Abstract: The present invention relates to an antenna mounting device configured to collectively mount a plurality of base station antennas on the same pole. The antenna mounting device comprises: a bracket (1) defining a central recess (4) in a mounted state, the central recess being configured such that the central recess (4) loosely receives the pole (3); a fastening device (2) configured to fasten the bracket (1) to the pole (3); and a plurality of connecting members (5), each of the connecting members being configured for connection with at least one of the plurality of base station antennas (6), and the connecting members having a predetermined relative position on the bracket. With such an antenna mounting device, the plurality of base station antennas can be mounted on the same pole at precise positions relative to each other.

Abstract: An antenna device includes a base, an adjusting pole perpendicularly extending up from the base, a slide apparatus slidably mounted to the adjusting pole, a supporting pole forming a rack and slidably installed in the slide apparatus along a direction perpendicular to a lengthwise of the adjusting pole, and an antenna mounted to one end of the supporting pole. The slide apparatus includes a casing and a motor installed in the casing. The casing defines two opposite guiding holes for the supporting pole extending through. The motor includes a driving roller meshing with the rack. The motor drives the driving roller to rotate and mesh with the rack to allow the antenna to move along the direction perpendicular to the slide direction of the slide apparatus.

Abstract: A wideband horizontally polarized antenna includes a metallic antenna housing having four sides, a rectangular or hourglass slot in each side that is preferably offset from center, a square coaxial transmission or feed line positioned along a central axis of the metallic antenna housing, and a metal tab connecting each of the slots to the feed line. The antenna operates over a wide bandwidth and has a small profile.

Abstract: The disclosure describes installing an antenna canister in a portion of a concealed antenna pole at a location that is below a top of the pole while the antenna pole is erect and associated components to facilitate the procedure, as well as multi-piece vertical rods, pole mounting bracket assemblies and retrofit kits.

Abstract: The invention provides an antenna arrangement for a wireless communication system arranged to have at least one transmit mode and at least one receive mode, the arrangement comprising at least three directional antennas in an antenna configuration. Each directional antenna is arranged to have an azimuthal radiation pattern shaped as a beam, each beam covering an angular sector, such that a combined radiation pattern of all beams in a first transmit mode is arranged to provide a full 360° omnidirectional coverage. By combining localization and polarization of the directional antennas an omnidirectional radiation pattern substantially without null-depths in the azimuthal plane can be created when the radiation pattern of the directional antennas are combined.

Abstract: Exemplary embodiments are disclosed of antenna mast assemblies, which may be configured for multiband operation for automobiles or other vehicular applications. In an exemplary embodiment, an antenna mast assembly generally includes a coil radiator including a first coil portion and a second coil portion. The antenna mast assembly also includes a support having a first end portion, a second end portion, a first protruding portion, and a second protruding portion. The coil radiator is disposed about at least a portion of the support such that the first coil portion is between the first protruding portion and the first end portion of the support, and such that the second coil portion is between the second protruding portion and the second end portion of the support.

Abstract: The disclosure describes installing an antenna canister in a portion of a concealed antenna pole at a location that is below a top of the pole while the antenna pole is erect and associated components to facilitate the procedure, as well as multi-piece vertical rods, pole mounting bracket assemblies and retrofit kits.

Abstract: The disclosure describes installing an antenna canister in a portion of a concealed antenna pole at a location that is below a top of the pole while the antenna pole is erect and associated components to facilitate the procedure, as well as multi-piece vertical rods, pole mounting bracket assemblies and retrofit kits.

Abstract: A communication antenna device for use in radio communication between a moving body and an access point comprises an antenna main body for transmitting and receiving a signal, a base side member of the moving body for supporting the antenna main body, and a damping mechanism provided between the base side member and the antenna main body and suppressing high frequency vibration of the antenna main body that has an impact on the radio communication. The damping mechanism includes an elastic member for absorbing high frequency vibration that has an impact on the radio communication. The elastic member has such characteristics as absorbing high frequency vibration of the antenna main body that makes changes in amplitude or frequency of a transmission signal from the antenna main body to the extent of inducing a demodulation error when the transmission signal is received at an antenna of the other party.

