A small cell base station antenna includes a tubular reflector that has at least first through fourth faces that each face in different directions. The antenna further includes first through fourth arrays of radiating elements that are mounted on the respective first through fourth faces of the tubular reflector. The antenna also includes a passive beamforming network that has first through fourth outputs that are coupled to the respective first through fourth arrays of radiating elements.

Aspects of the present disclosure may be directed to a reconfigurable antenna system including a reconfigurable antenna capable of providing various types of radiation patterns without having to be replaced or needing its orientation changed. The reconfigurable antenna may create various types of quasi-omni directional radiation patterns of different shapes depending on the environment.

A method and apparatus for performing satellite signal acquisition are described. In one embodiment, a method for using a satellite antenna comprises estimating antenna orientation when the antenna is in motion, including estimating yaw using one or more sensors; and performing signal acquisition to search for a satellite signal with the satellite antenna by interleaving a plurality of signal searches performed by the satellite antenna, the plurality of signal searches being based on an estimated yaw.

An example antenna system includes a plurality of driven elements and at least one dielectric antenna array. The at least one dielectric antenna array include a central hub. Each driven element extends transversely through the central hub. The at least one dielectric antenna array further includes a plurality of dielectric rods extending outwards from the central hub. Each dielectric rod is driven by a respective one of the driven elements. The antenna system further includes a control circuit coupled to the at least one dielectric antenna array to switch the driven elements to drive one or more of the dielectric rods to transmit or receive radio frequency (RF) waves.

A method for operating a reception point includes receiving a plurality of first directional reference signals spanning a first plane, selecting at least one first directional reference signal from the plurality of received first directional reference signals that meets a first selection criterion, sending a first feedback indicating the selected at least one first directional reference signal, receiving a plurality of second directional reference signals spanning a second plane oriented in accordance with the selected at least one first directional reference signal, selecting at least one second directional reference signal from the plurality of received second directional reference signals that meet a second selection criterion, and sending a second feedback indicating the selected at least one second directional reference signals.

An antenna array (10) is provided. Said antenna array (10) comprises a main plane comprising multiple antenna elements (11, 12, 13, 14, 15, 16, 17), and at least one further plane being substantially parallel to the main plane. In this context, each of at least one subset (11, 13, 15, 17) of the multiple antenna elements (11, 12, 13, 14, 15, 16, 17) is adapted such that at least one outer portion of each antenna element of said at least one subset (11, 13, 15, 17) is continued in at least one of the least one further plane.

Aspects of the subject disclosure may include, selecting a first segment from a plurality of selectable segments of an array of dielectric antennas, where the first segment corresponds to a first set of one or more dielectric antennas from the array of dielectric antennas coupled to a first set of launchers, directing the first set of launchers to launch first electromagnetic waves directed to the first set of one or more dielectric antennas to generate a first beam pattern, selecting a second segment from the plurality of selectable segments, where the second segment corresponds to a second set of one or more dielectric antennas from the array of dielectric antennas coupled to a second set of launchers, and directing the second set of launchers to launch second electromagnetic waves directed to the second set of one or more dielectric antennas to generate a second beam pattern. Other embodiments are disclosed.

An antenna includes a director-reflector unit, which includes two radiation elements, and a switch, and a main element configured to transmit and receive a signal. Total electrical length of the two radiation elements is greater than one half of a wavelength corresponding to an operating frequency band of the antenna, and electrical length of either of the two radiation elements is less than one half of the wavelength corresponding to the operating frequency band of the antenna. The two radiation elements are coupled using the switch and the director-reflector unit is used as a reflector and configured to reflect the signal transmitted and received by the main element when the switch is switched on, and the two radiation elements are decoupled and the director-reflector unit is used as a director and configured to direct the signal transmitted and received by the main element when the switch is switched off.

Systems and methods for detecting and reducing signal interference affecting wireless communication with a mobile vehicle includes generating an interference signature based on a correlation multiple signal-quality characteristics of a desired target-signal that is received at an antenna assembly attached to the mobile vehicle, and adjusting the orientation of the antenna assembly based on a change or degradation in the interference signature to thereby improve wireless communication with the vehicle.

A radar system having a transmitting antenna including a plurality of linear arrays of transmitting antenna elements arranged on a generatrix of a truncated cone or on a cylindrical surface; a signal generator block operatively connected to the transmitting antenna and adapted to feed the transmitting antenna; a receiving antenna having a plurality of groups of linear arrays of receiving antenna elements arranged on the generatrix of the truncated cone or on the cylindrical surface, in which each group of linear arrays of receiving antenna elements is circumferentially interposed between a first and a second linear array of transmitting antenna elements; a signal processor operatively connected to the receiving antenna, where the signal generator block is adapted and configured to feed the transmitting antenna so that the first and the second linear arrays of transmitting antenna elements emit a first and a second electromagnetic radiation, respectively, at a first and a second frequencies different from each other.