Wistron Neweb Corporation

Other

Wistron Corporation

Chieh-Sheng Hsu

Cheng-Geng Jan

Chang-Hsiu Huang

Shih-Hong Chen

Chi-Chung Chang

Tsun-Che Huang

San-Yi Kuo

Jui-Hsiang Chou

Tzyy-Shinn Huang

Jin-Chung Lin

An antenna system includes at least one antenna array. The antenna array includes a dielectric substrate, a ground plane, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a first feeding element, and a second feeding element. The second radiation element is adjacent to the first radiation element. The first radiation element is positioned between the second radiation element and the ground plane. The fourth radiation element is adjacent to the third radiation element. The third radiation element is positioned between the fourth radiation element and the ground plane. The first feeding element is coupled to a first connection point on the first radiation element and a second connection point on the third radiation element. The second feeding element is coupled to a third connection point on the first radiation element and a fourth connection point on the third radiation element.

Antenna system

An antenna system for receiving and transmitting wireless signals includes a first complex antenna including a first reflection element, a first antenna array and a second antenna array; a second complex antenna including a second reflection element, a third antenna array and a fourth antenna array, wherein the first reflection element and the second reflection element are fixed to form an included angle to each other; and a feeding device, coupled to the first complex antenna and the second complex antenna, for alternately outputting radio-frequency signals to the first complex antenna and the second complex antenna, to emit wireless signals via the first complex antenna and the second complex antenna, and switching phases of the radio-frequency signals outputted to the first complex antenna and the second complex antenna, to change characteristics of beam generated by the first complex antenna and the second complex antenna in a vertical plane.

An antenna system for receiving and transmitting wireless signals includes a first complex antenna including a first dielectric layer, a first metal grounding sheet, first to fourth antenna arrays and a first transmission line device for transmitting radio-frequency signals to the first to fourth antenna arrays, a second complex antenna including a second dielectric layer, a second metal grounding sheet, fifth to eighth antenna arrays and a second transmission line device for transmitting radio-frequency signals to the fifth to eighth antenna arrays, and a feeding device, for alternatively outputting radio-frequency signals to the first complex antenna and the second complex antenna via the first and second transmission line devices, and switching phases of the radio-frequency signals outputted to the first to eighth antenna arrays.

A communication device includes a wideband antenna, a reflector, and at least one metal loop. The wideband antenna is configured to cover an operation frequency band. The reflector is configured to reflect the radiation energy from the wideband antenna. The metal loop is positioned between the wideband antenna and the reflector. The distance between the wideband antenna and the reflector is shorter than 0.25 wavelength of a central frequency of the operation frequency band.

Communication device

An antenna structure includes a ground element, a first radiation element, a second radiation element, a first feeding element, and a second feeding element. The first radiation element is positioned between the second radiation element and the ground element. The first feeding element includes a first coupling excitation element. The second feeding element includes a second coupling excitation element. The first coupling excitation element and the second coupling excitation element are both adjacent to the first radiation element. A first line segment is formed by connecting a central point of the first coupling excitation element to a central axis of the antenna structure. A second line segment is formed by connecting a central point of the second coupling excitation element to the central axis of the antenna structure. An angle between the first line segment and the second line segment is greater than 90 degrees.

Antenna structure

An antenna system includes a dual-polarized antenna, a metal reflection plate, a first metal bending structure, and a second metal bending structure. The metal reflection plate is configured to reflect the radiation energy from the dual-polarized antenna. The first metal bending structure includes a first planar portion and a second planar portion. The second planar portion is coupled through the first planar portion to a first edge of the metal reflection plate. The first planar portion and the second planar portion are not parallel to each other. The second metal bending structure includes a third planar portion and a fourth planar portion. The fourth planar portion is coupled through the third planar portion to a second edge of the metal reflection plate. The third planar portion and the fourth planar portion are not parallel to each other.

A complex antenna for receiving and transmitting radio signals, includes four unit antennas, circularly arranged along a circle, for receiving and transmitting radio signals of a first frequency band; four side walls, respectively disposed between two adjacent unit antennas of the four unit antennas; and a plurality of side-wall antennas, disposed on the four side walls, for receiving and transmitting radio signals of a second frequency band.

