Field component diversity antenna and receiver arrangement

Claim 2

A field component diversity antenna arrangement to receive uncorrelated electric field and magnetic field components of a transmitted signal in a multipath fading environment comprising at least a first pair of parallel spaced straight, vertical elemental antenna elements disposed substantially parallel to said electric field component to receive said transmitted signal; a first straight conductor connecting said first pair of antenna elements together to enhance said magnetic field component; a first 180° my hybrid ciruit coupled to said first pair of spaced antenna elements to provide a first output signal proportional to said electric field component and a second ouput signal proportional to said magnetic field component; and a diversity combiner coupled to said hybrid circuit for combining said first and second output signals, wherein said first straight conductor is adapted so as to have its position along said first pair of antenna elements adjustable in order to obtain equal amplitude voltages in response to said received electronic field and magnetic field components.

Claim 3

An antenna arrangement according to claim 1, wherein each of said first pair of antenna elements has a length of 0.06 to 0.08 wavelengths at an operating frequency of said antenna and are separated from each other by 0.125 wavelengths at said operating frequency.

Claim 4

An antenna arrangement according to claim 1, wherein each of said first pair of antenna elements for a dipole element is an operative association with a corner reflector.

Claim 5

An antenna arrangement according to claim 2, wherein each of said first pair of antenna elements is a monopole element in operative assocation with a parabola.

Claim 6

An antenna arrangement according to claim 2, wherein each of said first pair of antenna elements is a dipole element in an operative association with a corner reflector.

Claim 7

An antenna arrangement according to claim 1, wherein each of said first pair of antenna elements is a monopole element in operative association with a parabola.

Claim 8

An antenna arrangement according to claim 1, further including a second pair of parallel, spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component and oriented in a predetermined manner with respect to said first pair of antenna elements; a second straight conductor connecting said second pair of antenna elements together to enhance said magnetic field component; and a second 180° hybrid circuit coupled to said second pair of antenna elements to provide a third output signal proportional to said electric field component and a fourth output signal proportional to said magnetic field component, wherein each of said first and second pair of antenna elements has a length of 0.06 to 0.08 wavelengths at an operating frequency of said antenna, each of said first pair of antenna elements is separated from each other by 0.125 wavelengths at said operating frequency and each of said second pair of antenna elements is separated from each other by 0.125 wavelengths at said operating frequency.

Claim 9

An antenna arrangement according to claim 1, further including a second pair of parallel, spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component and oriented in a predetermined manner with respect to said first pair of antenna elements; a second straight conductor connecting said second pair of antenna elements together to enhance said magnetic field component; and a second 180° hybrid circuit coupled to said second pair of antenna elements to provide a third output signal proportional to said electric field component and a fourth output signal proportional to said magnetic field component, wherein each of said first and second pair of antenna elements is a monopulse antenna in operative association with a common ground plane, further including a first summer to combine said first and third output signals; and a second summer to combine said second and fourth output signals.

Claim 10

An antenna arrangement according to claim 1, further including a second pair of parallel, spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component and oriented in a predetermined manner with respect to said first pair of antenna elements; a second straight conductor connecting said second pair of antenna elements together to enhance said magnetic field component; and a second 180° hybrid circuit coupled to said second pair of antenna elements to provide a third output signal proportional to said electric field component and a fourth output signal proportional to said magnetic field component, wherein each of said first and second pair of antenna elements is a monopulse antenna in operative association with a common ground plane, further including a summer to combine said first and third output signals.

Claim 11

An antenna arrangement according to claim 1, further including a second pair of parallel, spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component and oriented in a predetermined manner with respect to said first pair of antenna elements; a second straight conductor connecting said second pair of antenna elements together to enhance said magnetic field component; and a second 180° hybrid circuit coupled to said second pair of antenna elements to provide a third output signal proportional to said electric field component and a fourth output signal proportional to said magnetic field component, wherein each of said first and second pair of antenna elements is a monopole antenna in operative association with a parabola.

Claim 12

An antenna arrangement according to claim 1, further including a plurality of said first pair of antenna elements disposed in a parallel relationship with one another above a ground plane; and a plurality of said first conductors each connected between a different one of said plurality of said first pair of antenna elements; each of said plurality of said first pair of antenna elements being connected together below said ground plane for coupling to said hybrid.

Claim 13

An antenna arrangement according to claim 1, further including a plurality of said first conductors and a plurality of said first pair of antenna elements interconnected to form a continuous rectangular winding-type configuration disposed in an operative association with a ground plane; each end of said configuration being coupled to said hybrid.

Claim 14

A field component diversity antenna arrangement to receive uncorrelated electric field and magnetic field components of a transmitted signal in a multipath fading environment comprising: at least a first pair of parallel spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component to receive said transmitted signal; and a first 180° hybrid circuit coupled to said first pair of spaced antenna elements to provide a first output signal proportional to said electric field component and a second output signal proportional to said magnetic field component wherein each of said first pair of antenna elements has a length of 0.06 to 0.08 wavelengths at an operating frequency of said antenna and are separated from each other by 0.125 wavelengths at said operating frequency.

