The invention discloses an ultra-wideband beam antenna, which comprises a dielectric substrate as well as a radiating element, a feed network and a floor printed on the dielectric substrate, and further comprises a microstrip-to-slotline transition structure arranged on the floor, wherein the radiating element comprises a printed dipole and a parasitic element; symmetry axes of the printed dipole and the feed network are overlapped; both a first strip line and a second strip line are composed of straight strip lines and floor connecting strip lines connected to one end of each straight strip line; the other end of each straight strip line is connected to the tail end of inner side of a vibrating arm of the printed dipole; the other end of each floor connecting strip line is connected to the floor; the straight strip lines of the first strip line and the second strip line are mutually parallel; a slotline starting point of the microstrip-to-slotline transition structure is located between connecting points of the two floor connecting strip lines with the floor. The ultra-wideband beam antenna disclosed by the invention is smart in size, and has wide band, high gain and excellent directed radiation capacity. The antenna is simple and compact in structure, light in weight and easy to process, and applicable to such small equipment as communication, electronic navigation and the like.

Ultra-wideband beam antenna

The embodiment of the present invention discloses a dual polarized antenna unit, a dual polarized antenna array and a radio access point The dual polarized antenna unit comprises a first dipole located on a first substrate and a second dipole located on a second substrate, the first and second substrates are vertical and intersected, and the polarization directions of the first and second dipoles are orthogonal According to the embodiment of the present invention, by the vertical and intersected substrates, the compact dual polarized antenna unit is realized, and the volume of an antenna is reduced remarkably The dual polarized antenna unit, the dual polarized antenna array and the radio access point of the embodiment of the present invention are convenient for the on-site installation, enable the wind load of the antenna to be reduced remarkably, and accord with the conventional fire-fighting standards better In addition, the dual polarized antenna unit, the dual polarized antenna array and the radio access point of the embodiment of the present invention are low in cost, are especially suitable for the large-scale production and use, realize the polarization diversity by a dual polarized mechanism, allow multiple MIMO communication, can expand conveniently by a dual polarized antenna array form, and can realize the high bandwidth and the high gain

Dual polarized antenna unit, dual polarized antenna array and radio access point

The present invention provides an antenna structure under a metal environment and mobile terminal equipment. The antenna structure under a metal environment comprises a grounding structure, a first metal arm which is corresponding to the grounding structure, and a second metal arm which is corresponding to the grounding structure. The first metal arm comprises a first grounding end and a first feeding end, and the first grounding end is electrically connected to the grounding structure. The feeding end is correspondingly provided with a feeding structure. The second metal arm comprises a second grounding end and a second feeding end, and the second grounding end is electrically connected to the grounding structure. The second feeding end is corresponding to the first feeding end, and a gap is formed between the first feeding end and the second feeding end. The invention provides the antenna design mode in a metal shell environment, the degree-of-freedom of the antenna structure design can be raised, and the limit to the antenna design and the influence on the antenna performance in the metal shell environment can be reduced.

Antenna structure under metal environment and mobile terminal equipment

The invention provides a high-performance, miniature and coaxial base station antenna. The high-performance miniature and coaxial base station antenna comprises an antenna radiation unit, wherein the antenna radiation unit comprises a high-frequency radiation unit and a low-frequency radiation unit, the high-frequency radiation unit comprises a radiation patch, a feeding structure and a peripheral metal wall, the low-frequency radiation unit comprises a radiation body, a reflection plate and a peripheral metal wall. In the high-performance, miniature, dual-frequency and coaxial base station antenna provided by the invention, the whole structure is more compact based on current reality demands of the base station antenna on wide frequency band, miniaturization and high performance, the dual-frequency band of the base station antenna can cover 2G/3G/4G mobile communication bands, and the base station antenna is compatible with favorable radiation property and circuit characteristic under coaxial and miniature conditions.

High-performance, miniature and coaxial base station antenna

The invention relates to a high-gain end-fire conformal antenna. A dipole metal patch, more than two parasitic metal patches, a feed metal patch and a feed coaxial connector are arranged on a base body formed by a first dielectric substrate, a second dielectric substrate and a third dielectric substrate. The base body is seamlessly fit with the surface of a modern carrier so as to be conformal with the modern carrier. The high-gain end-fire conformal antenna has advantages of small size, high gain, low profile and low weight so that the occasions of high requirement for antenna performance and small size and the occasions of being sensitive to antenna weight and overall size can be met. The antenna is integrated with the carrier in design so that the antenna can be widely applied to various carrier platforms.

High-gain end-fire conformal antenna

The invention discloses a novel broadband printed dipole antenna with a branch wire integrated with a feed balun. The novel broadband printed dipole antenna comprises an SMA (Shape Memory Alloy) joint, a dielectric-slab, a radiating element and a microstrip line feed integrated balun, wherein the radiating element is provided with a slotting seam; dual radiation arms are formed on both sides of the slotting seam; the microstrip line feed integrated balun is provided with a branch wire; the branch wire is equivalent to a series resistor, and is used for improving the matched impedance. According to the novel broadband printed dipole antenna, the VSWR (Voltage Standing Wave Ratio) is less than or equal to 1.5, and the relative bandwidth is up to 58.7 percent (1.65-3.0GHz); compared with other bandwidth extension technologies (such as a parasitic patch increasing technology), the novel broadband printed dipole antenna has the advantages that design is made on the basis of not changing the original size of the antenna, so that the bandwidth of the antenna is improved, other performance of the antenna (such as gain and cross polarization level) is not influenced, and the occupied space is reduced; the novel broadband printed dipole antenna has the advantages of simple structure, convenience, practicability, wide adaptability and the like.

Ge Yuehe

Papers

Novel broadband printed dipole antenna with branch wire integrated with feed balun