CN103270786A - Method for obtaining voltage standing wave ratio, and circuit and base station device - Google Patents
Method for obtaining voltage standing wave ratio, and circuit and base station device Download PDFInfo
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- CN103270786A CN103270786A CN2011800575732A CN201180057573A CN103270786A CN 103270786 A CN103270786 A CN 103270786A CN 2011800575732 A CN2011800575732 A CN 2011800575732A CN 201180057573 A CN201180057573 A CN 201180057573A CN 103270786 A CN103270786 A CN 103270786A
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/04—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
- G01R27/06—Measuring reflection coefficients; Measuring standing-wave ratio
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Abstract
Provided in an embodiment of the present invention are a method for obtaining voltage standing wave ratio (VSWR), and circuit and base station device. The method is used for obtaining the VSWR of a receiving antenna feeder, comprising: Obtaining a first signal by up-converting a first detection signal using a first local oscillator signal; obtaining a second detection signal by sampling the first signal; coupling the second detection signal to the antenna of the receiving antenna feeder; obtaining the reflected signal of the second detection signal; obtaining the VSWR corresponding to the receiving antenna feeder according to the reflected signal and the first detection signal. The technical solution of the embodiment of the present invention enables personnel to conveniently obtain the VSWR corresponding to the receiving antenna feeder without going on-site for testing.
Description
The acquisition methods and circuit of voltage standing wave ratio, base station equipment
Technical field
The present embodiments relate to acquisition methods and circuit, the base station equipment of communication technical field, more particularly to a kind of voltage standing wave ratio.Background technology
Radio communication base station is made up of base station equipment and antenna feeder equipment.The quality monitoring of wherein antenna feeder equipment is the primary demand of network equipment maintenance.
Under normal circumstances, it is necessary to which all antenna feeder equipment that monitoring is connected with base station as much as possible whether there is failure in the maintenance of antenna feeder equipment.Antenna feeder equipment can be divided into for being only used for receiving the receptions antenna feeder of signal, be only used for the transmitting antenna feeder of transmission signal and can receiving signal and the antenna feeder equipment of energy transmission signal according to function under normal circumstances.Antenna feeder equipment for being capable of transmission signal, generally according to the reflected signal of transmission signal and transmission signal, obtains corresponding voltage standing wave ratio (the Voltage Standing Wave Ratio of transmitting antenna feeder;Hereinafter referred to as VSWR), by judging that the corresponding VSWR of transmitting antenna feeder stool and urine can determine that transmitting antenna feeder whether there is failure.And for being only used for receiving the reception antenna feeder of signal, its corresponding VSWR can not generally be obtained, need to disconnect the feeder line for receiving antenna feeder, the progress on-the-spot test of antenna feeder equipment is being received using instrument by staff, failure is whether there is to determine to receive antenna feeder equipment.
In process of the present invention is realized, inventor has found that at least there are the following problems in the prior art：For in the fault test for the reception antenna feeder for being only used for receiving signal, due to its corresponding VSWR can not be obtained, causing to receive the more numerous Suo of antenna feeder equipment fault test process.The content of the invention
The present invention provides acquisition methods and circuit, the base station equipment of a kind of voltage standing wave ratio from many aspects, to solve to be only used in the prior art in the fault test for the reception antenna feeder for receiving signal, due to can not
Its corresponding VSWR is obtained, causes to receive the more numerous Suo of antenna feeder equipment fault test process defect.One aspect of the present invention provides a kind of acquisition methods of voltage standing wave ratio, including：
Upconversion process is carried out to first detection signal using the first local oscillation signal, the first signal is obtained；The frequency of first signal is in the frequency range of the reception frequency range of the reception antenna feeder；Sampling obtains second and detects signal from first signal；
By the described second detection signal coupled on the antenna for receiving antenna feeder, for the antenna transmitting of the reception antenna feeder the second detection signal；
Obtain the reflected signal of the second detection signal；
According to the reflected signal and the first detection signal of the described second detection signal, or reflected signal and the described second detection signal according to the described second detection signal, obtain the corresponding voltage standing wave ratio barrier of the reception antenna feeder.Another aspect of the present invention provides a kind of acquisition circuit of voltage standing wave ratio, including：
Upconversion process module, for carrying out upconversion process to first detection signal using the first local oscillation signal, obtains the first signal；The frequency of first signal is in the frequency range of the reception frequency range of the reception antenna feeder；
Sampling module, sampling obtains second and detects signal from first signal；
Coupling module, by the described second detection signal coupled on the antenna for receiving antenna feeder, for the antenna transmitting of the reception antenna feeder equipment the second detection signal；
Acquisition module, the reflected signal for obtaining the second detection signal；
Processing module, for the reflected signal and the first detection signal according to the described second detection signal, or reflected signal and the described second detection signal according to the described second detection signal, obtain the corresponding voltage standing wave ratio of the reception antenna feeder.Further aspect of the present invention provides a kind of base station equipment, includes the acquisition circuit of voltage standing wave ratio as described above.
The acquisition methods and circuit of the voltage standing wave ratio of the embodiment of the present invention, carry out upconversion process to first detection signal by using the first local oscillation signal, obtain the first signal；The frequency of the local oscillation signal
In the frequency range of reception frequency range in the reception antenna feeder；Sampling obtains second and detects signal from first signal；By the described second detection signal coupled on the antenna for receiving antenna feeder, for the antenna transmitting of the reception antenna feeder the second detection signal；Obtain the reflected signal of the second detection signal；According to the reflected signal and the first detection signal of the described second detection signal, or reflected signal and the described second detection signal according to the described second detection signal, obtain the corresponding voltage standing wave ratio of the reception antenna feeder.The technical scheme of the embodiment of the present invention is applied to the reception antenna feeder that detection is used to receive signal.Solve in the prior art due to its corresponding VSWR can not be obtained, cause to receive the more numerous Suo of antenna feeder equipment fault test process defect.Using the technical scheme of the embodiment of the present invention, allow and do not spend on-the-spot test without staff, just the corresponding VSWR of reception antenna feeder can easily be got, and further can determine that the reception antenna feeder whether there is failure according to the VSWR, so as to effectively improve the maintenance efficiency to receiving antenna feeder.Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the acquisition circuit diagram of the voltage standing wave ratio of transmitting antenna feeder.
The flow chart of the acquisition methods for the voltage standing wave ratio that Fig. 2 provides for one embodiment of the invention.
The structural representation of the acquisition circuit for the voltage standing wave ratio that Fig. 3 provides for one embodiment of the invention.Fig. 4 is the structural representation of the acquisition circuit of the voltage standing wave ratio of another embodiment of the present invention.Fig. 5 is the structural representation of the acquisition circuit of the voltage standing wave ratio of yet another embodiment of the invention.The circuit diagram of the acquisition circuit for the voltage standing wave ratio that Fig. 6 provides for one embodiment of the invention.
The circuit diagram of the acquisition circuit for the voltage standing wave ratio that Fig. 7 provides for the embodiment of another embodiment of the present invention.
