44results about "Space fed arrays" patented technology

The embodiment of the invention provides a signal transmitting device, electronic equipment and a communication base station, relates to the technical field of wireless communication, and is used for reducing cost and power consumption. The signal transmitting device comprises a first functional device, a second functional device and a filling structure. The first functional device includes at least one feed source. The feed source is used for transmitting electromagnetic signals. The second functional device comprises a plurality of transmission units. The transmission unit is used for changing the physical state of the electromagnetic signal passing through the transmission unit. The physical state of the electromagnetic signal comprises one or more of the following items: amplitude, phase, polarization direction and frequency. Wherein the second functional device is at least partially opposite to the first functional device. The filling structure is located between the first function device and the second function device. Dielectric constants of at least two positions in the filling structure are different.

The invention discloses a 2-bit multi-polarization reconfigurable electric control metasurface antenna which comprises a linear polarization feed source horn and a reflection type metasurface. The reflective metasurface comprises a plurality of metasurface units arranged periodically, and each metasurface unit comprises a first metal layer, a first dielectric plate, a second metal layer, a prepreg layer, a third metal layer, a second dielectric plate and a fourth metal layer which are sequentially and coaxially stacked from top to bottom. And two pairs of p-i-n diodes are integrated on each metasurface unit and are used for regulating and controlling linearly polarized waves from the feed source. According to the metasurface antenna, the radiation capacity of dual linear polarization and dual circular polarization is achieved through the single linear polarization feed source and the single reflection type metasurface at the same time, the beam scanning capacity of + / -60 degrees is achieved, and the aperture efficiency is high. In addition, a direct-current control circuit for controlling a p-i-n diode switch is designed on the back surface of the reflective metasurface, so that the integration level of the metasurface system is greatly improved. The metasurface antenna has the advantages of being simple in structure, large in polarization number, low in structural complexity and high in integration degree.

The invention relates to a polarising cell (C) configured to receive radiation incident on a first side of the cell, and to produce, from the incident radiation, on a second side of the cell opposite the first side, re-emission radiation that exhibits circular polarisation. The cell comprises a switching element (15) configured to produce, in a controlled manner, a first active phase shift of the incident radiation. Such a cell can be used in a reconfigurable transmitting network, in particular as a component of a radio transmitting antenna or of a radio receiving antenna. A beam-forming and beam-scanning function can be achieved by controlling the active phase shift in each cell of the transmitting array.

Battery (10, 110, 210, 310), particularly for motor vehicles, comprising: a casing (12) forming an external battery enclosure; a plurality of battery cells (14) and a plurality of radio frequency (RF) transmitters (16) arranged inside the casing, each battery cell having its own associated RF transmitter; a battery management controller (19) and an associated RF receiver (18) arranged inside the casing; and a passive signal range extension system (20). The extension system comprises a substrate (22) housing at least one transmitting antenna (26a) arranged opposite the plurality of RF transmitters, and at least one receiving antenna (26b) arranged opposite the RF receiver. A transmission line (28) connects said antennas to at least two plate antennas. Abstract figure: Figure 1

A phased antenna array device comprises at least one input port for interfacing receive and transmit RF signals to / from an antenna array. A feeding line is provided to carry RF signals of two orthogonal polarizations from the input port P1, and at least one antenna feed element with an aperture or cross section having an order of symmetry C4 and supporting RF signals of two orthogonal polarizations is provided. At least one first substrate contains a plurality of antenna elements integrated into the substrate, with each antenna element capable of operating at two orthogonal polarizations. A plurality of phase shifters are connected to corresponding antenna elements, each phase shifter operating at two orthogonal polarizations, the output port of each phase shifter being connected to a short circuit.

