Multi-band antenna and system for wireless local area network communications
First Claim
1. An antenna comprising:
- a first conductive layer comprising one or more parasitic patches;
a second conductive layer comprising a plurality of radiating patches; and
a third conductive layer comprising a ground patch, wherein the first, second and third conductive layers are separated by first and second substrate layers, and wherein at least one grounding point electrically couples at least one of the radiating patches to the third conductive layer by a conductive path provided through the second substrate layer.
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Abstract
A multi-band antenna comprises a first conductive layer having one or more parasitic patches, a second conductive layer having a plurality of radiating patches, and a third conductive layer having a ground patch. The first, second and third conductive layers may be separated by first and second substrate layers. The second conductive layer may comprise a first radiating patch having dimensions selected to radiate signals within a first frequency spectrum and second radiating patches having dimensions selected to radiate signals within a second frequency spectrum. In wireless local area network (WLAN) embodiments, the first frequency spectrum may comprise a frequency band ranging from approximately 5.1 to 5.9 GHz, and the second frequency spectrum may comprise frequency bands ranging from approximately 2.4 to 2.5 GHz.
48 Citations
31 Claims
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1. An antenna comprising:
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a first conductive layer comprising one or more parasitic patches;
a second conductive layer comprising a plurality of radiating patches; and
a third conductive layer comprising a ground patch, wherein the first, second and third conductive layers are separated by first and second substrate layers, and wherein at least one grounding point electrically couples at least one of the radiating patches to the third conductive layer by a conductive path provided through the second substrate layer. - View Dependent Claims (4, 6, 7, 8)
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2. An antenna comprising:
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a first conductive layer comprising one or more parasitic patches;
a second conductive layer comprising a plurality of radiating patches, and a third conductive layer comprising a ground patch, wherein the first, second and third conductive layers are separated by first and second substrate layers, wherein the second conductive layer comprises;
a first radiating patch having dimensions selected to radiate signals within a first frequency spectrum; and
second radiating patches having dimensions selected to radiate signals within a second frequency spectrum. - View Dependent Claims (3, 5, 9, 13, 14)
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10. An antenna comprising:
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a first conductive layer comprising one or more parasitic patches;
a second conductive layer comprising a plurality of radiating patches; and
a third conductive layer comprising a ground patch, wherein the first, second and third conductive layers are separated by first and second substrate layers, wherein the third conductive layer substantially comprises the ground patch, and wherein the third conductive layer comprises one or more slots within the ground patch. - View Dependent Claims (11, 12, 15)
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16. A multi-layer, multi-band antenna comprising:
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a first conductive layer comprising one or more parasitic patches;
a second conductive layer comprising a plurality of radiating patches;
a third conductive layer comprising a ground patch;
a first substrate layer separating the first and second conductive layers; and
a second substrate layer separating the second and third conductive layers, wherein the one or more parasitic patches are electrically isolated from the second and third conductive layers, wherein the plurality of radiating patches are electrically coupled and have a single feeding point to electrically couple the radiating patches to a feed conductor and wherein the plurality of radiating patches have one or more grounding points electrically coupling the radiating patches to the third conductive layer by a conductive path provided through the second substrate layer.
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17. A multi-layer, multi-band antenna comprising:
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a first conductive layer comprising one or more parasitic patches;
a second conductive layer comprising a plurality of radiating patches, a third conductive layer comprising a ground patch;
a first substrate layer separating the first and second conductive layers; and
a second substrate layer separating the second and third conductive layers, wherein the one or more parasitic patches are electrically isolated from the second and third conductive layers, wherein the plurality of radiating patches are electrically coupled and have a single feeding point to electrically couple the radiating patches to a feed conductor, wherein the plurality of radiating patches have one or more grounding points electrically coupling the radiating patches to the third conductive layer by a conductive path provided through the second substrate layer, and wherein the third conductive layer has one or more slots therein.
