Hexagonal array structure of dielectric rod to shape flat-topped element pattern

• US 7,167,139 B2
• Filed: 12/27/2004
• Issued: 01/23/2007
• Est. Priority Date: 12/27/2003
• Status: Expired due to Fees

• Current Assignee: Electronics and Telecommunications Research Institute
• Original Assignee: Electronics and Telecommunications Research Institute
• Inventors: Ahn, Do-Seob, Kang, Byung-Su, Kim, Yang-Su, Park, Jong-Min, Ku, Bon-Jun
• Primary Examiner(s): Phan; Tho
• Application Number:
  US11/023,682
• Publication Number:
  US 20050140559A1
• Time in Patent Office: 757 Days
• Field of Search: 343/776, 343/785
• US Class Current: 343/785
• CPC Class Codes: H01Q 13/24 constituted by a dielectric or ferromagnetic rod or pipe H01Q13/28 takes precedence
• CPC Class Codes: H01Q 21/067 using endfire radiating aerial units transverse to the plane of the array

Abstract

A hexagonal array structure of a dielectric rod for shaping a flat-topped element pattern (FTEP) is provided. The hexagonal structure of dielectric rods forming a flat-topped element pattern (FTEP) includes: a center element for forming a unit radiation pattern of the FTEP through an electromagnetic wave mutual coupling by receiving a polarization signal of a basic mode; a plurality of first ring elements arranged at vertexes of a regular hexagon based on the center element for forming the unit radiation pattern by electromagnetic wave mutual coupling with the center element and an electromagnetic wave; and a circular waveguide array supporting unit for supporting the center element and the plurality of first ring elements.

Claims

1. A hexagonal structure of dielectric rods forming a flat-topped element pattern (FTEP), comprising:

a center element for forming a unit radiation pattern of the FTEP through an electromagnetic wave mutual coupling by receiving a polarization signal of a basic mode;

a plurality of first ring elements arranged at vertexes of a regular hexagon based on the center element for forming the unit radiation pattern by electromagnetic wave mutual coupling with the center element and an electromagnetic wave;

circular waveguide array supporting means for supporting the center element and the plurality of first ring elements; and

six dielectric rod elements for forming the FTEP by the electromagnetic wave mutual coupling, wherein the six dielectric rod elements are the first ring elements.

2. The hexagonal structure of dielectric rods as recited in claim 1, further comprising:

a circular waveguide unit including a polarizer for generating polarization by feeding an input signal to the center element;

a dielectric rod for radiating a signal passed through the circular waveguide unit.

3. A hexagonal structure of dielectric rods forming a flat-topped element pattern (FTEP), comprising:

a center element and a plurality of first ring elements for forming a unit radiation pattern of the FTEP through an electromagnetic wave mutual coupling by receiving a polarization signal of a basic mode;

a plurality of second ring elements arranged at vertexes of a regular triangle grating having one or two first ring elements as a vertex of the regular triangle and forming a shape of a regular hexagon for forming a radiation pattern by mutual coupling with the center element and the first ring elements; and

circular waveguide array supporting means for supporting the center element, the plurality of first ring elements and the plurality of second ring elements.

4. The hexagonal structure of dielectric rods as recited in claim 3, further comprising:

a circular waveguide unit including a polarizer for generating a polarization by feeding an input signal to the center element and six of the first ring elements;

six of dielectric rods included in a center dielectric rod and the first ring elements radiating a signal passed through the circular waveguide unit; and

twelve of dielectric rod elements for forming the FTEP by the electromagnetic wave mutual coupling, wherein the twelve of dielectric rod elements are the second ring elements.

5. A hexagonal structure of dielectric rods forming a flat-topped element pattern (FTEP), comprising:

a plurality of elements from a center element to 6(N−

1) elements of a (N−

1)^th ring for forming a unit radiation pattern of the FTEP by electromagnetic wave mutual coupling by receiving a polarization signal of a basic mode;

6N elements of N^th ring for forming a unit radiation pattern by being arranged within a regular space and being electromagnetic wave mutual coupled with adjacent element; and

circular waveguide array supporting means for supporting a plurality of elements from the center element to N^th ring,

wherein N is a natural number greater than one.

6. The hexagonal structure of dielectric rods as recited in claim 5, further comprising:

a circular waveguide unit including a polarizer for generating a polarization by feeding an input signal to elements from the center elements to the 6(N−

1) elements of the (N−

1)^th ring;

6(N−

1) of dielectric rods included in the (N−

1) rings radiating a signal passed through the circular waveguide unit and a center dielectric rod for radiating a signal passed through the circular waveguide unit; and

6N of dielectric rod elements for forming the FTEP by the electromagnetic wave mutual coupling, wherein the 6N of dielectric rod elements are the elements of the N^th ring.