
Obtain present system time and default statistical time；
Count the forward direction baseband transmission power of baseband signal in default statistical time, and present system time it is default when
Delay the reversed base band reflection power for counting the baseband signal in the default statistical time.
In one embodiment, transmission power is obtained according to the gain of the forward direction baseband transmission power and downlink radio frequency link
Include:
According to the forward direction baseband transmission power and default statistical time, to baseband transmission power before obtaining averagely；
According to described average preceding to the gain of baseband transmission power and the downlink radio frequency link acquisition baseband signal
Transmission power.
In one embodiment, reflection power is determined according to the gain of the reversed base band reflection power and downstream feedback link
Include:
According to the reversed baseband transmission power and default statistical time, averagely reversed baseband transmission power is obtained；
The baseband signal is obtained according to the gain of the average reversed baseband transmission power and the downstream feedback link
Reflection power.
A kind of standing wave ration detection device, described device include:
Statistical module for counting the forward direction baseband transmission power of baseband signal, and delays the statistics base when default
The reversed base band reflection power of band signal；
Module is obtained, for obtaining RRU device according to the gain of the forward direction baseband transmission power and downlink radio frequency link
Transmission power, and the RRU device is obtained according to the gain of the reversed base band reflection power and downstream feedback link
Reflection power；
Computing module, for calculating the standing-wave ratio of the RRU device according to the transmission power and the reflection power.
A kind of computer equipment, including memory and processor, the memory are stored with computer program, the processing
The step of device realizes the above method when executing the computer program.
A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor
The step of above-mentioned method is realized when row.
Standing-wave ratio detecting method, device, computer equipment and computer readable storage medium provided by the embodiments of the present application,
Forward direction baseband transmission power including counting baseband signal, and delay when default count the baseband signal reversed base band it is anti-
Penetrate power；The transmission power of RRU device is obtained according to the gain of the forward direction baseband transmission power and downlink radio frequency link, and
The reflection power of the RRU device is obtained according to the gain of the reversed base band reflection power and downstream feedback link；According to institute
It states transmission power and the reflection power calculates the standing-wave ratio of the RRU device.Above-mentioned standing-wave ratio detecting method, by first counting
Forward direction baseband transmission power counts reversed base band reflection power after precise delay, it is ensured that the signal of power statistic is same base
Band signal, to improve the detection accuracy of standing-wave ratio in RRU device.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the existing RRU device down going channel that an embodiment provides；
Fig. 2 is the structural schematic diagram for the RRU device down going channel that another embodiment provides；
Fig. 3 provides the flow chart of standing-wave ratio detecting method for an embodiment；
Fig. 4 is the structural schematic diagram of the RRU device for the realization time delay function that an embodiment provides；
Fig. 5 provides the flow chart of standing-wave ratio detecting method for another embodiment；
Fig. 6 is the structural block diagram of standing wave ration detection device in one embodiment；
Fig. 7 is the internal structure chart of computer equipment in one embodiment.
Specific embodiment
The application in order to facilitate understanding, in order to make the above objects, features, and advantages of the present application more apparent, under
Face is described in detail in conjunction with specific embodiment of the attached drawing to the application.It is explained in the following description many details
In order to fully understand the application, the better embodiment of the application is given in attached drawing.But the application can be with many not
With form realize, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making
Disclosure of this application is understood more thorough and comprehensive.The application can be to be much different from other way described herein
Implement, those skilled in the art can do similar improvement without prejudice to the application intension, therefore the application not by
The limitation of following public specific embodiment.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.In the description of the present application, " several " are meant that at least one, such as one,
Two etc., unless otherwise specifically defined.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.Term used herein is intended merely to the mesh of description specific embodiment
, it is not intended that in limitation the application.Term " and or " used herein includes one or more relevant listed items
Any and all combinations.
