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Antenna assembly

A technology of antenna components and antenna elements, applied in antennas, antenna parts, resonant antennas, etc., can solve problems such as bandwidth incompatibility, bloated components, and reduction of dielectric resonator antennas

Inactive Publication Date: 2011-09-21
SONY ERICSSON MOBILE COMM AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the lower the dielectric constant, the wider the frequency band of the DRA antenna, but in this case, the components are very bulky
However, in the case of use in wireless communication networks, compactness constraints require a reduction in the size of the dielectric resonator antenna, possibly resulting in incompatibility with the bandwidth required for such applications

Method used

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Examples

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Embodiment Construction

[0033] exist figure 1 In, a portable communication device 10 in the form of a cellular telephone is illustrated. The different functional units of the phone 10 are arranged in a housing, wherein openings are provided on the front side, through which openings a display 14 and a keypad 12 are arranged. The phone 10 also includes at least one antenna structure, which according to the invention is arranged inside the phone. A telephone is just one type of portable communication device in which the invention may be implemented. Other examples are PDAs (Personal Digital Assistants) and laptop computers. The invention is also not limited to portable communication devices, but can be used with stationary communication devices, such as base stations.

[0034] figure 2 A side view of an antenna structure 18 arranged on a circuit board 16 comprising a ground plane 17 according to the prior art is shown. Also provided on board 16 is radio circuitry (not shown) arranged to feed the a...

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Abstract

The present invention relates to a novel antenna assembly comprising a carrying structure having a number of faces, each face having at least partly a ground plane and each face being provided with at least one dielectric resonator antenna (DRA) element. The antenna assembly further comprises: a controller arrangement, a switching arrangement connected to each of said DRA elements, said controller arrangement being configured to switch said antenna elements and alter on or several of frequency, polarisation or radiation pattern of each DRA element.

Description

technical field [0001] The present invention relates to antenna components, in particular to a dielectric resonator antenna component. Background technique [0002] Antennas are transducers designed to transmit and / or receive radio, television, microwave, telephone and radar signals, i.e. antennas convert electrical currents of a specific frequency into electromagnetic waves and vice versa. Physically, an antenna is an arrangement of one or more electrical conductors arranged to generate a radiated electromagnetic field in response to an applied alternating voltage and associated alternating current, or capable of being placed in an electromagnetic field, This field is caused to induce an alternating current in the antenna and an alternating voltage between the terminals of the antenna. [0003] Portable wireless communication electronic devices, such as mobile phones, typically include an antenna connected by soldering or welding to conductive traces or contacts on a print...

Claims

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Application Information

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IPC IPC(8): H01Q1/24H01Q1/38H01Q9/04H01Q21/28H01Q21/29H01Q21/24
CPCH01Q21/28H01Q9/0485H01Q1/243H01Q1/38H01Q9/0492H01Q21/29H01Q21/24
Inventor 应志农
Owner SONY ERICSSON MOBILE COMM AB
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