The acquisition circuit for the voltage standing wave ratio that Fig. 8 provides for the embodiment of yet another embodiment of the invention
Circuit diagram.Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
Fig. 1 is the acquisition circuit diagram of the voltage standing wave ratio of transmitting antenna feeder.As shown in Figure 1, in the acquisition process for the voltage standing wave ratio for launching antenna feeder, mainly according to the reflected signal of transmission signal and transmission signal, the corresponding VSWR of transmitting antenna feeder is obtained, further can be by judging that the corresponding VSWR of transmitting antenna feeder stool and urine can determine that transmitting antenna feeder whether there is failure.
As shown in figure 1, when carrying out the acquisition of voltage standing wave ratio, digital signal processor 11a transmitting basebands signal is as transmission signal, and then transmission signal is through digital analog converter（Digital Analog Converter;Hereinafter referred to as DAC) transmission signal sent of the la of digital signal processor 1 in base station is converted to analog signal by la by data signal.Upconversion process device 2a receives the transmission signal for having been converted into analog signal, and carries out upconversion process to the transmission signal received using the first local oscillation signal of transmitting local oscillator 3a transmittings.The frequency of transmission signal after being handled through upconversion process device 2a upconversion process is in the frequency range of the transmitting frequency range of antenna.Transmission signal after upconversion process processing is after the first filter amplifier 4a filter amplifying processings and power amplifier 5a power amplifications processing, transmission signal is transmitted into emission filter 6a the filtering process before being launched, the transmission signal after processing is then transferred to antenna by emission filter 6a.Antenna described here at least can be used for transmission signal, can be used for receiving signal.
Return signal can be produced after launching due to transmission signal through antenna, the return signal is properly termed as reflected signal, as shown in figure 1, in position A coupler can be set to be sampled from transmission signal, obtain transmission signal.Coupler is set at the B of position or at the C of position with from the reflection of transmission signal
Sampled in signal, obtain reflected signal.The transmission signal obtained at the A of position be properly termed as before to sampled signal.The sampled signal obtained at the B of position or at the C of position is properly termed as backward sampled signal.After getting transmission signal or reflected signal, transmission signal and reflected signal are transferred to feedback frequency mixer 7a, feedback frequency mixer 7a in the way of the time-division and carry out Frequency mixing processing to the transmission signal or reflected signal received respectively using the second local oscillation signal for feeding back local oscillator 8a generations；The frequency of wherein the second local oscillation signal that feedback local oscillator 8a is produced is according to the corresponding set of frequency of the second filter amplifier 9a, to cause the frequency of the transmission signal after Frequency mixing processing or reflected signal to be in the second twt amplifier 9a operating frequency range, the second twt amplifier 9a working frequency refers to the frequency range of the signal retained after the second wave filter 9a filtering clutters.Then processing is filtered to the transmission signal or reflected signal after Frequency mixing processing by the second filter amplifier 9a, then through analog-digital converter（ Analog Digital Converter;Hereinafter referred to as ADC) transmission signal or reflected signal after filtering process be converted to data signal by 10a by analog signal.And by transmission signal and reflected signal of the digital signal processor 11a according to digital signals format, obtain the VSWR of the reception antenna feeder.Wherein transmission signal and reflected signal are transmitted to digital signal processor 11a from feedback frequency mixer 7a and transmitted according to time division way, are interfered with each other with ensureing that transmission signal and reflected signal will not be transmitted simultaneously.Digital signal processor 11a obtain the VSWR of reception antenna feeder method can be specifically by the level of reflected signal compared with the level of transmission signal, the VSWR of the reception antenna feeder is obtained, can further determine that transmitting antenna feeder whether there is failure according to VSWR.Digital signal processor 11a can also calculate the trouble point information for obtaining transmitting antenna feeder according to reflected signal and transmission signal simultaneously, further more accurately judge that the transmitting antenna feeder whether there is failure according to the VSWR and trouble point information that receive antenna feeder.Therefore trouble point information that VSWR and trouble point detection scheduling algorithm can be provided with digital signal processor 11a to calculate VSWR and transmitting antenna feeder etc..
Alternatively, in above-described embodiment, because the transmission signal that the coupler set at A samples acquisition from transmission signal is obtained according to the digital signal processor 11a baseband signals launched.When digital analog converter la, upconversion process device 2a, the first filter amplifier 4a, power amplifier 5a, feedback frequency mixer 7a, the second filter amplifier 9a and analog-digital converter 10a are true to the gain effects of signal
Regularly, the transmission signal directly can be got according to the 1a of digital signal processor 1 baseband signals launched and digital analog converter la, upconversion process device 2a, the first filter amplifier 4a, power amplifier 5a, feedback frequency mixer 7a, the gain of the second filter amplifier 9a and analog-digital converter 10a to signal, now be not used in setting coupler to sample acquisition transmission signal from transmission signal at A.Wherein digital analog converter la, upconversion process device 2a, the first filter amplifier 4a, power amplifier 5a, feedback frequency mixer 7a, the gain of the second filter amplifier 9a and analog-digital converter 10a to signal are mainly reflected in gains of the power amplifier 5a to signal.Digital analog converter la, upconversion process device 2a, the first filter amplifier 4a, feedback frequency mixer 7a, the gain of the second filter amplifier 9a and analog-digital converter 10a to signal can be ignored.In practical application, gain parameter of the element to the gain effects of signal can be labeled with the element such as digital analog converter la, upconversion process device 2a, the first filter amplifier 4a, power amplifier 5a, feedback frequency mixer 7a, the second filter amplifier 9a and analog-digital converter 10a.Transmission signal directly can be obtained according to the digital signal processor 11a baseband signals launched and the gain parameter marked on each element in use.
The flow chart of the acquisition methods for the voltage standing wave ratio that Fig. 2 provides for one embodiment of the invention.As shown in Fig. 1, the executive agent of the acquisition methods of the voltage standing wave ratio of the present embodiment is the acquisition circuit of a voltage standing wave ratio, and the acquisition circuit of the voltage standing wave ratio can be set in a base station.The acquisition methods of the voltage standing wave ratio of the present embodiment go for obtaining the voltage standing wave ratio for receiving antenna feeder.The acquisition methods of the voltage standing wave ratio of the present embodiment, can specifically include as follows：
100th, upconversion process is carried out to first detection signal using the first local oscillation signal, obtains the first signal；
The frequency of the first signal is in the frequency range for the reception frequency range for receiving antenna feeder wherein in the present embodiment；In practical application, the frequency of first local oscillation signal is determined according to the frequency of first detection signal, is in ensureing to obtain the first signal after upconversion process in the frequency range for the reception frequency range for receiving antenna feeder.The first detection signal is what digital signal processor was sent.
101st, sampling obtains second and detects signal from the first signal；
Such as can transmit the first signal circuit in using set coupler common element from this
Sampled in first signal, obtain the second detection signal.
