A customer premise equipment (CPE), a method for antenna control, and a computer-readable storage medium are provided in an implementation of the present disclosure. The CPE includes a millimeter-wave antenna, a radio frequency (RF) circuit, a driving module, and a processor. The processor is configured to perform the following. Control the driving module to drive, according to an interval stepping strategy, the millimeter-wave antenna to rotate to perform interval scan on multiple blocks, and correspondingly obtain network information measured in each of the blocks to obtain multiple pieces of network information measured. Determine a target block for the millimeter-wave antenna according to the multiple pieces of network information measured. Control, in the target block, the driving module to drive, according to a preset rotation stepping, the millimeter-wave antenna to rotate to obtain a target orientation. Control the millimeter-wave antenna to rotate to the target orientation.

A wireless tag that is not guaranteed to be located within a predetermined area is prevented from being read as a valid wireless tag. A communication device includes: an antenna; a reference tag; a reception unit; and a determination unit. The reception unit uses the antenna to sequentially receive signals wirelessly transmitted from a reference tag whose relative position to the antenna is known and a reading target tag different from the reference tag. The determination unit determines that the signal transmitted from the reading target tag and received by the reception unit is invalid based on a phase of the signal transmitted from the reference tag and received by the reception unit.

A multi-band antenna system that includes a first antenna array and a second antenna array. The first antenna array includes a plurality of lens sets, each including a lens and feed element(s) configured to transmit and/or receive electromagnetic signals that pass through the lens. The second antenna array includes a plurality of antenna elements, each disposed between two of the lenses of the first array.

In one embodiment, an antenna assembly is described. The antenna assembly includes and antenna and an antenna positioner coupled to the antenna. The antenna positioner includes a single drive interface and a plurality of gears. The plurality of gears rotate in a first manner in response to a first drive direction applied through the single drive interface, and rotate in a second manner in response to a second drive applied through the single drive interface. The antenna positioner also includes a threaded rod that moves in a first rod direction and a second rod direction in response to rotation of the plurality of gears in the first manner and the second manner respectively. The antenna positioner also includes a tilt plate contacting the threaded rod. The tilt plate tilts about a pivot line in response to movement of the threaded rod to move a beam of the antenna in a spiral pattern.

In one embodiment, an antenna assembly is described. The antenna assembly includes and antenna and an antenna positioner coupled to the antenna. The antenna positioner includes a single drive interface and a plurality of gears. The plurality of gears rotate in a first manner in response to a first drive direction applied through the single drive interface, and rotate in a second manner in response to a second drive applied through the single drive interface. The antenna positioner also includes a threaded rod that moves in a first rod direction and a second rod direction in response to rotation of the plurality of gears in the first manner and the second manner respectively. The antenna positioner also includes a tilt plate contacting the threaded rod. The tilt plate tilts about a pivot line in response to movement of the threaded rod to move a beam of the antenna in a spiral pattern.

A method for optimizing the elevational pointing of an antenna of an airborne radar system at an altitude h includes an antenna and processing and calculation means, the method comprising: a. selecting an area of interest b. calculating atmospheric losses L.sub.ref at a reference altitude h.sub.ref at the reference range D.sub.ref and calculating a reference criterion K.sub.ref=−40 log.sub.10 (D.sub.ref); c. for each possible elevational pointing distance of the antenna D.sub.pt from the area of interest, calculating the antenna elevation S that makes it possible to target the distance D.sub.pt via the centre of the antenna; d. for each distance D from the region of interest, calculating the angle θ at which the antenna observes the point of the ground at the distance D and calculating a criterion; 1. K(D)=G.sub.e(θ)+G.sub.r(θ)−40 log.sub.10 D+L.sub.ref(h.sub.ref,D.sub.ref)−L.sub.atmo(h,D) 2. where G.sub.e(θ),G.sub.r(θ) are respectively the gains of the antenna that are normalized at emission and at reception; e. calculating all of the distances D that, for this pointing distance D.sub.pt, satisfy the relationship K(D)>K.sub.ref so as to obtain the start and the end of the sub-swath actually able to be used by the radar system; and calculating the actually usable sub-swaths that are to be juxtaposed (A, B, C) in order to cover the whole of the area of interest without discontinuities.

A method for optimizing the elevational pointing of an antenna of an airborne radar system at an altitude h includes an antenna and processing and calculation means, the method comprising: a. selecting an area of interest b. calculating atmospheric losses L.sub.ref at a reference altitude h.sub.ref at the reference range D.sub.ref and calculating a reference criterion K.sub.ref=−40 log.sub.10 (D.sub.ref); c. for each possible elevational pointing distance of the antenna D.sub.pt from the area of interest, calculating the antenna elevation S that makes it possible to target the distance D.sub.pt via the centre of the antenna; d. for each distance D from the region of interest, calculating the angle θ at which the antenna observes the point of the ground at the distance D and calculating a criterion; 1. K(D)=G.sub.e(θ)+G.sub.r(θ)−40 log.sub.10 D+L.sub.ref(h.sub.ref,D.sub.ref)−L.sub.atmo(h,D) 2. where G.sub.e(θ),G.sub.r(θ) are respectively the gains of the antenna that are normalized at emission and at reception; e. calculating all of the distances D that, for this pointing distance D.sub.pt, satisfy the relationship K(D)>K.sub.ref so as to obtain the start and the end of the sub-swath actually able to be used by the radar system; and calculating the actually usable sub-swaths that are to be juxtaposed (A, B, C) in order to cover the whole of the area of interest without discontinuities.

An antenna arrangement includes a directional antenna assembly, the directional antenna assembly comprising a directional antenna intended to be mounted on an interface delimited by a stationary support structure, the directional antenna generally extending according to a main axis perpendicular to the plane defined by the interface, wherein the antenna arrangement further comprises a rotatable base mounted on the interface, the rotatable base comprising a pole integral with the rotatable base, the pole extending in the direction of the main axis, the rotatable base being rotatable about the main axis 11, a rotation of the rotatable base actuating the rotation of the pole about the main axis.

An antenna arrangement includes a directional antenna assembly, the directional antenna assembly comprising a directional antenna intended to be mounted on an interface delimited by a stationary support structure, the directional antenna generally extending according to a main axis perpendicular to the plane defined by the interface, wherein the antenna arrangement further comprises a rotatable base mounted on the interface, the rotatable base comprising a pole integral with the rotatable base, the pole extending in the direction of the main axis, the rotatable base being rotatable about the main axis 11, a rotation of the rotatable base actuating the rotation of the pole about the main axis.

The present disclosure relates to an antenna device for a vehicle for optimizing the signal strength or quality from a mobile network having at least one fixed transceiver. The device comprises: at least one directional antenna; at least one turning device, such as an electric motor, for rotating the directional antenna around an axis substantially perpendicular to the antenna boresight; and a microprocessor configured to calculate an azimuthal rotation angle for pointing the directional antenna to at least one selected fixed transceiver. The calculated azimuthal rotational angle is based on: directional and positional data of the vehicle; positional data of the selected fixed transceivers; and a route for navigating the vehicle between a starting point and a destination. The azimuthal rotation angle of the directional antenna is calculated continuously or at intervals, such that the signal strength or quality from the mobile network is continuously optimized along the route. The present disclosure is further related to a directional wireless hotspot device for communication in a mobile network, wherein the device comprises at least two directional antennas. The present disclosure further relates to a method for automatically pointing a directional antenna on a vehicle to a fixed transceiver in a mobile network for optimizing the signal strength or quality, wherein the antenna is pointed to a transceiver based a calculated route for navigating between a starting point and a destination.