Self-Grounding Antenna Structure

A technology of grounded antenna and monopole antenna, applied in the direction of antenna, resonant antenna, antenna grounding device, etc.

Active Publication Date: 2018-03-30
GAPWAVES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, this mutual coupling should be low, but any compact multiport antenna with low mutual coupling between ports is not known

Method used

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  • Self-Grounding Antenna Structure
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  • Self-Grounding Antenna Structure

Examples

Experimental program
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Effect test

Embodiment Construction

[0041] figure 1 A bow tie antenna structure 10 of a first embodiment of the invention is shown. The bowtie antenna structure 10 comprises four arms 1 , 2 , 3 , 4 arranged such that two arms 1 , 2 are on the first side 5 of the central part 5 1 (Denoted here as upper sides, just for definition) Curved back towards each other. In this embodiment they are bent such that the ends of the arms point towards said upper side 5 1 center of. These ends connect to connector pin 6 1 、6 2 , which via the separated opening 7 1 、7 2 Connections are made to conductors 21 , 22 (dotted lines), which are located on opposite (lower) sides of the central part 5 and point towards opposite side edges of the central part 5 .

[0042] In an advantageous embodiment, the central part comprises a circuit board with microstrip conductors. On the other, second side of the central part 5 the conductors 23, 24 of the arms 3, 4 bent backward towards the center, are located on the first side 5 of the c...

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PUM

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Abstract

A self-grounded antenna arrangement includes a base or central portion in a first plane and a number of arm sections associated with the central portion that taper toward a respective end tip. Each arm section is adapted to form a transition from the central portion and being bent backward toward the central portion by more than 180 degrees so that its end tip approaches a first side of the central portion, at an opening in the central portion. The end tip is connected to a feeder configured to feed, via an arm-section-specific port, one specific port for each arm section. Each arm section has a mixed functionality of a curved monopole antenna and a loop antenna, and the antenna arrangement provides substantially uncoupled ports with far-field functions that are almost orthogonal in polarization, direction, or shape. The arrangement finds use in multiple-input multiple-output antenna systems for statistical multipath environments.

Description

technical field [0001] The invention relates to an antenna structure. [0002] The invention also relates to a method for producing an antenna structure. Background technique [0003] There is an increasing demand for wideband antennas in wireless communication devices in order to allow communication in several frequency bands and for different systems. An ultra-wideband (UWB) signal is generally defined as a signal with a large relative bandwidth (bandwidth divided by the carrier frequency) or a large absolute bandwidth. The term UWB is used in particular for the frequency band 3.2-10.6 GHz, but also for other and wider frequency bands. [0004] The use of wideband signals is associated with many positive aspects and advantages, such as described in "History and applications of UWB" by M.Z. Win et al., see Proceedings of the IEEE, vol. 97, No. 2, p.198- 204, February 2009. [0005] Another important aspect of UWB technology is that it is a low-cost technology. Recent d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/36H01Q9/26
CPCH01Q9/28H01Q1/48H01Q5/25H01Q9/26H01Q9/40H01Q9/43H01Q21/0087H01Q21/24
Inventor 杨健阿里·阿尔-拉维马格努斯·弗兰岑查理·欧利厄斯艾哈迈德·A·基什克
Owner GAPWAVES
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