Abstract: A broadband cage antenna about a mast of a vessel is described, containing a first plurality of wires aligned in a substantially vertical orientation and arranged circumferentially around the mast; a second plurality of wires aligned in a substantially horizontal orientation and placed around the mast, a first wire of the second plurality of wires joining, near a top portion of the mast, all the first plurality of wires, and a second wire of the second plurality of wires joining, near a bottom portion of the mast, all the first plurality of wires; and an antenna feed coupled to the second wire of the second plurality of wires, wherein the first and second plurality of wires are electrically insulated from the mast, to form a broadband antenna having a VSWR response of less than 4 over a designated frequency range.

Abstract: Systems and methods provide a HESA (“High Efficiency Sensitivity Accuracy”) direction-finding (“DF”) antenna system that operates over a range from 2 MHz to 18 GHz. The system may include components such as a dipole array, a monopole array, and an edge-radiating antenna, each component being responsive to a specific frequency range. The system may further include biconical flares that optimally terminate a freespace wave in a small aperture.

Abstract: The mast (11) of an antenna is pivotally carried by a post (12) by a hinge assembly (13). A pedestal (33) is carried by the post (12) and is adapted to carry a winch (40) having a line (46) with a hook (47) at the end thereof. A hook mount (50) is carried by the mast (11) and is adapted to receive the hook (47) of the winch (40). A locking bracket (56) is carried by the mast (11) and is connected to the pedestal (33) when the mast (11) is positioned adjacent to the post (12). An insulator bar (29) is positioned between the mast (11) and the hinge assembly (13) and the locking bracket (56).

Abstract: An active antenna with an IP address including a first set of modules (Mi) and a second set of modules (M?j), both sets using a same hardware platform and each set integrating radiofrequency sub-modules. Further including at least an Ethernet connection to the core network for providing the active antenna with capability of operation from an anchor site, and a digital platform integrating a set of modules for base-band processing, operating in one or more of 2G, 3G and LTE technologies. The active antenna includes processing apparatus for control plane of 2G and 3G radio access networks, routing apparatus for lu, Gb or S1 data relay from/to the core network to provide the active antenna with capability of operation from a relay site. Further included is at least two optical ports for connection in chain with a pair of active antennas in the same relay site and a power supply connection.

Abstract: A multi-trunk antenna structure that includes a main trunk and a plurality of upper trunks is provided. The upper trunks extend upwardly at a desired angle from the main trunk and provide a desired girth of the structure near the top. A plurality of antennas are attached to desired upper trunks at a desired height above ground level. The antennas can be adjusted to a desire azimuth. The antenna structure can include branches so that it resembles a Eucalyptus tree, an Oak tree, or other type of tree. The trunks of the structure can provide raceways for antenna cabling.

Abstract: A transmitter unit which is disposed between the first base station and the antenna arrangement contains a device for aggregate signal forming, a D/A converter and a transmission power amplifier. The first base station is connected on the output side to the device for aggregate signal forming such that a digital output signal of the first base station reaches the device for aggregate signal forming as the first input signal. The device for aggregate signal forming is connected on the output side to the antenna arrangement via the D/A converter and the transmission power amplifier such that an aggregate signal formed by the device for sum forming reaches the antenna arrangement, the aggregate signal being formed from the first digital input signal and a second digital input signal connected to the device for aggregate signal forming.

Abstract: A system to capture a remote RFID electro magnetic interrogation of a warehouse or distribution center environment through the propitious use of an external directional antenna. The system comprises a directional external yagi antenna affixed to the exterior of the distribution center or warehouse distribution center; an electric motor attached to a boom of the external yagi antenna to enable the antenna to change direction; a directional finding equipment spliced to the circuit of the external yagi antenna, and multiple transformers, the antenna and interrogation units mounted to a ceiling of the warehouse or distribution center to modulate and reradiate signals of the remote microwave or ultra high frequency interrogation to interrogate transponders attached to articles at the articles' resonant frequency and re-radiate responses to the external yagi antenna for capture by the cellular transmission tower.

