Abstract: A dual-polarized millimeter wave antenna unit, an antenna system, and a mobile terminal are disclosed. The dual-polarized millimeter wave antenna unit comprises a main part, a first feed branch, a second feed branch, and a radiator, wherein the radiator is arranged on the top face of the main part, the first feed branch is arranged on a first side face of the main part, the second feed branch is arranged on a second side face of the main body, the first feed branch and the second feed branch are communicated with the bottom face of the main part, the first side face is perpendicular to the second side face, and a weld region is arranged on the bottom face of the main part. The dual-polarized millimeter wave antenna unit provided by the invention has the advantages of wideband, dual polarization, and low sidelobe, thus being especially suitable for 5G communication.

Abstract: A 5G MMW dual-polarized antenna module and a handheld device are disclosed. The antenna module comprises at least two antenna units. Each antenna unit comprises a first horizontal metal plate, a second horizontal metal plate, a first vertical metal plate, a second vertical metal plate and a patch antenna assembly. The antenna module can work within the 5G MMW frequency band and has the characteristic of dual polarization; and when applied to the handheld device, the antenna module will not increase the thickness of the handheld device and is conducive to ultra-thin development of the handheld device.

Abstract: An antenna unit, a MIMO antenna and a handheld device. The antenna unit includes a feeder and a radiator, wherein the radiator is in a 90°-rotated U shape and includes a first horizontal part, a first vertical part and a second horizontal part, two ends of the first vertical part are respectively connected to the first horizontal part and the second horizontal part; the feeder is located in the U shape and includes a second vertical part, a third horizontal part and a third vertical part, two ends of the third horizontal part are respectively connected to the second vertical part and the third vertical part, and the second vertical part and the third vertical part are located on different sides of the third horizontal part. The MIMO antenna has an ultra wideband.

Abstract: A dual-polarized millimeter wave antenna unit, an antenna system, and a mobile terminal are disclosed. The dual-polarized millimeter wave antenna unit comprises a main part, a first feed branch, a second feed branch, and a radiator, wherein the radiator is arranged on the top face of the main part, the first feed branch is arranged on a first side face of the main part, the second feed branch is arranged on a second side face of the main body, the first feed branch and the second feed branch are communicated with the bottom face of the main part, the first side face is perpendicular to the second side face, and a weld region is arranged on the bottom face of the main part. The dual-polarized millimeter wave antenna unit provided by the invention has the advantages of wideband, dual polarization, and low sidelobe, thus being especially suitable for 5G communication.

Abstract: A 5G MIMO antenna structure includes a PCB and more than one first antenna assembly arranged on the PCB at intervals. Each first antenna assembly includes a feed branch, a first radiator and two second radiators, wherein the first radiator and the two second radiators are coupled to the feed branch, the first radiator is of an inverted U-structure and has two tail ends connected to grounding points of the PCB, the feed branch is located in the first radiator and corresponds to a feed point of the PCB in position, and the two second radiators are arranged in the first radiator, connected to the first radiator, and respectively located on two sides of the feed branch. The 5G MIMO antenna structure has a good radiation effect, a good isolation effect and a smaller size, and can meet the usage requirements of a 5G system below 6 GHz.

Abstract: A 5G MIMO antenna system includes at least four antenna units which are arrayed at intervals. Each antenna unit includes a first branch and a second branch, wherein the first branch is of an inverted-U structure, and two ends of an opening of the first branch are grounded; the second branch is located in an area defined by the first branch and is a monopole branch, and a feed point is arranged at an end, close to the opening of the first branch, of the second branch. The first branches and the second branches generate two different resonances, so that the 5G antenna system has a broadband operation. Meanwhile, the 5G MIMO antenna system has the characteristics of being small in size, good in isolation and broad in frequency band.

Abstract: A dual-polarized millimeter-wave antenna system applicable to 5G communications and a mobile terminal are disclosed. Each antenna element comprises a radiating body and a director, wherein the radiating body comprises a first dielectric layer, a main radiating part, a first feeding branch, a second feeding branch, a third feeding branch and a fourth branch, and the director comprises a second dielectric layer, a first director part and a second director part. The director has the same effect on a +45° polarization pattern and a ?45° polarization pattern of the radiating body, so that wide-angle coverage is realized, and the consistency of the two polarization patterns is good; and the antenna system occupies a small area does not need a clearance area and can be placed on a complete metal ground plate, there by being suitable for full-screen equipment.