102nd, by the second detection signal coupled on the antenna for receiving antenna feeder, so that the antenna transmitting second for receiving antenna feeder detects signal；
103rd, the second reflected signal for detecting signal is obtained；
104th, according to the reflected signal and first detection signal of the second detection signal, or reflected signal and the second detection signal according to the second detection signal, obtain and receive the corresponding VSWR of antenna feeder.
The application scenarios of the present embodiment are receiving progress under antenna feeder is in off-line mode.Now terminate all transmission signals, and will produce the set of frequency of the local oscillator unit of the first local oscillation signal is with receiving the frequency that frequency range matches, to cause the frequency for the first signal for first detection signal obtain after upconversion process using first local oscillation signal to be at receiving in the frequency of frequency range.Then after getting the second detection signal from the first sample of signal, because the second detection signal is considered as to receive the signal that receives of antenna of antenna feeder, by the second detection signal coupled on the antenna for receiving antenna feeder in the present embodiment, so that the antenna for receiving antenna feeder launches the second detection signal.After launching the second detection signal due to antenna, the second detection signal can reflect, therefore can get the reflected signal of the second detection signal.It can finally be obtained according to the reflected signal and first detection signal of the second detection signal and receive the corresponding VSWR of antenna feeder.It is possible to further determine that receiving antenna feeder whether there is failure according to the VSWR.
Alternatively, to the reflected signal and first detection signal according to the second detection signal in the present embodiment, or reflected signal and the second detection signal according to the second detection signal, the mode for obtaining the corresponding VSWR of reception antenna feeder is not limited, and any one mode for obtaining VSWR in the prior art that may be referred to can be realized.It for example may be referred to the related method for obtaining VSWR in above-mentioned embodiment illustrated in fig. 1.
The acquisition methods of the voltage standing wave ratio of the present embodiment, carry out upconversion process to first detection signal by using the first local oscillation signal, obtain the first signal；The frequency of first signal is in the frequency range for the reception frequency range for receiving antenna feeder；Sampling obtains second and detects signal from the first signal；By the second detection signal coupled on the antenna for receiving antenna feeder, for receiving antenna transmitting the second detection letter of antenna feeder
Number；Obtain the second reflected signal for detecting signal；According to the reflected signal and first detection signal of the second detection signal, or reflected signal and the second detection signal according to the second detection signal, obtain and receive the corresponding VSWR of antenna feeder.The technical scheme of the present embodiment is applied to the reception antenna feeder that detection is used to receive signal.Solve in the prior art due to its corresponding VSWR can not be obtained, cause to receive the more numerous Suo of antenna feeder equipment fault test process defect.Using the technical scheme of the present embodiment, staff is allowd not spend on-the-spot test, just the corresponding VSWR of reception antenna feeder can be easily got, and can determine that the reception antenna feeder whether there is failure to effectively improve the maintenance efficiency to receiving antenna feeder according further to the VSWR.
Alternatively, in the technical scheme of above-described embodiment, before second detection signal is coupled on the antenna for receiving antenna feeder in 102, it can also comprise the following steps after the second detection of sampling acquisition signal from the first signal in 101：
Second detection signal is decayed, and the second detection signal after decay is launched into the second detection signal coupled on the antenna for receiving antenna feeder for receiving the antenna of antenna feeder.
Because the amplitude for the second detection signal that acquisition is sampled from the first signal may be larger, the second detection signal is carried out into decay using the step can be by the amplitude reduction of the second detection signal, in order to which coupled on the antenna for receiving antenna feeder, the second detection signal after decay is launched into the second detection signal for receiving the antenna of antenna feeder.
Alternatively, in the technical scheme of above-described embodiment, after the reflected signal that the second detection signal is obtained in 103, in 104 signal is detected according to the reflected signal of the second detection signal with first detection signal or according to the reflected signal and second of the second detection signal, obtain before receiving the corresponding VSWR of antenna feeder, can also include as follows：
(1) Frequency mixing processing is carried out to the reflected signal of the second detection signal using the second local oscillation signal, to cause the frequency of the after Frequency mixing processing second reflected signal for detecting signal to be in the operating frequency range of the first filter and amplification module；
Wherein the frequency of the second local oscillation signal can be set according to the working frequency of the first filter and amplification module.The working frequency of first filter and amplification module is referred to after the first filter and amplification module filtering clutter
The frequency range of the signal of reservation.
(2) enhanced processing is filtered to the reflected signal of the second detection signal with the first filter and amplification module；
Because the amplitude of the reflected signal of the second detection signal is smaller, it is not easy to follow-up obtain and receives in the corresponding VSWR of antenna feeder, the present embodiment and the reflected signal of the second detection signal can be filtered enhanced processing, so as to subsequent treatment.
(3) reflected signal of the second detection signal is subjected to analog-to-digital conversion process.
Alternatively, in the technical scheme of above-described embodiment, second detection signal can specifically be included coupled on the antenna for receiving antenna feeder in 102：Second detection signal is coupled in the antenna opening for receiving antenna feeder, or detects that signal is coupled to the acquisition module of the reflected signal for obtaining the second detection signal in front of the antenna opening for receiving antenna feeder and for using second local oscillation signal in the circuit between the frequency mixing module of the reflected signal progress Frequency mixing processing of the described second detection signal by second.
By the second detection signal coupled in the antenna opening for receiving antenna feeder equipment, so can it is more real by the second detection signal imitation be transmission signal.But it is larger to use coupler that the second detection signal is coupling in into enforcement difficulty in antenna opening.By the second detection signal coupled in the circuit between the acquisition module and frequency mixing module in front of the antenna opening for receiving antenna feeder, so it is easy to coupling operation, but the second detection signal will can be only achieved the antenna for receiving antenna feeder to be launched by acquisition module, be likely to result in the loss of signal.In the error allowed band of practical application, two schemes can be implemented.
Alternatively, after the reflected signal that the second detection signal is obtained in the technical scheme of above-described embodiment, in 103,（1) before the reflected signal progress Frequency mixing processing for detecting signal in second using the second local oscillation signal, in addition to：Using the second filter and amplification module to the reflected signal of the second detection signal is filtered into enhanced processing.It can so avoid the directly progress mixing efficiency when reflected signal amplitude of the second detection signal is less not good.Therefore first Frequency mixing processing will can again be carried out after the reflected signal filter amplifying processing of the second detection signal.It should be noted that being filtered in the way of the step after enhanced processing, if the amplitude of the reflected signal of the second detection signal can reach preferable amplitude, it can subsequently save above-mentioned（2) reflected signal of the second detection signal is filtered in and put
The operation handled greatly.
Alternatively, in the technical scheme of above-described embodiment, the first detection signal in 100 is an analog signal, but the signal generally launched in digital signal processor is data signal, therefore before 100, can also be included：Digital simulation is passed through with the first detection signal of digital signal form by what digital signal processor was launched（Digital Analog;Hereinafter referred to as DA) conversion, obtain the first detection signal existed with analog signal form.In practical application, the digital signal processor can be set in a base station.
After above-mentioned optional technical scheme, 104 in above-described embodiment " according to the reflected signal and first detection signal of the second detection signal, or reflected signal and the second detection signal according to the second detection signal, acquisition is received during the corresponding VSWR " of antenna feeder, according to first detection signal and the gain parameter of each element in circuit between the digital signal processor of first detection signal to the antenna for launching the second reception antenna feeder for detecting signal can be sent, calculate the second detection signal for getting the antenna transmitting for receiving antenna feeder, the reflected signal and the gain parameter from the antenna each element into the circuit of the reflected signal of the detection signal of reception second between digital signal processor for receiving antenna feeder of signal can also be detected according to second received, calculate the reflected signal for getting the second detection signal that can be received at the antenna for receiving antenna feeder, obtain so as to the second detection signal and the reflected signal of the second detection signal at the antenna of the reception antenna feeder obtained according to calculating and receive the corresponding VSWR of antenna feeder.For example, specific may be referred to obtain the mode for receiving the corresponding VSWR of antenna feeder according to the reflected signal of the second detection signal and the second detection signal in the prior art, corresponding VSWR is obtained.
Or the second reflected signal for detecting signal and the second detection signal can also be obtained by coupling, receive the corresponding VSWR of antenna feeder calculating so as to achieve a butt joint.
The frequency range of transmission signal is processed as in receiving channel in the working frequency range of reception antenna feeder by transmission channel in each embodiment of the invention, and couple the transmission signal being located in reception antenna feeder working frequency range, launched for receiving antenna feeder, and then the reflected signal of the reception antenna feeder can be obtained.So obtained by the reflected signal to transmitting information and the transmission signal, just can obtain the voltage standing wave ratio for receiving antenna feeder.It is understood that various ways can be had by calculating voltage standing wave ratio, it is specifically
By way of direct-coupling transmission signal and reflected signal; or by carrying out certain deformation to transmission signal and/reflected signal; such as it is mixed, filter, amplifies after deformation; voltage standing wave ratio is obtained according to the signal after deformation, should be all contained in the protection domain of the embodiment of the present invention.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can be completed by the related hardware of programmed instruction, foregoing program can be stored in a computer read/write memory medium, the program upon execution, performs the step of including above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.
The structural representation of the acquisition circuit for the voltage standing wave ratio that Fig. 3 provides for one embodiment of the invention.The acquisition circuit of the voltage standing wave ratio of the present embodiment, which is used to obtain, is used for the voltage standing wave ratio for the reception antenna feeder equipment for receiving signal.As shown in figure 3, the acquisition circuit of the voltage standing wave ratio of the present embodiment, including：Upconversion process module 10, sampling module 11, coupling module 12, acquisition module 13 and processing module 14.
Wherein upconversion process module 10 is used to carry out upconversion process to first detection signal using the first local oscillation signal, obtains the first signal；The frequency of first signal is in the frequency range for the reception frequency range for receiving antenna feeder.Sampling module 11 is connected with upconversion process module 10, and sampling module 11 obtains the second detection signal for being sampled in handling the first obtained signal from upconversion process module 10.Coupling module 12 is connected with sampling module 11, and coupling module 12 is used to sample sampling module 11 the second obtained detection signal coupled to the antenna for receiving antenna feeder, and the second detection signal is launched for receiving the antenna of antenna feeder.Acquisition module 13 is used to sampling module 11 be sampled to the second obtained detection signal coupled to the antenna for receiving antenna feeder in coupling module 12, and after the antenna of reception antenna feeder launches the second detection signal, obtain the reflected signal of the second detection signal.Processing module 14 is connected with acquisition module 13, processing module 14 is used for reflected signal and first detection signal according to the second detection signal, or second the reflected signal of detection signal receive the corresponding VSWR of antenna feeder with the second detection signal acquisition, so as to determine to receive antenna feeder with the presence or absence of failure according further to VSWR.
The acquisition circuit of the voltage standing wave ratio of the present embodiment, achieves a butt joint by using above-mentioned module and receives the record of the above-mentioned related embodiment in day, will not be repeated here.
The acquisition circuit of the voltage standing wave ratio of the present embodiment, carries out upconversion process to first detection signal by using the first local oscillation signal, obtains the first signal；The frequency of first signal is in the frequency range for the reception frequency range for receiving antenna feeder；Sampling obtains second and detects signal from the first signal；By the second detection signal coupled on the antenna for receiving antenna feeder, so that the antenna transmitting second for receiving antenna feeder detects signal；Obtain the second reflected signal for detecting signal；According to the reflected signal and the second detection signal of the reflected signal and first detection signal of the second detection signal, or the second detection signal, obtain and receive the corresponding VSWR of antenna feeder.The technical scheme of the present embodiment, which is applied to obtain, is used for the VSWR for the reception antenna feeder for receiving signal.Solve in the prior art due to its corresponding VSWR can not be obtained, cause to receive the more numerous Suo of antenna feeder equipment fault test process defect.Using the technical scheme of the present embodiment, staff is allowd not spend on-the-spot test, just the corresponding VSWR of reception antenna feeder can easily be got, and can determine that the reception antenna feeder whether there is failure according further to the VSWR, so as to effectively improve the maintenance efficiency to receiving antenna feeder.
Fig. 4 is the structural representation of the acquisition circuit of the voltage standing wave ratio of another embodiment of the present invention.As shown in figure 4, the acquisition circuit of the voltage standing wave ratio of the present embodiment, on the basis of above-mentioned embodiment illustrated in fig. 3, can also include：Attenuation module 15.The attenuation module 15 can be connected with sampling module 11 and coupling module 12 respectively, the attenuation module 15 is used to be decayed the second detection signal that the sampling of sampling module 11 is obtained, and send the second detection signal after decay to coupling module 12, second detection signal is launched into the second detection signal coupled on the antenna for receiving antenna feeder with the antenna by reception antenna feeder for coupling module 12.
Alternatively, in the acquisition circuit of the present embodiment voltage standing wave ratio, upconversion process module 10 can be connected with processing module 14, processing module 14 is used to send first detection signal, the first detection signal that upconversion process module 10 is used to send processing module 14 using the first local oscillation signal carries out upconversion process, obtains the first signal.
Alternatively, in the acquisition circuit of the voltage standing wave ratio of the present embodiment, it can also include：Frequency mixing module 16, the first filter and amplification module 17 and analog-to-digital conversion module 18.
