Abstract: An antenna system includes: a patch antenna element disposed at a first level of the antenna system; an energy coupler configured and coupled to the patch antenna element to transfer energy between the patch antenna element and a front-end circuit; a ground conductor disposed at a second level of the antenna system, the patch antenna element and the ground conductor being disposed a separation distance away from each other and bounding respective sides of a volume defined by a projection, normal to a surface of the patch antenna element, of the patch antenna element to the ground conductor; and a floating conductor that is displaced from the ground conductor and the patch antenna element, the floating conductor comprising a body extending over a portion of the separation distance outside of, and in close proximity to, the volume.

Abstract: A transmit (TX) local oscillator (LO) leakage calibration circuit including a transceiver having a transmit portion and a receive portion, an interface circuit connected to the transmit portion and the receive portion, an impedance control circuit connected to a low noise amplifier (LNA) in the receive portion, the impedance control circuit configured to adjust an input impedance for the LNA, a power detector coupled to an output of the LNA, and a local oscillator cancellation element connected to the power detector, the local oscillator cancellation element configured to adjust an input to the transmit portion based on TX LO leakage detected by the power detector.

Abstract: An antenna assembly includes an array of patch antennas arranged above a rectangular ground plane. The patch antennas are arranged in a sequence beginning at a first end of the rectangular ground plane and continuing across a width of the rectangular ground plane to a second end. With regard to this sequence, a plurality of polarization feeds alternate between being adjacent a first corner to being adjacent a second corner of the patch antennas and/or a plurality of via walls alternate in orientation along portions of a first edge of the rectangular ground plane and along portions of a second edge of the rectangular ground plane.

Abstract: An apparatus is disclosed for a hybrid wireless transceiver architecture that supports multiple antenna arrays. In an example aspect, the apparatus includes a first antenna array, a second antenna array, and a wireless transceiver. The wireless transceiver includes first dedicated circuitry dedicated to the first antenna array and second dedicated circuitry dedicated to the second antenna array. The wireless transceiver also includes shared circuitry that is shared with both the first antenna array and the second antenna array.

Abstract: An antenna system includes: a first antenna element configured to transduce between second wireless energy and second transmission-line-conducted energy, wherein the first and second wireless energy are of first and second polarizations of the first antenna element and in first and second directions that are different and define a first plane; and a second antenna element configured to transduce between third wireless energy and third transmission-line-conducted energy and between fourth wireless energy and fourth transmission-line-conducted energy, wherein the third and fourth wireless energy are of first and second polarizations of the second antenna element and in third and fourth directions that are different and define a second plane that is substantially orthogonal to the first plane.

Abstract: Apparatus, methods, and computer-readable media for implementing a display-side antenna are disclosed herein. An example apparatus for wireless communication includes a housing and a display device supported by the housing. The example display device includes at least a glass cover and a panel positioned between the glass cover and an internal surface of the housing. The panel may be configured to output graphical content for presentment on the glass cover via pixels arranged within a visible area of the panel. The example apparatus also includes an antenna array. The antenna array may be configured to facilitate wireless communication at the apparatus. The antenna array may be positioned to overlap a portion of the visible area of the panel and configured to allow graphical content output by the panel to display on the glass cover at the overlapped portion of the visible area.

Abstract: Methods, systems, and devices for wireless communication are described. According to one or more aspects, the described apparatus includes one or more stacks of patch radiators (such as patch antennas) comprising at least a first patch radiator and a second patch radiator. The first patch radiator is associated with a low-band frequency; the second patch radiator is associated with a high-band frequency. The first patch radiator and the second patch radiator may overlap a ground plane, which may be asymmetric. Some or all patch radiators in a stack may be rotated relative to the ground plane, such that some or all edge of a patch radiator may be nonparallel with one or more edges of the ground plane. Further, each patch radiator stack may include separate feeds for each of at least two frequencies and two polarizations, and thus at least four feeds (one for each frequency/polarization combination) in total.

Abstract: An antenna is described. The antenna includes a first plurality of first elements. Each of the first elements is dual polarized and configured to support a first set of bands and a second set of bands that is mutually exclusive from the first set of bands. The antenna also includes a second plurality of second elements. Each of the second elements is dual polarized and configured to support the second set of bands. The second plurality of second elements is interleaved with the first plurality of first elements.

Abstract: Methods, systems, and devices for wireless communication are described. According to one or more aspects, the described apparatus includes one or more stacks of patch radiators (such as patch antennas) comprising at least a first patch radiator and a second patch radiator. The first patch radiator is associated with a low-band frequency; the second patch radiator is associated with a high-band frequency. The first patch radiator and the second patch radiator may overlap a ground plane, which may be asymmetric. Some or all patch radiators in a stack may be rotated relative to the ground plane, such that some or all edge of a patch radiator may be nonparallel with one or more edges of the ground plane. Further, each patch radiator stack may include separate feeds for each of at least two frequencies and two polarizations, and thus at least four feeds (one for each frequency/polarization combination) in total.

