CN1841964B - Phase control method - Google Patents
Phase control method Download PDFInfo
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- CN1841964B CN1841964B CN2006100550524A CN200610055052A CN1841964B CN 1841964 B CN1841964 B CN 1841964B CN 2006100550524 A CN2006100550524 A CN 2006100550524A CN 200610055052 A CN200610055052 A CN 200610055052A CN 1841964 B CN1841964 B CN 1841964B
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- phase
- control
- phase shifter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H33/00—Bathing devices for special therapeutic or hygienic purposes
- A61H33/06—Artificial hot-air or cold-air baths; Steam or gas baths or douches, e.g. sauna or Finnish baths
- A61H33/066—Cabins therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
Abstract
The object of this invention is to materialize a phase synthesis diversity receiver capable of performing stable control even though phase discontinuity occurs in change-over of control voltage caused by a change in temperature or the like. A phase control method is disclosed for controlling a phase shifter using a voltage controlled phase shifter to perform continuous phase control of 360[deg.], the phase control method is characterized in that a phase control range of the voltage controlled phase shifter is set to a prescribed range that exceeds 360[deg.] and when the control voltage of the power controlled phase shifter is discontinuously changed over, control is performed so as to have a hysteresis characteristic by making the change-over point of the control voltage in the case of increasing phase and the change-over point of the control voltage in the case of decreasing phase different.
Description
Technical field
The present invention is applied in wireless communication system, relates to the phase control of the wireless portion of diversity receiver or array antenna etc.
Background technology
Fig. 2 representes the general same block diagram that is combined to diversity receiver.Comprise among Fig. 2 with the lower part: variable phase shifter 101, input receiving inputted signal B also changes into predetermined phase place; Synthesizer 102 carries out becoming synthetic with the signal (output of variable phase shifter 101) of receiving inputted signal A homophase and receiving inputted signal A, the line output of going forward side by side through variable phase shifter 101; And phase controller 103, variable phase shifter 101 is carried out phase control, make the output of synthesizer 102 become maximum.Fig. 3 representes an example of the control method of variable phase shifter 101.
In Fig. 3; Epimere is made as the phase control value (controlling value of phase controller 103 promptly) of variable phase shifter 101, hypomere is made as the amplitude (being the output of synthesizer 102) that synthesizes output; For the ease of explanation; In gap (time slot), suppose that the phase control value of epimere is reflected in the amplitude of hypomere immediately at one time, suppose relatively to provide control variable phase shifter 101.In addition, as control method, suppose to carry out that each time slot is changed certain phase control amount and make synthetic amplitude become maximum such control.
Here, in Fig. 3, suppose t in the time slot
3State the time receiving inputted signal A and B become same phase place, describe.
Time slot t
1～t
3Between net amplitude increases along with the increase of phase control value.But t in the time slot
4Middle can the skew from optimum phase, thus can not become peak swing, from peak swing amplitude minimizing on the contrary.Therefore, the t in the time slot
5In reduce the control of phase control value, increase once more through this control amplitude, so at ensuing time slot t
6In also reduce the control of phase place.Here, because the net amplitude minimizing, so at ensuing time slot t
7In increase the operation of phase place.Like this, the certain phase control amount of each change makes that the amplitude after synthesizing becomes maximum in each time slot, has constituted thus and has carried out the synthetic diversity receiver of phase place.
In variable phase shifter 101, adopt among vector compounding phase shifter for example shown in Figure 4 or Fig. 5 characteristic voltage-controlled type variable phase shifter etc.
The vector compounding phase shifter of Fig. 4 comprises with the lower part: phase shifter 301, a side receiving inputted signal (RF signal) Ei is output as former state phase place (0 °) the output signal and changed the output signal of 90 ° of (quadrature phase) phase places; Multiplier 302 and 303 multiply by the coefficient of being given to each output of phase shifter 301; And synthesizer 304, export the output of multiplier 302 and 303 is synthetic.In Fig. 4; If to only the squint control of phase mass θ of input signal Ei; Then, give multiplier 302 with cos θ as coefficient and come multiplying, for 90 ° output of phase shifter 301 for 0 ° output of phase shifter 301; Sin θ given to multiplier 303 as coefficient come multiplying, can make phase mass only change θ through synthetic then.
Fig. 5 representes the characteristic of control voltage-phase shift amount of the variable phase shifter of voltage-controlled type.In Fig. 5, being made as can be from 0 ° to 360 ° the structure of controlling point-blank according to control voltage.
The control of the phase shifter, controlling value that Fig. 6 representes to utilize Fig. 5 when that kind is from the upper limit of control voltage or lower limit conversion from 0 ° to 360 ° or from 360 ° to 0 °.Here, expression increases the situation of the control of phase control value all the more in Fig. 6 (a), and expression reduces the situation of the control of controlling value all the more in Fig. 6 (b).
In fact; Because with certain phase control amount unit change; So for example if 1 ° of unit, then control range is 0 °～359 °, the conversion of control voltage also from 0 ° to 359 °, or from 359 ° to 0 ° that kind carry out; But for the ease of explanation, suppose, be transformed into the same phase point after so-called 1 week of rotation from 0 ° to 360 °.
Patent documentation: TOHKEMY 8-125597 communique
For example will be under the situation that realizes above-mentioned phase place synthesis type diversity reception circuit with the 10GHz frequency band; In the such vector compounding phase shifter of Fig. 4, have and in each element, can not guarantee enough precision and reduce receiving quality, the device situation of the obstacle in expensive, the generation practicality that becomes.Particularly; For receiving signal is to adopt OFDM (Orthogonal Frequency Division Multiplexing; OFDM) modulation signal or 64QAM (the Quadrature Amplitude Modulation of such multicarrier; Quadrature amplitude modulation) or the such more reception signal of long number of 256QAM, become the main cause of deterioration in characteristics.
In addition; In the voltage-controlled type phase shifter of Fig. 5; Even as Fig. 6, want from 0 ° to 360 ° or from 360 ° to 0 ° such translate phase controlling value, also can be because of temperature change etc.; As shown in Figure 7, have in output phase, to produce the situation that error, 0 °～360 ° control range for example become the control range of-10 °～370 ° of that kind.Under this situation, in the scope of the conversion of not controlling voltage, only can control through the phase control value change of once moving; But, be to pass through under the situation of transfer point (0 °, the 360 °) control of controlling voltage; As shown in Figure 7; Even under optimum phase point and transfer point condition of different, the peak value that produces the amplitude of synthetic output at this transfer point is also arranged, the possibility that the transfer point mistake is judged as optimum phase point is arranged.
Summary of the invention
The objective of the invention is to eliminate these shortcomings, realize that a kind of phase place synthesizes diversity receiver,, also can carry out stable control because of variations in temperature etc. has produced the discontinuous of phase place when the conversion of control voltage.
The present invention in order to achieve the above object; A kind of phase control method; Utilizing the voltage control phase shifter to carry out in the phase shifter of phase control, the phase control scope of above-mentioned voltage control phase shifter is made as is surpassing 360 ° preset range, when changing the control voltage of above-mentioned voltage control phase shifter discontinuously; The transfer point of the control voltage of the transfer point that makes the control voltage when increasing phase place during with the minimizing phase place is different, thus the control with hysteresis characteristic.
In addition, utilize this phase control method to control the voltage control phase shifter, this voltage control phase shifter is to control with the phase place that is combined to 1 receiving inputted signal of diversity receiver at least.
In addition, when changing the control voltage of above-mentioned voltage control phase shifter discontinuously, during predetermined before output phase is stable, stop the output of above-mentioned voltage control phase shifter.
In addition; A kind of phase control method; Utilizing the voltage control phase shifter to carry out in the phase shifter of phase control, the phase comparator that possess phase shifter more than 2, the output of above-mentioned phase shifter more than 2 is compared and select 1 transducer in the above-mentioned phase shifter output; With the phase control scope of above-mentioned each phase shifter be made as surpass 360 °, in higher zone of control voltage and lower zone the scope of the same phase place of may command; When the control voltage of the phase shifter of being selected by above-mentioned transducer reaches above-mentioned scope; Conversion earlier is not by the control voltage of certain phase shifter of above-mentioned transducer selection; Above-mentioned phase comparator is controlled so that the phase place of above-mentioned certain phase shifter of being selected by above-mentioned transducer does not become homophase with the phase shifter of being selected by above-mentioned transducer; Then, at the predetermined transfer point of above-mentioned scope, from converted into the output of above-mentioned certain phase shifter by the output of the phase shifter of above-mentioned transducer selection.
In addition, utilize this phase control method to control the voltage control phase shifter, this voltage control phase shifter is to control with the phase place that is combined to 1 receiving inputted signal of diversity receiver at least.
