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WO2016183797A1 - Puce de groupement à commande de phase, procédé et appareil de balayage par faisceau par groupement à commande de phase - Google Patents

Puce de groupement à commande de phase, procédé et appareil de balayage par faisceau par groupement à commande de phase Download PDF

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Publication number
WO2016183797A1
WO2016183797A1 PCT/CN2015/079268 CN2015079268W WO2016183797A1 WO 2016183797 A1 WO2016183797 A1 WO 2016183797A1 CN 2015079268 W CN2015079268 W CN 2015079268W WO 2016183797 A1 WO2016183797 A1 WO 2016183797A1
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WIPO (PCT)
Prior art keywords
switch
phase shifting
phased array
array chip
signal
Prior art date
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Ceased
Application number
PCT/CN2015/079268
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English (en)
Chinese (zh)
Inventor
曹杰
黄煌
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to PCT/CN2015/079268 priority Critical patent/WO2016183797A1/fr
Priority to CN201580080390.0A priority patent/CN107615585A/zh
Publication of WO2016183797A1 publication Critical patent/WO2016183797A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a phased array chip, a phased array beam scanning method and apparatus.
  • wireless point-to-point communication has moved to microwave and millimeter-wave bands with rich spectrum resources, such as V-band, E-band, etc. These bands can provide service capacity greater than 10 Gbps.
  • microwave and millimeter wave point-to-point communication systems in addition to being a backhaul communication solution, will have great potential in high-speed transmission of wireless enterprises and wireless transmission of private networks.
  • Millimeter wave path loss is very large, requiring more power and higher gain antennas to meet data backhaul applications.
  • microwave and millimeter wave frequency band it is difficult to achieve high power output due to process and cost constraints, but its wavelength is short, so it is easier to achieve high gain narrow beam under the antenna aperture.
  • Due to the large space loss and the narrow beam constraint the millimeter wave usually works in point-to-point wireless communication under the direct view path scene, and the antenna is strictly aligned, which is difficult to install. In practical applications, even when the communication system is installed, there are many unpredictable factors such as strong winds, earthquakes, changing the state of initial assembly alignment, and if the manual alignment correction is required again, it is greatly improved. System deployment and operation and maintenance costs.
  • the millimeter-wave phased array technology has automatic beam scanning alignment capability for automatic beam alignment.
  • the main principle is that multiple antennas simultaneously transmit signals of the same wavelength, perform coherent superposition to form a narrow beam with higher gain, and adjust the phase of the signal transmitted by the antenna through a phase shifter in the corresponding channel of the antenna to implement beam scanning.
  • the phase of the signal transmitted by the antenna is adjusted by the phase shifter in the channel corresponding to the antenna, thereby changing the final combined direction of the beam to find the optimal communication path.
  • phase switching time of the phase shifter is usually in the order of several tens of nanoseconds, which results in a longer beam scanning alignment.
  • phase shifters in the phased array are many, and the phase shifting of the phase shifters usually takes several tens of nanoseconds, the beam scanning is aligned. The time is long.
  • Embodiments of the present invention provide a phased array chip, a phased array beam scanning method and apparatus for shortening the time required for beam scanning alignment.
  • a phased array chip comprising a plurality of phase shifting channels, a plurality of switches, and a control unit;
  • Each phase shifting channel is respectively connected with an antenna, and each switch is connected to at least one phase shifting channel;
  • a switch connected to each phase shifting channel for enabling the phase shifting channel to transmit a signal when turned on, and preventing the phase shifting channel from transmitting a signal when turned off;
  • the control unit is configured to change a switch state of each switch such that a spatial beamforming direction of a signal on the antenna connected to the phased array chip is changed.
  • the phased array chip is a transmitting chip, and the transmitting chip further includes a first frequency conversion module and a power dividing network, where the first frequency conversion module is used
  • the received analog baseband signal and the local oscillator signal are mixed and amplified and output to the power dividing network, and the power dividing network is configured to divide the signal output by the first frequency conversion module into multiple signals;
  • a switch connected to each phase shifting channel, configured to enable a signal after the splitting of the power split network to be sent to the antenna connected to the phase shifting channel through the phase shifting channel when turned on, and to cause the shifting when the power is turned off The signal after the split of the power split network that the phase channel connected antenna cannot receive;
  • the control unit is configured to change a switch state of each switch to change a spatial beamforming direction of a signal transmitted by the antenna.
