Title:
REFLECTARRAY
Document Type and Number:
WIPO Patent Application WO/2010/137713
Kind Code:
A1
Abstract:
A reflectarray is formed by arranging a plurality of mushroom structures on a bottom board. Each of the mushroom structures comprises one quadrilateral patch and a via for short-circuiting the patch and the bottom board. Adjacent vias are arranged so as to be equally spaced in both the horizontal and vertical directions of the bottom board. The space dimension between adjacent patches is adjusted so that the value of the reflection phase of the reflected wave from the patches becomes a desired value.
Inventors:
MARUYAMA TAMAMI (JP)
FURUNO TATSUO (JP)
OHYA TOMOYUKI (JP)
UEBAYASHI SHINJI (JP)
ISSHIKI KOJI (JP)
FURUNO TATSUO (JP)
OHYA TOMOYUKI (JP)
UEBAYASHI SHINJI (JP)
ISSHIKI KOJI (JP)
Application Number:
PCT/JP2010/059153
Publication Date:
December 02, 2010
Filing Date:
May 28, 2010
Export Citation:
Assignee:
NTT DOCOMO INC (JP)
MARUYAMA TAMAMI (JP)
FURUNO TATSUO (JP)
OHYA TOMOYUKI (JP)
UEBAYASHI SHINJI (JP)
ISSHIKI KOJI (JP)
MARUYAMA TAMAMI (JP)
FURUNO TATSUO (JP)
OHYA TOMOYUKI (JP)
UEBAYASHI SHINJI (JP)
ISSHIKI KOJI (JP)
International Classes:
H01Q15/14
Domestic Patent References:
| WO2001067552A1 | 2001-09-13 |
Foreign References:
| JP2002510886A | 2002-04-09 | |||
| JP2000091836A | 2000-03-31 | |||
| JP2010062689A | 2010-03-18 | |||
| JP2009131585A | 2009-06-18 |
Other References:
See also references of EP 2437351A4
K. CHANG; J. AHN; Y. J. YOON: "High- impedance Surface with Nonidentical Lattices", IWAT2008, pages 315,474 - 477
DAVID M. POZAR; STEPHEN D. TARGONSKI; H. D. SYRIGOS: "Design of Millimeter Wave Microstrip Reflectarrays", IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 45, no. 2, February 1997 (1997-02-01), pages 287 - 296, XP011002907
D. SIEVENPIPER: "Ph. D. dissertation", 1999, DEPARTMENT OF ELECTRICAL ENGINEERING, article "High-impedance Electromagnetic Surface"
K. CHANG; J. AHN; Y. J. YOON: "High- impedance Surface with Nonidentical Lattices", IWAT2008, pages 315,474 - 477
DAVID M. POZAR; STEPHEN D. TARGONSKI; H. D. SYRIGOS: "Design of Millimeter Wave Microstrip Reflectarrays", IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 45, no. 2, February 1997 (1997-02-01), pages 287 - 296, XP011002907
D. SIEVENPIPER: "Ph. D. dissertation", 1999, DEPARTMENT OF ELECTRICAL ENGINEERING, article "High-impedance Electromagnetic Surface"
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
Hidekazu Miyoshi (JP)
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