An antenna with multi frequency ranges for communication in more bandwidths includes a dielectric substrate, a first subantenna, a second subantenna, a third subantenna, and first, second, and third isolators. The first to third subantennas are connected to the dielectric substrate and connect with signal sources. The first to third isolators are connected to the dielectric substrate and arranged to be between the first to third subantennas, to improve signal isolation between the subantennas. The application also provides an electronic device with the antenna having multiple frequency ranges. The antenna and the electronic device with the antenna enjoys reduced cross-interference between signals of the first subantenna, the second subantenna, and the third subantenna. The disclosure also provides an electronic device with the antenna.

A secondary reflector is provided which has structural strength based on the hexagonal design and which show frequency selective features and low insertion loss. The antenna system includes a main reflector at which an incoming RF signal from a signal source reaches, a secondary reflector at which the incoming RF signal reaches by being reflected from the main reflector, a second antenna feed to which a transmitted RF signal through the secondary reflector is directed and a first antenna feed to which a reflected RF signal from the secondary reflector is directed. The surface of the secondary reflector has a dielectric support layer with hexagonal holes and a frequency selective surface located on the support layer and having circular rings.

In a first aspect of the present disclosure, an antenna includes: a ground plane; a central support extending from the ground plane, the central support having two feeding probes, each of the feeding probes having a first part and a second part, each of the first part and the second part being separated from one another and from the first and second parts of the other feeding probe; and four radiating arms, one radiating arm extending from each of the first and second parts of each feeding probe, wherein at least a portion of at least two of the radiating arms extends in directions different from orientations of their respective parts of the feeding probes. In a second aspect, an antenna array includes: a plurality of antennas disposed in an array on a common ground plane, wherein each of the antennas comprises: a central support extending from the common ground plane, the central support having two feeding probes, each of the feeding probes having a first part and a second part, each of the first part and the second part being separated from one another and from the first and second parts of the other feeding probe; and four radiating arms, one radiating arm extending from each of the first and second parts of each feeding probe, wherein at least a portion of at least two of the radiating arms extends in directions different from orientations of their respective parts of the feeding probes.

Embodiments of the present disclosure provide an antenna, including a first antenna portion and a detachable second antenna portion that is connected to the first antenna portion, where the first antenna portion includes a first radome and a first reflection plate disposed in the first radome, the second antenna portion includes a second radome and a second reflection plate disposed in the second radome, and a working surface of the first reflection plate and a working surface of the second reflection plate are coplanar; and a plurality of antenna arrays on the working surface of the first reflection plate and a plurality of antenna arrays on the working surface of the second reflection plate are configured to construct different types of antennas based on a quantity of frequency bands and a quantity of transmit and receive channels that are configured for the antenna.

Embodiments of the present disclosure provide an antenna, including a first antenna portion and a detachable second antenna portion that is connected to the first antenna portion, where the first antenna portion includes a first radome and a first reflection plate disposed in the first radome, the second antenna portion includes a second radome and a second reflection plate disposed in the second radome, and a working surface of the first reflection plate and a working surface of the second reflection plate are coplanar; and a plurality of antenna arrays on the working surface of the first reflection plate and a plurality of antenna arrays on the working surface of the second reflection plate are configured to construct different types of antennas based on a quantity of frequency bands and a quantity of transmit and receive channels that are configured for the antenna.

The antenna system and the method receive signals having radio frequencies in a plurality of radio frequency bands. The antenna system includes a support assembly, a primary reflector that is coupled to the support assembly, a feed assembly that is movably coupled to the support assembly, and a first feed and a second feed fixedly coupled to the feed assembly. The first feed and the second feed are configured to communicate RF signals in a first frequency band and a second frequency band, respectively, of the plurality of frequency bands. The antenna system also includes a first actuator that is configured to move the feed assembly from a first feed assembly position, where the first feed is positioned along a first signal path with the primary reflector, to a second feed assembly position, where the second feed is positioned along a second signal path with the primary reflector.

An antenna element includes a substrate, a first vertically polarized dipole antenna, a second vertically polarized dipole antenna, a reflector and a first feeding structure. The substrate has a ground plate. The first vertically polarized dipole antenna includes a first antenna branch and a second antenna branch that are disposed in the substrate at an interval. The second vertically polarized dipole antenna includes a third antenna branch and a fourth antenna branch that are disposed in the substrate at an interval. The reflector includes several reflection pillars that are arranged in the substrate at intervals along a parabola. The first feeding structure electrically connects each of the first antenna branch, the second antenna branch, the third antenna branch, and the fourth antenna branch to the ground plate.

An antenna element includes a substrate, a first vertically polarized dipole antenna, a second vertically polarized dipole antenna, a reflector and a first feeding structure. The substrate has a ground plate. The first vertically polarized dipole antenna includes a first antenna branch and a second antenna branch that are disposed in the substrate at an interval. The second vertically polarized dipole antenna includes a third antenna branch and a fourth antenna branch that are disposed in the substrate at an interval. The reflector includes several reflection pillars that are arranged in the substrate at intervals along a parabola. The first feeding structure electrically connects each of the first antenna branch, the second antenna branch, the third antenna branch, and the fourth antenna branch to the ground plate.

The disclosure provides a wireless communications systems that uses a polybeam geometry. A polybeam communications network, a polybeam antenna, a method of communicating are disclosed. In one example, the polybeam communications network includes: (1) a first communications structure, (2) first transceivers, and (3) a first polybeam antenna attached to the first communications structure that transmits first communication beams driven by corresponding ones of the first transceivers, having arcs of less than twenty degrees each and defining overlapping territories of coverage.

A phased array beamformer circuit is connectible to an array of antenna elements and has one or more of radio frequency (RF) input/output ports. One or more splitter-combiners each have a combined port connected to a respective one of the one or more RF input/output ports and one or more split ports. One or more transmit/receive chains are each connected to a respective one of the split ports of the splitter-combiners and to a respective one of the antenna elements of the array. An RF calibration and test circuit has one or more calibration and test ports, each corresponding to given ones of the antenna elements of the array and are selectively connectible to the transmit/receive chain to which the given ones of the antenna elements is associated.