Abstract: A circularly polarized, omnidirectional, corporate-feed pylon antenna uses multiple helically-oriented dipoles in each bay, and includes a vertical and diagonal support arrangement of simple structural shapes configured to provide a frame strong enough to sustain mechanical top loads applied externally. The radiators in each bay fit within the vertical supports. The radiators are integrally formed with cross-braces, and are fed with manifold feed straps incorporating tuning paddles. A single cylindrical radome surrounds the radiative parts and the vertical supports. The antenna admits of application to the upper L-band at the full FCC-allowed ERP. Beam tilt, null fill, and vertical null can be readily accommodated.

Abstract: A tower according to embodiments of the present invention includes a monopole shell having a vertical axis, the vertical axis substantially aligned with a gravitational force, wherein at least a portion of the monopole shell has an aerodynamic shape, wherein an outer perimeter of the aerodynamic shape comprises a leading edge and a trailing edge, wherein a chord between the leading edge and the trailing edge is shorter than a distance along the outer perimeter between the leading edge and the trailing edge, and wherein a maximum dimension of the outer perimeter measured orthogonally to the chord and the vertical axis is shorter than the chord; and a base, wherein the monopole shell rotates about the vertical axis with respect to the base.

Abstract: Vertical array antenna systems can provide broadband data link operation with reduction of susceptibility to low angle multipath effects, for communication during carrier landings by aircraft and other applications. In a relatively small package, an antenna system may include a stack of sub-arrays, each including four dipoles provided as configurations of downward and upward extending dipole arm members which are vertically separated by an annular slot excited by vertical probes. Excitation of the dipoles may be provided via excitation of the annular slot by the probes. Intercoupling-reduction disk units may be positioned between vertically adjacent sub-arrays. Pattern cutoff characteristics suitable for aircraft carrier landing operations (e.g., for reliable DGPS communications) at or near the horizon may be provided by excitation of individual sub-arrays at predetermined relative levels and with pattern phase reversal between lower and upper sub-arrays.

Abstract: A device to couple an antenna array to a tower having three poles. The device includes a mast member and three support members. Each of the support members has a vertical portion and an angled portion. The angled portion is coupled to the mast member. The vertical member is operable to connect to one of the three poles and is generally aligned with the mast member.

Abstract: A lightweight rail that is bolted to the existing structure using standoff brackets. A carrier is attached to the rail to support the antenna. Once the rail and carrier are installed, access to an antenna is from the base of the rail. The rail is made of square aluminum tubing and the carrier is made of aluminum plate. In the lowered position, the carrier is readily accessible and the antenna mast can be tipped down to a horizontal position to access the antenna. The carrier and antenna are lifted using a hand winch, although a motor can be used as well. A simple cable system is used to hoist the carrier into the operable position at the top of the rail. Overall, the system is lightweight, low cost and safe to use.

Abstract: The present invention relates to an installation assembly with which a motor vehicle antenna can be fastened to the body of a motor vehicle without an additional tool. The installation assembly includes a base plate from which at least one fastening section to be introduced through an opening of the body into the interior thereof projects. Furthermore, the installation assembly includes a latch body which is to be arranged in the interior of the body, which cooperates with the fastening section and which has a support section which is spaced apart from the base plate by a clear spacing.

Abstract: A folding frame for mounting an antenna on an upstanding support structure including first and second support arms pivotally secured to an upper mounting bracket and third and fourth support arms which are pivotally secured to a lower mounting bracket with the upper and lower mounting brackets being secured to the support structure. Support members are pivotally secured to the outer ends of the support arms and are pivotally connected together so that the frame may be pivotally moved from a folded position to a non-folding position. When the frame is in its folded position, it is easily shipped on a pallet.

Abstract: The present invention is a method and apparatus to mount a satellite dish to a pole. This apparatus allows the mounting of a satellite dish without attaching the dish to the user's home or business.

