CN105393457B - Determine method, feeding network and the device of signal - Google Patents
Determine method, feeding network and the device of signal Download PDFInfo
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- CN105393457B CN105393457B CN201480033534.2A CN201480033534A CN105393457B CN 105393457 B CN105393457 B CN 105393457B CN 201480033534 A CN201480033534 A CN 201480033534A CN 105393457 B CN105393457 B CN 105393457B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
Abstract
The present invention provides method, feeding network and the device for determining signal, comprising: obtains signal to be transmitted, wherein the signal to be transmitted is the signal that the communication node needs to emit；The signal to be transmitted is coupled, the first coupled signal is obtained；Reflection signal is obtained, wherein the reflection signal is that the signal to be transmitted passes through the reflected signal of reflection point during the launch process；The reflection signal is coupled, the second coupled signal is obtained；Second coupled signal is subjected to time delay processing, obtains the second coupled signal of delay；Second coupled signal of first coupled signal and the delay is synthesized into output signal.In this way, first coupled signal and second coupled signal in output signal have time interval, subsequent processing can effectively differentiate the first coupled signal and the second coupled signal according to time interval.It can reduce interface complexity and cost while effectively distinguishing the first coupled signal and the second coupled signal.
Description
Technical field
The present embodiments relate to fields of communication technology, and more particularly, to method, the feeding network for determining signal
And device.
Background technique
Bidirectional couple module is common a kind of module in field of communication technology.It is defeated that bidirectional couple module can receive two-way
Enter signal, and two input signals are coupled respectively, obtains two-way output signal.Specifically as shown in Figure 1, bidirectional couple mould
Block 100 includes first interface 101, second interface 102, third interface 103 and the 4th interface 104.Bidirectional couple module 100 can be with
The first input signal is received by first interface 101, the first input signal is coupled, obtains corresponding to the first input signal
Coupled signal, by correspond to the first input signal coupled signal exported from second interface 102.Bidirectional couple module 100 is also
The second input signal can be received by third interface 103, the second input signal is coupled, obtain corresponding to the second input
Signal is coupled, and the coupled signal for corresponding to the second input signal is exported from the 4th interface 104.
Bidirectional couple module can be applied among the scene for needing to couple two-way input signal.For example, two-way
Coupling module can be applied to need to carry out active antenna system (Active Antenna System, AAS) multipath correction and
In the communication node of frequency-domain reflectometer detection.
Fig. 2 is that communication node realizes showing for AAS multipath correction technology and frequency-domain reflectometer detection technique in the prior art
It is intended to.Communication node determines the signal (hereinafter referred to as " signal to be transmitted) for needing to emit and launches the signal to be transmitted,
Wherein the signal to be transmitted can be communication traffic signal, be also possible to non-communicating service signal (such as test signal etc.).
The signal to be transmitted of communication node is launched again after needing to first pass through coupling module 201.Coupling module 201,
It can be used for obtaining signal to be transmitted, which coupled, obtain the first coupled signal, wherein the letter to be launched
It number can be communication traffic signal and be also possible to non-communicating service signal (such as test signal etc.).
Coupling module 201 can be also used for obtaining reflection signal.Specifically, signal to be transmitted can during transmitting
It can encounter reflection point.Reflection point can be reflected back a part of signal.The reflected signal of reflection point is known as reflecting signal.Reflection
Point can be connector, cable or the antenna of the communication node etc. between coupling module 201 and the antenna of the communication node
Component.Coupling module 201 can couple the reflection signal, obtain the second coupled signal.
Switch module 202 can select a signal according to control signal from the first coupled signal and the second coupled signal
As output signal.Processing module 203 can determine that the output signal is the first coupled signal or according to the control signal
Then two coupled signals carry out AAS multipath correction according to the output signal or frequency-domain reflectometer detect.Specifically, it handles
Module 203 can use the first coupled signal and carry out AAS multipath correction.Processing module 203 can also utilize the second coupling letter
Number carry out frequency-domain reflectometer detection.
Switch module 202 needs power supply at work.Therefore needing to introduce power interface is that switch module 202 provides electricity
Source leads to the increase of interface complexity and cost.In addition, control signal can detect AAS multipath correction and frequency-domain reflectometer
It interferes.Therefore, it is necessary to increase filtering measures to drop the interference of low control signal, this adds increased cloth plate suqares and realization
Complexity.
