EP3914917A1 - Procédé et dispositif de détection de phase d'un signal via un coupleur hybride, utilisant une phase de référence - Google Patents
Procédé et dispositif de détection de phase d'un signal via un coupleur hybride, utilisant une phase de référenceInfo
- Publication number
- EP3914917A1 EP3914917A1 EP19740043.5A EP19740043A EP3914917A1 EP 3914917 A1 EP3914917 A1 EP 3914917A1 EP 19740043 A EP19740043 A EP 19740043A EP 3914917 A1 EP3914917 A1 EP 3914917A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- phase
- analog signal
- signal
- hybrid coupler
- output
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 title description 9
- 230000010363 phase shift Effects 0.000 claims abstract description 38
- 238000005259 measurement Methods 0.000 claims abstract description 3
- 238000012545 processing Methods 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 7
- 101000952234 Homo sapiens Sphingolipid delta(4)-desaturase DES1 Proteins 0.000 claims description 6
- 102100037416 Sphingolipid delta(4)-desaturase DES1 Human genes 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 2
- 101000737578 Arabidopsis thaliana Bifunctional cystathionine gamma-lyase/cysteine synthase Proteins 0.000 claims 2
- 101000760663 Hololena curta Mu-agatoxin-Hc1a Proteins 0.000 description 16
- 101710148586 ADP,ATP carrier protein 1 Proteins 0.000 description 7
- 101710111394 ADP,ATP carrier protein 1, mitochondrial Proteins 0.000 description 7
- 102100032533 ADP/ATP translocase 1 Human genes 0.000 description 7
- 101710102716 ADP/ATP translocase 1 Proteins 0.000 description 7
- 101000878595 Arabidopsis thaliana Squalene synthase 1 Proteins 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 102100026396 ADP/ATP translocase 2 Human genes 0.000 description 3
- 102100026397 ADP/ATP translocase 3 Human genes 0.000 description 3
- 102100026400 ADP/ATP translocase 4 Human genes 0.000 description 3
- 101000718417 Homo sapiens ADP/ATP translocase 2 Proteins 0.000 description 3
- 101000718437 Homo sapiens ADP/ATP translocase 3 Proteins 0.000 description 3
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- 230000006978 adaptation Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
- G01R25/02—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents in circuits having distributed constants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
- G01R25/04—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents involving adjustment of a phase shifter to produce a predetermined phase difference, e.g. zero difference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
Definitions
- Embodiments of the invention relate to electronic devices, more particularly electronic phase detection devices.
- an electronic phase detection device or in other words a phase detector, aims to generate an output signal proportional to the phase difference between two input signals.
- a conventional electronic phase detection device generally comprises either analog components such as analog multipliers, or digital circuits such as logic gates or flip-flops.
- Radio Frequency Radio Frequency
- millimeter band millimeter band
- a method for detecting the phase of an analog signal via a hybrid coupler operating in a power combiner mode is provided.
- the hybrid coupler comprises a first input receiving the analog signal, a second input receiving a reference signal having a reference phase and a frequency identical to that of the analog signal, and two outputs.
- the hybrid coupler generates respectively on these two outputs a first output signal and a second output signal.
- the process includes
- Such a method based on the use of a hybrid coupler advantageously allows intrinsic adaptation for very high frequency electromagnetic applications.
- the hybrid coupler when the hybrid coupler operating according to the power combiner mode, receives respectively at its inputs the analog signal and the reference signal having the same frequency, the first and second signal signals are obtained at its outputs. output depending on the amplitudes of the analog signal and the reference signal, and on the phase shift between the analog signal and the reference signal.
- the peak value of the first or of the second output signal depends on the peak values of the analog signal and of the reference signal, and on said phase shift between the analog signal and the reference signal.
- the hybrid coupler comprises a coupling factor whose value is chosen between 0.8 and 1.0, said calculated phase shift is between -75 ° and 75 °.
- this embodiment takes into account the imperfection of the hybrid coupler and makes it possible to obtain a reliable calculated phase shift.