Fig. 1 is the structural schematic diagram of RRU device down going channel that an embodiment provides, and RRU device is by baseband signal unit
It separates, also separates the Base Band Unit of base station and radio frequency unit, between baseband signal unit and transmitting unit with transmitting unit
By the remote transmission base band of light or internet, so as to so as to reach optimum state to signal-to-noise ratio.As shown in Figure 1, RRU
Down going channel mainly includes sequentially connected CPU, field programmable gate array (Field-Programmable Gate in equipment
Array, FPGA) and down going channel link, any down going channel link mainly includes the digital-to-analogue conversion connecting with FPGA
Device D/A, downlink radio frequency link, downstream feedback link and the modulus converter A/D being connect with FPGA.The embodiment of the present application mentions
The standing-wave ratio detecting method of confession can with flexible configuration parameter, suitable for most of digital RF equipment for needing standing-wave ratio to detect,
And the hardware technology needed is the prior art, therefore, RRU device relevant to the method for the present invention is realized is omitted in the present embodiment
In other necessary structures, furthermore repeated no more about the basic functional principle of RRU device.
Statistical module is also configured on the FPGA, the statistical module includes forward power statistical module and backward power
Statistical module, wherein forward power statistical module is connect with digital analog converter D/A, and the forward direction base band for counting baseband signal is sent out
Penetrate power；Backward power statistical module is connect with modulus converter A/D, and the reversed base band for counting baseband signal reflects function
Rate.
It include at least one statistical module in the FPGA, the down going channel link and statistical module, which correspond, to be connected
It connects, it is specific as shown in Figure 2.The hardware technology as required for the present invention is the prior art, the present embodiment be omitted with
Realize other necessary structures in the relevant RRU device of the method for the present invention.
Fig. 3 is the flow chart for the standing-wave ratio detecting method that an embodiment provides, as shown in figure 3, standing-wave ratio detecting method packet
Step 310 is included to step 330, in which:
Step 310, the forward direction baseband transmission power of baseband signal is counted, and delays the anti-of statistics baseband signal when default
To base band reflection power.
In one embodiment, statistics baseband signal passes through the propagation delay time of downlink radio frequency link and downstream feedback link,
And using the propagation delay time as default time delay.
It specifically, mainly include phaselocked loop, decaying as shown in figure 4, wherein downlink radio frequency link is this field conventional link
Device, filter and gain module etc., conventional downlink radio frequency link are also sequentially connected with coupler, FB feed circuit, realization
It is DPD (digital pre-distortion) function；Furthermore downstream feedback link mainly includes phaselocked loop, filter.The present invention passes through FPGA reality
The function of now testing time delay, i.e., obtain the default time delay, to achieve the purpose of the present invention, downlink radio frequency link by FPGA
It also needs to constitute standing-wave ratio detection link with isolator, echo reflection circuit connection, isolator is connected thus by radio frequency with duplexer
Reflect hoop tieback to receive, specific practice is: holding downlink duplexer output loading first is mismatch Conditions, is controlled by FPGA
Channel selection switch closure is to be connected downlink radio frequency link, standing-wave ratio detects the link between link and downstream feedback link, from
And it is back to A/D through downstream feedback link after exporting baseband signal to downlink radio frequency link from D/A, and after A/D sampling, FPGA meter
The propagation delay time for calculating the baseband signal, using the propagation delay time as default time delay namely precise delay T1.The time delay value is general
Will not change, as long as so initial testing obtain after, after being read by CPU become preset parameter save, without repeatedly into
Row test.The present embodiment can pass through the forward direction baseband transmission function of the forward power statistical module counts baseband signal in FPGA
Rate, the reversed base band reflection power of backward power statistical module counts baseband signal in FPGA.
After statistics starts, the forward direction baseband transmission power P 1 of the forward power statistical module counts baseband signal of FPGA.
Precisely timing after statistics starts, the baseband signal is from D/A output by downlink radio frequency link back reflection to downstream feedback link, In
It is delayed after the T1 time, the reversed base band reflection power P2 of the backward power statistical module counts baseband signal of FPGA.
By first passing through before the forward power statistical module counts in FPGA to baseband transmission power, after accurate delay T1
Pass through the reversed base band reflection power of backward power statistical module counts in FPGA, it can be ensured that the signal of power statistic is same
Baseband signal improves the detection accuracy of standing-wave ratio.
