A microstrip ultra-wideband antenna is provided, including: an upper dielectric substrate, a radiation patch, an open-circuit line, a short-circuit line, a ground plane, a lower dielectric substrate, a vertical dielectric substrate, isolation walls, a hyperbolic microstrip balun feeder and an ideal wave port. The radiation patch is attached to a lower surface of the upper dielectric substrate; the ground plane is attached to an upper surface of the lower dielectric substrate; the short-circuit line and the open-circuit line are attached to a rear surface and a front surface of the vertical dielectric substrate respectively; the hyperbolic microstrip balun feeder is attached to the front and rear surface of the vertical dielectric substrate; the isolation walls are located between the upper dielectric substrate and the lower dielectric substrate perpendicularly to an end of the radiation patch; and the ideal wave port is provided below the hyperbolic microstrip balun feeder.

An electronic device having a 5G antenna, according to the present invention, is provided. The electronic device comprises an antenna, which includes: a first metal pattern formed so that metal having a predetermined length and width is printed and arranged on the top of a substrate; a second metal pattern formed so that metal, which is spaced a predetermined distance from the first metal pattern and has a predetermined length and width, is printed and arranged; and a power feeding pattern formed so that a signal is coupling-fed to the first metal pattern and the second metal pattern.

A power feed circuit for a circularly polarized antenna includes a synthesizing-distributing unit and a phase shift unit. The synthesizing-distributing unit distributes input signals to two paths with the same phase and same amplitude. The phase shift unit has two phase shift circuits connected respectively between the two paths distributed by the synthesizing-distributing unit and two feed points of a circularly polarized antenna. The phase shift unit outputs signals whose phase difference is 90° to the two feed points and of the circularly polarized antenna.

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.

Provided according to the present invention is an electronic device having an antenna. The electronic device may comprise: a transparent antenna built into a display and configured to emit a signal to the front of the display; and a transmission line for feeding the transparent antenna. The transparent antenna is configured as a rectangular patch rotated at a predetermined angle, and a portion of the left and right-side areas of the rectangular patch may be formed as vertical lines.

The invention discloses shared-aperture dual-band dual-polarized antenna array and communication equipment. The antenna array comprises a first dielectric substrate, a second dielectric substrate, a third dielectric substrate, a fourth dielectric substrate, and a fifth dielectric substrate. The first dielectric substrate, the second dielectric substrate, and the third dielectric substrate constitute a dielectric substrate group. The dielectric substrate group is provided with a low-frequency antenna element and four high-frequency antenna elements. The low-frequency antenna element is loaded with a filtering structure. The low-frequency antenna element and the high-frequency antenna element are fed by coaxial lines. The fourth dielectric substrate and the fifth dielectric substrate form a dual-function metasurface. When the dual-function metasurface is used as an artificial magnetic conductor reflector, the radiation of the low-frequency antenna element is enhanced in a low profile, and when used as a frequency selective surface, the electromagnetic scattering of the low-frequency antenna element in the high-frequency band is suppressed. Compared with the existing solutions, the present invention is more compact, and maintains high cross-band isolation and stable radiation patterns in dual bands.

A Wi-Fi antenna device is disclosed. The Wi-Fi antenna device comprises a ground plane, a plurality of first inverted-F antennas, a plurality of second inverted-F antennas and a plurality of third inverted-F antennas, thereby being capable of transceiving multi-band wireless signals. Particularly, there is an included angle between any two of the first inverted-F antennas. In the same way, any two of the second inverted-F antennas and any two of the third inverted-F antennas are both arranged to have said included angle therebetween. By such an arrangement, an omni radiation pattern can be measured on X-Y plane, X-Z plane and Y-Z plane in case of this novel Wi-Fi antenna device being applied in an environment. Therefore, the Wi-Fi antenna device according to the present invention has a significant potential for replacing the conventional multi-band antenna so as to be applied in a Wi-Fi router.

An antenna device, a positioning system and a positioning method are provided. The positioning method includes: dispersedly arranging a plurality of receivers to form a target area, in which each of the receivers includes the antenna device; receiving a wireless signal from the target area through the antenna device, and generating a difference signal strength and a sum signal strength; calculating, for each of the receivers, a sum-difference ratio between the difference signal strength and the sum signal strength, and estimating a corresponding one of estimated incident angles according to the sum-difference ratio and a comparison table; executing, in response to obtaining the estimated incident angles corresponding to the receivers, a positioning algorithm according to the estimated incident angles, so as to generate a plurality of possible positions; and executing an optimization algorithm to calculate a best estimated position of the possible positions.

An antenna assembly for a transceiver having first antennas arranged on a circuit board, a transmitting and receiving circuit arranged on the circuit board. The first antennas are connected to the transmitting and receiving circuit. Second antennas and terminating resistors are arranged on the circuit board. Each second antenna is connected to one of the terminating resistors by means of a strip line. At least one first contact for measuring HF properties of one of the second antennas and / or at least one second contact for measuring HF properties of the terminating resistor connected to the measurement antenna is arranged on the circuit board. The strip line between the measurement antenna and the terminating resistor is disconnectable at a disconnection point, and the strip line forms, on the side of the disconnection point nearest the measurement antenna, a third contact for measuring the HF properties of the measurement antenna.

The present description concerns a polarization cell (109) comprising a rectangular conductive plane having an off-centered opening, a terminal of application of an input signal located inside of the opening, a first switching element coupling the terminal to a first region of the conductive plane located in the vicinity of a first corner of the conductive plane and a second switching element coupling the terminal to a second region of the conductive plane located in the vicinity of a second corner of the conductive plane, the first and second corners being coupled by a same side of the conductive plane.