Wherein frequency mixing module 16 is connected with acquisition module 13, the reflected signal that frequency mixing module 16 is used for the second detection signal obtained using the second local oscillation signal to acquisition module 13 carries out Frequency mixing processing, to cause the frequency of the after Frequency mixing processing second reflected signal for detecting signal to be in the operating frequency range of the first filter and amplification module 17.First filter and amplification module 17 is connected with frequency mixing module 16, and the first filter and amplification module 17 is used to the reflected signal of the second detection signal after the Frequency mixing processing of frequency mixing module 16 being filtered enhanced processing.Analog-to-digital conversion module 18 is connected with the first filter and amplification module 17, and analog-to-digital conversion module 18 is used to the reflected signal of the second detection signal after the filter amplifying processing of the first filter and amplification module 17 carrying out analog-to-digital conversion process.Now analog-to-digital conversion module 18 is also connected with processing module 14, analog-to-digital conversion module 18 is additionally operable to the reflected signal of the second detection signal after analog-to-digital conversion process being transferred to processing module 14, the first detection signal that module 14 for processing is generated and sent with processing module 14 according to the reflected signal of the second detection signal, or second detection signal reflected signal and the second detection signal, obtain the corresponding VSWR of reception antenna feeder.
Alternatively, in the acquisition circuit of the voltage standing wave ratio of the present embodiment, coupling module 12 specifically can be used for the second detection signal being coupled in the antenna opening for receiving antenna feeder equipment, or specifically can be used for the second detection signal coupled in the acquisition module 13 in front of the antenna opening of reception antenna feeder and the circuit between frequency mixing module 16.
Alternatively, in the acquisition circuit of the voltage standing wave ratio of the present embodiment, it can also include：Second filter and amplification module 19 is connected with acquisition module 13 and frequency mixing module 16 respectively.The reflected signal that second filter and amplification module 19 is used for the second detection signal obtained to acquisition module 13 is filtered enhanced processing.Second filter and amplification module 19 is additionally operable to the reflected signal of the obtain after the second filter and amplification module filter amplifying processing second detection signal being transferred to frequency mixing module 16, so that frequency mixing module 16 carries out Frequency mixing processing with receiving the second local oscillation signal that the frequency of frequency range matches using frequency to the reflected signal of the second detection signal.Now, preferably coupling module 12 can be used for the second detection signal coupled to the acquisition module 13 in front of the antenna opening for receiving antenna feeder and between the second filter and amplification module 19
Circuit in.
It should be noted that, in the present embodiment, the first detection signal that processing module 14 is sent can be data signal, the first detection signal for the digital form that can be now sent processing module 14 using a D/A converter module 20 is converted to the first detection signal of analog form, so that the first detection signal that upconversion process module 10 is used for the analog form after being changed using the first local oscillation signal logarithmic mode modular converter 20 carries out upconversion process, the first signal is obtained.Therefore the D/A converter module 20 is connected with processing module 14 and upconversion process module 10 respectively.
It should be noted that, in embodiment as shown in Figure 4, technical scheme is explained in detail so that several alternatives in the acquisition circuit of the voltage standing wave ratio of above-described embodiment exist jointly as an example.In practical application, several alternatives in the acquisition circuit of the voltage standing wave ratio of above-described embodiment can be deposited in one embodiment in the form of selecting one.
The acquisition circuit of the voltage standing wave ratio of the present embodiment, achieves a butt joint by using above-mentioned module and receives the record that day may be referred to above-mentioned related embodiment, will not be repeated here.
The acquisition circuit of the voltage standing wave ratio of the present embodiment, solves in the prior art due to that can not obtain its corresponding VSWR, causes to receive the more numerous Suo of antenna feeder equipment fault test process defect.Using the technical scheme of the present embodiment, staff is allowd not spend on-the-spot test, just the corresponding VSWR of reception antenna feeder can easily be got, and can determine that the reception antenna feeder whether there is failure according further to the VSWR, so as to effectively improve the maintenance efficiency to receiving antenna feeder equipment.
Fig. 5 is the structural representation of the acquisition circuit of the voltage standing wave ratio of yet another embodiment of the invention.As shown in figure 5, the acquisition circuit of the voltage standing wave ratio of the present embodiment is on the basis of above-mentioned embodiment illustrated in fig. 4, wherein upconversion process module 10 includes：First local oscillator unit 101 and upconversion process unit 102.
Wherein the first local oscillator unit 101 is used to produce the first local oscillation signal that the frequency of reception frequency range of the frequency with receiving antenna feeder matches.The first local oscillation signal that upconversion process unit 102 is used to produce using the first local oscillator unit 101 carries out upconversion process to first detection signal, obtains the first signal.It is upper to become
Frequency processing unit 102 is connected with D/A converter module 20 and sampling module 11 respectively, upconversion process unit 102 is used to handle obtained first detection signal progress upconversion process using the first local oscillation signal logarithmic mode modular converter 20, obtains the first signal.Sampling module 11 obtains the second detection signal for being sampled in handling the first obtained signal from upconversion process unit 102.
Alternatively, frequency mixing module 16 can include the second local oscillator unit 161 and mixing unit 162 in above-described embodiment.
Wherein the second local oscillator unit 161 is used to produce the second local oscillation signal that the frequency of reception frequency range of the frequency with receiving antenna feeder matches.Mixing unit 162 is connected with the second local oscillator unit 161 and the second filter and amplification module 19 respectively, and the second local oscillation signal for being produced using the second local oscillator unit 161 carries out Frequency mixing processing to the reflected signal of the second detection signal after the filter amplifying processing of the second filter and amplification module 19.First filter and amplification module 17 is connected with mixing unit 162, and the first filter and amplification module 17 is used to the reflected signal of the second detection signal after the Frequency mixing processing of mixing unit 162 being filtered enhanced processing.
Further, alternatively, processing module 14 is additionally operable to the reflected signal trouble point information corresponding with first detection signal acquisition reception antenna feeder according to the second detection signal in the present embodiment, and further more accurately determine that receiving antenna feeder whether there is failure according to VSWR and trouble point information, to improve the fault detection efficiency to receiving antenna feeder.
Processing module 14 is specifically as follows according to the reflected signal VSWR corresponding with first detection signal acquisition reception antenna feeder of the second detection signal in the present embodiment：Processing module 14 according to the first detection signal sent and can send the gain parameter of D/A converter module 20, upconversion process unit 102, sampling module 11, attenuation module 15 and coupling module 12 passed through in circuit after the first detection signal between being launched the second detection signal, calculate and get the second detection signal that the antenna for receiving antenna feeder is launched.Further according to the gain parameter of the processing module 14 is received second reflected signal and acquisition module 13, the second filter and amplification module 19, mixing unit 162, the first filter and amplification module 17 and analog-to-digital conversion module 18 for detecting signal, the reflected signal for getting the second detection signal received at the aerial position for receiving antenna feeder is calculated, so that processing module 14 can be obtained according to calculating
The reflected signal of the second detection signal received at the second detection signal and the aerial position of reception antenna feeder that the antenna for the reception antenna feeder got is launched, the corresponding VSWR of the reception antenna feeder is obtained using related art.
The circuit that obtains of the voltage standing wave ratio of the present embodiment is applied to receive under scene of the antenna feeder in off-line mode.It for example can specifically control to realize that receiving antenna feeder is under off-line mode by software.
The acquisition circuit of the voltage standing wave ratio of the present embodiment, achieves a butt joint by using above-mentioned module and receives the record that day may be referred to above-mentioned related embodiment, will not be repeated here.
