Dual polarized antenna with null-fill

Dual polarized antenna with null-fill

The present invention relates to a dual polarized array antenna comprising at least two dual polarized antenna elements being arranged for radiating electromagnetic energy having a first polarization, constituting a first antenna radiation pattern, via a connection to a first antenna port, and elect...

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Hauptverfasser: PETERSSON SVEN, ENGSTROEM ULRIKA, JOHANSSON MARTIN, DERNERYD ANDERS, MANHOLM LARS
Format: Patent
Sprache:eng
Schlagworte:
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
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creator PETERSSON SVEN
ENGSTROEM ULRIKA
JOHANSSON MARTIN
DERNERYD ANDERS
MANHOLM LARS
description The present invention relates to a dual polarized array antenna comprising at least two dual polarized antenna elements being arranged for radiating electromagnetic energy having a first polarization, constituting a first antenna radiation pattern, via a connection to a first antenna port, and electromagnetic energy having a second polarization, constituting a second antenna radiation pattern, via a connection to a second antenna port, the second polarization being orthogonal to the first polarization, the first antenna radiation pattern and second antenna radiation pattern each having a main beam and a number of side-lobes with nulls. The array antenna comprises at least one further dual polarized antenna element arranged for radiating electromagnetic energy having two mutually orthogonal polarizations, constituting further antenna radiation patterns, via respective connections to the first antenna port and the second antenna port, where the polarization of said at least one further dual polarized antenna element that is associated with the first antenna port deviates from the first polarization such that said at least one null of the first antenna pattern is at least partly filled.
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subjects ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
title Dual polarized antenna with null-fill
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