CN102610920B - Antenna-feeder system and phase calibration method - Google Patents
Antenna-feeder system and phase calibration method Download PDFInfo
- Publication number
- CN102610920B CN102610920B CN201210077831.XA CN201210077831A CN102610920B CN 102610920 B CN102610920 B CN 102610920B CN 201210077831 A CN201210077831 A CN 201210077831A CN 102610920 B CN102610920 B CN 102610920B
- Authority
- CN
- China
- Prior art keywords
- phase
- shift network
- shift
- shifter
- phase difference
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title abstract description 5
- 230000010363 phase shift Effects 0.000 claims abstract description 200
- 238000001514 detection method Methods 0.000 claims abstract description 42
- 230000008859 change Effects 0.000 claims abstract description 28
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 230000004048 modification Effects 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000010287 polarization Effects 0.000 description 13
- 238000003491 array Methods 0.000 description 10
- 230000009977 dual effect Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention provides an antenna-feeder system and a phase calibration method. The antenna-feeder system comprises a first phase shift network and a second phase shift network, wherein the first phase shift network and the second phase shift network comprise corresponding phase shift devices with the same number, the antenna-feeder system also comprises a first phase shift control module, a coupler module, a phase difference detection module and a second phase shift control module, the first phase shift control module is used for receiving phase change quantity control signals and regulates the phase shift quantity of the phase shift devices in the first phase shift network according to the phase change quantity control signals, the coupler module is used for coupling radio frequency signals of each path of phase shift devices passing through the first phase shift network and the second phase shift network, in addition, the radio frequency signals are sent to the phase difference detection module, the phase difference detection module is used for obtaining the phase difference of the phase shift devices with the corresponding relationship in the first phase shift network and the second phase shift network according to the phase value of the radio frequency signals and sending the phase difference to the second phase shift control module, and the second phase shift control module is used for regulating the phase shift quantity of the phase shift devices in the second phase shift network according to the phase difference.
Description
Technical field
The present invention relates to signal calibration technology, particularly relate to a kind of antenna-feedback system and phase alignment, belong to communication technical field.
Background technology
In mobile communication, the angle of pitch of antenna is the important parameter of network operation and optimization one, and the angle of pitch rationally arranging antenna is the basic guarantee of whole mobile communication network quality.By the adjustment regulating the relative phase of FD feed in each array element can realize the antenna beam angle of pitch.
Dual polarized antenna is made up of the radiating element that two groups have mutually orthogonal polarised direction, and often organizing radiating element has identical array features.Because the correlation between different polarised direction signal is more weak, therefore relative to single-polarized antenna, dual polarized antenna can produce the effect of good polarization diversity.
Fig. 1 is the system architecture diagram of the antenna-feedback system of typical applying double pole antenna.As shown in Figure 1, signal is sent to antenna-feedback system 13 by two cables by baseband processing unit (BBU) 11 and radio frequency remoto module (RRU) 12.Wherein, signal to polarize port one 4a through cable transmission to the first, and through another root cable transmission to the second polarization port one 4b.The internal structure schematic diagram that Fig. 2 is antenna-feedback system shown in Fig. 1.As shown in Figure 2, the radiofrequency signal of the first polarization port one 4a input is after the first power division network 22a and the first phase-shift network 23a, input to the first polarized array unit (as shown in the solid line of aerial array in Fig. 2 24), the radiofrequency signal of the second polarization port one 4b input, after the second power division network 22b and the second phase-shift network 23b, inputs to the second polarized array unit (as shown in the dotted line of aerial array part in Fig. 2).Each phase shifter in first phase-shift network 23a and the second phase-shift network 23b presets certain phase shift angle, in actual applications, can according to the change of the angle of the angle of declination of antenna required in the network planning, in phase shifting control port 25 signalization phase change amount, this phase change amount can be on the occasion of or negative value, the each phase shifter in the first phase-shift network 23a and the second phase-shift network 23b is controlled by phase shifting control module 26, the basis of current phase shift angle increases or reduces angle corresponding to phase change amount, to change the signal relative phase being fed into two each array elements of polarized array, realize the control of the angle of pitch.