  • the phased array chip is a receiving chip, and the receiving chip further includes a second frequency conversion module and a combined network, where the combining network is used for The signals received by the phase shifting channel are combined and output to the second frequency conversion module, and the second frequency conversion module is configured to mix the signal output by the combined network and mix with the local oscillator signal to generate a simulation.
  • Baseband signal
  • a switch connected to each phase shifting channel, configured to enable a signal received by the antenna connected to the phase shifting channel to be sent to the combined network through the phase shifting channel when turned on, and to make the phase shifting channel when turned off The signal received by the connected antenna cannot be sent to the combined network;
  • the control unit is configured to change a switch state of each switch to change a spatial beamforming direction of a signal received by the combined network.
  • the number of phase shifting channels is equal to the number of switches, and each switch is connected to a different phase shifting channel.
  • each switch when the number of phase shifting channels is greater than the number of switches, each switch is connected to a shift in the phase shifting channel of the switch. Between the phaser and the power distribution network.
  • each switch when the number of phase shifting channels is greater than the number of switches, each switch is connected to a shift in the phase shifting channel of the switch connection. Between the phaser and the combined network.
  • a switch in the array chip when the number of phase shifting channels is equal to the number of switches, and each switch is connected to a different phase shifting channel, a switch in the array chip, the switch being connected between the phase shifter in the phase shifting channel connected to the switch and the power dividing network, or a phase shifter connected in the phase shifting channel connected to the switch and the switch Between the power amplifiers in the phase shifting channel, or between the power amplifier connected to the phase shifting channel to which the switch is connected, and the antenna to which the phase shifting channel to which the switch is connected is connected.
  • a switch in the array chip when the number of phase shifting channels is equal to the number of switches, and each switch is connected to a different phase shifting channel, a switch in the array chip, the switch being connected to the shift in the phase shifting channel of the switch connection Between the phaser and the combining network, or between the phase shifter connected to the phase shifting channel connected to the switch and the power amplifier in the phase shifting channel connected to the switch, or connected to the phase shifting channel connected to the switch The power amplifier is connected between the antenna to which the phase shifting channel to which the switch is connected.
  • phased array beam scanning method including:
  • Each phase shifting channel of the phased array chip is respectively connected to an antenna, and each switch of the phased array chip is connected to at least one phase shifting channel of the phased array chip.
  • the method further includes:
  • a phased array beam scanning apparatus including:
  • a first determining module configured to determine that a channel quality parameter is less than a preset value
  • a first switch control module configured to adjust a strength of a signal received by the receiving end by changing a switch state of each switch in the phased array chip
  • a second determining module configured to determine a top N of the signals with the highest intensity among the signals received by the receiving end
  • a third determining module configured to determine, according to one of the determined N signals, a spatial beamforming direction of the signal on the antenna when the receiving end receives the signal;
  • each phase shifting channel in the phased array chip is respectively connected to an antenna, and the phased array is
  • Each switch in the chip is coupled to at least one phase shifting channel of the phased array chip.
  • the apparatus further includes:
  • a selecting module configured to select one beam combining direction from the determined N spatial beam combining directions
  • a second switch control module configured to turn on each switch in the phased array chip
  • an adjustment module configured to adjust a phase shifter in the phased array chip, such that a spatial beamforming direction of a signal on the antenna connected to the phased array chip is along the selected beam combining direction.
  • the phased array chip and the phased array beam scanning method and device provided by the embodiments of the present invention change the spatial beamforming direction of the signal on the antenna connected to the phased array chip by changing the switching state of each switch.
  • the switching time of the switch is smaller than the phase shifter switching time, this reduces the need for beam scanning alignment compared to the existing phased array technology for beam scanning alignment. time.
  • FIG. 1 is a schematic structural view of a transmitting chip in the prior art
  • FIG. 2 is a schematic structural diagram of a receiving chip in the prior art
  • FIG. 3 is a schematic structural diagram of a transmitting chip according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of a receiving chip according to an embodiment of the present invention.