Claim 15

A field component diversity antenna arrangement to receive uncorrelated electric field and magnetic field components of a transmitted signal in a multipath fading environment comprising: at least a first pair of parallel spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component to receive said transmitted signal; and a first 180° hybrid circuit coupled to said first pair of spaced antenna elements to provide a first output signal proportional to said electric field component and a second output signal proportional to said magnetic field component wherein each of said first pair of antenna elements has a length of 0.06 to 0.08 wavelengths at an operating frequency of said antenna and are separated from each other by 0.125 wavelengths at said operating frequency.

Claim 16

An antenna arrangement according to claim 13, wherein each of said first pair of antenna elements is a dipole element in an operative association with a corner reflector.

Claim 17

An antenna arrangement according to claim 13 wherein each of said first pair of antenna elements is a monopole element in operative association with a parabola.

Claim 18

An antenna arrangement according to claim 13, wherein each of said first pair of antenna elements is a dipole element in an operative association with a corner reflector.

Claim 19

An antenna arrangement according to claim 13, wherein each of said first pair of antenna elements is a monopole element in operative association with a parabola.

Claim 20

An antenna arrangement according to claim 17, further including a summer to combine said first and third output signals.

Claim 21

An antenna arrangement according to claim 13, further including a second pair of parallel, spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component and oriented in a predetermined manner with respect to said first pair of antenna elements; and a second 180° hybrid circuit coupled to said second pair of antenna elements to provide a third output signal proportional to said electric field component and a fourth output signal proportional to said magnetic field component, wherein each of said first and second pair of antenna elements is a monopole antenna in operative association with a parabola.

Claim 22

An antenna arrangement according to claim 13, further including a second pair of parallel, spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component and oriented in a predetermined manner with respect to said first pair of antenna elements; and a second 180° hybrid circuit coupled to said second pair of antenna elements to provide a third output signal proportional to said electric field component and a fourth output signal proportional to said magnetic field component, wherein each of said first and second pair of antenna elements has a length of 0.06 to 0.08 wavelengths at an operating frequency of said antenna, each of said first pair of antenna elements is separated from each other by 0.125 wavelengths at said operating frequency and each of said second pair of antenna elements is separated from each other by 0.125 wavelengths at said operating frequency, wherein each of said first and second pair of antenna elements is a monpole antenna in operative association with a parabola.

Claim 23

A field component diversity receiver comprising: a field component diversity antenna arrangement to receive uncorrelated electric field and magnetic field components of a transmitted signal in a multipath fading environment including: at least a first pair of parallel spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component to receive said transmitted signal, a first straight conductor connecting said first pair of antenna elements together to enhance said magnetic field component, and a first 180° hybrid circuit coupled to said first pair of spaced antenna elements to provide a first output signal proportional to said electric field component and a second output signal proportional to said magnetic field component; and diversity combiner means coupled to said first hybrid circuit to combine said first and second output signals, wherein said first straight conductor is adapted so as to have its position along said first pair of antenna elements adjustable in order to obtain equal amplitude voltages in response to said received electronic field and magnetic field components.

Claim 24

A field component diversity receiver comprising: a field component diversity antenna arrangement to receive uncorrelated electric field and magnetic field components of a transmitted signal in a multipath fading environment including: at least a first pair of parallel spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component to receive said transmitted signal, a first straight conductor connecting said first pair of antenna elements together to enhance said magnetic field component, and a first 180° hybrid circuit coupled to said first pair of spaced antenna elements to provide a first output signal proportional to said electric field component and a second output signal proportional to said magnetic field component; and diversity combiner means coupled to said first hybrid circuit to combine said first and second output signals, wherein said first straight conductor is adapted so as to have its position along said first pair of antenna elements adjustable in order to obtain equal amplitude voltages in response to said received electronic field and magnetic field components.

Claim 25

A diversity receiver according to claim 21, wherein each of said first pair of antenna elements has a length of 0.06 to 0.08 wavelengths at an operating frequency of said antenna and are separated from each other by 0.125 wavelengths at said operating frequency.

Claim 26

A diversity receiver according to claim 21, wherein each of said first pair of antenna elements is a dipole element in an operative association with a corner reflector.

Claim 27

A diversity receiver according to claim 22, wherein each of said first pair of antenna elements is a monopole element in operative association with a common ground plane.

Claim 28

A diversity receiver according to claim 22, wherein each of said first pair of antenna elements is a dipole element in an operative association with a corner reflector.

Claim 29

A diversity receiver according to claim 21, wherein each of said first pair of antenna elements is a monpole element in operative association with a parabola.

Claim 30

A diversity receiver according to claim 22, wherein each of said first pair of antenna elements is a monopole element in operative association with a parabola.