Complex antenna

A communication device includes an antenna system, a metal base, and a metal elevating pillar. The antenna system at least includes a dual-polarized antenna and a reflector. The reflector is configured to reflect radiation energy from the dual-polarized antenna. The metal elevating pillar is coupled between the antenna system and the metal base, and is configured to support the antenna system.

A radio-frequency transceiver system, configured to support multiple-input multiple-output communication technology, includes a first complex antenna having a plurality of first antenna units; and a second complex antenna, having a plurality of second antenna units. The plurality of first antenna units and the plurality of second antenna units are regularly and alternately arranged to form an annular structure, and the first complex antenna and the second complex antenna are switched between a single-beam mode and a combined-beam mode respectively to transmit or receive radio-frequency signals.

Radio-frequency transceiver system

A communication device includes an antenna system. The antenna system includes a first dual-polarized antenna, a second dual-polarized antenna, a first reflector, a second reflector, a first PIFA (Planar Inverted F Antenna), a second PIFA, a third PIFA, a first metal loop, a second metal loop, and a third metal loop. The first reflector is disposed adjacent to the first dual-polarized antenna. The second reflector is disposed adjacent to the second dual-polarized antenna. The first metal loop is disposed adjacent to the first PIFA. The first metal loop is floating and completely separated from the first PIFA. The second metal loop is disposed adjacent to the second PIFA. The second metal loop is floating and completely separated from the second PIFA. The third metal loop is disposed adjacent to the third PIFA. The third metal loop is floating and completely separated from the third PIFA.

A communication device includes an antenna system. The antenna system at least includes a dual-polarized antenna, a reflector, and a PIFA (Planar Inverted F Antenna). The dual-polarized antenna includes a first diamond-shaped dipole antenna element and a second diamond-shaped dipole antenna element. The second diamond-shaped dipole antenna element has two truncated tips. The reflector is adjacent to the dual-polarized antenna, and is configured to reflect the radiation energy from the dual-polarized antenna. The PIFA is at least partially formed by the reflector. The PIFA includes a radiation element, a grounding element, and a feeding element. A slot is formed between the radiation element and the grounding element. The slot has a varying width, so as to increase the operation bandwidth of the PIFA.

A communication device includes an antenna system. The antenna system at least includes a dual-polarized antenna, a reflector, a PIFA (Planar Inverted F Antenna), and a fork structure. The reflector is configured to reflect the radiation energy from the dual-polarized antenna. The PIFA is separated from the reflector. The fork structure is positioned between the reflector and the PIFA, and is coupled to the reflector or the PIFA.

A complex antenna configured to transmit or receive radio-frequency signals includes a first antenna unit and a second antenna unit. The first antenna unit is fixed to the second antenna unit with a first included angle, and the complex antenna does not have a closed annular structure.

A collinear dipole antenna includes first and second radiators. The first radiator includes a first arm and at least one second arm including first and second branches, and the second radiator includes a third arm and at least one fourth arm including third and fourth branches. The first and third branches have negative current phases and meandering shapes, and the first and third arms and the second and fourth branches have positive current phases. Widths of the first and third arms gradually increase to a maximum width and gradually decrease after the maximum width is reached. Widths of the second and fourth branches gradually increase to the maximum width and gradually decrease after the maximum width is reached.

Collinear dipole antenna and communication device thereof

A planar dual polarization antenna for receiving and transmitting radio signals includes an upper patch plate and a metal grounding plate with a width along a first direction and a length along a second direction. A shape of the upper patch plate has a first symmetry axis along the first direction and a second symmetry axis along the second direction. The first symmetry axis divides the upper patch plate into a first section and a third section. The second symmetry axis divides the upper patch plate into a second section and a fourth section. A first geometry center of the first section and the symmetry center are separated by a first distance, and a second geometry center of the second section and the symmetry center are separated by a second distance unequal to the first distance.

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Hsinchu, Taiwan

Chieh-Sheng Hsu