- Such a range of the calculated phase shift advantageously makes it possible to have a satisfactory consistency with a really measured phase shift.
- the hybrid coupler can be a 90 ° hybrid coupler.
- the hybrid coupler may for example be a conventional quadrature hybrid coupler generally comprising a first input terminal
- a second input terminal called isolated, coupled to an impedance, for example 50 ohms, when the coupler is operating in power divider mode, or said coupled when the coupler is operating in power combiner mode, or called direct when the coupler operates in phase shifter mode,
- a second output terminal called coupled when the coupler operates in power divider mode and in phase shifter mode, or called isolated, connected to an impedance, for example 50 ohms, when the coupler operates in power combiner mode.
- a method for adjusting the phase of an analog signal via a hybrid coupler operating in a power combiner mode includes
- such a method makes it possible to adjust the phase of the analog signal according to a reference phase once the phase of the analog signal has been determined, which is very useful in particular during a calibration phase.
- an electronic device for detecting the phase of an analog signal.
- This device comprises a hybrid coupler configured to operate in a power combiner mode.
- the hybrid coupler includes
- a first input intended to receive the analog signal
- a second input intended to receive a reference signal having a reference phase and a frequency identical to that of the analog signal, and two outputs.
- the hybrid coupler is configured to generate respectively at these two outputs a first output signal and a second output signal.
- the device further comprises
- measuring means configured to measure peak values of the analog signal, the reference signal, and at least one of the first and second output signals, and
- processing means configured to determine the phase shift between the analog signal and the reference signal from said measured peak values, and the phase of the analog signal from said calculated phase shift and the reference phase.
- the hybrid coupler comprises a coupling factor whose value is chosen between 0.8 and 1.0 and said calculated phase shift is between -75 ° and 75 °.
- the hybrid coupler is a 90 ° hybrid coupler.
- a device for adjusting the phase of an analog signal via a hybrid coupler configured to operate in a power combiner mode.
- This adjustment device includes
- adjustment means coupled to the hybrid coupler, and configured to deliver the analog signal to the first input and to the processing means a reference signal having a reference phase.
- the processing means of the detection device are further configured to
- the adjustment means comprise an emission module configured to deliver the analog signal and adjust, under control of the processing means, the phase of the analog signal determined as a function of the setpoint phase.
- the adjustment means comprise a transmission module configured to deliver the reference signal and the analog signal, and a phase shifter coupled between the transmission module and the first input and configured to adjust, under control processing means, the phase of the analog signal determined as a function of the reference phase.
- This structure includes
- an output device comprising a complementary hybrid coupler configured to operate in a power combiner mode
- a coupling stage coupled between the electronic adjustment device and the electronic output device.
- This structure can for example form a so-called balanced power amplifier, commonly known to those skilled in the art.
- Reference 1 in FIG. 1 designates a communication device, here for example a communication device of the Wi-Fi router type in accordance with the standards of the IEEE 802 group.
- this communication device has the following communication device
- Beamforming in English
- This appliance 1 has
- an emission module 2 here for example a transceiver
- N is an integer equal to or greater than two, here N is for example equal to 4
- N antennas ANT 1, ANT2, ANT3, ANT4 respectively coupled to transceiver 2 via four transmission paths CT I, CT2, CT3, CT4.
- Each analog signal SA1, SA2, SA3, SA4 is generated from a reference signal SREF having a reference frequency FREF and each analog signal SA1, SA2, SA3, SA4 is intended to have a predetermined phase shift with respect to the reference signal SREF.
- the frequencies of the analog signals and the reference signal are identical.
- transceiver 2 is configured to control the phase and amplitude of each analog signal SA1, SA2, SA3, SA4 dedicated to the corresponding transmission path CT I, CT2, CT3, CT4.
- each antenna ANT 1, ANT2, ANT3, ANT4 is configured to emit an output signal SS 1, SS2, SS3, SS4 having a predetermined phase shift corresponding.
- a pattern of constructive and destructive interference can be formed in the wavefront.
- the information from the various antennas ANT 1, ANT2, ANT3, ANT4 is combined in such a way that the expected signal is highlighted.