Step 320, according to the preceding transmitting function for obtaining RRU device to the gain of baseband transmission power and downlink radio frequency link
Rate, and the reflection power according to the gain of reversed base band reflection power and downstream feedback link acquisition RRU device.
In one embodiment, the transmitting function of RRU device is obtained according to the gain of forward emitting power and downlink radio frequency link
Before rate, further includes:
Power is counted by the forward direction that transmitting the first test signal statistics first test signal；
Obtain detection power of the first test signal after downlink radio frequency link；
According to preceding to statistics power and detection power, the gain of downlink radio frequency link is obtained.
Specifically, as shown in fig. 7, signal, and the frequency spectrograph by connecting with duplexer are tested in control FPGA transmitting first
Test RRU downlink radio frequency link obtains the gain G 1 of downlink radio frequency link.Gain G 1 can pass through the detection power on frequency spectrograph
The forward direction baseband transmission power of FPGA statistics is subtracted to obtain.
The present embodiment can use CW test method, and CW test is exactly to use continuous wave as the first test signal, test
Its propagation loss.Use continuous wave as signal source, the propagation loss of signal is just only related with transmission channel, and with signal itself
Not related, it is accurate that the data that test obtains so more compare.
In one embodiment, the anti-of RRU device is obtained according to the gain of reversed base band reflection power and downstream feedback link
It penetrates before power, method further include:
The transmission power of signal is tested by transmitting the second test signal statistics second；
Obtain reversed statistics power of the second test signal after downstream feedback link；
According to transmission power and reversed statistics power, the gain of downstream feedback link is obtained.
Specifically, echo reflection circuit is connected by FPGA control switch.The signal of control and echo reflection circuit connection
Source transmitting the second test signal, and obtain the transmission power of the second test signal.Second test signal passes through downgoing reflection link
Transmitting is to FPGA, and the backward power statistical module counts second of FPGA test the reversed base band reflection power of signal, by reversed base
Transmission power with reflection power subtraction signal source obtains the gain G 2 of downstream feedback link.
After the gain G 2 of the gain G 1 and downstream feedback link that get downlink radio frequency link, according to preceding to baseband transmission
The gain G 1 of power and downlink radio frequency link obtains the transmission power of RRU device, and according to reversed base band reflection power under
The gain G 2 of row feedback link obtains the reflection power of RRU device.
FPGA passes through production after the forward direction baseband transmission power P 1 and reversed base band reflection power P2 for counting on baseband signal
Raw trigger signal notifies CPU readout power value P1 and P2.And in the gain G 1 and downstream feedback chain for getting downlink radio frequency link
After the gain G 2 on road, transmission power and reflection power are obtained through conversion.Conversion process is as follows: P1+G1=transmission power, P2+G2
=reflection power.Notice FPGA carries out next round statistics after CPU is read successfully.
Step 330, the standing-wave ratio of RRU device is calculated according to transmission power and reflection power.Get transmission power and
After reflection power, it is calculated by the following formula the standing-wave ratio of RRU device.
It should be noted that the standing-wave ratio detecting method that above embodiments provide is the standing wave of down going channel link all the way
Than testing process, if any multichannel down going channel link, repeatable above-mentioned steps detect respectively.
Standing-wave ratio detecting method provided in this embodiment, the forward direction baseband transmission power including counting baseband signal, and
The reversed base band reflection power of statistics baseband signal is delayed when default；According to preceding to baseband transmission power and downlink radio frequency link
Gain obtains the transmission power of RRU device, and obtains RRU according to the gain of reversed base band reflection power and downstream feedback link
The reflection power of equipment；The standing-wave ratio of RRU device is calculated according to transmission power and reflection power.Above-mentioned standing-wave ratio detecting method,
By, to baseband transmission power, reversed base band reflection power being counted after precise delay, it is ensured that the letter of power statistic before first counting
Number be same baseband signal, to improve the detection accuracy of standing-wave ratio in RRU device.