Claim 31

A diversity receiver according to claim 21, further including a second pair of parallel spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component and oriented in a predetermined manner with respect to said first pair of antenna elements; a second straight conductor connecting said second pair of antenna elements together to enhance said magnetic field component; and a second 180° hybrid circuit coupled to said second pair of antenna elements to provide a third output signal proportional to said electric field component and a fourth output signal proportional to said magnetic field component, wherein each of said first and second pair of antenna elements is a monopole antenna in operative association with a parabola.

Claim 32

A diversity receiver according to claim 21, further including a second pair of parallel spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component and oriented in a predetermined manner with respect to said first pair of antenna elements; a second straight conductor connecting said second pair of antenna elements together to enhance said magnetic field component; and a second 180° hybrid circuit coupled to said second pair of antenna elements to provide a third output signal proportional to said electric field component and a fourth output signal proportional to said magnetic field component, wherein each of said first and second pair of antenna elements has a length of 0.06 to 0.08 wavelengths at an operating frequency of said antenna, each of said first pair of antenna elements is separated from each other by 0.125 wavelengths at said operating frequency and each of said second pair of antenna elements is separated from each other by 0.125 wavelengths at said operating frequency, wherein each of said first and second pair of antenna elements is a monopole antenna in operative association with a parabola.

Claim 33

A diversity receiver according to claim 21, further including a plurality of said first pair of antenna elements disposed in a parallel relationship with one another above a ground plane; and a plurality of said first conductors each connected between a different one of said plurality of said first pair of antenna elements; each of said plurality of said first pair of antenna elements being connected together below said ground plane for coupling to said hybrid.

Claim 34

A diversity receiver according to claim 21, further including a plurality of said first conductors and a plurality of said first pair of antenna elements interconnected to form a continuous rectangular winding-type configuration disposed in an operative association with a ground plane; each end of said configuration being coupled to said hybrid.

Claim 35

A field component diversity receiver comprising: a field component diversity antenna arrangement to receive ucorrelated electric field and magnetic field components of a transmitted signal in a multipath fading environment including: at least a first pair of parallel spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component to receive said transmitted signal, and a first 180° hybrid circuit coupled to said first pair of spaced antenna elements to provide a first output signal proportional to said electric field component and a second output signal proportional to said magnetic field component; and diversity combiner means coupled to said first hybrid circuit to combine said first and second output signals, each of said first pair of antenna elements has a length of 0.06 to 0.08 wavelengths at an operating frequency of said antenna and are separated from each other by 0.125 wavelengths at said operating frequency.

Claim 36

A field component diversity receiver comprising: a field component diversity antenna arrangement to receive ucorrelated electric field and magnetic field components of a transmitted signal in a multipath fading environment including: at least a first pair of parallel spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component to receive said transmitted signal, and a first 180° hybrid circuit coupled to said first pair of spaced antenna elements to provide a first output signal proportional to said electric field component and a second output signal proportional to said magnetic field component; and diversity combiner means coupled to said first hybrid circuit to combine said first and second output signals, each of said first pair of antenna elements has a length of 0.06 to 0.08 wavelengths at an operating frequency of said antenna and are separated from each other by 0.125 wavelengths at said operating frequency.

Claim 37

A diversity receiving according to claim 32, wherein each of said first pair of antenna elements is a dipole element in an operative association with a corner reflector.

Claim 38

A diversity receiver according to claim 32, wherein each of said first pair of antenna elements is a dipole element in an operative association with a corner reflector.

Claim 39

A diversity receiver according to claim 32, wherein each of said first pair of antenna elements is a monopole element in operative association with a parabola.

Claim 40

A diversity receiver according to claim 32, wherein each of said first pair of antenna elements is a monopole element in operative association with a parabola.

Claim 41

A diversity receiver according to claim 32, further including a second pair of parallel spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component and oriented in a predetermined manner with respect to said first pair of antenna elements; and a second 180° hybrid circuit coupled to said second pair of antenna elements to provide a third output signal proportional to said electric field component and a fourth output signal proportional to said magnetic field component, wherein each of said first and second pair of antenna elements is a monopole antenna in operative association with a parabola.

Claim 42

A diversity receiver according to claim 32, further including a second pair of parallel spaced, straight, vertical elemental antenna elements disposed substantially parallel to said electric field component and oriented in a predetermined manner with respect to said first pair of antenna elements; and a second 180° hybrid circuit coupled to said second pair of antenna elements to provide a third output signal proportional to said electric field component and a fourth output signal proportional to said magnetic field component, wherein each of said first and second pair of antenna elements has a length of 0.06 to 0.08 wavelengths at an operating frequency of said antenna, each of said first pair of antenna elements is separated from each other by 0.125 wavelengths at said operating frequency and each of said second pair of antenna elements is separated from each other by 0.125 wavelengths at said operating frequency, wherein each of said first and second pair of antenna elements is a monopole antenna in operative assocation with a parabola.