Multiband MIMO vehicular antenna assemblies with DSRC capabilities
First Claim
1. A multiband multiple input multiple output (MIMO) vehicular antenna assembly for installation to a vehicle body wall, the antenna assembly comprising:
- at least one cellular antenna configured to be operable over one or more cellular frequencies;
a dual monopole antenna configured to be operable over Dedicated Short Range Communication (DSRC) frequencies, the dual monopole antenna including;
an isolator configured to provide isolation between the dual monopole antenna and the at least one cellular antenna; and
first and second DSRC antenna elements spaced apart from each other and disposed along opposite sides of the isolator;
a first circuit board connected to and/or supporting the at least one cellular antenna; and
a second circuit board above the first circuit board, the second circuit board formed of a different material than the first circuit board such that the second circuit board has a lower loss tangent at DSRC frequencies than the first circuit board, the second circuit board connected to and/or supporting the dual monopole antenna.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed are exemplary embodiments of multiband multiple input multiple output (MIMO) vehicular antenna assemblies for installation to a vehicle body wall. In exemplary embodiments, a multiband MIMO vehicular antenna assembly generally includes at least one cellular antenna configured to be operable over one or more cellular frequencies (e.g., Long Term Evolution (LTE), etc.), at least one satellite antenna configured to be operable over one or more satellite frequencies (e.g., Global Navigation Satellite System (GNSS), satellite digital audio radio services (SDARS), etc.) and at least one Dedicated Short Range Communication (DSRC) antenna configured to be operable over DSRC frequencies.
21 Citations
21 Claims
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1. A multiband multiple input multiple output (MIMO) vehicular antenna assembly for installation to a vehicle body wall, the antenna assembly comprising:
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at least one cellular antenna configured to be operable over one or more cellular frequencies; a dual monopole antenna configured to be operable over Dedicated Short Range Communication (DSRC) frequencies, the dual monopole antenna including; an isolator configured to provide isolation between the dual monopole antenna and the at least one cellular antenna; and first and second DSRC antenna elements spaced apart from each other and disposed along opposite sides of the isolator; a first circuit board connected to and/or supporting the at least one cellular antenna; and a second circuit board above the first circuit board, the second circuit board formed of a different material than the first circuit board such that the second circuit board has a lower loss tangent at DSRC frequencies than the first circuit board, the second circuit board connected to and/or supporting the dual monopole antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A multiband multiple input multiple output (MIMO) vehicular antenna assembly for installation to a vehicle body wall, the antenna assembly comprising:
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at least one cellular antenna configured to be operable over one or more cellular frequencies; at least one satellite antenna configured to be operable over one or more satellite frequencies; a dual monopole antenna configured to be operable over Dedicated Short Range Communication (DSRC) frequencies, the dual monopole antenna including; an isolator configured to provide isolation between the dual monopole antenna and the at least one cellular antenna; and first and second DSRC antenna elements spaced apart from each other and disposed along opposite sides of the isolator; wherein the at least one cellular antenna comprises first and second cellular antennas, the first cellular antenna configured to be operable for receiving and transmitting Long Term Evolution (LTE) signals, the second cellular antenna configured to be operable for only receiving, and is inoperable for transmitting, LTE signals; wherein the at least one satellite antenna comprises first and second patch antennas, the first patch antenna configured to be operable for receiving Global Navigation Satellite System (GNSS) signals, the second patch antenna configured to be operable for receiving satellite digital audio radio services (SDARS) signals; wherein the antenna assembly further comprises; a chassis; a radome coupled to the chassis such that an interior enclosure is collectively defined by the radome and the chassis, the dual monopole antenna, the first and second cellular antennas, and the first and second patch antennas are disposed within the interior enclosure; a first circuit board coupled to and/or supported by the chassis, the first circuit board connected to and/or supporting the first and second cellular antennas and the first and second patch antennas; and a second circuit board coupled to and/or supported by the first circuit board, the second circuit board formed of a different material than the first circuit board such that the second circuit board has a lower loss tangent at DSRC frequencies than the first circuit board, the second circuit board connected to and/or supporting the dual monopole antenna; whereby the antenna assembly is configured to be installed and fixedly mounted to a vehicle body wall after being inserted into a mounting hole in the vehicle body wall from an external side of the vehicle and nipped from an interior compartment side of the vehicle.
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12. A multiband multiple input multiple output (MIMO) vehicular antenna assembly for installation to a vehicle body wall, the antenna assembly comprising:
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at least one Dedicated Short Range Communication (DSRC) antenna configured to be operable over DSRC frequencies; at least one other antenna; a first circuit board connected to and/or supporting the at least one other antenna; and a second circuit board coupled to and/or supported by the first circuit board, the second circuit board formed of a different material than the first circuit board such that the second circuit board has a lower loss tangent at DSRC frequencies than the first circuit board, the second circuit board connected to and/or supporting the at least one DSRC antenna. - View Dependent Claims (13, 14, 15, 16)
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17. A multiband multiple input multiple output (MIMO) vehicular antenna assembly for installation to a vehicle body wall, the antenna assembly comprising:
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at least one Dedicated Short Range Communication (DSRC) antenna configured to be operable over DSRC frequencies; and at least one other antenna; wherein the antenna assembly is configured such that an output of the at least one DSRC antenna is combined and fed through an output of the at least one other antenna via coupling whereby the DSRC signals and signals from the at least one other antenna may be carried by the same transmission line; wherein the at least one other antenna comprises at least one cellular antenna configured to be operable over one or more cellular frequencies; and wherein the antenna assembly further comprises; a first circuit board connected to and/or supporting the at least one cellular antenna; and a second circuit board coupled to and/or supported by the first circuit board, the second circuit board formed of a different material than the first circuit board such that the second circuit board has a lower loss tangent at DSRC frequencies than the first circuit board, the second circuit board connected to and/or supporting the at least one DSRC antenna. - View Dependent Claims (18, 19, 20, 21)
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Specification