In one embodiment, it as shown in figure 5, counting the forward direction baseband transmission power of baseband signal, and is delayed when default
The reversed base band reflection power for counting baseband signal includes step 510 and step 520, in which:
Step 510, present system time and default statistical time are obtained；
Step 520, the forward direction baseband transmission power of baseband signal in default statistical time is counted, and in present system time
It is default when delay reversed base band reflection power of the statistics baseband signal in default statistical time.
The network formats of default statistical time and communication system will match.The network formats of communication system include LTE,
CDMA or GSM etc., the slot time that different network formats transmit signal is different, therefore, when network formats change, presets system
It needs correspondingly to be adjusted between timing.
When RRU device is worked normally, the forward power statistical module of FPGA counts base in default statistical time
The forward direction baseband transmission power P 1 of band signal, to baseband transmission power before obtaining averagely, according to averagely preceding to baseband transmission power
Gain with downlink radio frequency link obtains the transmission power of baseband signal.
In one embodiment, reflection power packet is determined according to the gain of reversed base band reflection power and downstream feedback link
It includes: according to reversed baseband transmission power and default statistical time, obtaining averagely reversed baseband transmission power；According to averagely reversed
The gain of baseband transmission power and downstream feedback link obtains the reflection power of baseband signal.
Baseband signal passes through reverse feedback link, and the backward power statistical module of FPGA statistics in default statistical time is anti-
To base band reflection power, averagely reversed base band reflection power is obtained, according to averagely reversed base band reflection power and downlink radio frequency chain
The gain on road obtains the transmission power of baseband signal.It should be noted that baseband transmission power and average reversed base before average
Statistical time with reflection power will guarantee unanimously.By averagely preceding to baseband transmission power and average reversed base band reflection power
The mode for respectively obtaining transmission power and reflection power is more accurate, can reduce the detection error of standing wave ratio.In addition, default
Statistical time can be adjusted according to network formats, so that the communication system of multiple types can be used in the detection method, inspection
Survey method is more general.
It should be understood that although each step in the flow chart of Fig. 3 and Fig. 5 is successively shown according to the instruction of arrow,
But these steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly state otherwise herein, these
There is no stringent sequences to limit for the execution of step, these steps can execute in other order.Moreover, in Fig. 3 and Fig. 5
At least part step may include that perhaps these sub-steps of multiple stages or stage are not necessarily same to multiple sub-steps
One moment executed completion, but can execute at different times, and the execution in these sub-steps or stage sequence is also not necessarily
Be successively carry out, but can at least part of the sub-step or stage of other steps or other steps in turn or
Alternately execute.
In one embodiment, as shown in fig. 6, providing a kind of standing wave ration detection device, comprising: statistical module 610 obtains
Modulus block 620 and computing module 630, in which:
Statistical module 610 for counting the forward direction baseband transmission power of baseband signal, and delays statistics base band when default
The reversed base band reflection power of signal.
Module 620 is obtained, for obtaining RRU device to the gain of baseband transmission power and downlink radio frequency link according to preceding
Transmission power, and the reflection power according to the gain of reversed base band reflection power and downstream feedback link acquisition RRU device.
Computing module 630, for calculating the standing-wave ratio of RRU device according to transmission power and reflection power.
In one embodiment, module 620 is being obtained according to the gain of forward emitting power and downlink radio frequency link acquisition RRU
Before the transmission power of equipment, standing wave ration detection device also passes through the forward direction that transmitting the first test signal statistics first test signal
Count power；
Obtain detection power of the first test signal after downlink radio frequency link；
According to preceding to statistics power and detection power, the gain of downlink radio frequency link is obtained.
In one embodiment, it is obtained in acquisition module 620 according to the gain of reversed base band reflection power and downstream feedback link
Before taking the reflection power of RRU device, standing wave ration detection device also passes through transmitting the second test signal statistics second and tests signal
Transmission power；
Obtain reversed statistics power of the second test signal after downstream feedback link；
According to transmission power and reversed statistics power, the gain of downstream feedback link is obtained.