The present application relates to the technical field of wireless communications. Disclosed are an antenna, an electronic device, and a communication base station. The antenna has a simple structure and relatively low costs. The antenna comprises a first function device and a second function device, which are sequentially spaced apart from each other in a first direction. The first function device comprises M feed sources configured to transmit first electromagnetic signals, wherein M is an integer greater than or equal to 2. The second function device comprises N transmission units configured to change the physical states of an electromagnetic signal passing through the transmission units, wherein the physical states of the electromagnetic signal comprise one or more of the following: an amplitude, a phase, and a polarization direction; N is an integer greater than or equal to 2; and the distance between the first function device and the second function device is smaller than or equal to a predetermined multiple of the distance between two transmission units in the second function device that are the farthest from each other.

The invention discloses an ultra-wideband planar dielectric integrated phased-array antenna unit, which comprises a feed part and a radiation part, the feed part is realized based on a quasi-coaxial structure and a horizontal mode conversion structure, the radiation part is realized based on a stacked stepped slotted structure, the quasi-coaxial structure is used for accessing an externally input signal, and the horizontal mode conversion structure is used for converting the horizontal mode conversion structure into the stacked stepped slotted structure. An externally input signal is transmitted to the horizontal mode conversion structure in a quasi-coaxial mode, and the horizontal mode conversion structure is used for smoothly converting the signal transmitted to the horizontal mode conversion structure by the quasi-coaxial structure from the quasi-coaxial mode to a quasi-parallel plate waveguide mode and then feeding the signal into the radiation part; the radiation part is used for transmitting a signal fed into the radiation part by the horizontal mode conversion structure to a free space; the antenna has the advantages of low profile and low cross polarization performance.

Reconfigurable antenna (1), comprising: - an emitting zone (ZE), comprising at least one radiating source (S) arranged to emit electromagnetic waves; - an electromagnetic lens (2), comprising: an array of phase-shifting cells, comprising switches (200) configured to introduce a phase shift to the electromagnetic waves, polarization lines (BL), arranged to polarize the switches (200); - an electromagnetic coupling zone (ZC), arranged between the emitting zone (ZE) and the electromagnetic lens (2) to generate electromagnetic coupling between the electromagnetic waves and the array of phase-shifting cells;the electromagnetic coupling zone (ZC) comprises a set of electrically conductive elements, arranged to form the outline of a resonant cavity (3) guiding the electromagnetic waves towards the electromagnetic lens (2), the set of electrically conductive elements comprising first tracks (P1) electrically connected to the polarization lines (BL).

Embodiments of the present application relate to the technical field of wireless communications, and provided thereby are signal transmitting apparatus, an electronic device, and a communication base station, which are used to reduce costs and power consumption. The signal transmitting apparatus comprises a first functional device, a second functional device, and a filling structure. The first functional device comprises at least one feed source. The feed source is used for transmitting an electromagnetic signal. The second functional device comprises a plurality of transmission units. Each transmission unit is used for changing a physical state of the electromagnetic signal traversing the transmission unit. The physical state of the electromagnetic signal comprises one or more of the following: amplitude, phase, polarization direction, and frequency. The second functional device is at least partially opposite to the first functional device. The filling structure is located between the first functional device and the second functional device. Dielectric constants of at least two positions in the filling structure are different.

The present disclosure relates to an antenna array and a vehicle including the antenna array. The antenna array has broadband high-gain characteristics and includes: a dielectric; a loop disposed on a first surface of the dielectric and having a first slot and a second slot; a first feed pin disposed on the second surface of the dielectric at a position corresponding to the first slot; a second feed pin disposed on the second surface of the dielectric at a position corresponding to the second slot; and a separator disposed between the first feed pin and the second feed pin and electrically connected to the loop.

The present description concerns an antenna (100) comprising an amplifier array (101) comprising a plurality of first elementary cells (103); and a transmitarray (105) comprising a plurality of second elementary cells (107), wherein the amplifier array (101) is configured to irradiate, or to be irradiated by, the transmitarray (105), the amplifier array (101) being separated from the transmitarray (105) by a distance equal, to within 20%, to a central transmission and / or reception wavelength of the antenna (100).

The present invention discloses a cylindrical conformal all-metal dual-polarized phased array, comprising a cylindrical surface and n×n all-metal single-polarized phased array units with identical structures, where n is an integer greater than or equal to 2. The n×n all-metal single-polarized phased array units are all arranged on the cylindrical surface and evenly arranged in n rows and n columns to form an array. The n×n all-metal single-polarized phased array units can overlap through translation and rotation. Among each two adjacent rows of all-metal single-polarized phased array units, one row is used to radiate or receive horizontally polarized signals, and the other row is used to radiate or receive vertically polarized signals. Each all-metal single-polarized phased array unit includes a feeding part and a radiating part. The radiating part is realized by a magnetoelectric dipole and a metal wall, and the metal wall is symmetrically loaded on both sides of the magnetoelectric dipole. The advantage is that it can take into account both wide scanning angle and low gain fluctuation performance.

The present invention relates to an antenna element, an array antenna, and a radar system. The antenna element includes a unit feeder and a plurality of radiation elements located in the same layer; each of the radiation elements is distributed on both sides of the unit feeder and is electromagnetically coupled to the unit feeder for transmitting or receiving radio frequency signals; wherein, the distance between each of the radiation elements and the unit feeder is greater than or equal to the critical dimension of the process for manufacturing the antenna element, and on the same side of the unit feeder, the distance between the centers of adjacent radiation elements is an even multiple of the half-wavelength; the half-wavelength is half of the wavelength of the radio frequency signal when it is transmitted in the unit feeder at the operating frequency. In this application, the unit feeder and a plurality of radiation elements are arranged in the same layer, the plurality of radiation elements are arranged on both sides of the unit feeder, and the feeding is performed by means of spatial electromagnetic coupling, so that a relatively large impedance bandwidth and gain bandwidth can be achieved in a simple structure.

A unit cell for use in a reflect array is provided. The unit cell receives or transmits RF signals in first and second non-overlapping frequency bands. The unit cell includes a first element configured to address both the first and second frequency bands, a second element configured to address the second frequency band and compensate for phase errors induced by the first element, and a frequency selective surface ("FSS") layer disposed between the first element and the second element that is configured to reflect the first frequency band and allow passthrough of the second frequency band. The first element, second element, and FSS layer are arranged in a stack with the first element at the top and the second element at the bottom. A reflect array including multiple unit cells and methods of constructing and operating the reflect array and unit cell are also provided.

The invention relates to a radar sensor (10) having at least one antenna element (20-22, 25-27) and a radar converging lens (30), the focal point (40) of which for radar radiation has a predetermined focal distance (FA) from the lens side (31) of the radar converging lens (30) facing the focal point (40). According to the invention, the at least one antenna element (20-22, 25-27) is arranged spatially between the focal point (40) and the lens side (31) of the radar converging lens (30) facing the focal point (40).

Active Polarizing Cell, Transmitting Array, and Radio Transmitting and Receiving Antennas. The invention relates to a polarizing cell (C) configured to receive incident radiation on one side of the cell and to produce, from the incident radiation, on a second side of the cell opposite the first side, re-emitted radiation having circular polarization. The cell includes a switching mechanism (15) configured to produce, in a controlled manner, a first active phase shift of the incident radiation. Such a cell can be used in a reconfigurable transmitting array, in particular for use in the construction of a radio transmitting or receiving antenna. A beamforming and scanning function can be achieved by controlling the active phase shift in each cell of the transmitting array. Figure for the abstract: Fig. 2

A reconfigurable antenna array includes a plurality of emitting antennas, a plurality of drive inputs corresponding to respective emitting antennas of the plurality of emitting antennas and configured to receive drive signals for the respective emitting antennas, a plurality of controllable components that are controllable to perform space-wave phase shifting on radiation emitted by the plurality of emitting antennas, and a plurality of control inputs corresponding to the plurality of controllable components, the plurality of control inputs arranged to receive control signals for the plurality of controllable components. Control circuitry has outputs coupled to the plurality of control inputs is configured to deliver the control signals to the plurality of controllable components to cause the plurality of controllable components to space-wave phase shift the radiation emitted by the plurality of emitting antennas, causing the reconfigurable antenna array to emit a beam having an intensity peak in a target direction.

A system for angular deception, comprises: a structure having a plurality of resonators characterized by a controllable phase shift between an electromagnetic wave incident on the structure and an electromagnetic wave scattered off the structure, and a controller configured for modulating the phase shift at a modulation frequency of at least 0.01 of a bandwidth of the incident electromagnetic wave.

Battery (10, 110, 210, 310), in particular for a motor vehicle, comprising: a housing (12) constituting an outer casing of the battery; a plurality of battery cells (14) and a plurality of radio frequency (RF) transmitters (16) arranged inside the housing, each of the battery cells having an associated RF transmitter of its own; a battery management controller (19) and an associated RF receiver (18) arranged inside the housing; and a passive signal range extension system (20). The extension system comprises a substrate (22) housing at least one transmitting antenna (26a) arranged opposite the plurality of RF transmitters, and at least one receiving antenna (26b) arranged opposite the RF receiver. A transmission line (28) connects said at least two patch antennas. Abstract Figure: Figure 1

To provide a reflect array capable of supporting a wider bandwidth, and a method for constructing the reflect array.SOLUTION: A reflect array includes multiple unit cells 100. A unit cell 100 includes: a first element 102 configured to address both a first frequency band and a second frequency band; a second element 104 configured to address the second frequency band and compensate for phase errors induced by the first element 102; and a frequency selective surface (FSS) layer 106 disposed between the first element 102 and the second element 104 and configured to reflect the first frequency band and allow passthrough of the second frequency band. The first element 102, the second element 104 and an FSS layer 106 are arranged in a stack with the first element 102 at the top and the second element 104 at the bottom.SELECTED DRAWING: Figure 1

The invention discloses a cylindrical surface conformal all-metal dual-polarization phased array, which comprises a cylindrical surface and n * n all-metal single-polarization phased array units with identical structures, and n is an integer greater than or equal to 2; the n * n all-metal single-polarization phased array units are all arranged on the cylindrical surface and are uniformly arranged in n rows and n columns to form an array, the n * n all-metal single-polarization phased array units can coincide through translation and rotation, one row of every two adjacent rows of all-metal single-polarization phased array units is used for radiating or receiving horizontal polarization signals, and the other row of all-metal single-polarization phased array units is used for radiating or receiving horizontal polarization signals. One row of all-metal single-polarization phased array units are used for receiving a vertical polarization signal, the other row of all-metal single-polarization phased array units are used for radiating or receiving a vertical polarization signal, each all-metal single-polarization phased array unit comprises a feed part and a radiation part, the radiation part is realized through a magnetoelectric dipole and metal walls, and the metal walls are symmetrically loaded on two sides of the magnetoelectric dipole; the invention has the advantages of wide scanning angle and low gain fluctuation performance.

The invention relates to a battery (10, 110, 210, 310), in particular for a motor vehicle, comprising: a housing (12) forming an outer shell of the battery; a plurality of battery cells (14) and a plurality of radio frequency (RF) transmitters (16) disposed inside the housing, each of the battery cells having an associated dedicated RF transmitter; a battery management controller (19) and an associated RF receiver (18) arranged inside the housing; and a passive signal range extension system (20). The extension system comprises: a substrate (22) housing at least one transmit antenna (26a) arranged directly facing the plurality of RF transmitters; and at least one receive antenna (26b) arranged directly facing the RF receiver. A transmission line (28) connects the at least two patch antennas.

A system for angular deception, comprises: a structure having a plurality of resonators characterized by a controllable phase shift between an electromagnetic wave incident on the structure and an electromagnetic wave scattered off the structure, and a controller configured for modulating the phase shift at a modulation frequency of at least 0.01 of a bandwidth of the incident electromagnetic wave.

The invention relates to a radar sensor (10) comprising at least one antenna element (20-22, 25-27) and a radar converging lens (30), the focal point (40) of which for radar radiation is at a predefined focal distance (FA) from the lens side (31) of the radar converging lens (30) facing the focal point (40). The invention provides for the at least one antenna element (20-22, 25-27) to be arranged spatially between the focal point (40) and the lens side (31) of the radar converging lens (30) facing the focal point (40).

Provided is an antenna apparatus including: a signal splitter configured to generate a second signal including N equal-phase signals by splitting a first signal received from a signal source; a signal source virtual beam adjustor configured to generate a third signal including N signals by shifting a phase of each signal included in the second signal; a transmission beam adjustor configured to generate a fourth signal including N signals by shifting a phase of each signal included in the third signal by 0 degree or 180 degrees; and a transmitter including N transmission antennas transmitting respectively transmitting the N signals included in the fourth signal.

An electronic device may be provided with an antenna that radiates through a rear housing wall in multiple frequency bands. The antenna may have one or more directly fed patches and one or more indirectly fed patches that are indirectly fed by the directly fed patch(es). One or more of the patches may be shorted to ground traces through the substrate using conductive vias. The antenna may be provided with a dielectric block mounted to the substrate. The patches may be sandwiched between the substrate and the dielectric block. The dielectric block may have a higher dielectric constant than the substrate. The dielectric block may contribute one or more dielectric resonator antenna (DRA) modes to the resonances of the antenna. In these implementations, the patches in the antenna resonating element may form a feed probe for the dielectric block.

Reconfigurable Antenna This description relates to an antenna (100) comprising: – an amplifying array (101) comprising a plurality of first elementary cells (103); and – a transmitting array (105) comprising a plurality of second elementary cells (107), in which the amplifying array (101) is configured to radiate, or to be irradiated, by the transmitting array (105). Figure for the abbreviation: Fig. 1

Reconfigurable Antenna This description relates to an antenna (100) comprising: – an amplifying array (101) comprising a plurality of first elementary cells (103); and – a transmitting array (105) comprising a plurality of second elementary cells (107), in which the amplifying array (101) is configured to radiate, or to be irradiated, by the transmitting array (105). Figure for the abbreviation: Fig. 1

The present description relates to an antenna (100) comprising: - an amplifier array (101) comprising a plurality of first elementary cells (103); and - a transmitting array (105) comprising a plurality of second elementary cells (107), in which the amplifier array (101) is configured to irradiate, or to be irradiated by, the transmitting array (105), the amplifier array (101) being separated from the transmitting array (105) by a distance equal, to within 20%, to a central transmitting and / or receiving wavelength of the antenna (100).

An electromagnetic reflection apparatus and a base station are provided. The electromagnetic reflection apparatus includes a radiation portion and a phase adjustment portion that are disposed in a stacked manner. The radiation portion includes a radiation patch, and the radiation patch is configured to receive and transmit an electromagnetic signal. The phase adjustment portion includes a coupling structure and a phase adjustment structure. The coupling structure is located between the radiation patch and the phase adjustment structure. The coupling structure is configured to transmit the electromagnetic signal between the radiation patch and the phase adjustment structure. The phase adjustment structure includes a phase adjustment component. The phase adjustment component includes a feed strip line and a plurality of phase adjustment strip lines of different lengths. The feed strip line is configured to transmit the electromagnetic signal to the radiation patch through the coupling structure. The feed strip line can be electrically connected to any phase adjustment strip line, to change a reflection phase of the electromagnetic signal. When the foregoing structure is used, the reflection phase of the electromagnetic wave may be adjusted in a wide operating bandwidth, and adjustment precision is high.