The phase sensitive degree of radiofrequency signal is higher, and is subject to the impact of many factors, and transmission cable length, transmission apparatus performance etc. can change the phase place of signal.Because the radiofrequency signal of dual polarized antenna two polarized arrays is through independently feeding network (power division network and phase-shift network) transmission, cable error in length in feeding network, the FD feed phase place that the factors such as the impact at merit point networking and phase-shift network Phase-shifting Errors cause two polarized arrays is inconsistent, although adopt the phase place regulating two polarized arrays in phase shifting control port signalization phase change amount in such scheme, but the phase error of two-way radiofrequency signal through independently feeding network generation cannot be calibrated, cause the radiation pattern angle of pitch in two polarised directions inconsistent, occur that in cell edge position the electromagnetic wave in two polarised directions covers inconsistent problem, reduce polarization diversity effect.
Summary of the invention
The invention provides a kind of antenna-feedback system and phase alignment, in order to eliminate the phase error of two-way radiofrequency signal because producing through different feeding network transmission in antenna-feedback system.
According to an aspect of the present invention, a kind of antenna-feedback system is provided, comprise the first phase-shift network and the second phase-shift network, described first phase-shift network and described second phase-shift network comprise the phase shifter of equal number, and the phase shifter in described first phase-shift network is corresponding with the phase shifter in described second phase-shift network, also comprise the first phase shifting control module, the second phase shifting control module, Coupler Module and phase difference detection module, wherein:
Described first phase shifting control module is used for receiving phase knots modification control signal, regulates the amount of phase shift of the phase shifter in described first phase-shift network according to described phase change amount control signal;
Described radiofrequency signal for the radiofrequency signal of each the road phase shifter in described first phase-shift network and described second phase-shift network that is coupled, and is sent to described phase difference detection module by described Coupler Module;
Described phase difference detection module is used for the phase value according to described radiofrequency signal, obtains the phase difference in described first phase-shift network and described second phase-shift network with the phase shifter of corresponding relation, and described phase difference is sent to the second phase shifting control module;
Described second phase shifting control module is used for according to described phase difference, regulates the amount of phase shift of the phase shifter in described second phase-shift network.
According to a further aspect in the invention, a kind of phase alignment is also provided, comprises:
First phase shifting control module receiving phase knots modification, regulates the amount of phase shift of the phase shifter in the first phase-shift network according to described phase change amount;
The radiofrequency signal of each the road phase shifter of Coupler Module coupling in described first phase-shift network and the second phase-shift network, and described radiofrequency signal is sent to phase difference detection module;
Described phase difference detection module, according to the phase value of described radiofrequency signal, obtains the phase difference in described first phase-shift network and described second phase-shift network with the phase shifter of corresponding relation, and described phase difference is sent to the second phase shifting control module;
Described second phase shifting control module, according to described phase difference, regulates the amount of phase shift of the phase shifter in described second phase-shift network.
According to antenna-feedback system provided by the invention and phase alignment, because the first polarization phase shifting control module only controls the first phase-shift network according to the phase change amount received, the luffing angle realizing first polarized antenna arrays corresponding with the first phase-shift network controls, in antenna-feedback system, increase coupler group and phase difference detection module simultaneously, to detect the phase place difference of the radiofrequency signal after the first phase-shift network and the second phase-shift network phase shift in real time, and regulate according to the amount of phase shift of phase place difference amount to the second phase-shift network, the angle of pitch realizing the second polarized antenna arrays controls.Therefore, this antenna-feedback system can be eliminated because two-way radiofrequency signal is through two different paths, the signal phase that the difference such as the impact of length of cable error, power division network and phase-shift network precision cause is inconsistent thus antenna two the polarised direction figure angles of pitch caused change inconsistence problems, improves dual polarized antenna polarization diversity effect.
