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WO/2004/109856A1 |
A multi-beam lens antenna for individual communication with communication satellites spaced at small elongations. The multi-beam antenna comprises antenna elements (3) each of which is composed of a waveguide having an opening at the end...
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WO/2004/105182A1 |
There is disclosed an antenna device comprising a dielectric substrate (1) with first and second opposed surfaces. A conductive ground plane (2) is formed on a first area of the second surface of the substrate (1), leaving a second area ...
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WO/2004/100308A2 |
In the first embodiment, the inventive antenna comprises four plates and four sections of a coaxial feeder. The central conductor of the first section of a coaxial feeder is connected to the first plate at a certain distance from a centr...
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WO2003081718A9 |
The invention relates to antenna devices and transmitter-receivers for network notebooks. The inventive antenna device comprises a flat substrate (2) carrying at least two fanwise oriented directional flat antennas (3) and a commutation ...
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WO/2004/095627A2 |
Each of a pair of antennas for broadcasting has multiple elements arranged vertically on the same tower. The antennas transmit circularly polarized signals of opposite polarization. The opposite circular polarization of the radiated sign...
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WO/2004/091043A1 |
folded dipole antenna elements (2, 4) are generally parallel arranged at an interval shorter than 1/2 of the wavelength used. The antenna elements (2, 4) are connected to a combiner (16) through feeders (12, 14) having different lengths....
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WO/2004/088790A1 |
A phased array antenna system with variable electrical tilt comprises an array (60) of antenna elements (60L1) etc. incorporating a divider (44) dividing a radio frequency (RF) carrier signal into two signals between which a phase shifte...
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WO/2004/088787A2 |
A novel phased array antenna assembly is hereto presented. This antenna is adapted for reducing severe radiation hazards to the human body, and is useful for transmitting and receiving signals while taking into account the indoor electro...
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WO/2004/086563A1 |
A Luneberg lens of monolayer structure or multilayer structure composed of a combination of two or more layers of different dielectric constants, the Luneberg lens produced by adding a blowing agent to a resin mixture obtained by mixing ...
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WO/2004/084347A1 |
A wireless telecommunications device is disclosed including a plurality of wireless antennas, each respectively for transmitting and/or receiving wireless signals into a predetermined sector of an omnidirectional space. A mounting struct...
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WO/2004/084341A2 |
An apparatus and associated method are disclosed which form a multiple beam forming network using time division multiplexing. Instead of having several parallel sets of beam forming network hardware running at a given sampling clock rate...
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WO/2004/082071A1 |
A system for providing independent or co-spatial antenna patterns for independent inputs from a basestation comprises a phased-array antenna having a plurality of antenna columns radiating generally redundant antenna beam patterns. The a...
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WO/2004/073206A1 |
The invention is directed to a method of communicating between a first node including a plurality of antennas and a second node, the method comprising the steps of: transmitting a signal from the first node to said second node using each...
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WO/2004/073263A1 |
A wireless network has nodes, which can be accessed by wireless terminals via wireless access links, coupled via wireless transit links using multiple directional antenna beams. The nodes are self-organizing and self-adapting as nodes ar...
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WO/2004/073114A1 |
The invention is directed to a wireless network arrangement in which nodes comprise multi-faceted multi-beam antennas and in which wireless backhaul is provided using those multi-faceted multi-beam antennas. In particular, the invention ...
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WO/2004/073111A1 |
An N-element rotational-symmetric array antenna can generate N fixed pencil-beams simultaneously with an omnidirectional beam. An N x N Butler matrix can be used to feed the array antenna, using fewer than N input ports of the Butler mat...
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WO/2004/073115A1 |
The invention provides a multiple beam antenna and a method of fabricating such an antenna. The multiple beam antenna comprises: a flexible substrate having a conductive layer; a plurality of directional antennas; and a plurality of elec...
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WO/2004/073107A1 |
An antenna arrangement for forming an omni directional beam comprising a plurality of antenna elements arranged around a structure, wherein each said element or collection of elements forms a directional beam having a polarisation which ...
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WO2004017459A9 |
A combined antenna system used for both vehicles and structures, whereby a satellite antenna is placed concentrically around a conventional mast antenna that can be used for both conventional FM radio and also terrestrial retransmission ...
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WO/2004/061475A1 |
The invention relates to an angular resolution antenna system comprising only two radar sensors (8, 9) with separate transmitter and receiver antennas. The primary beam direction and the beam opening width of the receiver antennas (1, 21...
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WO/2004/062177A2 |
A wireless system (30) minimizes nulls within the wireless system while simultaneously providing diversity. The system uses time or frequency offset on signals input to an antenna (40, 50, 60, 100) to minimize interference in regions of ...
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WO/2004/057366A1 |
A method for radar-based gauging of the level of a substance in a tank (13) having at least one interfering structure (16a-c), comprises the steps of: (i) transmitting a microwave signal in a plurality of radiation lobes (15a-b; 15a-d), ...
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WO/2004/051796A1 |
The invention relates to a two-dimensional antenna array which is characterised by the following: at least two vertically extending gaps (5a, 5b) are present in said array; a radiator arrangement is respectively provided in each of the a...
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WO/2004/046752A1 |
The invention relates to a method for creating a radar image by means of a frequency-modulated continuous wave radar, comprising the following steps: a transmission signal having at least two frequency ramps that are provided with differ...
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WO/2004/044610A1 |
A transmit and receiving system including a first array including a first plurality of antenna elements disposed to provide a transmit antenna. The system further includes a second array having a second different plurality of antenna ele...
