Wistron Neweb Corporation

Chun-Lin Huang

Chien-Ting Huang

Chung-Yen Chen

An antenna system includes a signal feeding element, a first antenna element, a second antenna element, a first transmission line, and a second transmission line. The first antenna element is coupled to a first connection point. The second antenna element is coupled to a second connection point. The first transmission line is coupled between the signal feeding element and the first connection point. The second transmission line is coupled between the signal feeding element and the second connection point. The length of the second transmission line is substantially equal to that of the first transmission line. The first antenna element and the second antenna element substantially have opposite polarization directions. Therefore, the radiation pattern of the antenna system can provide a plurality of different gain peaks.

Antenna system

An antenna system with switchable radiation gain includes a signal feeding element, a first antenna element, a second antenna element, a first diode, a first switch element, a second switch element, a first impedance transformer, and a second impedance transformer. The first antenna element is coupled to a first connection point. The second antenna element is coupled to a second connection point. The first diode has an anode coupled to the first connection point, and a cathode coupled to the second connection point. The first switch element and the second switch element are configured to select either the first impedance transformer or the second impedance transformer as a first target transformer, and the selected first target transformer is coupled between the first connection point and the signal feeding element.

Antenna system with switchable radiation gain

An antenna system includes a first antenna element, a second antenna element, a dielectric substrate, a first reflective plate, and a second reflective plate. The first antenna element and the second antenna element are disposed on the dielectric substrate. The first reflective plate is adjacent to the dielectric substrate. The second reflective plate is coupled to the first reflective plate. A first angle is formed between the first reflective plate and the second reflective plate. The antenna system provides a relative large HPBW (Half-Power Beamwidth).

An antenna system includes a signal feeding element, a first antenna element, a second antenna element, a first selection circuit, a second selection circuit, a first transmission line, a second transmission line, a third transmission line, a fourth transmission line, a fifth transmission line, and a sixth transmission line. The first selection circuit selects one of the first transmission line, the second transmission line, and the third transmission line as a first target transmission line. The selected first target transmission line is coupled between a third connection point and a first connection point. The second selection circuit selects one of the fourth transmission line, the fifth transmission line, and the sixth transmission line as a second target transmission line. The selected second target transmission line is coupled between a fourth connection point and a second connection point.

An antenna structure includes a ground element, a first radiation element, a second radiation element, a dielectric substrate, a first feeding element, a second feeding element, a third feeding element, and a fourth radiation element. The dielectric substrate has a first surface and a second surface. The first radiation element is disposed on the first surface. The second radiation element is adjacent to the first radiation element, and is separate from the first radiation element. The first feeding element has a first feeding port, and is coupled to the first radiation element. The second feeding element has a second feeding port, and is coupled to the first radiation element. The third feeding element has a third feeding port, and is coupled to the first radiation element. The fourth feeding element has a fourth feeding port, and is coupled to the first radiation element.

Antenna structure

An antenna structure includes a loop radiation element, a balance radiation element, a first additional radiation element, and a second additional radiation element. The loop radiation element has a first feeding point. The balance radiation element has a second feeding point. The balance radiation element is coupled to at least a first connection point on the loop radiation element. The balance radiation element is substantially surrounded by the loop radiation element. The first additional radiation element is coupled to a second connection point on the loop radiation element. The second additional radiation element is coupled to a third connection point on the loop radiation element. The loop radiation element is disposed between the first additional radiation element and the second additional radiation element.

A dipole antenna includes a first conductor, a second conductor, a first radiation element, and a second radiation element. The first conductor has a first feeding point. The second conductor has a second feeding point. The first radiation element is coupled to the first conductor. The second radiation element is coupled to the second conductor. The dipole antenna covers an operation frequency band. The first radiation element at least includes a first meandering structure. The first meandering structure is configured to suppress the frequency multiplication resonance with respect to the operation frequency band.

