Antennas with Polarization Diversity
First Claim
1. A multiple-input, multiple-output (MIMO) antenna system, comprising:
- at least one horizontally polarized antenna array; and
a vertically polarized antenna array coupled to the at least one horizontally polarized antenna array, wherein the at least one horizontally polarized antenna array is coupled to the vertically polarized antenna array by a printed circuit board connector element by fitting a portion of the printed circuit board connector element inside a rectangular slit formed within the printed circuit board of the at least one horizontally polarized antenna array thereby allowing a radio frequency (RF) feed to traverse the at least one horizontally polarized array and the vertically polarized array.
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Abstract
A horizontally polarized antenna array allows for the efficient distribution of RF energy into a communications environment through selectable antenna elements and redirectors that create a particular radiation pattern such as a substantially omnidirectional radiation pattern. In conjunction with a vertically polarized array, a particular high-gain wireless environment may be created such that one environment does not interfere with other nearby wireless environments and avoids interference created by those other environments. Lower gain patterns may also be created by using particular configurations of a horizontal and/or vertical antenna array. In a preferred embodiment, the antenna systems disclosed herein are utilized in a multiple-input, multiple-output (MIMO) wireless environment.
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Citations
19 Claims
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1. A multiple-input, multiple-output (MIMO) antenna system, comprising:
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at least one horizontally polarized antenna array; and a vertically polarized antenna array coupled to the at least one horizontally polarized antenna array, wherein the at least one horizontally polarized antenna array is coupled to the vertically polarized antenna array by a printed circuit board connector element by fitting a portion of the printed circuit board connector element inside a rectangular slit formed within the printed circuit board of the at least one horizontally polarized antenna array thereby allowing a radio frequency (RF) feed to traverse the at least one horizontally polarized array and the vertically polarized array. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification