Dipole antenna element with open-end traces

Patent metadata

Field	Value
Publication number	US-2016240933-A1
Application number	US-201514950402-A
Country	US
Kind code	A1
Filing date	Nov 24, 2015
Priority date	Feb 13, 2015
Publication date	Aug 18, 2016
Grant date	—

Abstract

A first-band radiating element configured to operate in a first frequency band may be designed for reducing distortion associated with one or more second-band radiating element configured to operate in a second frequency band. The first-band radiating element may include a first printed circuit board. The first printed circuit board may include a first surface including a first feed line connected to a feed network of a feed board of an antenna. The radiating element may also include a second surface opposite the first surface. The second surface may include one or more first conductive planes connected to a ground plane of the feed board; and one or more first open-end traces coupled to the one or more conductive planes.

First claim

What is claimed is:

1 . A first-band radiating element configured to operate in a first frequency band, the first-band radiating element comprising:
a first printed circuit board including:
a first surface including a first feed line connected to a feed network of a feed board of an antenna;
a second surface opposite the first surface, the second surface including:
one or more first conductive planes connected to a ground plane of the feed board; and
one or more first open-end traces coupled to the one or more first conductive planes.

2 . The first-band radiating element of claim 1 , wherein the first-band radiating element is positioned spatially between two sub-arrays of second-band radiating elements, wherein each of the second-band radiating elements is configured to operate in a second frequency band.

3 . The first-band radiating element of claim 2 , wherein each of the one or more first open-end traces comprises a quarter wavelength of a wavelength corresponding to the second frequency band.

4 . The first-band radiating element of claim 1 , wherein the one or more first conductive planes comprise:
two first conductive planes positioned on opposite sides of a central longitudinal axis of the first printed circuit board;

5 . The first-band radiating element of claim 4 , wherein the one or more first open-end traces comprise two open-end traces coupled to the two first conductive planes, respectively.

6 . The first-band radiating element of claim 4 , wherein the one or more first open-end traces are positioned below a crossing point of the feed line.

7 . The first-band radiating element further comprising:
a second printed circuit board connected to the first printed circuit board, the second printed circuit board including: a third surface including a second feed line connected to the feed network; a fourth surface opposite the third surface, the fourth surface including:
a second conductive plane connected to the ground plane of the feed board; and
at least one second open-end trace coupled to the second conductive plane.

8 . A crossed dipole radiating element comprising:
a first-band radiating element configured to operate in a first frequency band, the first-band radiating element comprising: a first printed circuit board including:
a first surface including a first feed line connected to a feed network of a feed board of an antenna;
a second surface opposite the first surface, the second surface including:
one or more first conductive planes connected to a ground plane of the feed board; and
one or more first open-end traces coupled to the one or more conductive planes; and
a longitudinal slot along a central longitudinal axis of the first printed circuit board;

a second printed circuit board slidably engaged in the longitudinal slot of the first printed circuit board.

9 . The crossed dipole radiating element of claim 8 , wherein the second printed circuit board includes:
a third surface including a second feed line connected to the feed network; a fourth surface opposite the third surface, the fourth surface including:
a second conductive plane connected to the ground plane of the feed board; and
at least one second open-end trace coupled to the conductive plane.

10 . The crossed dipole radiating element of claim 8 , wherein the first-band radiating element is positioned spatially between two sub-arrays of second-band radiating elements, wherein each of the second-band radiating elements is configured to operate in a second frequency band.

11 . The crossed dipole radiating element of claim 8 , wherein each of the one or more first open-end traces comprises a quarter wavelength of a wavelength corresponding the second frequency band.

12 . The first-band radiating element of claim 8 , wherein the one or more first conductive planes comprise:
two first conductive planes positioned on opposite sides of a central longitudinal axis of the printed circuit board;

13 . The first-band radiating element of claim 12 , wherein the one or more first open-end traces comprise two open-end traces being coupled to the respective two first conductive planes.

Assignees

• Commscope Technologies Llc

Inventors

• Wu Ligang
• Wu Bo
• Li Fan

Classifications

• H01Q9/16

  with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole (H01Q9/44 takes precedence) · CPC title

• H01Q21/26 Primary

  Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre · CPC title

• H01Q5/40

  Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements · CPC title

• H01Q1/521

  reducing the coupling between adjacent antennas · CPC title

• H01Q5/314

  using frequency dependent circuits or components, e.g. trap circuits or capacitors · CPC title