In the prior art, when bidirectional couple module application is in Fig. 2 or other similar in the case where the scene of Fig. 2, need
The output of bidirectional couple module is selected by switch module.In the case, switch module, power supply and control letter
Number use will lead to cloth plate suqare and interface complexity increase and control signal caused by interference.It is especially more in application
In the case where array antenna, radio-frequency front-end is close to aerial array or is located on aerial array.In the case, with greater need for control
System interference and the utilization efficiency for improving cloth plate suqare.How effectively to make in the case where not increasing interface complexity and cost
It is a urgent problem to be solved with bidirectional couple module.
Summary of the invention
The embodiment of the present invention provides method, feeding network and the device that area determines signal, is effectively distinguishing signal to be transmitted
Coupled signal and the coupled signal of reflection signal reduce interface complexity and cost simultaneously.
In a first aspect, the embodiment of the present invention provides a kind of device of determining signal, which is located in communication node, the dress
Setting includes: coupling module, for obtaining signal to be transmitted, is coupled to the signal to be transmitted, and the first coupled signal is obtained,
In the signal to be transmitted be that the communication node needs the signal that emits；The coupling module is also used to obtain reflection signal, anti-to this
It penetrates signal to be coupled, obtains the second coupled signal, wherein the reflection signal is that the signal to be transmitted passes through during the launch process
The reflected signal of reflection point；Passive time delay module, when second coupled signal for obtaining the coupling module carries out
Prolong processing, obtains the second coupled signal of delay；Be combined module, first coupled signal for obtaining the coupling module and
Second coupled signal of the delay that the passive time delay module obtains synthesizes output signal.
With reference to first aspect, in the first possible implementation, the coupling module include first coupling submodule and
Second coupling submodule, the first coupling submodule couple the signal to be transmitted for obtaining the signal to be transmitted,
Obtain first coupled signal；The second coupling submodule couples the reflection signal for obtaining the reflection signal,
Obtain second coupled signal.
In conjunction with the first possible implementation, in the second possible implementation, the passive time delay module, specifically
Second coupled signal for determining the second coupling submodule carries out time delay processing, obtains the second coupling letter of the delay
Number；The combining module, specifically for first coupled signal for obtaining the first coupling submodule and the passive time delay module
Second coupled signal of the delay obtained synthesizes the output signal.
With reference to first aspect or any of the above-described kind of possible implementation, in the third possible implementation, the nothing
Source time delay module, be specifically used for using thin film bulk acoustic wave resonator FBAR, bulk acoustic wave BAW or surface acoustic wave SAW technology to this
Two coupled signals carry out time delay processing, obtain the second coupled signal of the delay.
Second aspect, the embodiment of the present invention provide a kind of feeding network, which includes N number of such as first aspect or the
Device described in any possible implementation of one side, wherein N is the positive integer more than or equal to 2, the transmission network
Network further includes combining module, the combining module, for the road the N output signal of N number of device to be synthesized total output signal.
The third aspect, the embodiment of the present invention provides a kind of method of determining signal, this method comprises: obtaining letter to be launched
Number, wherein the signal to be transmitted is the signal that the communication node needs to emit；The signal to be transmitted is coupled, obtains first
Coupled signal；Reflection signal is obtained, wherein the reflection signal is the signal to be transmitted during the launch process by reflection point reflection
Signal back；The reflection signal is coupled, the second coupled signal is obtained；Second coupled signal is carried out at time delay
Reason, obtains the second coupled signal of delay；Second coupled signal of first coupled signal and the delay is synthesized into output letter
Number.
In conjunction with the third aspect, in the first possible implementation, which is carried out time delay processing by this,
Obtain the second coupled signal of delay, comprising: use thin film bulk acoustic wave resonator FBAR, bulk acoustic wave BAW or surface acoustic wave SAW skill
Art carries out time delay processing to second coupled signal, obtains the second coupled signal of the delay.
