INTERFERENCE REJECTIONS OF SATELLITE GROUND TERMINAL WITH ORTHOGONAL BEAMS
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United States of America Patent
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Issued Date -
Dec 5, 2013
app pub date -
May 29, 2013
filing date -
May 29, 2012
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Abstract
An outdoor unit of a satellite ground terminal is capable of simultaneously receiving satellite signals or data streams originated from multiple different orbital satellites operating at the same frequency in a satellite communication frequency band such as Ka band or Ku band by multiple concurrent orthogonal beams, which are generated by multiple analogue or digital beam forming networks of the outdoor unit and an antenna, such as multiple-beam antenna or direct radiating/reception array, of the outdoor unit. Each of the orthogonal beams has a beam peak in the desired direction and multiple nulls in the interference directions.
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