In one embodiment, standing wave ration detection device further includes default time delay determining module, for counting baseband signal warp
The propagation delay time of downlink radio frequency link and downstream feedback link is crossed, and using propagation delay time as default time delay.
In one embodiment, the forward direction baseband transmission power of statistical module counts baseband signal, and system is delayed when default
Meter baseband signal reversed base band reflection power include:
Obtain present system time and default statistical time；
The forward direction baseband transmission power of baseband signal in default statistical time is counted, and in the pre- of above-mentioned present system time
If when delay reversed base band reflection power of the statistics baseband signal in default statistical time.
In one embodiment, module 620 is obtained to be obtained according to preceding to the gain of baseband transmission power and downlink radio frequency link
The transmission power of RRU device includes:
According to preceding to baseband transmission power and default statistical time, to baseband transmission power before obtaining averagely；
According to the averagely preceding transmission power for obtaining baseband signal to the gain of baseband transmission power and downlink radio frequency link.
In one embodiment, module 620 is obtained to be obtained according to the gain of reversed base band reflection power and downstream feedback link
The reflection power of RRU device includes:
According to reversed baseband transmission power and default statistical time, averagely reversed baseband transmission power is obtained；
The reflection power of baseband signal is obtained according to the gain of averagely reversed baseband transmission power and downstream feedback link.
Specific about standing wave ration detection device limits the restriction that may refer to above for standing-wave ratio detecting method, In
This is repeated no more.Modules in above-mentioned standing wave ration detection device can come fully or partially through software, hardware and combinations thereof
It realizes.Above-mentioned each module can be embedded in the form of hardware or independently of in the processor in computer equipment, can also be with software
Form is stored in the memory in computer equipment, executes the corresponding operation of the above modules in order to which processor calls.
In one embodiment, a kind of computer equipment is provided, which can be terminal, internal structure
Figure can be as shown in Figure 7.The computer equipment includes processor, the memory, network interface, display connected by system bus
Screen and input unit.Wherein, the processor of the computer equipment is for providing calculating and control ability.The computer equipment is deposited
Reservoir includes non-volatile memory medium, built-in storage.The non-volatile memory medium is stored with operating system and computer journey
Sequence.The built-in storage provides environment for the operation of operating system and computer program in non-volatile memory medium.The calculating
The network interface of machine equipment is used to communicate with external terminal by network connection.When the computer program is executed by processor with
Realize a kind of standing-wave ratio detecting method.The display screen of the computer equipment can be liquid crystal display or electric ink is shown
Screen, the input unit of the computer equipment can be the touch layer covered on display screen, be also possible on computer equipment shell
Key, trace ball or the Trackpad of setting can also be external keyboard, Trackpad or mouse etc..
It will be understood by those skilled in the art that structure shown in Fig. 7, only part relevant to application scheme is tied
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific computer equipment
It may include perhaps combining certain components or with different component layouts than more or fewer components as shown in the figure.
In one embodiment, a kind of computer equipment, including memory and processor are provided, is stored in memory
Computer program, the processor perform the steps of when executing computer program
The forward direction baseband transmission power of baseband signal is counted, and the reversed base band for delaying when default statistics baseband signal is anti-
Penetrate power；
According to the preceding transmission power for obtaining RRU device to the gain of baseband transmission power and downlink radio frequency link, Yi Jigen
The reflection power of RRU device is obtained according to the gain of reversed base band reflection power and downstream feedback link；
The standing-wave ratio of RRU device is calculated according to transmission power and reflection power.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program performs the steps of when being executed by processor
The forward direction baseband transmission power of baseband signal is counted, and the reversed base band for delaying when default statistics baseband signal is anti-
Penetrate power；
According to the preceding transmission power for obtaining RRU device to the gain of baseband transmission power and downlink radio frequency link, Yi Jigen
The reflection power of RRU device is obtained according to the gain of reversed base band reflection power and downstream feedback link；
The standing-wave ratio of RRU device is calculated according to transmission power and reflection power.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Instruct relevant hardware to complete by computer program, computer program to can be stored in a non-volatile computer readable
It takes in storage medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, this Shen
Please provided by any reference used in each embodiment to memory, storage, database or other media, may each comprise
Non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of standing-wave ratio detecting method, which is characterized in that the described method includes:
Count the forward direction baseband transmission power of baseband signal, and delay when default count the baseband signal reversed base band it is anti-
Penetrate power；
The transmission power of RRU device, Yi Jigen are obtained according to the gain of the forward direction baseband transmission power and downlink radio frequency link
The reflection power of the RRU device is obtained according to the gain of the reversed base band reflection power and downstream feedback link；
The standing-wave ratio of the RRU device is calculated according to the transmission power and the reflection power.