In addition, a kind of phase control method is utilizing the voltage control phase shifter to carry out in the phase shifter of phase control, the phase comparator that possess 2 phase shifters, the output of above-mentioned 2 phase shifters is compared and select 1 transducer in the above-mentioned phase shifter output; If the phase control scope of a phase shifter is narrower than 360 °; Above-mentioned 2 phase shifters have the common control range of a part, the i.e. scope of the same phase place of may command in higher zone of control voltage and lower zone; When the control voltage of above-mentioned phase shifter reaches the common control range of an above-mentioned part; Above-mentioned phase comparator is controlled so that do not become homophase by the phase place of certain phase shifter of above-mentioned transducer selection and the phase shifter of being selected by above-mentioned transducer; Then at the predetermined transfer point of the common control range of an above-mentioned part, convert the output of above-mentioned certain phase shifter into from the output of the phase shifter selected by above-mentioned transducer.
In addition, utilize this phase control method to control the voltage control phase shifter, this voltage control phase shifter is to control with the phase place that is combined to 1 receiving inputted signal of diversity receiver at least.
The invention effect
According to the present invention, can realize that a kind of phase place synthesizes diversity receiver, even, also can carry out stable control because of variations in temperature etc. has produced the discontinuous of phase place when the conversion of control voltage.In addition, even the output phase of phase shifter is disorderly when the control voltage of the control of changing voltage discontinuously phase shifter, also can prevent the deterioration of receiving quality through synthetic output during this.
In addition, through using a plurality of phase shifters, can realize to control continuously the synthetic diversity receiver of phase place of output phase.
Description of drawings
Fig. 1 is the figure of an example of characteristic of the control voltage-phase shift amount of the voltage control phase shifter that adopts among the present invention of expression;
Fig. 2 is the block diagram of an example of expression diversity receiver;
Fig. 3 is the figure of an example of the control method of the general phase shifter of explanation;
Fig. 4 is the block diagram of an example of expression vector compounding phase shifter;
Fig. 5 be represent voltage control phase shifter in the past control voltage-phase shift amount characteristic one the example figure;
Fig. 6 be explain voltage control phase shifter in the past control method one the example figure;
Fig. 7 is the explanation figure that control phase becomes discontinuous situation in the control method of in the past voltage control phase shifter;
Fig. 8 is the figure of an example of the control method of the voltage control phase shifter that adopts among the present invention of explanation;
Fig. 9 is the block diagram of an example of expression phase shifter of the present invention;
Figure 10 is the figure of an example of the control method of the voltage control phase shifter that adopts among the present invention of explanation.
Embodiment
One example of the phase control characteristic of the phase shifter (variable phase shifter 101 of Fig. 2) that Fig. 1 representes to adopt among the present invention.In the phase control of the phase shifter in the past of Fig. 5, control range is 0 °～360 °, but is 0 °～380 ° in Fig. 1 of the present invention, and control range is only enlarged 20 degree.Here, if the enlarging amplitude of control range with respect to 0 °～360 ° surpluses that the several years are arranged of control range of the actual phase place that will carry out, for example, if the controlled step of phase place, as long as then have the surplus of several steps degree.In addition, in the phase shifter that in fact uses, can realize above-mentioned functions by 1, also can be by a plurality of realizations.
Control situation when Fig. 8 representes to utilize the phase shifter of phase control characteristic of Fig. 1.In Fig. 8, be controlled to be respectively: control voltage (Fig. 2 phase controller 103 output) becomes 380 ° (+20 °), hour is becoming 0 ° when maximum.
Fig. 8 (a) is illustrated in the example of the control when controlling on the direction that increases phase place, and is same, and Fig. 8 (b) is illustrated in the example of the control when controlling on the direction that reduces phase place.
When as Fig. 8 (a), phase place more and more being increased; Usually owing to rotated for 1 week in 360 ° of phase places; So conversion and control voltage makes phase place become 0 °; In the present invention, still proceed control, and be controlled to be and when becoming 380 °, will control voltage from being voltage corresponding to 20 ° corresponding to 380 ° voltage transitions.Otherwise, be controlled to be when phase place is reduced like Fig. 8 (b), carry out from 0 ° to 360 ° conversion.
