Abstract: There is disclosed a module for an antenna system, the module comprising a dielectric support and a branched electrically conductive pathway formed on or in the support. The pathway comprises at least three arms each having a proximal and a distal end, the proximal ends being joined together or each connected to at least one other of the at least three arms, and the distal ends being separate from each other and configured as terminals. The modules may be configured as chip antennas. A plurality of antenna modules can connected together in order to create antenna systems with particular desired characteristics.

Abstract: A modular radio-antenna device comprising first and second separable modules, the first module containing all radio and radio-frequency front-end components of the device, and the second module containing only antenna components of the device, the first and second modules being provided with means for physical and electrical interconnection with each other.

Abstract: The present invention relates to an antenna structure comprising a dielectric pellet and a dielectric substrate with upper and lower surfaces and at least one groundplane, wherein the dielectric pellet is elevated above the upper surface of the dielectric substrate such that the dielectric pellet does not directly contact the dielectric substrate or the groundplane, and wherein the dielectric pellet is provided with a conductive direct feed structure. A radiating antenna component is additionally provided and arranged so as to be excited by the dielectric pellet. Elevating the dielectric antenna component so that it does not directly contact the groundplane or the dielectric substrate significantly improves bandwidth of the antenna as a whole.

Abstract: An integrated antenna device comprising a first, dielectric antenna component and a second, electrically-conductive antenna component, wherein the first and second components are not electrically connected to each other but are mutually arranged such that the second component is parasitically driven by the first component when the first component is fed with a predetermined signal.

Abstract: An integrated antenna device comprising a first, dielectric antenna component (1) and a second, electrically-conductive antenna component (9), wherein the first and second components are not electrically connected to each other but are mutually arranged such that the second component is parasitically driven by the first component when the first component is fed with a predetermined signal.

Abstract: There is disclosed an antenna device comprising a pair of physically and electrically symmetrical radiating elements configured for cooperative operation as a balanced antenna, and a third radiating element configured for operation as an unbalanced antenna The balanced antenna may be configured for operation in a first frequency band, and the unbalanced antenna may be configured for operation in a second frequency band Embodiments of the disclosed antenna device provide multiband operation close to a conductive groundplane and are strongly resistant to detuning.

Abstract: There is disclosed a dielectric resonator antenna adapted to resonate in an EH11? resonance mode, and also a method for the manufacture thereof. The desired resonance mode is achieved by careful positioning of a dielectric resonator (2) on a grounded substrate (1), the resonator (2) being fed by way of a microstrip feed line (9) and a slot (6) in the grounded substrate (1). Because the EH11? resonance mode has nulls in a direction of longitudinal extension of the dielectric resonator (2), a plurality of antenna can be placed end-to-end so as to form an array with reduced coupling between adjacent antennas and with vertical polarisation, which is desirable for mobile communications applications.

Abstract: There is disclosed an antenna device including a dielectric substrate having a first, upper surface and a second, lower surface, a conductive groundplane on the second surface or located between the first and second surfaces. At least two conductive feedlines are formed on the first surface and extend from feed points to predetermined radiating points at edge or corner parts of the first surface. The groundplane does not extend under the radiating points. The groundplane is configured as to extend between the radiating points and the feedlines are widened at the radiating points and/or are provided with discrete dielectric elements at the radiating points. The antenna device provides broadband performance and good diversity within a small space.

Abstract: A dielectric antenna comprising a dielectric element mounted on a first side of a dielectric substrate, a microstrip feed located on the first side of the substrate and extending between the substrate and the dielectric element, and a conductive layer formed on a second side of the substrate opposed to the first, wherein an aperture is formed in the conductive layer at a location corresponding to that of the dielectric element. The antenna is electrically small, has wide bandwidth and good gain characteristics, is efficient and not easily detuned.

Abstract: A multi-polarisation dielectric resonator antenna (1) having three mutually orthogonal feeds (5a, 5b, 5c) displaying C3V point group symmetry is disclosed. The antenna (1) may be operated so as to determine the polarisation of any incoming signal, since the three feeds (5a, 5b, 5c) have polarisations at 120 degrees to each other. Furthermore, a plurality of mult dielectric resonator antennas (1) may be formed into a composite dielectric resonator antenna with beamsteering, direction feeding and polarisation detection capability over a full 4? streradians.

Abstract: A multi-polarisation dielectric resonator antenna (1) having three mutually orthogonal feeds (5a, 5b, 5c) displaying C3V point group symmetry is disclosed. The antenna (1)may be operated so as to determine the polarisation of any incoming signal, since the three feeds (5a, 5b, 5c) have polarisations at 120 degrees to each other. Furthermore, a plurality of multi-polarisation dielectric resonator antennas (1) may be formed into a composite dielectric resonator antenna with beamsteering, direction feeding and polarisation detection capability over a full 4&pgr; streradians.

Abstract: A radiating antenna capable of generating or receiving radiation using a plurality of dielectric resonator segments disposed in a circular array is disclosed. The purpose of using multiple dielectric resonator segments within a single antenna system is to produce several beams each having a “boresight” (that is, a direction of maximum radiation on transmit, or a direction of maximum sensitivity on receive) in a different direction. Several such beams may be excited simultaneously to form a new beam in any arbitrary direction. The new beam may be incrementally or continuously steerable and may be steered through a complete 360 degree circle. When two segments are excited simultaneously, the antenna may have a narrower main lobe and/or a smaller backlobe than for a single segment alone. When receiving radio signals, electronic processing of such multiple beams may be used to find the direction of those signals thus forming the basis of a radio direction finding device.