  • FIG. 5 is a second schematic structural diagram of a transmitting chip according to an embodiment of the present disclosure.
  • FIG. 6 is a second schematic structural diagram of a receiving chip according to an embodiment of the present disclosure.
  • FIG. 7 is a third schematic structural diagram of a transmitting chip according to an embodiment of the present disclosure.
  • FIG. 8 is a third schematic structural diagram of a receiving chip according to an embodiment of the present disclosure.
  • FIG. 9 is a flowchart of a phased array beam scanning method according to an embodiment of the present invention.
  • FIG. 10 is a second flowchart of a phased array beam scanning method according to an embodiment of the present invention.
  • FIG. 11 is a structural diagram of a phased array beam scanning apparatus according to an embodiment of the present invention.
  • FIG. 12 is a second structural diagram of a phased array beam scanning device according to an embodiment of the present invention.
  • the phased array chip and the phased array beam scanning method and device provided by the embodiments of the present invention use the switching time of the switch to be smaller than the switching time of the phase shifter, and the phased array chip is changed by changing the switching state of each switch.
  • the spatial beamforming direction of the signals on the connected antennas changes, thereby enabling beam scanning alignment and reducing the time required for beam scanning alignment.
  • the existing phased array chip has various structures, wherein the phased array chip of the superheterodyne structure is as shown in FIG. 1 and FIG. 2, FIG. 1 is the transmitting chip 1, and FIG. 2 is the receiving chip 2.
  • the transmitting chip 1 includes a first frequency conversion module 10, a power distribution network 15 and n phase shifting channels, wherein the first frequency conversion module 10 includes a local oscillator signal (LO, Local Oscillator) 1 and a mixer 11 for mixing the analog baseband signals, a gain amplifying module 12, a mixer 13 for mixing the signals output by the LO2 and the gain amplifying module 12, and a power amplifier 14; each of the phase shifting channels includes a phase shifter (PS, Phase Shifter) 16 and a power amplifier 17, each of which is connected to an antenna 18.
  • LO Local Oscillator
  • each of the phase shifting channels includes a phase shifter (PS, Phase Shifter) 16 and a power amplifier 17, each of which is connected to an antenna 18.
  • PS Phase Shifter
  • the first frequency conversion module 10 processes the analog baseband signal, and the power distribution network 15 splits the signal processed by the first frequency conversion module 10, and outputs the separated signals to different phase shift channels, each The phase shifting channel adjusts the phase of the received signal, and the adjusted signal is transmitted by the antenna.
  • the receiving chip 2 includes a second frequency conversion module 20, a combining network 25, and n phase shifting channels.
  • the second frequency converting module 20 includes a power amplifier 24, and outputs LO2 and power amplifier 24.
  • An antenna 28 is connected to each of the phase shifting channels.
  • Each phase shifting channel adjusts the phase of the signal received on the antenna connected to itself, and transmits the phase adjusted signal to the combining network 25, and the combined network 25 combines the received signals.
  • the two inverter modules 20 process the combined signals to generate an analog baseband signal.
  • the main working principle of the phased array chip shown in Figure 1 or Figure 2 is to control the phase of the PS1, PS2, ... PSn by the control logic to change the beam spatial beamforming direction of the antenna, and realize beam scanning to find Establish communication to the best communication path.
  • the phased array chip provided by the embodiment of the invention includes a plurality of phase shifting channels, a plurality of switches and a control unit;
  • Each phase shifting channel is respectively connected with an antenna, and each switch is connected to at least one phase shifting channel;
  • a switch connected to each phase shifting channel for enabling the phase shifting channel to transmit a signal when turned on, and preventing the phase shifting channel from transmitting a signal when turned off;
  • the control unit is configured to change a switching state of each switch, so that a spatial beamforming direction of a signal on the antenna connected to the phased array chip is changed, thereby performing beam scanning.
  • the phased array chip provided by the embodiment of the present invention may be a transmitting chip or a receiving chip.
  • the control unit changes the switching state of each switch to enable different antennas to transmit signals, thereby changing the spatial beamforming direction of the signals transmitted on the antenna, and performing beam scanning alignment.
  • the control unit changes the switching state of each switch to synthesize signals received by different antennas, so that signals of different directions of the incoming wave can be received and beam scanning alignment can be performed.