Dipole antenna

An antenna structure includes a main radiation element, a first feeding element, a first additional radiation element, a dielectric substrate, and a ground plane. A first signal source is coupled through the first feeding element to a first side of the main radiation element. The first additional radiation element is coupled to a second side of the main radiation element. A first slot is formed between the first additional radiation element and the main radiation element. The second side is different from the first side. The dielectric substrate has a first surface and a second surface which are opposite to each other. The main radiation element, the first feeding element, and the first additional radiation element are disposed on the first surface of the dielectric substrate. The ground plane is adjacent to the second surface of the dielectric substrate.

A communication system with a first input port and a second input port includes a first antenna, a second antenna, a first diplexer, a second diplexer, a third diplexer, a fourth diplexer, a first coupler, and a second coupler. The first diplexer has a common terminal coupled to the first input port. The second diplexer has a common terminal coupled to the second input port. The third diplexer has a common terminal coupled to the first antenna. The fourth diplexer has a common terminal coupled to the second antenna. Each of the first diplexer, the second diplexer, the third diplexer, and the fourth diplexer has a first terminal and a second terminal which are coupled between the first coupler and the second coupler.

Communication system and communication method

An antenna structure includes a signal source, four transmission lines, and four radiation elements. The radiation elements are coupled through the transmission lines to the signal source, respectively. Each of the radiation elements includes a loop structure, a first connection element, and a second connection element. The loop structure has a first inner edge and a second inner edge which are opposite to each other. A looped region is formed between the first inner edge and the second inner edge. The looped region has first and second sides. The first connection element extends across the first side of the looped region. The first connection element is coupled between the first inner edge and the second inner edge. The second connection element extends across the second side of the looped region. The second connection element is coupled between the first inner edge and the second inner edge.

Antenna structure and electronic device

An antenna system includes a dielectric substrate, a first dipole antenna element, a second dipole antenna element, a first additional metal element, a second additional metal element, first conductive via elements, and second conductive via elements. The first dipole antenna element and the first additional metal element are disposed on a first surface of the dielectric substrate. The first dipole antenna element includes a first radiation element and a second radiation element. The second dipole antenna element and the second additional metal element are disposed on a second surface of the dielectric substrate. The second dipole antenna element includes a third radiation element and a fourth radiation element. The first additional metal element is coupled through the first conductive via elements to the third radiation element. The second additional metal element is coupled through the second conductive via elements to the first radiation element.

A communication device includes a nonconductive housing, a cable, an antenna structure, and a signal source. The nonconductive housing has a hollow structure. The cable is coupled to the signal source. The cable includes a signaling conductor and a grounding conductor. The antenna structure includes an antenna body and an enclosed radiation element. The antenna body is coupled to the signaling conductor. The antenna body is disposed outside the nonconductive housing. The enclosed radiation element is coupled to the grounding conductor. The enclosed radiation element is disposed inside the nonconductive housing.

Communication device and antenna structure

An antenna structure includes a first feeding element, a second feeding element, a balun structure, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, a sixth radiation element, and a dielectric substrate. The balun structure includes a central ground element, a first connection element, a second connection element, a third connection element, and a fourth connection element. The first connection element and the third connection element partially surround the central ground element. A first coupling gap is formed between the fifth radiation element and the first radiation element. A second coupling gap is formed between the fifth radiation element and the third radiation element. A third coupling gap is formed between the sixth radiation element and the second radiation element. A fourth coupling gap is formed between the sixth radiation element and the fourth radiation element.

An antenna structure includes a ground plane, a dielectric substrate, a first radiation element, a second radiation element, a third radiation element, and a fourth radiation element. The first radiation element is coupled to a signal source. Both the third radiation element and the fourth radiation element are coupled between the first radiation element and the second radiation element. The third radiation element has a first notch and a second notch. The fourth radiation element has a third notch and a fourth notch. A loop structure is formed by the first radiation element, the second radiation element, the third radiation element, and the fourth radiation element. A fifth notch is formed between the first radiation element and the third radiation element. A sixth notch is formed between the first radiation element and the fourth radiation element.

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Hsinchu, Taiwan

Chun-Lin Huang