Above-mentioned technical proposal can postpone the second coupled signal.In this way, the first coupling letter in output signal
Number and second coupled signal have time interval, subsequent processing can effectively differentiate the first coupled signal according to time interval
With the second coupled signal.Effectively distinguish the first coupled signal and the second coupled signal while can reduce interface complexity with
And cost.Meanwhile not needing to select the first coupled signal and the second coupled signal using additional control signal, therefore
There is no control signals to interfere subsequent detection (such as AAS multipath correction and frequency-domain reflectometer detect).
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the schematic diagram of bidirectional couple module.
Fig. 2 is that communication node realizes showing for AAS multipath correction technology and frequency-domain reflectometer detection technique in the prior art
It is intended to.
Fig. 3 is the structural block diagram of the device of the determination signal provided according to embodiments of the present invention.
Fig. 4 is the structural block diagram of the device of the determination signal provided according to embodiments of the present invention.
Fig. 5 is the structural block diagram of the device of another determining signal provided according to embodiments of the present invention.
Fig. 6 is the structural block diagram of the device of another determining signal provided according to embodiments of the present invention.
Fig. 7 is the structural block diagram of the feeding network provided according to embodiments of the present invention.
Fig. 8 is the schematic flow chart of the method for the determination signal provided according to embodiments of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the embodiment described is a part of the embodiments of the present invention, rather than whole embodiments.Based on the present invention
In embodiment, those of ordinary skill in the art's every other implementation obtained without making creative work
Example, all should belong to the scope of protection of the invention.
It should be understood that the technical solution of the embodiment of the present invention can be applied to various communication systems, and such as: global system for mobile telecommunications
(Global System of Mobile communication, referred to as " GSM ") system, CDMA (Code Division
Multiple Access, referred to as " CDMA ") system, wideband code division multiple access (Wideband Code Division Multiple
Access, referred to as " WCDMA ") system, General Packet Radio Service (General Packet Radio Service, abbreviation
" GPRS "), long term evolution (Long Term Evolution, referred to as " LTE ") system, LTE frequency division duplex (Frequency
Division Duplex, referred to as " FDD ") system, LTE time division duplex (Time Division Duplex, referred to as " TDD "), logical
With mobile communication system (Universal Mobile Telecommunication System, referred to as " UMTS ") etc..
So-called communication node may include the equipment such as user equipment, base station in the present invention.
User equipment (User Equipment, UE) is also referred to as mobile terminal (Mobile Terminal, MT), moves
Dynamic user equipment etc., can be through wireless access network (for example, Radio Access Network, RAN) and one or more cores
Net is communicated, and user equipment can be mobile terminal, such as mobile phone (or being " honeycomb " phone) and with mobile terminal
Computer, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device.
Base station can be the base station (Base Transceiver Station, BTS) in GSM or CDMA, be also possible to
Base station (NodeB) in WCDMA, can also be the eNB or e-NodeB in LTE, and the present invention does not limit.
Fig. 3 is the structural block diagram of the device of the determination signal provided according to embodiments of the present invention.Device 300 shown in Fig. 3
It can be located in communication node.As described in Figure 3, device 300 includes coupling module 301, passive time delay module 302 and combining module
303。
Coupling module 301 couples the signal to be transmitted, obtains for obtaining the signal to be transmitted of the communication node
The first coupled signal is taken, wherein the signal to be transmitted is the signal that the communication node needs to emit.
Coupling module 301 is also used to obtain reflection signal, couples to the reflection signal, obtains the second coupled signal,
Wherein the reflection signal is that the signal to be transmitted passes through the reflected signal of reflection point during the launch process.
Passive time delay module 302, the second coupled signal for obtaining coupling module 301 carry out time delay processing, obtain
Second coupled signal of delay.
It is combined module 303, the first coupled signal and passive time delay module 302 for obtaining coupling module 301 obtain
The second coupled signal of delay synthesize output signal.
Device 300 shown in Fig. 3 is postponed the second coupled signal by passive time delay elements.In this way, first coupling
It closes signal and second coupled signal has time interval, subsequent processing can effectively differentiate the first coupling according to time interval
Signal and the second coupled signal.Device 300 can reduce while effectively distinguishing the first coupled signal and the second coupled signal
Interface complexity and cost.Meanwhile it not needing using additional control signal to the first coupled signal and the second coupled signal
It is selected, therefore there is no control signal to make subsequent detection (such as AAS multipath correction and frequency-domain reflectometer detect)
At interference.