Abstract: An antenna unit, a MIMO antenna and a handheld device. The antenna unit includes a feeder and a radiator, wherein the radiator is in a 90°-rotated U shape and includes a first horizontal part, a first vertical part and a second horizontal part, two ends of the first vertical part are respectively connected to the first horizontal part and the second horizontal part; the feeder is located in the U shape and includes a second vertical part, a third horizontal part and a third vertical part, two ends of the third horizontal part are respectively connected to the second vertical part and the third vertical part, and the second vertical part and the third vertical part are located on different sides of the third horizontal part. The MIMO antenna has an ultra wideband.

Abstract: A 5G wideband MIMO antenna system based on coupled loop antennas and a mobile terminal are disclosed. The antenna system comprises at least four antenna units comprising an antenna frame, a first coupling branch, a second coupling branch, a feed branch and an ground branch, wherein one end of the first coupling branch and one end of the ground branch are overlapped in the thickness or length direction of the frame, one end of the second coupling branch and one end of the feed branch are overlapped in the thickness or length direction of the frame. A traditional loop antenna is converted into a coupled loop antenna with three coupling regions. The coupled loop antenna system is high in antenna efficiency, good in isolation, simple in structure and easy to manufacture and has a small height when placed vertically, thereby making the mobile terminal lighter and thinner.

Abstract: A 5G MIMO antenna system includes at least four antenna units which are arrayed at intervals. Each antenna unit includes a first branch and a second branch, wherein the first branch is of an inverted-U structure, and two ends of an opening of the first branch are grounded; the second branch is located in an area defined by the first branch and is a monopole branch, and a feed point is arranged at an end, close to the opening of the first branch, of the second branch. The first branches and the second branches generate two different resonances, so that the 5G antenna system has a broadband operation. Meanwhile, the 5G MIMO antenna system has the characteristics of being small in size, good in isolation and broad in frequency band.

Abstract: A 5G wideband MIMO antenna system based on coupled loop antennas and a mobile terminal are disclosed. The antenna system comprises at least four antenna units comprising an antenna frame, a first coupling branch, a second coupling branch, a feed branch and an ground branch, wherein one end of the first coupling branch and one end of the ground branch are overlapped in the thickness or length direction of the frame, one end of the second coupling branch and one end of the feed branch are overlapped in the thickness or length direction of the frame. A traditional loop antenna is converted into a coupled loop antenna with three coupling regions. The coupled loop antenna system is high in antenna efficiency, good in isolation, simple in structure and easy to manufacture and has a small height when placed vertically, thereby making the mobile terminal lighter and thinner.

Abstract: A dual-polarized millimeter-wave antenna system applicable to 5G communications and a mobile terminal are disclosed. Each antenna element comprises a radiating body and a director, wherein the radiating body comprises a first dielectric layer, a main radiating part, a first feeding branch, a second feeding branch, a third feeding branch and a fourth branch, and the director comprises a second dielectric layer, a first director part and a second director part. The director has the same effect on a +45° polarization pattern and a ?45° polarization pattern of the radiating body, so that wide-angle coverage is realized, and the consistency of the two polarization patterns is good; and the antenna system occupies a small area does not need a clearance area and can be placed on a complete metal ground plate, there by being suitable for full-screen equipment.

Abstract: A 5G MIMO antenna structure includes a PCB and more than one first antenna assembly arranged on the PCB at intervals. Each first antenna assembly includes a feed branch, a first radiator and two second radiators, wherein the first radiator and the two second radiators are coupled to the feed branch, the first radiator is of an inverted U-structure and has two tail ends connected to grounding points of the PCB, the feed branch is located in the first radiator and corresponds to a feed point of the PCB in position, and the two second radiators are arranged in the first radiator, connected to the first radiator, and respectively located on two sides of the feed branch. The 5G MIMO antenna structure has a good radiation effect, a good isolation effect and a smaller size, and can meet the usage requirements of a 5G system below 6 GHz.

