An antenna for wireless communication includes a spherical reflector and one or more feeds. The spherical reflector includes an inner portion made of material that reflects radiofrequency (RF) beams, and an outer portion positioned on an edge of the inner portion, the outer portion being made of metamaterials that can be controlled to be reflective of or transparent to RF beams. The one or more feeds are configured to form one or more RF beams reflected off the spherical reflector. In some implementations, the antenna includes one or more processors configured to form one or more RF beams using the one or more feeds, and control at least a part of the outer portion of the spherical reflector to reflect an RF beam of the one or more RF beams or be transparent to the RF beam based on the one or more RF beam.

An antenna for wireless communication includes a spherical reflector and one or more feeds. The spherical reflector includes an inner portion made of material that reflects radiofrequency (RF) beams, and an outer portion positioned on an edge of the inner portion, the outer portion being made of metamaterials that can be controlled to be reflective of or transparent to RF beams. The one or more feeds are configured to form one or more RF beams reflected off the spherical reflector. In some implementations, the antenna includes one or more processors configured to form one or more RF beams using the one or more feeds, and control at least a part of the outer portion of the spherical reflector to reflect an RF beam of the one or more RF beams or be transparent to the RF beam based on the one or more RF beam.

A radome-reflector assembly includes a generally domed reflector having a peripheral rim and a radome assembly. The radome assembly includes: an annular ring having a front wall and a side wall: a disk that fits within the ring: and an RF-compliant absorber, wherein the rim of the reflector fits within the side wall. The radome assembly further comprises a clip that engages the rim and the ring to secure the reflector to the radome assembly.

A radome-reflector assembly includes a generally domed reflector having a peripheral rim and a radome assembly. The radome assembly includes: an annular ring having a front wall and a side wall: a disk that fits within the ring: and an RF-compliant absorber, wherein the rim of the reflector fits within the side wall. The radome assembly further comprises a clip that engages the rim and the ring to secure the reflector to the radome assembly.

According to one or more embodiments, a wireless tag reader includes a first shield member, a second shield member, an antenna, and a reader. The first and second shield members face each other across a reading area through which a wireless tag can pass. Each of the first and second shield members has a reflective surface that reflects a radio wave incident thereon toward the reading area. The antenna is between the reading area and the reflective surface of one of the first and second shield members. The antenna radiates and receives radio waves to communicate with the wireless tag. The reader reads data stored in the wireless tag based on radio waves received from the wireless tag by the antenna.

An antenna module includes an antenna and a periodic structure. The periodic structure is disposed on one side of the antenna, and includes a plural first pillars, a plural first bridge members, and a plural second pillars. The plural first pillars are arranged at intervals along a one-dimensional array. The plural first bridge members are arranged at intervals along the one-dimensional array, and are connected to a side of the plural first pillars away from the antenna, wherein the plural first bridge members define a second virtual layer. The plural of second pillars are arranged at intervals in parallel with the first pillars and are connected to a side of the plural first bridge members away from the antenna. Each of the second pillars each of and the first pillars adjacent thereto have an offset from each other in the direction perpendicular to the second virtual layer.

Methods and apparatuses for improving satellite broadcasting services by enhancing set-top box (STB) signal reception during weather conditions that obstruct the transmission of RF signals from one or more satellites to a receiving antenna (e.g., a dish antenna) are described. To prevent loss of satellite broadcasting services, an enhanced STB signal system may be arranged between the receiving antenna and an STB in order to provide an enhanced signal to the STB in the event that the RF signals received by the receiving antenna are not able to be decoded. The enhanced STB signal system may transmit an enhanced signal to the STB instead of a signal that was only derived from the receiving antenna. The enhanced signal may comprise a combination of signals that derive from other receiving antennas different from the receiving antenna, as well as the signal derived from the receiving antenna.

Methods and apparatuses for improving satellite broadcasting services by enhancing set-top box (STB) signal reception during weather conditions that obstruct the transmission of RF signals from one or more satellites to a receiving antenna (e.g., a dish antenna) are described. To prevent loss of satellite broadcasting services, an enhanced STB signal system may be arranged between the receiving antenna and an STB in order to provide an enhanced signal to the STB in the event that the RF signals received by the receiving antenna are not able to be decoded. The enhanced STB signal system may transmit an enhanced signal to the STB instead of a signal that was only derived from the receiving antenna. The enhanced signal may comprise a combination of signals that derive from other receiving antennas different from the receiving antenna, as well as the signal derived from the receiving antenna.

An antenna assembly tunable from remote comprising a main reflector a sub-reflector associated with the main reflector, and a feed adapted receive transmission illuminating the main reflector via the sub-reflector, or to transmit transmission to the main reflector via the sub-reflector. The sub-reflector comprising a plurality of actuators disposed over and attached to its outer face. Each of the actuators is adapted to locally deform the surface of the sub-reflector adjacent to that actuator in response to a change in the actuator position.

An antenna assembly tunable from remote comprising a main reflector a sub-reflector associated with the main reflector, and a feed adapted receive transmission illuminating the main reflector via the sub-reflector, or to transmit transmission to the main reflector via the sub-reflector. The sub-reflector comprising a plurality of actuators disposed over and attached to its outer face. Each of the actuators is adapted to locally deform the surface of the sub-reflector adjacent to that actuator in response to a change in the actuator position.