Abstract: A reduced height log periodic antenna that may safely be positioned under the rotating blades of a helicopter sitting on the ground and still resonate in the frequency range at which the antenna was originally designed to resonate. The antenna comprises a pair of antenna booms, a first plurality of vertical antenna radiating elements connected to the booms, and a second plurality of vertical antenna radiating elements connected to the booms. In addition, the antenna includes a plurality of tuned horizontal antenna radiating elements, each tuned horizontal radiating element being connected to the top of one of the second plurality of vertical antenna radiating elements, and a plurality of tuned upwardly bent horizontal antenna radiating elements, each tuned upwardly bent horizontal antenna radiating element being connected to the bottom of one of the second plurality of vertical antenna radiating elements.

Abstract: An antenna system is disclosed that includes a mast, waveguides positioned about the mast, and a feed system positioned external to the mast and between adjacent waveguides, such the feed system can be easily serviced. The waveguides include radiator elements that are easy to manufacture, and thus reduce the cost associated with wideband cavity-backed antennas. Further, adjustable disc-like and spherical radiating elements for exciting the fields in the waveguides are also disclosed. DC voltage buildup on the radiating elements are grounded by an easily attachable coaxial structure.

Abstract: A universal mounting assembly that can be attached to both a cylindrical surface and a planar surface is provided according to embodiments of the present invention. The universal mounting assembly includes a top plate, a bottom plate, and a spacer. Both the top plate and the bottom plate have a pair of parallel edge portions and at least one curved edge portion that is disposed between the two parallel edge portions. The curved edge portion on the top and bottom plate contains at least one mounting tab for attaching the universal mounting assembly to a cylindrical support structure. The universal mounting assembly also includes planar mounting brackets located at each intersection of the parallel edge portions and the curved edge portion for mounting to a planar support structure. The top plate and the bottom plate are rigidly affixed to the spacer, which may be annular shaped and used to house electronic components, such as a lightning protection circuit. Other embodiments are also claimed and described.

Abstract: The present invention is a method and apparatus to mount a satellite dish to a pole. This apparatus allows the mounting of a satellite dish without attaching the dish to the user's home or business.

Abstract: A communications tower, or other structure is provided with at least one waveguide defined in a structural support. The waveguide can be used to transmit signals up and down the communications tower thereby eliminating at least some cabling.

Abstract: A damage resistant mount for an object is provided which includes a mounting plate, a first post having a first end and a second end, the first end rigidly attached and extending from the mounting plate, and a two-way, swinging, spring-loaded, self closing hinge disposed on the post. The hinge has an outside hinge leaf and an inside hinge leaf and the post is rigidly attached to the inside hinge leaf. A second post having a first and a second end is included where the first end is rigidly attached to and extends from the outside hinge leaf. An object mounting device is disposed on the second end of the second post.

Abstract: An apparatus comprised of a wind turbine tower removeably holding or containing antenna type devices. Such antenna type devices will be utilized to receive and/or transmit communication signals. The major advantage of this apparatus is that a single tower can be constructed containing the functionality of both a communications tower and a wind turbine tower. Substantial siting and construction costs may be saved by constructing one tower that can perform two functions; as opposed to siting and constructing two separate towers.

Abstract: Dual-array two-port GPS antenna systems can provide horizon to zenith reception for differential GPS applications. On a single mast, an antenna system may include a lower array of sub-arrays (e.g., fifteen sub-arrays) to provide elevation coverage from horizon up to about 55 degrees elevation and an upper array of sub-arrays (e.g., three sub-arrays) to provide elevation angle coverage from zenith down to about 55 degrees elevation. Each sub-array may be of the same construction including four dipoles positioned at different azimuth locations and configured to provide a progressive-phase-omnidirectional (PPO) azimuth pattern suitable for reception of circularly polarized signals. In a particular embodiment the three sub-arrays of the upper array have PPO azimuth patterns with differing azimuth alignments and differing excitation values to provide a desired elevation angle coverage characteristic.

