Antenna device and signal receiving method
First Claim
1. An antenna device, comprising:
- a conductive ground plane;
first and second antenna elements connected to the conductive ground plane through first and second feeding points, respectively, directivities of the first and second antenna elements being arranged to be approximately perpendicular to each other;
a phase adjusting circuit configured to provide a phase difference of approximately 180 degrees between first and second received signals by the first and second antenna elements, respectively;
a combining circuit configured to combine the first and second received signals having a phase difference of approximately 180 degrees therebetween to obtain a combined signal; and
a radio unit configured to process the combined signal.
1 Assignment
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Accused Products
Abstract
There is provided with an antenna device, including: a conductive ground plane; first and second antenna elements connected to the conductive ground plane through first and second feeding points, respectively, directivities of the first and second antenna elements being arranged to be approximately perpendicular to each other; a phase adjusting circuit configured to provide a phase difference of approximately 180 degrees between first and second received signals by the first and second antenna elements, respectively; a combining circuit configured to combine the first and second received signals having a phase difference of approximately 180 degrees therebetween to obtain a combined signal; and a radio unit configured to process the combined signal.
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Citations
11 Claims
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1. An antenna device, comprising:
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a conductive ground plane; first and second antenna elements connected to the conductive ground plane through first and second feeding points, respectively, directivities of the first and second antenna elements being arranged to be approximately perpendicular to each other; a phase adjusting circuit configured to provide a phase difference of approximately 180 degrees between first and second received signals by the first and second antenna elements, respectively; a combining circuit configured to combine the first and second received signals having a phase difference of approximately 180 degrees therebetween to obtain a combined signal; and a radio unit configured to process the combined signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A signal receiving method, comprising:
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receiving first and second signals by first and second antenna elements connected to a conductive ground plane through first and second feeding points, respectively, wherein directivities of the first and second antenna elements are arranged to be approximately perpendicular to each other; creating a phase difference of approximately 180 degrees between first and second received signals; combine the first and second received signals having the phase difference of approximately 180 degrees therebetween to obtain a combined signal; and processing the combined signal.
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Specification