Specifically, the signal to be transmitted of the available communication node of coupling module 301, wherein the signal to be transmitted can be with
It is that communication traffic signal is also possible to non-communicating service signal (for example, test signal).Coupling unit 301 is to the signal to be transmitted
It is coupled, obtains a part of signal of signal to be transmitted, this part signal is first coupled signal.Complete first
After the acquisition of coupled signal, which can be launched away.Coupling module 301 obtains reflection signal, the reflection
Signal is the signal to be transmitted during the launch process by the signal of reflection point reflection.Reflection of the coupling module 301 to getting
Signal is coupled, and second coupled signal is obtained.Second coupled signal is output to passive time delay module by coupling module 301
302, so that the passive time delay module 302 carries out time delay processing to second coupled signal.Coupling module 301 is also by first coupling
It closes signal and is output to combining module 303, closed to be combined module 303 for first coupled signal and the second coupled signal of delay
As the output signal.Coupling module 301 can be preceding reverse coupler.
Optionally, as one embodiment, coupling module 301 may include the first coupling submodule and the second coupling submodule
Block.The first coupling submodule couples the signal to be transmitted, obtains for obtaining the signal to be transmitted of the communication node
Take the first coupled signal.Specifically, the signal to be transmitted of the first coupling available communication node of submodule, wherein pending
It penetrates signal and can be communication traffic signal and be also possible to non-communicating service signal (for example, test signal).Coupling module 301 is to this
Signal to be transmitted is coupled, and a part of signal of the signal to be transmitted is obtained, this part signal is the first coupling letter
Number.This first coupling submodule by first coupled signal be output to combining module 303, so as to be combined module 303 to this first
Coupled signal is handled.The second coupling submodule couples the reflection signal, obtains for obtaining reflection signal
Second coupled signal.Specifically, the reflection signal of the available communication node of the second coupling module, which is this
Signal to be transmitted is during the launch process by the signal of reflection point reflection.Specifically, coupling module 301 can be with communication node
Antenna connection, is launched the signal to be transmitted by the antenna of communication node.The reflection point can be coupling module 301 with
The components such as the antenna of connector, cable or the communication node between antenna.Coupling module 301 believes the reflection got
It number is coupled, obtains second coupled signal.Second coupled signal is output to passive time delay by the second coupling submodule
Module 302, so that passive time delay module 302 handles second coupled signal.It is right respectively by two coupling submodules
Signal to be transmitted and reflection signal, which carry out coupling, can increase isolation, the directionality of the signal of output be improved, so as to subtract
Few first coupled signal is interfered caused by second coupled signal.The first coupling submodule can be forward coupler,
The second coupling submodule can be reverse coupler or circulator.
Further, by first coupling submodule determine first coupled signal and by second coupling submodule it is true
In the case where fixed second coupled signal, passive time delay module 302, specifically for the second coupling submodule is determined second
Coupled signal carries out time delay processing, obtains the second coupled signal of delay.It is combined module 303, is used for the first coupling submodule
Second coupled signal of the delay that first coupled signal and passive time delay module 302 that block determines obtain synthesizes to obtain this defeated
Signal out.
Passive time delay module 302 can using thin film bulk acoustic wave resonator (Film Bulk Acoustic Resonator,
FBAR), the skills such as bulk acoustic wave (Bulk Acoustic Wave, BAW) or surface acoustic wave (Surface Acoustic Wav, SAW)
Art carries out time delay processing, the second coupled signal postponed to second coupled signal.Passive time delay module can be FBAR,
BAW filter or SAW filter etc..
Further, communication node may include one or more devices 300 as shown in Figure 3.Specifically, in communication node
In the case where a device 300 as shown in Figure 3, the output signal that combining module 303 synthesizes can be for transmission to the communication
The feedback reception channel of node, so that the output signal is further processed in the communication node.Include in the communication node
In the case where multiple devices 300 as shown in Figure 3, the output signal of all devices 300 synthesizes total output by being combined module
Signal, the total output signal can be for transmission to the feedback reception channels of the communication node, so that the communication node believes the output
It number is further processed.
Fig. 4 is the structural block diagram of the device of the determination signal provided according to embodiments of the present invention.Device 400 shown in Fig. 4
It can be located in communication node.As described in Figure 4, device 400 includes coupler 401, passive time delay device 402 and combiner 403.