- FIG. 2 illustrate in more detail an exemplary embodiment of one of the transmission paths CT I, CT2, CT3, CT4, here for example the first transmission path CT I, of the communication device. 1.
- the first transmission path CT I is coupled between the transceiver 2 and the first antenna ANT 1 and comprises
- the set of electronic DEE 1 input and DES 1 output devices and the EC 1 coupling stage form a balanced power amplifier ("Balanced Power Amplifier").
- the DEE 1 electronic input device comprises a first hybrid coupler CH 1, here for example a 90 ° quadrature hybrid coupler, comprising
- a first input terminal BE I coupled to the transceiver 2 and intended to receive the first analog signal SA 1
- a second input terminal BE2 coupled, called isolated, coupled to an impedance, for example of 50 ohms, when the coupler operates in power divider mode, or referred to as coupled when the coupler operates in power combiner mode
- the electronic output device DES 1 comprises a second hybrid coupler CH2, here also a 90 ° quadrature hybrid coupler, operating in power combiner mode and comprising
- a third output terminal BS3 coupled, called isolated, coupled to an impedance, for example of 50 ohms, and
- a fourth output terminal BS4 coupled to the first antenna ANT 1 and configured to deliver to the first antenna ANT 1 the first output signal SS 1.
- the EC coupling stage 1 comprises
- a first MC I coupling module coupled in parallel between the first output terminal BS 1 and the third input terminal BE3, and a second coupling module MC2 coupled in parallel between the second output terminal BS2 and the fourth input terminal BE4.
- the first MC I coupling module here comprises, for example, a first control stage ("driver stage") and a first power controller coupled in series between the first output terminal BS 1 and the third input terminal BE3.
- the second MC2 coupling module comprises a second driving stage and a second power control coupled in series between the second output terminal BS2 and the fourth input terminal BE4.
- the first hybrid coupler CH 1 when the first transmission path CT I is in operation, the first hybrid coupler CH 1 operates in power divider mode and the second hybrid coupler CH2 operates in power combiner mode.
- the first transmission path CT I is further configured to detect and adjust the phase of the first analog signal SA 1.
- FIG. 3 illustrate an example of a method for detecting and adjusting the phase of the first analog signal SA 1.
- the first transmission path CT I operates according to a detection or adjustment mode and the first hybrid coupler CH 1 operates in power combiner mode.
- the second input terminal BE2 is, in this detection or adjustment mode, intended to receive a reference signal SREF having the same frequency as that of the first analog signal SA1 and a known reference phase.
- the second input terminal BE2 is for example intended to receive here said reference signal SREF.
- the first transmission path CT I comprises first measuring means MM 1 comprising a first DC peak detector 1 coupled to the first input terminal BE I and configured to measure the peak value Al of the first analog signal SA 1,
- a second peak detector DC2 coupled to the second input terminal BE2 and configured to measure the peak value A2 of the reference signal SREF
- a third peak detector DC3 coupled to the first output terminal BS 1 and configured to measure the peak value A3 of a first output signal SS 1 delivered by the first hybrid coupler CH 1 to the first output terminal BS 1, and
- a fourth peak detector DC4 coupled to the second output terminal BS2 and configured to measure the peak value A4 of a second output signal SS2 delivered by the second hybrid coupler CH2 to the second output terminal BS2.
- each peak detector DC 1, DC2, DC3, DC4 may for example comprise an amplifier in follower assembly, a diode and a capacitor (not shown).
- the first measuring means MM 1 are configured to measure said peak values A1, A2, A3, A4.
- the first transmission path CT I further comprises first processing means MT 1 intended to receive said peak values A1, A2, A3, A4 and configured to calculate the phase of the first analog signal SA1 (STP2 in FIG. 3).
- the first analog signal SA1 can be described by an equation in the time domain:
- F 1 is the phase of the first analog signal SA 1.
- SREF (t) A2 * cos (co * t + ®2)
- first and second output signals SS 1, SS2 can be written as follows:
- phase shift between the first analog signal SA 1 and the reference signal SREF is calculated from the peak values A1, A2, A3, A4 of the first analog signal SA1, the reference signal SREF and the first or second signal output SS 1, SS2.
- the phase F 1 of the first analog signal SA1 can thus be calculated by the first processing means MT 1.
- a hybrid coupler having a coupling factor whose value is chosen between 0.8 and 1.0.
- the value of a phase shift calculated between -75 ° and 75 ° corresponds well to the value of the phase shift directly measured.
- the transceiver 2 is further coupled to the first processing means MT 1 and configured to deliver to the first processing means MT 1 a first setpoint signal SC I having the first setpoint phase PC I.
- the first processing means MT 1 are also configured to compare the first phase of the PC I setpoint and the phase F 1 of the first determined analog signal SA1 (STP3 in FIG. 3).
- the transceiver 2 is configured to adjust phase F 1 of the first analog signal SA1 under the control of the first processing means MT 1 so as to align phase F 1 and the first phase of the PC I reference (STP4 in FIG. 3) to within a tolerance.
- a device for detecting and adjusting the phase of an analog signal SA1 via a hybrid coupler CH 1, which offers a low-complexity and non-invasive solution for electromagnetic applications including in particular already one or more couplers. hybrids.
- the transceiver 2 forms MR adjustment means configured to adjust the phase F 1 of the first analog signal SA1 under the control of the first processing means MT 1.
- phase F 1 and the first phase setpoint PC I can be performed outside of transceiver 2.
- FIG. 4 illustrate another exemplary embodiment of the first transmission path CT I of the communication device 1 and to FIG. 5 to illustrate another example of a corresponding implementation for detecting and adjusting the phase.
- the first transmission path CT I in FIG. 4 is similar to that illustrated in FIG. 2 and more particularly comprises a DEPH phase shifter (“Phase Shifter”) coupled between the transceiver 2 and the first input terminal BE I and configured to adjust, under the control of the first processing means MT 1, the phase F 1 of the first analog signal SA 1 delivered by the transceiver 2.
- Phase Shifter Phase Shifter
- said MR adjustment means comprise the DEPH phase shifter and the transceiver 2.
- the method for detecting phase F 1 of the first analog signal SA1 performed by the first transmission path CT I in FIG. 4 is identical to that illustrated in FIG. 3 and comprises a first step STP 1 in which the first measuring means MM 1 are configured to measure the peak values A1, A2, A3, A4 of the first analog signal S Al, of the reference signal SREF, of the first and / or second output signals SS 1, SS2, and
- a second step STP2 in which the first processing means MT 1 are configured to calculate the phase shift (F 1 -F2) between the phase F 1 and the reference phase F2 using one of the following two equations:
- phase F 1 as a function of said calculated phase shift F 1 - F2 and of the reference phase F2.
- the method for adjusting the phase F 1 of the first analog signal SA1 performed by the first transmission path CT I in FIG. 4 further comprises
- a third step STP3 in which the first processing means MT 1 are configured to receive the first setpoint signal SC I having the first setpoint phase PC I and compare the first setpoint phase PC I with the determined phase F 1, and
- a fourth step STP4DEPH in which if the first setpoint phase PC I and the determined phase F 1 are different, the phase shifter DEPH is configured to adjust, under the control of the first processing means MT 1, the phase F 1 of the determined first analog signal SA1 as a function of the first setpoint phase PC I until an equality of the first setpoint phase PC I and of phase F 1 of the first analog signal SA1 determined within a tolerance is obtained.
- FIG. 6 illustrates an embodiment of the DEPH phase shifter.
- This DEPH phase shifter includes
- an input switch CIN coupled to transceiver 2 and configured to switch between the first phase shift channel VD 1 and the second phase shift channel VD2,
- an output switch COUT coupled to the first input terminal BE I and configured to switch between the first and second phase shift channels VD 1, VD2.
- the first phase shift channel VD 1 comprises
- a first adjustable capacitor C l coupled between the first input node NE 1 and the ground GND
- a second adjustable capacitor C2 coupled between the first output node NS I and the ground GND.