The acquisition circuit of the voltage standing wave ratio of the present embodiment, solve needs staff to need to carry out on-the-spot test in the prior art, causes to test more numerous Suo, safeguards more difficult defect.Using the technical scheme of the present embodiment, staff is allowd not spend on-the-spot test, just the corresponding VSWR of reception antenna feeder can easily be got, and can determine that the reception antenna feeder whether there is failure according further to the VSWR, so as to effectively improve the maintenance efficiency to receiving antenna feeder equipment.
It should be noted that the sampling module 11 and coupling module 12 in above-described embodiment can specifically be realized using coupler.First local oscillator unit 101 and the second local oscillator unit 161 can specifically be realized by local oscillator.Upconversion process unit 102 can be realized using upconversion process device.Acquisition module 13 can be realized by receiving filter.Processing module 14 can specifically be realized using digital signal processor.Attenuation module 15 can be realized using attenuator.Mixing unit 162 can specifically be realized using frequency mixer.First filter and amplification module 17 and the second filter and amplification module 19 can be realized using filter amplifier.Analog-to-digital conversion module 18 can be realized using analog-digital converter.D/A converter module 20 can be realized using digital analog converter.
The circuit diagram of the acquisition circuit for the voltage standing wave ratio that Fig. 6 provides for one embodiment of the invention.The acquisition circuit of the voltage standing wave ratio of the present embodiment can be according to shown in above-mentioned Fig. 5 one kind of structure chart of acquisition circuit of voltage standing wave ratio implement circuit.As shown in Figure 6, the acquisition circuit of the voltage standing wave ratio of the present embodiment, including digital analog converter lb, upconversion process device 2b, the first local oscillator 3b, attenuator 4b, receiving filter 5b, frequency mixer 6b, the second local oscillator 7b, filter amplifier 8b,
Analog-digital converter 9b and digital signal processor 10b.
The detection signal that digital signal processor 10b is generated and launched in the present embodiment, digital-to-analogue conversion is carried out to detection signal by digital analog converter lb, obtain the detection signal of digital signals format, then the first local oscillation signal launched by upconversion process device 2b using the first local oscillator 3b carries out upconversion process to detection signal, obtains the detection signal after upconversion process.The frequency configuration of the first local oscillator is to match with receiving the frequency of frequency range in the present embodiment, to ensure that the frequency for the detection signal for detection signal obtain after upconversion process using the first local oscillation signal is at receiving in the frequency of frequency range.Sampled at the E of position by coupler from the detection signal after upconversion process and obtain part detection signal, attenuation processing then is carried out to the detection signal of sampling by attenuator 4b, to reduce the amplitude of detection signal.Again on the circuit near the antenna opening at F by coupler by the detection signal after attenuation processing coupled to reception antenna feeder, and the detection signal is launched by the antenna of reception antenna feeder.Receiving the antenna of antenna feeder will detect that signal can produce reflected signal after launching, the reflected signal of detection signal is obtained by receiving filter 5b, and the second local oscillation signal produced by frequency mixer 6b using the second local oscillator 7b carries out Frequency mixing processing to reflected signal.The second local oscillator 7b of the present embodiment frequency is configured according to filter amplifier 8b working frequency, to cause the frequency of the reflected signal obtained after frequency mixer 6b Frequency mixing processings to be in filter amplifier 8b operating frequency range.Then enhanced processing is filtered to the reflected signal after Frequency mixing processing by filter amplifier 8b again, with the amplitude removed noise wave removing and amplify reflected signal.Analog-to-digital conversion is carried out to the reflected signal after filter amplifying processing followed by by analog-digital converter 9b, reflected signal is converted to the form of data signal by analog signal.The VSWR of the reception antenna feeder is finally obtained according to the reflected signal of the digital signals format got and the detection signal of generation by digital signal processor 10b, it is possible to which the size according further to the VSWR judges that the reception antenna feeder whether there is failure.Digital signal processor 10b further according to reflected signal and can also detect signal acquisition to the trouble point information for receiving antenna feeder, and according to the VSWR and trouble point information for receiving antenna feeder, more accurately to judge that the reception antenna feeder whether there is failure.
Digital signal processor 10b is with specific reference to the reflected signal of the digital signals format got and the detection signal of generation in the present embodiment, and the VSWR for obtaining the reception antenna feeder may be referred to above-mentioned implementation
The related record of example, will not be repeated here.
The acquisition circuit of the voltage standing wave ratio of the present embodiment, solve needs staff to need to carry out on-the-spot test in the prior art, causes to test more numerous Suo, safeguards more difficult defect.Using the technical scheme of the present embodiment, staff is allowd not spend on-the-spot test, just the corresponding VSWR of reception antenna feeder can easily be got, and can determine that the reception antenna feeder whether there is failure according further to the VSWR, so as to effectively improve pair the maintenance efficiency caused to receiving antenna feeder.
As shown in Figure 6, alternatively, coupler can also be provided with above-described embodiment between receiving filter 5b and frequency mixer 6b at the G of position, so that the sampled signal after attenuation processing is not couple at F coupled on the circuit between receiving filter 5b and frequency mixer 6b, the sampled signal after the attenuation processing is transferred to by RX antennas by receiving filter 5b again, to be launched the sampled signal by RX antennas.It is more convenient so during circuit realiration.
The circuit diagram of the acquisition circuit for the voltage standing wave ratio that Fig. 7 provides for the embodiment of another embodiment of the present invention.By the circuit diagram for the acquisition circuit for analyzing the voltage standing wave ratio shown in the acquisition circuit diagram and Fig. 6 of the voltage standing wave ratio for launching antenna feeder described in above-mentioned Fig. 1.As shown in fig. 7, the circuit shown in the circuit diagram and Fig. 6 shown in Fig. 1 can be merged into simplification.To be provided with coupler at the G of position between receiving filter 5b and feedback mixing 7a in embodiment illustrated in fig. 7, exemplified by the detection signal after attenuator 4b attenuation processings is coupled in the circuit before receiving filter 5b.
As shown in fig. 7, when carrying out the acquisition of voltage standing wave ratio to transmitting antenna feeder, switch K link positions 1 or position 2.Specific detection process may be referred to the record of above-mentioned related embodiment.When carrying out the acquisition of voltage standing wave ratio to receiving antenna feeder equipment, power amplifier 5a can be triggered by software and terminate work.Now preferably, it is with receiving the frequency that the frequency of frequency range matches by the frequency configuration for launching local oscillator 3a, the detection signal that upconversion process device 2a is generated and launched to the 1a of digital signal processor 1 using the local oscillation signal of transmitting local oscillator 3 a transmittings carries out upconversion process so that the frequency of detection signal is in the frequency range for receiving frequency range.Part detection signal is sampled from the detection signal after upconversion process by E coupler, and is coupled to through attenuator 4b attenuation processings by G coupler in circuit, and the antenna transmitted by receiving filter 5b to reception antenna feeder is launched.