Coupler 401 couples the signal to be transmitted for obtaining the signal to be transmitted of the communication node, obtains
First coupled signal.
Coupler 401 is also used to obtain reflection signal, couples to the reflection signal, obtains the second coupled signal,
In the reflection signal be that the signal to be transmitted passes through the reflected signal of reflection point during the launch process.
Passive time delay device 402, the second coupled signal for obtaining coupler 401 carry out time delay processing, obtain delay
The second coupled signal.
Combiner 403, the delay that the first coupled signal and passive time delay device 402 for obtaining coupler 401 obtain
The second coupled signal synthesize output signal.
Device 400 shown in Fig. 4 is postponed the second coupled signal by passive time delay elements.In this way, first coupling
It closes signal and second coupled signal has time interval, subsequent processing can effectively differentiate the first coupling according to time interval
Signal and the second coupled signal.Device 400 can reduce while effectively distinguishing the first coupled signal and the second coupled signal
Interface complexity and cost.Meanwhile it not needing using additional control signal to the first coupled signal and the second coupled signal
It is selected, therefore there is no control signal to make subsequent detection (such as AAS multipath correction and frequency-domain reflectometer detect)
At interference.
Specifically, the signal to be transmitted of the available communication node of coupler 401, wherein the signal to be transmitted can be
Signal of communication is also possible to non-communicating signal (for example, test signal).Coupler 401 couples the signal to be transmitted, obtains
A part of signal of the signal to be transmitted is taken, this part signal is first coupled signal.Complete the first coupled signal
Acquisition after, which can be launched away.Coupler 401 obtains the reflection signal of the communication node, this is anti-
Penetrating signal is the signal to be transmitted during the launch process by the signal of reflection point reflection.Specifically, coupler 401 can with it is logical
The antenna connection for believing node, is launched the signal to be transmitted by the antenna of communication node.The reflection point can be coupling
The components such as the antenna of connector, cable or the communication node between device 401 and antenna.Coupler 401 is to getting
Reflection signal is coupled, and second coupled signal is obtained.Second coupled signal is output to passive time delay device by coupler 401
402, so that the passive time delay device 402 carries out time delay processing to second coupled signal.Coupler 401 also believes first coupling
Number it is output to combiner 403, so that second coupled signal of first coupled signal and delay synthesized this is defeated for combiner 403
Signal out.
Optionally, as one embodiment, coupler 401 can be preceding reverse coupler.
Optionally, as another embodiment, coupler 401 may include forward coupler and reverse coupler.Before this
To coupler, for obtaining signal to be transmitted, which is coupled, obtains the first coupled signal.Specifically, should
The signal to be transmitted of the available communication node of forward coupler, wherein the signal to be transmitted can be signal of communication can also be with
It is non-signal of communication (for example, test signal).Coupler 401 couples the signal to be transmitted, obtains the signal to be transmitted
A part of signal, this part signal is first coupled signal.The forward coupler exports first coupled signal
To combiner 403, so that combiner 403 handles first coupled signal.The reverse coupler, for obtaining reflection letter
Number, which is coupled, the second coupled signal is obtained.Specifically, available communication of second coupling module
The reflection signal of node, the reflection signal are the signals to be transmitted during the launch process by the signal of reflection point reflection.Coupling
Device 401 couples the reflection signal got, obtains second coupled signal.The reverse coupler believes second coupling
Number it is output to passive time delay device 402, so that passive time delay device 402 handles second coupled signal.It is coupled by two
Submodule, which respectively couples signal to be transmitted and reflection signal, can increase isolation, improve the direction of the signal of output
Property, so as to reduce first coupled signal interference caused by second coupled signal.Further, which can
To be circulator.
Further, by forward coupler determine first coupled signal and by reverse coupler determine this second
In the case where coupled signal, passive time delay device 402, when being carried out specifically for the second coupled signal for determining the reverse coupler
Prolong processing, obtains the second coupled signal of delay.Combiner 403, first coupling for determining the forward coupler are believed
Number and the second coupled signal of the delay for obtaining of passive delayer 402 synthesize to obtain the output signal.