In fact; Because with corresponding from 380 ° to 360 °, so need only between this, the conversion of where controlling voltage all is identical phase place from 20 ° to 0 °; This does not have any variation; But through controlling like this, under situation about controlling and situation about controlling with the mode that reduces phase place with the mode that increases phase place, can have 20 ° poor, be hysteresis characteristic.
Therefore; Even the discontinuous of phase place taken place because of the control voltage-output phase flutter in the variable phase shifters such as for example temperature change, when the conversion and control voltage; Because there is surplus the front and back of the control voltage after conversion just; So this is discontinuous to be temporary transient, the undesirable condition as producing in the prior art can not take place.
In addition, in the conversion of control voltage owing to produce control lag, so phase place is revolved three-sixth turn during this period.Therefore, in the diversity receiver of Fig. 2, utilize when of the present invention the situation of degradation fault under the conversion of control voltage happens occasionally receiving quality.Under such situation, stop to the output phase of the variable phase shifter 101 of Fig. 2 the output of phase shifter till stable, between given period, can prevent the deterioration of receiving quality at least.
In addition; Under the situation that can use a plurality of phase shifters, that kind for example shown in Figure 9 possesses the transducer 903 and the phase comparator 904 of the output of the 1st phase shifter the 901, the 2nd phase shifter 902,2 phase shifters of conversion; Under the situation that for example output of the 1st phase shifter 901 is selected to export by transducer 903; Shown in figure 10, control voltage got into specific during, promptly in higher zone of control voltage and lower zone under the situation in the scope of the same phase place of may command, with the control voltage transitions of the 2nd phase shifter 902 be and the 1st phase shifter 901 Different control voltages; Utilize phase comparator 904 to control; Make the 1st phase shifter 901 and the 2nd phase shifter 902 become same phase place, when the control voltage of the 1st phase shifter 901 need be changed, convert the output of the 2nd phase shifter 902 into through output transducer 903; Even under the situation of the conversion of needs control voltage, the disorder of phase place can not take place also.
And then; The 1st phase shifter 901 of Fig. 9 and the phase control scope of the 2nd phase shifter 902 are controlled, made it overlapped and different, for example; The phase control scope of the 1st phase shifter 901 is made as 0 ° to 190 °; The phase control scope of the 2nd phase shifter 902 is made as 180 ° to 370 °, when 180 ° are come 190 °, controls, make the 1st phase shifter 901 and the 2nd phase shifter 902 become homophase when the control of the 1st phase shifter 901; When the phase place of the 1st phase shifter 901 reaches 190 °, convert the 2nd phase shifter 902 into through transducer 903; Control when 360 ° are come 370 ° when the control of the 2nd phase shifter 902, make the 1st phase shifter 901 and the 2nd phase shifter 902 become homophase; When the phase place of the 2nd phase shifter 902 reaches 370 °, convert the 1st phase shifter 901 into through transducer 903; Thus, even also can use under than 360 ° of narrow situation in the phase control scope of a phase shifter.
Claims (7)
1. phase control method; Be to utilize the voltage control phase shifter to carry out the control method of the phase shifter of phase control; It is characterized in that, the phase control scope of above-mentioned voltage control phase shifter is made as surpasses 360 ° preset range, when changing the control voltage of above-mentioned voltage control phase shifter discontinuously; The transfer point of the control voltage of the transfer point that makes the control voltage when increasing phase place during with the minimizing phase place is different, thus the control with hysteresis characteristic.
2. phase control method as claimed in claim 1 is characterized in that, above-mentioned phase control method control voltage control phase shifter, and this voltage control phase shifter is to control with the phase place that is combined to 1 receiving inputted signal of diversity receiver at least.
3. according to claim 1 or claim 2 phase control method is characterized in that, when changing the control voltage of above-mentioned voltage control phase shifter discontinuously, the scheduled period before output phase is stable, stops the output of above-mentioned voltage control phase shifter.
4. phase control method; Be to utilize the voltage control phase shifter to carry out the control method of the phase shifter of phase control; It is characterized in that; The phase comparator that possesses phase shifter more than 2, the output of above-mentioned phase shifter more than 2 is compared and select 1 transducer in the above-mentioned phase shifter output
With the phase control scope of above-mentioned each phase shifter be made as surpass 360 °, in higher zone of control voltage and lower zone the scope of the same phase place of may command; When the control voltage of the phase shifter of being selected by above-mentioned transducer reaches above-mentioned scope; Conversion earlier is not by the control voltage of certain phase shifter of above-mentioned transducer selection; Above-mentioned phase comparator is controlled so that the phase place of above-mentioned certain phase shifter of being selected by above-mentioned transducer does not become homophase with the phase shifter of being selected by above-mentioned transducer; Then, at the predetermined transfer point of above-mentioned scope, from converted into the output of above-mentioned certain phase shifter by the output of the phase shifter of above-mentioned transducer selection.