Accompanying drawing explanation
Fig. 1 is the system architecture diagram of the antenna-feedback system of typical applying double pole antenna;
The internal structure schematic diagram that Fig. 2 is antenna-feedback system shown in Fig. 1;
Fig. 3 is the structural representation of the antenna-feedback system of the embodiment of the present invention one;
Fig. 4 is the structural representation of the antenna-feedback system of the embodiment of the present invention two;
The Signal transmissions flow process schematic diagram that Fig. 5 is the antenna-feedback system shown in Fig. 4;
Fig. 6 is the schematic flow sheet of the phase alignment of the embodiment of the present invention four.
Embodiment
Embodiment one
Fig. 3 is the structural representation of the antenna-feedback system of the embodiment of the present invention one.As shown in Figure 3, this antenna-feedback system comprises the first phase-shift network 31a, the second phase-shift network 31b, the first phase shifting control module 32a, the second phase shifting control module 32b, Coupler Module 33 and phase difference detection module 34, wherein:
First phase-shift network 31a and the second phase-shift network 31b comprises the phase shifter of equal number, and phase shifter in described first phase-shift network 31a is corresponding with the phase shifter in described second phase-shift network 31b;
First phase shifting control module 32a, for receiving phase knots modification, regulates the amount of phase shift of the phase shifter in described first phase-shift network 31a according to described phase change amount;
Coupler Module 33, for the radiofrequency signal of each the road phase shifter in described first phase-shift network 31a and described second phase-shift network 31b that is coupled, and is sent to phase difference detection module 34 by described radiofrequency signal;
Described phase difference detection module 34, for the phase value according to described radiofrequency signal, obtain in described first phase-shift network 31a and described second phase-shift network 31b, there is the phase difference of the phase shifter of corresponding relation, and described phase difference is sent to the second phase shifting control module 32b;
Described second phase shifting control module 32b, for according to described phase difference, regulates the amount of phase shift of the phase shifter in described second phase-shift network 31b.
Particularly, include n phase shifter for the first phase-shift network 31a and the second phase-shift network 31b in Fig. 3 and be described, n is the random natural number arranged as required, as shown in Figure 3 situation, and n is greater than 3.First phase-shift network 31a comprises phase shifter 11 to phase shifter 1n, second phase-shift network 31b comprises phase shifter 21 to phase shifter 2n, phase shifter one_to_one corresponding wherein in the first phase-shift network 31a and the second phase-shift network 31b, namely phase shifter 11 is corresponding with phase shifter 21, phase shifter 12 is corresponding with phase shifter 22, phase shifter 13 is corresponding with phase shifter 23, and similarly, phase shifter 1n is corresponding with phase shifter 2n.Wherein, this antenna-feedback system in the course of the work, two-way radiofrequency signal is sent to the first phase-shift network 31a and the second phase-shift network 31b respectively, and is sent to polarized antenna arrays (not shown in Fig. 3) after carrying out phase shift by the phase shifter in the first phase-shift network 31a and the second phase-shift network 31b.Such as, the radiofrequency signal of carrying out phase shift through phase shifter 11 is sent to the first poliarizing antenna, the radiofrequency signal of carrying out phase shift through phase shifter 21 is such as sent to the second poliarizing antenna, phase shifter 11 is corresponding with phase shifter 21, and namely the first poliarizing antenna and the second poliarizing antenna are the dual polarized antenna with mutually orthogonal polarised direction.
First phase shifting control module 32a obtains phase change amount that is that inputted by user or that provided by arbitrary network equipment by the phase shifting control port (not shown in Fig. 3) self arranged, phase adjusted instruction is generated according to phase change amount, and regulate according to the amount of phase shift of phase adjusted instruction to phase shifter 11 to the phase shifter 1n in the first phase-shift network 31a, wherein phase change amount can be arranged according to the angle at the descending angle of antenna required in the network planning, and its numerical value can be on the occasion of also can being negative value.
