Antenna operable across multiple frequencies while maintaining substantially uniform beam shape
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United States of America Patent
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Nov 22, 2011
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N/A
app pub date -
May 8, 2007
filing date -
May 11, 2006
priority date (Note) -
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Abstract
An antenna including a number of antenna units, each having a lens and an array of beam ports. The antenna units are arranged in a stack, and are configured to transmit or receive signals from the same field-of-view. Each unit is configured to operate in a different frequency band, with the lenses being configured such that an approximately constant beam shape is maintained across the entire operating bandwidth of the antenna.
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