Huawei Technologies Co., Limited

Guoqing Xie

Ying Hai Chen

Yong Li

Ying Chen

Weihong Xiao

Jian Ken Song

Jianping Li

Dingjiu Daojian

Naibiao Wang

Xiaogang Xue

Tao Tang

Xiaoqiang Hou

Tingwei Xu

Xin He

Chao Ren

He Cui

Xue Bai

Zhenxing Wan

Zijing Du

Yuxi Liu

Yuequn Zhou

Deqin Duan

The present disclosure relates to dual-band antennas and antenna arrays. One example dual-band antenna includes a first radiating element and a second radiating element that are disposed on a reflection plate. An operating frequency band of the first radiating element is a first frequency band, and an operating frequency band of the second radiating element is a second frequency band. A minimum frequency of the first frequency band is greater than a maximum frequency of the second frequency band. The first radiating element includes a first feeding apparatus and a first radiator unit, the first feeding apparatus includes a coupling structure coupled to the first radiator unit, and the first feeding apparatus is used for coupled feeding for the first radiator unit by using the coupling structure.

Dual-band antenna and antenna array

A base station antenna includes a plurality of antenna arrays and a phase dispersion circuit. The plurality of antenna arrays include a plurality of radiating elements, and the plurality of radiating elements include a first radiating element and a second radiating element that have a horizontal spacing. The phase dispersion circuit is configured to adjust a phase slope of an electromagnetic signal of the first radiating element in an operating frequency band and/or a phase slope of an electromagnetic signal of the second radiating element in the operating frequency band.

Base station antenna and base station

An antenna subarray and a base station antenna are disclosed. The antenna subarray includes a reflection plate, a plurality of radiation surfaces, and a ground plate of the plurality of radiation surfaces. The ground plate is vertically disposed on the reflection plate, and includes an integrated bottom end structure and a plurality of branch structures. The bottom end structure is connected to the reflection plate, and a top end of a branch structure is connected to a radiation surface. A feeder layer is disposed on a side of the ground plate, and a dielectric layer is spaced between the ground plate and the feeder layer. A first polarized feeder and a second polarized feeder are disposed on the feeder layer. The ground plate may have both a 'ground' function of a polarized feeder and a “ground” function of a balun. The first polarized feeder and the second polarized feeder can implement both a function of a polarized feeder of the radiation surface and a function of a balun feeder.

Antenna subarray and base station antenna

This application provides an antenna and an array antenna. The antenna in this application includes a first radiating element and a second radiating element, where four dipoles enclose to form the first radiating element, and the second radiating element is a radiating element disposed on an inner side of the first radiating element. The first radiating element is configured to support a transmit frequency band, and the second radiating element is configured to support a receive frequency band; or the first radiating element is configured to support a receive frequency band, and the second radiating element is configured to support a transmit frequency band.

Antenna and array antenna

Embodiments of the present invention pertain to the field of communications technologies and disclose a multi-band antenna and a communications device. The multi-band antenna includes a reflection panel, at least one high-frequency unit, and at least one low-frequency unit. Each high-frequency unit includes a balun structure, a coupling structure, and a radiation arm structure. The balun structure includes two balun sub-structures, the coupling structure includes two coupling sub-structures, and the radiation arm structure includes two radiation arms. The high-frequency unit and the low-frequency unit are disposed on the reflection panel. Each coupling sub-structure is separately electrically connected to one balun sub-structure and one radiation arm. The coupling sub-structure is configured to transmit a signal whose frequency is higher than a preset threshold, and block a signal whose frequency is lower than the preset threshold.

Multi-band antenna and communications device

The present application discloses a radiation apparatus, the apparatus comprises at least four radiators, two L-shaped feeding sheets, and a balun structure, the balun structure consists of four L-shaped structures formed by eight conductive plates; and each L-shaped structure is formed by two conductive plates arranged at approximately 90 degrees, each L-shaped structure is electrically connected to one radiator at one end of the balun structure, and angles between a length direction of the radiator and two conductive plates are approximately 45 degrees; every two adjacent L-shaped structures are arranged in a T shape, and the four radiators are approximately in a cross shape and are approximately in a same horizontal plane; two adjacent conductive plates of every two L-shaped structures are approximately parallel to each other and are spaced by a preset distance to form four feeding slots.

Radiation apparatus

A multicast service processing method and an access device. In the method, an access device receives an on-demand request; the access device separately sends the on-demand request to a multicast source device through a first uplink port of the access device and a second uplink port of the access device, so that the multicast source device sends a first multicast packet and a second multicast packet based on the on-demand request; the access device receives the first multicast packet through the first uplink port of the access device, and receives the second multicast packet through the second uplink port of the access device; the access device obtains a multicast data stream based on attribute information of the first multicast packet and attribute information of the second multicast packet; and the access device sends the obtained multicast data stream to the program terminal.

Multicast service processing method and access device

Embodiments of this disclosure disclose a planar array antenna, including at least one first radiation array arranged along a first direction. The first radiation array includes at least one first radiation unit and at least one radiation unit pair, the first radiation unit and the radiation unit pair are disposed on an axis of the first radiation array, the radiation unit pair includes at least two second radiation units, and the at least two second radiation units are symmetric with respect to the axis of the first radiation array. In addition, the embodiments of this disclosure further disclose a communications device to which the planar array antenna is applied.

Planar array antenna and communications device

The present invention discloses an antenna radiating element and an antenna. The antenna radiating element includes a pair of dipoles that are disposed crosswise from one another, forming four dipole arms, and a plurality of external parasitic elements. Each external parasitic element of the plurality of external parasitic elements is: disposed between two neighboring dipole arms in the four dipole arms; and separated from the two neighboring dipole arms and other external parasitic element of the plurality of external parasitic elements. In embodiments of the present invention, the antenna radiating element has a very simple structure, may be directly formed by sheet metal parts, and is convenient to process and manufacture. Also, the parasitic element assembly achieves an effect of reducing a volume of the entire antenna, and therefore both production costs and maintenance costs are reduced.

Antenna radiating element and antenna

The present application provides a multi-frequency array antenna. The multi-frequency array antenna includes at least one dual-polarized low frequency subarray () and at least one dual-polarized high frequency subarray (), where the dual-polarized low frequency subarray () and the dual-polarized high frequency subarray () are arranged, within a same radome (), in parallel along an axial direction () of the multi-frequency array antenna, the dual-polarized low frequency subarray includes at least two types of dual-polarized low frequency radiation unit pairs (), and each of the dual-polarized low frequency radiation unit pairs includes at least four low frequency radiation units. In this structure, effective working regions of the multiple low frequency radiation units in each dual-polarized low frequency radiation unit pair cover a larger area, and therefore diameter utilization of the dual-polarized low frequency radiation unit pair is higher, and a gain of the low frequency subarray is higher.

Multi-frequency array antenna

The present invention discloses an antenna radiating element and an antenna, where the antenna radiating element includes a pair of crosswise disposed dipoles and parasitic element assemblies; the parasitic element assembly is disposed in an included angle formed by two neighboring dipole arms of the crosswise disposed dipoles; the parasitic element assembly is fastened to the dipole; and a radiation signal transmitted by the dipole is reflected and converged by using the parasitic element assembly. In embodiments of the present invention, the antenna radiating element has a very simple structure, may be directly formed by sheet metal parts, and is convenient to process and manufacture. Also, the parasitic element assembly achieves an effect of reducing a volume of the entire antenna, and therefore both production costs and maintenance costs are reduced.

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Shenzhen, China

Guoqing Xie