Coupler Module 33 is connected with each phase shifter in the first phase-shift network 31a and the second phase-shift network 31b respectively, for being coupled to the radiofrequency signal after each phase shifter phase shift, obtains the signal corresponding with the radiofrequency signal after each phase shift.Now, the amount of phase shift of each phase shifter in the first phase-shift network 31a is the amount of phase shift after the first phase shifting control module 32a regulates according to this phase change amount obtained, and the amount of phase shift of each phase shifter in the second phase-shift network 31b is amount of phase shift when not regulating according to this phase change amount obtained.The one group of signal (comprising two paths of signals) obtained that is coupled from a pair phase shifter with corresponding relation is sent to phase difference detection module 34 by Coupler Module 33.Particularly, be connected by 2n port between phase difference detection module 34 with Coupler Module 33, and this 2n port one group between two, corresponding with the phase shifter in the first phase-shift network 31a and the second phase-shift network 31b, Coupler Module 33 sends with the corresponding relation of phase shifter the signal being coupled and obtaining according to this 2n port.Wherein, Coupler Module 33 is such as a multi-channel coupling device comprising 2n paths.
Phase difference detection module 34 is according to the signal in groups received from Coupler Module 33, detect the phase difference of two paths of signals in this group signal, and this phase difference is sent to the second phase shifting control module 32b, according to this phase difference, amount of phase shift adjustment is carried out to the phase shifter in the second phase-shift network 31b to make the second phase shifting control module 32b.
In the present embodiment, phase difference detection module 34 can utilize existing phase difference detector to realize, and the first phase shifting control module 32a and the second phase shifting control module 32b can utilize existing phase-shift controller to realize.
According to the antenna-feedback system of above-described embodiment, because the first polarization phase shifting control module only controls the first phase-shift network according to the phase change amount received, the luffing angle realizing first polarized antenna arrays corresponding with the first phase-shift network controls, in antenna-feedback system, increase coupler group and phase difference detection module simultaneously, to detect the phase place difference of the radiofrequency signal after the first phase-shift network and the second phase-shift network phase shift in real time, and regulate according to the amount of phase shift of phase place difference amount to the second phase-shift network, the angle of pitch realizing the second polarized antenna arrays controls.Therefore, this antenna-feedback system can be eliminated because two-way radiofrequency signal is through two different paths, the signal phase that the difference such as the impact of length of cable error, power division network and phase-shift network precision cause is inconsistent thus antenna two the polarised direction figure angles of pitch caused change inconsistence problems, improves dual polarized antenna polarization diversity effect.
Embodiment two
Fig. 4 is the structural representation of the antenna-feedback system of the embodiment of the present invention two.In the present embodiment, comprise multiple single channel coupler for coupler group to be described, as shown in Figure 4, coupler group comprises 2n single channel coupler, one end of each coupler is connected with phase shifter 21 to the 2n in phase shifter 11 to the 1n in the first phase-shift network 43a and the second phase-shift network 43b respectively, corresponding with the phase shifter respectively poliarizing antenna of the other end connects, and to carry out after phase shift, as the radiofrequency signal of the input signal of poliarizing antenna for being coupled out through phase shifter.