5. phase control method as claimed in claim 4 is characterized in that, above-mentioned phase control method control voltage control phase shifter, and this voltage control phase shifter is to control with the phase place that is combined to 1 receiving inputted signal of diversity receiver at least.
6. phase control method; Be to utilize the voltage control phase shifter to carry out the control method of the phase shifter of phase control; It is characterized in that the phase comparator that possess 2 phase shifters, the output of above-mentioned 2 phase shifters is compared and select 1 transducer in the above-mentioned phase shifter output
If the phase control scope of a phase shifter is narrower than 360 °; Above-mentioned 2 phase shifters have the common control range of a part, the i.e. scope of the same phase place of may command in higher zone of control voltage and lower zone; When the control voltage of above-mentioned phase shifter reaches the common control range of an above-mentioned part; Above-mentioned phase comparator is controlled so that do not become homophase by the phase place of certain phase shifter of above-mentioned transducer selection and the phase shifter of being selected by above-mentioned transducer; Then at the predetermined transfer point of the common control range of an above-mentioned part, convert the output of above-mentioned certain phase shifter into from the output of the phase shifter selected by above-mentioned transducer.
7. phase control method as claimed in claim 6 is characterized in that, above-mentioned phase control method control voltage control phase shifter, and this voltage control phase shifter is to control with the phase place that is combined to 1 receiving inputted signal of diversity receiver at least.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP105362/2005 | 2005-03-31 | ||
| JP2005105362A JP4372713B2 (en) | 2005-03-31 | 2005-03-31 | Phase control method and composite receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1841964A CN1841964A (en) | 2006-10-04 |
| CN1841964B true CN1841964B (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100550524A Expired - Fee Related CN1841964B (en) | 2005-03-31 | 2006-02-28 | Phase control method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4372713B2 (en) |
| KR (1) | KR100745941B1 (en) |
| CN (1) | CN1841964B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5061885B2 (en) * | 2007-12-21 | 2012-10-31 | 株式会社Ｊｖｃケンウッド | Diversity receiving apparatus and diversity control method |
| CN106603069A (en) * | 2016-12-15 | 2017-04-26 | 中国电子科技集团公司第二十研究所 | Very-low-frequency passive phase synthesis network |
| CN112039494B (en) * | 2020-08-13 | 2023-10-20 | 北京电子工程总体研究所 | Low-pass filtering method, device, equipment and medium for overcoming azimuth zero crossing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1310523A (en) * | 2000-02-17 | 2001-08-29 | 日本电气株式会社 | Diversity receiver |
| CN1330457A (en) * | 2000-06-30 | 2002-01-09 | 松下电器产业株式会社 | Radio communication device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0685721A (en) * | 1992-09-03 | 1994-03-25 | Hitachi Ltd | Diversity receiver |
| JPH11150496A (en) * | 1997-11-18 | 1999-06-02 | Sony Corp | Antenna system and portable radio equipment |
| KR100715845B1 (en) * | 2001-02-17 | 2007-05-10 | 삼성전자주식회사 | Phase blender and a multi-phase generator using the same |
-
2005
- 2005-03-31 JP JP2005105362A patent/JP4372713B2/en active Active
-
2006
- 2006-02-28 KR KR1020060019096A patent/KR100745941B1/en not_active IP Right Cessation
- 2006-02-28 CN CN2006100550524A patent/CN1841964B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1310523A (en) * | 2000-02-17 | 2001-08-29 | 日本电气株式会社 | Diversity receiver |
| CN1330457A (en) * | 2000-06-30 | 2002-01-09 | 松下电器产业株式会社 | Radio communication device |
Non-Patent Citations (3)
| Title |
|---|
| CN 1330457 A,全文. |
| JP特开2001-230709A 2001.08.24 |
| JP特开平11-150496A 1999.06.02 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006287652A (en) | 2006-10-19 |
| JP4372713B2 (en) | 2009-11-25 |
| KR100745941B1 (en) | 2007-08-02 |
| CN1841964A (en) | 2006-10-04 |
| KR20060106657A (en) | 2006-10-12 |
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