H01Q3/36

PHASED ARRAY ANTENNA, TRANSMISSION APPARATUS, RADIO-POWER TRANSMISSION SYSTEM AND RADIO COMMUNICATION SYSTEM
20230045955 · 2023-02-16 · ·

Provided is a two-dimensional phased array antenna having a simple configuration capable of reducing the number of control systems and the number of control input ports for phase control of antenna elements. The phased array antenna comprises a plurality of antenna elements arranged in a first direction and a second direction intersecting the first direction, a plurality of frequency mixers for respectively supplying transmission signals with a predetermined transmission frequency (f) to the plurality of antenna elements, and means for generating a plurality of first mixing signals having a predetermined first phase difference (Δφ.sub.1) between the antenna elements adjacent to each other in the first direction and a plurality of second mixing signals having a predetermined second phase difference (Δφ.sub.2) between the antenna elements adjacent to each other in the second direction, based on three frequency-controllable input signals with respective frequencies different from each other, and supplying the plurality of first mixing signals and the plurality of second mixing signals to the plurality of frequency mixers.

LIQUID CRYSTAL ANTENNA

A liquid crystal antenna is described. The liquid crystal antenna includes liquid crystal phase shifter units arranged in an array; a first feeding network line corresponding to an i.sup.th scanning line and extending along a first direction, and/or, a second feeding network line corresponding to an j.sup.th data line and extending along a second direction. The first feeding network line is provided between the i.sup.th scanning line and an (i+1).sup.th scanning line, and a scanning line protrusion protrudes toward a side facing away from the first feeding network line corresponding to the i.sup.th scanning line. The second feeding network line is provided between the j.sup.th data line and a (j+1).sup.th data line, and a data line protrusion protrudes toward a side facing away from the second feeding network line corresponding to the j.sup.th data line.

LIQUID CRYSTAL ANTENNA

A liquid crystal antenna is described. The liquid crystal antenna includes liquid crystal phase shifter units arranged in an array; a first feeding network line corresponding to an i.sup.th scanning line and extending along a first direction, and/or, a second feeding network line corresponding to an j.sup.th data line and extending along a second direction. The first feeding network line is provided between the i.sup.th scanning line and an (i+1).sup.th scanning line, and a scanning line protrusion protrudes toward a side facing away from the first feeding network line corresponding to the i.sup.th scanning line. The second feeding network line is provided between the j.sup.th data line and a (j+1).sup.th data line, and a data line protrusion protrudes toward a side facing away from the second feeding network line corresponding to the j.sup.th data line.

SHARED TRANSMIT AND RECEIVE APERTURE LINEAR ARRAY
20230045792 · 2023-02-16 ·

Various arrangements of transmit and receive shared-aperture array antenna systems are presented herein. The arrangements can include an antenna that includes: a planar substrate; a first row of a first plurality of transmit patches arranged on the planar substrate; a second row of a plurality of receive patches arranged on the planar substrate; and a third row of a second plurality of transmit patches arranged on the planar substrate. The first row, second row, and third row can be parallel and the second row can be between the first row and the third row.

Electronic devices with passive radio-frequency power distribution circuitry
11581633 · 2023-02-14 · ·

An electronic device may include a transceiver, first and second antennas, and a passive radio-frequency power distribution circuit. The distribution circuit may have a first port coupled to the transceiver, a second port coupled to the first antenna, and a third port coupled to the third antenna. The distribution circuit may include a transformer coupled between the ports. The transformer may have at least two intertwined inductors formed from conductive traces on a dielectric substrate. The intertwined inductors may be concentric about a common point. The intertwined inductors may extend from the common point to the second and third ports. The intertwined inductors may have a coil or spiral shape and may wind around the common point at least once. Intertwining the inductors may serve to minimize the lateral footprint of the distribution circuit in the device.

Electronic devices with passive radio-frequency power distribution circuitry
11581633 · 2023-02-14 · ·

An electronic device may include a transceiver, first and second antennas, and a passive radio-frequency power distribution circuit. The distribution circuit may have a first port coupled to the transceiver, a second port coupled to the first antenna, and a third port coupled to the third antenna. The distribution circuit may include a transformer coupled between the ports. The transformer may have at least two intertwined inductors formed from conductive traces on a dielectric substrate. The intertwined inductors may be concentric about a common point. The intertwined inductors may extend from the common point to the second and third ports. The intertwined inductors may have a coil or spiral shape and may wind around the common point at least once. Intertwining the inductors may serve to minimize the lateral footprint of the distribution circuit in the device.

Dual-beam antenna array

In order to reduce large sidelobes that may result from using a base station antenna with increased electronic downtilt, base station antennas according to the present disclosure may have a plurality of modules in which the columns of radiating elements of at least one of the modules are staggered or offset with respect to each other. For example, a multi-beam cellular antenna may include an antenna array having a plurality of modules, each module comprising at least three columns of radiating elements each having first polarization radiators, wherein the columns of radiating elements of at least one of the modules are staggered with respect to each other; and an antenna feed network configured to couple at least a first input signal and a second input signal to each first polarization radiator of each of the radiating elements included in a first of the plurality of modules.

Dual-beam antenna array

In order to reduce large sidelobes that may result from using a base station antenna with increased electronic downtilt, base station antennas according to the present disclosure may have a plurality of modules in which the columns of radiating elements of at least one of the modules are staggered or offset with respect to each other. For example, a multi-beam cellular antenna may include an antenna array having a plurality of modules, each module comprising at least three columns of radiating elements each having first polarization radiators, wherein the columns of radiating elements of at least one of the modules are staggered with respect to each other; and an antenna feed network configured to couple at least a first input signal and a second input signal to each first polarization radiator of each of the radiating elements included in a first of the plurality of modules.

ELECTRONIC DEVICE INCLUDING ANTENNA MODULE
20230043277 · 2023-02-09 ·

An electronic device is provided. The electronic device includes a first part, a second part, a connection part disposed and coupled to the first part and the second part such that the first part and the second part are rotatable, a first antenna module disposed in the first part and includes an antenna array, a second antenna module disposed in the second part and includes an antenna array, a processor disposed in the first part, an IFIC disposed in the first part and electrically connected to the first antenna module and the processor, a second IFIC disposed in the second part and electrically connected to the second antenna module and the processor and an FPCB disposed over the first part, the connection part, and the second part, and is configured to transfer a digital signal or a baseband I/Q signal between the processor and the second IFIC.

ELECTRONIC DEVICE INCLUDING ANTENNA MODULE
20230043277 · 2023-02-09 ·

An electronic device is provided. The electronic device includes a first part, a second part, a connection part disposed and coupled to the first part and the second part such that the first part and the second part are rotatable, a first antenna module disposed in the first part and includes an antenna array, a second antenna module disposed in the second part and includes an antenna array, a processor disposed in the first part, an IFIC disposed in the first part and electrically connected to the first antenna module and the processor, a second IFIC disposed in the second part and electrically connected to the second antenna module and the processor and an FPCB disposed over the first part, the connection part, and the second part, and is configured to transfer a digital signal or a baseband I/Q signal between the processor and the second IFIC.