The Signal transmissions flow process schematic diagram that Fig. 5 is the antenna-feedback system shown in Fig. 4.As shown in Figure 5, comprising:
Step S501, first via radiofrequency signal inputs to the first polarization port 41a, through the first power division network 42a, is divided into n road low-power level signal;
Step S502, phase-shifted control signal inputs to the first phase shifting control module 46a by phase shifting control port 47, controls the amount of phase shift of each phase shifter in the first phase-shift network 43a;
Step S503, n road low-power level signal through the first phase-shift network 43a, each road signal generation phase change;
The low-power level signal of step S504, n road first phase-shift network 43a phase shift inputs to the first polarized array unit (as shown in the solid line of aerial array in Fig. 4 45) through coupler, gives off first via phase shift radiofrequency signal;
Step S505, the second tunnel radiofrequency signal inputs to the second polarization port 41b, through the second power division network 42b, is divided into n road low-power level signal;
Step S506, second power division network 42b export n road low-power level signal through the second phase-shift network 43b, each road signal generation phase change;
The low-power level signal of step S507, n road second phase-shift network 43b phase shift inputs to the second polarized array unit (as shown in the dotted line of aerial array in Fig. 4 45) through coupler, gives off the second tunnel phase shift radiofrequency signal;
Step S508,2n coupler in coupler group 44 is coupled out the low-power level signal of the input as the first polarized array unit and the second polarized array unit respectively, form n to output, export the corresponding n of phase difference detection module 48 respectively to input port, and detected the phase difference of the two-way low-power level signal of each pair of input port by phase difference detection module 48;
Step S509, phase difference corresponding for every a pair input port is converted to corresponding phase signal by phase difference detection module 48, inputs to the second phase shifting control module 46b;
Particularly, phase difference detection module 48 and the second phase shifting control module 46b are such as by n bar connection, and n the port that namely phase difference detection module 48 is respectively used to export n road phase signal is connected with n the port of the second phase shifting control module 46b respectively; Such as, phase difference detection module 48 passes through the 1st output port of self according to the 1st phase signal that the 1st pair of input port Received signal strength obtains, and is sent to the 1st input port of the second phase shifting control module 46b;
Step S510, the second phase shifting control module 46b controls the amount of phase shift of each phase shifter in the second phase-shift network 43b according to the phase signal received from phase detecting module 48;
Particularly, the 1st phase signal that second phase shifting control module 46b receives according to the 1st input port of self, regulates the amount of phase shift of phase shifter 21, similarly, according to the n-th phase signal that the n-th input port of self receives, regulate the amount of phase shift of phase shifter 2n.
Embodiment three
On the basis of above-described embodiment, in the present embodiment, phase difference detection module and the second phase shifting control module are by means of only 1 connection, and correspondingly, described phase difference detection module is also for arranging mark for described phase difference; Described second phase shifting control module also for determining the phase shifter in the second phase-shift network corresponding with described phase difference according to described mark, and according to described phase difference, regulates the amount of phase shift of corresponding shifter.
Particularly, still for the antenna-feedback system shown in Fig. 4, the signal that phase difference detection module 48 is provided input port reception coupler by n, such as by the low-power level signal through phase shifter 11 and phase shifter 21 phase shift that the 1st pair of input port receives that coupler is coupled to, phase signal is obtained based on this low-power level signal, and a mark corresponding with phase shifter 21 is set for this phase signal, phase signal is sent to the second phase shifting control module 46b together with mark.After second phase shifting control module 46b receives phase signal, the mark entrained by phase signal determines that this phase signal corresponds to phase shifter 21, then regulate the amount of phase shift of phase shifter 21 according to phase signal.
Phase difference detection module in the present embodiment, such as, realize for the identify unit performing identification function by setting up one in existing phase difference detector, this identify unit both by software simulating also by hardware implementing.
Embodiment four
Fig. 6 is the schematic flow sheet of the phase alignment of the embodiment of the present invention four.As shown in Figure 6, this phase alignment comprises the following steps:
Step S601, the first phase shifting control module receiving phase knots modification, regulates the amount of phase shift of the phase shifter in the first phase-shift network according to described phase change amount;
Step S602, the radiofrequency signal of each the road phase shifter phase shift of Coupler Module coupling in described first phase-shift network and the second phase-shift network, and described radiofrequency signal is sent to phase difference detection module;
Step S603, described phase difference detection module, according to the phase value of described radiofrequency signal, obtains the phase difference in described first phase-shift network and described second phase-shift network with the phase shifter of corresponding relation, and described phase difference is sent to the second phase shifting control module;
Step S604, described second phase shifting control module, according to described phase difference, regulates the amount of phase shift of the phase shifter in described second phase-shift network.