Abstract: A device and method of reinforcement for towers, such as those used for electrical communications and telephonic devices, is provided. Elongated stiffening members are provided for indirect attachment to a tower by means of spacer elements. The spacer elements, which are structurally connected to the tower, provide a location for attachment of the stiffening members such that the tower is reinforced while minimizing any damage to the actual tower through the attachment of reinforcement. In one embodiment an external structural support shell, fastened concentrically about a tower, is also provided. The support shell forms an exterior wall, spaced apart from the antenna tower and fastened thereto with structural elements, such that the antenna tower is strengthened.

Abstract: A small-footprint portable modular cellular antenna site capable of being deployed on any substantially level, flat piece of ground, the cellular antenna site being easily assembled, disassembled, and moved without the aid of heavy equipment. The cellular antenna site does not require a permanent foundation, but instead is anchored by weighting with a non-damaging ballast material sufficient to support a small diameter 30 to 60 foot high antenna pole at wind speed ratings up to 100 miles per hour. The cellular antenna site includes a modular base configurable in different geometric arrangements that retains the ballast material and supports a segmented monopole antenna, an electrical cabinet, perimeter fencing with an access gate, and any auxiliary cabinets, enclosure, or shelters as may be required.

Abstract: An antenna sector frame that can collapse for easy transport and storage. The antenna frame can be packaged with all of its loose parts in a single container on a relatively flat single skid capable of being stacked in storage. The antenna frame can include a pair of face frames configured to support one or more antennas, the face frames being joined to articulate on a face frame pivot axis such that the face frames can be folded together for compact shipment and storage and opened for use.

Abstract: A system and method is provided for transmitting analog and digital signals using a single traveling wave structure with radiators attached thereto, to form broadside radiation of the digital and analog signals.

Abstract: An antenna system comprising a support structure and a multiband/multichannel wireless feeder configured for coupling antennas located proximate the top of a support structure with electronics located proximate the base of the support structure to overcome losses typically associated with coaxial cables. Such a multiband/multichannel wireless feeder includes a waveguide having a coupling at each end and a multiplexing waveguide network coupled at each end of the waveguide and configured to combine frequencies and applications.

Abstract: The present invention is a method and apparatus to mount a satellite dish to a pole. This apparatus allows the mounting of a satellite dish without attaching the dish to the user's home or business.

Abstract: An antenna system is disclosed that includes a mast, waveguides positioned about the mast, and a feed system positioned external to the mast and between adjacent waveguides, such the feed system can be easily serviced. The waveguides include spherical radiator elements that are easy to manufacture, and thus reduce the cost associated with wideband cavity-backed antennas.

Abstract: An antenna system incorporating at least two antennas circumferentially arranged with a side-by-side relationship about a monopole tower. The main beam direction of the radiation pattern emanating from each antenna may be remotely adjusted in elevation and/or azimuth. The main beam direction of the radiation pattern emanating from adjacent antennas may be varied independently. The antennas may be partitioned in one or more vertically-spaced groups each of which is arranged about a circumference of the monopole tower.

Abstract: An electronic scanning radio direction finding system for accurate direction finding of radio frequency signals using singly or doubly flared cylindrical reflectors surrounded by a circular array of inwardly facing feed horns. The array is operated as a phased array to determine the direction of origin of received signals. The feed horns can also be used to transmit RF signals on very narrowly controlled beams with minimal side lobes. The flared cylindrical reflector and its circular feed horn array may be paired with circular log periodic arrays operable at similar frequency ranges or different frequency ranges to provide more precise direction finding and direction finding of signals at frequencies beyond the range of the flared cylindrical reflector and its circular feed horn array.

Abstract: An antenna tower and support structure for use with an antenna tower, which allow a number of antennas or antenna panels to be mounted thereto, while maintaining the compactness of the overall structure and still providing high strength, such as is needed to resist high winds. The antenna tower includes an antenna support structure mounted to the antenna mast for supporting one or more antennas or antenna panels. The antenna support structure includes a bottom plate for mounting to the mast (or to another antenna support structure) and a top plate spaced from bottom plate. A beam with multiple webs extends between the bottom plate and the top plate. The beam includes a central post and a number of stiffening webs extending generally radially outwardly from the central post. The stiffening webs help to provide substantially greater stiffness against flexure and bending, without making the overall structure larger (or not much larger effectively).