  • the phased array chip provided by the embodiment of the present invention is a transmitting chip
  • the phased array chip provided by the embodiment of the present invention is as shown in FIG. 3, and the transmitting chip further includes a first frequency conversion module 31 and a power dividing network 32.
  • the first frequency conversion module 31 is configured to mix and amplify the received analog baseband signal and the local oscillator signal, and then output the signal to the power distribution network 32.
  • the power distribution network 32 is configured to divide the signal output by the first frequency conversion module 31 into multiple Road signal
  • a switch connected to each phase shifting channel, configured to enable a signal after the splitting of the power dividing network 32 to be transmitted to the antenna 35 connected to the phase shifting channel through the phase shifting channel when turned on, and to cause the shifting when the power is turned off.
  • the phase-connected antenna 35 cannot receive the signal after the split of the power division network 32;
  • the control unit 36 is configured to change the switching state of each switch to change the spatial beamforming direction of the signal transmitted by the antenna 35.
  • the switch network 33 in Fig. 3 is composed of a plurality of switches.
  • the phased array chip provided by the embodiment of the present invention is a receiving chip
  • the phased array chip provided by the embodiment of the present invention is as shown in FIG. 4, and the receiving chip further includes a second frequency conversion module 41 and a combined network 42.
  • the road network 42 is configured to combine the signals received from the phase shifting channel 44 and output the signals to the second frequency conversion module 41.
  • the second frequency conversion module 41 is configured to amplify the signals output by the combining network 42 and the local oscillator. Signal mixing generates an analog baseband signal;
  • a switch connected to each phase shifting channel for transmitting a signal received by the antenna 45 connected to the phase shifting channel to the combining network 42 through the phase shifting channel 44 when turned on, and causing the signal to be turned off when the phase is turned off
  • the signal received by the antenna 45 connected to the phase shifting channel cannot be sent to the combining network 42;
  • the control unit 46 is configured to change the switching state of each switch to change the spatial beamforming direction of the signal received by the combining network 42.
  • the switch network 43 in Fig. 4 is composed of a plurality of switches.
  • the number of switches in the phased array chip provided by the embodiment of the present invention may be smaller than the number of phase shifting channels, or may be equal to the number of phase shifting channels.
  • each switch is connected to a different phase shifting channel.
  • phased array chip provided by the embodiment of the present invention is a transmitting chip
  • the phased array chip provided by the embodiment of the present invention is as shown in FIG. 5 .
  • Each switch is connected between a phase shifter 341 and a power division network 32 in a phase shifting channel to which the switch is connected.
  • a phase shifter 341 and a power amplifier 342 are included in each phase shifting channel in FIG.
  • FIG. 5 an example is described in which two phase shifting channels are connected by each switch. Of course, the number of phase shifting channels connected by different switches may be different.
  • phased array chip provided by the embodiment of the present invention is a receiving chip
  • the phased array chip provided by the embodiment of the present invention is as shown in FIG.
  • Each of the switches is connected between the phase shifter 441 and the combining network 42 in the phase shifting channel to which the switch is connected.
  • a phase shifter 441 and a low noise power amplifier 442 are included in each phase shifting channel in FIG.
  • phased array chip When the number of the switches in the phased array chip is equal to the number of phase shifting channels, and each switch is connected to a different phase shifting channel, if the phased array chip provided by the embodiment of the present invention is a transmitting chip, the embodiment of the present invention
  • the phased array chip provided is shown in Figure 7, for a switch in the phased array chip,
  • the switch can be connected between the phase shifter 341 and the power split network 32 in the phase shifting channel to which the switch is connected (the first access position), or can be connected to the phase shifter in the phase shifting channel to which the switch is connected.
  • Each switch can select any one of the first access location, the second access location, and the third access location, and different switches can select different access locations to access. In FIG. 7, only the access of each switch in the first access location is taken as an example for description.
  • phased array chip When the number of the switches in the phased array chip is equal to the number of phase shifting channels, and each switch is connected to a different phase shifting channel, if the phased array chip provided by the embodiment of the present invention is a receiving chip, the embodiment of the present invention The phased array chip is provided as shown in FIG. 8.