Passive time delay device 402 can be FBAR, BAW filter or SAW filter
Further, communication node may include one or more devices 400 as shown in Figure 4.Specifically, in communication node
In the case where a device 400 as shown in Figure 4, the output signal that combiner 403 synthesizes can be for transmission to the communication section
The feedback reception channel of point, so that the output signal is further processed in the communication node.It include more in the communication node
In the case where a device 400 as shown in Figure 4, the output signal of all devices 400 synthesizes total output letter by combiner unit
Number, which can be for transmission to the feedback reception channel of the communication node, so that the communication node is to the output signal
It is further processed.
Fig. 5 is the structural block diagram of the device of another determining signal provided according to embodiments of the present invention.Equipment shown in fig. 5
500 be a specific embodiment of device shown in Fig. 4.Device 500 can be located on communication node.As shown in figure 5, device
500 include preceding reverse coupler 510, passive time delay device 520 and combiner 530.
Preceding reverse coupler 510 includes first interface 511, second interface 512, third interface 513 and the 4th interface 514.
First interface 511 is used to obtain the signal to be transmitted of the communication node, wherein the signal to be transmitted can be signal of communication can also
To be non-signal of communication (for example, test signal).Second interface 512 is used to obtain the reflection signal of the communication node, the reflection
Signal is the signal to be transmitted during the launch process by the signal of reflection point reflection.Specifically, second interface 512 can with it is logical
The antenna connection for believing node, is launched the signal to be transmitted by the antenna of communication node.The reflection point can be second
The components such as the antenna of connector, cable or the communication node between interface 512 and antenna.Preceding reverse coupler 510 is used
Coupled in the signal to be transmitted, obtain a part of signal of the signal to be transmitted, this part signal be this first
Coupled signal.Preceding reverse coupler 510 is also used to couple the reflection signal got, obtains second coupled signal.
Third interface 513, for first coupled signal to be output to combiner 530, so that combiner 530 is by first coupled signal
The output signal is synthesized with the second coupled signal of delay.4th interface 514, for second coupled signal to be output to nothing
Source time delay device 520, so that the passive time delay device 520 carries out time delay processing to second coupled signal.
Passive time delay device 520 includes the 5th interface 521 and the 6th interface 522.5th interface 521 connects for receiving the 4th
Second coupled signals of 514 output of mouth.Passive time delay device 520, for second coupled signal to be carried out time delay processing, acquisition is prolonged
The second slow coupled signal.6th interface 522, for the second coupled signal of the delay to be output to combiner 530.
Combiner 530 includes the 7th interface 531, the 8th interface 532 and the 9th interface 533.7th interface 531, for connecing
Receive the first coupled signal that third interface 513 exports.8th interface 532, the of the delay for receiving the output of the 6th interface 522
Two coupled signals.Combiner 530, for second coupled signal of first coupled signal and the delay to be synthesized output letter
Number.9th interface 533 is used to for the output signal being output to the feedback reception channel of the communication node.
Fig. 6 is the structural block diagram of the device of another determining signal provided according to embodiments of the present invention.Device shown in fig. 6
600 be a specific embodiment of device shown in Fig. 4.Device 600 can be located on communication node.As shown in fig. 6, device
600 include forward coupler 610, reverse coupler 620, passive time delay device 630 and combiner 640.
Forward coupler 610 includes first interface 611 and second interface 612.First interface 611 is for obtaining the communication section
Point signal to be transmitted, wherein the signal to be transmitted can be signal of communication be also possible to non-communicating signal (for example, test letter
Number).Forward coupler 610 obtains a part of signal of the signal to be transmitted for coupling to the signal to be transmitted, this
A part of signal is first coupled signal.Second interface 612, for first coupled signal to be output to combiner 640.
Reverse coupler 620 includes third interface 621 and the 4th interface 622.Third interface 621 is for obtaining the communication section
The reflection signal of point, the reflection signal are the signals to be transmitted during the launch process by the signal of reflection point reflection.Specifically,
Third interface 621 can be connect with the antenna of communication node, be launched the signal to be transmitted by the antenna of communication node.
The reflection point can be the components such as the antenna of connector between third interface 621 and antenna, cable or the communication node.