Abstract: An improved antenna arrangement is subdivided at least into an upper antenna section and at least one lower antenna section. The upper section has a mounting core, the antenna elements and a radome. At least one lower antenna section is axially adjacent underneath the upper section. The lower antenna section is equipped as a service zone which has at least one access opening, which runs in the circumferential direction, to the internal area in the service zone. The radome is held and anchored elastically via at least two damping arrangements, which are offset with respect to one another in the axial direction, and/or via damping device, which are offset with respect to one another.

Abstract: An antenna assembly for wireless communications has various components to minimize signal influence when transmitting signals to minimize undesirable loop formation phenomena caused by (positive) feedback of signals. Signal wave scattering and diffraction causing back lobe radio frequency (RF) patterns are minimized by a particular antenna assembly structure having a reflector and at least one attenuating structural member, a metallic mesh wrapping the power cable of a feeder, a non-conductive antenna support structure, or any combination thereof. The dimensions of the various components, in particular the reflector and attenuators, can be varied according to desired wireless communications environment.

Abstract: An antenna mast is disclosed that has N faces, N corners that are intermediate adjacent faces, and N fins that each include a plurality of bars that extend between a first side and a second side of each fin in a direction opposite to an adjacent one of the plurality of bars. The antenna mast disclosed is lightweight, easy to maneuver and utilizes minimal raw material, while maintaining its structural integrity.

Abstract: An antenna system is disclosed that includes a mast, waveguides positioned about the mast, and a feed system positioned external to the mast and between adjacent waveguides, such the feed system can be easily serviced. The waveguides include spherical radiator elements that are easy to manufacture, and thus reduce the cost associated with wideband cavity-backed antennas.

Abstract: To provide horizon to zenith reception coverage for Differential GPS operations, two antennas with complementary patterns may be used. An antenna for high-angle coverage includes a ring of four dipoles excited to provide progressive-phase-omnidirectional (PPO) coverage. A cylindrical (e.g., octagonal) structure, with an upper edge at the diode horizontal centerline, extends upward from a ground plane section. An absorber configuration having a serrated upper edge portion extends around the dipoles above the cylindrical structure and has radiation absorption properties. For an octagonal configuration, the absorber configuration may include eight resistance card sections with triangular portions extending above the wall structure. A conical antenna pattern expanding upwardly can provide omnidirectional coverage above a selected elevation angle (e.g., above 55° elevation).

Abstract: A method of mounting an antenna to a support, the method including the steps of: a) mounting first and second clamps to the support; b) tightening the first clamp around the support; c) mounting the antenna to the first clamp; d) after step c), moving the second clamp along the support away from the first clamp into engagement with the antenna; and e) tightening the second clamp around the support. The antenna is suspended from the first clamp by gripping the antenna below its upper end; lifting the upper end of the antenna over the first clamp mounted at an elevated position; and lowering the upper end of the antenna onto the first clamp so that interlocking male and female parts of the clamp and the antenna couple together. The clamp has three or more clamping members and three or more tighteners which can each be adjusted to tighten together a respective pair of adjacent clamping members so as to tighten the clamp around the support. The clamp can be provided in kit form.

Abstract: An antenna system is disclosed that includes a mast, waveguides positioned about the mast, and a feed system positioned external to the mast and between adjacent waveguides, such the feed system can be easily serviced. The waveguides include spherical radiator elements that are easy to manufacture, and thus reduce the cost associated with wideband cavity-backed antennas.

Abstract: An antenna system is disclosed that includes a mast, waveguides positioned about the mast, and a feed system positioned external to the mast and between adjacent waveguides, such the feed system can be easily serviced. The waveguides include spherical radiator elements that are easy to manufacture, and thus reduce the cost associated with wideband cavity-backed antennas.