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18. A multi-layer, multi-band antenna comprising:
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a first conductive layer comprising one or more parasitic patches, a second conductive layer comprising a plurality of radiating patches;
a third conductive layer comprising a ground patch;
a first substrate layer separating the first and second conductive layers; and
a second substrate layer separating the second and third conductive layers, wherein the one or more parasitic patches are electrically isolated from the second and third conductive layers, wherein the plurality of radiating patches are electrically coupled and have a single feeding point to electrically couple the radiating patches to a feed conductor, wherein the second conductive layer comprises;
a first radiating patch having dimensions selected to radiate signals within a first frequency spectrum; and
second radiating patches having dimensions selected to radiate signals within a second frequency spectrum, wherein a center conductor of a coaxial cable is coupled to the feeding point and an outer conductor of the coaxial cable is coupled to the third conductive layer, and wherein the third conductive layer substantially comprises the ground patch.
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19. A multi-layer circuit board comprising:
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one or more parasitic patches disposed on a first substrate layer;
a plurality of radiating patches disposed on a second substrate layer; and
a ground patch disposed on the second substrate layer on a side opposite the radiating patches, wherein the one or more parasitic patches are electrically isolated from the radiating patches and the ground patch, and wherein the plurality of radiating patches are electrically coupled and have a single feeding point to electrically couple the radiating patches to a feed conductor, and wherein the plurality of radiating patches has one or more grounding points electrically coupling the radiating patches to the ground patch by a conductive path provided through the second substrate layer.
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20. A multi-layer circuit board comprising:
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one or more parasitic patches disposed on a first substrate layer, a plurality of radiating patches disposed on a second substrate layer; and
a ground patch disposed on the second substrate layer on a side opposite the radiating patches, wherein the one or more parasitic patches are electrically isolated from the radiating patches and the ground patch, wherein the plurality of radiating patches are electrically coupled and have a single feeding point to electrically couple the radiating patches to a feed conductor, wherein the one or more parasitic patches, the radiating patches and the ground patch comprises a multi-band antenna, wherein the plurality of radiating patches have one or more grounding points electrically coupling the radiating patches to the ground patch by a conductive path provided through the second substrate layer, and wherein the ground patch has one or more slots therein. - View Dependent Claims (21, 22)
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23. A system comprising:
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a transceiver; and
an antenna coupled to the transceiver, the antenna comprising;
a first conductive layer comprising one or more parasitic patches;
a second conductive layer comprising a plurality of radiating patches; and
a third conductive layer comprising a ground patch, wherein the first, second and third conductive layers are separated by first and second substrate layers, and wherein the one or more parasitic patches are electrically isolated from the second and third conductive layers, wherein the plurality of radiating patches are electrically coupled and have a single feeding point to electrically couple the radiating patches to a feed conductor, wherein the plurality of radiating patches have one or more grounding points electrically coupling the radiating patches to the third conductive layer by a conductive path provided through the second substrate layer.
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24. A system comprising:
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a transceiver; and
an antenna coupled to the transceiver, the antenna comprising;
a first conductive layer comprising one or more parasitic patches;
a second conductive layer comprising a plurality of radiating patches; and
a third conductive layer comprising a ground patch, wherein the first, second and third conductive layers are separated by first and second substrate layers, wherein the one or more parasitic patches are electrically isolated from the second and third conductive layers, wherein the plurality of radiating patches are electrically coupled and have a single feeding point to electrically couple the radiating patches to a feed conductor, wherein the plurality of radiating patches have one or more grounding points electrically coupling the radiating patches to the third conductive layer by a conductive path provided through the second substrate layer, and wherein the third conductive layer comprises one or more slots therein. - View Dependent Claims (25)
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26. A multi-antenna communication station comprising:
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a transceiver to receive and transmit orthogonal frequency division multiplexed signals over a high-throughput communication channel; and
a plurality of antennas, at least some of the antennas comprising;
a first conductive layer comprising one or more parasitic patches;
a second conductive layer comprising a plurality of radiating patches; and
a third conductive layer comprising a ground patch, wherein the first, second and third conductive layers are separated respectively by first and second substrate layers, wherein the high-throughput communication channel comprises a combination of either one or more subchannels or one or more spatial channels associated with one or more subchannels, and wherein each of the at least some of the antennas is to communicate within one of the subchannels or within one of the spatial channels. - View Dependent Claims (27, 28, 29, 30, 31)
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Specification