Reverse coupler 620 obtains second coupled signal for coupling to the reflection signal got.4th interface 622,
For second coupled signal to be output to passive time delay device 630.Further, reverse coupler 620 can be circulator.
Passive time delay device 630 includes the 5th interface 631 and the 6th interface 632.5th interface 631 connects for receiving the 4th
Second coupled signals of 622 output of mouth.Passive time delay device 630, for second coupled signal to be carried out time delay processing, acquisition is prolonged
The second slow coupled signal.6th interface 632, for the second coupled signal of the delay to be output to combiner 640.
Combiner 640 includes the 7th interface 641, the 8th interface 642 and the 9th interface 643.7th interface 641, for connecing
Receive the first coupled signal that second interface 612 exports.8th interface 642, the of the delay for receiving the output of the 6th interface 632
Two coupled signals.Combiner 640, for second coupled signal of first coupled signal and the delay to be synthesized output letter
Number.9th interface 643 is used to for the output signal being output to the feedback reception channel of the communication node.
Fig. 7 is the structural block diagram of the feeding network provided according to embodiments of the present invention.Feeding network 700 shown in Fig. 7
In on the communication node with multiple transmission channels.As shown in fig. 7, feeding network 700 includes two devices 701 and a conjunction
Road unit 702.Each device 701 is connected with a transmission channel, each device 701 is connected with an antenna.Device 701
It can be the device of Fig. 3 to any one determination signal shown in fig. 6.Combining module 702 is distinguished for receiving by two devices 701
Two paths of data signal is simultaneously synthesized total output signal and is output in feedback reception channel by determining output signal.
It will be understood by those skilled in the art that feeding network can also include the device of more than two determining signals.It should
Determine that the device of signal can be the device that any of device of determination signal as shown in Figures 3 to 6 determines signal.?
In this case, combining module can be used for the output signal that the devices of multiple determining signals determines synthesizing total output signal it is defeated
The feedback reception channel of the communication node is arrived out.
Fig. 8 is the schematic flow chart of the method for the determination signal provided according to embodiments of the present invention.
801, signal to be transmitted is obtained, wherein the signal to be transmitted is the signal that communication node needs to emit.
802, which is coupled, the first coupled signal is obtained.
803, reflection signal is obtained, wherein it is anti-to be that the signal to be transmitted passes through reflection point during the launch process for the reflection signal
It is emitted back towards the signal come.
804, which is coupled, the second coupled signal is obtained.
805, which is subjected to time delay processing, obtains the second coupled signal of delay.
806, second coupled signal of first coupled signal and the delay is synthesized into output signal.
Method shown in Fig. 8 postpones the second coupled signal.In this way, first coupled signal and the second coupling letter
Number time interval is had, subsequent processing can effectively differentiate the first coupled signal and the second coupled signal according to time interval.
It can reduce interface complexity and cost while effectively distinguishing the first coupled signal and the second coupled signal.Meanwhile no
It needs to select the first coupled signal and the second coupled signal using additional control signal, therefore there is no control signals
Subsequent detection (such as AAS multipath correction and frequency-domain reflectometer detection) is interfered.
Specifically, reflection signal can be obtained using circulator when realizing step 803 and step 804, and to the reflection
Signal is coupled, and the second coupled signal is obtained.In this way, can increase by first coupled signal and second coupled signal every
From degree, the directionality of the signal of output is improved, so as to reduce first coupled signal caused by second coupled signal
Interference.
Further, which is carried out time delay processing by this, obtains the second coupled signal of delay, comprising: adopt
Time delay processing is carried out to second coupled signal with FBAR, BAW or SAW technology, obtains the second coupled signal of the delay.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) or processor (processor) execute side described in each embodiment of the present invention
The all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention, therefore protection scope of the present invention should be subject to the protection scope in claims.
Claims (5)
1. a kind of device of determining signal, which is characterized in that described device is located in communication node, and described device includes:
Coupling module includes the first coupling submodule and the second coupling submodule, and the first coupling submodule is pending for obtaining
Signal is penetrated, the signal to be transmitted is coupled, the first coupled signal is obtained, wherein the signal to be transmitted is the communication
Node needs the signal emitted, and first coupled signal is used for active antenna system multipath correction；
The second coupling submodule couples the reflection signal, obtains the second coupling letter for obtaining reflection signal
Number, wherein the reflection signal is that the signal to be transmitted passes through the reflected signal of reflection point during the launch process, it is described
Second coupled signal is detected for frequency-domain reflectometer；
Passive time delay module, second coupled signal for obtaining the coupling module carry out time delay processing, and acquisition is prolonged
The second slow coupled signal；
It is combined module, what first coupled signal and the passive time delay module for obtaining the coupling module obtained
Second coupled signal of the delay synthesizes output signal.
