540results about "Separate antenna unit combinations" patented technology

The embodiment of the invention provides a ka and k waveband dual-frequency dual-polarization broadband wide-angle scanning common-aperture antenna unit and an antenna array, and relates to the technical field of common-aperture antenna arrays, the antenna unit comprises an antenna unit substrate, a low-frequency antenna, a high-frequency antenna and a wide-angle matching layer; the low-frequency antenna and the high-frequency antenna are arranged in the antenna unit substrate, and the high-frequency antenna comprises a shielding enclosure frame which is located between the low-frequency antenna and the high-frequency horizontal polarization L-shaped feed probe and between the low-frequency antenna and the high-frequency vertical polarization L-shaped feed probe; the wide-angle matching layer is arranged on the front surface of the antenna unit substrate and is positioned above the low-frequency antenna and the high-frequency antenna; wherein the low-frequency antenna is an L-shaped probe coupling microstrip patch antenna with a shielding enclosure frame, and the high-frequency antenna is a slot antenna. The antenna is simple in structure, employs a printed board technology, is very low in processing difficulty, is lower in cost, and is easy to be interconnected with rear-end equipment.

An antenna module is configured to receive a signal from a baseband circuit and to radiate a radio wave. The antenna module includes a dielectric substrate, radiating elements, and a connector. The dielectric substrate includes planar sections having different normal directions. A first radiating element is disposed in or on the planar section. A second radiating element is disposed in or on the planar section. The antenna module is configured to transfer a radio-frequency signal to a third radiating element, which is externally disposed, via the connector. The size of the second radiating element is smaller than that of the third radiating element.

The present invention relates to an antenna device and an electronic device using same, the antenna device having twice as many antennas arranged in the same area so as to be reduced in size by half and be capable of performing high power long-distance transmission. The antenna device according to the present invention comprises: a core printed circuit board having antenna circuits arranged therein; a Yagi-Uda antenna formed on a plurality of printed circuit boards arranged above the core printed circuit board, so as to transmit a single polarization signal; a monopole antenna connected to the Yagi-Uda antenna through a via; and a ground radiation unit arranged below the core printed circuit board so as to be symmetrical to the monopole antenna with respect to the core printed circuit board.

A mobile terminal includes: a casing including a metal frame and a rear cover, wherein the metal frame is provided with a plurality of slots to divide the metal frame into a plurality of metal parts arranged at intervals; an antenna bracket being provided with a plurality of wirings; a first antenna assembly including a plurality of antenna structures, wherein the plurality of antenna structures are formed based on a plurality of metal parts arranged at intervals and a plurality of wirings, and a working frequency band of the plurality of antenna structures is a sub-6G frequency band; and a second antenna assembly including a plurality of millimeter-wave antenna modules, wherein a working frequency band of the plurality of millimeter-wave antenna modules is a millimeter-wave frequency band.

An antenna structure includes a ground element, a feeding radiation element, a first radiation element, a second radiation element, a shorting radiation element, a third radiation element, a filter circuit, a proximity sensor, and a tuning circuit. The ground element provides a ground voltage. The feeding radiation element has a feeding point. The first radiation element and the second radiation element are coupled to the feeding radiation element, or are disposed adjacent to the feeding radiation element. The first radiation element is also coupled through the shorting radiation element to the ground voltage. The third radiation element is disposed adjacent to the first radiation element. The third radiation element is coupled through the filter circuit to the proximity sensor. The filter circuit is also coupled through the tuning circuit to the ground voltage.

A circular polarized penta-band antenna device and a method for fabricating the antenna device are provided. The antenna device includes: a substrate; a primary L-band antenna formed on the substrate; and a plurality of secondary antennas formed on a top surface of the L-band antenna. The plurality of secondary antennas includes: an X-band antenna; a K-band1 antenna; a K-band2 antenna; and a Ka-band antenna. Each of the X-band, K-band1, K-band2, and Ka-band antennas has a corner-truncated patch structure configured to generate left-hand circular polarization (LHCP). Each of the antennas operates simultaneously to enable multi-band communication and a shared aperture is formed across all antennas.

The mobile terminal provided by the invention comprises a satellite antenna system. The satellite antenna system comprises a satellite communication chip and at least two antennas. The at least two antennas comprise a first antenna and a second antenna, and the first antenna and the second antenna are used for receiving radio frequency signals of a communication satellite and realizing downlink communication of the mobile terminal. The first antenna and the second antenna are respectively connected with the satellite communication chip. At least one part of the first radiator of the first antenna and at least one part of the second radiator of the second antenna are located on different sides of the mobile terminal. The weak receiving sensitivity area of each angle of the first antenna and the strong receiving sensitivity area of each angle of the second antenna at least partially coincide, and the sum of the areas covered by the strong receiving sensitivity area of each angle of the first antenna and the strong receiving sensitivity area of each angle of the second antenna is large, so that the satellite alignment difficulty in the use process is reduced; the mobile terminal can receive the radio frequency signal of the communication satellite in many poses.

Systems, devices, and methods related to dual wideband antennas with arbitrary frequency ranges are provided. An example antenna structure includes a high-band patch antenna to wirelessly communicate a first signal in a first frequency band; a low-band patch antenna to wirelessly communicate a second signal in a second frequency band lower than the first frequency band, wherein the low-band patch antenna is stacked vertically below the high-band patch antenna and spaced apart from the high-band patch antenna by a dielectric substrate; a high-band excitation via electrically coupled to the high-band patch antenna; and a low-band excitation via electrically coupled to the low-band patch antenna, wherein the high-band excitation via is separate from the low-band excitation via.

The invention discloses a wide-angle scanning dual-frequency circularly-polarized common-aperture phased-array antenna, and mainly solves the problems that an existing common-aperture phased-array antenna is difficult to realize dual-frequency aperture multiplexing and small in scanning angle. The antenna comprises N * N rectangular small-sized common-aperture antenna arrays which are closely arranged and a feed transmission structure, and an antenna unit in each sub-array comprises a Ka wave band transmitting left-hand circularly polarized antenna and a K wave band receiving right-hand circularly polarized antenna which are formed by alternately stacking and pressing two substrates made of different materials, the two antennas with different frequency bands adopt different feed forms and different rotary arraying modes, metalized blind holes are added around the antennas, and segmented cutting grooves and gaps are formed in antenna patches. A feed transmission structure comprising a left-handed circular polarization port and a right-handed circular polarization port is correspondingly arranged below the antennas of different wavebands, and each port is connected with a phase shifter. The wide-angle scanning antenna can realize large-wide-angle scanning in a range of 60 degrees, has the advantages of miniaturization, low profile and integration of transmitting and receiving, and can be used for a low-orbit satellite communication system and multi-band fusion and intelligent networking.

A wrist-worn electronic device includes a lower housing, an upper housing, a plurality of bezel connectors, a first global navigation satellite system (GNSS) antenna, a second GNSS antenna, and a communication antenna. The lower housing includes a side wall. The upper housing includes a bezel. The bezel connectors each provide an electrical connection to the bezel. The first GNSS antenna is configured to receive a first GNSS wireless signal. The second GNSS antenna is configured to receive a second GNSS wireless signal. The communication antenna is configured to transmit and receive a communication wireless signal. Each antenna is formed from a portion of the circumference of the bezel, a portion of the circumference of the side wall, and two of the bezel connectors.

The invention belongs to the technical field of antennas, and particularly relates to a low-profile single-layer dual-polarization structure composite array antenna for a C / K wave band. Comprising a dielectric substrate, the lower surface of the dielectric substrate is a metal floor, and m * m composite array elements are integrated on the upper surface; each composite array element comprises a square ring structure and a Jerusalem cross structure arranged in the square ring structure, and the Jerusalem cross structure and the square ring structure are not in contact and coincide in center; all the square ring structures form a C-band array antenna, super units are divided according to n * n, and each super unit is fed through an SMA coaxial line; all the Jerusalem cross structures form a k-band reflective array antenna, super units are divided according to z * z, and each super unit is connected with a horn antenna through a waveguide for coupling radiation; wherein: nlt; zlt, zlt; m, z and n are positive numbers. According to the invention, multiplexing of a C / K wave band antenna structure is realized by using the single-layer dielectric substrate, the height is reduced, the process is simplified, the cost is reduced, the antenna is suitable for a multi-frequency satellite communication system, and large-scale array arrangement can provide high-gain radiation.

A system and method are provided for determining a location of a portable device relative to an object. The system and method may include operating in two modes: 1) a first mode in which an antenna output, such as a received signal strength indicator, satisfies a mode transition criterion that is dynamic, and 2) a second mode in which, with the mode transition criterion being satisfied, the location of the portable device is determined.

A relay satellite platform communication device for space-ground networking belongs to the field of relay satellites, and is formed by system-level integration of four core technologies including a structure-electrical integrated central bearing frame, an integrated three-surface pluggable modular system, a conformal antenna integrated multifunctional shell and an internal and external cooperative heat pipe heat dissipation network. A framework-module-skin three-layer deep coupling system framework is constructed, six faces of a center bearing structure are divided into a movable area and a static area, the movable area is used for achieving function reconfiguration and on-orbit maintenance, and the static area is used for deploying a high-reliability platform foundation system which is fixed once launched. According to the invention, the problems of difficulty in on-orbit maintenance, low reliability and efficiency bottleneck caused by discrete architecture and functional coupling of a traditional relay satellite are solved, and a high-reliability, high-flexibility and easy-to-maintain satellite platform foundation is provided for constructing a dynamic reconfigurable space-ground integrated information network.

An antenna assembly for a vehicle includes a PCB and a ground plane disposed on a top surface of the PCB. The antenna assembly further includes a patch antenna stack including a first dielectric operatively connected to the ground plane and a first patch conductor operatively connected to the first dielectric to transmit and / or receive radio frequency signals having circular polarization in a first direction. The patch antenna stack also includes a second dielectric operatively connected to the first patch conductor and a second patch conductor operatively connected to the second dielectric to transmit and / or receive radio frequency signals having circular polarization in a second direction opposite the first direction. The antenna assembly further includes a radiating element configured to be energized to transmit and / or receive radio frequency signals having linear polarization.

The application belongs to the technical field of antennas, and discloses a coupled resonator decoupling network system applied to MIMO antenna array double-frequency coupling suppression, which comprises a radiating antenna array, a metal floor, a transmission line structure, a single-branch matching network, a three-port double-frequency CRDN structure and a dielectric substrate; the radiating antenna array, the transmission line structure, the single-branch matching network and the three-port double-frequency CRDN structure are printed on the upper layer of the dielectric substrate, and the metal floor is printed on the lower layer of the dielectric substrate; the application has clear principles, mature technology, stable structure, low cost, simple processing technology and is suitable for large-scale production; the application realizes the suppression of mutual coupling of the antenna array in two frequency bands at the same time in a limited space, is suitable for the double-frequency decoupling demand of a compact space multi-antenna system, does not occupy too much additional volume, has low profile and scalability, and can be popularized to different antenna types and other working frequency bands.

The present invention relates to the field of wireless communication technology, and in particular to a duplex antenna. The duplex antenna described in the present invention is a single integrated duplex antenna. Specific signals need to be transmitted and received at specific ports and cannot leak to another port. The first port is connected to a monopole antenna for receiving energy fundamental signals, and the second port is connected to a slot antenna for reflecting harmonic signals. Isolation between ports is formed by different resonant current modes, without the need for additional duplex filters or power dividers to achieve duplex operation of the antenna. The feed lines of the monopole antenna and the slot antenna are zigzag, which increases the isolation between the ports. The present invention provides a duplex antenna with self-contained port isolation, which can further and effectively reduce the node area, thereby achieving the miniaturization of the receiving node of the wireless sensor network.

Provided in the present application are an antenna unit, an antenna device, a communication apparatus, and a communication system. The antenna unit comprises a balun structure and a radiation arm. The radiation arm comprises a first metal piece and a plurality of second metal pieces, wherein the plurality of second metal pieces are arranged at intervals, at least some of the plurality of second metal pieces are connected to each other by means of a metal wire, and at least one second metal piece is connected to the first metal piece by means of the metal wire. The antenna unit can reduce mutual interference between antenna portions at different frequency bands while simplifying the structure of the antenna unit.

To ensure isolation between multiple antenna elements disposed within a narrow space while also reducing the size of an on-board antenna device, this on-board antenna device (100) comprises: an antenna case (101); a base (102) that forms an accommodation space together with the antenna case (101); and a first antenna element (122) and a second antenna element (123) that are accommodated in the accommodation space. The first antenna element (122) and the second antenna element (123) at least transmit or receive radio waves of different frequency bands. The first antenna element (122) has, in at least a portion thereof, a meandering shape in a first direction that intersects a polarized wave of a radio wave transmitted or received by the second antenna element (123).

A multi-resonant antenna comprises a main antenna and an additional radiation element. The main antenna comprises a main portion and a feeding portion. The main portion forms a split ring. The feeding portion extends outward of the main antenna from the main portion. The additional radiation element extends outward of the main antenna directly from the feeding portion.

An electronic device according to various embodiments comprises: at least one housing including a first side surface and a second side surface extending from the first side surface in the vertical direction; a conductor, which is arranged in the housing and extends along the second side surface from the first side surface; a substrate including a ground plane arranged in the inner space of the housing; and a wireless communication circuit which is arranged in the substrate, and which is configured to transmit or receive a wireless signal in a first frequency band through a first point of the conductor, wherein: the first point is positioned at the corner or adjacent to the corner of the conductor; and, in the conductor, a first length of a first radiating portion positioned at one side from the first point can be the same, on the basis of the first frequency band, as a second length of a second radiating portion positioned at the other side.

A filter device includes an insulating body including a first outer electrode and a second outer electrode, a first inductor coupled to the first outer electrode, and a resonant circuit including a second inductor and a capacitor. The first inductor is coupled to the second outer electrode and to the resonant circuit. The first inductor and the second inductor are stacked in the insulating body. At least one of the first inductor and the second inductor includes a plurality of inductor patterns. The first inductor and the second inductor are alternately disposed in a stacking direction and are magnetically coupled.

An antenna and receiver design is described herein that allows a spacecraft to safely and accurately perform an autonomous flight safety system, an ascent, an entry, a re-entry, a landing, and / or an orbit determination. For example, a spacecraft can be equipped with 180-degree dual-opposed antennas and two receivers. A signal captured by a first antenna can be routed to a secondary radio frequency (RF) of the first receiver and to a combiner. A signal captured by a second antenna can be routed to a secondary RF of the second receiver and to the combiner. The mixer can perform the phase combination operation on the signals captured by the first receiver and the second receiver to produce a phase combined signal, and can route the phase combined signal to the primary RF of the first receiver and to the primary RF of the second receiver.

The embodiment of the invention discloses a frequency selection device, a base station antenna and base station equipment. The frequency selection device comprises a plurality of metal shells, at least one metal connecting plate and at least one FSS unit. The multiple metal shells are distributed in the first direction, every two adjacent metal shells are electrically connected through a metal connecting plate, each metal connecting plate comprises a gap structure, and the gap structure of each metal connecting plate is used for being connected with at least one FSS unit in an inserted mode. The frequency selection device can realize transmission of electromagnetic waves in part of frequency bands and reflection of electromagnetic waves in other frequency bands, so that the frequency selection device has a frequency selection function. Moreover, by adopting the frequency selection device designed by the invention, the transmissivity of electromagnetic waves of a part of frequency bands and the reflectivity of electromagnetic waves of the other part of frequency bands can be improved, and the performance of the antenna array of each frequency band can be better exerted.

An antenna assembly includes a first antenna and a second antenna. The first antenna includes a first radiator, a first signal-source, a first matching circuit, and a first adjusting circuit. The first signal-source is electrically connected to the first matching circuit to the first radiator, and the first adjusting circuit is configured to adjust a resonant frequency-point of the first antenna to make the first antenna support an electromagnetic wave signal in a first frequency band. The second antenna includes a second radiator, a second signal-source, a second matching circuit, and a second adjusting circuit. The second signal-source is electrically connected to the second matching circuit to the second radiator, the second adjustment circuit is configured to adjust a resonant frequency-point of the second antenna to make the second antenna support an electromagnetic wave signal in a second frequency band and a third frequency band.

The application discloses a kind of laser preparation vehicle antenna, is prepared by numerical control system control, applied to antenna technical field, including upper shell and bottom shell, the bottom shell is provided with screw below, the screw is connected to form a closed mounting space with the upper shell and the bottom shell, ceramic PCB is provided in the mounting space, ceramic body is installed above the ceramic PCB, a plurality of thimbles are installed in the side of the ceramic PCB, main antenna, diversity antenna, MOM4-antenna, WIFI-1 antenna, WIFI-2 antenna, GPS and BT antenna are sequentially connected with thimble on the ceramic PCB, the application has the characteristics that the drawing of multi-surface composite structure upper antenna circuit is realized.

To provide an integrated antenna assembly disposed in a blade portion of a vehicle and providing omnidirectional coverage.SOLUTION: An integrated antenna assembly 106 supporting an omni-directional beam is formed in a top portion 206 of a blade portion 204 of a vehicle. A first antenna array 208 is formed on a first surface 216 of the top portion 206, an antenna array 210A is formed on a first side 212A of the top portion 206, an antenna array 210B is formed on a second side 212B of the top portion 206, the antenna array 210A is formed on a third side 212C of the top portion 206, an antenna array 210C is formed on the first side 212A of the top portion 206, and an antenna array 210D is formed on a fourth side 212D of the top portion 206. The vehicle is attached to the integrated antenna assembly 106 at a first surface 201 of a base portion 202 of the blade portion 204.SELECTED DRAWING: Figure 2

A nested and interwoven antenna for coexistence of 4G and 5G networks, comprising at least two high-frequency radiation arrays formed by arranging high-frequency radiation units in rows, at least one low-frequency radiation array formed by arranging low-frequency radiation units in rows, and a MIMO array, wherein the at least two high-frequency radiation arrays are arranged side by side, at least one low-frequency radiation array is nested between the at least two high-frequency radiation arrays, and at least one low-frequency radiation array and the upper or lower part of the at least two high-frequency radiation arrays are nested within the MIMO array. Through a special array layout and the use of filtering oscillators, 4G and 5G are integrated into an antenna with a relatively small size. The reasonable placement of the element spacing enables the performance of both the 4G and 5G network systems to reach the level of a single 4G antenna and 5G antenna.

An antenna device includes: a first antenna used for communication in a first frequency band; a second antenna that is arranged close to the first antenna and used for communication in a second frequency band; a first line that is directly or indirectly connected to the first antenna and increases an impedance of the second frequency band at a feeding point of the first antenna more than an impedance of the first frequency band at a feeding point of the first antenna; and a first antenna duplexer or a first filter connected to the first antenna via the first line.

The present invention discloses a composite ultra-wideband director, which is composed of a director vane and a magnetic current loop. The director vane is placed above the radiation surface of the oscillator, and the magnetic current loop is placed below the radiation surface of the oscillator with its vertical axis coinciding with that of the oscillator. In particular, by designing a double-layer director vane and a spiral magnetic current loop, the above-mentioned composite director realizes ultra-wideband plane wave conversion and gain improvement. The invention combines the plane wave conversion characteristic of the director vane with the characteristic of the magnetic current loop to improve the axial gain, providing a solution for a composite ultra-wideband and high-gain director, so as to better meet the requirements of current 5G ultra-wideband antennas. The present invention also provides a high-low frequency nested array.

This application describes multi-band antenna systems and base stations. An example antenna system a frequency selective surface (FSS); at least one radiating element array on a first side of the FSS; and at least one feeding network corresponding to the at least one radiating element array, wherein the at least one feeding network corresponding to the at least one radiating element array is connected to the FSS according to a direct current connection manner or a segmented direct current connection manner, or the at least one feeding network corresponding to the at least one radiating element array is integrated on the FSS.