Above-mentioned phase alignment is performed by the antenna-feedback system of above-mentioned any embodiment, and its idiographic flow is identical with the process that the antenna-feedback system excute phase of above-described embodiment is calibrated, so place repeats no more.
According to the phase alignment of above-described embodiment, because the first polarization phase shifting control module only controls the first phase-shift network according to the phase change amount received, the luffing angle realizing first polarized antenna arrays corresponding with the first phase-shift network controls, in antenna-feedback system, increase coupler group and phase difference detection module simultaneously, to detect the phase place difference of the radiofrequency signal after the first phase-shift network and the second phase-shift network phase shift in real time, and regulate according to the amount of phase shift of phase place difference amount to the second phase-shift network, the angle of pitch realizing the second polarized antenna arrays controls.Therefore, can eliminate because two-way radiofrequency signal is through two different paths, the signal phase that the difference such as the impact of length of cable error, power division network and phase-shift network precision cause is inconsistent thus antenna two the polarised direction figure angles of pitch caused change inconsistence problems, improves dual polarized antenna polarization diversity effect.
Further, in the phase alignment of above-described embodiment, described phase difference is sent to the second phase shifting control module and specifically comprises:
Described phase difference detection module is that described phase difference arranges mark, and will carry described mark and described phase difference is sent to described second phase shifting control module;
Correspondingly, described second phase shifting control module, according to described phase difference, regulates the amount of phase shift of the phase shifter in described second phase-shift network specifically to comprise:
Described second phase shifting control module determines the phase shifter in the second phase-shift network corresponding with described phase difference according to described mark, and according to described phase difference, regulates the amount of phase shift of corresponding shifter.
Further, in the phase alignment of above-described embodiment, described phase difference is sent to the second phase shifting control module and specifically comprises:
Described phase difference, by the circuit corresponding with described phase difference, is sent to the second phase shifting control module by described phase difference detection module;
Correspondingly, described second phase shifting control module, according to described phase difference, regulates the amount of phase shift of the phase shifter in described second phase-shift network specifically to comprise:
Described second phase shifting control module, according to the circuit receiving described phase difference, determines the phase shifter in the second phase-shift network corresponding with described phase difference, and according to described phase difference, regulates the amount of phase shift of corresponding shifter.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (3)
1. an antenna-feedback system, comprise the first phase-shift network and the second phase-shift network, described first phase-shift network and described second phase-shift network comprise the phase shifter of equal number, and the phase shifter in described first phase-shift network is corresponding with the phase shifter in described second phase-shift network, it is characterized in that, also comprise the first phase shifting control module, the second phase shifting control module, Coupler Module and phase difference detection module, wherein:
Described first phase shifting control module is used for receiving phase knots modification control signal, regulates the amount of phase shift of the phase shifter in described first phase-shift network according to described phase change amount control signal;
Described radiofrequency signal for the radiofrequency signal of each the road phase shifter in described first phase-shift network and described second phase-shift network that is coupled, and is sent to described phase difference detection module by described Coupler Module;
Described phase difference detection module is used for the phase value according to described radiofrequency signal, obtains the phase difference in described first phase-shift network and described second phase-shift network with the phase shifter of corresponding relation, and described phase difference is sent to the second phase shifting control module;
Described second phase shifting control module is used for according to described phase difference, regulates the amount of phase shift of the phase shifter in described second phase-shift network;
Described phase difference detection module is by a circuit and the second phase shifting control model calling;
Correspondingly, described phase difference detection module is also for arranging mark for described phase difference; Described second phase shifting control module also for determining the phase shifter in the second phase-shift network corresponding with described phase difference according to described mark, and according to described phase difference, regulates the amount of phase shift of corresponding phase shifter;
Or,
Described phase difference detection module is by many circuits and the second phase shifting control model calling, and the quantity of wherein said circuit is equal with the quantity of the phase shifter in described second phase-shift network, and described circuit is corresponding with the phase shifter in described second phase-shift network;
Correspondingly, described second phase shifting control module also for according to the circuit receiving described phase difference, determines the phase shifter in the second phase-shift network corresponding with described phase difference, and according to described phase difference, regulates the amount of phase shift of corresponding phase shifter.