2. the method according to claim 1, wherein described according to the forward emitting power and downlink radio frequency chain
Before the gain on road obtains the transmission power of RRU device, the method also includes:
Power is counted by the forward direction of the first test signal described in transmitting the first test signal statistics；
Obtain detection power of the first test signal after the downlink radio frequency link；
Power and the detection power are counted according to the forward direction, obtains the gain of the downlink radio frequency link.
3. the method according to claim 1, wherein described anti-according to the reversed base band reflection power and downlink
Before the reflection power of gain acquisition RRU device for presenting link, the method also includes:
Pass through the transmission power of the second test signal described in transmitting the second test signal statistics；
Obtain reversed statistics power of the second test signal after the downstream feedback link；
According to the transmission power and the reversed statistics power, the gain of the downstream feedback link is obtained.
4. the method according to claim 1, wherein the method also includes:
It counts the baseband signal to pass through between the propagation delay time of the downlink radio frequency link and downstream feedback link, and will be described
Propagation delay time is as the default time delay.
5. the method according to claim 1, wherein it is described statistics baseband signal forward direction baseband transmission power,
And it is delayed when default and counts the reversed base band reflection power of the baseband signal and include:
Obtain present system time and default statistical time；
Count the forward direction baseband transmission power of baseband signal in default statistical time, and present system time it is default when delay
Count reversed base band reflection power of the baseband signal in the default statistical time.
6. according to the method described in claim 5, it is characterized in that, according to the forward direction baseband transmission power and downlink radio frequency chain
The transmission power that the gain on road obtains RRU device includes:
According to the forward direction baseband transmission power and default statistical time, to baseband transmission power before obtaining averagely；
According to the average preceding hair for obtaining the baseband signal to the gain of baseband transmission power and the downlink radio frequency link
Penetrate power.
7. according to the method described in claim 5, it is characterized in that, according to the reversed base band reflection power and downstream feedback chain
The reflection power that the gain on road obtains RRU device includes:
According to the reversed baseband transmission power and default statistical time, averagely reversed baseband transmission power is obtained；
The anti-of the baseband signal is obtained according to the gain of the average reversed baseband transmission power and the downstream feedback link
Penetrate power.
8. a kind of standing wave ration detection device, which is characterized in that described device includes:
Statistical module for counting the forward direction baseband transmission power of baseband signal, and delays the statistics base band letter when default
Number reversed base band reflection power；
Module is obtained, for obtaining the hair of RRU device according to the gain of the forward direction baseband transmission power and downlink radio frequency link
Power is penetrated, and obtains the reflection of the RRU device according to the gain of the reversed base band reflection power and downstream feedback link
Power；
Computing module, for calculating the standing-wave ratio of the RRU device according to the transmission power and the reflection power.
9. a kind of computer equipment, including memory and processor, the memory are stored with computer program, feature exists
In the step of processor realizes any one of claims 1 to 7 the method when executing the computer program.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any one of claims 1 to 7 is realized when being executed by processor.