2. device as described in claim 1, which is characterized in that the passive time delay module is specifically used for using thin-film body sound
Wave resonator FBAR, bulk acoustic wave BAW or surface acoustic wave SAW technology carry out time delay processing to second coupled signal, obtain institute
State the second coupled signal of delay.
3. a kind of feeding network, which is characterized in that the feeding network includes N number of device as claimed in claim 1 or 2,
Middle N is the positive integer more than or equal to 2, and the feeding network further includes combining module,
The combining module, for the road the N output signal of N number of device to be synthesized total output signal.
4. a kind of method of determining signal, which is characterized in that the described method includes:
Signal to be transmitted is obtained, wherein the signal to be transmitted is the signal that communication node needs to emit；
The signal to be transmitted is coupled, the first coupled signal is obtained, first coupled signal is used for active antenna system
System multipath correction；
Reflection signal is obtained, wherein the reflection signal is that the signal to be transmitted is reflected back by reflection point during the launch process
The signal come；
The reflection signal is coupled, the second coupled signal is obtained, second coupled signal is examined for frequency-domain reflectometer
It surveys；
Second coupled signal is subjected to time delay processing, obtains the second coupled signal of delay；
Second coupled signal of first coupled signal and the delay is synthesized into output signal.
5. method as claimed in claim 4, which is characterized in that it is described that second coupled signal is subjected to time delay processing, it obtains
Take the second coupled signal of delay, comprising:
Second coupled signal is carried out using thin film bulk acoustic wave resonator FBAR, bulk acoustic wave BAW or surface acoustic wave SAW technology
Time delay processing obtains the second coupled signal of the delay.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/076791 WO2015168843A1 (en) | 2014-05-05 | 2014-05-05 | Signal determining method, feeding network, and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105393457A CN105393457A (en) | 2016-03-09 |
| CN105393457B true CN105393457B (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201480033534.2A Active CN105393457B (en) | 2014-05-05 | 2014-05-05 | Determine method, feeding network and the device of signal |
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| CN (1) | CN105393457B (en) |
| WO (1) | WO2015168843A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1269075A (en) * | 1997-05-13 | 2000-10-04 | 夸尔柯姆股份有限公司 | System and method for detection and selection of multiple antenna |
| CN1943122A (en) * | 2004-04-20 | 2007-04-04 | 松下电器产业株式会社 | Receiving device, transmitting device, and radio system |
| CN103424634A (en) * | 2013-07-30 | 2013-12-04 | 中国联合网络通信集团有限公司 | Wireless fidelity (WIFI) antenna test system and method |
| CN103546600A (en) * | 2013-10-29 | 2014-01-29 | 华为终端有限公司 | Matching parameter processing method and mobile terminal |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9031523B2 (en) * | 2012-06-26 | 2015-05-12 | Htc Corporation | Systems and methods for determining antenna impedance |
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2014
- 2014-05-05 CN CN201480033534.2A patent/CN105393457B/en active Active
- 2014-05-05 WO PCT/CN2014/076791 patent/WO2015168843A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1269075A (en) * | 1997-05-13 | 2000-10-04 | 夸尔柯姆股份有限公司 | System and method for detection and selection of multiple antenna |
| CN1943122A (en) * | 2004-04-20 | 2007-04-04 | 松下电器产业株式会社 | Receiving device, transmitting device, and radio system |
| CN103424634A (en) * | 2013-07-30 | 2013-12-04 | 中国联合网络通信集团有限公司 | Wireless fidelity (WIFI) antenna test system and method |
| CN103546600A (en) * | 2013-10-29 | 2014-01-29 | 华为终端有限公司 | Matching parameter processing method and mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105393457A (en) | 2016-03-09 |
| WO2015168843A1 (en) | 2015-11-12 |
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