2. antenna-feedback system according to claim 1, it is characterized in that, described Coupler Module is coupler group, described coupler group comprises multiple single channel coupler, and the quantity of wherein said single channel coupler equals the quantity sum of the phase shifter in described first phase-shift network and described second phase-shift network; Or
Described Coupler Module is single multi-channel coupling device, and the number of channels of described multi-channel coupling device is not less than the quantity sum with the phase shifter in described second phase-shift network in described first phase-shift network.
3., based on the phase alignment that the arbitrary described antenna-feedback system of claim 1-2 performs, it is characterized in that, comprising:
First phase shifting control module receiving phase knots modification, regulates the amount of phase shift of the phase shifter in the first phase-shift network according to described phase change amount;
The radiofrequency signal of each the road phase shifter of Coupler Module coupling in described first phase-shift network and the second phase-shift network, and described radiofrequency signal is sent to phase difference detection module;
Described phase difference detection module, according to the phase value of described radiofrequency signal, obtains the phase difference in described first phase-shift network and described second phase-shift network with the phase shifter of corresponding relation, and described phase difference is sent to the second phase shifting control module;
Described second phase shifting control module, according to described phase difference, regulates the amount of phase shift of the phase shifter in described second phase-shift network;
Described phase difference is sent to the second phase shifting control module specifically to comprise:
Described phase difference detection module is that described phase difference arranges mark, and described mark and described phase difference are sent to described second phase shifting control module;
Correspondingly, described second phase shifting control module, according to described phase difference, regulates the amount of phase shift of the phase shifter in described second phase-shift network specifically to comprise:
Described second phase shifting control module determines the phase shifter in the second phase-shift network corresponding with described phase difference according to described mark, and according to described phase difference, regulates the amount of phase shift of corresponding phase shifter;
Or,
Described phase difference is sent to the second phase shifting control module specifically to comprise:
Described phase difference, by the circuit corresponding with described phase difference, is sent to the second phase shifting control module by described phase difference detection module;
Correspondingly, described second phase shifting control module, according to described phase difference, regulates the amount of phase shift of the phase shifter in described second phase-shift network specifically to comprise:
Described second phase shifting control module, according to the circuit receiving described phase difference, determines the phase shifter in the second phase-shift network corresponding with described phase difference, and according to described phase difference, regulates the amount of phase shift of corresponding phase shifter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210077831.XA CN102610920B (en) | 2012-03-22 | 2012-03-22 | Antenna-feeder system and phase calibration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210077831.XA CN102610920B (en) | 2012-03-22 | 2012-03-22 | Antenna-feeder system and phase calibration method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102610920A CN102610920A (en) | 2012-07-25 |
| CN102610920B true CN102610920B (en) | 2014-12-24 |
Family
ID=46528154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210077831.XA Active CN102610920B (en) | 2012-03-22 | 2012-03-22 | Antenna-feeder system and phase calibration method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102610920B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607235B (en) * | 2013-08-27 | 2017-03-01 | 京信通信技术(广州)有限公司 | Antenna-feedback system access device and antenna-feedback system |
| WO2016078040A1 (en) | 2014-11-19 | 2016-05-26 | 华为技术有限公司 | Phase calibration method and apparatus |