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| CN201910556135.9A CN110417485B (en) | 2019-06-25 | 2019-06-25 | Standing-wave ratio detection method and device, computer equipment and readable storage medium |
| PCT/CN2019/127162 WO2020258777A1 (en) | 2019-06-25 | 2019-12-20 | Standing wave ratio measurement method and apparatus, computer device, and readable storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030760A (en) * | 2019-12-23 | 2020-04-17 | 京信通信系统（中国）有限公司 | Standing wave detection method and device |
| WO2020258777A1 (en) * | 2019-06-25 | 2020-12-30 | 三维通信股份有限公司 | Standing wave ratio measurement method and apparatus, computer device, and readable storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834677A (en) * | 2010-03-11 | 2010-09-15 | 京信通信系统（中国）有限公司 | Base band power statistic-based standing wave detecting system and method for radio frequency remote system |
| CN102457334A (en) * | 2010-10-22 | 2012-05-16 | 中兴通讯股份有限公司 | Method and device for detecting standing-wave ratio in global microwave internet access system |
| CN103401624A (en) * | 2013-08-20 | 2013-11-20 | 武汉邮电科学研究院 | Method for detecting SWR (standing-wave ratio) of PDD (Frequency Division Duplex) LTE (Long Term Evolution) RRU (Remote Radio Unit) |
| US20140050114A1 (en) * | 2011-04-29 | 2014-02-20 | Telefonaktiebolaget L M Ericsson (Publ) | Method, apparatus and system for determining voltage standing wawe ratio in downlink period of radio communication |
| CN107809291A (en) * | 2017-11-08 | 2018-03-16 | 武汉邮电科学研究院 | A kind of TDD and FDD LTE RRU general standing-wave ratio detecting method |
| US20190182019A1 (en) * | 2017-12-12 | 2019-06-13 | Fujitsu Limited | Radio communication apparatus and method of controlling phase of reflected wave |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080102874A1 (en) * | 2006-10-28 | 2008-05-01 | Motorola, Inc. | Control of transmit power of a second transmitter based on antenna loading parameters measured on a first transmitter |
| CN106571879A (en) * | 2015-10-12 | 2017-04-19 | 中兴通讯股份有限公司 | Power detection method and device |
| CN110417485B (en) * | 2019-06-25 | 2020-12-15 | 三维通信股份有限公司 | Standing-wave ratio detection method and device, computer equipment and readable storage medium |
-
2019
- 2019-06-25 CN CN201910556135.9A patent/CN110417485B/en active Active
- 2019-12-20 WO PCT/CN2019/127162 patent/WO2020258777A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834677A (en) * | 2010-03-11 | 2010-09-15 | 京信通信系统（中国）有限公司 | Base band power statistic-based standing wave detecting system and method for radio frequency remote system |
| CN102457334A (en) * | 2010-10-22 | 2012-05-16 | 中兴通讯股份有限公司 | Method and device for detecting standing-wave ratio in global microwave internet access system |
| US20140050114A1 (en) * | 2011-04-29 | 2014-02-20 | Telefonaktiebolaget L M Ericsson (Publ) | Method, apparatus and system for determining voltage standing wawe ratio in downlink period of radio communication |
| CN103401624A (en) * | 2013-08-20 | 2013-11-20 | 武汉邮电科学研究院 | Method for detecting SWR (standing-wave ratio) of PDD (Frequency Division Duplex) LTE (Long Term Evolution) RRU (Remote Radio Unit) |
| CN107809291A (en) * | 2017-11-08 | 2018-03-16 | 武汉邮电科学研究院 | A kind of TDD and FDD LTE RRU general standing-wave ratio detecting method |
| US20190182019A1 (en) * | 2017-12-12 | 2019-06-13 | Fujitsu Limited | Radio communication apparatus and method of controlling phase of reflected wave |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020258777A1 (en) * | 2019-06-25 | 2020-12-30 | 三维通信股份有限公司 | Standing wave ratio measurement method and apparatus, computer device, and readable storage medium |
| CN111030760A (en) * | 2019-12-23 | 2020-04-17 | 京信通信系统（中国）有限公司 | Standing wave detection method and device |
| CN111030760B (en) * | 2019-12-23 | 2022-04-22 | 京信网络系统股份有限公司 | Standing wave detection method and device |
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|---|---|
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| CN110417485B (en) | 2020-12-15 |
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