The reflected signal of detection signal can be produced after the antenna transmitting detection signal for receiving antenna feeder, then by switch K link positions 3 or position 4, the coupler at F or H obtains the reflected signal of detection signal, and transmitted to feedback mixing 7a.Now feedback local oscillator 8a frequency is configured according to the second filter amplifier 9a working frequency, to cause the frequency of the reflected signal obtained after feedback mixing 7a Frequency mixing processings to be in the second filter amplifier 9a operating frequency range.Reflected signal is carried out after Frequency mixing processing according to the feedback local oscillator 8a local oscillation signals launched by feedback frequency mixer 7a, enhanced processing is filtered to the reflected signal after Frequency mixing processing through the second filter amplifier 9a, the reflected signal after filter amplifying processing is subjected to analog-to-digital conversion by analog-digital converter 10a again, the reflected signal of analog signal format is converted to the reflected signal of digital signals format, and transmit the reflected signal of digital signals format to digital signal processor 11a, by VSWRs of the digital signal processor 11a according to the detection signal acquisition for the reflected signal and generation for the receiving digital signals format reception antenna feeder, and judge that the reception antenna feeder whether there is failure according to the VSWR of reception antenna feeder size.Digital signal processor 11a further according to reflected signal and can also can also detect signal acquisition to the trouble point information for receiving antenna feeder, and according to the VSWR and trouble point information for receiving antenna feeder, more accurately to judge that the reception antenna feeder whether there is failure.
The acquisition circuit of the voltage standing wave ratio of the present embodiment, solves in the prior art due to that can not obtain its corresponding VSWR, causes to receive the more numerous Suo of antenna feeder equipment fault test process defect.Using the technical scheme of the present embodiment, staff is allowd not spend on-the-spot test, just the corresponding VSWR of reception antenna feeder can easily be got, and can determine that the reception antenna feeder whether there is failure according further to the VSWR, so as to effectively improve the maintenance efficiency to receiving antenna feeder equipment.
The circuit diagram of the acquisition circuit for the voltage standing wave ratio that Fig. 8 provides for the embodiment of yet another embodiment of the invention.By the circuit diagram for the acquisition circuit for analyzing the voltage standing wave ratio shown in the acquisition circuit diagram and Fig. 6 of the voltage standing wave ratio for launching antenna feeder described in above-mentioned Fig. 1.As shown in figure 8, being that the circuit shown in the circuit and Fig. 6 shown in Fig. 1 is merged into simplification.
In circuit as shown in Figure 8, when carrying out the acquisition of voltage standing wave ratio to transmitting antenna feeder, disconnect switch P and (switch P to be not connected to position 3 or position 4）, switch K and position 1 or position
Put 2 connections.It can be achieved to carry out transmitting antenna feeder the acquisition of voltage standing wave ratio with reference to the record of above-mentioned embodiment illustrated in fig. 1, the record of above-described embodiment may be referred in detail, be will not be repeated here.
When carrying out the acquisition of voltage standing wave ratio to receiving antenna feeder equipment, antenna feeder will be first received to be set under off-line mode, it is that switch K is not connected to position 1 or position 2 to disconnect switch K, closure switch P is that switch P is connected with position 3 or position 4, and power amplifier 5a termination work is triggered by software, it is with receiving the frequency that the frequency of frequency range matches, to cause the frequency of the detection signal obtained after upconversion process device 2a upconversion process to be in the frequency range for receiving frequency range by the frequency configuration for launching local oscillator 3a.It can be achieved a butt joint referring to the record of above-mentioned embodiment illustrated in fig. 6 and receive the acquisition that antenna feeder equipment carries out voltage standing wave ratio, the record of above-described embodiment is may be referred in detail, be will not be repeated here.
The acquisition circuit of the voltage standing wave ratio of the present embodiment both can be used for obtaining the voltage standing wave ratio for receiving antenna feeder, and the voltage standing wave ratio for obtaining transmitting antenna feeder is can be used for again.
The acquisition circuit of the voltage standing wave ratio of the present embodiment, solves in the prior art due to that can not obtain its corresponding VSWR, causes to receive the more numerous Suo of antenna feeder equipment fault test process defect.Using the technical scheme of the present embodiment, staff is allowd not spend on-the-spot test, just the corresponding VSWR of reception antenna feeder can easily be got, and can determine that the reception antenna feeder whether there is failure according further to the VSWR, so as to effectively improve the maintenance efficiency to receiving antenna feeder equipment.
The embodiment of the present invention also provides a kind of base station equipment, the acquisition circuit of voltage standing wave ratio can be included in the base station equipment, the acquisition circuit of the voltage standing wave ratio can use the acquisition circuit of the voltage standing wave ratio of above-mentioned Fig. 3-embodiment illustrated in fig. 8, the record of above-described embodiment is may be referred in detail, will not be repeated here.
The base station equipment of the present embodiment, due to the acquisition circuit using above-mentioned voltage standing wave ratio, staff can be allowd not spend on-the-spot test, just the corresponding VSWR of reception antenna feeder can easily be got, and can determine that the reception antenna feeder whether there is failure according further to the VSWR, so as to effectively improve the maintenance efficiency to receiving antenna feeder equipment.
Above-mentioned Fig. 6, Fig. 7 and Fig. 8 are only the acquisition circuits of the voltage standing wave ratio of the embodiment of the present invention
It is several to implement circuit.Can also be deduced in practical application according to above method embodiment and device embodiment it is a variety of implement circuit, herein no longer --- enumerate.