Abstract: An antenna system includes: a first antenna element configured to transduce between second wireless energy and second transmission-line-conducted energy, wherein the first and second wireless energy are of first and second polarizations of the first antenna element and in first and second directions that are different and define a first plane; and a second antenna element configured to transduce between third wireless energy and third transmission-line-conducted energy and between fourth wireless energy and fourth transmission-line-conducted energy, wherein the third and fourth wireless energy are of first and second polarizations of the second antenna element and in third and fourth directions that are different and define a second plane that is substantially orthogonal to the first plane.

Abstract: Designs and techniques for manufacturing microelectronic antenna tuners are provided. An example microelectronic antenna system includes a radio frequency integrated circuit comprising a plurality of radio frequency signal ports disposed in a first area, a plurality of tuning devices disposed in a second area of the radio frequency integrated circuit, at least one antenna element disposed on a substrate coupled to the radio frequency integrated circuit, and at least one feedline disposed in the substrate and configured to communicatively couple the at least one antenna element, at least one of the plurality of tuning devices, and one of the plurality of radio frequency signal ports.

Abstract: Devices and methods for detection of active return loss for an antenna element of a plurality of antenna elements of a phased array antenna are provided. An exemplary device can convert a voltage differential at an input of a power amplifier (PA) to first current. The device can convert a coupled voltage corresponding to a signal transmitted from the PA to a respective antenna element, to a second current. The device can convert a reflected voltage corresponding to a signal reflected from the respective antenna element, to a third current. The device can convert the first current, the second current, and the third current to an output voltage at a generator output. The device can further have a controller that can adaptively generate codebooks for transmission based on the output voltage.

Abstract: Techniques are provided for improving the performance of a multi-band antenna in a wireless device. An example wireless device includes at least one radio frequency integrated circuit, and at least one patch antenna operably coupled to the at least one radio frequency integrated circuit, including a first patch operably coupled to the at least one radio frequency integrated circuit, a ground plane disposed below the first patch, and a plurality of via wall structures disposed around the first patch, wherein each of the plurality of via wall structures is electrically coupled to the ground plane.

Abstract: An antenna is described. The antenna includes a first plurality of first elements. Each of the first elements is dual polarized and configured to support a first set of bands and a second set of bands that is mutually exclusive from the first set of bands. The antenna also includes a second plurality of second elements. Each of the second elements is dual polarized and configured to support the second set of bands. The second plurality of second elements is interleaved with the first plurality of first elements.

Abstract: An electronic device includes a first antenna, a second antenna, and a device cover. The first antenna may be configured to transmit or receive signals at a first frequency, and the second antenna may be configured to transmit or receive signals at a second frequency. The device cover may be configured to enclose at least a portion of the device, and may have a first thickness in a first area and a second thickness in a second area. The first area may be substantially aligned with a boresight of the first antenna, and the second area may be substantially aligned with a boresight of the second antenna. The first thickness may be different than the second thickness.

Abstract: An apparatus is disclosed for a hybrid wireless transceiver architecture that supports multiple antenna arrays. In an example aspect, the apparatus includes a first antenna array, a second antenna array, and a wireless transceiver. The wireless transceiver includes first dedicated circuitry dedicated to the first antenna array and second dedicated circuitry dedicated to the second antenna array. The wireless transceiver also includes shared circuitry that is shared with both the first antenna array and the second antenna array.

Abstract: Techniques are provided for improving the performance of a multi-band antenna in a wireless device. An example wireless device includes at least one radio frequency integrated circuit, and at least one patch antenna operably coupled to the at least one radio frequency integrated circuit, including a first patch operably coupled to the at least one radio frequency integrated circuit, a ground plane disposed below the first patch, and a plurality of via wall structures disposed around the first patch, wherein each of the plurality of via wall structures is electrically coupled to the ground plane.

Abstract: An electronic device includes a first antenna, a second antenna, and a device cover. The first antenna may be configured to transmit or receive signals at a first frequency, and the second antenna may be configured to transmit or receive signals at a second frequency. The device cover may be configured to enclose at least a portion of the device, the and may have a first thickness in a first area and a second thickness in a second area. The first area may be substantially aligned with a boresight of the first antenna, and the second area may be substantially aligned with a boresight of the second antenna. The first thickness may be different than the second thickness.

Abstract: An antenna module is described. The antenna module include a ground plane in a multilayer substrate. The antenna module also includes a mold on the multilayer substrate. The antenna module further includes a conductive wall separating a first portion of the mold from a second portion of the mold. The conductive wall is electrically coupled to the ground plane. A conformal shield may be placed on a surface of the second portion of the mold. The conformal shield is electrically coupled to the ground plane.

Abstract: Devices and methods for detection of active return loss for an antenna element of a plurality of antenna elements of a phased array antenna are provided. An exemplary device can convert a voltage differential at an input of a power amplifier (PA) to first current. The device can convert a coupled voltage corresponding to a signal transmitted from the PA to a respective antenna element, to a second current. The device can convert a reflected voltage corresponding to a signal reflected from the respective antenna element, to a third current. The device can convert the first current, the second current, and the third current to an output voltage at a generator output. The device can further have a controller that can adaptively generate codebooks for transmission based on the output voltage.