  • the switch is connected between the phase shifter 441 and the combining network 42 in the phase shifting channel of the switch connection (fourth) An access location), or connected between the phase shifter 441 in the phase shifting channel to which the switch is connected, and the power amplifier 442 in the phase shifting channel connected to the switch (fifth access position), or connected to the switch
  • the power amplifier 442 in the connected phase shifting channel is connected to the antenna 45 to which the phase shifting channel to which the switch is connected (sixth access position).
  • Each switch can select any one of the fourth access location, the fifth access location, and the sixth access location described above, and different switches can select different access locations to access. In FIG. 8, only the respective switches are connected at the fourth access location as an example for description.
  • Each of the switches in the transmitting chip shown in FIG. 5 controls two phase shifting channels, and each of the transmitting chips shown in FIG. 7 controls one phase shifting channel. Therefore, in the case where the number of phase shifting channels is the same, FIG. 5
  • the number of switches in the illustrated transmitting chip is half the number of switches in the transmitting chip shown in FIG. 7.
  • the flexibility of the transmitting chip shown in FIG. 5 is better than that of FIG. 7 when performing beam scanning alignment.
  • the illustrated transmitting chip has poor flexibility.
  • each switch in the receiving chip shown in FIG. 6 controls two phase shifting channels
  • each of the receiving chips shown in FIG. 8 controls one phase shifting channel, and therefore, in the case where the number of phase shifting channels is the same
  • the number of switches in the receiving chip shown in FIG. 6 is the opening in the receiving chip shown in FIG. Half of the number of off, of course, the flexibility of the receiving chip shown in Fig. 6 is inferior to that of the receiving chip shown in Fig. 8 when beam scanning alignment is performed.
  • the phased array beam scanning method provided by the embodiment of the present invention, as shown in FIG. 9, includes:
  • S902 Adjusting a strength of a signal received by the receiving end by changing a switching state of each switch in the phased array chip;
  • N is a positive integer
  • Each phase shifting channel of the phased array chip is respectively connected to an antenna, and each switch of the phased array chip is connected to at least one phase shifting channel of the phased array chip.
  • S902 is to change the spatial beamforming direction of the signal on the antenna connected to the phased array chip by changing the switching state of each switch in the phased array chip. When the beam is in different directions, the strength of the signal received by the receiving end is different.
  • the phased array beam scanning method shown in FIG. 9 may be performed by a transmitting chip or by a receiving chip, wherein the receiving end refers to a side that generates an analog baseband signal, that is, a side that includes the receiving chip.
  • the phased array chip in the method shown in FIG. 9 is a transmitting chip.
  • the phased array chip in the method shown in FIG. 9 is a receiving chip.
  • the transmitting chip When the phased array beam scanning method shown in FIG. 9 is performed by the transmitting chip, when the channel quality is deteriorated, different switch combinations in the transmitting chip are selected, and different switch combinations can obtain different antenna arrays, and different The array obtains different transmission angle information, and the receiving end can select some transmission angle directions to feed back to the transmitting chip according to the received signal size.
  • the spatial beam combining direction is along the selected transmission angle direction, the transmitting end including the transmitting chip can be combined with The receiving end communicates.
  • the receiving chip When the phased array beam scanning method shown in FIG. 9 is performed by the receiving chip, when the received signal quality is deteriorated, different switch combinations in the receiving chip are selected to obtain different antenna arrays. The size of the received signal is determined by different antenna arrays. When the spatial beamforming direction is along the selected receiving angle direction, the receiving end including the receiving chip can communicate with the signal transmitting end.
  • the phased array beam scanning method shown in FIG. 9 can be used to determine the N beam directions that can be communicated. Further, according to actual requirements, such as requiring minimum system power consumption or minimal interference to other systems, etc. choose a beam direction that meets your needs.
  • the phased array beam scanning method provided by the embodiment of the present invention after determining the N spatial beam combining directions in S904, as shown in FIG. 10, further includes:
  • S1003 Adjust a phase shifter in the phased array chip such that a spatial beamforming direction of a signal on the antenna connected to the phased array chip is along the selected beam combining direction.
  • each switch in the transmitting chip is turned on and adjusted.