- phase shifter DEPH When the phase shifter DEPH is configured to delay, under the control of the first processing means MT 1, the phase F 1 of the first determined signal SA1, the input switch CIN and the output switch COUT are configured to select the first control channel.
- the second phase shift channel VD2 comprises
- a third adjustable capacitor C3 coupled between the second input node NE2 and an intermediate node NI
- a fourth adjustable capacitor C4 coupled between the second output node NS2 and the intermediate node NI
- phase shifter DEPH When the phase shifter DEPH is configured to advance, under the control of the first processing means MT 1, the phase F 1 of the first determined signal SA1, the input switch CIN and the output switch COUT are configured to select the second control channel.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FR2019/050137 WO2020152400A1 (fr) | 2019-01-22 | 2019-01-22 | Procédé et dispositif de détection de phase d'un signal via un coupleur hybride, utilisant une phase de référence |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3914917A1 true EP3914917A1 (fr) | 2021-12-01 |
Family
ID=67297196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19740043.5A Pending EP3914917A1 (fr) | 2019-01-22 | 2019-01-22 | Procédé et dispositif de détection de phase d'un signal via un coupleur hybride, utilisant une phase de référence |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220099718A1 (fr) |
EP (1) | EP3914917A1 (fr) |
CN (1) | CN113348371A (fr) |
WO (1) | WO2020152400A1 (fr) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69229734T2 (de) * | 1992-10-30 | 2000-03-02 | Stmicroelectronics S.R.L., Agrate Brianza | Integrierte Kopplungsschaltung für Wechselstrom mit Phasenausgleich |
WO2005069905A2 (fr) * | 2004-01-16 | 2005-08-04 | Ghz Tr Corporation | Procedes et appareil pour capteurs radars de vehicule |
US8761694B2 (en) * | 2010-01-18 | 2014-06-24 | Broadcom Corporation | Multiple antenna transceiver |
US9148156B2 (en) * | 2010-01-21 | 2015-09-29 | Lattice Semiconductor Corporation | Phase detection circuits and methods |
GB2482912A (en) * | 2010-08-20 | 2012-02-22 | Socowave Technologies Ltd | Polarisation control device, integrated circuit and method for compensating phase mismatch |
KR101449610B1 (ko) * | 2013-12-09 | 2014-10-13 | 한국원자력연구원 | 고주파 전자가속기의 고출력, 안정적 운전을 위한 rf 자동 주파수 제어 모듈 및 그 제어 방법 |
US10530053B2 (en) * | 2016-01-13 | 2020-01-07 | Infineon Technologies Ag | System and method for measuring a plurality of RF signal paths |
US10211801B2 (en) * | 2016-07-15 | 2019-02-19 | Psemi Corporation | Hybrid coupler with phase and attenuation control |
JP6664304B2 (ja) * | 2016-10-03 | 2020-03-13 | 三菱電機株式会社 | 変位計測装置および変位計測方法 |
WO2018109871A1 (fr) * | 2016-12-14 | 2018-06-21 | 三菱電機株式会社 | Circuit de détection de phase et d'amplitude, module de transmission et antenne réseau |
US11394101B2 (en) * | 2017-11-21 | 2022-07-19 | Stmicroelectronics Sa | Method and device for calibrating a hybrid coupler |
WO2020152401A1 (fr) * | 2019-01-22 | 2020-07-30 | Stmicroelectronics Sa | Procédé et dispositif de détection de phase d'un signal via un coupleur hybride, utilisant un signal de test |
-
2019
- 2019-01-22 CN CN201980089856.1A patent/CN113348371A/zh active Pending
- 2019-01-22 US US17/421,801 patent/US20220099718A1/en active Pending
- 2019-01-22 EP EP19740043.5A patent/EP3914917A1/fr active Pending
- 2019-01-22 WO PCT/FR2019/050137 patent/WO2020152400A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
WO2020152400A1 (fr) | 2020-07-30 |
US20220099718A1 (en) | 2022-03-31 |
CN113348371A (zh) | 2021-09-03 |
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