Abstract: An 8-shaped NFC antenna includes a metal back cover and an antenna coil, the metal back cover comprises a first through-hole and a second through-hole, the antenna coil is located on the inner side of the metal back cover, the metal back cover is further provided with a first slit, the first slit is connected with the first through-hole and the second through-hole, the antenna coil surrounding the first through-hole and the second through-hole is in an 8 shape, and the current direction of the part of the coil surrounding the first through-hole and the current direction of the part of the coil surrounding the second through-hole are opposite.

Abstract: Herein disclosed is a surface-mounted NFC antenna, having a small size and good performance, comprising a magnetic core, a first dielectric layer, a first coil and a second coil. The first coil is wound on the outer surface of the magnetic core. One side of the first dielectric layer, away from the magnetic core, is the first surface. The second coil is disposed on the first surface. The tail end of the first coil is electrically connected with the head end of the second coil. In the NFC antenna, the second coil is disposed on the dielectric layer to separate the first coil from the second coil, thereby preventing the magnetic field generated by the first coil from weakening the magnetic field generated by the second coil, so the magnetic field generated by the second coil is relatively larger.

Abstract: An 8-shaped NFC antenna includes a metal back cover and an antenna coil, the metal back cover comprises a first through-hole and a second through-hole, the antenna coil is located on the inner side of the metal back cover, the metal back cover is further provided with a first slit, the first slit is connected with the first through-hole and the second through-hole, the antenna coil surrounding the first through-hole and the second through-hole is in an 8 shape, and the current direction of the part of the coil surrounding the first through-hole and the current direction of the part of the coil surrounding the second through-hole are opposite.

Abstract: Herein disclosed is a surface-mounted NFC antenna, having a small size and good performance, comprising a magnetic core, a first dielectric layer, a first coil and a second coil. The first coil is wound on the outer surface of the magnetic core. One side of the first dielectric layer, away from the magnetic core, is the first surface. The second coil is disposed on the first surface. The tail end of the first coil is electrically connected with the head end of the second coil. In the NFC antenna, the second coil is disposed on the dielectric layer to separate the first coil from the second coil, thereby preventing the magnetic field generated by the first coil from weakening the magnetic field generated by the second coil, so the magnetic field generated by the second coil is relatively larger.

Abstract: An NFC antenna includes a first metal back cover and an antenna coil located on the inner side of the first metal back cover, a through-hole and a first slit are formed in the first metal back cover, the first slit is connected with one edge of the through-hole and one edge of the first metal back cover, the antenna coil surrounds the through-hole and the first slit, and one part of the antenna coil does not coincide with the first metal back cover and is not intersected with the first slit. Through the above manner, the effect of optimally changing the flow direction distribution and intensity of eddy currents can be achieved, the eddy current loops are used to enhance the performance of the antenna, and the shielding effect of the metal back is eliminated.

Abstract: The present invention discloses a Z-shaped dual ring winding type NFC antenna, comprising a ferrite core which is formed by superposing a plurality of plate-like ferrite units, a first coil and a second coil. The first coil is wounded on the outer surface of the ferrite core in a Z shape, and the second coil is spirally wound along the vertical Z axis direction. The lower end of the ferrite core is connected with an antenna insulating layer. The lower end face of the antenna insulating layer is connected with external electrodes that include a first external electrode and a second external electrode. The head end of the first coil is connected with the first external electrode, and the tail end is connected with the head end of the first coil through a connecting conductor. The tail end of the second coil is connected with the second external electrode.

Abstract: The present invention discloses a Z-shaped dual ring winding type NFC antenna, comprising a ferrite core which is formed by superposing a plurality of plate-like ferrite units, a first coil and a second coil. The first coil is wounded on the outer surface of the ferrite core in a Z shape, and the second coil is spirally wound along the vertical Z axis direction. The lower end of the ferrite core is connected with an antenna insulating layer. The lower end face of the antenna insulating layer is connected with external electrodes that include a first external electrode and a second external electrode. The head end of the first coil is connected with the first external electrode, and the tail end is connected with the head end of the first coil through a connecting conductor. The tail end of the second coil is connected with the second external electrode.