  • Each phase shifter in the transmitting chip is such that the spatial beamforming direction of the signal transmitted on the antenna connected to the transmitting chip is along the direction of the selected transmission angle as desired.
  • phased array beam scanning method shown in FIG. 10 When the phased array beam scanning method shown in FIG. 10 is performed by the receiving chip, after determining the N receiving angle directions, an incident angle direction can be selected according to requirements, and then each switch in the receiving chip is turned on, and Each phase shifter in the receiving chip is adjusted such that the spatial beamforming direction of the signal received on the antenna connected to the chip is along the direction of the receiving angle selected according to requirements.
  • an embodiment of the present invention further provides a phased array beam scanning device. Since the principle of the device is similar to the phased array beam scanning method, the implementation of the device can be implemented by referring to the foregoing method. , the repetition will not be repeated.
  • a phased array beam scanning device includes:
  • the first determining module 111 is configured to determine that the channel quality parameter is less than a preset value
  • the first switch control module 112 is configured to adjust the strength of the signal received by the receiving end by changing the switching states of the switches in the phased array chip;
  • a second determining module 113 configured to determine a signal of the top N strengths of the signals received by the receiving end
  • the third determining module 114 is configured to determine, according to one of the determined N signals, a spatial beamforming direction of the signal on the antenna when the receiving end receives the signal;
  • Each phase shifting channel of the phased array chip is respectively connected to an antenna, and each switch of the phased array chip is connected to at least one phase shifting channel of the phased array chip.
  • the phased array beam scanning device provided by the embodiment of the present invention, as shown in FIG. 12, further includes:
  • the selecting module 121 is configured to select one beam combining direction from the determined N spatial beam combining directions;
  • a second switch control module 122 configured to turn on each switch in the phased array chip
  • the adjusting module 123 is configured to adjust a phase shifter in the phased array chip such that a spatial beamforming direction of a signal on the antenna connected to the phased array chip is along the selected beam combining direction.
  • phased array chip, the phased array beam scanning method and the device provided by the embodiments of the present invention can be used in a terminal communication system.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

Selon des modes de réalisation, la présente invention concerne une puce de groupement à commande de phase et un appareil et un procédé de balayage par faisceau par groupement à commande de phase, permettant de réduire le temps requis dans l'alignement de balayage par faisceau. La puce de groupement à commande de phase comprend de multiples canaux de déphasage, de multiples interrupteurs et une unité de commande. Chaque canal de déphasage est respectivement connecté à une antenne. Chaque interrupteur est connecté à au moins un canal de déphasage. Un interrupteur connecté à chaque canal de déphasage est utilisé pour permettre au canal de déphasage d'être capable de transmettre un signal quand l'interrupteur est à l'état passant, et de permettre au canal de déphasage d'être incapable de transmettre un signal quand l'interrupteur est à l'état bloqué. L'unité de commande est utilisée pour changer les états passant/bloqué des interrupteurs, de manière à changer la direction de combinaison spatiale de faisceau d'un signal sur une antenne connectée à la puce de groupement à commande de phase.
PCT/CN2015/079268 2015-05-19 2015-05-19 Puce de groupement à commande de phase, procédé et appareil de balayage par faisceau par groupement à commande de phase Ceased WO2016183797A1 (fr)

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PCT/CN2015/079268 WO2016183797A1 (fr) 2015-05-19 2015-05-19 Puce de groupement à commande de phase, procédé et appareil de balayage par faisceau par groupement à commande de phase
CN201580080390.0A CN107615585A (zh) 2015-05-19 2015-05-19 一种相控阵芯片、相控阵波束扫描方法和装置

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PCT/CN2015/079268 WO2016183797A1 (fr) 2015-05-19 2015-05-19 Puce de groupement à commande de phase, procédé et appareil de balayage par faisceau par groupement à commande de phase

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CN114460544A (zh) * 2022-01-25 2022-05-10 中国电子科技集团公司第三十八研究所 一种相控阵射频多波束形成网络及控制方法
CN115225126A (zh) * 2021-04-15 2022-10-21 华为技术有限公司 上行发送方法、abf模块、终端及存储介质
CN117650763A (zh) * 2024-01-30 2024-03-05 清华大学 一种移相器芯片及移相系统

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