Device embodiment described above is only schematical, the unit wherein illustrated as separating component can be or may not be physically separate, the part shown as unit can be or may not be physical location, a place can be located at, or can also be distributed at least two NEs.Some or all of module therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.Those of ordinary skill in the art are not in the case where paying performing creative labour, you can to understand and implement.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although the present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (1)
- Claim1st, a kind of acquisition methods of voltage standing wave ratio, it is characterised in that including：Upconversion process is carried out to first detection signal using the first local oscillation signal, the first signal is obtained；The frequency of first signal is in the frequency range of the reception frequency range of the reception antenna feeder；Sampling obtains second and detects signal from first signal；By the described second detection signal coupled on the antenna for receiving antenna feeder, for the antenna transmitting of the reception antenna feeder the second detection signal；Obtain the reflected signal of the second detection signal；According to the reflected signal and the first detection signal of the described second detection signal, or reflected signal and the described second detection signal according to the described second detection signal, obtain the corresponding voltage standing wave ratio of the reception antenna feeder.2nd, the method according to claim 1, it is characterised in that from first signal after the second detection of sampling acquisition signal, before the described second detection signal is coupled on the antenna for receiving antenna feeder, in addition to：Described second detection signal is decayed；By the described second detection signal coupled on the antenna for receiving antenna feeder, specifically include：By the second detection signal after decay coupled on the antenna of the reception antenna feeder, for the antenna transmitting of the reception antenna feeder the second detection signal.3rd, method according to claim 1 or 2, it is characterized in that, after the reflected signal for obtaining the second detection signal, according to reflected signal and the first detection signal of the described second detection signal obtain it is described receive the corresponding voltage standing wave ratio of antenna feeder before, in addition to：Frequency mixing processing is carried out to the reflected signal of the described second detection signal using the second local oscillation signal, to cause the frequency of reflected signal of the second detection signal after Frequency mixing processing to be in the operating frequency range of the first filter and amplification module；Enhanced processing is filtered to the reflected signal of the described second detection signal using first filter and amplification module；The reflected signal of described second detection signal is subjected to analog-to-digital conversion process. 4th, the method according to claims 1 to 3 any one, it is characterised in that by the described second detection signal coupled on the antenna for receiving antenna feeder, specifically include：In the antenna opening that described second detection signal is coupled to the reception antenna feeder, or by the described second detection signal coupled to the acquisition module of the reflected signal for obtaining the second detection signal in front of the antenna opening of the reception antenna feeder and for being carried out using second local oscillation signal to the reflected signal of the described second detection signal in the circuit between the frequency mixing module of Frequency mixing processing.5th, before the method according to claim 3 or 4, it is characterised in that after the reflected signal for obtaining the second detection signal, the reflected signal progress Frequency mixing processing for detecting signal to described second using the second local oscillation signal, in addition to：Enhanced processing is filtered to the reflected signal of the described second detection signal using the second filter and amplification module.6th, the acquisition circuit of a kind of voltage standing wave ratio, it is characterised in that including：Upconversion process module, for carrying out upconversion process to first detection signal using the first local oscillation signal, obtains the first signal；The frequency of first signal is in the frequency range of the reception frequency range of the reception antenna feeder；Sampling module, sampling obtains second and detects signal from first signal；Coupling module, by the described second detection signal coupled on the antenna for receiving antenna feeder, for the antenna transmitting of the reception antenna feeder equipment the second detection signal；Acquisition module, the reflected signal for obtaining the second detection signal；Processing module, for the reflected signal and the first detection signal according to the described second detection signal, or reflected signal and the described second detection signal according to the described second detection signal, obtain the corresponding voltage standing wave ratio of the reception antenna feeder.7th, the acquisition circuit of voltage standing wave ratio according to claim 6, it is characterised in that also include：Attenuation module, for the described second detection signal to be decayed；And send the second detection signal after decay to the coupling module, for the coupling module by the described second detection signal coupled on the antenna of the reception antenna feeder, with by the antenna transmitting of the reception antenna feeder second inspection Survey signal.8th, the acquisition circuit of the voltage standing wave ratio according to claim 6 or 7, it is characterised in that also include：Frequency mixing module, for carrying out Frequency mixing processing to the reflected signal of the described second detection signal using the second local oscillation signal, to cause the frequency of reflected signal of the second detection signal after Frequency mixing processing to be in the operating frequency range of the first filter and amplification module；First filter and amplification module, for the reflected signal of the described second detection signal to be filtered into enhanced processing；Analog-to-digital conversion module, for the reflected signal of the described second detection signal to be carried out into analog-to-digital conversion process；The analog-to-digital conversion module, it is additionally operable to the reflected signal of the second detection signal after analog-to-digital conversion process being transferred to the processing module, for reflected signal and the first detection signal of the processing module according to the described second detection signal, or the reflected signal according to the described second detection signal and the described second detection signal, obtain the corresponding voltage standing wave ratio of the reception antenna feeder.9th, the acquisition circuit of the voltage standing wave ratio according to claim 6 to 8 any one, it is characterized in that, the coupling module specifically for by described second detection signal coupled to it is described reception antenna feeder antenna opening on, or by the sampled signal coupled to it is described reception antenna feeder antenna opening in front of the acquisition module and the frequency mixing module between circuit in.10th, the acquisition circuit of voltage standing wave ratio according to claim 8, it is characterised in that also include：Second filter and amplification module, the reflected signal of the second detection signal for being obtained to the acquisition module is filtered enhanced processing；Second filter and amplification module, be additionally operable to obtain after the second filter and amplification module filter amplifying processing described second detects that the reflected signal of signal is transferred to the frequency mixing module, so that the frequency mixing module carries out Frequency mixing processing using second local oscillation signal to the reflected signal of the described second detection signal.11, a kind of base station equipment, it is characterised in that include the acquisition circuit of any described voltage standing wave ratioes of as above claim 6-10.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/078624 WO2012109887A1 (en) | 2011-08-19 | 2011-08-19 | Method for obtaining voltage standing wave ratio, and circuit and base station device |
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| CN103270786A true CN103270786A (en) | 2013-08-28 |
| CN103270786B CN103270786B (en) | 2016-09-28 |
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| WO (1) | WO2012109887A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103728502A (en) * | 2013-12-31 | 2014-04-16 | 华为终端有限公司 | Antenna test method and system and wireless terminal |
| CN106131275A (en) * | 2016-08-18 | 2016-11-16 | 北京小米移动软件有限公司 | Mobile terminal and antenna detection method |
| CN108156612A (en) * | 2016-12-06 | 2018-06-12 | 罗森伯格（上海）通信技术有限公司 | Standing wave analysis instrument |
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| US20080002787A1 (en) * | 2006-06-30 | 2008-01-03 | Eliav Zipper | Method to maintain RF power amplifier linearity in varying load VSWR conditions without isolator |
| CN101146314A (en) * | 2007-10-22 | 2008-03-19 | 中兴通讯股份有限公司 | A standing wave ration detection device and method for time division duplex communication system |
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| KR100267846B1 (en) * | 1997-03-31 | 2000-10-16 | 윤종용 | Antenna vswr measuring method in a mobile communication system |
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| CN1211892A (en) * | 1997-07-10 | 1999-03-24 | Lg情报通信株式会社 | Apparatus and method for measuring voltage standing wave radio in antenna of base station |
| US20080002787A1 (en) * | 2006-06-30 | 2008-01-03 | Eliav Zipper | Method to maintain RF power amplifier linearity in varying load VSWR conditions without isolator |
| CN101146314A (en) * | 2007-10-22 | 2008-03-19 | 中兴通讯股份有限公司 | A standing wave ration detection device and method for time division duplex communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103728502A (en) * | 2013-12-31 | 2014-04-16 | 华为终端有限公司 | Antenna test method and system and wireless terminal |
| CN106131275A (en) * | 2016-08-18 | 2016-11-16 | 北京小米移动软件有限公司 | Mobile terminal and antenna detection method |
| CN106131275B (en) * | 2016-08-18 | 2019-03-15 | 北京小米移动软件有限公司 | Mobile terminal and antenna detection method |
| CN108156612A (en) * | 2016-12-06 | 2018-06-12 | 罗森伯格（上海）通信技术有限公司 | Standing wave analysis instrument |
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| CN103270786B (en) | 2016-09-28 |
| WO2012109887A1 (en) | 2012-08-23 |
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