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WO2002012916A9 |
A passive MMIC monopluse comparator includes a plurality of lumped element hybrids having pi an T filter structures. In one embodiment, a first hybrid receives first and second downcoverted signals and provides a first output signal to a...
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WO/2004/040694A1 |
The invention concerns a system comprising a device for focusing electromagnetic waves, and a multiple-beam antenna. The antenna comprises: a photonic bandgap material (20) having at least one band gap, at least one periodicity defect (3...
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WO/2004/040696A1 |
The invention concerns a multibeam antenna comprising: a photonic bandgap material (20) having at least one band gap; at least on e periodicity defect so as to produce at least one narrow bandwidth inside said at least one band gap of sa...
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WO/2004/040930A1 |
Systems and methods for use in CDMA antenna systems are provided in which signals each having a common overhead component are transmitted on a set of adjacent beams of a sector with a micro-timing offset between signals transmitted on ad...
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WO/2004/040695A1 |
The invention concerns a frequency multiband antenna comprising: a photonic bandgap material (142) having at least one band gap, one single periodicity defect (156) of the bandgap material so as to produce several narrow bandwidths withi...
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WO/2004/034508A2 |
An apparatus, system and method for transmitting packets over a wireless network, wherein the packet identifies an antenna and/or antenna element (904) among a plurality of antenna and/or antenna elements (904) for transmitting the packe...
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WO/2004/030239A1 |
The present invention disclosed a smart antenna and a method and a device for forming beam of the smart antenna. Said beam forming method includes: multipath scanning of receiving signals with discrete beams to obtain multipath delay inf...
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WO/2004/021513A1 |
The invention refers to a method for enhancing the ratio between the main lobe (5) and grating lobes (7) in an antenna array (1) comprising a number of n antenna elements (2). The method comprises the steps of; receiving analog signals o...
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WO/2004/021508A2 |
A directive antenna having plural antenna elements is arranged in a parasitic antenna array. Frequency selective components are connected to a first subset of the antenna elements. Weighting structures are connected to a second subset of...
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WO/2004/015812A1 |
An antenna system (10) for providing network access services to wireless users generates at least a first (62) and a second (64) antenna beam, where the second antenna (64) beam is movable with respect to the first. Additional antenna be...
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WO/2004/013930A2 |
A modular phased array antenna provides a reduction in the error signals that are introduced into beam signals by electromagnetic coupling that is inexpensive and does not cause an increase in weight in power consumption. A modular phase...
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WO/2004/010534A1 |
A multi-beam antenna (100, 128, 132, 136, 144) comprises an electromagnetic lens (102, 102.1), at least one first antenna feed element (104, 14), at least one second antenna feed element (106, 14), and a selective element (112) located b...
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WO/2004/010724A1 |
The invention relates to a telecommunications radio system for mobile communication services. More specifically, the invention relates to covering large sectorized areas for mobile communication services.
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WO2003063299A9 |
An antenna having a tiled architecture with overlapping subarray in two dimensions is disclosed. Each tile has two orthogonal ports and there is no physical interconnection between adjacent tiles. The outputs are coupled to individual re...
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WO/2004/001902A1 |
The invention concerns a device comprising a first radiating element operating in a first frequency band F1, consisting of four dipoles (1, 2, 3, 4) in square arrangement and a second radiating element (23) operating in a second frequenc...
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WO/2003/107474A2 |
An antenna array is disclosed which a plurality of sub-arrays (12A, 12B, 12C) are provided, each including a respective plurality of antenna elements (14) associated therewith. One or more shared antenna elements (16 AB) are shared by so...
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WO/2003/107577A2 |
Methods of scheduling optimization of communications used with Wireless Local Area Netwwork (WLAN) equipment that employs steerable directional antennas (121). The methods may use and are compatible with Media Access Control (MAC) layers...
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WO/2003/107479A1 |
This invention relates to antennas (26, 28, 30 32, 34) comprising an integrated array of antenna elements (36). More particularly, the invention relates to antennas (26, 28, 30 32, 34) in which the array of antenna elements (36) can be r...
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WO/2003/100906A2 |
Systems and techniques are disclosed wherein for generating a beam from an antenna. The antenna includes an antenna feed with a first surface having a feed network and a second surface supporting one or more radiating elements. The anten...
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WO/2003/098738A2 |
There is disclosed a dielectric resonator antenna array comprising three dielectric resonator elements (2) each having a feed (5, 7) for transferring energy into and out of the dielectric resonator element (2), each element (2) being con...
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WO/2003/093756A1 |
The invention relates to a method for the transmission of user data (N), wherein user data is transmission from a first aeroplane (1) to a relay-aeroplane (4) for re-transmitting to another aeroplane (2). The user data is prepared for th...
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WO/2003/090313A1 |
ABSTRACTA transceiver (20) for a millimeter wave signal, consisting of a PCB (140) having PCB microstrip lines (141) and PCB waveguide apertures (159), and one or more transmitter modules (22) and one or more receiver modules (24, 26, 28...
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WO/2003/085776A1 |
A combination of near omni-directional antennas and internal patch antennas, all built into an access point in accordance with FCC requirements. Typically a printed antenna array is used for the near omni-directional antenna, and the int...
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WO/2003/083991A1 |
The present invention relates to dielectric resonator antennas comprising at least two dielectric resonator elements (2, 2) having a half-split or quarter-split configuration and arranged in a back-to-back configuration one on either sid...
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WO/2003/083505A1 |
An efficient digital wideband waveform generation and signal processing system for multi-beam electronically scanned antenna array (ESA) radar systems. The digital waveform generator (50) first produces a series of waveform phase angles ...
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