| EP3211807B1 (en) * | 2015-05-12 | 2020-03-25 | Huawei Technologies Co., Ltd. | Double-frequency phased array |
| US10263330B2 (en) * | 2016-05-26 | 2019-04-16 | Nokia Solutions And Networks Oy | Antenna elements and apparatus suitable for AAS calibration by selective couplerline and TRX RF subgroups |
| CN107994958B (en) * | 2017-11-27 | 2021-01-05 | 成都九洲迪飞科技有限责任公司 | Channel phase consistency debugging system and method of broadband detection receiver |
| CN110299951B (en) * | 2018-03-23 | 2022-04-22 | 中兴通讯股份有限公司 | Phase calibration method and device |
| CN113381791A (en) * | 2018-04-20 | 2021-09-10 | 上海华为技术有限公司 | Feed signal forming method and related equipment |
| CN114188680A (en) * | 2020-09-14 | 2022-03-15 | 华为技术有限公司 | Communication device and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110064157A1 (en) * | 2009-09-16 | 2011-03-17 | Intel Corporation | Spectrally flat delay diversity transmission |
| KR20110081496A (en) * | 2010-01-08 | 2011-07-14 | 엘에스산전 주식회사 | Vector modulator using time delay and phase shifter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3389455B2 (en) * | 1997-06-17 | 2003-03-24 | 三洋電機株式会社 | Adaptive array device and correction method therefor |
| EP1705807B1 (en) * | 2003-12-31 | 2017-10-25 | ZTE Corporation | Method for an antenna array transmitting link |
| CN102082326B (en) * | 2009-11-26 | 2014-03-19 | ***通信集团公司 | Intelligent antenna equipment and method for supporting independent intersystem electric regulation |
| CN102280719B (en) * | 2011-05-11 | 2014-05-07 | 中国航空无线电电子研究所 | Launch phase real-time calibrating device and method based on four unit directional antennas |
-
2012
- 2012-03-22 CN CN201210077831.XA patent/CN102610920B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110064157A1 (en) * | 2009-09-16 | 2011-03-17 | Intel Corporation | Spectrally flat delay diversity transmission |
| KR20110081496A (en) * | 2010-01-08 | 2011-07-14 | 엘에스산전 주식회사 | Vector modulator using time delay and phase shifter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102610920A (en) | 2012-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102610920B (en) | Antenna-feeder system and phase calibration method | |
| WO2021244532A1 (en) | Communication method and related apparatus | |
| KR101392073B1 (en) | Antenna, base station and beam processing method | |
| CN101595637B (en) | Phase and power calibration in active antennas | |
| DE602004006829T2 (en) | Multi-antenna diversity system and antenna device | |
| US20150357710A1 (en) | Antenna apparatus and antenna direction control method | |
| CN102280719B (en) | Launch phase real-time calibrating device and method based on four unit directional antennas | |
| CN106160952B (en) | A kind of channel information feedback method and device | |
| CN112994721B (en) | Multichannel antenna correcting device, array antenna and communication equipment | |
| WO2018041266A1 (en) | Multi-antenna compensation method and apparatus therefor, radio frequency device and computer storage medium | |
| CN107241129A (en) | The calibration method and device of narrow band channel state information reference signals beam direction | |
| TWI635737B (en) | Pilot signal sending and receiving processing method and device | |
| CN102142888B (en) | Microwave device and microwave transmission method | |
| KR20210093346A (en) | Method and system for testing wireless performance of wireless terminals | |
| WO2017000552A1 (en) | Method and apparatus for detecting connection line order of electrical tilting antenna | |
| CN103905345B (en) | channel correcting device, method and system | |
| WO2016015579A1 (en) | Method and device for pilot transmission and measurement in mimo system | |
| CN111327371A (en) | Antenna alignment method, antenna alignment device, phased array antenna system and readable storage medium | |
| EP3054743B1 (en) | Single board, wireless communication system and calibration method for channel inside/outside single board | |
| US9780858B2 (en) | Method and apparatus for determining three-dimensional beam pre-coding information | |
| US10355355B2 (en) | Antenna system and control method | |
| CN105991213A (en) | Codebook determining method and codebook determining device | |
| CN104980232A (en) | Consistency measuring device and method of reciprocity and synchronization of large-scale antenna array | |
| CN105099636A (en) | Pilot signal sending method, channel information feedback method and device | |
| KR101591920B1 (en) | Directional antenna using electro polarization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |