68 results about "Antenna coupling" patented technology

A system includes a cellular transceiver to communicate with a predetermined target; one or more antennas coupled to the 5G or 6G transceiver each electrically or mechanically steerable to the predetermined target; a processor to control a directionality of the one or more antennas in communication with the predetermined target; and an edge processing module coupled to the processor and the one or more antennas to provide low-latency computation for the predetermined target.

A method for coupling a portable wireless communication device (200) having a communication antenna (330) with a coupling antenna (220) having an area is provided. The method comprises moving the wireless communication device (200) over the area of ​​the coupling antenna (220) (710), repeatedly acquiring a value representing a coupling strength between the communication antenna (330) and the coupling antenna (220) and the corresponding position at which the value is acquired (720), determining, from the acquired values, a coupling strength value that satisfies a predetermined criterion and the corresponding position (730), and displaying a positioning aid by means of the portable wireless communication device for assuming the determined position (740).

The invention provides a miniaturized ultra-wideband 5G MIMO mobile phone antenna for a metal frame, and belongs to the technical field of 5G mobile phone terminal antenna structural design, the antenna adopts a hollow rectangular box-shaped dielectric substrate, the outer surface of the hollow rectangular box-shaped dielectric substrate is fully covered with metal to form an all-metal outer frame, an antenna system comprises four antenna pairs arranged along the long sides, and the antenna pairs are arranged along the long sides of the hollow rectangular box-shaped dielectric substrate. Each antenna pair forms a three-dimensional continuous slot structure through a side wall radiation slot etched on the metal frame and a floor coupling slot etched on the metal floor, signal radiation is realized by combining a pair of radiator microstrip lines sharing the slot, decoupling is realized by bridging a lumped capacitor at the middle part of the floor coupling slot, and the antenna pair is used for antenna coupling. According to the invention, a single antenna pair is only 20mm * 7mm in size, 3.29-5.30 GHz in working frequency band coverage, 47% in relative bandwidth, superior to-11dB in port isolation and about 85% in efficiency, and particularly, the problem of compatibility of all-metal materials and signal transmission is solved.

The present application relates to the technical field of printed antennas, and discloses an outdoor multi-arm segment coupling antenna. The outdoor multi-arm segment coupling antenna covers GPS, WIFI 2.4G and WIFI 5G. The bandwidth and efficiency of WIFI 2.4G and GPS are increased by combining multiple segments with one frequency point. In the case of multiple segments of the 2.4G antenna, the 5G-6G position will not resonate, and the influence on the adjacent WIFI 5G antenna will be reduced. The WIFI 5G antenna is coupled with the adjacent antenna, and one more resonance effectively increases the bandwidth. In the case that the environment is relatively complex and poor, the efficiency of the conventional single-arm segment antenna is higher, and the bandwidth is wider.

The embodiments of the present application relate to the technical field of communications, and specifically relate to an electronic device. In the electronic device of the embodiments of the present application, a frame antenna is provided on a frame, a first ultra-wideband antenna is provided on a rear cover, and along a direction perpendicular to the length of the frame, a projection of the first ultra-wideband antenna on the frame covers at least part of the frame antenna. Along the direction perpendicular to the length of the frame, the first ultra-wideband antenna and the frame antenna are spaced apart, and the distance between the first ultra-wideband antenna and the frame antenna is less than or equal to 5 mm, so that the first ultra-wideband antenna can couple signals to the frame antenna. The first ultra-wideband antenna couples energy to the frame antenna, thereby enabling the first ultra-wideband antenna and the frame antenna to radiate signals outwards simultaneously, which can improve the system efficiency of the first ultra-wideband antenna and accordingly enhance positioning accuracy.

In described examples, an integrated circuit (IC) package includes first and second external connectors at an external surface of the IC package, an IC die, and an antenna. The IC die is coupled to the first external connector. The antenna is coupled to the second external connector. The IC die and the antenna are not coupled within the IC package.

The invention discloses an SMD (Surface Mounted Device) antenna and an application device thereof, and the SMD antenna comprises a PCB (Printed Circuit Board) substrate, a tuning element, a floor, and a feeder line and a coupling line which are formed by removing a metal conductive layer on the PCB substrate, the feeder line is used for coupling a received first signal to the coupling line in an electromagnetic coupling mode, and the coupling line generates a second signal under the action of the feeder line and excites the floor to generate radiation. Therefore, only a small usable area needs to be reserved on the PCB substrate for feeding, double-frequency radiation can be generated through the SMD antenna and the coupling line excitation floor, so that the usable area of the PCB antenna device is reduced, the occupied space of the PCB antenna device is small, and the PCB antenna device can be applied to increasingly-miniaturized electronic devices and is particularly suitable for IOT equipment in the wifi frequency band, the Bluetooth frequency band, the UWB frequency band and the like.

An antenna adjustment device, for a user equipment, wherein the user equipment is coupled to at least one antenna to receive or transmit a wireless signal through the antenna adjustment device, the antenna adjustment device comprising: at least one variable impedance unit, coupled to the at least one antenna; and a micro-controller unit, coupled to the at least one variable impedance unit, for performing the following steps: sending a request signal to the user equipment; receiving a plurality of signal quality parameters responded by the user equipment according to the request signal, wherein the plurality of signal quality parameters are related to the wireless signal; and adjusting a current impedance value of the at least one variable impedance unit according to the plurality of signal quality parameters.

The embodiment of the invention relates to the technical field of communication, in particular to electronic equipment, and in the electronic equipment provided by the embodiment of the invention, a frame antenna is arranged on a frame; the first ultra-wideband antenna is arranged on the rear cover, and the projection of the first ultra-wideband antenna on the frame covers at least part of the frame antenna in the direction perpendicular to the length of the frame; in the direction perpendicular to the length of the frame, the first ultra-wideband antenna and the frame antenna are arranged at an interval, and the distance between the first ultra-wideband antenna and the frame antenna is smaller than or equal to 5 mm, so that the first ultra-wideband antenna can couple signals to the frame antenna, and the first ultra-wideband antenna couples energy to the frame antenna; therefore, the first ultra-wideband antenna and the frame antenna radiate signals outwards at the same time, the system efficiency of the first ultra-wideband antenna can be improved, and the positioning precision is improved.

The utility model discloses a millimeter wave antenna coupling slot structure with wide impedance bandwidth, which comprises a coupling slot arranged on the surface of a radiation patch, telescopic pieces used for changing the effective area of the coupling slot are arranged on the inner walls of the two sides of the coupling slot, and an antenna base is connected below the radiation patch through an adjustable assembly. Through the arrangement of the adjustable assembly and the telescopic pieces, the adjustable assembly can flexibly adjust the height of the radiation patch, so that the performance parameters of the antenna can be optimized, different working environments and application requirements can be met, meanwhile, the effective area of the coupling gap can be changed through the coupling gap and the telescopic pieces on the inner walls of the two sides, and the antenna is more compact. Therefore, the impedance matching and radiation characteristics of the antenna are adjusted, and the working efficiency and bandwidth of the antenna are improved.

Embodiments disclosed herein include headphone devices with spatially diverse antennas employing multiple operational modes and antenna switching policies. The headphone device may identify a current mode of operation and wirelessly communicate with at least one external device based at least in part on the current mode of operation. Further, operating in a first mode of operation, the headphone device may cause switching circuitry to selectively couple a first antenna to the common port in accordance with a first antenna switching policy. While operating in the second mode of operation, the headphone device may cause circuitry to selectively couple a second antenna to the common port in accordance with a second antenna switching policy that is different from the first antenna switching policy.

The present disclosure relates to the technical field of antennas, and provides an antenna and an electronic device, which can solve the problem in the prior art of the severe coupling effect of digital indoor distribution antennas resulting in an increase in pattern non-circularity. The antenna of the present disclosure comprises a carrier substrate (10) and a plurality of radiating elements disposed on the carrier substrate (10), at least some of the radiating elements operating at different frequencies. The antenna further comprises an isolation structure (3) disposed on the carrier substrate (10) and located between two adjacently arranged radiating elements operating at different frequencies. The isolation structure (3) comprises a first dielectric substrate (3-1) disposed on the carrier substrate (10) and at least one isolation layer; the first dielectric substrate (3-1) has a first surface and a second surface that face the radiating elements and are arranged opposite each other, and the isolation layer is disposed on at least one of the first surface and the second surface. The antenna of the present disclosure has low pattern non-circularity and excellent radiation performance.

Antenna-plexers for interference cancellation are provided herein. In certain embodiments, a wireless device includes an antenna, an antenna-plexer coupled to the antenna and configured to generate a feedback signal, a transmitter configured to transmit a transmit signal to the antenna by way of the antenna-plexer, a receiver configured to process a receive signal, and a feedback receiver configured to process the feedback signal from the antenna-plexer to provide compensation to the receive signal.

An antenna device includes: a first antenna; a second antenna; a first transmitter path coupled to the first antenna comprising a first matching circuit, the first matching circuit comprising a first series capacitor voltage divider arranged in series with the first antenna; a second transmitter path coupled to the second antenna comprising a second matching circuit, the second matching circuit comprising a second series capacitor voltage divider arranged in series with the second antenna; a first receiver path coupled to the first transmitter path at a first tap point between capacitors in the first series capacitor voltage divider; a second receiver path coupled to the second transmitter path at a second tap point between capacitors in the second series capacitor voltage divider; a second node of the first antenna is coupled to a reference voltage node; and a second node of the second antenna is coupled to a reference voltage node.

A directional coupler is operably connected to each antenna of a transmitting transceiver that has multiple antennas, and a tunable load is operably connected to each directional coupler. The directional couplers act to couple a co-located receiving transceiver to the antennas of the transmitting transceiver. Each tunable load is constructed based on a reflection coefficient (Γ) that is determined for that tunable load, in that the type of components and / or the values of some or all of the components that are used in the tunable load are determined based on the reflection coefficient (Γ) associated with that tunable load. The tunable loads cancel or reduce interferences experienced by the co-located receiving transceiver when the transmitting transceiver is transmitting using at least one of the multiple antennas.

The application discloses a phased array antenna co-sited electromagnetic interference coupling prediction method based on subarray decomposition, which comprises the following steps: step 1, analyzing the radiation characteristics in the phased array antenna element array through a multilayer fast multipole method; step 2, solving by using a consistent geometric diffraction theory, analyzing the direct path, reflection path and diffraction path effects of the platform structure, the solving process comprising path tracking and field value tracking, and obtaining electromagnetic interference field analysis results under the influence of the complex platform structure; and step 3, performing vector synthesis on the electromagnetic interference coupling fields of the direct path, reflection path and diffraction path from the phased array antenna transmitting antenna element to the receiving antenna, obtaining a total electric field vector, and then calculating the electromagnetic interference energy coupled by the receiving antenna. The application takes into account the advantages of high precision of a full-wave solving method and fast speed of a high-frequency method, guarantees the solving precision, obtains a fast solving speed, and has low requirements on the computing hardware resources.

The invention relates to a method for the simple manufacture of a radar-based level measuring device (1), comprising the following process steps: Two-component injection molding of an antenna base body (11) and a seal (110) arranged around the coupling area (112) to the horn antenna (111) on the antenna base body (11); Subsequent metallization of the antenna base body (11); Attaching a radar module (12) to the antenna base body (11) so that the horn antenna (111) is sealed; and Finally, potting the radar module (12) onto the antenna base body (11) so that the horn antenna (111) remains unenclosed. The invention thus takes advantage of the fact that by means of two-component injection molding an antenna base body (11) with efficient sealing of the waveguide (112) against the potting compound (14) can be achieved with low manufacturing effort.

The present disclosure relates to the technical field of antennas, and provides an antenna and an electronic device, which can solve the problem in the prior art of the severe coupling effect of digital indoor distribution antennas resulting in an increase in pattern non-circularity. The antenna of the present disclosure comprises a carrier substrate (10) and a plurality of radiating elements disposed on the carrier substrate (10), at least some of the radiating elements operating at different frequencies. The antenna further comprises an isolation structure (3) disposed on the carrier substrate (10) and located between two adjacently arranged radiating elements operating at different frequencies. The isolation structure (3) comprises a first dielectric substrate (3-1) disposed on the carrier substrate (10) and at least one isolation layer; the first dielectric substrate (3-1) has a first surface and a second surface that face the radiating elements and are arranged opposite each other, and the isolation layer is disposed on at least one of the first surface and the second surface. The antenna of the present disclosure has low pattern non-circularity and excellent radiation performance.

The present application provides an electronic device. The electronic device comprises a first housing and a second housing which are foldable, and an antenna. The antenna uses a conductive portion of a frame of a housing as a radiator. When the electronic device is in a closed state, a cavity is formed between a first metal layer located on the first housing and a second metal layer located on the second housing. Resonance generated in the cavity by coupling of the antenna has little impact on radiation of the antenna, and the antenna still has good radiation characteristics.

1. Name of the product in this design: Shielding Box (5G). 2. Application of this design: This design is used in a shielding box (5G) to provide electromagnetic shielding for radio frequency conduction and antenna coupling in environments such as smart terminal equipment production lines and laboratories, ensuring the accuracy of testing. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides electronic equipment. The electronic equipment comprises a first shell, a second shell and an antenna, wherein the first shell and the second shell are arranged in a foldable mode. The antenna takes the conductive part of the frame of the shell as a radiator. When the electronic equipment is in the closed state, the cavity is formed between the first metal layer on the first shell and the second metal layer, the cavity has small radiation influence on the antenna by resonance generated by antenna coupling, and the antenna still has good radiation characteristics.

A radio-frequency system including: a self-complementary antenna characterized by an input impedance substantially independent of signal frequency across an operational frequency band; a passive coupling device characterized by a characteristic impedance and configured to couple the self-complementary antenna to a signal generator and a set of signal processors; a resistive matching network electrically connected between the self-complementary antenna and the passive coupling device configured to match the characteristic impedance of the passive coupling device to the input impedance of the self-complementary antenna; and a back-coupling line characterized by a substantially constant group delay across the operational frequency band configured to electromagnetically couple the signal generator to the set of signal processors.

The application provides an antenna applied to a foldable electronic device, which comprises a first antenna substrate, a second antenna substrate hinged to the first antenna substrate through a hinge, the first antenna substrate and the second antenna substrate can rotate around the hinge and switch between a folded state and an unfolded state, and in the folded state, the first antenna substrate, the hinge and the second antenna substrate form a rectangular resonant cavity structure; the first antenna substrate is provided with a first antenna, and the second antenna substrate is provided with a second antenna coupled with the first antenna. Through the second antenna as a parasitic branch, the radiation aperture is expanded, the radiation efficiency and the total system efficiency of the antenna are effectively improved, the S parameter performance is improved, and in the unfolded state, the parasitic branch does not cause too much influence. Through the synergistic effect of electromagnetic coupling and a matching circuit, the total system efficiency is improved.

The utility model provides a metal frame antenna and a mobile terminal applying the metal frame antenna, the metal frame antenna comprises a substrate, a metal middle frame, a first radiation antenna, a second radiation antenna and a ground feed assembly, the substrate is connected with the metal middle frame, the substrate is arranged on the metal middle frame, and the first radiation antenna is connected with the second radiation antenna. The first radiation antenna and the second radiation antenna are in coupling connection, and the first radiation antenna and the ground feed assembly are electrically connected to the substrate. According to the metal frame antenna, the overall radiation efficiency of the antenna can be effectively improved, the head-to-hand efficiency of the antenna can be optimized, and the overall structure of the antenna can be simplified.

The utility model discloses an optical transparent antenna, which comprises a conductive base layer, a radiating antenna main body and a dielectric layer which are sequentially stacked, the radiating antenna main body is of a grid structure, and the radiating antenna main body comprises an antenna coupling branch knot, an antenna main radiating branch knot and a CPW monopole feed structure. The antenna coupling branch knot, the antenna main radiation branch knot and the CPW monopole feed structure are sequentially arranged, a coupling gap is formed between the antenna coupling branch knot and the antenna main radiation branch knot, the antenna main radiation branch knot is of a groove-shaped structure, the side edge of the groove-shaped structure extends towards the antenna coupling branch knot, the bottom of the groove-shaped structure is arranged close to the CPW monopole feed structure, and the CPW monopole feed structure is arranged close to the antenna coupling branch knot. The bottom of the groove-shaped structure is connected with the CPW monopole feed structure, and the antenna coupling branch knot and the antenna main radiation branch knot are the same in structure and are arranged in a mirror image mode. The utility model also discloses AR glasses and VR glasses provided with the optical transparent antenna. And wireless transmission between equipment such as a PC and a mobile phone and AR glasses / VR glasses can be realized.

The invention provides a physical layer authentication method for a massive MIMO communication system. The method comprises the following steps: an expected receiver determines a test statistic Lx used for evaluating channel state information difference between adjacent time intervals through a log-likelihood ratio; and when the sender is the legal user equipment and assumed H0, when the sender is the attacker and assumed H1, and when Lx is smaller than or equal to a threshold value delta, the expected receiver accepts the assumed H0 and judges that the sender is the legal user equipment, otherwise, the expected receiver accepts the assumed H1 and judges that the sender is the attacker. According to the authentication scheme, modeling is carried out on a channel in a massive MIMO antenna communication scene, and the influence of antenna coupling, antenna space correlation and the like caused by antenna element spacing reduction and antenna data increase on the physical layer authentication performance is measured. And the PCA and the SVD are used for carrying out spatial domain and frequency domain decorrelation on the high-dimensional channel information, so that the storage space occupied by the channel information at a base station end can be reduced, and the authentication overhead is greatly reduced under the condition that the same authentication performance is ensured.

The utility model relates to a circular polarization antenna, including mainboard, PDS antenna and metal watchglass, the mainboard and metal watchglass parallelly arranged, PDS antenna installs on the mainboard and PDS antenna is located between the mainboard and metal watchglass, PDS antenna and metal watchglass keep preset distance, PDS antenna is preset length, the utility model discloses PDS antenna and metal watchglass keep preset distance, PDS antenna designs as preset length, through the size of the rectification metal watchglass and PDS antenna coupling, to reduce PDS antenna area, form circular polarization antenna, realize accurate positioning.

The utility model discloses a packaged coupled antenna, belongs to the technical field of radio frequency communication and semiconductor packaging, and mainly solves the problems that a traditional packaged antenna is large in insertion loss, high in processing complexity and difficult to balance in performance and size. The antenna comprises a chip Die, an antenna coupling patch, an antenna radiation patch, a metal ground reflecting surface and a multi-layer packaging structure, and efficient transmission and radiation of radio frequency signals are achieved through non-contact electromagnetic coupling. Specifically, the antenna coupling patch is arranged on the middle layer of the on-chip packaging plate and is connected with the chip Die through a radio frequency signal line; the antenna radiation patch is arranged in parallel on the top layer of the packaging plate, the coupling patch is surrounded by a grounding metal through hole, and the lower end of the through hole is connected with a metal ground reflecting surface to form an electromagnetic shielding structure to reduce interference. According to the packaging coupling antenna, the length of the feeder line can be reduced through a coupling mode, so that the insertion loss of a radio frequency link is reduced, radio frequency wiring becomes simple, the processing difficulty is reduced, and the antenna performance is improved.

Described herein relates to an antenna-coupled graphene Josephson-junction THz / mm-wave apparatus (hereinafter “video”) detector apparatus and methods thereof. Highly sensitive, broadly tunable detectors may be needed for future sensing applications and quantum information systems. In an embodiment, the video detector apparatus may comprise stacked graphene sheets having a “magic” twist angle between their in-plane symmetry axes. As such, the material may display superconductivity with at least 2 K transition temperature. Additionally, the video detector apparatus may depend on the decrease in the maximum zero-voltage DC current when AC current is driven through the junction.

The present disclosure provides a terminal device, and relates to the field of communication. The terminal device comprises a middle frame body, a floating conductor and a frame antenna. The frame antenna comprises a first antenna and a second antenna. A gap is arranged between the first antenna and the second antenna. An interface device is arranged in the gap. The floating conductor is located inside the frame antenna and opposite to the gap. The floating conductor has opposite first and second ends. The first end of the floating conductor is coupled with the first antenna. The second end of the floating conductor is coupled with the second antenna. The floating conductor changes the equivalent circuit between the first antenna and the second antenna. An electromagnetic field with an opposite phase to the original coupling electromagnetic field is added between the first antenna and the second antenna. The two coupling electromagnetic fields can offset each other. The influence of the interface device on the coupling electromagnetic field is reduced. The isolation of the first antenna and the second antenna is improved.