A wideband antenna system includes a first metal radiation portion, having a coupling distance with a second metal radiation portion; a first feeding contact and a second feeding contact, electrically connected to the first metal radiation portion and the second metal radiation portion respectively, and close to the coupling distance; a first ground contact, electrically connected to the second metal radiation portion; a second ground contact, electrically connected to the first metal radiation portion; an impedance tuner, electrically connected to the first feeding contact, the second feeding contact, the first ground contact, the second ground contact, and a radio frequency signal source, to switch the first metal radiation portion and the second metal radiation portion; an aperture contact, electrically connected to the first metal radiation portion; and an aperture tuner, electrically connected to the aperture contact.

A wideband antenna system includes a first metal radiation portion, having a coupling distance with a second metal radiation portion; a first feeding contact and a second feeding contact, electrically connected to the first metal radiation portion and the second metal radiation portion respectively, and close to the coupling distance; a first ground contact, electrically connected to the second metal radiation portion; a second ground contact, electrically connected to the first metal radiation portion; an impedance tuner, electrically connected to the first feeding contact, the second feeding contact, the first ground contact, the second ground contact, and a radio frequency signal source, to switch the first metal radiation portion and the second metal radiation portion; an aperture contact, electrically connected to the first metal radiation portion; and an aperture tuner, electrically connected to the aperture contact.

A miniaturized antenna with broadband capabilities includes a dielectric substrate, a first radiation unit, a second radiation unit and a feed portion. The dielectric substrate includes a first surface and a second surface. The first radiation unit is arranged on the first surface, the second radiation unit extends from the second surface to the first surface, the second radiation unit includes a ground portion and a first radiation portion. The feed portion feeds current to the first radiation unit, the first radiation unit excites a first radiation frequency band, and the first radiation portion excites a second radiation frequency band. The disclosure also provides a wireless communication device. The antenna is miniaturized and achieves broadband capabilities.

A miniaturized antenna with broadband capabilities includes a dielectric substrate, a first radiation unit, a second radiation unit and a feed portion. The dielectric substrate includes a first surface and a second surface. The first radiation unit is arranged on the first surface, the second radiation unit extends from the second surface to the first surface, the second radiation unit includes a ground portion and a first radiation portion. The feed portion feeds current to the first radiation unit, the first radiation unit excites a first radiation frequency band, and the first radiation portion excites a second radiation frequency band. The disclosure also provides a wireless communication device. The antenna is miniaturized and achieves broadband capabilities.

An antenna module mounted on a vehicle, and including a first radiator structure including a top conductive pattern and first and second side conductive patterns extending from both end portions of the top conductive pattern; a second radiator structure connected to the top conductive pattern, including a plurality of connected conductive patterns and forming a helical structure having first to fourth side surfaces, and configured to operate in a second frequency band and a third frequency band that are higher than a first frequency band; and a third radiator structure including a conductive pattern spaced from the second radiator with a dielectric substrate disposed between the second radiator structure and the third radiator structure and configured to operate in a fourth frequency band higher than the third frequency band; and a feeder including a first feed line feeding a first signal to the first and second radiator structures, and including a second feed line feeding a second signal to the third radiator structure. Further, in the first frequency band, the first structure generates a first electric field distribution from the top conductive pattern and first and second side conductive patterns, and the second radiator structure generates a second electric field distribution from the conductive patterns of the helical structure formed on the second side surface of the second radiator structure to generate the first frequency band, and in the second frequency band, the second radiator structure generates third electric field distributions of the conductive patterns of the helical structure formed on the first side surface and the third side surface of the second radiator structure to generate the second frequency band.

The disclosure provides a compact ultra-wideband (UWB) antenna comprising a plurality of sub-radiator segments, the plurality of sub-radiator segments being a flare section, an inductive corner section, and a rib section. The inductive corner section is configured to mount to a ground surface and connects the flare section and the inductive corner section. The UWB operates over a wide frequency range of 2-18 GHz with good impedance match, high forward gain, stable phase center, and consistent radiation performance. The UWB antenna further comprises a feed point. The feed point is configured to receive a coaxial connector. The plurality of sub-radiator segments are each optimized to propagate electromagnetic currents during specific frequency ranges within the wide frequency range of 2-18 GHz. Further, the UWB antenna can be a single monolithic material, such as a metallic aluminum.

The disclosure provides a compact ultra-wideband (UWB) antenna comprising a plurality of sub-radiator segments, the plurality of sub-radiator segments being a flare section, an inductive corner section, and a rib section. The inductive corner section is configured to mount to a ground surface and connects the flare section and the inductive corner section. The UWB operates over a wide frequency range of 2-18 GHz with good impedance match, high forward gain, stable phase center, and consistent radiation performance. The UWB antenna further comprises a feed point. The feed point is configured to receive a coaxial connector. The plurality of sub-radiator segments are each optimized to propagate electromagnetic currents during specific frequency ranges within the wide frequency range of 2-18 GHz. Further, the UWB antenna can be a single monolithic material, such as a metallic aluminum.

A radiating system comprises a radiating structure, first and second external ports, and a radiofrequency system. The radiating structure comprises a ground plane layer including a connection point, a single radiation booster including a connection point, and a first internal port defined between the connection points of the single radiation booster and the ground plane layer. The first and second external ports each provide operation in at least one frequency band. The radiofrequency system includes a first port connected to the first internal port of the radiating structure, and second and third ports respectively connected to the first and second external ports.

A radiating system comprises a radiating structure, first and second external ports, and a radiofrequency system. The radiating structure comprises a ground plane layer including a connection point, a single radiation booster including a connection point, and a first internal port defined between the connection points of the single radiation booster and the ground plane layer. The first and second external ports each provide operation in at least one frequency band. The radiofrequency system includes a first port connected to the first internal port of the radiating structure, and second and third ports respectively connected to the first and second external ports.

A mobile device includes a hybrid antenna, a tunable circuit element, an RF (Radio Frequency) module, and a proximity sensor. The tunable circuit element provides an impedance value. The RF module generates RF power. The hybrid antenna is coupled through the tunable circuit element to the RF module. The proximity sensor is respectively coupled to the hybrid antenna, the tunable circuit element, and the RF module, and is configured to detect a specific distance between the hybrid antenna and a conductive element. The tunable circuit element and the RF module are operated according to relative information of the specific distance. If the specific distance is shorter than or equal to a first threshold distance, the RF module will reduce the RF power. If the specific distance is shorter than or equal to a second threshold distance, the tunable circuit element will change the impedance value.